/* roulang page: index */
:root {
            --bg-base: #070d19;
            --bg-surface: rgba(12, 24, 48, 0.65);
            --bg-surface-solid: #0c1830;
            --bg-subtle: #112246;
            --primary: #00d2ff;
            --primary-glow: rgba(0, 210, 255, 0.4);
            --primary-glow-subtle: rgba(0, 210, 255, 0.15);
            --accent-purple: #7928ca;
            --accent-cyan: #00f5d4;
            --accent-glow: rgba(121, 40, 202, 0.35);
            --text-heading: #ffffff;
            --text-body: #cbd5e1;
            --text-muted: #64748b;
            --border-glass: rgba(0, 210, 255, 0.15);
            --border-glass-hover: rgba(0, 210, 255, 0.5);
            --card-radius: 16px;
            --btn-radius: 50px;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base Setup */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            background-color: var(--bg-base);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.68;
            letter-spacing: 0.2px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-smooth);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }
        .container {
            max-width: 1320px;
        }

        /* Typography & Section Titles */
        .section-header {
            margin-bottom: 3.5rem;
            position: relative;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--btn-radius);
            background: rgba(0, 210, 255, 0.08);
            border: 1px solid rgba(0, 210, 255, 0.25);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .section-tag i {
            font-size: 0.75rem;
        }
        .section-title {
            color: var(--text-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            color: var(--text-body);
            font-size: 1.05rem;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        /* Glassmorphism Cards */
        .glass-card {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 2rem;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.4), transparent);
            opacity: 0;
            transition: var(--transition-smooth);
        }
        .glass-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(0, 210, 255, 0.12);
        }
        .glass-card:hover::before {
            opacity: 1;
        }

        /* Buttons & Actions */
        .btn-glow-primary {
            background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
            color: #030a16;
            font-weight: 600;
            padding: 0.8rem 2.2rem;
            border-radius: var(--btn-radius);
            border: none;
            box-shadow: 0 0 20px var(--primary-glow);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .btn-glow-primary:hover {
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
        }
        .btn-glow-outline {
            background: rgba(12, 24, 48, 0.8);
            color: var(--text-heading);
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: var(--btn-radius);
            border: 1px solid var(--primary);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .btn-glow-outline:hover {
            color: var(--primary);
            background: rgba(0, 210, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px var(--primary-glow-subtle);
            transform: translateY(-2px);
        }

        /* Top Header Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(7, 13, 25, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glass);
            padding: 0.85rem 0;
            transition: var(--transition-smooth);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-heading);
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 0 12px var(--primary-glow);
            font-size: 1.1rem;
        }
        .brand-logo span.brand-text {
            background: linear-gradient(90deg, #ffffff 40%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .navbar-nav .nav-link {
            color: #94a3b8;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            position: relative;
            transition: var(--transition-smooth);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--primary);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--primary);
            box-shadow: 0 0 8px var(--primary);
            border-radius: 2px;
        }
        .header-search {
            position: relative;
            width: 220px;
        }
        .header-search input {
            background: rgba(17, 34, 70, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: var(--btn-radius);
            color: #fff;
            font-size: 0.85rem;
            padding: 0.45rem 1rem 0.45rem 2.2rem;
            width: 100%;
            outline: none;
            transition: var(--transition-smooth);
        }
        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 12px var(--primary-glow-subtle);
            background: rgba(17, 34, 70, 0.9);
        }
        .header-search i {
            position: absolute;
            left: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .navbar-toggler {
            border-color: var(--border-glass);
            color: var(--text-heading);
            padding: 0.4rem 0.7rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* Hero Section */
        .hero-banner {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding: 140px 0 70px;
            background-image: linear-gradient(180deg, rgba(7, 13, 25, 0.4) 0%, rgba(7, 13, 25, 0.95) 100%), url('/assets/images/9e806001bccb7cd4.jpg');
            background-size: cover;
            background-position: center top;
            overflow: hidden;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to bottom, transparent, var(--bg-base));
            pointer-events: none;
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.22;
            color: #fff;
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, #00d2ff 0%, #00f5d4 50%, #9b51e0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 2.4rem;
            max-width: 620px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 2.2rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            padding: 6px 14px;
            background: rgba(12, 24, 48, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            color: #e2e8f0;
        }
        .hero-preview-box {
            position: relative;
            border-radius: 20px;
            padding: 10px;
            background: linear-gradient(145deg, rgba(0, 210, 255, 0.3), rgba(121, 40, 202, 0.15));
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7);
        }
        .hero-preview-box img {
            border-radius: 14px;
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
        }
        .preview-floating-status {
            position: absolute;
            bottom: 25px;
            left: 25px;
            right: 25px;
            background: rgba(7, 13, 25, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            display: inline-block;
            margin-right: 8px;
        }

        /* Pill Subnav Bar */
        .pill-subnav-section {
            padding: 1.5rem 0 2rem;
            position: relative;
            z-index: 10;
        }
        .pill-scroll-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            overflow-x: auto;
            padding: 8px 4px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .pill-scroll-wrapper::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(12, 24, 48, 0.8);
            border: 1px solid var(--border-glass);
            color: #94a3b8;
            transition: var(--transition-smooth);
            cursor: pointer;
        }
        .nav-chip:hover {
            color: var(--primary);
            border-color: rgba(0, 210, 255, 0.4);
            background: rgba(17, 34, 70, 0.9);
        }
        .nav-chip.active {
            background: linear-gradient(135deg, rgba(0, 210, 255, 0.25), rgba(0, 153, 255, 0.35));
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 0 14px rgba(0, 210, 255, 0.3);
        }

        /* Metrics Board */
        .metrics-board {
            padding: 5rem 0;
        }
        .metric-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.8rem;
            text-align: center;
            position: relative;
            transition: var(--transition-smooth);
        }
        .metric-card:hover {
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(0, 210, 255, 0.15);
            transform: translateY(-4px);
        }
        .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 0.5rem;
            background: linear-gradient(180deg, #ffffff 40%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .metric-label {
            font-size: 1.05rem;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 0.4rem;
        }
        .metric-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* Matrix Service */
        .service-matrix {
            padding: 5rem 0;
        }
        .matrix-icon-box {
            width: 58px;
            height: 58px;
            border-radius: 14px;
            background: rgba(0, 210, 255, 0.1);
            border: 1px solid rgba(0, 210, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
            transition: var(--transition-smooth);
        }
        .glass-card:hover .matrix-icon-box {
            background: var(--primary);
            color: #030a16;
            box-shadow: 0 0 20px var(--primary-glow);
        }

        /* Comparison Slider Section */
        .comparison-section {
            padding: 5rem 0;
        }
        .contrast-box {
            border-radius: var(--card-radius);
            padding: 2.2rem;
            height: 100%;
            position: relative;
        }
        .contrast-bad {
            background: rgba(30, 41, 59, 0.4);
            border: 1px solid rgba(148, 163, 184, 0.2);
        }
        .contrast-good {
            background: rgba(12, 24, 48, 0.85);
            border: 1px solid var(--primary);
            box-shadow: 0 0 25px rgba(0, 210, 255, 0.18);
        }
        .contrast-badge-bad {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .contrast-badge-good {
            background: rgba(0, 245, 212, 0.15);
            color: var(--accent-cyan);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .contrast-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0 0;
        }
        .contrast-list li {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
        }

        /* Timeline Milestones */
        .milestone-section {
            padding: 5rem 0;
        }
        .timeline-container {
            position: relative;
            padding: 2rem 0;
        }
        .timeline-container::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent-purple), transparent);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 3.5rem;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-point {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #030a16;
            border: 3px solid var(--primary);
            box-shadow: 0 0 12px var(--primary);
            position: absolute;
            left: 50%;
            top: 24px;
            transform: translateX(-50%);
            z-index: 2;
        }
        .timeline-content {
            width: 45%;
        }
        .timeline-left {
            margin-right: auto;
            text-align: right;
        }
        .timeline-right {
            margin-left: auto;
        }
        .timeline-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 1.6rem 2rem;
            display: inline-block;
            text-align: left;
            width: 100%;
        }

        /* Ranking & Newsfeed */
        .ranking-news-section {
            padding: 5rem 0;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex: center;
            justify-content: space-between;
            padding: 1rem 1.4rem;
            background: rgba(12, 24, 48, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            transition: var(--transition-smooth);
        }
        .rank-item:hover {
            background: rgba(17, 34, 70, 0.9);
            border-color: rgba(0, 210, 255, 0.4);
            transform: translateX(4px);
        }
        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.05);
            color: #94a3b8;
        }
        .rank-top-1 { background: linear-gradient(135deg, #ffd700, #ff8800); color: #000; box-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }
        .rank-top-2 { background: linear-gradient(135deg, #e0e0e0, #9e9e9e); color: #000; box-shadow: 0 0 10px rgba(224, 224, 224, 0.4); }
        .rank-top-3 { background: linear-gradient(135deg, #cd7f32, #8b4513); color: #fff; box-shadow: 0 0 10px rgba(205, 127, 50, 0.4); }
        .news-card-img {
            height: 200px;
            object-fit: cover;
            border-radius: 12px;
            width: 100%;
            margin-bottom: 1.2rem;
        }

        /* Scenarios Showcase */
        .scenarios-section {
            padding: 5rem 0;
        }
        .scenario-box {
            position: relative;
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            background: var(--bg-surface);
            height: 100%;
        }
        .scenario-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: var(--transition-smooth);
        }
        .scenario-box:hover .scenario-img {
            transform: scale(1.04);
        }
        .scenario-body {
            padding: 1.8rem;
        }

        /* Assurance Section */
        .assurance-section {
            padding: 5rem 0;
            background: linear-gradient(180deg, rgba(7, 13, 25, 0) 0%, rgba(12, 24, 48, 0.5) 50%, rgba(7, 13, 25, 0) 100%);
        }
        .assurance-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 2.2rem;
            text-align: center;
            transition: var(--transition-smooth);
        }
        .assurance-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 12px 30px rgba(0, 245, 212, 0.15);
            transform: translateY(-4px);
        }
        .assurance-icon {
            font-size: 2.6rem;
            color: var(--accent-cyan);
            margin-bottom: 1.2rem;
            display: inline-block;
        }

        /* Reviews Column */
        .reviews-section {
            padding: 5rem 0;
        }
        .review-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 1.8rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
            transition: var(--transition-smooth);
        }
        .review-card:hover {
            border-color: var(--primary);
            box-shadow: 0 12px 28px rgba(0, 210, 255, 0.12);
        }
        .review-user-box {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 1.5rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
        }

        /* Quick Guide Steps */
        .guide-section {
            padding: 5rem 0;
        }
        .step-box {
            position: relative;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 2.2rem 1.8rem;
            height: 100%;
            transition: var(--transition-smooth);
        }
        .step-box:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0, 210, 255, 0.15);
        }
        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(0, 210, 255, 0.15);
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.4rem;
        }

        /* FAQ Accordion */
        .faq-section {
            padding: 5rem 0;
        }
        .accordion-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            margin-bottom: 1rem;
            border-radius: 12px !important;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 600;
            padding: 1.4rem 1.6rem;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 210, 255, 0.08);
            color: var(--primary);
            border-bottom: 1px solid var(--border-glass);
        }
        .accordion-button::after {
            filter: invert(1) hue-rotate(170deg);
            transition: var(--transition-smooth);
        }
        .accordion-body {
            background: rgba(12, 24, 48, 0.5);
            color: var(--text-body);
            font-size: 0.98rem;
            line-height: 1.8;
            padding: 1.4rem 1.6rem;
        }

        /* Feedback Form Section */
        .feedback-section {
            padding: 5rem 0 7rem;
        }
        .form-glass-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            max-width: 860px;
            margin: 0 auto;
        }
        .form-control, .form-select {
            background: rgba(17, 34, 70, 0.7);
            border: 1px solid var(--border-glass);
            color: #fff;
            border-radius: 10px;
            padding: 0.8rem 1.2rem;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
        }
        .form-control:focus, .form-select:focus {
            background: rgba(17, 34, 70, 0.95);
            border-color: var(--primary);
            box-shadow: 0 0 15px var(--primary-glow-subtle);
            color: #fff;
        }
        .form-label {
            color: #e2e8f0;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
        }

        /* Site Footer */
        .site-footer {
            background: #040810;
            border-top: 1px solid var(--border-glass);
            padding: 4.5rem 0 2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-heading {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.4rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 3.5rem;
            padding-top: 1.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
        }

        /* Responsive Breakpoints */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .timeline-container::before {
                left: 20px;
            }
            .timeline-point {
                left: 20px;
            }
            .timeline-content {
                width: calc(100% - 50px);
                margin-left: 50px !important;
                text-align: left !important;
            }
            .header-search {
                width: 100%;
                margin: 1rem 0;
            }
            .navbar-collapse {
                background: rgba(7, 13, 25, 0.98);
                border: 1px solid var(--border-glass);
                padding: 1.5rem;
                border-radius: 12px;
                margin-top: 10px;
            }
        }
        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .form-glass-card {
                padding: 1.8rem;
            }
            .metric-number {
                font-size: 2.3rem;
            }
        }

/* roulang page: category2 */
:root {
      --bg-base: #070d19;
      --bg-surface: rgba(12, 24, 48, 0.65);
      --bg-surface-solid: #0c1830;
      --bg-subtle: #112246;
      --primary: #00d2ff;
      --primary-glow: rgba(0, 210, 255, 0.4);
      --primary-glow-subtle: rgba(0, 210, 255, 0.15);
      --accent-purple: #7928ca;
      --accent-cyan: #00f5d4;
      --accent-glow: rgba(121, 40, 202, 0.35);
      --text-heading: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #64748b;
      --border-glass: rgba(0, 210, 255, 0.15);
      --border-glass-hover: rgba(0, 210, 255, 0.5);
      --card-radius: 16px;
      --btn-radius: 50px;
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.68;
      letter-spacing: 0.2px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--primary);
    }
    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }
    .container {
      max-width: 1320px;
    }

    /* Top Header Navbar */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      background: rgba(7, 13, 25, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glass);
      padding: 0.85rem 0;
      transition: var(--transition-smooth);
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: var(--text-heading);
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 0 15px var(--primary-glow);
    }
    .brand-logo .brand-text {
      background: linear-gradient(90deg, #ffffff 40%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .navbar-nav .nav-link {
      color: var(--text-body);
      font-weight: 500;
      padding: 0.5rem 1.1rem !important;
      position: relative;
      transition: var(--transition-smooth);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: #fff;
    }
    .navbar-nav .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 1.1rem;
      right: 1.1rem;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 10px var(--primary);
      border-radius: 2px;
    }
    .header-search {
      position: relative;
    }
    .header-search input {
      background: rgba(12, 24, 48, 0.85);
      border: 1px solid var(--border-glass);
      border-radius: var(--btn-radius);
      color: #fff;
      padding: 0.45rem 1rem 0.45rem 2.4rem;
      font-size: 0.88rem;
      outline: none;
      width: 210px;
      transition: var(--transition-smooth);
    }
    .header-search input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px var(--primary-glow);
      width: 250px;
    }
    .header-search i {
      position: absolute;
      left: 0.9rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    /* Buttons */
    .btn-glow-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
      color: #030a16;
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: var(--btn-radius);
      border: none;
      box-shadow: 0 0 20px var(--primary-glow);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-glow-primary:hover {
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
    }
    .btn-glow-outline {
      background: rgba(12, 24, 48, 0.8);
      color: var(--text-heading);
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: var(--btn-radius);
      border: 1px solid var(--primary);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-glow-outline:hover {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--accent-cyan);
      box-shadow: 0 0 18px var(--primary-glow-subtle);
      transform: translateY(-2px);
    }

    /* Filter Header Section */
    .catalog-header-zone {
      margin-top: 85px;
      padding: 3rem 0 1.5rem;
      background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.1) 0%, transparent 60%);
    }
    .filter-card {
      background: var(--bg-surface);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 2rem;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 1rem;
    }
    .filter-row:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
      min-width: 65px;
    }
    .filter-pill {
      font-size: 0.85rem;
      color: var(--text-body);
      padding: 4px 14px;
      border-radius: var(--btn-radius);
      border: 1px solid transparent;
      background: rgba(255, 255, 255, 0.04);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-pill:hover {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.08);
      border-color: rgba(0, 210, 255, 0.2);
    }
    .filter-pill.active {
      color: #030a16;
      font-weight: 600;
      background: var(--primary);
      box-shadow: 0 0 12px var(--primary-glow);
    }

    /* Media Posters Grid */
    .catalog-poster-card {
      background: var(--bg-surface);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      overflow: hidden;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
    }
    .catalog-poster-card:hover {
      transform: translateY(-6px);
      border-color: var(--border-glass-hover);
      box-shadow: 0 16px 36px rgba(0, 210, 255, 0.16);
    }
    .poster-img-wrap {
      position: relative;
      width: 100%;
      padding-top: 140%;
      overflow: hidden;
      background: #0d1e3d;
    }
    .poster-img-wrap img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .catalog-poster-card:hover .poster-img-wrap img {
      transform: scale(1.08);
    }
    .poster-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(7, 13, 25, 0.8);
      border: 1px solid rgba(0, 210, 255, 0.3);
      backdrop-filter: blur(8px);
      color: var(--primary);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 6px;
    }
    .poster-quality {
      position: absolute;
      bottom: 10px;
      left: 10px;
      background: linear-gradient(135deg, var(--accent-purple), #2563eb);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 7px;
      border-radius: 4px;
    }
    .poster-ep-status {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.75);
      color: var(--accent-cyan);
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .poster-info {
      padding: 1.2rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 0.4rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .poster-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      margin-bottom: 0.8rem;
    }
    .poster-desc {
      font-size: 0.84rem;
      color: var(--text-body);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 1rem;
    }

    /* Rank List Section */
    .rank-card-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px;
      padding: 0.9rem 1.2rem;
      display: flex;
      align-items: center;
      gap: 15px;
      transition: var(--transition-smooth);
    }
    .rank-card-item:hover {
      border-color: var(--border-glass-hover);
      background: rgba(17, 34, 70, 0.7);
      transform: translateX(4px);
    }
    .rank-num {
      font-size: 1.4rem;
      font-weight: 900;
      width: 32px;
      color: var(--text-muted);
      text-align: center;
      line-height: 1;
    }
    .rank-num.top-1 { color: #ff3366; }
    .rank-num.top-2 { color: #ff9900; }
    .rank-num.top-3 { color: #00d2ff; }
    .rank-info {
      flex-grow: 1;
      overflow: hidden;
    }
    .rank-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-heading);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 2px;
    }
    .rank-tag {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .rank-score {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--accent-cyan);
    }

    /* Tech Specs Metric */
    .metric-spec-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 1.8rem;
      position: relative;
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .metric-spec-box:hover {
      border-color: var(--border-glass-hover);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px rgba(0, 210, 255, 0.1);
    }
    .metric-spec-icon {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 1rem;
      display: inline-block;
    }
    .metric-spec-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-heading);
      letter-spacing: -0.5px;
      margin-bottom: 0.3rem;
    }
    .metric-spec-label {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* Curated Banner */
    .curated-banner {
      background: linear-gradient(135deg, rgba(12, 24, 48, 0.9) 0%, rgba(17, 34, 70, 0.8) 100%), url('/assets/images/e82cc9600e3ad0bd.jpg') center/cover no-repeat;
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 3.5rem 3rem;
      position: relative;
      overflow: hidden;
    }
    .curated-banner::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(circle at 15% 50%, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }

    /* FAQ Accordion */
    .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-button {
      background: transparent;
      color: var(--text-heading);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 1.25rem 1.5rem;
      box-shadow: none !important;
      border: none;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(0, 210, 255, 0.06);
      color: var(--primary);
      border-left: 3px solid var(--primary);
    }
    .accordion-button::after {
      filter: invert(1) hue-rotate(180deg);
      transition: transform 0.3s ease;
    }
    .accordion-body {
      background: transparent;
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.75;
      padding: 0.5rem 1.5rem 1.5rem;
    }

    /* Footer */
    .site-footer {
      background: #040812;
      border-top: 1px solid var(--border-glass);
      padding: 4.5rem 0 2rem;
      margin-top: 5rem;
    }
    .footer-heading {
      color: var(--text-heading);
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1.4rem;
      position: relative;
      padding-left: 12px;
    }
    .footer-heading::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 3px;
      background: var(--primary);
      border-radius: 2px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.75rem;
    }
    .footer-links a {
      color: var(--text-body);
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 1.8rem;
      margin-top: 3.5rem;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    @media (max-width: 991.98px) {
      .catalog-header-zone {
        padding-top: 2rem;
      }
      .curated-banner {
        padding: 2.2rem 1.5rem;
      }
    }

/* roulang page: category1 */
:root {
      --bg-base: #070d19;
      --bg-surface: rgba(12, 24, 48, 0.65);
      --bg-surface-solid: #0c1830;
      --bg-subtle: #112246;
      --primary: #00d2ff;
      --primary-glow: rgba(0, 210, 255, 0.4);
      --primary-glow-subtle: rgba(0, 210, 255, 0.15);
      --accent-purple: #7928ca;
      --accent-cyan: #00f5d4;
      --accent-glow: rgba(121, 40, 202, 0.35);
      --text-heading: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #64748b;
      --border-glass: rgba(0, 210, 255, 0.15);
      --border-glass-hover: rgba(0, 210, 255, 0.5);
      --card-radius: 16px;
      --btn-radius: 50px;
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.68;
      letter-spacing: 0.2px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--primary);
    }
    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }
    .container {
      max-width: 1320px;
    }
    
    /* Header & Navigation */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      background: rgba(7, 13, 25, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glass);
      padding: 0.85rem 0;
      transition: var(--transition-smooth);
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: var(--text-heading);
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 0 12px var(--primary-glow);
    }
    .brand-text {
      color: var(--text-heading);
      background: linear-gradient(120deg, #ffffff 40%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .navbar-nav .nav-link {
      color: var(--text-body);
      font-size: 0.98rem;
      font-weight: 500;
      padding: 0.5rem 1.1rem !important;
      border-radius: var(--btn-radius);
      transition: var(--transition-smooth);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: #ffffff !important;
      background: rgba(0, 210, 255, 0.12);
      border: 1px solid rgba(0, 210, 255, 0.3);
      box-shadow: 0 0 12px var(--primary-glow-subtle);
    }
    .header-search {
      position: relative;
    }
    .header-search input {
      background: rgba(17, 34, 70, 0.6);
      border: 1px solid var(--border-glass);
      border-radius: var(--btn-radius);
      padding: 0.45rem 1rem 0.45rem 2.2rem;
      color: #fff;
      font-size: 0.9rem;
      outline: none;
      transition: var(--transition-smooth);
      width: 220px;
    }
    .header-search input:focus {
      border-color: var(--primary);
      width: 260px;
      box-shadow: 0 0 12px var(--primary-glow-subtle);
    }
    .header-search i {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.85rem;
    }
    .btn-glow-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
      color: #030a16;
      font-weight: 600;
      padding: 0.6rem 1.6rem;
      border-radius: var(--btn-radius);
      border: none;
      box-shadow: 0 0 20px var(--primary-glow);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-glow-primary:hover {
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
    }
    .btn-glow-outline {
      background: rgba(12, 24, 48, 0.8);
      color: var(--text-heading);
      font-weight: 600;
      padding: 0.6rem 1.6rem;
      border-radius: var(--btn-radius);
      border: 1px solid var(--primary);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .btn-glow-outline:hover {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--accent-cyan);
      box-shadow: 0 0 18px var(--primary-glow-subtle);
      transform: translateY(-2px);
    }

    /* Page Spacing & Cards */
    .page-main-wrap {
      padding-top: 100px;
      position: relative;
    }
    .glass-card {
      background: var(--bg-surface);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 2rem;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .glass-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.4), transparent);
      opacity: 0;
      transition: var(--transition-smooth);
    }
    .glass-card:hover {
      border-color: var(--border-glass-hover);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 210, 255, 0.12);
    }
    .glass-card:hover::before {
      opacity: 1;
    }
    .section-header {
      margin-bottom: 2.5rem;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 14px;
      border-radius: var(--btn-radius);
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.25);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 0.8rem;
    }
    .section-title {
      color: var(--text-heading);
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 0.8rem;
    }
    .section-subtitle {
      color: var(--text-body);
      font-size: 1rem;
      max-width: 760px;
      line-height: 1.7;
    }

    /* Section 1: Hero Whitepaper & Filter Bar */
    .filter-hero-section {
      padding: 3rem 0 2rem;
      background: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.15) 0%, transparent 60%),
                  radial-gradient(circle at 10% 80%, rgba(0, 210, 255, 0.1) 0%, transparent 50%);
    }
    .guide-cover-box {
      border-radius: var(--card-radius);
      overflow: hidden;
      position: relative;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 210, 255, 0.25);
      border: 1px solid rgba(0, 210, 255, 0.3);
    }
    .guide-cover-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }
    .guide-cover-box:hover img {
      transform: scale(1.03);
    }
    .guide-badge-top {
      position: absolute;
      top: 15px;
      left: 15px;
      background: rgba(7, 13, 25, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 4px 12px;
      border-radius: var(--btn-radius);
      font-size: 0.75rem;
      font-weight: 700;
    }
    .catalog-toc-list {
      list-style: none;
      padding: 0;
      margin: 1.2rem 0;
    }
    .catalog-toc-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.75rem;
      font-size: 0.95rem;
      color: var(--text-body);
    }
    .catalog-toc-list li i {
      color: var(--primary);
      font-size: 0.85rem;
    }
    .pill-filter-group {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 1rem;
      padding: 0.8rem 1rem;
      background: rgba(17, 34, 70, 0.35);
      border-radius: 12px;
      border: 1px solid rgba(0, 210, 255, 0.08);
    }
    .filter-label {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.85rem;
      min-width: 50px;
    }
    .pill-filter-item {
      padding: 4px 14px;
      border-radius: var(--btn-radius);
      font-size: 0.85rem;
      color: var(--text-body);
      border: 1px solid transparent;
      background: transparent;
      transition: var(--transition-smooth);
      cursor: pointer;
    }
    .pill-filter-item:hover {
      color: #fff;
      border-color: rgba(0, 210, 255, 0.3);
      background: rgba(0, 210, 255, 0.08);
    }
    .pill-filter-item.active {
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.25), rgba(121, 40, 202, 0.25));
      color: #fff;
      font-weight: 600;
      border-color: var(--primary);
      box-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
    }

    /* Section 2: Movie Poster Grid */
    .movie-poster-card {
      background: var(--bg-surface);
      border-radius: var(--card-radius);
      border: 1px solid var(--border-glass);
      overflow: hidden;
      transition: var(--transition-smooth);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .poster-img-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 2/3;
      background: #0b1528;
    }
    .poster-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .movie-poster-card:hover .poster-img-wrap img {
      transform: scale(1.06);
    }
    .poster-badge-quality {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 210, 255, 0.85);
      color: #030a16;
      font-size: 0.72rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }
    .poster-badge-score {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(7, 13, 25, 0.85);
      color: #ffb703;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid rgba(255, 183, 3, 0.4);
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .poster-info-box {
      padding: 1rem 1.1rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 0.35rem;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .poster-meta {
      font-size: 0.82rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.8rem;
    }
    .poster-action-btn {
      width: 100%;
      padding: 0.45rem 0;
      font-size: 0.85rem;
      border-radius: var(--btn-radius);
      border: 1px solid rgba(0, 210, 255, 0.3);
      background: rgba(0, 210, 255, 0.08);
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: var(--transition-smooth);
    }
    .poster-action-btn:hover {
      background: var(--primary);
      color: #030a16;
      box-shadow: 0 0 15px var(--primary-glow);
    }

    /* Section 4: Hot Ranking */
    .ranking-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      background: rgba(17, 34, 70, 0.8);
      color: var(--text-body);
      border: 1px solid var(--border-glass);
      flex-shrink: 0;
    }
    .ranking-item.top-1 .ranking-num {
      background: linear-gradient(135deg, #ff4757, #ff6b81);
      color: #fff;
      border: none;
      box-shadow: 0 0 12px rgba(255, 71, 87, 0.5);
    }
    .ranking-item.top-2 .ranking-num {
      background: linear-gradient(135deg, #ffa502, #eccc68);
      color: #030a16;
      border: none;
      box-shadow: 0 0 12px rgba(255, 165, 2, 0.5);
    }
    .ranking-item.top-3 .ranking-num {
      background: linear-gradient(135deg, #00d2ff, #2ed573);
      color: #030a16;
      border: none;
      box-shadow: 0 0 12px rgba(0, 210, 255, 0.5);
    }
    .ranking-item {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 0.9rem 1.2rem;
      border-radius: 12px;
      background: rgba(12, 24, 48, 0.45);
      border: 1px solid rgba(0, 210, 255, 0.1);
      transition: var(--transition-smooth);
    }
    .ranking-item:hover {
      border-color: var(--border-glass-hover);
      background: rgba(17, 34, 70, 0.7);
      transform: translateX(4px);
    }

    /* Section 5: Tech Spec Cards */
    .spec-metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 1.8rem;
      text-align: center;
      transition: var(--transition-smooth);
    }
    .spec-metric-card:hover {
      border-color: var(--primary);
      box-shadow: 0 0 20px rgba(0, 210, 255, 0.15);
      transform: translateY(-4px);
    }
    .spec-metric-icon {
      width: 54px;
      height: 54px;
      margin: 0 auto 1.2rem;
      border-radius: 14px;
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.5rem;
    }
    .spec-metric-val {
      font-size: 2.2rem;
      font-weight: 800;
      color: #ffffff;
      line-height: 1.2;
      margin-bottom: 0.4rem;
      font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    }
    .spec-metric-label {
      color: var(--primary);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .spec-metric-desc {
      color: var(--text-muted);
      font-size: 0.8rem;
      margin-bottom: 0;
    }

    /* Section 6: Curated Banner */
    .curated-banner {
      background: linear-gradient(135deg, rgba(12, 24, 48, 0.85) 0%, rgba(17, 34, 70, 0.9) 100%),
                  url('/assets/images/b0eba6c09c7f629c.jpg') center/cover no-repeat;
      border: 1px solid var(--border-glass-hover);
      border-radius: var(--card-radius);
      padding: 3.5rem 3rem;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }
    .curated-banner::after {
      content: '';
      position: absolute;
      right: -60px;
      bottom: -60px;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
      pointer-events: none;
    }

    /* Section 7: FAQ Accordion */
    .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px !important;
      margin-bottom: 1rem;
      overflow: hidden;
      backdrop-filter: blur(12px);
    }
    .accordion-button {
      background: transparent;
      color: var(--text-heading);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 1.2rem 1.5rem;
      box-shadow: none !important;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(0, 210, 255, 0.08);
      color: var(--primary);
      border-left: 4px solid var(--primary);
    }
    .accordion-button::after {
      filter: invert(70%) sepia(80%) saturate(500%) hue-rotate(150deg);
      transition: transform 0.3s ease;
    }
    .accordion-body {
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 1.2rem 1.5rem;
      border-top: 1px solid rgba(0, 210, 255, 0.1);
    }

    /* Footer Styles */
    .site-footer {
      background: #040810;
      border-top: 1px solid var(--border-glass);
      padding: 4.5rem 0 2rem;
      position: relative;
    }
    .footer-heading {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1.4rem;
      position: relative;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 0.9rem;
      transition: var(--transition-smooth);
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 5px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    @media (max-width: 991.98px) {
      .page-main-wrap { padding-top: 85px; }
      .section-title { font-size: 1.7rem; }
      .curated-banner { padding: 2rem 1.5rem; }
    }
    @media (max-width: 575.98px) {
      .guide-cover-box img { height: 260px; }
      .pill-filter-group { flex-direction: column; align-items: flex-start; }
      .ranking-item { padding: 0.75rem 0.9rem; font-size: 0.88rem; }
    }

/* roulang page: category3 */
:root {
      --bg-base: #070d19;
      --bg-surface: rgba(12, 24, 48, 0.65);
      --bg-surface-solid: #0c1830;
      --bg-subtle: #112246;
      --primary: #00d2ff;
      --primary-glow: rgba(0, 210, 255, 0.4);
      --primary-glow-subtle: rgba(0, 210, 255, 0.15);
      --accent-purple: #7928ca;
      --accent-cyan: #00f5d4;
      --accent-glow: rgba(121, 40, 202, 0.35);
      --text-heading: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #64748b;
      --border-glass: rgba(0, 210, 255, 0.15);
      --border-glass-hover: rgba(0, 210, 255, 0.5);
      --card-radius: 16px;
      --btn-radius: 50px;
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.68;
      letter-spacing: 0.2px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--primary);
    }
    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }
    .container {
      max-width: 1320px;
    }
    /* Header & Navigation */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      background: rgba(7, 13, 25, 0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glass);
      padding: 0.85rem 0;
      transition: var(--transition-smooth);
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: var(--text-heading);
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 0 14px var(--primary-glow);
    }
    .brand-logo .brand-text {
      background: linear-gradient(90deg, #ffffff 40%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .navbar-nav .nav-link {
      color: var(--text-body);
      font-weight: 500;
      padding: 0.5rem 1.1rem;
      border-radius: 8px;
      transition: var(--transition-smooth);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: #ffffff;
      background: rgba(0, 210, 255, 0.12);
    }
    .header-search {
      position: relative;
      width: 220px;
    }
    .header-search input {
      width: 100%;
      background: rgba(17, 34, 70, 0.6);
      border: 1px solid var(--border-glass);
      border-radius: var(--btn-radius);
      padding: 0.45rem 1rem 0.45rem 2.2rem;
      font-size: 0.85rem;
      color: #fff;
      outline: none;
      transition: var(--transition-smooth);
    }
    .header-search input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px var(--primary-glow-subtle);
    }
    .header-search i {
      position: absolute;
      left: 0.85rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.8rem;
    }
    /* Buttons */
    .btn-glow-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
      color: #030a16;
      font-weight: 600;
      padding: 0.6rem 1.8rem;
      border-radius: var(--btn-radius);
      border: none;
      box-shadow: 0 0 20px var(--primary-glow);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
    }
    .btn-glow-primary:hover {
      color: #000;
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
    }
    .btn-glow-outline {
      background: rgba(12, 24, 48, 0.8);
      color: var(--text-heading);
      font-weight: 600;
      padding: 0.6rem 1.6rem;
      border-radius: var(--btn-radius);
      border: 1px solid var(--primary);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      text-decoration: none;
    }
    .btn-glow-outline:hover {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--accent-cyan);
      box-shadow: 0 0 18px var(--primary-glow-subtle);
      transform: translateY(-2px);
    }
    /* Glass Cards */
    .glass-card {
      background: var(--bg-surface);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: var(--border-glass-hover);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 210, 255, 0.12);
    }
    /* Category Header & Filter Pill Bar */
    .category-hero {
      margin-top: 85px;
      padding: 3rem 0 2rem 0;
      background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.12) 0%, transparent 60%);
      border-bottom: 1px solid var(--border-glass);
    }
    .category-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--btn-radius);
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.3);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 0.85rem;
    }
    .category-h1 {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-heading);
      margin-bottom: 0.8rem;
    }
    .category-lead {
      color: var(--text-body);
      max-width: 820px;
      font-size: 1rem;
      margin-bottom: 1.5rem;
    }
    /* Multi-dimension Filter Pills */
    .filter-wrapper {
      background: rgba(12, 24, 48, 0.8);
      border: 1px solid var(--border-glass);
      border-radius: 14px;
      padding: 1.25rem;
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.75rem;
      overflow-x: auto;
      white-space: nowrap;
      padding-bottom: 4px;
    }
    .filter-row::-webkit-scrollbar {
      height: 4px;
    }
    .filter-row::-webkit-scrollbar-thumb {
      background: var(--border-glass);
      border-radius: 2px;
    }
    .filter-row:last-child {
      margin-bottom: 0;
    }
    .filter-label {
      color: var(--text-muted);
      font-size: 0.85rem;
      font-weight: 600;
      min-width: 75px;
    }
    .pill-chip {
      padding: 4px 14px;
      font-size: 0.82rem;
      border-radius: var(--btn-radius);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid transparent;
      color: var(--text-body);
      transition: var(--transition-smooth);
      cursor: pointer;
    }
    .pill-chip:hover {
      background: rgba(0, 210, 255, 0.15);
      color: var(--primary);
    }
    .pill-chip.active {
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.25), rgba(121, 40, 202, 0.25));
      border-color: var(--primary);
      color: #ffffff;
      font-weight: 600;
      box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
    }
    /* Media Catalog Grid */
    .catalog-section {
      padding: 4rem 0 3rem 0;
    }
    .catalog-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px;
      overflow: hidden;
      position: relative;
      transition: var(--transition-smooth);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .catalog-card:hover {
      border-color: var(--border-glass-hover);
      transform: translateY(-6px);
      box-shadow: 0 14px 30px rgba(0, 210, 255, 0.16);
    }
    .poster-wrap {
      position: relative;
      aspect-ratio: 2 / 3;
      overflow: hidden;
      background: #0d1a33;
    }
    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .catalog-card:hover .poster-wrap img {
      transform: scale(1.06);
    }
    .badge-resolution {
      position: absolute;
      top: 10px;
      left: 10px;
      background: linear-gradient(135deg, #00d2ff, #0077ff);
      color: #030a16;
      font-size: 0.72rem;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 4px;
      letter-spacing: 0.5px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }
    .badge-audio {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(121, 40, 202, 0.85);
      color: #fff;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .badge-score {
      position: absolute;
      bottom: 8px;
      right: 8px;
      background: rgba(7, 13, 25, 0.85);
      border: 1px solid rgba(0, 210, 255, 0.3);
      color: #ffb703;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .catalog-info {
      padding: 1rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .catalog-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 0.35rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .catalog-meta {
      font-size: 0.78rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.6rem;
    }
    .catalog-specs {
      font-size: 0.72rem;
      color: var(--accent-cyan);
      display: flex;
      gap: 8px;
    }
    /* Section Headings */
    .sec-head {
      margin-bottom: 2.2rem;
    }
    .sec-sub {
      color: var(--primary);
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 0.35rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .sec-title {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--text-heading);
    }
    /* Load More Stream Pagination */
    .stream-pagination {
      padding: 1.5rem 0 3.5rem 0;
      text-align: center;
    }
    /* Trend Ranking Section */
    .ranking-section {
      padding: 3.5rem 0;
      background: rgba(12, 24, 48, 0.3);
      border-top: 1px solid var(--border-glass);
      border-bottom: 1px solid var(--border-glass);
    }
    .rank-card {
      padding: 1rem 1.25rem;
      border-radius: 12px;
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      display: flex;
      align-items: center;
      gap: 16px;
      transition: var(--transition-smooth);
      margin-bottom: 1rem;
    }
    .rank-card:hover {
      border-color: var(--border-glass-hover);
      background: rgba(17, 34, 70, 0.7);
      transform: translateX(6px);
    }
    .rank-num {
      font-size: 1.5rem;
      font-weight: 900;
      width: 32px;
      text-align: center;
    }
    .rank-top1 { color: #ff0055; text-shadow: 0 0 10px rgba(255, 0, 85, 0.5); }
    .rank-top2 { color: #ff9900; }
    .rank-top3 { color: #00d2ff; }
    .rank-other { color: var(--text-muted); }
    .rank-info { flex-grow: 1; min-width: 0; }
    .rank-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-heading);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 0.2rem;
    }
    .rank-desc {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .rank-tag {
      font-size: 0.75rem;
      color: var(--accent-cyan);
      background: rgba(0, 245, 212, 0.08);
      border: 1px solid rgba(0, 245, 212, 0.2);
      padding: 2px 8px;
      border-radius: 4px;
      white-space: nowrap;
    }
    /* Tech Specs Metrics Board */
    .specs-board {
      padding: 4rem 0;
    }
    .spec-box {
      padding: 2rem 1.5rem;
      border-radius: var(--card-radius);
      background: var(--bg-surface);
      border: 1px solid var(--border-glass;
      position: relative;
      overflow: hidden;
      transition: var(--transition-smooth);
      height: 100%;
    }
    .spec-box:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(0, 210, 255, 0.15);
    }
    .spec-icon {
      width: 54px;
      height: 54px;
      border-radius: 12px;
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.3);
      color: var(--primary);
      font-size: 1.4rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.25rem;
    }
    .spec-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-heading);
      letter-spacing: -0.5px;
      line-height: 1;
      margin-bottom: 0.5rem;
    }
    .spec-num span {
      font-size: 1rem;
      font-weight: 600;
      color: var(--primary);
      margin-left: 4px;
    }
    .spec-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 0.5rem;
    }
    .spec-text {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 0;
    }
    /* Curated Curation Banner */
    .curation-banner-section {
      padding: 2rem 0 4rem 0;
    }
    .curation-box {
      border-radius: 20px;
      background: linear-gradient(135deg, rgba(12, 24, 48, 0.9) 0%, rgba(17, 34, 70, 0.7) 100%), url('/assets/images/3aca3fa963f3d1a3.jpg') center/cover no-repeat;
      border: 1px solid rgba(0, 210, 255, 0.25);
      padding: 3.5rem 3rem;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .curation-box::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 80% 50%, rgba(121, 40, 202, 0.25), transparent 70%);
      pointer-events: none;
    }
    .curation-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
    }
    .curation-tag {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 4px;
      background: rgba(0, 245, 212, 0.15);
      border: 1px solid rgba(0, 245, 212, 0.4);
      color: var(--accent-cyan);
      font-size: 0.78rem;
      font-weight: 700;
      margin-bottom: 1rem;
    }
    .curation-title {
      font-size: 2rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 1rem;
    }
    .curation-desc {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 1.8rem;
    }
    /* Category FAQ Accordion */
    .category-faq-section {
      padding: 4rem 0 5rem 0;
      background: rgba(7, 13, 25, 0.95);
      border-top: 1px solid var(--border-glass);
    }
    .faq-accordion .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px;
      margin-bottom: 1rem;
      overflow: hidden;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .faq-accordion .accordion-button {
      background: transparent;
      color: var(--text-heading);
      font-size: 1.05rem;
      font-weight: 700;
      padding: 1.3rem 1.5rem;
      box-shadow: none;
      border-left: 3px solid transparent;
      transition: var(--transition-smooth);
    }
    .faq-accordion .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.05);
      border-left-color: var(--primary);
    }
    .faq-accordion .accordion-button::after {
      filter: invert(1) hue-rotate(180deg);
      transition: transform 0.3s ease;
    }
    .faq-accordion .accordion-body {
      color: var(--text-body);
      font-size: 0.92rem;
      line-height: 1.8;
      padding: 0 1.5rem 1.4rem 1.5rem;
    }
    /* Footer */
    .site-footer {
      background: #040811;
      border-top: 1px solid var(--border-glass);
      padding: 4.5rem 0 2rem 0;
      color: var(--text-muted);
    }
    .footer-heading {
      color: var(--text-heading);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--text-body);
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 3.5rem;
      padding-top: 2rem;
      font-size: 0.82rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
    }
    /* Responsive Adjustments */
    @media (max-width: 991px) {
      .category-h1 { font-size: 1.85rem; }
      .curation-box { padding: 2.2rem 1.5rem; }
      .curation-title { font-size: 1.55rem; }
      .header-search { display: none; }
    }
    @media (max-width: 576px) {
      .catalog-grid-row > [class*="col-"] {
        width: 50%;
      }
      .category-hero { padding: 2rem 0 1.5rem 0; }
      .category-h1 { font-size: 1.5rem; }
      .poster-wrap { aspect-ratio: 2 / 2.85; }
      .catalog-title { font-size: 0.88rem; }
      .catalog-meta { font-size: 0.7rem; }
      .spec-num { font-size: 1.8rem; }
    }

/* roulang page: category4 */
:root {
  --bg-base: #070d19;
  --bg-surface: rgba(12, 24, 48, 0.65);
  --bg-surface-solid: #0c1830;
  --bg-subtle: #112246;
  --primary: #00d2ff;
  --primary-glow: rgba(0, 210, 255, 0.4);
  --primary-glow-subtle: rgba(0, 210, 255, 0.15);
  --accent-purple: #7928ca;
  --accent-cyan: #00f5d4;
  --accent-glow: rgba(121, 40, 202, 0.35);
  --text-heading: #ffffff;
  --text-body: #cbd5e1;
  --text-muted: #64748b;
  --border-glass: rgba(0, 210, 255, 0.15);
  --border-glass-hover: rgba(0, 210, 255, 0.5);
  --card-radius: 16px;
  --btn-radius: 50px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-base);
  color: var(--text-body);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
  letter-spacing: 0.2px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}
a:hover {
  color: var(--primary);
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
.container {
  max-width: 1320px;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: rgba(7, 13, 25, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.85rem 0;
  transition: var(--transition-smooth);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-heading);
}
.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 0 14px var(--primary-glow);
}
.brand-text {
  background: linear-gradient(90deg, #ffffff, #80e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.navbar-nav .nav-link {
  color: var(--text-body);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: var(--transition-smooth);
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #fff;
  background: rgba(0, 210, 255, 0.1);
  text-shadow: 0 0 10px var(--primary-glow);
}
.header-search {
  position: relative;
  width: 240px;
}
.header-search input {
  width: 100%;
  background: rgba(17, 34, 70, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--btn-radius);
  padding: 0.45rem 1rem 0.45rem 2.4rem;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-smooth);
}
.header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow-subtle);
  background: rgba(17, 34, 70, 0.95);
}
.header-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}
.btn-glow-primary {
  background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
  color: #030a16;
  font-weight: 600;
  padding: 0.7rem 1.8rem;
  border-radius: var(--btn-radius);
  border: none;
  box-shadow: 0 0 20px var(--primary-glow);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-glow-primary:hover {
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
}
.btn-glow-outline {
  background: rgba(12, 24, 48, 0.8);
  color: var(--text-heading);
  font-weight: 600;
  padding: 0.7rem 1.8rem;
  border-radius: var(--btn-radius);
  border: 1px solid var(--primary);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-glow-outline:hover {
  color: var(--primary);
  background: rgba(0, 210, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 18px var(--primary-glow-subtle);
  transform: translateY(-2px);
}
.main-wrapper {
  padding-top: 82px;
}
.cat-hero-banner {
  position: relative;
  padding: 3.5rem 0 3rem;
  background: radial-gradient(circle at top center, rgba(121, 40, 202, 0.18) 0%, transparent 65%), var(--bg-base);
  border-bottom: 1px solid var(--border-glass);
  overflow: hidden;
}
.cat-hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 250px;
  background: radial-gradient(ellipse at center, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.burst-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--btn-radius);
  background: linear-gradient(90deg, #ff007a, #7928ca);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 0 15px rgba(255, 0, 122, 0.4);
  margin-bottom: 1rem;
}
.cat-h1-title {
  color: var(--text-heading);
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.cat-desc-text {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 820px;
  margin-bottom: 1.8rem;
}
.filter-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 1.5rem;
}
.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(0, 210, 255, 0.1);
}
.filter-row:last-child {
  border-bottom: none;
}
.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 60px;
}
.filter-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-pill {
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-body);
  background: rgba(17, 34, 70, 0.5);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.filter-pill:hover {
  color: var(--primary);
  background: rgba(0, 210, 255, 0.08);
}
.filter-pill.active {
  background: linear-gradient(135deg, var(--primary), #0088cc);
  color: #041021;
  font-weight: 700;
  box-shadow: 0 0 12px var(--primary-glow);
}
.catalog-section {
  padding: 4rem 0;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 15px;
  border-radius: var(--btn-radius);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}
.section-title {
  color: var(--text-heading);
  font-size: 1.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.anime-card {
  position: relative;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.anime-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: 0 14px 28px rgba(0, 210, 255, 0.16);
}
.anime-thumb {
  position: relative;
  width: 100%;
  padding-top: 140%;
  overflow: hidden;
  background: #0d1a33;
}
.anime-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.anime-card:hover .anime-thumb img {
  transform: scale(1.06);
}
.anime-quality-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 210, 255, 0.9);
  color: #030d1d;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.anime-score-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(12, 24, 48, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 187, 0, 0.4);
  color: #ffbb00;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
}
.anime-eps-tag {
  position: absolute;
  bottom: 8px;
  left: 8px;
  right: 8px;
  background: linear-gradient(0deg, rgba(7, 13, 25, 0.95), transparent);
  color: #fff;
  font-size: 0.75rem;
  padding: 6px 4px 0;
}
.anime-info {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.anime-title {
  color: var(--text-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.anime-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  margin-top: auto;
}
.loadmore-zone {
  text-align: center;
  padding: 2.5rem 0 0;
}
.ranking-section {
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--bg-base) 0%, rgba(12, 24, 48, 0.4) 50%, var(--bg-base) 100%);
  border-top: 1px solid var(--border-glass);
}
.rank-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  height: 100%;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 210, 255, 0.08);
  transition: var(--transition-smooth);
}
.rank-item:last-child {
  border-bottom: none;
}
.rank-item:hover {
  background: rgba(0, 210, 255, 0.04);
  padding-left: 6px;
  padding-right: 6px;
  border-radius: 8px;
}
.rank-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: #fff;
  background: var(--bg-subtle);
  flex-shrink: 0;
}
.rank-num.top-1 {
  background: linear-gradient(135deg, #ff007a, #ff7700);
  box-shadow: 0 0 10px rgba(255, 0, 122, 0.4);
}
.rank-num.top-2 {
  background: linear-gradient(135deg, #00d2ff, #0077ff);
  box-shadow: 0 0 10px var(--primary-glow);
}
.rank-num.top-3 {
  background: linear-gradient(135deg, #00f5d4, #00bb88);
  box-shadow: 0 0 10px rgba(0, 245, 212, 0.4);
}
.rank-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-heading);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-stat {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}
.specs-section {
  padding: 4rem 0;
}
.spec-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--card-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition-smooth);
  height: 100%;
}
.spec-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 210, 255, 0.12);
}
.spec-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.2rem;
  border-radius: 16px;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
}
.spec-title {
  color: var(--text-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.spec-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}
.spec-desc {
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.6;
}
.curation-section {
  padding: 3rem 0 4.5rem;
}
.curation-banner {
  position: relative;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(12, 24, 48, 0.92) 0%, rgba(17, 34, 70, 0.8) 100%);
  border: 1px solid var(--border-glass);
  padding: 3.5rem 3rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}
.curation-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(121, 40, 202, 0.25) 0%, transparent 70%);
  pointer-events: none;
}
.curation-content {
  position: relative;
  z-index: 2;
}
.curation-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 1rem;
}
.curation-text {
  font-size: 1rem;
  color: var(--text-body);
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.75;
}
.faq-section {
  padding: 4.5rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(12, 24, 48, 0.5) 100%);
  border-top: 1px solid var(--border-glass);
}
.accordion-item {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 12px !important;
  margin-bottom: 1rem;
  overflow: hidden;
}
.accordion-button {
  background: transparent;
  color: var(--text-heading);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 1.3rem 1.5rem;
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
  background: rgba(0, 210, 255, 0.06);
  color: var(--primary);
  border-bottom: 1px solid var(--border-glass);
}
.accordion-button::after {
  filter: invert(1);
}
.accordion-button:not(.collapsed)::after {
  filter: invert(0.6) sepia(1) saturate(5) hue-rotate(150deg);
}
.accordion-body {
  padding: 1.3rem 1.5rem;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.8;
}
.site-footer {
  background: #040812;
  border-top: 1px solid var(--border-glass);
  padding: 4.5rem 0 2rem;
}
.footer-heading {
  color: var(--text-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  letter-spacing: 0.5px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}
@media (max-width: 991px) {
  .site-header .navbar-collapse {
    background: rgba(7, 13, 25, 0.98);
    border: 1px solid var(--border-glass);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    margin-top: 1rem;
  }
  .cat-h1-title {
    font-size: 1.85rem;
  }
  .curation-banner {
    padding: 2.2rem 1.8rem;
  }
}
@media (max-width: 767px) {
  .cat-hero-banner {
    padding: 2rem 0;
  }
  .cat-h1-title {
    font-size: 1.55rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .spec-val {
    font-size: 1.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category5 */
:root {
      --bg-base: #070d19;
      --bg-surface: rgba(12, 24, 48, 0.65);
      --bg-surface-solid: #0c1830;
      --bg-subtle: #112246;
      --primary: #00d2ff;
      --primary-glow: rgba(0, 210, 255, 0.4);
      --primary-glow-subtle: rgba(0, 210, 255, 0.15);
      --accent-purple: #7928ca;
      --accent-cyan: #00f5d4;
      --accent-glow: rgba(121, 40, 202, 0.35);
      --text-heading: #ffffff;
      --text-body: #cbd5e1;
      --text-muted: #64748b;
      --border-glass: rgba(0, 210, 255, 0.15);
      --border-glass-hover: rgba(0, 210, 255, 0.5);
      --card-radius: 16px;
      --btn-radius: 50px;
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-body);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Noto Sans", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.68;
      letter-spacing: 0.2px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }

    .container {
      max-width: 1320px;
    }

    /* Header & Nav */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1030;
      background: rgba(7, 13, 25, 0.88);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glass);
      padding: 0.85rem 0;
      transition: var(--transition-smooth);
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: var(--text-heading);
    }

    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 0 15px var(--primary-glow);
    }

    .brand-text {
      color: var(--text-heading);
      background: linear-gradient(120deg, #ffffff 40%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .navbar-nav .nav-link {
      color: var(--text-body);
      font-weight: 500;
      padding: 0.55rem 1.1rem !important;
      border-radius: var(--btn-radius);
      transition: var(--transition-smooth);
      position: relative;
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--primary);
      background: rgba(0, 210, 255, 0.08);
      text-shadow: 0 0 10px var(--primary-glow);
    }

    .header-search {
      position: relative;
      width: 220px;
    }

    .header-search input {
      width: 100%;
      background: rgba(12, 24, 48, 0.8);
      border: 1px solid var(--border-glass);
      border-radius: 20px;
      padding: 6px 14px 6px 36px;
      color: #fff;
      font-size: 0.85rem;
      outline: none;
      transition: var(--transition-smooth);
    }

    .header-search input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px var(--primary-glow);
    }

    .header-search i {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    /* Buttons */
    .btn-glow-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0099ff 100%);
      color: #030a16 !important;
      font-weight: 600;
      padding: 0.75rem 2rem;
      border-radius: var(--btn-radius);
      border: none;
      box-shadow: 0 0 20px var(--primary-glow);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .btn-glow-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 210, 255, 0.7);
    }

    .btn-glow-outline {
      background: rgba(12, 24, 48, 0.8);
      color: var(--text-heading) !important;
      font-weight: 600;
      padding: 0.75rem 1.8rem;
      border-radius: var(--btn-radius);
      border: 1px solid var(--primary);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn-glow-outline:hover {
      color: var(--primary) !important;
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--accent-cyan);
      box-shadow: 0 0 18px var(--primary-glow-subtle);
      transform: translateY(-2px);
    }

    /* Glass Cards */
    .glass-card {
      background: var(--bg-surface);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 2rem;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }

    .glass-card:hover {
      border-color: var(--border-glass-hover);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 210, 255, 0.12);
    }

    /* Pill Horizontal Bar */
    .pill-filter-bar {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding: 6px 2px 12px;
      scrollbar-width: none;
    }
    .pill-filter-bar::-webkit-scrollbar {
      display: none;
    }

    .filter-chip {
      white-space: nowrap;
      padding: 7px 18px;
      font-size: 0.85rem;
      font-weight: 500;
      border-radius: 30px;
      background: rgba(17, 34, 70, 0.6);
      border: 1px solid var(--border-glass);
      color: var(--text-body);
      transition: var(--transition-smooth);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .filter-chip:hover,
    .filter-chip.active {
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.25), rgba(121, 40, 202, 0.3));
      border-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 0 12px var(--primary-glow-subtle);
    }

    /* Category Specific Sections */
    .category-page-main {
      padding-top: 100px;
    }

    .cat-header-panel {
      position: relative;
      background: radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 60%),
                  radial-gradient(circle at 90% 80%, rgba(121, 40, 202, 0.1) 0%, transparent 60%),
                  rgba(12, 24, 48, 0.7);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 2.2rem 2.5rem;
      margin-bottom: 2.5rem;
    }

    .cat-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 14px;
      border-radius: 30px;
      background: rgba(0, 210, 255, 0.12);
      border: 1px solid var(--primary);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 0.85rem;
    }

    .cat-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-heading);
      margin-bottom: 0.8rem;
    }

    .cat-desc {
      color: var(--text-body);
      font-size: 0.95rem;
      max-width: 880px;
      margin-bottom: 1.5rem;
      line-height: 1.75;
    }

    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.85rem;
    }
    .filter-label {
      min-width: 68px;
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* Main Movie Grid */
    .poster-card {
      background: rgba(12, 24, 48, 0.6);
      border: 1px solid var(--border-glass);
      border-radius: 14px;
      overflow: hidden;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
    }

    .poster-card:hover {
      border-color: var(--primary);
      transform: translateY(-6px);
      box-shadow: 0 16px 30px rgba(0, 210, 255, 0.2);
    }

    .poster-thumb {
      position: relative;
      aspect-ratio: 3/4;
      overflow: hidden;
      background-color: var(--bg-subtle);
    }

    .poster-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .poster-card:hover .poster-thumb img {
      transform: scale(1.06);
    }

    .poster-tag-quality {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(8px);
      border: 1px solid var(--primary);
      color: var(--primary);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 6px;
      letter-spacing: 0.5px;
    }

    .poster-tag-score {
      position: absolute;
      top: 10px;
      right: 10px;
      background: linear-gradient(135deg, rgba(255, 170, 0, 0.9), rgba(255, 100, 0, 0.9));
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 8px;
      border-radius: 6px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    }

    .poster-info {
      padding: 1.2rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 0.4rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .poster-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.7rem;
      display: flex;
      justify-content: space-between;
    }

    .poster-brief {
      font-size: 0.82rem;
      color: var(--text-body);
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 1rem;
    }

    .poster-action {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 0.8rem;
    }

    .play-link {
      font-size: 0.82rem;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .play-link:hover {
      text-shadow: 0 0 8px var(--primary-glow);
    }

    /* Leaderboard Rank */
    .rank-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 1.5rem;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 10px 12px;
      border-radius: 10px;
      transition: var(--transition-smooth);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .rank-item:hover {
      background: rgba(0, 210, 255, 0.05);
      border-color: rgba(0, 210, 255, 0.2);
    }

    .rank-num {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 800;
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-body);
    }

    .rank-num.top-1 {
      background: linear-gradient(135deg, #ff416c, #ff4b2b);
      color: #fff;
      box-shadow: 0 0 10px rgba(255, 65, 108, 0.5);
    }
    .rank-num.top-2 {
      background: linear-gradient(135deg, #f7971e, #ffd200);
      color: #000;
      box-shadow: 0 0 10px rgba(247, 151, 30, 0.4);
    }
    .rank-num.top-3 {
      background: linear-gradient(135deg, var(--primary), #0072ff);
      color: #fff;
      box-shadow: 0 0 10px var(--primary-glow);
    }

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

    .rank-text-title {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-heading);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-text-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .rank-score {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent-cyan);
    }

    /* Tech Specs Dashboard */
    .spec-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: var(--card-radius);
      padding: 1.8rem;
      text-align: center;
      transition: var(--transition-smooth);
    }

    .spec-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: 0 12px 24px rgba(0, 210, 255, 0.1);
    }

    .spec-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 1.2rem;
      border-radius: 16px;
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid var(--border-glass);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--primary);
    }

    .spec-value {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-heading);
      margin-bottom: 0.3rem;
      font-family: monospace;
      letter-spacing: -0.5px;
    }

    .spec-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-heading);
      margin-bottom: 0.4rem;
    }

    .spec-desc {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Curated Thematic Banner */
    .thematic-banner {
      position: relative;
      border-radius: 20px;
      background: linear-gradient(90deg, rgba(7, 13, 25, 0.95) 0%, rgba(12, 24, 48, 0.85) 60%, rgba(7, 13, 25, 0.4) 100%),
                  url('/assets/images/3aca3fa963f3d1a3.jpg') center/cover no-repeat;
      border: 1px solid var(--border-glass);
      padding: 3.5rem 3rem;
      overflow: hidden;
    }

    .thematic-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(121, 40, 202, 0.3);
      border: 1px solid var(--accent-purple);
      color: #e0b0ff;
      padding: 4px 14px;
      border-radius: 30px;
      font-size: 0.8rem;
      font-weight: 600;
      margin-bottom: 1.2rem;
    }

    /* Accordion FAQ */
    .accordion-custom .accordion-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: 12px !important;
      margin-bottom: 1rem;
      overflow: hidden;
      backdrop-filter: blur(12px);
    }

    .accordion-custom .accordion-button {
      background: transparent;
      color: var(--text-heading);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 1.3rem 1.6rem;
      box-shadow: none;
    }

    .accordion-custom .accordion-button:not(.collapsed) {
      background: rgba(0, 210, 255, 0.06);
      color: var(--primary);
      border-bottom: 1px solid var(--border-glass);
    }

    .accordion-custom .accordion-button::after {
      filter: invert(0.8) sepia(100%) saturate(300%) hue-rotate(150deg);
      transition: var(--transition-smooth);
    }

    .accordion-custom .accordion-body {
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 1.4rem 1.6rem;
    }

    /* Footer */
    .site-footer {
      background: #050912;
      border-top: 1px solid var(--border-glass);
      padding: 4.5rem 0 2rem;
      margin-top: 5rem;
    }

    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 1.4rem;
      position: relative;
      padding-left: 12px;
    }

    .footer-heading::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 3px;
      background: var(--primary);
      border-radius: 2px;
    }

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

    .footer-links li {
      margin-bottom: 0.75rem;
    }

    .footer-links a {
      color: var(--text-body);
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    @media (max-width: 991.98px) {
      .category-page-main {
        padding-top: 85px;
      }
      .cat-header-panel {
        padding: 1.8rem 1.5rem;
      }
      .thematic-banner {
        padding: 2.5rem 1.5rem;
      }
    }

    @media (max-width: 575.98px) {
      .cat-title {
        font-size: 1.55rem;
      }
      .spec-value {
        font-size: 1.75rem;
      }
      .filter-label {
        min-width: 54px;
        font-size: 0.8rem;
      }
    }

/* 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}