/* roulang page: index */
:root {
            --primary: #0A5C64;
            --primary-light: #1B8A9E;
            --primary-dark: #07555c;
            --accent: #FF6B4A;
            --accent-hover: #e55a3d;
            --dark: #0D1B2A;
            --dark-card: #132238;
            --bg: #F7F5F1;
            --card: #FFFFFF;
            --card-alt: #F0F7F7;
            --text: #33475B;
            --text-light: #6B7A8D;
            --text-dark: #1A2B3C;
            --border: rgba(10, 92, 100, 0.12);
            --border-strong: rgba(10, 92, 100, 0.2);
            --success: #2E9E6B;
            --warning: #F5B940;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
            --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
            --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
            --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --section-pad: 64px 0;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .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 ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 18px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        }

        .brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .brand-text span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid #d8dee4;
            border-radius: 30px;
            padding: 8px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
            background: #fff;
        }

        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 0;
        }

        .header-search input::placeholder {
            color: #9aa8b6;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
        }

        .btn-subscribe-header {
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
        }

        .btn-subscribe-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
            color: #fff;
        }

        /* Icon Grid Nav */
        .nav-bar {
            border-top: 1px solid var(--border);
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .nav-grid {
            display: flex;
            align-items: center;
            gap: 6px;
            min-width: fit-content;
            padding: 6px 0;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 12px;
            color: var(--text);
            font-size: 0.82rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            text-decoration: none;
        }

        .nav-item i {
            font-size: 1.15rem;
            color: var(--primary);
            transition: color var(--transition);
        }

        .nav-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 3px 3px 0 0;
            transition: width var(--transition);
        }

        .nav-item:hover,
        .nav-item.active {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.05);
        }

        .nav-item:hover::after,
        .nav-item.active::after {
            width: 65%;
        }

        .nav-item:hover i,
        .nav-item.active i {
            color: var(--primary-light);
        }

        /* Mobile Menu Toggle */
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }

        /* ===== Hero / S1 ===== */
        .hero-section {
            background: linear-gradient(135deg, #0A3A42 0%, var(--dark) 55%, #0D2B35 100%);
            background-image: radial-gradient(circle at 15% 20%, rgba(27, 138, 158, 0.25) 0%, transparent 50%),
                radial-gradient(circle at 85% 80%, rgba(255, 107, 74, 0.12) 0%, transparent 45%),
                radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.02) 0%, transparent 70%);
            padding: 70px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0.015) 2px, transparent 2px, transparent 28px);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 74, 0.15);
            border: 1px solid rgba(255, 107, 74, 0.35);
            color: #ffb9a8;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-title .grad-text {
            background: linear-gradient(135deg, #4db8c7, #7fd4e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: #b8c9d8;
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-hero {
            padding: 14px 32px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-hero:hover {
            transform: translate(-1px, -1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.28);
            color: #fff;
        }

        .btn-secondary-hero {
            padding: 13px 26px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #e0edf2;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-hero:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

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

        .hero-data-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }

        .hero-data-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .hero-data-number {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #e8f6f8, #8fd0da);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            display: block;
        }

        .hero-data-label {
            font-size: 0.8rem;
            color: #9fb4c5;
            margin-top: 6px;
            display: block;
        }

        .hero-data-trend {
            font-size: 0.75rem;
            color: var(--success);
            font-weight: 600;
            margin-top: 4px;
            display: inline-block;
        }

        .hero-data-trend.warning {
            color: var(--warning);
        }

        /* ===== Section Common ===== */
        section {
            padding: var(--section-pad);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
        }

        /* ===== S2: Service Matrix ===== */
        .service-section {
            background: var(--card);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            background: #fff;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(10, 92, 100, 0.2);
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== S3: Featured Events ===== */
        .feature-section {
            background: var(--bg);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .feature-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .feature-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-card:hover .feature-img img {
            transform: scale(1.04);
        }

        .feature-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .feature-body {
            padding: 20px 22px;
        }

        .feature-body h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .feature-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .feature-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: #8a9aa8;
        }

        .feature-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== S4: Comparison ===== */
        .compare-section {
            background: var(--dark);
            color: #d0dde6;
            padding: 70px 0;
        }

        .compare-section .section-title {
            color: #fff;
        }

        .compare-section .section-desc {
            color: #9fb4c5;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 26px;
            margin-top: 20px;
        }

        .compare-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            transition: all var(--transition);
        }

        .compare-card.highlight {
            background: rgba(10, 92, 100, 0.25);
            border-color: rgba(27, 138, 158, 0.4);
        }

        .compare-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card h3 .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .compare-card.highlight h3 .badge-dot {
            background: var(--success);
        }

        .compare-list {
            list-style: none;
            padding: 0;
        }

        .compare-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            font-size: 0.92rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

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

        .compare-list li i {
            color: var(--success);
            font-size: 0.8rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .compare-list li i.fa-minus {
            color: #8a9aa8;
        }

        .compare-list li i.fa-arrow-up {
            color: var(--accent);
        }

        /* ===== S5: Calendar ===== */
        .calendar-section {
            background: #fff;
        }

        .calendar-strip {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            -webkit-overflow-scrolling: touch;
        }

        .calendar-day {
            min-width: 150px;
            background: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            text-align: center;
            flex-shrink: 0;
            transition: all var(--transition);
        }

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

        .calendar-day .day-name {
            font-size: 0.75rem;
            color: var(--text-light);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .calendar-day .day-date {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin: 6px 0;
        }

        .calendar-day .day-events {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .calendar-day .day-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            margin-top: 8px;
        }

        .calendar-day .day-dot.green {
            background: var(--success);
        }

        /* ===== S6: Milestones ===== */
        .milestone-section {
            background: var(--bg);
        }

        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), rgba(10, 92, 100, 0.2));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 30px;
            padding-left: 16px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px var(--primary);
            z-index: 2;
        }

        .timeline-item .time {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: block;
            margin-bottom: 4px;
        }

        .timeline-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== S7: News List ===== */
        .news-section {
            background: #fff;
        }

        .news-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px;
            background: var(--card-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .news-item:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item-img {
            width: 90px;
            height: 70px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 5px;
            line-height: 1.45;
        }

        .news-item-content p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-meta {
            font-size: 0.72rem;
            color: #98a8b8;
            margin-top: 6px;
        }

        /* ===== S8: Team Data ===== */
        .team-section {
            background: var(--dark);
            padding: 70px 0;
        }

        .team-section .section-title {
            color: #fff;
        }

        .team-section .section-desc {
            color: #9fb4c5;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 20px;
        }

        .team-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .team-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .team-card .team-name {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .team-card .team-stat {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #7fd4e0, #e0f2f5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 6px 0;
        }

        .team-card .team-label {
            font-size: 0.75rem;
            color: #8fa8ba;
        }

        /* ===== S9: Trust / Guarantee ===== */
        .trust-section {
            background: var(--bg);
        }

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

        .trust-item {
            text-align: center;
            padding: 26px 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .trust-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.2);
        }

        .trust-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .trust-item p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== S10: Quick Answers ===== */
        .qa-section {
            background: #fff;
        }

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

        .qa-item {
            background: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
        }

        .qa-item:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
        }

        .qa-item .qa-q {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.95rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qa-item .qa-q i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .qa-item .qa-a {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== S11: Brand Story ===== */
        .brand-story-section {
            background: linear-gradient(135deg, #0A4B55 0%, var(--dark) 60%, #0A3038 100%);
            padding: 70px 0;
            color: #d0dde6;
        }

        .brand-story-section .section-title {
            color: #fff;
        }

        .brand-story-section .section-desc {
            color: #b8c9d8;
        }

        .brand-story-text {
            max-width: 860px;
            font-size: 0.98rem;
            line-height: 2;
            color: #c4d3de;
            background: rgba(255, 255, 255, 0.04);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 28px 32px;
        }

        .brand-story-text p + p {
            margin-top: 16px;
        }

        /* ===== S12: FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-container {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-item summary {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.98rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }

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

        .faq-item summary .faq-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-item summary .faq-icon {
            color: var(--primary);
            font-size: 0.9rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== S13: CTA Form ===== */
        .cta-section {
            background: #fff;
        }

        .cta-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .cta-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .cta-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 22px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            text-align: left;
        }

        .cta-form label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .cta-form input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e0;
            border-radius: 10px;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: all var(--transition);
            background: #fff;
        }

        .cta-form input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 14px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .cta-form .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.28);
        }

        .cta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 18px;
        }

        .cta-badge {
            background: rgba(10, 92, 100, 0.08);
            border: 1px solid rgba(10, 92, 100, 0.15);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #b8c9d8;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-text-footer {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-text-footer span {
            background: linear-gradient(135deg, #4db8c7, #7fd4e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #8fa8ba;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: #8fa8ba;
            font-size: 0.85rem;
            transition: color var(--transition);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: #4db8c7;
        }

        .footer-col .footer-contact {
            font-size: 0.85rem;
            color: #8fa8ba;
            line-height: 1.7;
        }

        .footer-col .footer-contact i {
            margin-right: 8px;
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 0 22px;
            font-size: 0.78rem;
            color: #6f8294;
        }

        .footer-bottom a {
            color: #8fa8ba;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #4db8c7;
        }

        .footer-bottom .footer-separator {
            margin: 0 8px;
            color: #4a5a68;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

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

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

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

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

        @media (max-width: 767px) {
            .section-pad {
                padding: 48px 0;
            }

            section {
                padding: 48px 0;
            }

            .hero-section {
                padding: 48px 0 56px;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

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

            .hero-data-card {
                padding: 14px;
            }

            .hero-data-number {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .service-grid,
            .feature-grid,
            .team-grid,
            .trust-grid,
            .news-list,
            .qa-stream,
            .compare-grid {
                grid-template-columns: 1fr;
            }

            .header-top {
                flex-wrap: wrap;
                gap: 12px;
            }

            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-bar {
                display: none;
            }

            .nav-bar.open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-top: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 12px 16px;
                z-index: 999;
            }

            .nav-grid {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                min-width: auto;
            }

            .nav-item {
                padding: 12px 14px;
                border-radius: 10px;
            }

            .nav-item::after {
                display: none;
            }

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

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

            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .cta-card {
                padding: 26px 18px;
            }

            .brand-story-text {
                padding: 18px 20px;
                font-size: 0.9rem;
            }

            .timeline {
                padding-left: 22px;
            }

            .calendar-day {
                min-width: 120px;
                padding: 14px 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-data-grid {
                grid-template-columns: 1fr;
            }

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

            .hero-title {
                font-size: 1.55rem;
            }

            .header-actions .btn-login,
            .header-actions .btn-subscribe-header {
                padding: 7px 12px;
                font-size: 0.8rem;
            }

            .header-actions {
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #0A5C64;
        --primary-light: #1B8A9E;
        --primary-dark: #07555c;
        --accent: #FF6B4A;
        --accent-hover: #e55a3d;
        --dark: #0D1B2A;
        --dark-card: #132238;
        --bg: #F7F5F1;
        --card: #FFFFFF;
        --card-alt: #F0F7F7;
        --text: #33475B;
        --text-light: #6B7A8D;
        --text-dark: #1A2B3C;
        --border: rgba(10, 92, 100, 0.12);
        --border-strong: rgba(10, 92, 100, 0.2);
        --success: #2E9E6B;
        --warning: #F5B940;
        --radius-sm: 10px;
        --radius-md: 14px;
        --radius-lg: 18px;
        --radius-xl: 22px;
        --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
        --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
        --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
        --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
        --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        --container: 1200px;
        --section-pad: 64px 0;
        --transition: 0.2s ease;
    }
    
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    
    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
    }
    
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition);
    }
    
    a:hover {
        color: var(--primary-light);
    }
    
    button,
    input,
    select {
        font-family: inherit;
        font-size: inherit;
        outline: none;
    }
    
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    
    h1,
    h2,
    h3,
    h4 {
        margin: 0;
        line-height: 1.35;
        color: var(--text-dark);
    }
    
    p {
        margin: 0;
    }
    
    ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    
    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 20px;
    }
    
    /* ===== Header ===== */
    .site-header {
        background: #fff;
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
    }
    
    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        gap: 18px;
        flex-wrap: wrap;
    }
    
    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        text-decoration: none;
    }
    
    .brand-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.3rem;
        box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        flex-shrink: 0;
    }
    
    .brand-text {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--dark);
        letter-spacing: 0.5px;
        line-height: 1.2;
    }
    
    .brand-text span {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .header-search {
        flex: 1;
        max-width: 360px;
        display: flex;
        align-items: center;
        gap: 8px;
        background: var(--bg);
        border: 1px solid #d8dee4;
        border-radius: 30px;
        padding: 8px 16px;
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    
    .header-search:focus-within {
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
        background: #fff;
    }
    
    .header-search i {
        color: var(--text-light);
        font-size: 0.9rem;
    }
    
    .header-search input {
        flex: 1;
        border: none;
        background: transparent;
        font-size: 0.9rem;
        color: var(--text-dark);
        padding: 0;
    }
    
    .header-search input::placeholder {
        color: #9aa8b6;
    }
    
    .header-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    
    .btn-login {
        padding: 8px 18px;
        border-radius: 10px;
        border: 1px solid var(--border-strong);
        color: var(--primary);
        font-weight: 600;
        font-size: 0.9rem;
        transition: all var(--transition);
        white-space: nowrap;
        background: #fff;
    }
    
    .btn-login:hover {
        background: rgba(10, 92, 100, 0.06);
        border-color: var(--primary);
    }
    
    .btn-subscribe-header {
        padding: 8px 18px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        white-space: nowrap;
        transition: all var(--transition);
        box-shadow: var(--shadow-btn);
    }
    
    .btn-subscribe-header:hover {
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
        color: #fff;
    }
    
    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        border: 1px solid var(--border-strong);
        color: var(--primary);
        font-size: 1.1rem;
        align-items: center;
        justify-content: center;
        background: #fff;
        transition: all var(--transition);
    }
    
    .nav-toggle:hover {
        background: rgba(10, 92, 100, 0.06);
    }
    
    .nav-bar {
        border-top: 1px solid var(--border);
        padding: 8px 0;
    }
    
    .nav-grid {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-item {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 18px;
        border-radius: 12px;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text);
        whitespace: nowrap;
        transition: all var(--transition);
        position: relative;
        flex-shrink: 0;
    }
    
    .nav-item i {
        font-size: 1.1rem;
        color: var(--text-light);
        transition: color var(--transition);
    }
    
    .nav-item:hover {
        color: var(--primary);
        background: rgba(10, 92, 100, 0.06);
    }
    
    .nav-item:hover i {
        color: var(--primary);
    }
    
    .nav-item.active {
        color: var(--primary);
        background: rgba(10, 92, 100, 0.08);
    }
    
    .nav-item.active i {
        color: var(--primary);
    }
    
    .nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 28px;
        height: 3px;
        border-radius: 2px;
        background: linear-gradient(90deg, var(--primary), var(--primary-light));
    }
    
    /* ===== Page Head ===== */
    .page-head {
        padding: 48px 0 32px;
        background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
        border-bottom: 1px solid var(--border);
    }
    
    .page-head-inner {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
    }
    
    .page-head-text {
        flex: 1;
        min-width: 280px;
        max-width: 560px;
    }
    
    .page-title {
        font-size: 2.2rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 12px;
    }
    
    .page-title span {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .page-subtitle {
        font-size: 1rem;
        color: var(--text-light);
        line-height: 1.8;
        max-width: 520px;
    }
    
    .page-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        align-items: center;
    }
    
    .data-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 16px;
        border-radius: 30px;
        background: rgba(10, 92, 100, 0.08);
        border: 1px solid rgba(10, 92, 100, 0.16);
        color: var(--primary);
        font-size: 0.85rem;
        font-weight: 600;
        white-space: nowrap;
        min-height: 32px;
    }
    
    .data-badge i {
        font-size: 0.9rem;
        color: var(--primary-light);
    }
    
    .data-badge.accent {
        background: rgba(255, 107, 74, 0.1);
        border-color: rgba(255, 107, 74, 0.22);
        color: var(--accent);
    }
    
    .data-badge.accent i {
        color: var(--accent);
    }
    
    /* ===== Filter Bar ===== */
    .filter-section {
        padding: 24px 0 16px;
    }
    
    .filter-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        background: #fff;
        border-radius: var(--radius-md);
        padding: 14px 18px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    
    .filter-chips {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .filter-chip {
        padding: 7px 16px;
        border-radius: 24px;
        border: 1px solid var(--border-strong);
        background: #fff;
        color: var(--text);
        font-size: 0.85rem;
        font-weight: 600;
        transition: all var(--transition);
        whitespace: nowrap;
    }
    
    .filter-chip:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(10, 92, 100, 0.04);
    }
    
    .filter-chip.active {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff;
        border-color: transparent;
        box-shadow: 0 3px 10px rgba(10, 92, 100, 0.2);
    }
    
    .sort-control {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-light);
        font-size: 0.85rem;
    }
    
    .sort-control select {
        padding: 8px 12px;
        border-radius: 10px;
        border: 1px solid var(--border-strong);
        background: #fff;
        color: var(--text-dark);
        font-size: 0.85rem;
        font-weight: 500;
        cursor: pointer;
        transition: border-color var(--transition);
    }
    
    .sort-control select:focus {
        border-color: var(--primary);
    }
    
    /* ===== Guide List ===== */
    .guide-list-section {
        padding: 16px 0 40px;
    }
    
    .guide-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    
    .guide-card {
        display: flex;
        align-items: stretch;
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        cursor: pointer;
    }
    
    .guide-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: rgba(10, 92, 100, 0.2);
    }
    
    .guide-card-thumb {
        width: 260px;
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
        min-height: 180px;
    }
    
    .guide-card-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }
    
    .guide-card:hover .guide-card-thumb img {
        transform: scale(1.04);
    }
    
    .guide-card-body {
        flex: 1;
        padding: 20px 24px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 12px;
    }
    
    .guide-card-top {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .card-tag {
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        background: rgba(10, 92, 100, 0.08);
        color: var(--primary);
        border: 1px solid rgba(10, 92, 100, 0.14);
    }
    
    .card-tag.orange {
        background: rgba(255, 107, 74, 0.08);
        color: var(--accent);
        border-color: rgba(255, 107, 74, 0.18);
    }
    
    .card-tag.green {
        background: rgba(46, 158, 107, 0.08);
        color: var(--success);
        border-color: rgba(46, 158, 107, 0.16);
    }
    
    .card-date {
        font-size: 0.8rem;
        color: var(--text-light);
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    .guide-card-title {
        font-size: 1.2rem;
        font-weight: 600;
        color: var(--text-dark);
        line-height: 1.45;
    }
    
    .guide-card-desc {
        font-size: 0.95rem;
        color: var(--text-light);
        line-height: 1.75;
    }
    
    .guide-card-bottom {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    
    .card-stat {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        color: var(--text-light);
    }
    
    .card-stat i {
        color: var(--primary-light);
        font-size: 0.8rem;
    }
    
    .card-more {
        margin-left: auto;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--accent);
        display: flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition);
    }
    
    .guide-card:hover .card-more {
        gap: 8px;
    }
    
    /* ===== Schedule Section ===== */
    .schedule-section {
        padding: 48px 0;
        background: #fff;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    
    .section-head {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 28px;
        flex-wrap: wrap;
    }
    
    .section-title {
        font-size: 1.55rem;
        font-weight: 700;
        color: var(--text-dark);
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        color: var(--text-light);
    }
    
    .section-link {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--accent);
        display: flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition);
    }
    
    .section-link:hover {
        gap: 8px;
        color: var(--accent-hover);
    }
    
    .schedule-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .schedule-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 14px 20px;
        background: var(--card-alt);
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        transition: all var(--transition);
    }
    
    .schedule-item:hover {
        background: #fff;
        border-color: rgba(10, 92, 100, 0.25);
        box-shadow: var(--shadow-sm);
    }
    
    .schedule-time {
        flex-shrink: 0;
        min-width: 70px;
        text-align: center;
    }
    
    .schedule-time .day {
        font-size: 0.75rem;
        color: var(--text-light);
        display: block;
    }
    
    .schedule-time .hour {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--primary);
    }
    
    .schedule-league {
        flex-shrink: 0;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--text-dark);
        background: #fff;
        padding: 4px 12px;
        border-radius: 20px;
        border: 1px solid var(--border-strong);
    }
    
    .schedule-match {
        flex: 1;
        font-weight: 600;
        color: var(--text-dark);
    }
    
    .schedule-status {
        flex-shrink: 0;
        font-size: 0.8rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
    }
    
    .schedule-status.live {
        background: rgba(255, 107, 74, 0.12);
        color: var(--accent);
    }
    
    .schedule-status.upcoming {
        background: rgba(10, 92, 100, 0.08);
        color: var(--primary);
    }
    
    .schedule-status.finished {
        background: rgba(46, 158, 107, 0.1);
        color: var(--success);
    }
    
    /* ===== Recommend Section ===== */
    .recommend-section {
        padding: 56px 0;
    }
    
    .recommend-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 22px;
    }
    
    .recommend-card {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    
    .recommend-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: rgba(10, 92, 100, 0.22);
    }
    
    .recommend-thumb {
        width: 100%;
        height: 180px;
        overflow: hidden;
        position: relative;
    }
    
    .recommend-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.35s ease;
    }
    
    .recommend-card:hover .recommend-thumb img {
        transform: scale(1.04);
    }
    
    .recommend-badge-overlay {
        position: absolute;
        top: 12px;
        left: 12px;
        padding: 4px 12px;
        border-radius: 20px;
        background: rgba(13, 27, 42, 0.75);
        color: #fff;
        font-size: 0.75rem;
        font-weight: 600;
        backdrop-filter: blur(4px);
    }
    
    .recommend-body {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        flex: 1;
    }
    
    .recommend-title {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text-dark);
        line-height: 1.45;
    }
    
    .recommend-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-light);
        flex-wrap: wrap;
    }
    
    .recommend-meta i {
        color: var(--primary-light);
    }
    
    .recommend-desc {
        font-size: 0.85rem;
        color: var(--text-light);
        line-height: 1.7;
    }
    
    .recommend-action {
        margin-top: auto;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--primary);
        display: flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition);
    }
    
    .recommend-card:hover .recommend-action {
        gap: 8px;
        color: var(--primary-light);
    }
    
    /* ===== Stats Strip ===== */
    .stats-strip-section {
        padding: 48px 0;
        background: var(--dark);
        background-image: radial-gradient(circle at 20% 30%, rgba(27, 138, 158, 0.18) 0%, transparent 45%),
            radial-gradient(circle at 80% 70%, rgba(255, 107, 74, 0.12) 0%, transparent 40%);
    }
    
    .stats-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    
    .stat-block {
        background: rgba(255, 255, 255, 0.04);
        border-radius: var(--radius-lg);
        padding: 24px 20px;
        text-align: center;
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: all var(--transition);
    }
    
    .stat-block:hover {
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(255, 255, 255, 0.15);
    }
    
    .stat-number {
        font-size: 2rem;
        font-weight: 700;
        background: linear-gradient(135deg, #fff, #9adbe8);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1.2;
    }
    
    .stat-label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        margin-top: 6px;
    }
    
    .stat-trend {
        display: inline-block;
        margin-top: 8px;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 20px;
    }
    
    .stat-trend.up {
        background: rgba(46, 158, 107, 0.2);
        color: #7dd8a6;
    }
    
    .stat-trend.flat {
        background: rgba(245, 185, 64, 0.2);
        color: #f5d88a;
    }
    
    /* ===== Feature Entry ===== */
    .feature-entry-section {
        padding: 56px 0;
        background: #fff;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    
    .feature-entry-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .feature-entry {
        background: var(--card-alt);
        border-radius: var(--radius-xl);
        padding: 28px 30px;
        border: 1px solid var(--border);
        transition: all var(--transition);
        display: flex;
        align-items: flex-start;
        gap: 18px;
    }
    
    .feature-entry:hover {
        box-shadow: var(--shadow-md);
        border-color: rgba(10, 92, 100, 0.22);
        transform: translateY(-2px);
    }
    
    .feature-entry-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        flex-shrink: 0;
        box-shadow: 0 4px 12px rgba(10, 92, 100, 0.2);
    }
    
    .feature-entry-content h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 6px;
    }
    
    .feature-entry-content p {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.7;
    }
    
    /* ===== Subscribe Section ===== */
    .subscribe-section {
        padding: 56px 0;
    }
    
    .subscribe-panel {
        max-width: 560px;
        margin: 0 auto;
        background: #fff;
        border-radius: var(--radius-xl);
        padding: 36px 32px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        text-align: center;
    }
    
    .subscribe-panel h2 {
        font-size: 1.45rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 8px;
    }
    
    .subscribe-panel p {
        font-size: 0.9rem;
        color: var(--text-light);
        margin-bottom: 18px;
    }
    
    .subscribe-badges {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }
    
    .subscribe-form {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    
    .subscribe-form input {
        padding: 12px 16px;
        border-radius: 10px;
        border: 1px solid #CBD5E0;
        font-size: 0.95rem;
        color: var(--text-dark);
        transition: all var(--transition);
        background: #fff;
    }
    
    .subscribe-form input:focus {
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
    }
    
    .subscribe-form button {
        padding: 13px 24px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        transition: all var(--transition);
        box-shadow: var(--shadow-btn);
        width: 100%;
    }
    
    .subscribe-form button:hover {
        transform: translateY(-1px);
        box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
    }
    
    .subscribe-note {
        font-size: 0.75rem;
        color: var(--text-light);
        margin-top: 12px;
    }
    
    /* ===== FAQ Section ===== */
    .faq-section {
        padding: 56px 0;
        background: #fff;
        border-top: 1px solid var(--border);
    }
    
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .faq-item {
        background: var(--card-alt);
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: all var(--transition);
    }
    
    .faq-item.open {
        background: #fff;
        border-color: rgba(10, 92, 100, 0.3);
        box-shadow: var(--shadow-sm);
    }
    
    .faq-question {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px 20px;
        cursor: pointer;
        font-weight: 600;
        color: var(--text-dark);
        font-size: 1rem;
        transition: color var(--transition);
        user-select: none;
    }
    
    .faq-question:hover {
        color: var(--primary);
    }
    
    .faq-icon {
        flex-shrink: 0;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        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;
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.75;
    }
    
    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 20px 18px;
    }
    
    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 48px 0 24px;
        margin-top: 0;
    }
    
    .footer-grid {
        display: grid;
        grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    
    .footer-brand .brand-text-footer {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
    }
    
    .footer-brand .brand-text-footer span {
        font-size: 1.2rem;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.5px;
    }
    
    .footer-brand p {
        font-size: 0.85rem;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.6);
    }
    
    .footer-col h4 {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }
    
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .footer-col ul a {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.6);
        transition: color var(--transition);
    }
    
    .footer-col ul a:hover {
        color: #fff;
    }
    
    .footer-contact p {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.6);
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
    }
    
    .footer-contact i {
        color: var(--primary-light);
        flex-shrink: 0;
    }
    
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.5);
    }
    
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
        transition: color var(--transition);
    }
    
    .footer-bottom a:hover {
        color: #fff;
    }
    
    .footer-separator {
        margin: 0 6px;
        color: rgba(255, 255, 255, 0.3);
    }
    
    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .recommend-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .stats-strip {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .guide-card-thumb {
            width: 200px;
        }
    }
    
    @media (max-width: 768px) {
        .nav-toggle {
            display: flex;
        }
        
        .nav-bar {
            display: none;
            padding: 12px 0;
        }
        
        .nav-bar.open {
            display: block;
        }
        
        .nav-grid {
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
        }
        
        .nav-item {
            padding: 12px 16px;
            border-radius: 10px;
        }
        
        .nav-item.active::after {
            display: none;
        }
        
        .header-search {
            max-width: none;
            order: 3;
            width: 100%;
        }
        
        .page-title {
            font-size: 1.7rem;
        }
        
        .page-head-inner {
            flex-direction: column;
            gap: 18px;
        }
        
        .guide-card {
            flex-direction: column;
        }
        
        .guide-card-thumb {
            width: 100%;
            height: 180px;
            min-height: auto;
        }
        
        .guide-card-body {
            padding: 16px 18px;
        }
        
        .recommend-grid {
            grid-template-columns: 1fr;
        }
        
        .feature-entry-grid {
            grid-template-columns: 1fr;
        }
        
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        
        .schedule-item {
            flex-wrap: wrap;
            gap: 10px;
            padding: 12px 16px;
        }
        
        .schedule-match {
            flex: 1 1 100%;
            order: 2;
        }
        
        .schedule-status {
            order: 3;
        }
    }
    
    @media (max-width: 520px) {
        .container {
            padding: 0 14px;
        }
        
        .page-title {
            font-size: 1.45rem;
        }
        
        .page-badges {
            gap: 6px;
        }
        
        .data-badge {
            font-size: 0.75rem;
            padding: 6px 12px;
        }
        
        .stats-strip {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        
        .stat-number {
            font-size: 1.5rem;
        }
        
        .subscribe-panel {
            padding: 24px 18px;
        }
        
        .guide-card-title {
            font-size: 1.05rem;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #0A5C64;
            --primary-light: #1B8A9E;
            --primary-dark: #07555c;
            --accent: #FF6B4A;
            --accent-hover: #e55a3d;
            --dark: #0D1B2A;
            --dark-card: #132238;
            --bg: #F7F5F1;
            --card: #FFFFFF;
            --card-alt: #F0F7F7;
            --text: #33475B;
            --text-light: #6B7A8D;
            --text-dark: #1A2B3C;
            --border: rgba(10, 92, 100, 0.12);
            --border-strong: rgba(10, 92, 100, 0.2);
            --success: #2E9E6B;
            --warning: #F5B940;
            --gold: #C9A961;
            --gold-light: #E8D5A8;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
            --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
            --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
            --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --section-pad: 56px 0;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 18px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        }
        .brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .brand-text span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid #d8dee4;
            border-radius: 30px;
            padding: 8px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
            background: #fff;
        }
        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 0;
        }
        .header-search input::placeholder {
            color: #9aa8b6;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
        }
        .btn-subscribe-header {
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
        }
        .btn-subscribe-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            color: var(--text-dark);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(10, 92, 100, 0.06);
        }
        .nav-bar {
            border-top: 1px solid var(--border);
            padding: 10px 0;
        }
        .nav-grid {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-item i {
            font-size: 1.1rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-item:hover {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.04);
            border-bottom-color: var(--primary-light);
        }
        .nav-item:hover i {
            color: var(--primary);
        }
        .nav-item.active {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.06);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-item.active i {
            color: var(--primary);
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: #b0bec5;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }
        /* ===== Hero - 会员俱乐部黑金感 ===== */
        .category-hero {
            position: relative;
            background: var(--dark);
            background-image: linear-gradient(135deg, #0D1B2A 0%, #1a2635 50%, #0D1B2A 100%);
            background-size: cover;
            padding: 60px 0 70px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/fe4b8a3dfb02879c.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(201, 169, 97, 0.16), transparent 55%),
                radial-gradient(ellipse at 75% 70%, rgba(10, 92, 100, 0.14), transparent 50%);
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .vip-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 30px;
            border: 1px solid rgba(201, 169, 97, 0.5);
            background: rgba(201, 169, 97, 0.12);
            color: var(--gold-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            backdrop-filter: blur(4px);
        }
        .vip-badge i {
            color: var(--gold);
        }
        .hero-title-row {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            gap: 28px;
            margin-bottom: 14px;
        }
        .category-hero h1 {
            font-size: 2.3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin: 0;
            letter-spacing: 1px;
        }
        .category-hero h1 .gold-text {
            background: linear-gradient(135deg, #E8D5A8, #C9A961);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-level-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 30px;
            background: rgba(201, 169, 97, 0.15);
            border: 1px solid rgba(201, 169, 97, 0.4);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .hero-level-tag .level-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
            box-shadow: 0 0 8px rgba(201, 169, 97, 0.7);
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 30px;
        }
        .btn-gold {
            background: linear-gradient(135deg, #C9A961, #B8943F);
            color: #1a1a1a;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 12px;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(201, 169, 97, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(201, 169, 97, 0.45);
            color: #1a1a1a;
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 12px;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .hero-data-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-metric {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 14px 22px;
            min-width: 130px;
            backdrop-filter: blur(4px);
        }
        .hero-metric .metric-value {
            font-size: 1.45rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 2px;
        }
        .hero-metric .metric-value.gold {
            color: var(--gold-light);
        }
        .hero-metric .metric-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.3px;
        }
        /* ===== Section通用 ===== */
        .section {
            padding: var(--section-pad);
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .section-title.light {
            color: #fff;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 28px;
            max-width: 640px;
        }
        .section-subtitle.light {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-head {
            margin-bottom: 28px;
        }
        .section-head.flex-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .link-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .link-more:hover {
            color: var(--primary-light);
            gap: 10px;
        }
        /* ===== 筛选栏 ===== */
        .filter-bar {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 18px;
            box-shadow: var(--shadow-sm);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-dark);
            white-space: nowrap;
        }
        .filter-chip {
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text);
            border: 1px solid var(--border);
            background: #fff;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(10, 92, 100, 0.04);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .filter-select {
            padding: 7px 14px;
            border-radius: 10px;
            border: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-dark);
            background: #fff;
            cursor: pointer;
            transition: all var(--transition);
        }
        .filter-select:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 2px rgba(27, 138, 158, 0.15);
        }
        /* ===== 横向列表卡片 ===== */
        .list-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            margin-bottom: 16px;
            overflow: hidden;
        }
        .list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-strong);
        }
        .list-card-img {
            width: 200px;
            min-height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--card-alt);
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .list-card:hover .list-card-img img {
            transform: scale(1.03);
        }
        .list-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .list-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 6px;
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 30px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            border: 1px solid rgba(10, 92, 100, 0.15);
        }
        .tag-badge.hot {
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
            border-color: rgba(255, 107, 74, 0.2);
        }
        .tag-badge.gold {
            background: rgba(201, 169, 97, 0.12);
            color: #B8943F;
            border-color: rgba(201, 169, 97, 0.3);
        }
        .list-card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 6px;
            line-height: 1.45;
            letter-spacing: 0.2px;
        }
        .list-card-desc {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.65;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: #98a7b5;
        }
        .list-card-meta i {
            margin-right: 4px;
        }
        .list-card-meta .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(10, 92, 100, 0.06);
            color: var(--primary);
            font-weight: 600;
        }
        /* ===== 热门推荐卡片 ===== */
        .hot-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .hot-card-img {
            height: 170px;
            overflow: hidden;
            background: var(--card-alt);
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .hot-card:hover .hot-card-img img {
            transform: scale(1.05);
        }
        .hot-card-body {
            padding: 16px 18px 18px;
        }
        .hot-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .hot-card-desc {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        /* ===== 数据统计速览 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
        }
        /* ===== 专题入口 ===== */
        .topic-entry {
            background: var(--dark-card);
            border-radius: var(--radius-xl);
            padding: 28px 30px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            color: #fff;
            margin-bottom: 16px;
            border: 1px solid rgba(201, 169, 97, 0.2);
        }
        .topic-entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(201, 169, 97, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--gold);
            flex-shrink: 0;
        }
        .topic-entry-body {
            flex: 1;
            min-width: 200px;
        }
        .topic-entry-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .topic-entry-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }
        .btn-topic {
            padding: 10px 22px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid rgba(201, 169, 97, 0.5);
            color: var(--gold-light);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-topic:hover {
            background: rgba(201, 169, 97, 0.15);
            border-color: var(--gold);
            color: #fff;
        }
        /* ===== 订阅CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark), #1a2635);
            border-radius: var(--radius-xl);
            padding: 36px 36px 40px;
            text-align: center;
            color: #fff;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            font-size: 0.95rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }
        .btn-cta-gold {
            padding: 13px 26px;
            border-radius: 12px;
            background: linear-gradient(135deg, #C9A961, #B8943F);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 6px 20px rgba(201, 169, 97, 0.3);
        }
        .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 169, 97, 0.45);
        }
        .cta-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 18px;
        }
        .cta-badge {
            padding: 5px 14px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            list-style: none;
            transition: all var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-q-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-item summary::after {
            content: '+';
            margin-left: auto;
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item summary:hover {
            background: rgba(10, 92, 100, 0.03);
        }
        .faq-answer {
            padding: 0 20px 18px 58px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* ===== 保障板块 ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .trust-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .trust-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .trust-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin: 0 auto 10px;
        }
        .trust-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .trust-desc {
            font-size: 0.8rem;
            color: var(--text-light);
            line-height: 1.55;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 50px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 300px;
        }
        .brand-text-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-contact p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--gold);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-separator {
            margin: 0 4px;
            color: rgba(255, 255, 255, 0.3);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .list-card-img {
                width: 160px;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 0;
            }
            .header-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                margin-top: 2px;
            }
            .header-actions {
                margin-left: auto;
            }
            .btn-login,
            .btn-subscribe-header {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-bar {
                display: none;
                padding: 8px 0 12px;
            }
            .nav-bar.open {
                display: block;
            }
            .nav-grid {
                flex-direction: column;
                gap: 2px;
            }
            .nav-item {
                padding: 10px 14px;
                border-bottom: none;
                border-left: 3px solid transparent;
                border-radius: 8px;
            }
            .nav-item.active {
                border-left-color: var(--primary);
                border-bottom: none;
            }
            .category-hero {
                padding: 40px 0 50px;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .hero-metric {
                min-width: 100px;
                padding: 10px 14px;
            }
            .hero-metric .metric-value {
                font-size: 1.2rem;
            }
            .list-card {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .list-card-img {
                width: 100%;
                min-height: 160px;
                height: 160px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .trust-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section {
                padding: 40px 0;
            }
            .cta-section {
                padding: 24px 18px 28px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
            }
            .btn-cta-gold {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }
            .filter-bar {
                padding: 12px 14px;
                gap: 10px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-badge-row {
                gap: 8px;
            }
            .vip-badge {
                font-size: 0.72rem;
                padding: 5px 12px;
            }
        }

/* roulang page: category3 */
:root {
      --primary: #0A5C64;
      --primary-light: #1B8A9E;
      --primary-dark: #07555c;
      --accent: #FF6B4A;
      --accent-hover: #e55a3d;
      --dark: #0D1B2A;
      --dark-card: #132238;
      --bg: #F7F5F1;
      --card: #FFFFFF;
      --card-alt: #F0F7F7;
      --text: #33475B;
      --text-light: #6B7A8D;
      --text-dark: #1A2B3C;
      --border: rgba(10, 92, 100, 0.12);
      --border-strong: rgba(10, 92, 100, 0.2);
      --success: #2E9E6B;
      --warning: #F5B940;
      --radius-sm: 10px;
      --radius-md: 14px;
      --radius-lg: 18px;
      --radius-xl: 22px;
      --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
      --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
      --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
      --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
      --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      --container: 1200px;
      --section-pad: 64px 0;
      --transition: 0.2s ease;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      margin: 0;
      padding: 0;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--primary-light);
    }
    button,
    input,
    textarea {
      font-family: inherit;
      font-size: inherit;
      outline: none;
    }
    button {
      cursor: pointer;
      border: none;
      background: none;
    }
    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header */
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1000;
      box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
    }
    .header-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      gap: 18px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      text-decoration: none;
    }
    .brand-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.3rem;
      box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
    }
    .brand-text {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--dark);
      letter-spacing: 0.5px;
      line-height: 1.2;
    }
    .brand-text span {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .header-search {
      flex: 1;
      max-width: 360px;
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--bg);
      border: 1px solid #d8dee4;
      border-radius: 30px;
      padding: 8px 16px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .header-search:focus-within {
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
      background: #fff;
    }
    .header-search i {
      color: var(--text-light);
      font-size: 0.9rem;
    }
    .header-search input {
      flex: 1;
      border: none;
      background: transparent;
      font-size: 0.9rem;
      color: var(--text-dark);
      padding: 0;
    }
    .header-search input::placeholder {
      color: #9aa8b6;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .btn-login {
      padding: 8px 18px;
      border-radius: 10px;
      border: 1px solid var(--border-strong);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .btn-login:hover {
      background: rgba(10, 92, 100, 0.06);
      border-color: var(--primary);
    }
    .btn-subscribe-header {
      padding: 8px 18px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      font-weight: 600;
      font-size: 0.9rem;
      white-space: nowrap;
      transition: all var(--transition);
      box-shadow: var(--shadow-btn);
    }
    .btn-subscribe-header:hover {
      transform: translateY(-1px);
      box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
      color: #fff;
    }
    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      border: 1px solid var(--border);
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.1rem;
      transition: background var(--transition);
    }
    .nav-toggle:hover {
      background: rgba(10, 92, 100, 0.06);
    }

    .nav-bar {
      border-top: 1px solid var(--border);
      padding: 8px 0;
    }
    .nav-grid {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      flex-wrap: wrap;
    }
    .nav-item {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 8px 14px;
      border-radius: 10px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text);
      position: relative;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .nav-item i {
      font-size: 1rem;
      color: var(--primary-light);
      transition: color var(--transition);
    }
    .nav-item:hover {
      color: var(--primary);
      background: rgba(10, 92, 100, 0.06);
    }
    .nav-item:hover i {
      color: var(--primary);
    }
    .nav-item.active {
      color: var(--primary);
      background: rgba(10, 92, 100, 0.08);
    }
    .nav-item.active::after {
      content: '';
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 4px;
      height: 3px;
      border-radius: 3px;
      background: linear-gradient(90deg, var(--primary), var(--primary-light));
    }
    .nav-item.active i {
      color: var(--primary);
    }

    /* Breadcrumb */
    .breadcrumb {
      padding: 18px 0 0;
      font-size: 0.85rem;
      color: var(--text-light);
    }
    .breadcrumb a {
      color: var(--text-light);
      transition: color var(--transition);
    }
    .breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb .separator {
      margin: 0 6px;
      color: #b8c4cd;
    }
    .breadcrumb .current {
      color: var(--primary);
      font-weight: 600;
    }

    /* Page Hero / Title */
    .page-title-section {
      padding: 36px 0 28px;
    }
    .page-title-wrapper {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .page-title-left {
      flex: 1;
      min-width: 280px;
    }
    .page-title-left h1 {
      margin: 0 0 12px 0;
      font-size: 2.1rem;
      line-height: 1.25;
      font-weight: 700;
      color: var(--text-dark);
      letter-spacing: 0.5px;
    }
    .page-title-left h1 span {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .page-title-left p {
      margin: 0;
      font-size: 1rem;
      color: var(--text-light);
      max-width: 720px;
      line-height: 1.8;
    }
    .page-title-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .badge-data {
      min-height: 28px;
      padding: 8px 14px;
      border-radius: 30px;
      background: rgba(10, 92, 100, 0.06);
      border: 1px solid rgba(10, 92, 100, 0.15);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }
    .badge-data i {
      font-size: 0.8rem;
      color: var(--primary-light);
    }

    /* Filter / Sort Bar */
    .filter-section {
      padding: 20px 0 28px;
    }
    .filter-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 14px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      box-shadow: var(--shadow-sm);
    }
    .filter-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-dark);
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .filter-label i {
      color: var(--primary-light);
      font-size: 0.9rem;
    }
    .filter-btn {
      padding: 7px 14px;
      border-radius: 20px;
      border: 1px solid var(--border);
      background: #fff;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text);
      transition: all var(--transition);
      white-space: nowrap;
    }
    .filter-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(10, 92, 100, 0.04);
    }
    .filter-btn.active {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      border-color: var(--primary);
    }
    .filter-sort {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-dark);
    }
    .filter-sort select {
      padding: 6px 12px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--text);
      font-size: 0.82rem;
      font-weight: 500;
      cursor: pointer;
      transition: border-color var(--transition);
    }
    .filter-sort select:hover {
      border-color: var(--primary-light);
    }

    /* Main Article List */
    .article-list-section {
      padding: 36px 0 40px;
    }
    .section-heading {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 22px;
      flex-wrap: wrap;
      gap: 12px;
    }
    .section-heading h2 {
      margin: 0;
      font-size: 1.55rem;
      font-weight: 700;
      color: var(--text-dark);
      letter-spacing: 0.3px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .section-heading h2 i {
      color: var(--accent);
      font-size: 1.3rem;
    }
    .section-heading .section-note {
      font-size: 0.88rem;
      color: var(--text-light);
      font-weight: 400;
    }
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .article-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 22px 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-strong);
    }
    .article-number-wrap {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(10, 92, 100, 0.18);
    }
    .article-content {
      flex: 1;
      min-width: 0;
    }
    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 6px;
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .article-meta .tag {
      padding: 3px 10px;
      border-radius: 20px;
      background: rgba(255, 107, 74, 0.08);
      color: var(--accent);
      border: 1px solid rgba(255, 107, 74, 0.2);
      font-weight: 600;
      font-size: 0.75rem;
      white-space: nowrap;
    }
    .article-meta .date {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .article-meta .date i {
      font-size: 0.75rem;
    }
    .article-content h3 {
      margin: 0 0 8px 0;
      font-size: 1.18rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.5;
    }
    .article-content h3 a {
      color: var(--text-dark);
      transition: color var(--transition);
    }
    .article-content h3 a:hover {
      color: var(--primary);
    }
    .article-content p {
      margin: 0 0 10px 0;
      font-size: 0.92rem;
      color: var(--text);
      line-height: 1.8;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-stats {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 0.78rem;
      color: var(--text-light);
    }
    .article-stats span {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .article-stats i {
      font-size: 0.75rem;
      color: var(--primary-light);
    }

    /* Tactical Keywords */
    .keywords-section {
      padding: 40px 0;
      background: var(--card-alt);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .keywords-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }
    .keyword-tag {
      padding: 9px 18px;
      border-radius: 30px;
      background: #fff;
      border: 1px solid var(--border);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: all var(--transition);
      box-shadow: var(--shadow-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .keyword-tag:hover {
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    .keyword-tag i {
      color: var(--accent);
      font-size: 0.75rem;
    }

    /* Deep Dive Features */
    .features-section {
      padding: 48px 0;
    }
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .feature-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--border-strong);
    }
    .feature-card-img {
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
      position: relative;
      background: #e8eeed;
    }
    .feature-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .feature-card:hover .feature-card-img img {
      transform: scale(1.03);
    }
    .feature-card-body {
      padding: 18px 20px 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .feature-card-body .feature-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.75rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .feature-card-body h3 {
      margin: 0 0 8px 0;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.5;
    }
    .feature-card-body h3 a {
      color: var(--text-dark);
      transition: color var(--transition);
    }
    .feature-card-body h3 a:hover {
      color: var(--primary);
    }
    .feature-card-body p {
      margin: 0 0 12px 0;
      font-size: 0.88rem;
      color: var(--text);
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .feature-card-footer {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.78rem;
      color: var(--text-light);
      padding-top: 10px;
      border-top: 1px solid var(--border);
    }
    .feature-card-footer span {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* Tactical Stats */
    .tactical-stats-section {
      padding: 48px 0;
      background: var(--dark);
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .tactical-stats-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(27, 138, 158, 0.15);
      z-index: 0;
    }
    .tactical-stats-section::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: -40px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(255, 107, 74, 0.1);
      z-index: 0;
    }
    .tactical-stats-content {
      position: relative;
      z-index: 1;
    }
    .tactical-stats-content .section-heading {
      margin-bottom: 28px;
    }
    .tactical-stats-content .section-heading h2 {
      color: #fff;
    }
    .tactical-stats-content .section-heading h2 i {
      color: var(--accent);
    }
    .tactical-stats-content .section-heading .section-note {
      color: rgba(255, 255, 255, 0.7);
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .stat-tile {
      background: var(--dark-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 22px 18px;
      text-align: center;
      transition: all var(--transition);
    }
    .stat-tile:hover {
      background: rgba(27, 138, 158, 0.12);
      border-color: rgba(27, 138, 158, 0.3);
      transform: translateY(-3px);
    }
    .stat-tile .stat-value {
      font-size: 2rem;
      font-weight: 700;
      background: linear-gradient(135deg, var(--primary-light), #5ab8ca);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.3;
      margin-bottom: 6px;
    }
    .stat-tile .stat-label {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.75);
      font-weight: 500;
    }
    .stat-tile .stat-desc {
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.5);
      margin-top: 4px;
    }

    /* Subscribe CTA */
    .subscribe-section {
      padding: 56px 0;
    }
    .subscribe-card {
      max-width: 720px;
      margin: 0 auto;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      padding: 40px 36px;
      box-shadow: var(--shadow-md);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .subscribe-card::before {
      content: '';
      position: absolute;
      top: -50px;
      right: -40px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: rgba(10, 92, 100, 0.05);
    }
    .subscribe-card h2 {
      margin: 0 0 10px 0;
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-dark);
      position: relative;
      z-index: 1;
    }
    .subscribe-card p {
      margin: 0 0 20px 0;
      font-size: 0.95rem;
      color: var(--text-light);
      position: relative;
      z-index: 1;
    }
    .subscribe-form {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      max-width: 440px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    .subscribe-input {
      width: 100%;
      padding: 12px 18px;
      border-radius: 12px;
      border: 1px solid #CBD5E0;
      font-size: 0.92rem;
      color: var(--text-dark);
      background: #fff;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .subscribe-input:focus {
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
    }
    .subscribe-input::placeholder {
      color: #9aa8b6;
    }
    .btn-primary {
      width: 100%;
      padding: 13px 28px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      font-weight: 700;
      font-size: 0.95rem;
      transition: all var(--transition);
      box-shadow: var(--shadow-btn);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 10px 24px rgba(10, 92, 100, 0.3);
      color: #fff;
    }
    .subscribe-note {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 14px;
      font-size: 0.8rem;
      color: var(--text-light);
      position: relative;
      z-index: 1;
    }
    .subscribe-note .badge-data {
      font-size: 0.75rem;
      padding: 5px 12px;
    }

    /* FAQ */
    .faq-section {
      padding: 48px 0 56px;
      background: var(--card-alt);
      border-top: 1px solid var(--border);
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 22px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-strong);
    }
    .faq-question {
      width: 100%;
      margin: 0;
      padding: 0;
    }
    .faq-question summary {
      list-style: none;
      cursor: pointer;
      padding: 16px 20px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      transition: all var(--transition);
    }
    .faq-question summary::-webkit-details-marker {
      display: none;
    }
    .faq-question summary:hover {
      color: var(--primary);
    }
    .faq-question summary .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(10, 92, 100, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 0.85rem;
      transition: transform var(--transition);
    }
    .faq-item[open] .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      padding: 0 20px 16px;
      font-size: 0.92rem;
      color: var(--text);
      line-height: 1.8;
    }

    /* Footer */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.75);
      padding: 48px 0 20px;
      margin-top: 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 28px;
      margin-bottom: 32px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-brand .brand-text-footer {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-brand .brand-text-footer span {
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
    }
    .footer-brand p {
      margin: 0;
      font-size: 0.88rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.65);
      max-width: 340px;
    }
    .footer-col h4 {
      margin: 0 0 14px 0;
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul li a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.88rem;
      transition: color var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .footer-col ul li a:hover {
      color: #fff;
    }
    .footer-col ul li a i {
      font-size: 0.75rem;
      color: var(--accent);
    }
    .footer-contact p {
      margin: 0 0 10px 0;
      font-size: 0.88rem;
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, 0.65);
    }
    .footer-contact p i {
      color: var(--accent);
      font-size: 0.85rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.78rem;
      transition: color var(--transition);
    }
    .footer-bottom a:hover {
      color: #fff;
    }
    .footer-separator {
      margin: 0 8px;
      color: rgba(255, 255, 255, 0.25);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .nav-grid {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
      }
      .nav-item {
        flex-shrink: 0;
      }
      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-brand {
        grid-column: 1 / -1;
      }
    }
    @media (max-width: 768px) {
      .header-top {
        flex-wrap: wrap;
        gap: 12px;
      }
      .header-search {
        order: 3;
        width: 100%;
        max-width: 100%;
      }
      .nav-toggle {
        display: flex;
      }
      .nav-bar {
        display: none;
        padding: 12px 0;
      }
      .nav-bar.open {
        display: block;
      }
      .nav-grid {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
        overflow-x: visible;
        padding-bottom: 0;
      }
      .nav-item {
        width: 100%;
        padding: 12px 14px;
        border-radius: 8px;
      }
      .nav-item.active::after {
        left: 0;
        right: auto;
        bottom: 4px;
        top: 4px;
        width: 4px;
        height: auto;
        background: linear-gradient(180deg, var(--primary), var(--primary-light));
      }
      .page-title-wrapper {
        flex-direction: column;
        align-items: flex-start;
      }
      .page-title-left h1 {
        font-size: 1.7rem;
      }
      .filter-card {
        flex-direction: column;
        align-items: flex-start;
      }
      .article-card {
        flex-direction: column;
        gap: 14px;
        padding: 18px 16px;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .stat-tile .stat-value {
        font-size: 1.5rem;
      }
      .subscribe-card {
        padding: 30px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-brand {
        grid-column: auto;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        line-height: 2;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .header-actions .btn-login {
        display: none;
      }
      .header-actions .btn-subscribe-header {
        padding: 8px 12px;
        font-size: 0.8rem;
      }
      .page-title-left h1 {
        font-size: 1.4rem;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .article-content h3 {
        font-size: 1.02rem;
      }
      .keyword-tag {
        padding: 7px 14px;
        font-size: 0.8rem;
      }
      .subscribe-card h2 {
        font-size: 1.25rem;
      }
    }

/* roulang page: category5 */
:root {
            --primary: #0A5C64;
            --primary-light: #1B8A9E;
            --primary-dark: #07555c;
            --accent: #FF6B4A;
            --accent-hover: #e55a3d;
            --dark: #0D1B2A;
            --dark-card: #132238;
            --bg: #F7F5F1;
            --card: #FFFFFF;
            --card-alt: #F0F7F7;
            --text: #33475B;
            --text-light: #6B7A8D;
            --text-dark: #1A2B3C;
            --border: rgba(10, 92, 100, 0.12);
            --border-strong: rgba(10, 92, 100, 0.2);
            --success: #2E9E6B;
            --warning: #F5B940;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
            --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
            --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
            --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --section-pad: 64px 0;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 18px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        }

        .brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .brand-text span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid #d8dee4;
            border-radius: 30px;
            padding: 8px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
            background: #fff;
        }

        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 0;
        }

        .header-search input::placeholder {
            color: #9aa8b6;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
        }

        .btn-subscribe-header {
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
        }

        .btn-subscribe-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-dark);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(10, 92, 100, 0.08);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Icon Grid Nav */
        .nav-bar {
            border-top: 1px solid var(--border);
            padding: 0;
        }

        .nav-grid {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 2px 0;
        }

        .nav-grid::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            transition: all var(--transition);
            border-radius: 0;
            text-decoration: none;
        }

        .nav-item i {
            font-size: 1.05rem;
            color: var(--text-light);
            transition: color var(--transition);
        }

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

        .nav-item:hover i {
            color: var(--primary);
        }

        .nav-item.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: rgba(10, 92, 100, 0.04);
        }

        .nav-item.active i {
            color: var(--primary);
        }

        /* ===== Page Hero / H1 Section ===== */
        .page-hero {
            background: linear-gradient(145deg, var(--dark) 0%, #132238 50%, #1a3147 100%);
            position: relative;
            overflow: hidden;
            padding: 56px 0 64px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 20% 30%, rgba(27, 138, 158, 0.15) 0%, transparent 45%),
                radial-gradient(circle at 80% 70%, rgba(255, 107, 74, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(10, 92, 100, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
            font-size: 0.7rem;
        }

        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: 28px;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.82rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .hero-badge:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
        }

        /* ===== Sections ===== */
        .section {
            padding: var(--section-pad);
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            line-height: 1.35;
        }

        .section-title .highlight {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 480px;
            line-height: 1.7;
        }

        .section-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            transition: all var(--transition);
            text-decoration: none;
        }

        .section-link:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        .section-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }

        .section-link:hover i {
            transform: translateX(3px);
        }

        /* ===== Featured Article (大图卡片) ===== */
        .featured-article {
            background: var(--card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 380px;
        }

        .featured-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .featured-image {
            position: relative;
            overflow: hidden;
            min-height: 380px;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .featured-article:hover .featured-image img {
            transform: scale(1.03);
        }

        .featured-image .badge-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .featured-content {
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-content .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .featured-content .meta i {
            color: var(--primary-light);
            font-size: 0.75rem;
        }

        .featured-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .featured-content p {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .featured-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .featured-tags span {
            padding: 5px 12px;
            border-radius: 20px;
            background: var(--card-alt);
            border: 1px solid var(--border);
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--primary);
        }

        /* ===== Article Cards Grid (大图卡片主体) ===== */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .article-card .card-image {
            position: relative;
            overflow: hidden;
            height: 200px;
            flex-shrink: 0;
        }

        .article-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-card:hover .card-image img {
            transform: scale(1.04);
        }

        .article-card .card-image .image-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(13, 27, 42, 0.75);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .card-body .card-meta i {
            color: var(--primary-light);
            font-size: 0.7rem;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .card-body p {
            font-size: 0.88rem;
            color: var(--text);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .card-footer .read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .card-footer .read-more:hover {
            color: var(--accent-hover);
            text-decoration: underline;
        }

        .card-footer .data-badge {
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(10, 92, 100, 0.08);
            border: 1px solid var(--border);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== Editor Picks ===== */
        .editor-picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .editor-card {
            background: var(--card);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .editor-card .editor-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .editor-card .editor-label i {
            font-size: 0.7rem;
        }

        .editor-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .editor-card p {
            font-size: 0.85rem;
            color: var(--text);
            line-height: 1.7;
            flex: 1;
        }

        .editor-card .editor-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
            text-decoration: none;
        }

        .editor-card .editor-link:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }

        /* ===== Data Stories ===== */
        .data-stories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .data-story-card {
            background: var(--dark-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .data-story-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent));
            opacity: 0.8;
        }

        .data-story-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 12px 32px rgba(13, 27, 42, 0.3);
        }

        .data-story-card .story-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .data-story-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .data-story-card p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .data-story-card .story-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

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

        .story-stats .stat .num {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, #5ac8d8, #8ad0d8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .story-stats .stat .label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 10px 20px;
            border-radius: 30px;
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

        .tag-item:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .tag-item.hot {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: transparent;
        }

        .tag-item.hot:hover {
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-section {
            background: linear-gradient(145deg, var(--dark) 0%, #132238 50%, #0f2835 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 15% 20%, rgba(27, 138, 158, 0.2) 0%, transparent 40%),
                radial-gradient(circle at 85% 80%, rgba(255, 107, 74, 0.12) 0%, transparent 35%);
            pointer-events: none;
        }

        .subscribe-section .container {
            position: relative;
            z-index: 1;
        }

        .subscribe-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            max-width: 560px;
            margin: 0 auto;
            backdrop-filter: blur(8px);
            text-align: center;
        }

        .subscribe-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .subscribe-card p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.25);
            background: rgba(255, 255, 255, 0.12);
        }

        .subscribe-form button {
            padding: 12px 28px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            box-shadow: 0 6px 18px rgba(10, 92, 100, 0.3);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(10, 92, 100, 0.4);
            color: #fff;
        }

        .subscribe-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .subscribe-badges span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .subscribe-badges span i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-item summary {
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            list-style: none;
            transition: all var(--transition);
            user-select: none;
        }

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

        .faq-item summary .faq-num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(10, 92, 100, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            transition: all var(--transition);
        }

        .faq-item summary .faq-icon {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--text-light);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }

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

        .faq-item[open] summary .faq-num {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px 64px;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 52px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-text-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-text-footer span {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            text-decoration: none;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--primary-light);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-separator {
            margin: 0 6px;
            color: rgba(255, 255, 255, 0.25);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .page-hero h1 {
                font-size: 1.8rem;
            }

            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .editor-picks-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-stories-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .featured-article {
                grid-template-columns: 1fr;
                min-height: auto;
            }

            .featured-image {
                min-height: 260px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .nav-item {
                padding: 10px 14px;
                font-size: 0.82rem;
            }

            .nav-item i {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 0;
            }

            .header-search {
                order: 3;
                max-width: 100%;
                width: 100%;
                flex-basis: 100%;
            }

            .header-actions .btn-login {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-bar {
                display: none;
                background: #fff;
                border-bottom: 1px solid var(--border);
            }

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

            .nav-grid {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0;
                gap: 2px;
            }

            .nav-item {
                padding: 12px 16px;
                border-bottom: none;
                border-left: 3px solid transparent;
                font-size: 0.9rem;
                border-radius: 8px;
            }

            .nav-item.active {
                border-left-color: var(--primary);
                border-bottom-color: transparent;
                background: rgba(10, 92, 100, 0.05);
            }

            .page-hero {
                padding: 36px 0 44px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .hero-subtitle {
                font-size: 0.92rem;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-badge {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .section {
                padding: 40px 0;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 22px;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .section-desc {
                max-width: 100%;
                font-size: 0.88rem;
            }

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

            .article-card .card-image {
                height: 180px;
            }

            .editor-picks-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .data-story-card {
                padding: 20px;
            }

            .data-story-card h3 {
                font-size: 1.05rem;
            }

            .tag-cloud {
                gap: 8px;
            }

            .tag-item {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .subscribe-card {
                padding: 24px 18px;
            }

            .subscribe-card h2 {
                font-size: 1.3rem;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form button {
                width: 100%;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-item summary .faq-num {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }

            .faq-item .faq-answer {
                padding: 0 14px 14px 54px;
                font-size: 0.85rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                border-radius: 10px;
                font-size: 1.1rem;
            }

            .header-search {
                padding: 6px 12px;
                border-radius: 24px;
            }

            .header-search input {
                font-size: 0.8rem;
            }

            .btn-subscribe-header {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .page-hero h1 {
                font-size: 1.35rem;
            }

            .featured-image {
                min-height: 200px;
            }

            .featured-content {
                padding: 20px 16px;
            }

            .featured-content h2 {
                font-size: 1.2rem;
            }

            .card-body {
                padding: 16px 14px 18px;
            }

            .card-body h3 {
                font-size: 1.02rem;
            }

            .data-story-card {
                padding: 16px;
                border-radius: var(--radius-md);
            }

            .story-stats {
                gap: 14px;
            }

            .story-stats .stat .num {
                font-size: 1.15rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0A5C64;
            --primary-light: #1B8A9E;
            --primary-dark: #07555c;
            --accent: #FF6B4A;
            --accent-hover: #e55a3d;
            --dark: #0D1B2A;
            --dark-card: #132238;
            --bg: #F7F5F1;
            --card: #FFFFFF;
            --card-alt: #F0F7F7;
            --text: #33475B;
            --text-light: #6B7A8D;
            --text-dark: #1A2B3C;
            --border: rgba(10, 92, 100, 0.12);
            --border-strong: rgba(10, 92, 100, 0.2);
            --success: #2E9E6B;
            --warning: #F5B940;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
            --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
            --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
            --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --section-pad: 64px 0;
            --transition: 0.2s ease;
            --bs-primary: #0A5C64;
            --bs-primary-rgb: 10, 92, 100;
            --bs-body-bg: #F7F5F1;
            --bs-body-color: #33475B;
            --bs-font-sans-serif: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --bs-border-radius: 14px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Bootstrap 覆盖 ===== */
        .btn {
            border-radius: 12px;
            transition: all var(--transition);
            font-weight: 600;
            padding: 10px 24px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border: none;
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
        }

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

        .btn-outline-primary:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

        .form-control {
            border-radius: 10px;
            border: 1px solid #CBD5E0;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
        }

        .badge {
            border-radius: 100px;
            font-weight: 600;
            padding: 0.5em 1em;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 18px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        }

        .brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .brand-text span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid #d8dee4;
            border-radius: 30px;
            padding: 8px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
            background: #fff;
        }

        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 0;
            outline: none;
        }

        .header-search input::placeholder {
            color: #9aa8b6;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
            background: #fff;
        }

        .btn-login:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
        }

        .btn-subscribe-header {
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            border: none;
        }

        .btn-subscribe-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--primary);
            background: none;
            border: none;
            padding: 4px 8px;
        }

        .nav-bar {
            border-top: 1px solid rgba(10, 92, 100, 0.08);
            background: #fff;
            padding: 6px 0;
        }

        .nav-grid {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            border-radius: 10px;
            transition: all var(--transition);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            text-decoration: none;
        }

        .nav-item i {
            font-size: 1.1rem;
        }

        .nav-item:hover {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.05);
        }

        .nav-item.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: transparent;
        }

        /* ===== Hero ===== */
        .hero-ranking {
            background: linear-gradient(135deg, var(--dark) 0%, #162B3D 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
            color: #E9EDF2;
        }

        .hero-ranking::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .hero-ranking::after {
            content: '';
            position: absolute;
            bottom: -45%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

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

        .hero-ranking .badge-holder {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-ranking .data-tag {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-ranking h1 {
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-ranking h1 span {
            background: linear-gradient(135deg, #FF6B4A, #F5B940);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-ranking p.lead {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-ranking .hero-stats-preview {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            backdrop-filter: blur(8px);
        }

        .hero-ranking .preview-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            min-width: 140px;
        }

        .hero-ranking .preview-item .preview-rank {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FF6B4A;
            min-width: 36px;
            text-align: center;
        }

        .hero-ranking .preview-item .preview-name {
            font-weight: 600;
            color: #fff;
            font-size: 0.9rem;
        }

        .hero-ranking .preview-item .preview-change {
            font-size: 0.75rem;
            font-weight: 600;
            color: #2E9E6B;
        }

        .hero-ranking .preview-item .preview-change.down {
            color: #FF6B4A;
        }

        .hero-ranking .preview-item .preview-change.flat {
            color: #F5B940;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--section-pad);
        }

        .section-alt {
            background: #FFFFFF;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-title-wrap .action-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            white-space: nowrap;
        }

        .section-title-wrap .action-link:hover {
            text-decoration: underline;
            color: var(--accent-hover);
        }

        /* ===== 排名列表 ===== */
        .ranking-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .rank-tab {
            padding: 10px 20px;
            border-radius: 100px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .rank-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .rank-tab.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-btn);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .rank-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .rank-number {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            flex-shrink: 0;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            border: 1px solid rgba(10, 92, 100, 0.2);
        }

        .rank-number.rank-1 {
            background: linear-gradient(135deg, #F5B940, #FF6B4A);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(245, 185, 64, 0.3);
        }

        .rank-number.rank-2 {
            background: linear-gradient(135deg, #C0C5CE, #8E9BA8);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(142, 155, 168, 0.25);
        }

        .rank-number.rank-3 {
            background: linear-gradient(135deg, #D48B5C, #B8713F);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(184, 113, 63, 0.25);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .rank-detail {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .rank-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            flex-shrink: 0;
        }

        .rank-stat-item {
            text-align: center;
            min-width: 56px;
        }

        .rank-stat-value {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary);
        }

        .rank-stat-label {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        .rank-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 4px 10px;
            border-radius: 100px;
        }

        .rank-change.up {
            color: var(--success);
            background: rgba(46, 158, 107, 0.1);
        }

        .rank-change.down {
            color: var(--accent);
            background: rgba(255, 107, 74, 0.1);
        }

        .rank-change.flat {
            color: var(--warning);
            background: rgba(245, 185, 64, 0.12);
        }

        /* ===== 榜单解读 ===== */
        .insight-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            height: 100%;
        }

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

        .insight-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .insight-card .card-body {
            padding: 22px 24px;
        }

        .insight-card .card-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .insight-card .card-text {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .insight-card .card-badge {
            display: inline-block;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            margin-bottom: 10px;
        }

        /* ===== 隐藏数据看点 ===== */
        .hidden-card {
            background: var(--card-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition);
            height: 100%;
        }

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

        .hidden-card .hidden-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }

        .hidden-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .hidden-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 数据对比 ===== */
        .compare-table-wrap {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .compare-table th {
            background: var(--dark);
            color: #fff;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .compare-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(10, 92, 100, 0.06);
            color: var(--text);
            text-align: left;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tr:hover td {
            background: rgba(10, 92, 100, 0.03);
        }

        .compare-table .highlight-val {
            font-weight: 700;
            color: var(--primary);
        }

        .compare-table .highlight-val.positive {
            color: var(--success);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item summary {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            list-style: none;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            transition: all var(--transition);
            user-select: none;
        }

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

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

        .faq-item summary .faq-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(10, 92, 100, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .faq-item summary .faq-icon {
            margin-left: auto;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 22px 20px 68px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #162B3D 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: 10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            backdrop-filter: blur(12px);
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-card h2 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 24px;
        }

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

        .cta-card .form-control {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 10px;
        }

        .cta-card .form-control::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-card .form-control:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--primary-light);
            color: #fff;
        }

        .cta-card .btn-primary {
            width: 100%;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            box-shadow: 0 8px 24px rgba(255, 107, 74, 0.3);
        }

        .cta-card .btn-primary:hover {
            box-shadow: 0 12px 28px rgba(255, 107, 74, 0.4);
        }

        .cta-note {
            text-align: center;
            margin-top: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== 专题入口 ===== */
        .feature-entry-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .feature-entry-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .feature-entry-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-entry-card .card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .feature-entry-card .card-text {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .feature-entry-card .entry-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            align-self: flex-start;
        }

        .feature-entry-card .entry-link:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }

        /* ===== 数据徽章行 ===== */
        .badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 18px 0 8px;
        }

        .data-badge {
            background: rgba(10, 92, 100, 0.08);
            border: 1px solid rgba(10, 92, 100, 0.2);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
            min-height: 32px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .data-badge:hover {
            background: rgba(10, 92, 100, 0.12);
        }

        .data-badge .badge-val {
            font-size: 1.05rem;
            font-weight: 700;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #C2CEDB;
            padding-top: 48px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
        }

        .footer-brand p {
            color: #9AA8B8;
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }

        .brand-text-footer {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-text-footer span {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: #9AA8B8;
            text-decoration: none;
            transition: color var(--transition);
            font-size: 0.88rem;
        }

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

        .footer-contact p {
            color: #9AA8B8;
            font-size: 0.88rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--primary-light);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: #7A8A9A;
        }

        .footer-bottom a {
            color: #9AA8B8;
            text-decoration: none;
            transition: color var(--transition);
        }

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

        .footer-separator {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-search {
                max-width: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px 0;
                --radius-lg: 14px;
                --radius-xl: 16px;
            }

            .header-search {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .nav-bar {
                display: none;
                padding: 8px 0;
            }

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

            .nav-grid {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }

            .nav-item {
                padding: 12px 16px;
                border-bottom: 1px solid rgba(10, 92, 100, 0.06);
                border-radius: 8px;
            }

            .nav-item.active {
                border-bottom-color: var(--primary);
                background: rgba(10, 92, 100, 0.05);
            }

            .hero-ranking {
                padding: 36px 0 44px;
            }

            .hero-ranking .hero-stats-preview {
                padding: 14px 16px;
                gap: 8px;
            }

            .hero-ranking .preview-item {
                min-width: 120px;
                padding: 4px 10px;
            }

            .rank-card {
                padding: 12px 14px;
                gap: 12px;
                flex-wrap: wrap;
            }

            .rank-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                border-radius: 10px;
            }

            .rank-stats {
                gap: 10px;
                width: 100%;
                justify-content: flex-start;
            }

            .rank-stat-item {
                min-width: 44px;
            }

            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .header-top {
                gap: 10px;
                padding: 10px 0;
            }

            .brand-text {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .btn-login,
            .btn-subscribe-header {
                padding: 6px 12px;
                font-size: 0.78rem;
                border-radius: 8px;
            }

            .hero-ranking h1 {
                font-size: 1.7rem;
            }

            .hero-ranking .preview-item {
                min-width: 100%;
            }

            .ranking-tabs {
                gap: 6px;
            }

            .rank-tab {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.92rem;
            }

            .faq-answer {
                padding: 0 16px 16px 52px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0A5C64;
            --primary-light: #1B8A9E;
            --primary-dark: #07555c;
            --accent: #FF6B4A;
            --accent-hover: #e55a3d;
            --dark: #0D1B2A;
            --dark-card: #132238;
            --bg: #F7F5F1;
            --card: #FFFFFF;
            --card-alt: #F0F7F7;
            --text: #33475B;
            --text-light: #6B7A8D;
            --text-dark: #1A2B3C;
            --border: rgba(10, 92, 100, 0.12);
            --border-strong: rgba(10, 92, 100, 0.2);
            --success: #2E9E6B;
            --warning: #F5B940;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-xl: 22px;
            --shadow-sm: 0 2px 8px rgba(13, 27, 42, 0.05);
            --shadow-md: 0 6px 20px rgba(13, 27, 42, 0.06);
            --shadow-lg: 0 10px 30px rgba(13, 27, 42, 0.1);
            --shadow-btn: 0 6px 18px rgba(10, 92, 100, 0.2);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --section-pad: 64px 0;
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(13, 27, 42, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 18px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(10, 92, 100, 0.25);
        }
        .brand-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .brand-text span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-search {
            flex: 1;
            max-width: 360px;
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid #d8dee4;
            border-radius: 30px;
            padding: 8px 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
            background: #fff;
        }
        .header-search i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 0;
        }
        .header-search input::placeholder {
            color: #9aa8b6;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(10, 92, 100, 0.06);
            border-color: var(--primary);
        }
        .btn-subscribe-header {
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
        }
        .btn-subscribe-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.25);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(10, 92, 100, 0.06);
        }

        /* Icon Grid Nav */
        .nav-bar {
            border-top: 1px solid var(--border);
            padding: 8px 0;
        }
        .nav-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-item i {
            font-size: 1.05rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-item:hover {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.05);
        }
        .nav-item:hover i {
            color: var(--primary);
        }
        .nav-item.active {
            color: var(--primary);
            background: rgba(10, 92, 100, 0.06);
        }
        .nav-item.active i {
            color: var(--primary);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 6px;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Page Intro / Category H1 ===== */
        .page-intro {
            padding: 32px 0 40px;
            background: linear-gradient(150deg, #f0f7f7 0%, #f7f5f1 60%, #fdf6f3 100%);
            border-bottom: 1px solid var(--border);
        }
        .page-intro-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }
        .page-intro-content h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .page-intro-content h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-intro-content p {
            font-size: 1rem;
            color: var(--text);
            max-width: 640px;
            line-height: 1.8;
        }
        .intro-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 360px;
            justify-content: flex-end;
        }
        .intro-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 30px;
            background: rgba(10, 92, 100, 0.08);
            border: 1px solid rgba(10, 92, 100, 0.18);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .intro-badge i {
            font-size: 0.75rem;
        }
        .intro-badge.accent {
            background: rgba(255, 107, 74, 0.08);
            border-color: rgba(255, 107, 74, 0.2);
            color: var(--accent);
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--section-pad);
        }
        .section-alt {
            background: var(--card-alt);
        }
        .section-title {
            font-size: 1.55rem;
            font-weight: 650;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header .title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .title-row .more-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .title-row .more-link:hover {
            text-decoration: underline;
            color: var(--accent-hover);
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }
        .filter-btn {
            padding: 8px 18px;
            border-radius: 30px;
            border: 1px solid var(--border-strong);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(10, 92, 100, 0.04);
        }
        .filter-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-color: transparent;
            box-shadow: var(--shadow-btn);
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary-light), rgba(10, 92, 100, 0.08));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 22px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: default;
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border-strong);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 20px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary-light);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(10, 92, 100, 0.2);
        }
        .timeline-item.feature::before {
            background: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.2);
        }
        .timeline-item.version::before {
            background: var(--success);
            box-shadow: 0 0 0 3px rgba(46, 158, 107, 0.2);
        }
        .timeline-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 6px;
        }
        .timeline-date {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(10, 92, 100, 0.07);
            padding: 2px 10px;
            border-radius: 20px;
        }
        .timeline-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-light);
            background: var(--card-alt);
            padding: 2px 10px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .timeline-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.7;
        }
        .timeline-item .timeline-link {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
        }
        .timeline-item .timeline-link:hover {
            text-decoration: underline;
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            background: linear-gradient(135deg, rgba(10, 92, 100, 0.1), rgba(27, 138, 158, 0.15));
            color: var(--primary);
        }
        .feature-card.accent .feature-icon {
            background: linear-gradient(135deg, rgba(255, 107, 74, 0.1), rgba(255, 107, 74, 0.18));
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.7;
            flex-grow: 1;
        }
        .feature-status {
            align-self: flex-start;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(46, 158, 107, 0.1);
            color: var(--success);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .feature-status.pending {
            background: rgba(245, 185, 64, 0.15);
            color: #b07d20;
        }

        /* ===== Version Records ===== */
        .version-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 16px;
        }
        .version-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .version-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .version-num {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            line-height: 1.1;
        }
        .version-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .version-info p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.65;
        }
        .version-info .version-date {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            margin-top: 4px;
        }

        /* ===== Platform Stats ===== */
        .stats-band {
            background: var(--dark);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(27, 138, 158, 0.12), transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(255, 107, 74, 0.06), transparent 50%);
            pointer-events: none;
        }
        .stat-item {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(135deg, #4dc0d0, #7ed8e8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: #b0c0cc;
            margin-top: 4px;
        }

        /* ===== Editor Picks / Category Entry ===== */
        .picks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .pick-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-decoration: none;
            display: block;
        }
        .pick-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .pick-card .pick-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .pick-card .pick-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .pick-card:hover .pick-img img {
            transform: scale(1.05);
        }
        .pick-card .pick-body {
            padding: 18px 20px;
        }
        .pick-card .pick-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .pick-card .pick-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.65;
        }
        .pick-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.08), transparent 55%);
            pointer-events: none;
        }
        .subscribe-info {
            position: relative;
            z-index: 1;
        }
        .subscribe-info h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .subscribe-info p {
            font-size: 0.95rem;
            color: #cce5ea;
            line-height: 1.7;
            max-width: 420px;
        }
        .subscribe-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .subscribe-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 5px 12px;
            border-radius: 20px;
        }
        .subscribe-form-wrap {
            position: relative;
            z-index: 1;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }
        .subscribe-form-wrap h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .subscribe-form-wrap .form-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .subscribe-form-wrap .form-group {
            margin-bottom: 12px;
        }
        .subscribe-form-wrap input[type="email"] {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #d8dee4;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form-wrap input[type="email"]:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(27, 138, 158, 0.15);
        }
        .subscribe-form-wrap .btn-submit {
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-btn);
            border: none;
            cursor: pointer;
        }
        .subscribe-form-wrap .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(10, 92, 100, 0.3);
        }
        .form-note {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 8px;
            text-align: center;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            padding: 16px 20px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            user-select: none;
            font-size: 0.95rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(10, 92, 100, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 107, 74, 0.1);
            color: var(--accent);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--text);
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #c8d4dc;
            padding: 48px 0 24px;
            margin-top: 0;
            border-top: 3px solid var(--primary-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-text-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .brand-text-footer span {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: #9fb0bb;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: #9fb0bb;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: #9fb0bb;
            margin-bottom: 8px;
        }
        .footer-contact i {
            color: var(--primary-light);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            font-size: 0.78rem;
            color: #7d8e99;
        }
        .footer-bottom a {
            color: #9fb0bb;
            font-size: 0.78rem;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-separator {
            margin: 0 6px;
            color: #4a5a66;
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 2px;
            }
            .nav-grid::-webkit-scrollbar {
                display: none;
            }
            .nav-item {
                padding: 8px 12px;
                font-size: 0.82rem;
            }
            .page-intro-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .intro-badges {
                justify-content: flex-start;
                max-width: 100%;
            }
            .subscribe-cta {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-actions .btn-login,
            .header-actions .btn-subscribe-header {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-bar {
                display: none;
                padding: 8px 0 12px;
            }
            .nav-bar.open {
                display: block;
            }
            .nav-grid {
                flex-direction: column;
                overflow-x: visible;
                gap: 4px;
            }
            .nav-item {
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .nav-item.active::after {
                display: none;
            }
            .section {
                padding: 40px 0;
            }
            .page-intro {
                padding: 24px 0 28px;
            }
            .page-intro-content h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline::before {
                left: 6px;
            }
            .timeline-item::before {
                left: -21px;
                width: 8px;
                height: 8px;
            }
            .feature-grid,
            .picks-grid,
            .version-list {
                grid-template-columns: 1fr;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px 20px;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .subscribe-cta {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .subscribe-form-wrap {
                padding: 20px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .brand-text {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .page-intro-content h1 {
                font-size: 1.4rem;
            }
            .intro-badges {
                gap: 6px;
            }
            .intro-badge {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .timeline-item {
                padding: 14px 16px;
            }
            .timeline-meta {
                gap: 6px;
            }
            .stats-band {
                grid-template-columns: 1fr 1fr;
                padding: 20px 14px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .subscribe-cta {
                padding: 20px 14px;
            }
            .subscribe-info h2 {
                font-size: 1.3rem;
            }
            .footer-grid {
                gap: 16px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}