/* roulang page: index */
:root {
            --gold: #F5B800;
            --gold-light: #FFD34D;
            --gold-soft: #FFE9A0;
            --night: #0E1A2B;
            --night-2: #0B1420;
            --night-3: #132338;
            --teal: #17C3B2;
            --teal-light: #45D6C7;
            --cream: #F7F5F0;
            --white: #FFFFFF;
            --text-1: #1E2A38;
            --text-2: #5A6B7B;
            --border: #E4E0D8;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 20px rgba(14, 26, 43, 0.06);
            --shadow-lg: 0 8px 30px rgba(14, 26, 43, 0.12);
            --section-pad: 96px;
            --font-serif: 'Noto Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-digit: 'Orbitron', 'Rajdhani', 'Consolas', monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-1);
            background: var(--cream);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--gold);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .text-gold {
            color: var(--gold);
        }
        .text-teal {
            color: var(--teal);
        }
        .btn {
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            transition: all 0.3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--night);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--night);
            transform: scale(1.02);
            box-shadow: 0 6px 24px rgba(245, 184, 0, 0.35);
        }
        .btn-gold:active {
            transform: scale(0.98);
        }
        .btn-outline-teal {
            background: transparent;
            color: var(--teal);
            border: 2px solid var(--teal);
        }
        .btn-outline-teal:hover {
            background: var(--teal);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(23, 195, 178, 0.35);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
            border-radius: 12px;
        }
        .badge-gold {
            display: inline-block;
            background: rgba(245, 184, 0, 0.15);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }
        .badge-teal {
            display: inline-block;
            background: rgba(23, 195, 178, 0.12);
            color: var(--teal);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 36px;
            line-height: 1.3;
            color: var(--text-1);
            margin-bottom: 14px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-2);
            max-width: 640px;
            margin-bottom: 40px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(14, 26, 43, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 20, 32, 0.98);
            border-bottom-color: rgba(245, 184, 0, 0.3);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }
        .custom-navbar {
            padding: 12px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 24px;
            color: var(--white) !important;
            letter-spacing: 1px;
        }
        .brand-icon {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold) 0%, #d4a50b 100%);
            border-radius: 10px;
            color: var(--night);
            font-size: 16px;
            box-shadow: 0 2px 10px rgba(245, 184, 0, 0.3);
        }
        .brand-icon i {
            filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
        }
        .brand-icon::after {
            content: '8';
            position: absolute;
            top: -4px;
            right: -6px;
            width: 16px;
            height: 16px;
            background: var(--teal);
            color: var(--white);
            font-family: var(--font-digit);
            font-size: 10px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--night);
            line-height: 1;
        }
        .navbar-nav {
            gap: 6px;
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--gold) !important;
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            width: 24px;
        }
        .navbar-toggler {
            border: 1px solid rgba(245, 184, 0, 0.5) !important;
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 18px;
            color: var(--gold) !important;
            background: transparent;
            outline: none;
            box-shadow: none !important;
        }
        .navbar-toggler .navbar-toggler-icon {
            display: inline-block;
            width: auto;
            height: auto;
            background-image: none !important;
        }
        .btn-sm-nav {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 8px;
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(11, 20, 32, 0.98);
                border-radius: 12px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(245, 184, 0, 0.15);
            }
            .navbar-nav {
                gap: 4px;
                margin: 0 0 12px 0 !important;
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
                border-radius: 8px;
            }
            .navbar-nav .nav-link:hover,
            .navbar-nav .nav-link.active {
                background: rgba(245, 184, 0, 0.08);
            }
            .btn-sm-nav {
                width: 100%;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(145deg, var(--night) 0%, #0d1828 50%, #111e33 100%);
            padding: 180px 0 90px;
            min-height: 720px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -60px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 184, 0, 0.12);
            border: 1px solid rgba(245, 184, 0, 0.3);
            color: var(--gold-soft);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
            letter-spacing: 1px;
        }
        .hero-badge i {
            font-size: 14px;
            color: var(--gold);
        }
        .hero-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 50px;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero-title .gold-text {
            color: var(--gold);
            position: relative;
        }
        .hero-sub {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin-bottom: 34px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }
        .hero-stats {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-num {
            font-family: var(--font-digit);
            font-size: 34px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }
        .hero-visual {
            position: relative;
            z-index: 2;
        }
        .hero-visual img {
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 80px rgba(245, 184, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            width: 100%;
            object-fit: cover;
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            top: 20px;
            left: -20px;
            width: 100%;
            height: 100%;
            border: 2px solid rgba(245, 184, 0, 0.2);
            border-radius: 20px;
            z-index: -1;
        }
        @media (max-width: 991.98px) {
            .hero-section {
                padding: 160px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 38px;
            }
            .hero-visual {
                margin-top: 48px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .hero-section {
                padding: 140px 0 50px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 26px;
            }
        }

        /* ========== Pain Points ========== */
        .pain-section {
            background: var(--night-2);
            padding: var(--section-pad) 0;
            position: relative;
        }
        .pain-section .section-title {
            color: var(--white);
            text-align: center;
        }
        .pain-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 50px;
        }
        .pain-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .pain-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(245, 184, 0, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .pain-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(245, 184, 0, 0.12);
            border-radius: 16px;
            font-size: 22px;
            color: var(--gold);
        }
        .pain-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            font-family: var(--font-sans);
        }
        .pain-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        @media (max-width: 991.98px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Solution ========== */
        .solution-section {
            background: var(--cream);
            padding: var(--section-pad) 0;
        }
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .solution-content .section-title {
            margin-bottom: 12px;
        }
        .solution-intro {
            font-size: 16px;
            color: var(--text-2);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .solution-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--white);
            border-radius: 12px;
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border-left: 3px solid var(--gold);
            transition: all 0.3s ease;
        }
        .solution-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }
        .solution-check {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: rgba(245, 184, 0, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 14px;
            margin-top: 2px;
        }
        .solution-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 4px;
            font-family: var(--font-sans);
        }
        .solution-item p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }
        .solution-image {
            position: relative;
        }
        .solution-image img {
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
            border: 1px solid var(--border);
        }
        .solution-image::after {
            content: '';
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(23, 195, 178, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            z-index: -1;
        }
        @media (max-width: 991.98px) {
            .solution-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .solution-image {
                order: -1;
            }
        }
        @media (max-width: 575.98px) {
            .solution-section {
                padding: 64px 0;
            }
            .solution-item {
                padding: 16px 18px;
            }
        }

        /* ========== Metrics ========== */
        .metrics-section {
            background: var(--night);
            padding: var(--section-pad) 0;
            position: relative;
            overflow: hidden;
        }
        .metrics-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(23, 195, 178, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .metrics-section .section-title {
            color: var(--white);
            text-align: center;
        }
        .metrics-section .section-sub {
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .metric-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 36px 24px;
            transition: all 0.3s ease;
        }
        .metric-card:hover {
            border-color: rgba(245, 184, 0, 0.4);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            transform: translateY(-4px);
        }
        .metric-num {
            font-family: var(--font-digit);
            font-size: 42px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .metric-card:nth-child(2) .metric-num {
            color: var(--teal);
        }
        .metric-card:nth-child(4) .metric-num {
            color: var(--teal);
        }
        .metric-label {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
        }
        .metric-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 991.98px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Testimonials ========== */
        .testimonial-section {
            background: var(--cream);
            padding: var(--section-pad) 0;
        }
        .testimonial-section .section-title {
            text-align: center;
        }
        .testimonial-section .section-sub {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all 0.3s ease;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-top: 3px solid var(--gold);
        }
        .testimonial-stars {
            color: var(--gold);
            font-size: 14px;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-1);
            margin-bottom: 24px;
            font-style: italic;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
        }
        .avatar-1 {
            background: linear-gradient(135deg, var(--gold), #d4a50b);
        }
        .avatar-2 {
            background: linear-gradient(135deg, var(--teal), #0e9a8a);
        }
        .avatar-3 {
            background: linear-gradient(135deg, #4a6cf7, #3457d5);
        }
        .testimonial-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-1);
        }
        .testimonial-role {
            font-size: 13px;
            color: var(--text-2);
        }
        @media (max-width: 991.98px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 640px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* ========== News / CMS ========== */
        .news-section {
            background: var(--night-2);
            padding: var(--section-pad) 0;
            position: relative;
        }
        .news-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
        .news-section .section-title {
            color: var(--white);
        }
        .news-section .section-sub {
            color: rgba(255, 255, 255, 0.6);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 44px;
        }
        .news-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }
        .news-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(245, 184, 0, 0.3);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            transform: translateY(-4px);
        }
        .news-link {
            display: flex;
            padding: 20px;
            gap: 16px;
            height: 100%;
        }
        .news-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--night);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .news-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .news-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.4;
            margin-bottom: 6px;
            font-family: var(--font-sans);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .news-meta .tag {
            background: rgba(245, 184, 0, 0.15);
            color: var(--gold-soft);
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 12px;
        }
        .news-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .empty-state {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: rgba(255, 255, 255, 0.6);
        }
        .empty-state i {
            font-size: 48px;
            color: var(--gold);
            margin-bottom: 16px;
            display: block;
            opacity: 0.6;
        }
        .empty-state p {
            font-size: 16px;
        }
        @media (max-width: 767.98px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-thumb {
                width: 100px;
                height: 70px;
            }
            .news-link {
                padding: 14px;
            }
        }
        @media (max-width: 375px) {
            .news-thumb {
                width: 80px;
                height: 60px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--cream);
            padding: var(--section-pad) 0;
        }
        .faq-section .section-title {
            text-align: center;
        }
        .faq-section .section-sub {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 48px auto 0;
        }
        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border) !important;
            border-radius: 12px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }
        .accordion-button {
            background: var(--white) !important;
            color: var(--text-1) !important;
            font-size: 16px;
            font-weight: 600;
            padding: 18px 22px;
            box-shadow: none !important;
            font-family: var(--font-sans);
            gap: 12px;
        }
        .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f067';
            color: var(--gold);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-button .faq-q {
            color: var(--gold);
            font-weight: 900;
            font-family: var(--font-serif);
            font-size: 18px;
            flex-shrink: 0;
        }
        .accordion-body {
            padding: 0 22px 20px;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(145deg, var(--night) 0%, #0c1726 50%, #111e33 100%);
            padding: 96px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(245, 184, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 40px;
            color: var(--white);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-title .gold-text {
            color: var(--gold);
        }
        .cta-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 36px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 575.98px) {
            .cta-section {
                padding: 64px 0;
            }
            .cta-title {
                font-size: 30px;
            }
            .cta-actions {
                flex-direction: column;
                gap: 12px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--night-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 0;
            border-top: 2px solid rgba(245, 184, 0, 0.3);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .brand-text {
            font-size: 22px;
        }
        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            margin: 16px 0 20px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: all 0.3s ease;
        }
        .footer-social a:hover {
            background: var(--gold);
            color: var(--night);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
            font-family: var(--font-serif);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 14px;
        }
        .footer-contact i {
            color: var(--gold);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .domain-text {
            color: var(--gold-soft);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ========== Section spacing utility ========== */
        .section-pad {
            padding: var(--section-pad) 0;
        }
        @media (max-width: 575.98px) {
            :root {
                --section-pad: 64px;
            }
        }

        /* ========== Scroll to top ========== */
        .scroll-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            background: var(--night);
            border: 2px solid var(--gold);
            border-radius: 12px;
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1050;
        }
        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: var(--gold);
            color: var(--night);
        }

        /* ========== Focus visible ========== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(23, 195, 178, 0.5);
            outline-offset: 2px;
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-title,
        .hero-sub,
        .hero-badge,
        .hero-actions,
        .hero-stats {
            animation: fadeInUp 0.8s ease both;
        }
        .hero-sub {
            animation-delay: 0.1s;
        }
        .hero-actions {
            animation-delay: 0.2s;
        }
        .hero-stats {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
:root {
            --primary: #F5B800;
            --primary-dark: #DBA400;
            --primary-light: #FFD34D;
            --dark-blue: #0E1A2B;
            --dark-deep: #0B1420;
            --neon-teal: #17C3B2;
            --neon-teal-dark: #0FA396;
            --light-bg: #F7F5F0;
            --text-dark: #1E2A38;
            --text-secondary: #5A6B7B;
            --border: #E5E0D8;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 20px rgba(14, 26, 43, 0.06);
            --shadow-lg: 0 8px 30px rgba(14, 26, 43, 0.12);
            --font-serif: 'Noto Serif SC', serif;
            --font-sans: 'Noto Sans SC', sans-serif;
            --font-display: 'Orbitron', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-dark);
            background: var(--light-bg);
            padding-top: 72px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--dark-blue);
        }
        .container {
            max-width: 1200px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(14, 26, 43, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid transparent;
            transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .site-header.scrolled {
            background: rgba(14, 26, 43, 1);
            border-bottom-color: rgba(245, 184, 0, 0.5);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        .custom-navbar {
            padding: 14px 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.28rem;
            color: #fff !important;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-blue);
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(245, 184, 0, 0.35);
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.82) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: all .2s ease;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary) !important;
        }
        .nav-link.active {
            color: var(--primary) !important;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .btn-gold {
            background: var(--primary);
            color: var(--dark-blue);
            font-weight: 600;
            border: none;
            border-radius: 10px;
            padding: 10px 22px;
            font-size: 0.95rem;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-gold:hover {
            background: var(--primary-light);
            transform: scale(1.02);
            color: var(--dark-blue);
            box-shadow: 0 6px 20px rgba(245, 184, 0, 0.3);
        }
        .btn-gold:active {
            transform: scale(0.98);
        }
        .btn-sm-nav {
            padding: 8px 18px;
            font-size: 0.88rem;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 1rem;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .page-hero {
            position: relative;
            background: linear-gradient(100deg, rgba(14, 26, 43, 0.92), rgba(14, 26, 43, 0.75)), url('/assets/images/backpic/back-1.webp') no-repeat center center/cover;
            padding: 110px 0 90px;
            overflow: hidden;
            border-bottom: 3px solid var(--primary);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.25), transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 70%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.7;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-hero-content .hero-tag {
            display: inline-block;
            background: rgba(245, 184, 0, 0.15);
            border: 1px solid rgba(245, 184, 0, 0.4);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .page-hero-content h1 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 3.2rem;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .page-hero-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.8;
        }
        .hero-divider {
            width: 64px;
            height: 4px;
            border-radius: 4px;
            background: var(--primary);
            margin: 24px 0;
        }
        .section {
            padding: 90px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-head .sec-sub {
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            display: inline-block;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 2.2rem;
            color: var(--text-dark);
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 8px;
        }
        .filter-bar {
            padding: 36px 0 0;
            background: var(--light-bg);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .filter-tag {
            display: inline-block;
            padding: 8px 22px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all .25s ease;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(14, 26, 43, 0.04);
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--dark-blue);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(245, 184, 0, 0.25);
        }
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 48px;
        }
        .game-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            border: 1px solid rgba(14, 26, 43, 0.04);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-top: 3px solid var(--primary);
        }
        .game-card .card-img-wrap {
            height: 170px;
            overflow: hidden;
            position: relative;
            background: var(--dark-blue);
        }
        .game-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .game-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .game-card .card-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-tag {
            display: inline-block;
            align-self: flex-start;
            background: rgba(245, 184, 0, 0.12);
            color: var(--primary-dark);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .game-card .card-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .game-card .card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .game-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-teal);
            transition: gap .2s ease;
        }
        .game-card .card-link:hover {
            gap: 10px;
            color: var(--neon-teal-dark);
        }
        .stats-section {
            background: var(--dark-blue);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(23, 195, 178, 0.12), transparent 70%);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 10px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: transform .3s ease;
        }
        .stat-item:hover {
            transform: translateY(-4px);
        }
        .stat-number {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 2.6rem;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 1px;
        }
        .stat-note {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
        }
        .feature-section {
            background: var(--light-bg);
            padding: 90px 0;
        }
        .feature-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
        }
        .feature-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 26, 43, 0.15), transparent 50%);
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .feature-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(245, 184, 0, 0.12);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }
        .feature-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            font-family: var(--font-serif);
        }
        .feature-item p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-section {
            background: #fff;
            padding: 90px 0;
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .25s ease;
            background: #fff;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.96rem;
            color: var(--text-dark);
            transition: background .2s;
        }
        .faq-q .q-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--primary);
            color: var(--dark-blue);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
        }
        .faq-q .q-arrow {
            margin-left: auto;
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: transform .3s ease;
        }
        .faq-item.active .q-arrow {
            transform: rotate(180deg);
        }
        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-a {
            padding: 0 24px 20px;
            max-height: 300px;
        }
        .cta-section {
            background: linear-gradient(100deg, rgba(14, 26, 43, 0.95), rgba(11, 20, 32, 0.92)), url('/assets/images/backpic/back-3.webp') no-repeat center center/cover;
            padding: 90px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.2), transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-wrap {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-outline-teal {
            background: transparent;
            border: 2px solid var(--neon-teal);
            color: var(--neon-teal);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline-teal:hover {
            background: var(--neon-teal);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--dark-deep);
            padding: 70px 0 20px;
            border-top: 2px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .navbar-brand {
            margin-bottom: 14px;
        }
        .footer-about {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin: 14px 0 20px;
            max-width: 280px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: all .25s ease;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: var(--dark-blue);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-title {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.86rem;
            transition: all .2s;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .footer-contact i {
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 3px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }
        @media (max-width: 991px) {
            body {
                padding-top: 64px;
            }
            .custom-navbar {
                padding: 10px 0;
                min-height: 64px;
            }
            .navbar-nav {
                gap: 0;
                padding: 10px 0;
            }
            .nav-link {
                padding: 10px 8px !important;
            }
            .nav-link.active::after {
                left: 8px;
                right: 8px;
            }
            .btn-sm-nav {
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }
            .page-hero {
                padding: 80px 0 60px;
            }
            .page-hero-content h1 {
                font-size: 2.4rem;
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .feature-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .feature-image img {
                height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            body {
                padding-top: 60px;
            }
            .custom-navbar {
                min-height: 60px;
            }
            .brand-text {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .page-hero {
                padding: 60px 0 50px;
            }
            .page-hero-content h1 {
                font-size: 1.9rem;
            }
            .page-hero-content p {
                font-size: 0.92rem;
            }
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .wiki-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-section {
                padding: 60px 0;
            }
            .stat-number {
                font-size: 2rem;
            }
            .feature-section {
                padding: 64px 0;
            }
            .feature-image img {
                height: 240px;
            }
            .cta-inner h2 {
                font-size: 1.6rem;
            }
            .cta-btn-wrap {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .btn-gold,
            .btn-outline-teal {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .filter-bar {
                padding: 24px 0 0;
            }
            .filter-tag {
                font-size: 0.82rem;
                padding: 7px 16px;
            }
        }
        @media (max-width: 520px) {
            .page-hero-content h1 {
                font-size: 1.6rem;
            }
            .page-hero {
                padding: 50px 0 40px;
            }
            .wiki-grid {
                margin-top: 32px;
            }
            .game-card .card-img-wrap {
                height: 140px;
            }
            .footer-grid {
                gap: 24px;
            }
            .footer-brand .navbar-brand .brand-text {
                font-size: 1rem;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #F5B800;
            --primary-dark: #D4A000;
            --primary-light: #FFD34D;
            --accent: #17C3B2;
            --accent-dark: #0FA396;
            --dark: #0E1A2B;
            --dark-deep: #0B1420;
            --light: #F7F5F0;
            --text-main: #1E2A38;
            --text-sub: #5A6B7B;
            --border: #E5E0D5;
            --white: #FFFFFF;
            --gold-light: #FFE9A0;
            --font-serif: 'Noto Serif SC', serif;
            --font-sans: 'Noto Sans SC', sans-serif;
            --font-num: 'Orbitron', sans-serif;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 20px rgba(14, 26, 43, 0.06);
            --shadow-hover: 0 8px 30px rgba(14, 26, 43, 0.12);
            --space-section: 96px;
            --space-section-mobile: 64px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        ul,
        ol {
            padding-left: 1.2rem;
        }

        .container {
            max-width: 1140px;
        }

        /* ===== 按钮 ===== */
        .btn-gold {
            display: inline-block;
            background: var(--primary);
            color: var(--dark);
            font-weight: 700;
            border-radius: 10px;
            padding: 12px 28px;
            border: 2px solid var(--primary);
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            box-shadow: 0 4px 14px rgba(245, 184, 0, 0.25);
        }

        .btn-gold:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--dark);
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(245, 184, 0, 0.35);
        }

        .btn-gold:active {
            transform: scale(0.98);
            box-shadow: 0 2px 8px rgba(245, 184, 0, 0.2);
        }

        .btn-outline-accent {
            display: inline-block;
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-weight: 600;
            border-radius: 10px;
            padding: 10px 24px;
            font-family: var(--font-sans);
            font-size: 14px;
            line-height: 1.4;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn-outline-accent:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(23, 195, 178, 0.3);
        }

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

        .btn-sm-nav {
            padding: 8px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(11, 20, 32, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: background 0.35s ease, box-shadow 0.35s ease, border-bottom 0.35s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header.scrolled {
            background: rgba(11, 20, 32, 1);
            border-bottom: 1px solid rgba(245, 184, 0, 0.4);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .custom-navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 10px;
            color: var(--dark);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(245, 184, 0, 0.3);
        }

        .brand-text {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 22px;
            color: var(--white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: var(--white);
            font-size: 20px;
            border-radius: 8px;
            padding: 6px 12px;
            transition: border-color 0.3s ease, color 0.3s ease;
        }

        .navbar-toggler:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(245, 184, 0, 0.25);
        }

        .navbar-nav {
            gap: 6px;
        }

        .nav-item {
            margin: 0 2px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.75) !important;
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px !important;
            border-radius: 8px;
            transition: color 0.25s ease, background 0.25s ease;
        }

        .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(245, 184, 0, 0.08);
        }

        .nav-link.active {
            color: var(--primary) !important;
            font-weight: 700;
            background: rgba(245, 184, 0, 0.1);
        }

        /* 移动端导航 */
        @media (max-width: 991.98px) {
            .custom-navbar {
                padding: 10px 0;
            }

            .navbar-collapse {
                background: var(--dark-deep);
                padding: 20px;
                border-radius: 0 0 16px 16px;
                margin-top: 10px;
                border: 1px solid rgba(245, 184, 0, 0.15);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
            }

            .navbar-nav {
                gap: 0;
                margin-bottom: 14px;
            }

            .nav-link {
                padding: 12px 16px !important;
                text-align: center;
                border-radius: 8px;
            }

            .btn-sm-nav {
                display: block;
                width: 100%;
                text-align: center;
            }
        }

        /* ===== 文章 Hero 区 ===== */
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, var(--dark) 0%, #16283c 100%);
            padding: 150px 0 90px;
            margin-top: 0;
            overflow: hidden;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(23, 195, 178, 0.25) 0%, transparent 70%);
            z-index: 0;
        }

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

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s ease;
        }

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

        .article-breadcrumb .current {
            color: var(--gold-light);
        }

        .article-breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.3);
        }

        .category-badge {
            display: inline-block;
            background: rgba(245, 184, 0, 0.2);
            border: 1px solid rgba(245, 184, 0, 0.5);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 16px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .article-hero-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 40px;
            line-height: 1.3;
            color: var(--white);
            margin: 0 0 16px;
            max-width: 860px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            color: var(--primary);
            font-size: 14px;
        }

        /* ===== 文章正文区 ===== */
        .article-section {
            padding: 0 0 var(--space-section);
            background: var(--light);
        }

        .article-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: -50px;
            padding: 48px 56px;
            position: relative;
            z-index: 2;
            border-top: 3px solid var(--primary);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 28px;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--dark);
            margin-top: 36px;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 22px;
            border-left: 4px solid var(--primary);
            padding-left: 14px;
        }

        .article-content h2 {
            font-size: 26px;
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #FAF7F0;
            border-radius: 0 10px 10px 0;
            padding: 18px 24px;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-sub);
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 28px;
            padding-left: 1.4rem;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: 10px;
            overflow: hidden;
        }

        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-content table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 600;
        }

        .article-content a {
            color: var(--accent);
            border-bottom: 1px dashed var(--accent);
        }

        .article-content a:hover {
            color: var(--accent-dark);
            border-bottom-style: solid;
        }

        /* ===== 标签区 ===== */
        .article-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 28px;
            margin-top: 36px;
            border-top: 1px solid var(--border);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 184, 0, 0.12);
            color: var(--dark);
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            padding: 5px 16px;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .tag:hover {
            background: var(--primary);
            color: var(--dark);
        }

        .tag i {
            font-size: 11px;
        }

        /* ===== 返回入口 ===== */
        .article-back {
            margin-top: 30px;
            text-align: center;
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            padding: 60px 20px;
            text-align: center;
        }

        .not-found i {
            font-size: 48px;
            color: var(--text-sub);
            margin-bottom: 18px;
        }

        .not-found p {
            font-size: 17px;
            color: var(--text-sub);
            margin-bottom: 24px;
        }

        /* ===== 相关阅读 ===== */
        .related-section {
            padding: var(--space-section) 0;
            background: var(--light);
            border-top: 1px solid var(--border);
        }

        .related-heading {
            text-align: center;
            margin-bottom: 48px;
        }

        .related-heading h2 {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 34px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .related-heading p {
            color: var(--text-sub);
            font-size: 15px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            border-top: 3px solid transparent;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-top-color: var(--primary);
        }

        .related-card a {
            display: flex;
            height: 100%;
        }

        .related-img {
            width: 130px;
            min-height: 110px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .related-info {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }

        .related-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s ease;
        }

        .related-card a:hover .related-title {
            color: var(--primary);
        }

        .related-date {
            font-size: 12px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-date i {
            color: var(--primary);
            font-size: 12px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 90px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 560px;
            height: 360px;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.18) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

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

        .cta-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 38px;
            color: var(--white);
            margin-bottom: 14px;
        }

        .cta-subtitle {
            color: rgba(255, 255, 255, 0.65);
            font-size: 16px;
            margin-bottom: 36px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-wrap {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-btn-wrap .btn-gold {
            font-size: 16px;
            padding: 14px 40px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-deep);
            padding: 64px 0 0;
            border-top: 2px solid rgba(245, 184, 0, 0.3);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .navbar-brand {
            margin-bottom: 18px;
        }

        .footer-brand .brand-text {
            font-size: 20px;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 18px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--dark);
            transform: translateY(-3px);
        }

        .footer-title {
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            font-family: var(--font-sans);
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

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

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            margin-bottom: 12px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .article-hero {
                padding: 130px 0 70px;
            }

            .article-hero-title {
                font-size: 34px;
            }

            .article-card {
                padding: 36px 36px;
                margin-top: -40px;
            }

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

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

        @media (max-width: 767.98px) {
            :root {
                --space-section: var(--space-section-mobile);
            }

            .article-hero {
                padding: 110px 0 60px;
            }

            .article-hero-title {
                font-size: 28px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

            .article-card {
                margin-top: -30px;
                padding: 24px 20px;
                border-radius: 12px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content p {
                margin-bottom: 20px;
            }

            .article-content h3 {
                font-size: 20px;
            }

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

            .related-card a {
                flex-direction: row;
            }

            .related-img {
                width: 100px;
                min-height: 90px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .cta-title {
                font-size: 28px;
            }

            .cta-btn-wrap .btn-gold {
                width: 100%;
                margin-bottom: 10px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-brand .navbar-brand {
                justify-content: flex-start;
            }

            .btn-gold,
            .btn-outline-accent {
                width: 100%;
                text-align: center;
            }

            .article-back {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 18px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .article-hero-title {
                font-size: 24px;
            }

            .article-breadcrumb {
                font-size: 12px;
            }

            .related-title {
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --gold: #F5B800;
            --gold-light: #FFD34D;
            --gold-pale: #FFE9A0;
            --dark-blue: #0E1A2B;
            --dark-deep: #0B1420;
            --teal: #17C3B2;
            --light-bg: #F7F5F0;
            --light-card: #FFFFFF;
            --text-dark: #1E2A38;
            --text-sub: #5A6B7B;
            --border: #E8E4DA;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 20px rgba(14, 26, 43, 0.06);
            --shadow-hover: 0 8px 30px rgba(14, 26, 43, 0.12);
            --transition: all .3s ease;
            --font-serif: 'Noto Serif SC', serif;
            --font-sans: 'Noto Sans SC', sans-serif;
            --font-num: 'Orbitron', 'Rajdhani', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--teal);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
        }

        /* 深色导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(14, 26, 43, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(245, 184, 0, .15);
            transition: background .3s, box-shadow .3s;
        }
        .site-header.scrolled {
            background: rgba(11, 20, 32, .98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, .25);
            border-bottom-color: rgba(245, 184, 0, .4);
        }
        .custom-navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold), #e6a800);
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-blue);
            font-size: 18px;
            box-shadow: 0 2px 12px rgba(245, 184, 0, .35);
        }
        .brand-text {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 22px;
            color: #fff;
            letter-spacing: 1px;
        }
        .brand-text:hover {
            color: var(--gold-pale);
        }
        .custom-navbar .navbar-nav .nav-link {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .custom-navbar .navbar-nav .nav-link:hover,
        .custom-navbar .navbar-nav .nav-link.active {
            color: var(--gold);
            background: rgba(245, 184, 0, .08);
        }
        .custom-navbar .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--dark-blue);
            font-weight: 700;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 26px;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 3px 14px rgba(245, 184, 0, .3);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--dark-blue);
            box-shadow: 0 5px 20px rgba(245, 184, 0, .4);
        }
        .btn-gold:active {
            transform: scale(.97);
        }
        .btn-outline-teal {
            border: 2px solid var(--teal);
            color: var(--teal);
            background: transparent;
            border-radius: var(--radius-sm);
            padding: 10px 26px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .btn-outline-teal:hover {
            background: var(--teal);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(23, 195, 178, .25);
        }
        .btn-sm-nav {
            padding: 8px 20px;
            font-size: 13px;
        }
        .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 22px;
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* Hero 窄条 */
        .category-hero {
            position: relative;
            min-height: 320px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(11, 20, 32, .97) 30%, rgba(14, 26, 43, .82) 60%, rgba(14, 26, 43, .45));
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 6%;
            width: 180px;
            height: 180px;
            border: 2px solid rgba(245, 184, 0, .25);
            border-radius: 50%;
            transform: translateY(-50%);
            box-shadow: 0 0 60px rgba(245, 184, 0, .15), inset 0 0 40px rgba(245, 184, 0, .08);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .category-hero .hero-left {
            flex: 0 0 55%;
            max-width: 55%;
        }
        .category-hero .hero-right {
            flex: 0 0 38%;
            max-width: 38%;
        }
        .hero-kicker {
            font-family: var(--font-num);
            color: var(--teal);
            font-size: 13px;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 6px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-kicker::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 46px;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: 3px;
        }
        .category-hero h1 span {
            color: var(--gold);
        }
        .category-hero .hero-sub {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            max-width: 420px;
            line-height: 1.8;
        }
        .hero-deco-line {
            width: 70px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
            margin-bottom: 18px;
        }
        .hero-right {
            text-align: right;
        }
        .hero-right .hero-badge {
            display: inline-block;
            background: rgba(245, 184, 0, .12);
            border: 1px solid rgba(245, 184, 0, .35);
            color: var(--gold-pale);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            margin-bottom: 12px;
        }
        .hero-right .hero-quote {
            color: rgba(255, 255, 255, .9);
            font-size: 15px;
            font-style: italic;
            max-width: 280px;
            margin-left: auto;
            border-left: 3px solid var(--gold);
            padding-left: 14px;
        }

        /* 板块通用 */
        .section {
            padding: 96px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--teal);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.3;
            color: var(--dark-blue);
            margin-bottom: 16px;
        }
        .section-sub {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 700px;
            line-height: 1.8;
        }
        .section-head-center {
            text-align: center;
        }
        .section-head-center .section-label {
            justify-content: center;
        }
        .section-head-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* 时间线区块 */
        .timeline-section {
            background: var(--light-bg);
        }
        .timeline-wrap {
            position: relative;
            padding: 30px 0 10px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 49px;
            top: 20px;
            bottom: 20px;
            width: 3px;
            background: linear-gradient(180deg, var(--gold), rgba(245, 184, 0, .1));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            padding-left: 110px;
            padding-bottom: 40px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 39px;
            top: 28px;
            width: 22px;
            height: 22px;
            background: var(--dark-blue);
            border: 4px solid var(--gold);
            border-radius: 50%;
            z-index: 2;
            box-shadow: 0 0 0 4px rgba(245, 184, 0, .2);
        }
        .timeline-dot.active {
            background: var(--gold);
            box-shadow: 0 0 0 6px rgba(245, 184, 0, .15), 0 0 20px rgba(245, 184, 0, .4);
        }
        .timeline-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 28px 30px;
            display: flex;
            gap: 24px;
            align-items: flex-start;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-left-color: var(--gold);
            transform: translateX(6px);
        }
        .timeline-card .card-img {
            flex: 0 0 120px;
            width: 120px;
            height: 90px;
            border-radius: 10px;
            object-fit: cover;
        }
        .timeline-card .card-body-c {
            flex: 1;
        }
        .timeline-card .card-body-c h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark-blue);
        }
        .timeline-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-sub);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .timeline-card .card-meta i {
            color: var(--gold);
            margin-right: 3px;
        }
        .timeline-card .card-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .badge-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .badge-status.signup {
            background: rgba(245, 184, 0, .14);
            color: #b88900;
            border: 1px solid rgba(245, 184, 0, .3);
        }
        .badge-status.upcoming {
            background: rgba(23, 195, 178, .12);
            color: #0e8f83;
            border: 1px solid rgba(23, 195, 178, .3);
        }
        .badge-status.prepare {
            background: rgba(90, 107, 123, .1);
            color: var(--text-sub);
            border: 1px solid rgba(90, 107, 123, .2);
        }
        .btn-sm-custom {
            padding: 5px 16px;
            font-size: 12px;
            border-radius: 8px;
        }

        /* 服务卖点（深色） */
        .service-section {
            background: var(--dark-blue);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .service-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 184, 0, .12), transparent 70%);
            pointer-events: none;
        }
        .service-section .section-title {
            color: #fff;
        }
        .service-section .section-sub {
            color: rgba(255, 255, 255, .65);
        }
        .service-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            padding: 34px 28px;
            height: 100%;
            transition: var(--transition);
        }
        .service-card:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(245, 184, 0, .4);
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
        }
        .service-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--gold), #d9a400);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--dark-blue);
            margin-bottom: 18px;
            box-shadow: 0 4px 14px rgba(245, 184, 0, .3);
        }
        .service-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .service-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 数据面板 */
        .stats-section {
            background: var(--light-bg);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border-top: 3px solid var(--gold);
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 900;
            color: var(--dark-blue);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-num span {
            color: var(--teal);
            font-size: 28px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 500;
        }

        /* 参赛流程 */
        .process-section {
            background: var(--dark-deep);
            color: #fff;
        }
        .process-section .section-title {
            color: #fff;
        }
        .process-section .section-sub {
            color: rgba(255, 255, 255, .6);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            margin-top: 50px;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 0 10px;
        }
        .step-item::after {
            content: '→';
            position: absolute;
            right: -18px;
            top: 30px;
            color: var(--gold);
            font-size: 22px;
            font-weight: 700;
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: rgba(245, 184, 0, .12);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--gold);
        }
        .step-item h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: #fff;
        }
        .step-item p {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.6;
        }

        /* 玩家评价 */
        .testimonial-section {
            background: var(--light-bg);
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow-card);
            height: 100%;
            border-bottom: 3px solid var(--gold);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .testimonial-stars {
            color: var(--gold);
            font-size: 14px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            color: var(--text-dark);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--teal));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-blue);
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, .1);
        }
        .testimonial-user .user-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark-blue);
        }
        .testimonial-user .user-tag {
            font-size: 12px;
            color: var(--text-sub);
        }

        /* FAQ */
        .faq-section {
            background: var(--light-bg);
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark-blue);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-q:hover {
            background: #faf8f2;
        }
        .faq-q .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(245, 184, 0, .14);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
        }
        .faq-q .fa-chevron-down {
            margin-left: auto;
            font-size: 12px;
            color: var(--text-sub);
            transition: var(--transition);
        }
        .faq-item.open .faq-q .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-a {
            display: none;
            padding: 0 22px 18px 64px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 96px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 20, 32, .96), rgba(14, 26, 43, .88));
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 900;
            margin-bottom: 14px;
        }
        .cta-section h2 span {
            color: var(--gold);
        }
        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 30px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark-deep);
            color: rgba(255, 255, 255, .65);
            padding: 64px 0 0;
            border-top: 3px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .navbar-brand {
            margin-bottom: 16px;
        }
        .footer-about {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .6);
            font-size: 15px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--gold);
            color: var(--dark-blue);
            transform: translateY(-3px);
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 13px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .55);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-contact i {
            color: var(--gold);
            margin-right: 8px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* 返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 42px;
            height: 42px;
            background: var(--gold);
            color: var(--dark-blue);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(245, 184, 0, .3);
            z-index: 1020;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--gold-light);
            transform: translateY(-3px);
        }

        /* AI 扩展内容区 */
        .ai-extra-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .ai-benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .ai-benefit-card {
            background: var(--light-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }
        .ai-benefit-card:hover {
            background: #f0ede5;
            transform: translateY(-3px);
        }
        .ai-benefit-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(23, 195, 178, .1);
            color: var(--teal);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .ai-benefit-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark-blue);
            margin-bottom: 4px;
        }
        .ai-benefit-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* 响应式 */
        @media (max-width: 1199px) {
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }
            .step-item:nth-child(3)::after {
                display: none;
            }
        }
        @media (max-width: 991px) {
            .section {
                padding: 72px 0;
            }
            .category-hero .hero-inner {
                flex-direction: column;
            }
            .category-hero .hero-left,
            .category-hero .hero-right {
                flex: 0 0 100%;
                max-width: 100%;
                text-align: center;
            }
            .category-hero .hero-sub {
                margin: 0 auto;
            }
            .hero-deco-line {
                margin: 0 auto 18px;
            }
            .hero-right .hero-quote {
                margin-left: auto;
                margin-right: auto;
                text-align: left;
                max-width: 400px;
            }
            .team-img {
                margin-top: 30px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ai-benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .timeline-card {
                flex-direction: column;
            }
            .timeline-card .card-img {
                width: 100%;
                height: 160px;
                flex: none;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .category-hero {
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .section-title {
                font-size: 28px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .step-item::after {
                display: none;
            }
            .ai-benefit-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .timeline-wrap::before {
                left: 24px;
            }
            .timeline-item {
                padding-left: 60px;
            }
            .timeline-dot {
                left: 15px;
            }
            .timeline-card {
                padding: 20px;
            }
            .btn-gold,
            .btn-outline-teal {
                padding: 10px 22px;
            }
            .cta-section h2 {
                font-size: 30px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 30px;
            }
            .brand-text {
                font-size: 18px;
            }
            .section-title {
                font-size: 24px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .timeline-card .card-img {
                height: 130px;
            }
        }

/* roulang page: category3 */
:root {
            --gold: #F5B800;
            --gold-light: #FFD34D;
            --gold-pale: #FFE9A0;
            --night: #0E1A2B;
            --night-light: #16243A;
            --cyan: #17C3B2;
            --bg-light: #F7F5F0;
            --text-dark: #1E2A38;
            --text-muted: #5A6B7B;
            --border-light: #E8E2D8;
            --radius-lg: 18px;
            --radius-md: 12px;
            --shadow-sm: 0 4px 20px rgba(14, 26, 43, 0.06);
            --shadow-hover: 0 8px 30px rgba(14, 26, 43, 0.12);
            --font-serif: 'Noto Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Orbitron', 'Rajdhani', monospace;
            --section-gap: 96px;
            --container-width: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--cyan);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-width);
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-pad {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 991.98px) {
            :root {
                --section-gap: 64px;
            }
        }

        /* ===== Buttons ===== */
        .btn-gold {
            background: var(--gold);
            color: var(--night) !important;
            font-weight: 700;
            border: none;
            border-radius: 10px;
            padding: 12px 28px;
            font-size: 15px;
            line-height: 1.5;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-gold:hover {
            background: var(--gold-light);
            transform: scale(1.02);
            box-shadow: 0 6px 22px rgba(245, 184, 0, 0.35);
        }
        .btn-gold:active {
            transform: scale(0.98);
        }
        .btn-outline-cyan {
            background: transparent;
            color: var(--cyan) !important;
            border: 2px solid var(--cyan);
            border-radius: 10px;
            padding: 11px 27px;
            font-weight: 600;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-cyan:hover {
            background: var(--cyan);
            color: #fff !important;
            box-shadow: 0 6px 22px rgba(23, 195, 178, 0.3);
        }
        .btn-sm-nav {
            padding: 8px 22px;
            font-size: 14px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(14, 26, 43, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(10, 18, 30, 1);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
            border-bottom: 1px solid var(--gold);
        }
        .custom-navbar {
            padding: 14px 0;
        }
        .custom-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
        }
        .custom-navbar .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--gold);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--night);
            font-size: 18px;
            box-shadow: 0 0 0 2px rgba(245, 184, 0, 0.4), 0 0 16px rgba(245, 184, 0, 0.25);
        }
        .custom-navbar .brand-text {
            font-family: var(--font-serif);
        }
        .custom-navbar .navbar-nav {
            gap: 6px;
        }
        .custom-navbar .nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 8px;
            transition: all .25s ease;
            position: relative;
        }
        .custom-navbar .nav-link:hover {
            color: var(--gold-light) !important;
        }
        .custom-navbar .nav-link.active {
            color: var(--gold) !important;
            font-weight: 700;
        }
        .custom-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3) !important;
            padding: 6px 10px;
            color: #fff !important;
            background: transparent;
            border-radius: 8px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.35) !important;
        }
        @media (max-width: 991.98px) {
            .custom-navbar .navbar-collapse {
                background: rgba(14, 26, 43, 0.98);
                margin-top: 12px;
                border-radius: 14px;
                padding: 20px;
                border: 1px solid rgba(255, 255, 255, 0.1);
            }
            .custom-navbar .navbar-nav {
                gap: 2px;
                margin-bottom: 14px;
            }
            .custom-navbar .nav-link {
                padding: 12px 14px !important;
                border-radius: 10px;
            }
            .custom-navbar .nav-link.active {
                background: rgba(245, 184, 0, 0.12);
            }
            .custom-navbar .nav-link.active::after {
                display: none;
            }
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 170px 0 80px;
            background: linear-gradient(135deg, var(--night) 0%, #101f33 55%, #0c1625 100%);
            background-image: url('/assets/images/backpic/back-2.png'), linear-gradient(135deg, var(--night) 0%, #101f33 55%, #0c1625 100%);
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(14, 26, 43, 0.85), rgba(14, 26, 43, 0.7));
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(245, 184, 0, 0.28) 0%, transparent 70%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 30px;
        }
        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 900;
            color: #fff;
            margin: 0;
            letter-spacing: 3px;
            line-height: 1.3;
            position: relative;
        }
        .category-hero h1::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--gold);
            border-radius: 4px;
            margin-top: 16px;
        }
        .category-hero .hero-desc {
            color: var(--gold-pale);
            font-size: 16px;
            max-width: 340px;
            text-align: right;
            line-height: 1.8;
        }
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 140px 0 60px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-desc {
                text-align: left;
                font-size: 14px;
                max-width: 100%;
            }
        }

        /* ===== Section Head ===== */
        .section-head {
            margin-bottom: 48px;
            text-align: center;
        }
        .section-head .section-eyebrow {
            display: inline-block;
            background: rgba(245, 184, 0, 0.14);
            color: #B88A00;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 999px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-head.light h2 {
            color: #fff;
        }
        .section-head.light p {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 767.98px) {
            .section-head h2 {
                font-size: 26px;
            }
            .section-head p {
                font-size: 14px;
            }
        }

        /* ===== Thread Cards ===== */
        .thread-section {
            padding: var(--section-gap) 0;
            background: var(--bg-light);
        }
        .thread-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }
        .thread-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            display: flex;
            gap: 20px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid transparent;
            transition: all .3s ease;
        }
        .thread-card:hover {
            box-shadow: var(--shadow-hover);
            border-left-color: var(--gold);
            transform: translateY(-3px);
        }
        .thread-avatar {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .av-gold {
            background: linear-gradient(135deg, #F5B800, #d99a00);
        }
        .av-cyan {
            background: linear-gradient(135deg, #17C3B2, #0e9a8e);
        }
        .av-blue {
            background: linear-gradient(135deg, #3a7bd5, #2e5da8);
        }
        .av-purple {
            background: linear-gradient(135deg, #8e6bd8, #6a4cb8);
        }
        .av-orange {
            background: linear-gradient(135deg, #f07b3f, #d15f28);
        }
        .av-teal {
            background: linear-gradient(135deg, #1f8a70, #136b55);
        }
        .thread-content {
            flex: 1;
            min-width: 0;
        }
        .thread-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .thread-user {
            font-weight: 700;
            font-size: 14px;
            color: var(--text-dark);
        }
        .badge-role {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
        }
        .role-vip {
            background: rgba(245, 184, 0, 0.18);
            color: #B88A00;
        }
        .role-pro {
            background: rgba(23, 195, 178, 0.15);
            color: #0e9a8e;
        }
        .role-editor {
            background: rgba(58, 123, 213, 0.15);
            color: #2e5da8;
        }
        .thread-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-light);
        }
        .thread-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .thread-title:hover {
            color: var(--night);
        }
        .thread-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .thread-footer {
            display: flex;
            align-items: center;
            gap: 22px;
            font-size: 13px;
            color: #9aa7b5;
        }
        .thread-stat {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .thread-stat i {
            color: var(--gold);
        }
        .thread-time {
            margin-left: auto;
        }
        .thread-link {
            color: var(--cyan);
            font-weight: 600;
            font-size: 14px;
        }
        .thread-link:hover {
            color: var(--night);
        }
        @media (max-width: 767.98px) {
            .thread-card {
                padding: 20px 16px;
                flex-direction: column;
                gap: 12px;
            }
            .thread-avatar {
                width: 44px;
                height: 44px;
                font-size: 16px;
            }
            .thread-title {
                font-size: 16px;
            }
            .thread-excerpt {
                font-size: 13px;
            }
            .thread-footer {
                gap: 14px;
                flex-wrap: wrap;
            }
            .thread-time {
                margin-left: 0;
                width: 100%;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 80px 0;
            background: var(--night);
            background-image: url('/assets/images/backpic/back-3.webp'), linear-gradient(135deg, var(--night), #0c1625);
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(14, 26, 43, 0.82);
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(245, 184, 0, 0.12);
            transition: all .3s ease;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(245, 184, 0, 0.4);
            transform: translateY(-4px);
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 6px;
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .stat-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            line-height: 1.6;
        }
        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767.98px) {
            .stats-section {
                background-attachment: scroll;
                padding: 56px 0;
            }
            .stat-num {
                font-size: 30px;
            }
        }

        /* ===== Featured ===== */
        .featured-section {
            padding: var(--section-gap) 0;
            background: var(--bg-light);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .feature-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .feature-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .feature-card .feature-body {
            padding: 24px 26px 28px;
        }
        .feature-card .feature-badge {
            display: inline-block;
            background: rgba(245, 184, 0, 0.15);
            color: #B88A00;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .feature-card .btn-more {
            color: var(--cyan);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-card .btn-more:hover {
            color: var(--night);
        }
        @media (max-width: 991.98px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .feature-card img {
                height: 160px;
            }
        }

        /* ===== Steps ===== */
        .steps-section {
            padding: var(--section-gap) 0;
            background: #fff;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .step-item {
            text-align: center;
            padding: 36px 22px;
            border-radius: var(--radius-lg);
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            transition: all .3s ease;
            position: relative;
        }
        .step-item:hover {
            border-color: var(--gold);
            background: rgba(245, 184, 0, 0.05);
            transform: translateY(-4px);
        }
        .step-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--gold);
            display: block;
            margin-bottom: 14px;
        }
        .step-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: var(--night);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 991.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-light);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            border: 1px solid var(--border-light);
            transition: all .25s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            border-radius: var(--radius-md);
        }
        .faq-item .faq-q-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(245, 184, 0, 0.15);
            color: #B88A00;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .faq-item .faq-arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 14px;
            transition: transform .3s ease;
        }
        .faq-item .faq-question[aria-expanded="true"] .faq-arrow {
            transform: rotate(180deg);
            color: var(--gold);
        }
        .faq-item .faq-answer {
            padding: 0 24px 22px 66px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: var(--night);
            background-image: url('/assets/images/backpic/back-1.webp'), radial-gradient(ellipse at 30% 50%, rgba(245, 184, 0, 0.2), transparent 60%);
            background-size: cover;
            background-position: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(14, 26, 43, 0.78);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 38px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .cta-section p {
            color: var(--gold-pale);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        @media (max-width: 767.98px) {
            .cta-section {
                padding: 64px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0B1420;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 3px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-serif);
        }
        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8) !important;
            transition: all .25s ease;
        }
        .footer-social a:hover {
            background: var(--gold);
            color: var(--night) !important;
            transform: translateY(-2px);
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--gold);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65) !important;
            font-size: 14px;
            transition: all .25s ease;
        }
        .footer-links a:hover {
            color: var(--gold-light) !important;
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact i {
            color: var(--gold);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        /* ===== Focus visibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--night);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(245, 184, 0, 0.5);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gold);
        }