/* roulang page: index */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            margin-left: auto;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .mega-btn:hover,
        .mega-btn:focus-visible {
            border-color: var(--primary);
            background: var(--bg-light);
            color: var(--primary-dark);
        }

        .mega-btn .arrow {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .mega-trigger-wrap.open .mega-btn .arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 520px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition);
            z-index: 999;
            display: none;
        }

        .mega-trigger-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            display: block;
        }

        .mega-panel h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-light);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 16px;
        }

        .mega-grid a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 12px;
            font-size: 14px;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all var(--transition);
        }

        .mega-grid a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mega-mini-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mega-mini-list li a {
            display: inline-block;
            padding: 6px 10px;
            font-size: 13px;
            color: var(--text-muted);
            border: 1px solid var(--border);
            border-radius: 20px;
            transition: all var(--transition);
        }

        .mega-mini-list li a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-light);
        }

        .hamburger-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-white);
            position: relative;
            cursor: pointer;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            border-color: var(--primary);
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            transition: all var(--transition);
        }

        .hamburger-btn span:nth-child(1) {
            top: 13px;
        }
        .hamburger-btn span:nth-child(2) {
            top: 20px;
        }
        .hamburger-btn span:nth-child(3) {
            top: 27px;
        }

        .hamburger-btn.open span:nth-child(1) {
            top: 20px;
            transform: translateX(-50%) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            top: 20px;
            transform: translateX(-50%) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px 24px;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav a.mobile-nav-item {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-nav a.mobile-nav-item:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mobile-nav a.mobile-nav-item.active {
            color: var(--primary);
            background: var(--bg-light);
            font-weight: 600;
        }

        .mobile-mega-links {
            margin-top: 8px;
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius-sm);
        }

        .mobile-mega-links h4 {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .mobile-mega-links a {
            display: inline-block;
            padding: 4px 10px;
            margin: 3px;
            font-size: 13px;
            color: var(--text-body);
            border: 1px solid var(--border);
            border-radius: 16px;
        }

        /* ===== Sections Common ===== */
        section {
            position: relative;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 36px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-light);
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(30, 78, 121, 0.15);
        }

        .badge-hot {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: 12px;
            letter-spacing: 0.4px;
        }

        .badge-green {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--green-accent);
            border-radius: 12px;
            letter-spacing: 0.4px;
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--header-height);
            background: linear-gradient(135deg, #F5F7FA 0%, #E9EEF4 40%, #DDE6ED 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse, rgba(30, 78, 121, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(ellipse, rgba(217, 119, 36, 0.06), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            letter-spacing: 0.5px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(30, 78, 121, 0.15);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.9;
            max-width: 580px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            letter-spacing: 0.3px;
            min-height: 48px;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            box-shadow: 0 4px 14px rgba(30, 78, 121, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(30, 78, 121, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .btn-outline:hover {
            background: var(--bg-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            min-height: 36px;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
            box-shadow: 0 4px 14px rgba(217, 119, 36, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(217, 119, 36, 0.35);
            transform: translateY(-1px);
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-number {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

        .hero-recommend-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-xl);
            border: 1px solid rgba(30, 78, 121, 0.2);
            position: relative;
            overflow: hidden;
        }

        .hero-recommend-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }

        .hero-recommend-card .rec-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: var(--accent);
            border-radius: 14px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .hero-recommend-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .hero-recommend-card .rec-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .hero-recommend-card .rec-price-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            margin-bottom: 12px;
        }

        .hero-recommend-card .rec-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
        }

        .hero-recommend-card .rec-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .hero-recommend-card .rec-feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
        }

        .hero-recommend-card .rec-feature-list li::before {
            content: '✓';
            color: var(--green-accent);
            font-weight: 700;
        }

        .hero-side-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .hero-side-card {
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px;
            font-size: 13px;
            color: var(--text-body);
            transition: all var(--transition);
        }

        .hero-side-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .hero-side-card strong {
            display: block;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 2px;
        }

        /* ===== Countdown ===== */
        .countdown-section {
            background: var(--primary);
            color: #fff;
            padding: 48px 0;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .countdown-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .countdown-text p {
            font-size: 15px;
            opacity: 0.85;
            line-height: 1.6;
        }

        .countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .countdown-timer .time-block {
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            text-align: center;
            min-width: 72px;
        }

        .countdown-timer .time-block .time-num {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.2;
            display: block;
        }

        .countdown-timer .time-block .time-label {
            font-size: 12px;
            opacity: 0.8;
            letter-spacing: 1px;
        }

        .countdown-timer .time-sep {
            font-size: 24px;
            font-weight: 700;
            opacity: 0.7;
        }

        .progress-list {
            flex: 1;
            min-width: 240px;
        }

        .progress-item {
            margin-bottom: 12px;
        }

        .progress-item .progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            margin-bottom: 4px;
        }

        .progress-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-bar .progress-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--accent);
            transition: width 0.6s ease;
        }

        /* ===== Highlights Wall ===== */
        .highlights-section {
            padding: 72px 0 56px;
            background: var(--bg-white);
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .highlight-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .highlight-card .hl-image {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .highlight-card .hl-image .hl-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .highlight-card .hl-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .highlight-card .hl-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .highlight-card .hl-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
        }

        .highlight-card .hl-meta {
            margin-top: 10px;
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* ===== Tier Comparison ===== */
        .tier-section {
            padding: 72px 0;
            background: var(--bg);
        }

        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 36px;
        }

        .tier-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .tier-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 4px 16px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 16px;
            letter-spacing: 0.5px;
        }

        .tier-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .tier-card .tier-price {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }

        .tier-card .tier-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }

        .tier-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 18px;
        }

        .tier-card ul li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-card ul li::before {
            content: '✓';
            color: var(--green-accent);
            font-weight: 700;
        }

        .tier-card.featured ul li::before {
            color: var(--accent);
        }

        /* ===== News ===== */
        .news-section {
            padding: 72px 0;
            background: var(--bg-white);
        }

        .news-grid-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 20px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            background: var(--bg-white);
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateX(4px);
        }

        .news-item .news-date {
            min-width: 80px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            padding: 10px;
        }

        .news-item .news-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .news-item .news-date .month {
            font-size: 12px;
            color: var(--text-muted);
        }

        .news-item .news-body {
            flex: 1;
        }

        .news-item .news-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item .news-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-body a {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: all var(--transition);
        }

        .news-item .news-body a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-side-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition);
        }

        .news-side-card:hover {
            box-shadow: var(--shadow-sm);
        }

        .news-side-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .news-side-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .news-side-card .side-link {
            display: inline-block;
            margin-top: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }

        /* ===== Deep Content Sections ===== */
        .deep-content-section {
            padding: 72px 0;
            background: var(--bg);
        }

        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }

        .deep-content-block:last-child {
            margin-bottom: 0;
        }

        .deep-content-block.reverse .deep-text {
            order: 2;
        }

        .deep-content-block.reverse .deep-image {
            order: 1;
        }

        .deep-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .deep-text p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .deep-text .deep-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 14px;
        }

        .deep-text .deep-list li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.7;
        }

        .deep-text .deep-list li::before {
            content: '→';
            color: var(--accent);
            font-weight: 700;
        }

        .deep-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }

        .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }

        /* ===== Timeline ===== */
        .timeline-section {
            padding: 72px 0;
            background: var(--bg-white);
        }

        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
            margin-top: 24px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 16px 0;
            position: relative;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 24px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 2px var(--border);
        }

        .timeline-item .tl-time {
            min-width: 80px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .timeline-item .tl-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .timeline-item .tl-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Preview ===== */
        .preview-section {
            padding: 72px 0;
            background: var(--bg);
        }

        .preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 30px;
        }

        .preview-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition);
        }

        .preview-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .preview-card .preview-date {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .preview-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .preview-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Related ===== */
        .related-section {
            padding: 72px 0;
            background: var(--bg-white);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 28px;
        }

        .related-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg-white);
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .related-card .rl-image {
            height: 120px;
            background-size: cover;
            background-position: center;
        }

        .related-card .rl-body {
            padding: 14px 16px 16px;
        }

        .related-card .rl-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .related-card .rl-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-section {
            padding: 72px 0;
            background: var(--bg);
        }

        .brand-intro-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.95;
            margin-bottom: 12px;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0;
            background: var(--bg-white);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 28px;
            max-width: 800px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-item input {
            display: none;
        }

        .faq-item label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: background var(--transition);
            gap: 12px;
        }

        .faq-item label:hover {
            background: var(--bg-light);
        }

        .faq-item label .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .faq-item input:checked+label {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-item input:checked+label .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-item .faq-answer {
            max-height: 0;
            padding: 0 20px;
            background: var(--bg-white);
            transition: all var(--transition);
            overflow: hidden;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }

        .faq-item input:checked~.faq-answer {
            max-height: 300px;
            padding: 16px 20px 20px;
        }

        /* ===== CTA / Contact ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-left h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .cta-left p {
            font-size: 16px;
            opacity: 0.9;
            line-height: 1.9;
        }

        .cta-left .cta-benefits {
            list-style: none;
            margin-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-left .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            opacity: 0.9;
        }

        .cta-left .cta-benefits li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
        }

        .cta-form-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 28px;
            color: var(--text-body);
            box-shadow: var(--shadow-xl);
        }

        .cta-form-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 11px 14px;
            font-size: 15px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all var(--transition);
            color: var(--text-dark);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 78, 121, 0.12);
            background: var(--bg-white);
        }

        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }

        .form-btn-row {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        /* ===== Footer ===== */
        footer.site-footer {
            background: #0F1E2E;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            opacity: 0.7;
            margin-top: 6px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            opacity: 0.75;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }

        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 0;
            }
            .nav-links-desktop a.nav-item {
                padding: 8px 10px;
                font-size: 14px;
            }
            .mega-panel {
                width: 420px;
                right: -40px;
            }
            .hero-inner {
                gap: 28px;
            }
            .hero-title {
                font-size: 32px;
            }
            .highlights-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .nav-links-desktop {
                display: none;
            }
            .mega-trigger-wrap {
                display: none;
            }
            .hamburger-btn {
                display: block;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: block;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-right {
                order: 2;
            }
            .hero-left {
                order: 1;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-number {
                font-size: 18px;
            }

            .countdown-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .countdown-timer {
                flex-wrap: wrap;
            }
            .countdown-timer .time-block {
                padding: 8px 12px;
                min-width: 56px;
            }
            .countdown-timer .time-block .time-num {
                font-size: 22px;
            }

            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .tier-card.featured {
                margin-top: 10px;
            }
            .news-grid-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-date {
                flex-direction: row;
                align-items: center;
                gap: 8px;
                min-width: auto;
                padding: 6px 12px;
            }
            .deep-content-block,
            .deep-content-block.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-block .deep-text,
            .deep-content-block.reverse .deep-text {
                order: 1;
            }
            .deep-content-block .deep-image,
            .deep-content-block.reverse .deep-image {
                order: 2;
            }
            .deep-text h3 {
                font-size: 22px;
            }
            .preview-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .section-title {
                font-size: 24px;
            }
            .section-padding,
            .highlights-section,
            .tier-section,
            .news-section,
            .deep-content-section,
            .timeline-section,
            .preview-section,
            .related-section,
            .brand-intro-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 24px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .countdown-timer .time-block {
                padding: 6px 10px;
                min-width: 48px;
            }
            .tier-card {
                padding: 18px 16px;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline::before {
                left: 6px;
            }
            .timeline-item::before {
                left: -22px;
                width: 10px;
                height: 10px;
                top: 22px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .footer-bottom .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .cta-form-card {
                padding: 20px 18px;
            }
            .form-btn-row {
                flex-direction: column;
            }
        }

        @media (min-width: 769px) {
            .mobile-nav {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 64px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            margin-left: auto;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: background var(--transition), border-color var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .mega-btn:hover,
        .mega-btn:focus {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .mega-btn[aria-expanded="true"] .arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 520px;
            max-width: calc(100vw - 48px);
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 28px 32px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 1001;
        }

        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 18px;
        }

        .mega-grid a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-body);
            transition: background var(--transition), color var(--transition);
        }

        .mega-grid a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mega-mini-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mega-mini-list li a {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
            transition: background var(--transition), color var(--transition);
        }

        .mega-mini-list li a:hover {
            background: var(--primary);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-white);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            transition: border-color var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px 24px;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .mobile-nav-link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-drawer .mobile-nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-drawer .mobile-nav-link:hover {
            color: var(--primary);
        }

        .mobile-drawer .mobile-group-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            margin: 16px 0 8px;
            letter-spacing: 0.5px;
        }

        .mobile-drawer .mobile-mega-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .mobile-drawer .mobile-mega-links a {
            padding: 10px 14px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-body);
        }

        /* ===== Hero Section ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #F0F4F8 0%, #E3EAF2 45%, #D9E4EE 100%);
            padding: 72px 0 56px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46, 91, 138, 0.10), transparent 65%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 119, 36, 0.08), transparent 65%);
            pointer-events: none;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(30, 78, 121, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-light {
            background: var(--bg-light);
        }

        .section-dark {
            background: linear-gradient(135deg, #173B5F 0%, #1E4E79 60%, #2B5F8A 100%);
            color: #fff;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-header .section-sub {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 650px;
            line-height: 1.8;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        /* ===== 会员权益非对称Grid ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .benefits-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .benefits-image-wrap img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .benefits-image-wrap::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent);
            pointer-events: none;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .benefits-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .benefits-image-badge .badge-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .benefits-image-badge .badge-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .benefits-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .benefits-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .benefits-list li:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: var(--border);
        }

        .benefits-list .benefit-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            color: var(--primary);
        }

        .benefits-list .benefit-text h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .benefits-list .benefit-text p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 会员等级横向数据条 ===== */
        .tier-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            transition: background var(--transition), transform var(--transition), border-color var(--transition);
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-4px);
        }

        .tier-card .tier-name {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .tier-card .tier-price {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .tier-card .tier-period {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }

        .tier-card .tier-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .tier-card .tier-features li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            padding-left: 20px;
            position: relative;
        }

        .tier-card .tier-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: 700;
        }

        .tier-card.highlight {
            border-color: var(--accent);
            background: rgba(217, 119, 36, 0.12);
        }

        .tier-card.highlight .tier-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        /* ===== 内容列表卡片流 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .content-list-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            padding: 18px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .content-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }

        .content-list-item .list-image {
            width: 200px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .content-list-item .list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform var(--transition);
        }

        .content-list-item:hover .list-image img {
            transform: scale(1.05);
        }

        .list-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .list-body .list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .list-body .list-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--bg-light);
            padding: 3px 10px;
            border-radius: 20px;
        }

        .list-body .list-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .list-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.45;
            margin: 0;
        }

        .list-body .list-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-body .read-more {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            align-self: flex-start;
            transition: color var(--transition), text-decoration var(--transition);
        }

        .list-body .read-more:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .content-list-divider {
            border: none;
            border-top: 1px solid var(--border-light);
            margin: 8px 0;
        }

        /* ===== 数据服务深色区块 ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-stat {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: background var(--transition), transform var(--transition);
        }

        .data-stat:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .data-stat .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-stat .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .data-stat .stat-accent {
            color: var(--accent);
        }

        /* ===== 流程步骤 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .step-item {
            text-align: center;
            padding: 20px 14px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-item .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            background: var(--bg-light);
            border-color: var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            transition: background var(--transition);
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            flex: 1;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA 联系区 ===== */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .cta-info .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        .cta-info .cta-contact-item .contact-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--primary);
        }

        .cta-form {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px;
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 10px 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-body);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 78, 121, 0.1);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 12px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: background var(--transition), transform var(--transition);
            cursor: pointer;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: linear-gradient(180deg, #0F1E2E 0%, #15293D 100%);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-bottom span,
        .footer-bottom a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 2px;
            }

            .nav-links-desktop a.nav-item {
                padding: 6px 10px;
                font-size: 14px;
            }

            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .benefits-image-wrap img {
                height: 300px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .cta-grid {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .nav-links-desktop {
                display: none;
            }

            .mega-trigger-wrap {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                padding: 48px 0 40px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .section {
                padding: 44px 0;
            }

            .section-header h2 {
                font-size: 23px;
            }

            .benefits-list li {
                padding: 12px 14px;
            }

            .tier-strip {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .content-list-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 14px;
            }

            .content-list-item .list-image {
                width: 100%;
                height: 160px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-stat .stat-number {
                font-size: 28px;
            }

            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-form {
                padding: 20px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 23px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .benefits-image-wrap img {
                height: 220px;
            }

            .tier-card {
                padding: 20px 16px;
            }

            .data-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .steps-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .faq-question {
                padding: 12px 14px;
            }

            .faq-answer {
                padding: 0 14px;
            }

            .mega-panel {
                width: calc(100vw - 32px);
                right: 16px;
                padding: 20px 16px;
            }

            .mega-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            margin-left: auto;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .mega-btn:hover {
            background: var(--bg-light);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            width: 420px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xl);
            padding: 20px 24px;
            margin-top: 10px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
            z-index: 1000;
        }

        .mega-trigger-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-trigger-wrap.open .mega-btn .arrow {
            transform: rotate(180deg);
        }

        .mega-panel h3 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-bottom: 18px;
        }

        .mega-grid a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }

        .mega-grid a:hover {
            background: var(--primary);
            color: #fff;
        }

        .mega-mini-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mega-mini-list a {
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
            background: var(--bg);
            border: 1px solid var(--border-light);
        }

        .mega-mini-list a:hover {
            color: var(--primary);
            border-color: var(--primary-light);
            background: var(--bg-light);
        }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: var(--bg-light);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-body);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: var(--shadow-lg);
            padding: 20px 24px;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a.mobile-nav-item {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-drawer a.mobile-nav-item.active {
            color: var(--primary);
            background: var(--bg-light);
            font-weight: 600;
        }

        .mobile-drawer a.mobile-nav-item:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mobile-drawer .mega-btn {
            margin-top: 12px;
            width: 100%;
            justify-content: center;
        }

        .mobile-drawer .mega-panel {
            position: static;
            width: 100%;
            opacity: 1;
            visibility: visible;
            transform: none;
            box-shadow: none;
            border: 1px solid var(--border-light);
            margin-top: 12px;
            display: none;
        }

        .mobile-drawer .mega-trigger-wrap.open .mega-panel {
            display: block;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            padding: 140px 0 50px;
            background: linear-gradient(135deg, var(--bg-light) 0%, #F8FAFC 40%, #EDF1F6 100%);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(30, 78, 121, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 119, 36, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--text-light);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 850px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-body);
            font-weight: 500;
        }

        .hero-tags .tag.hot {
            background: rgba(217, 119, 36, 0.08);
            border-color: rgba(217, 119, 36, 0.25);
            color: var(--accent-dark);
        }

        /* ===== Quick Stats Bar ===== */
        .quick-stats {
            padding: 28px 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }

        .quick-stats .container {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .stat-chip {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .stat-chip .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-chip .label {
            font-size: 14px;
            color: var(--text-muted);
        }

        .stat-divider {
            width: 1px;
            height: 40px;
            background: var(--border-light);
        }

        /* ===== Main List ===== */
        .match-list-section {
            padding: 50px 0 60px;
            background: var(--bg);
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
        }

        .match-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .match-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            position: relative;
        }

        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: rgba(30, 78, 121, 0.2);
        }

        .match-card .card-img {
            flex: 0 0 320px;
            min-height: 210px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .match-card .card-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .match-card .card-body {
            flex: 1;
            padding: 20px 24px 20px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta .type-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .type-tag.football {
            background: rgba(47, 125, 92, 0.10);
            color: var(--green-accent);
        }

        .type-tag.basketball {
            background: rgba(217, 119, 36, 0.10);
            color: var(--accent-dark);
        }

        .type-tag.tennis {
            background: rgba(30, 78, 121, 0.10);
            color: var(--primary);
        }

        .type-tag.volleyball {
            background: rgba(100, 116, 139, 0.12);
            color: var(--text-muted);
        }

        .match-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .match-card .summary {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: auto;
            padding-top: 8px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 500;
            font-size: 14px;
            transition: color var(--transition), gap var(--transition);
        }

        .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .match-time {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Data Strip ===== */
        .data-strip-section {
            padding: 50px 0;
            background: var(--text-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .data-strip-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(58, 124, 165, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .data-strip-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .data-strip-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .data-strip-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
        }

        .data-strip-numbers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .data-strip-numbers .item {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 20px 14px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .data-strip-numbers .num {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .data-strip-numbers .num span {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
        }

        .data-strip-numbers .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* ===== League Hot Section ===== */
        .league-hot-section {
            padding: 55px 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }

        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .league-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 20px 18px;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(30, 78, 121, 0.18);
        }

        .league-card .league-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .league-icon.football {
            background: rgba(47, 125, 92, 0.12);
        }

        .league-icon.basketball {
            background: rgba(217, 119, 36, 0.12);
        }

        .league-icon.tennis {
            background: rgba(30, 78, 121, 0.10);
        }

        .league-icon.volleyball {
            background: rgba(100, 116, 139, 0.12);
        }

        .league-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .league-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .league-card .count {
            display: inline-block;
            margin-top: 10px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Schedule Preview Section ===== */
        .schedule-section {
            padding: 55px 0;
            background: var(--bg);
        }

        .schedule-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .schedule-block {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .schedule-block h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .schedule-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .schedule-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-body);
        }

        .schedule-list li:last-child {
            border-bottom: none;
        }

        .schedule-list .time {
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            font-size: 13px;
            min-width: 70px;
        }

        .schedule-list .teams {
            flex: 1;
            font-weight: 500;
        }

        .schedule-list .league {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
        }

        /* ===== Faq ===== */
        .faq-section {
            padding: 55px 0;
            background: #fff;
            border-top: 1px solid var(--border-light);
        }

        .faq-list {
            max-width: 850px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(30, 78, 121, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            list-style: none;
            user-select: none;
            transition: background var(--transition), color var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .faq-item summary .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item[open] summary .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-item .faq-answer {
            padding: 0 18px 16px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -60px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 12px;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-body);
            background: var(--bg);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(58, 124, 165, 0.12);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
            margin-bottom: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(30, 78, 121, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--bg-light);
            border-color: var(--primary-dark);
        }

        .btn-full {
            width: 100%;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F1F2E;
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 24px;
            font-size: 14px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 10px;
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .match-card .card-img {
                flex: 0 0 260px;
                min-height: 180px;
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip-section .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }

            .nav-links-desktop {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mega-trigger-wrap {
                display: none;
            }

            .category-hero {
                padding: 100px 0 35px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .match-card {
                flex-direction: column;
                gap: 0;
            }

            .match-card .card-img {
                flex: unset;
                height: 200px;
                min-height: unset;
            }

            .match-card .card-body {
                padding: 18px;
            }

            .match-card h3 {
                font-size: 17px;
            }

            .quick-stats .container {
                gap: 12px;
                justify-content: flex-start;
            }

            .stat-divider {
                display: none;
            }

            .stat-chip .num {
                font-size: 26px;
            }

            .schedule-grid {
                grid-template-columns: 1fr;
            }

            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .cta-form .form-row {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .data-strip-numbers {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .data-strip-numbers .num {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .hero-tags .tag {
                font-size: 12px;
                padding: 4px 10px;
            }

            .league-grid {
                grid-template-columns: 1fr;
            }

            .data-strip-numbers {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 8px;
            }

            .data-strip-numbers .num {
                font-size: 22px;
            }

            .data-strip-numbers .label {
                font-size: 11px;
            }

            .cta-form {
                padding: 20px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .match-card .card-img {
                height: 170px;
            }

            .schedule-list li {
                flex-wrap: wrap;
                gap: 4px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
            height: var(--header-height);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            min-width: 0;
            flex-wrap: nowrap;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 11px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 11px;
            right: 11px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            flex-shrink: 0;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .mega-btn:hover {
            border-color: var(--primary);
            background: var(--bg-light);
        }

        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .mega-btn.open .arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 480px;
            max-width: calc(100vw - 30px);
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 24px 22px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 999;
        }

        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .mega-panel h3:not(:first-child) {
            margin-top: 20px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }

        .mega-grid a {
            padding: 10px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            display: block;
        }

        .mega-grid a:hover {
            border-color: var(--primary);
            background: var(--bg-light);
            color: var(--primary);
        }

        .mega-mini-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mega-mini-list a {
            padding: 5px 12px;
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-light);
            border-radius: 20px;
            transition: all var(--transition);
        }

        .mega-mini-list a:hover {
            background: var(--primary);
            color: #fff;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            flex-shrink: 0;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            height: calc(100vh - var(--header-height));
            background: rgba(15, 23, 42, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .mobile-overlay.open {
            opacity: 1;
            display: block;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            height: calc(100vh - var(--header-height));
            background: var(--bg-white);
            z-index: 999;
            padding: 18px 20px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        }

        .mobile-nav.open {
            transform: translateX(0);
        }

        .mobile-nav a {
            display: block;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--primary);
            background: var(--bg-light);
        }

        /* Responsive nav */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .mega-trigger-wrap {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
        }

        @media (min-width: 1025px) {
            .mobile-overlay,
            .mobile-nav {
                display: none !important;
            }
        }

        /* ===== Category Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, #F5F7FA 0%, #E9EEF4 40%, #E4EAF1 100%);
            padding: 60px 0 46px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(58, 124, 165, 0.12), transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 15%;
            width: 220px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 119, 36, 0.08), transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .hero-breadcrumb a {
            color: var(--primary);
        }

        .hero-breadcrumb span.current {
            color: var(--text-muted);
        }

        .category-hero h1 {
            font-size: 38px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .category-hero .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(30, 78, 121, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 3px 10px rgba(30, 78, 121, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30, 78, 121, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 1px 4px rgba(30, 78, 121, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--bg-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Section shared ===== */
        section {
            padding: 52px 0;
        }

        .section-label {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(30, 78, 121, 0.08);
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        /* ===== Stats Dashboard ===== */
        .stats-dashboard {
            background: var(--bg-white);
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
            margin-bottom: 28px;
        }

        .dashboard-main-chart {
            background: linear-gradient(145deg, #1E4E79 0%, #173B5F 70%);
            border-radius: var(--radius-lg);
            padding: 28px;
            color: #fff;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .dashboard-main-chart::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .dashboard-main-chart h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .dashboard-main-chart .chart-value {
            font-size: 46px;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .dashboard-main-chart .chart-trend {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            z-index: 1;
        }

        .dashboard-side {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .dashboard-stat-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
        }

        .dashboard-stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .stat-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }

        .stat-icon.blue {
            background: rgba(30, 78, 121, 0.1);
        }
        .stat-icon.orange {
            background: rgba(217, 119, 36, 0.12);
        }
        .stat-icon.green {
            background: rgba(47, 125, 92, 0.12);
        }

        .stat-info h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
        }
        .stat-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .dashboard-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .strip-item {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .strip-item:hover {
            border-color: var(--border);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .strip-item .num {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .strip-item .lbl {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Coverage ===== */
        .coverage {
            background: var(--bg);
        }

        .coverage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 16px;
        }

        .coverage-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            transition: all var(--transition);
            text-align: center;
        }

        .coverage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .coverage-card .cov-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            background: var(--bg-light);
        }
        .coverage-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .coverage-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== List Section ===== */
        .stats-list-section {
            background: var(--bg-white);
        }

        .stats-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .stats-list-item {
            display: flex;
            gap: 22px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            border-radius: var(--radius-md);
        }

        .stats-list-item:hover {
            background: var(--bg-light);
            padding-left: 14px;
            padding-right: 14px;
            border-bottom-color: var(--border);
        }

        .list-img {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }

        .list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .stats-list-item:hover .list-img img {
            transform: scale(1.05);
        }

        .list-img .img-badge {
            position: absolute;
            bottom: 8px;
            left: 8px;
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        .list-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .list-meta .tag {
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 11px;
            background: var(--bg-light);
            color: var(--primary);
        }

        .list-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .list-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .list-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .list-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* ===== Methodology ===== */
        .methodology {
            background: var(--bg);
        }

        .method-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 30px;
            align-items: start;
        }

        .method-left {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .method-left .method-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
        }
        .method-left p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .method-left p:last-child {
            margin-bottom: 0;
        }

        .method-steps {
            list-style: none;
            padding: 0;
        }

        .method-steps li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }
        .method-steps li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.3);
        }
        .step-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 3px;
        }
        .step-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Info Strip ===== */
        .info-strip {
            background: var(--primary);
            padding: 32px 0;
        }

        .strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .strip-text {
            flex: 1;
            min-width: 260px;
        }

        .strip-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .strip-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        .strip-badges {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .strip-badge {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            text-align: center;
            min-width: 100px;
        }
        .strip-badge .b-num {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }
        .strip-badge .b-lbl {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Use Cases ===== */
        .use-cases {
            background: var(--bg-white);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .case-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
            background: var(--bg-white);
        }

        .case-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .case-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: all var(--transition);
            width: 100%;
            text-align: left;
        }

        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 20px 16px;
            background: var(--bg-light);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .faq-item.open .faq-question {
            background: var(--bg-light);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-white);
            padding: 60px 0;
        }

        .cta-inner {
            background: linear-gradient(145deg, #1E4E79 0%, #173B5F 60%, #0F172A 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 119, 36, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 3px 10px rgba(217, 119, 36, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 119, 36, 0.45);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        footer.site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            margin-top: 14px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 18px;
            font-size: 13px;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
        }

        .footer-links a {
            color: #94A3B8;
        }
        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .method-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .stats-list-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px 0;
            }
            .stats-list-item:hover {
                padding-left: 0;
                padding-right: 0;
            }
            .list-img {
                width: 100%;
                height: 160px;
            }
            .dashboard-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .strip-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 23px;
            }
            .stat-info h4 {
                font-size: 17px;
            }
            .dashboard-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .mega-panel {
                width: 100%;
                max-width: 100%;
                right: 0;
                left: 0;
                border-radius: 0;
                top: calc(100% + 0px);
                border-left: none;
                border-right: none;
                position: fixed;
                left: 0;
                right: 0;
                margin: 0 auto;
                max-width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            color: var(--text-dark);
            font-weight: 700;
        }

        p {
            margin: 0;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
            flex-wrap: nowrap;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            margin-left: auto;
            flex-shrink: 0;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .mega-btn:hover {
            background: var(--bg-light);
            border-color: var(--primary-light);
        }

        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .mega-btn[aria-expanded="true"] .arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 420px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 20px 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all var(--transition);
            z-index: 100;
        }

        .mega-trigger-wrap:hover .mega-panel,
        .mega-trigger-wrap:focus-within .mega-panel,
        .mega-btn[aria-expanded="true"]+.mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel h3 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-bottom: 16px;
        }

        .mega-grid a {
            padding: 8px 12px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .mega-grid a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mega-mini-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .mega-mini-list li a {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 999px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .mega-mini-list li a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-light);
        }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            margin-left: 4px;
            background: none;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a.nav-item {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .mobile-nav a.nav-item:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mobile-nav a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--bg-light);
        }

        /* Main */
        main {
            padding-top: var(--header-height);
        }

        /* Page Banner */
        .page-banner {
            background: linear-gradient(135deg, #1E4E79 0%, #2B5F8A 45%, #3A7CA5 100%);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(217, 119, 36, 0.15);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            color: #fff;
            font-size: 38px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .page-banner .banner-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            max-width: 680px;
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span {
            opacity: 0.7;
        }

        /* Section common */
        .section {
            padding: 56px 0;
        }

        .section-light {
            background: var(--bg-white);
        }

        .section-gray {
            background: var(--bg);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        /* Topic Filter Pills */
        .topic-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }

        .topic-filter .filter-pill {
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: all var(--transition);
            cursor: pointer;
        }

        .topic-filter .filter-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-light);
        }

        .topic-filter .filter-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Topic Cards */
        .topic-card-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .topic-card {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 24px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d0d9e2;
        }

        .topic-card .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/10;
            background: var(--bg-light);
        }

        .topic-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .topic-card:hover .card-img img {
            transform: scale(1.04);
        }

        .topic-card .card-body {
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }

        .topic-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-light);
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
            width: fit-content;
        }

        .topic-card .card-tag.tag-hot {
            color: var(--accent-dark);
            background: #FFF4EB;
        }

        .topic-card .card-tag.tag-data {
            color: var(--green-accent);
            background: #EDF7F2;
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .topic-card .card-excerpt {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        .topic-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card .read-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
            margin-top: 8px;
            align-self: flex-start;
        }

        .topic-card .read-more-btn::after {
            content: '→';
            transition: transform var(--transition);
        }

        .topic-card .read-more-btn:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .topic-card .read-more-btn:hover::after {
            transform: translateX(4px);
        }

        /* Data Strip */
        .data-strip {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 36px 0;
        }

        .data-strip .data-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .data-strip .data-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .data-strip .data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Featured Deep Dive */
        .deep-dive {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            margin-bottom: 32px;
        }

        .deep-dive .deep-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .deep-dive .deep-text p {
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .deep-dive .deep-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .deep-dive .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Editorial Picks */
        .editorial-picks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .editorial-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .editorial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .editorial-card .ed-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-light);
        }

        .editorial-card .ed-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .editorial-card:hover .ed-img img {
            transform: scale(1.05);
        }

        .editorial-card .ed-body {
            padding: 18px 20px 20px;
        }

        .editorial-card .ed-body h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text-dark);
        }

        .editorial-card .ed-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #d0d9e2;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-dark);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.active .faq-question {
            background: var(--bg-light);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: 15%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(217, 119, 36, 0.2);
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 28px;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(217, 119, 36, 0.3);
        }

        /* Footer */
        footer.site-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 48px 0 24px;
            font-size: 14px;
            line-height: 1.7;
        }

        footer.site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        footer.site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        footer.site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        footer.site-footer .footer-col ul li a {
            color: #94A3B8;
            font-size: 13px;
            transition: color var(--transition);
        }

        footer.site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        footer.site-footer .footer-brand p {
            font-size: 13px;
            color: #94A3B8;
            margin-top: 10px;
            max-width: 320px;
            line-height: 1.7;
        }

        footer.site-footer .footer-bottom {
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #64748B;
        }

        footer.site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        footer.site-footer .footer-bottom .footer-links span {
            color: #64748B;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links-desktop a.nav-item {
                padding: 8px 10px;
                font-size: 13px;
            }

            .topic-card {
                grid-template-columns: 240px 1fr;
                gap: 16px;
            }

            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .deep-dive {
                gap: 24px;
                padding: 24px;
            }

            .editorial-picks {
                grid-template-columns: repeat(2, 1fr);
            }

            footer.site-footer .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }

            .mega-trigger-wrap {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .page-banner {
                padding: 36px 0 32px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .page-banner .banner-sub {
                font-size: 15px;
            }

            .section {
                padding: 36px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .topic-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 14px;
            }

            .topic-card .card-img {
                aspect-ratio: 16/9;
            }

            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 18px;
            }

            .data-strip .data-num {
                font-size: 22px;
            }

            .deep-dive {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 16px;
            }

            .editorial-picks {
                grid-template-columns: 1fr;
            }

            footer.site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            footer.site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .cta-section h2 {
                font-size: 22px;
            }

            .topic-filter {
                gap: 6px;
            }

            .topic-filter .filter-pill {
                font-size: 12px;
                padding: 5px 12px;
            }

            .mega-panel {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .page-banner h1 {
                font-size: 24px;
            }

            .data-strip {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .topic-card .card-body h3 {
                font-size: 16px;
            }

            .topic-card .card-excerpt {
                font-size: 13px;
                -webkit-line-clamp: 2;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .cta-section {
                padding: 40px 0;
            }

            .cta-section h2 {
                font-size: 20px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            color: var(--text-dark);
        }
        p {
            margin: 0;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }
        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }
        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }
        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }
        .nav-links-desktop a.nav-item {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .mega-trigger-wrap {
            position: relative;
            flex-shrink: 0;
        }
        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .mega-btn:hover {
            background: var(--bg-light);
            border-color: var(--primary);
        }
        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }
        .mega-trigger-wrap.open .mega-btn .arrow {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 480px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all var(--transition);
            z-index: 100;
        }
        .mega-trigger-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-panel h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .mega-panel h3:not(:first-child) {
            margin-top: 20px;
        }
        .mega-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
        }
        .mega-grid a {
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background: var(--bg);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .mega-grid a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .mega-mini-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .mega-mini-list li a {
            display: inline-block;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: 20px;
            transition: all var(--transition);
        }
        .mega-mini-list li a:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-body);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 1024px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mega-trigger-wrap {
                margin-left: 0;
            }
            .nav-inner {
                justify-content: flex-start;
                gap: 16px;
            }
            .nav-inner .logo-brand {
                margin-right: auto;
            }
            .mega-panel {
                width: 320px;
                right: auto;
                left: 0;
            }
            .mobile-nav-drawer {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px 24px;
                z-index: 99;
                flex-direction: column;
                gap: 4px;
            }
            .mobile-nav-drawer.open {
                display: flex;
            }
            .mobile-nav-drawer a {
                padding: 12px 16px;
                font-size: 16px;
                font-weight: 500;
                color: var(--text-body);
                border-radius: var(--radius-sm);
                transition: all var(--transition);
            }
            .mobile-nav-drawer a:hover {
                background: var(--bg-light);
                color: var(--primary);
            }
            .mobile-nav-drawer a.active {
                color: var(--primary);
                font-weight: 600;
                background: var(--bg-light);
            }
        }
        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(30, 78, 121, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(30, 78, 121, 0.45);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(217, 119, 36, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
        }
        /* ===== Tags & Badges ===== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 20px;
            background: var(--bg-light);
            color: var(--primary);
            letter-spacing: 0.3px;
        }
        .tag-accent {
            background: rgba(217, 119, 36, 0.12);
            color: var(--accent-dark);
        }
        .tag-green {
            background: rgba(47, 125, 92, 0.12);
            color: var(--green-accent);
        }
        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        /* ===== Hero (Category Page) ===== */
        .category-hero {
            position: relative;
            padding: calc(var(--header-height) + 60px) 0 60px;
            background: linear-gradient(160deg, #0F172A 0%, #1E4E79 55%, #2B5F8A 100%);
            overflow: hidden;
            color: #fff;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 120%;
            background: radial-gradient(circle at 30% 40%, rgba(58, 124, 165, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 40%;
            height: 70%;
            background: radial-gradient(circle at 50% 50%, rgba(217, 119, 36, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .category-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 600px;
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .category-hero .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .category-hero .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .hero-stats-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .hero-stats-panel h3 {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .hero-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stat-row:last-child {
            border-bottom: none;
        }
        .hero-stat-row .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-stat-row .stat-value {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .hero-stat-row .stat-value.highlight {
            color: #F59E0B;
        }
        /* ===== Section Styles ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-header .tag {
            margin-bottom: 12px;
        }
        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: grid;
            grid-template-columns: 280px 1fr;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .news-item .news-img {
            position: relative;
            min-height: 200px;
            overflow: hidden;
        }
        .news-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-item:hover .news-img img {
            transform: scale(1.05);
        }
        .news-item .news-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-item .news-title {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .news-item .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .news-item .read-more-btn {
            align-self: flex-start;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            position: relative;
            padding-bottom: 2px;
            transition: all var(--transition);
        }
        .news-item .read-more-btn::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .news-item .read-more-btn:hover::after {
            width: 100%;
        }
        /* ===== Industry Insights Grid ===== */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .insight-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .insight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .insight-card .insight-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .insight-card .insight-icon.blue {
            background: rgba(30, 78, 121, 0.1);
        }
        .insight-card .insight-icon.orange {
            background: rgba(217, 119, 36, 0.1);
        }
        .insight-card .insight-icon.green {
            background: rgba(47, 125, 92, 0.1);
        }
        .insight-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .insight-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .insight-card .insight-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
        }
        /* ===== Data Highlight ===== */
        .data-highlight {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }
        .data-visual {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }
        .data-visual h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-dark);
        }
        .data-bar-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .data-bar-row .bar-label {
            font-size: 13px;
            color: var(--text-muted);
            width: 70px;
            flex-shrink: 0;
            text-align: right;
        }
        .data-bar-row .bar-track {
            flex: 1;
            height: 10px;
            background: var(--bg-light);
            border-radius: 5px;
            overflow: hidden;
        }
        .data-bar-row .bar-fill {
            height: 100%;
            border-radius: 5px;
            background: var(--primary);
            transition: width 0.6s ease;
        }
        .data-bar-row .bar-fill.orange {
            background: var(--accent);
        }
        .data-bar-row .bar-fill.green {
            background: var(--green-accent);
        }
        .data-bar-row .bar-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            width: 50px;
            flex-shrink: 0;
        }
        .data-description {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .data-description h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
        }
        .data-description p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 2px var(--border);
        }
        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* ===== Industry Partners ===== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .partner-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .partner-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .partner-card .partner-icon {
            font-size: 32px;
            margin-bottom: 10px;
        }
        .partner-card h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .partner-card p {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            background: var(--bg-light);
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: all var(--transition);
            gap: 12px;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(140deg, #1E4E79 0%, #173B5F 60%, #0F172A 100%);
            padding: 72px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle at 40% 50%, rgba(58, 124, 165, 0.3) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-text .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 5px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-body);
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            box-sizing: border-box;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 78, 121, 0.15);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        /* ===== Footer ===== */
        footer.site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.45);
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .news-item {
                grid-template-columns: 1fr;
            }
            .news-item .news-img {
                min-height: 180px;
            }
            .data-highlight {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .insights-grid {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .category-hero {
                padding: calc(var(--header-height) + 40px) 0 40px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .hero-stats-panel {
                padding: 20px;
            }
            .news-item .news-body {
                padding: 18px 20px;
            }
            .news-item .news-title {
                font-size: 16px;
            }
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-form {
                padding: 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 21px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .nav-inner {
                gap: 10px;
            }
            .logo-brand {
                font-size: 18px;
            }
            .logo-brand .logo-icon {
                width: 30px;
                height: 30px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1E4E79;
            --primary-dark: #173B5F;
            --primary-light: #2B5F8A;
            --accent: #D97724;
            --accent-dark: #B85E1A;
            --green-accent: #2F7D5C;
            --bg: #F5F7FA;
            --bg-light: #E9EEF4;
            --bg-white: #FFFFFF;
            --text-dark: #0F172A;
            --text-body: #1F2937;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E3E8EE;
            --border-light: #EEF2F6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 22px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1240px;
            --header-height: 64px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.7;
            outline: none;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        header.site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }

        header.site-header.scrolled {
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A7CA5, var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(30, 78, 121, 0.25);
        }

        .logo-brand .logo-icon::after {
            content: '';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            opacity: 0.9;
            position: absolute;
        }

        .logo-brand .logo-icon span {
            position: relative;
            z-index: 1;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            min-width: 0;
        }

        .nav-links-desktop a.nav-item {
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links-desktop a.nav-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }

        .nav-links-desktop a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links-desktop a.nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mega-trigger-wrap {
            position: relative;
            margin-left: auto;
            flex-shrink: 0;
        }

        .mega-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .mega-btn:hover {
            background: var(--bg-light);
            border-color: var(--primary-light);
        }

        .mega-btn .arrow {
            font-size: 10px;
            transition: transform var(--transition);
        }

        .mega-btn[aria-expanded="true"] .arrow {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 460px;
            max-width: 90vw;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--border);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all var(--transition);
            z-index: 1001;
        }

        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-panel h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-bottom: 16px;
        }

        .mega-grid a {
            padding: 10px 12px;
            font-size: 13px;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: background var(--transition), color var(--transition);
        }

        .mega-grid a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mega-mini-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mega-mini-list a {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: 20px;
            transition: all var(--transition);
        }

        .mega-mini-list a:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-body);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a.nav-item {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }

        .mobile-menu a.nav-item:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        .mobile-menu a.nav-item.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--bg-light);
        }

        /* ===== Page Hero (Inner Page) ===== */
        .page-hero {
            position: relative;
            padding: calc(var(--header-height) + 60px) 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 119, 36, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero-badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 56px 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        /* ===== Steps Flow ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
            counter-increment: step-counter;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-card::before {
            content: counter(step-counter, decimal-leading-zero);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            margin: 0 auto 12px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Content List (Main) ===== */
        .content-list-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .content-list-item {
            display: grid;
            grid-template-columns: 280px 1fr auto;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: start;
            transition: background var(--transition);
        }

        .content-list-item:last-child {
            border-bottom: none;
        }

        .content-list-item:hover {
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            padding-left: 12px;
            padding-right: 12px;
            margin-left: -12px;
            margin-right: -12px;
        }

        .content-list-item .item-img {
            width: 280px;
            aspect-ratio: 16 / 10;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-light);
        }

        .content-list-item .item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .content-list-item:hover .item-img img {
            transform: scale(1.03);
        }

        .content-list-item .item-body {
            flex: 1;
            min-width: 0;
        }

        .content-list-item .item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .item-tag {
            display: inline-block;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--bg-light);
            border-radius: 4px;
            white-space: nowrap;
        }

        .item-tag.hot {
            color: var(--accent);
            background: rgba(217, 119, 36, 0.1);
        }

        .item-tag.new {
            color: var(--green-accent);
            background: rgba(47, 125, 92, 0.1);
        }

        .item-date {
            font-size: 12px;
            color: var(--text-light);
        }

        .content-list-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .content-list-item h3 a {
            color: inherit;
        }

        .content-list-item h3 a:hover {
            color: var(--primary);
        }

        .content-list-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition), gap var(--transition);
        }

        .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Info Strip ===== */
        .info-strip {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }

        .info-strip-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .info-strip-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .info-strip h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 2px;
        }

        .info-strip p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .info-strip .strip-btn {
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: #fff;
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .info-strip .strip-btn:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
        }

        /* ===== Eligibility Grid ===== */
        .eligibility-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .eligibility-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .eligibility-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .eligibility-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .eligibility-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .eligibility-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .eligibility-card ul {
            list-style: none;
            margin-top: 10px;
        }

        .eligibility-card ul li {
            font-size: 13px;
            color: var(--text-body);
            padding-left: 18px;
            position: relative;
            margin-bottom: 5px;
        }

        .eligibility-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--green-accent);
            font-weight: 700;
            font-size: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            background: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .faq-question.open .faq-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-xl);
            color: #fff;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius-sm);
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .cta-form h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 12px;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 11px 14px;
            font-size: 14px;
            color: var(--text-body);
            background: #fff;
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(217, 119, 36, 0.25);
        }

        .cta-form textarea {
            min-height: 80px;
            resize: vertical;
            margin-bottom: 12px;
        }

        .cta-form .form-submit {
            width: 100%;
            padding: 12px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .cta-form .form-submit:hover {
            background: var(--accent-dark);
        }

        /* ===== Footer ===== */
        footer.site-footer {
            background: #0F1F30;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            max-width: 300px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            z-index: 900;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-links-desktop {
                gap: 0;
            }
            .nav-links-desktop a.nav-item {
                padding: 8px 10px;
                font-size: 13px;
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .eligibility-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mega-trigger-wrap {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .page-hero {
                padding: calc(var(--header-height) + 40px) 0 40px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .content-list-item {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 20px 0;
            }
            .content-list-item .item-img {
                width: 100%;
                aspect-ratio: 16 / 9;
            }
            .eligibility-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .info-strip {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .cta-form .form-row {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-brand {
                font-size: 18px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                text-align: center;
                width: 100%;
            }
        }