/* roulang page: index */
:root {
            --primary: #f5b50a;
            --primary-light: #ffd75c;
            --primary-dark: #d99a06;
            --secondary: #7c3aed;
            --accent: #22d3ee;
            --bg-dark: #080e1f;
            --bg-dark2: #0d1528;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-solid: #121a30;
            --bg-soft: rgba(245, 181, 10, 0.06);
            --text-primary: #f0f4fc;
            --text-body: #c9d3e8;
            --text-muted: #7e8aa5;
            --border-soft: rgba(255, 255, 255, 0.08);
            --radius: 18px;
            --radius-lg: 28px;
            --radius-sm: 10px;
            --shadow-card: 0 18px 40px rgba(0, 0, 0, 0.28);
            --shadow-gold: 0 8px 30px rgba(245, 181, 10, 0.2);
            --shadow-primary: 0 10px 30px rgba(245, 181, 10, 0.3);
            --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
            --section-space: 96px;
            --header-height: 76px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.7;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            vertical-align: middle;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--section-space) 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-head .eyebrow {
            display: inline-block;
            background: var(--bg-soft);
            border: 1px solid rgba(245, 181, 10, 0.2);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: clamp(28px, 4vw, 44px);
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 0;
        }
        .text-gradient {
            background: linear-gradient(135deg, #f5b50a 0%, #ffd75c 50%, #f5b50a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            border-radius: 999px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.3s ease;
            font-size: 15px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #f5b50a, #ffc93c);
            border: none;
            color: #0b1020;
            box-shadow: var(--shadow-primary);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: linear-gradient(135deg, #ffc93c, #f5b50a);
            color: #0b1020;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(245, 181, 10, 0.35);
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
            color: var(--text-primary);
        }
        .btn-outline-light:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(245, 181, 10, 0.1);
            transform: translateY(-2px);
        }

        .top-info-bar {
            background: #060b18;
            border-bottom: 1px solid var(--border-soft);
            font-size: 13px;
            color: var(--text-muted);
            padding: 8px 0;
        }
        .top-info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .info-left,
        .info-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .info-left i,
        .info-right i {
            color: var(--primary);
            margin-right: 4px;
        }
        .info-link {
            color: var(--primary-light);
        }
        .info-link:hover {
            color: #fff;
        }

        .main-navbar {
            background: rgba(8, 14, 31, 0.9) !important;
            -webkit-backdrop-filter: blur(18px);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .main-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, #f5b50a, #d99a06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0b1020;
            font-size: 16px;
            box-shadow: var(--shadow-primary);
        }
        .brand-text span {
            color: var(--primary);
        }
        .main-navbar .navbar-nav .nav-link {
            color: var(--text-body);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 12px;
            margin: 0 2px;
            transition: all 0.3s ease;
        }
        .main-navbar .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(245, 181, 10, 0.08);
        }
        .main-navbar .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(245, 181, 10, 0.1);
            font-weight: 600;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 10px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(8, 14, 31, 0.96) 30%, rgba(8, 14, 31, 0.76) 70%, rgba(8, 14, 31, 0.45));
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 181, 10, 0.3), transparent 70%);
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 181, 10, 0.12);
            border: 1px solid rgba(245, 181, 10, 0.35);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: clamp(34px, 5.5vw, 58px);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-body);
            max-width: 520px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta i {
            color: var(--primary);
        }
        .countdown-card {
            background: rgba(13, 21, 40, 0.75);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 30px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            text-align: center;
            max-width: 420px;
            margin-left: auto;
        }
        .countdown-label {
            font-size: 14px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 18px;
        }
        .countdown-label i {
            color: var(--primary);
            margin-right: 6px;
        }
        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            padding: 14px 6px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .countdown-item .num {
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            color: var(--text-primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .countdown-item .unit {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
            letter-spacing: 0.08em;
        }
        .countdown-note {
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .countdown-note i {
            color: var(--primary);
            font-size: 12px;
        }

        .feature-section {
            background: var(--bg-dark2);
            position: relative;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card-solid);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 36px 28px;
            transition: all 0.35s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.35s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(245, 181, 10, 0.3);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: var(--bg-soft);
            color: var(--primary);
            border: 1px solid rgba(245, 181, 10, 0.2);
        }
        .feature-card h3 {
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .category-section {
            background: var(--bg-dark);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--bg-card-solid);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all 0.35s ease;
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card);
            border-color: rgba(245, 181, 10, 0.25);
        }
        .category-card .thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .category-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .thumb img {
            transform: scale(1.05);
        }
        .category-card .thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8, 14, 31, 0.85));
        }
        .category-card .body {
            padding: 24px;
            position: relative;
        }
        .category-card .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(245, 181, 10, 0.92);
            color: #0b1020;
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .category-card h3 {
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .category-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        .category-link:hover {
            color: var(--primary-light);
        }
        .category-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }
        .category-card:hover .category-link i {
            transform: translateX(4px);
        }

        .process-section {
            background: var(--bg-dark2);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: process;
        }
        .process-card {
            background: var(--bg-card-solid);
            border-radius: var(--radius);
            padding: 36px 28px;
            border: 1px solid var(--border-soft);
            position: relative;
            transition: all 0.35s ease;
        }
        .process-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
        }
        .process-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-soft);
            border: 2px solid rgba(245, 181, 10, 0.35);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .process-card h3 {
            color: var(--text-primary);
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .process-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            font-size: 18px;
            color: var(--primary);
            z-index: 2;
            transform: translateY(-50%);
        }

        .news-section {
            background: var(--bg-dark);
        }
        .news-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card-solid);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 22px 26px;
            margin-bottom: 14px;
            transition: all 0.3s ease;
        }
        .news-item:hover {
            border-color: rgba(245, 181, 10, 0.3);
            background: rgba(18, 26, 48, 0.9);
            transform: translateX(6px);
            box-shadow: var(--shadow-card);
        }
        .news-cat {
            flex-shrink: 0;
            background: var(--bg-soft);
            border: 1px solid rgba(245, 181, 10, 0.2);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-body h3 {
            color: var(--text-primary);
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-body p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-time {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .news-time i {
            color: var(--primary);
            font-size: 12px;
        }
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card-solid);
            border: 1px dashed var(--border-soft);
            border-radius: var(--radius);
        }
        .empty-state i {
            font-size: 32px;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: block;
        }

        .stats-section {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 14, 31, 0.88);
        }
        .stats-section .container {
            position: relative;
            z-index: 1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 36px 20px;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            background: rgba(245, 181, 10, 0.08);
            border-color: rgba(245, 181, 10, 0.25);
        }
        .stat-num {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            color: var(--text-body);
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .faq-section {
            background: var(--bg-dark2);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-card-solid);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: 0;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(245, 181, 10, 0.05);
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f5b50a'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-body {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            padding: 4px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(8, 14, 31, 0.95), rgba(8, 14, 31, 0.72));
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: clamp(28px, 4vw, 44px);
            color: var(--text-primary);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section h2 span {
            color: var(--primary);
        }
        .cta-section p {
            color: var(--text-body);
            font-size: 18px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .footer {
            background: #060b18;
            border-top: 1px solid var(--border-soft);
            padding: 60px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 14px;
            transition: all 0.25s ease;
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            :root {
                --section-space: 72px;
            }
            .feature-grid,
            .category-grid,
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero {
                padding: 90px 0 70px;
            }
            .countdown-card {
                margin-top: 40px;
                margin-left: 0;
            }
        }
        @media (max-width: 768px) {
            .top-info-bar .container {
                justify-content: center;
                text-align: center;
            }
            .info-left,
            .info-right {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
            .feature-grid,
            .category-grid,
            .process-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .main-navbar .navbar-collapse {
                padding-top: 16px;
            }
            .main-navbar .nav-cta {
                margin: 12px 0 8px;
            }
            .process-arrow {
                display: none;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 18px;
            }
            .news-body h3 {
                white-space: normal;
                line-height: 1.4;
            }
            .news-time {
                width: 100%;
                font-size: 12px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-actions .btn {
                width: auto;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .countdown-grid {
                gap: 6px;
            }
            .countdown-item {
                padding: 10px 4px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .section-head .eyebrow {
                font-size: 12px;
            }
            .call-to-action .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #7c3aed;
            --primary-dark: #5b21b6;
            --primary-light: #a78bfa;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-dark: #0d0d1a;
            --bg-dark-2: #151528;
            --bg-light: #f8f7fc;
            --text-dark: #1c1c2e;
            --text-muted: #6b7280;
            --text-light: #e5e7eb;
            --border-color: #e8e6f0;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1200px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2.5rem;
        }

        .text-accent {
            color: var(--accent) !important;
        }

        .text-primary {
            color: var(--primary) !important;
        }

        .btn {
            border-radius: 50px;
            padding: 0.65rem 1.75rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 6px 18px rgba(124, 58, 237, 0.3);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(124, 58, 237, 0.4);
        }

        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--dark);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245, 158, 11, 0.45);
        }

        .btn-outline-light {
            border-radius: 50px;
            border-width: 2px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            border-radius: 50px;
            border-width: 2px;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus,
        .btn-close:focus,
        .form-control:focus {
            outline: 3px solid rgba(124, 58, 237, 0.35);
            box-shadow: none;
        }

        .top-bar {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.8rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar i {
            color: var(--accent);
            margin-right: 6px;
        }

        .top-bar-domain {
            font-family: "SF Mono", "Consolas", monospace;
            letter-spacing: 0.03em;
            color: rgba(255, 255, 255, 0.55);
        }

        .main-navbar {
            background: #fff;
            padding: 14px 0;
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

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

        .main-navbar .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 12px;
            font-size: 1.2rem;
            box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
        }

        .main-navbar .brand-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(120deg, var(--primary-dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-navbar .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--text-dark);
            padding: 0.5rem 1.1rem;
            border-radius: 50px;
            margin: 0 2px;
            position: relative;
        }

        .main-navbar .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transform: translateX(-50%);
            transition: width 0.3s ease;
        }

        .main-navbar .navbar-nav .nav-link:hover {
            color: var(--primary);
        }

        .main-navbar .navbar-nav .nav-link:hover::after,
        .main-navbar .navbar-nav .nav-link.active::after {
            width: 30%;
        }

        .main-navbar .navbar-nav .nav-link.active {
            color: var(--primary);
        }

        .main-navbar .nav-cta {
            padding: 0.5rem 1.5rem;
            font-size: 0.92rem;
            white-space: nowrap;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92), rgba(91, 33, 182, 0.78)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 110px 0 150px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .page-hero h1 .text-accent {
            color: var(--accent) !important;
        }

        .page-hero .lead-text {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-stats {
            position: relative;
            z-index: 10;
            margin-top: -72px;
        }

        .hero-stats .stat-item {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 28px 18px;
            text-align: center;
            height: 100%;
            border-bottom: 3px solid var(--primary);
            transition: var(--transition);
        }

        .hero-stats .stat-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 52px rgba(0, 0, 0, 0.12);
        }

        .hero-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .hero-stats .stat-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .about-section {
            padding: 90px 0 70px;
            background: var(--white);
        }

        .about-section .about-img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .about-section .about-badge {
            background: rgba(124, 58, 237, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .about-section .about-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .about-section .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.85;
        }

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

        .about-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 9px 0;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .about-list li i {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 50%;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .channel-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .channel-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }

        .channel-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .channel-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 190px;
        }

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

        .channel-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .channel-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 13, 26, 0.35), transparent 55%);
        }

        .channel-card .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .channel-card .card-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 12px;
            font-size: 1.1rem;
            margin-bottom: 16px;
            box-shadow: 0 6px 14px rgba(124, 58, 237, 0.25);
        }

        .channel-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .channel-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }

        .channel-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.88rem;
            margin-top: 16px;
        }

        .channel-card .card-link i {
            transition: transform 0.3s ease;
        }

        .channel-card .card-link:hover i {
            transform: translateX(4px);
        }

        .process-section {
            padding: 85px 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.94), rgba(91, 33, 182, 0.82)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
        }

        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 30px 20px;
        }

        .process-step .step-num {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            position: relative;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .process-step::before {
            content: "";
            position: absolute;
            top: 64px;
            left: calc(50% + 52px);
            width: calc(100% - 104px);
            height: 2px;
            background: repeating-linear-gradient(to right, rgba(255, 255, 255, 0.25) 0 8px, transparent 8px 16px);
        }

        .process-step:last-child::before {
            display: none;
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            max-width: 220px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .news-section {
            padding: 80px 0;
            background: var(--white);
        }

        .news-card {
            background: var(--bg-light);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.03);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            background: #fff;
        }

        .news-card .news-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card .news-body {
            padding: 22px;
        }

        .news-card .news-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(124, 58, 237, 0.08);
            padding: 4px 14px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .news-card h3 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .news-card .news-meta {
            font-size: 0.75rem;
            color: #9ca3af;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .faq-section {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .faq-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
            height: 100%;
            border-left: 4px solid var(--primary);
            transition: var(--transition);
        }

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

        .faq-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-card h4 i {
            color: var(--primary);
            font-size: 0.9rem;
        }

        .faq-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92), rgba(91, 33, 182, 0.75)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 0;
            font-size: 0.88rem;
        }

        .footer .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer .brand-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer .brand-text .brand-icon {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            font-size: 0.95rem;
            color: #fff;
        }

        .footer .footer-brand p {
            margin: 18px 0 0;
            max-width: 300px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer .footer-col h4::before {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

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

        .footer .footer-col li {
            padding: 6px 0;
        }

        .footer .footer-col a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .footer .footer-col a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer .footer-bottom {
            padding: 22px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.78rem;
        }

        @media (max-width: 992px) {
            .page-hero {
                padding: 80px 0 130px;
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
            .main-navbar .navbar-collapse {
                background: #fff;
                border-radius: 16px;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                margin-top: 12px;
            }
            .main-navbar .navbar-nav .nav-link {
                padding: 0.6rem 1rem;
            }
            .main-navbar .nav-cta {
                margin: 12px 0 0 0;
                display: inline-block;
            }
            .footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .page-hero {
                padding: 64px 0 120px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero .lead-text {
                font-size: 1rem;
            }
            .hero-actions .btn {
                padding: 0.55rem 1.4rem;
                font-size: 0.92rem;
            }
            .process-step::before {
                display: none;
            }
            .process-step {
                padding: 20px 12px;
            }
            .footer .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .about-section .about-img {
                height: 260px;
                margin-bottom: 24px;
            }
        }

        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 1.55rem;
            }
            .hero-stats {
                margin-top: -50px;
            }
            .hero-stats .stat-item {
                padding: 20px 12px;
            }
            .hero-stats .stat-num {
                font-size: 1.45rem;
            }
            .brand-text {
                font-size: 1.1rem;
            }
            .main-navbar .brand-text {
                font-size: 1.15rem;
            }
            .channel-card .card-img-wrap {
                height: 160px;
            }
        }

/* roulang page: article */
:root {
            --primary: #e8b64c;
            --primary-dark: #c79532;
            --primary-light: #f0d38a;
            --accent: #7b5cff;
            --bg-body: #0d0d16;
            --bg-deep: #0a0a12;
            --bg-card: #151322;
            --bg-card-hover: #1b1830;
            --text-heading: #f5f2ff;
            --text-body: #c4c4d8;
            --text-muted: #8280a0;
            --border-soft: rgba(255,255,255,0.06);
            --border-gold: rgba(232,182,76,0.22);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.20);
            --shadow-md: 0 12px 32px rgba(0,0,0,0.32);
            --shadow-gold: 0 6px 24px rgba(232,182,76,0.14);
            --space-section: 90px;
            --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-main);
            background-color: var(--bg-body);
            color: var(--text-body);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: var(--primary); transition: color .2s; }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; }
        .btn { border-radius: 50px; padding: 10px 28px; font-weight: 600; transition: all .25s; }
        .btn-primary {
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
            --bs-btn-color: #0a0a12;
            --bs-btn-hover-bg: var(--primary-light);
            --bs-btn-hover-border-color: var(--primary-light);
            --bs-btn-hover-color: #0a0a12;
            --bs-btn-active-bg: var(--primary-dark);
            --bs-btn-active-border-color: var(--primary-dark);
            --bs-btn-focus-shadow-rgb: 232, 182, 76;
            box-shadow: var(--shadow-gold);
        }
        .btn-light {
            --bs-btn-bg: #fff;
            --bs-btn-border-color: #fff;
            --bs-btn-color: #0a0a12;
            --bs-btn-hover-bg: #f0d38a;
            --bs-btn-hover-border-color: #f0d38a;
            --bs-btn-hover-color: #0a0a12;
        }
        .badge {
            border-radius: 50px;
            padding: 5px 14px;
            font-weight: 500;
        }
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            z-index: 1090;
            width: 0;
            transition: width .06s linear;
            box-shadow: 0 0 10px rgba(232,182,76,0.4);
        }

        .top-info-bar {
            background: linear-gradient(90deg, #0a0a12, #171325, #0a0a12);
            border-bottom: 1px solid var(--border-gold);
            font-size: .82rem;
            color: rgba(255,255,255,0.6);
            padding: 7px 0;
        }
        .top-info-bar .info-left { display: flex; align-items: center; gap: 8px; }
        .top-info-bar .info-right { display: flex; align-items: center; gap: 14px; }
        .top-info-bar .info-text { display: inline-flex; align-items: center; gap: 5px; }
        .top-info-bar .info-divider { width: 1px; height: 12px; background: rgba(255,255,255,0.15); }

        .main-navbar {
            background: var(--bg-deep);
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 4px 20px rgba(0,0,0,0.22);
            min-height: 72px;
        }
        .main-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: .02em;
        }
        .main-navbar .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0a0a12;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
        }
        .main-navbar .navbar-nav { align-items: center; }
        .main-navbar .nav-link {
            padding: 0 18px !important;
            line-height: 72px;
            font-size: .95rem;
            font-weight: 500;
            color: rgba(255,255,255,0.8) !important;
            border-bottom: 2px solid transparent;
            transition: color .2s, border-color .2s;
        }
        .main-navbar .nav-link:hover {
            color: var(--primary) !important;
            border-bottom-color: var(--primary);
        }
        .main-navbar .nav-link.active {
            color: var(--primary) !important;
            border-bottom-color: var(--primary);
        }
        .main-navbar .nav-cta {
            border-radius: 50px;
            padding: 9px 26px;
            font-weight: 600;
            font-size: .9rem;
        }
        .main-navbar .navbar-toggler {
            border: 1px solid rgba(255,255,255,0.2);
            padding: 6px 10px;
        }
        .main-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .article-hero {
            background: var(--bg-deep) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            position: relative;
            padding: 80px 0 56px;
            border-bottom: 1px solid var(--border-soft);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,10,18,0.86), rgba(10,10,18,0.95));
            z-index: 0;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a { color: var(--text-muted); transition: color .2s; }
        .breadcrumb-nav a:hover { color: var(--primary); }
        .breadcrumb-nav i { font-size: .6rem; color: var(--text-muted); }
        .breadcrumb-nav .breadcrumb-current { color: var(--primary-light); }
        .article-title {
            font-size: clamp(1.7rem, 3vw, 2.55rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: .01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: rgba(255,255,255,0.7);
            font-size: .88rem;
        }
        .article-meta .meta-category {
            background: var(--border-gold);
            border: 1px solid var(--border-gold);
            padding: 4px 14px;
            border-radius: 50px;
            color: var(--primary-light) !important;
            font-size: .82rem !important;
        }

        .article-section { padding: 60px 0 30px; }
        .article-main {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-cover {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .article-cover img {
            width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }
        .article-content {
            font-size: 1.0625rem;
            line-height: 1.95;
            color: #d8d5e6;
        }
        .article-content p { margin-bottom: 1.4rem; }
        .article-content h2 {
            color: var(--text-heading);
            font-weight: 700;
            font-size: 1.45rem;
            margin: 1.8rem 0 1rem;
        }
        .article-content h3 {
            color: var(--text-heading);
            font-weight: 600;
            font-size: 1.2rem;
            margin: 1.5rem 0 .9rem;
        }
        .article-content ul, .article-content ol {
            padding-left: 1.4rem;
            margin-bottom: 1.4rem;
        }
        .article-content li { margin-bottom: .45rem; }
        .article-content img { border-radius: 12px; margin: 1rem 0; }
        .article-content a { color: var(--primary); border-bottom: 1px dashed var(--border-gold); }
        .article-content a:hover { color: var(--primary-light); border-bottom-color: var(--primary-light); }
        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(232,182,76,0.06);
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-heading);
            margin: 1.4rem 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-top: 34px;
            padding-top: 28px;
            border-top: 1px solid var(--border-soft);
        }
        .article-tags .tags-label {
            color: var(--text-muted);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .tag-badge {
            background: rgba(232,182,76,0.12);
            border: 1px solid var(--border-gold);
            color: var(--primary-light);
            font-size: .82rem;
            padding: 4px 14px;
            transition: all .2s;
        }
        .tag-badge:hover { background: rgba(232,182,76,0.22); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            color: var(--text-muted);
            font-size: .9rem;
        }
        .share-link {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-card-hover);
            border: 1px solid var(--border-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            font-size: .9rem;
            transition: all .25s;
        }
        .share-link:hover {
            background: var(--primary);
            color: #0a0a12;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .not-found-block {
            text-align: center;
            padding: 50px 20px;
        }
        .not-found-block i {
            font-size: 3.4rem;
            color: var(--primary);
            margin-bottom: 18px;
            display: block;
        }
        .not-found-block h2 {
            color: var(--text-heading);
            font-weight: 700;
            font-size: 1.6rem;
            margin-bottom: 10px;
        }
        .not-found-block p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .article-side { position: sticky; top: 90px; }
        .side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .side-card-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 22px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-heading);
            font-weight: 600;
            font-size: .95rem;
            background: rgba(255,255,255,0.02);
        }
        .side-card-header i { color: var(--primary); }
        .side-card-body { padding: 18px 22px; }
        .info-list { list-style: none; padding: 0; margin: 0; }
        .info-list li {
            padding: 9px 0;
            border-bottom: 1px dashed var(--border-soft);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .9rem;
        }
        .info-list li:last-child { border-bottom: none; }
        .info-list li span { color: var(--text-muted); }
        .info-list li strong { color: var(--text-heading); font-weight: 500; }
        .side-category-list { list-style: none; padding: 0; margin: 0; }
        .side-category-list li { margin-bottom: 10px; }
        .side-category-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 16px;
            background: var(--bg-card-hover);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: .9rem;
            transition: all .25s;
        }
        .side-category-list a:hover {
            border-color: var(--border-gold);
            color: var(--primary);
            transform: translateX(4px);
        }
        .side-category-list i { color: var(--primary); width: 18px; text-align: center; }
        .side-latest-list { list-style: none; padding: 0; margin: 0; }
        .side-latest-list li { margin-bottom: 8px; }
        .side-latest-list a {
            padding: 8px 10px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            color: var(--text-body);
            transition: background .2s, color .2s;
        }
        .side-latest-list a:hover {
            background: var(--bg-card-hover);
            color: var(--primary);
        }
        .latest-title {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .latest-time {
            flex-shrink: 0;
            font-size: .76rem;
            color: var(--text-muted);
        }
        .side-empty {
            color: var(--text-muted);
            font-size: .88rem;
            text-align: center;
            padding: 8px 0;
        }

        .related-section {
            padding: 70px 0;
            background: linear-gradient(180deg, var(--bg-body), rgba(21,19,34,0.6), var(--bg-body));
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading .section-sub {
            color: var(--primary);
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .08em;
            text-transform: uppercase;
            display: block;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .section-heading p { color: var(--text-muted); font-size: .95rem; max-width: 640px; }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .3s;
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-gold);
        }
        .related-card a { display: block; color: inherit; height: 100%; }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            transition: transform .4s;
        }
        .related-card:hover img { transform: scale(1.04); }
        .related-body { padding: 20px 22px 24px; }
        .related-body h3 {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .related-meta .badge {
            background: var(--border-gold);
            color: var(--primary-light);
            font-size: .76rem;
        }
        .related-time { color: var(--text-muted); font-size: .82rem; }

        .faq-section { padding: var(--space-section) 0; }
        .faq-title-wrap { margin-bottom: 40px; }
        .faq-title-wrap h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: var(--text-heading);
        }
        .faq-title-wrap p { color: var(--text-muted); font-size: .95rem; }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
        }
        .accordion-button {
            background: var(--bg-card);
            color: var(--text-heading);
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus { box-shadow: none; }
        .accordion-button::after {
            filter: invert(75%) sepia(55%) saturate(420%) hue-rotate(0deg);
        }
        .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-body);
            font-size: .95rem;
            line-height: 1.8;
        }

        .cta-section {
            padding: 70px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, #1a1530, #211a3a);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(232,182,76,0.18), transparent 70%);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.3rem);
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--text-body);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 30px;
        }
        .cta-box .btn { padding: 13px 42px; font-size: 1rem; }

        .footer {
            background: #0a0a12;
            border-top: 1px solid var(--border-soft);
            padding-top: 60px;
            margin-top: 30px;
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding-bottom: 34px;
            border-bottom: 1px solid var(--border-soft);
        }
        .footer-brand { flex: 1 1 300px; }
        .footer-brand .brand-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-heading);
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0a0a12;
            font-size: .92rem;
        }
        .footer-brand p { color: var(--text-muted); font-size: .9rem; max-width: 360px; }
        .footer-col { flex: 1 1 160px; }
        .footer-col h4 {
            color: var(--text-heading);
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 9px; }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: .88rem;
            transition: color .2s, padding-left .2s;
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: .84rem;
        }

        @media (max-width: 991.98px) {
            .main-navbar .navbar-collapse {
                background: var(--bg-deep);
                padding: 10px 20px 20px;
                border-top: 1px solid var(--border-soft);
            }
            .main-navbar .nav-link {
                line-height: 44px;
                border-bottom: 1px solid rgba(255,255,255,0.05);
                padding: 0 8px !important;
            }
            .main-navbar .nav-link.active,
            .main-navbar .nav-link:hover {
                border-bottom-color: transparent;
                background: rgba(232,182,76,0.06);
            }
            .main-navbar .navbar-nav { align-items: flex-start; width: 100%; }
            .main-navbar .nav-cta {
                margin-left: 0 !important;
                margin-top: 14px;
                display: inline-block;
            }
            .article-side { position: static; }
        }

        @media (max-width: 767.98px) {
            .top-info-bar .info-right { display: none; }
            .article-main { padding: 28px 22px; }
            .cta-box { padding: 42px 24px; }
            .footer-top { gap: 28px; }
            .footer-col { flex: 1 1 120px; }
        }

        @media (max-width: 520px) {
            .article-section { padding: 40px 0 20px; }
            .article-hero { padding: 56px 0 40px; }
            .article-title { font-size: 1.45rem; }
            .article-main { padding: 22px 16px; }
            .article-content { font-size: .98rem; }
            .breadcrumb-nav { font-size: .8rem; }
            .related-section { padding: 50px 0; }
            .cta-box { padding: 36px 20px; border-radius: var(--radius-md); }
            .cta-box h2 { font-size: 1.4rem; }
        }

/* roulang page: category2 */
:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #ede9fe;
  --secondary: #f59e0b;
  --secondary-light: #fef3c7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --body-bg: #f8fafc;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, .08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);
  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #a855f7 55%, #d946ef 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #312e81 100%);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  color: var(--text);
  background: var(--body-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; padding: 0 20px; margin: 0 auto; }

/* ===== Top Bar ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  font-size: .85rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
}
.topbar a { color: rgba(255,255,255,.85); }
.topbar a:hover { color: var(--secondary); }
.topbar-info i { color: var(--secondary); margin-right: 5px; }

/* ===== Navbar ===== */
.main-navbar {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(15,23,42,.06), 0 10px 30px rgba(15,23,42,.04);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1030;
}
.main-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(124,58,237,.35);
}
.brand-text { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.main-navbar .nav-link {
  font-weight: 500;
  color: var(--text);
  padding: 8px 16px !important;
  border-radius: var(--radius-sm);
  position: relative;
  transition: all .25s;
}
.main-navbar .nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.main-navbar .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}
.main-navbar .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta {
  background: var(--gradient-primary);
  border: none;
  border-radius: 50px;
  padding: 10px 26px;
  font-weight: 600;
  font-size: .9rem;
  color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,.35);
  transition: all .3s;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,.45);
  color: #fff;
}
.main-navbar .navbar-toggler {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
}
.main-navbar .navbar-toggler:focus { box-shadow: none; }
.main-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Category Banner ===== */
.category-banner {
  background: var(--gradient-dark);
  background-image: linear-gradient(135deg, rgba(15,23,42,.92) 0%, rgba(30,27,75,.85) 40%, rgba(76,29,149,.85) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 60%;
  color: #fff;
  padding: 96px 0 150px;
  position: relative;
  overflow: hidden;
}
.category-banner::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -10%;
  right: -10%;
  height: 80%;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
  filter: blur(40px);
}
.category-banner .banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: 20px;
}
.category-banner h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.25;
}
.category-banner h1 .gradient-text {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.category-banner p.lead {
  font-size: 1.1rem;
  max-width: 560px;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
}
.category-banner .banner-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-light-custom {
  background: #fff;
  color: var(--text);
  border: none;
  border-radius: 50px;
  padding: 12px 30px;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(0,0,0,.15);
  transition: all .3s;
}
.btn-light-custom:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.2); color: var(--text); }
.btn-outline-custom {
  background: rgba(255,255,255,.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50px;
  padding: 12px 30px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all .3s;
}
.btn-outline-custom:hover { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.5); }

/* Section spacing */
.section { padding: 80px 0; }
.section-hdr {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-hdr h2 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 11px;
}
.section-hdr p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== Countdown ===== */
.countdown-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
  margin-top: -60px;
  position: relative;
  z-index: 2;
}
.countdown-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 30px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  border: 1px solid rgba(226,232,240,.6);
}
.countdown-title {
  display: flex;
  align-items: center;
  gap: 14px;
}
.countdown-title i {
  font-size: 1.6rem;
  color: var(--secondary);
}
.countdown-title span {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.countdown-timer {
  display: flex;
  gap: 12px;
  align-items: center;
}
.count-tile {
  background: var(--gradient-primary);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  min-width: 62px;
  text-align: center;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(124,58,237,.3);
}
.count-tile .num { font-size: 1.3rem; display: block; line-height: 1.3; }
.count-tile .lbl { font-size: .7rem; opacity: .85; font-weight: 400; }
.count-badge {
  background: var(--secondary-light);
  color: #d97706;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== Guide Steps (Bracket style) ===== */
.steps-section {
  background: var(--body-bg);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}
.step-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px 26px;
  position: relative;
  transition: all .35s;
}
.step-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(124,58,237,.25);
}
.step-num {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 4px 14px rgba(124,58,237,.3);
}
.step-card:nth-child(even) .step-num { background: linear-gradient(135deg, #f59e0b, #fbbf24); box-shadow: 0 4px 14px rgba(245,158,11,.3); }
.step-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-card p {
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.65;
}
.step-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 14px;
  transition: gap .2s;
}
.step-link:hover { gap: 10px; }
.step-line {
  position: absolute;
  top: 44px;
  right: -30px;
  width: 28px;
  height: 2px;
  background: var(--border);
  display: none;
}
@media (min-width: 992px) {
  .step-line { display: block; }
}

/* ===== Guide Cards ===== */
.guide-cards {
  background: var(--white);
}
.guide-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s;
  height: 100%;
}
.guide-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.guide-card .card-img-wrap {
  overflow: hidden;
  height: 190px;
}
.guide-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.guide-card:hover .card-img-wrap img { transform: scale(1.05); }
.guide-card .card-body {
  padding: 24px;
}
.guide-card .badge-custom {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 10px;
}
.guide-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.guide-card p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.65;
  margin-bottom: 16px;
}
.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--text-muted);
  margin-right: 14px;
}
.card-tag i { color: var(--secondary); }

/* ===== Feature ===== */
.features-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px;
  align-items: center;
}
.feature-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-item .f-icon {
  width: 46px;
  height: 46px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all .3s;
}
.feature-item:hover .f-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(-8deg) scale(1.05);
  box-shadow: 0 6px 16px rgba(124,58,237,.3);
}
.feature-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
}
.feature-item p {
  color: var(--text-muted);
  font-size: .88rem;
  line-height: 1.6;
}

/* ===== tips ===== */
.tips-section { background: var(--dark); color: #fff; }
.tips-section .section-hdr h2 { color: #fff; }
.tips-section .section-hdr p { color: rgba(255,255,255,.6); }
.tips-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.tip-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all .3s;
}
.tip-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
  transform: translateY(-4px);
}
.tip-card .tip-idx {
  font-size: .8rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
}
.tip-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.tip-card p {
  font-size: .87rem;
  color: rgba(255,255,255,.6);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s;
}
.faq-item:hover { border-color: rgba(124,58,237,.3); }
.faq-q {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: .98rem;
  gap: 16px;
}
.faq-q i {
  transition: transform .3s;
  color: var(--primary);
  flex-shrink: 0;
}
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 24px;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-a p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--gradient-primary);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  top: -160px;
  right: -100px;
}
.cta-wrap {
  text-align: center;
  color: #fff;
  position: relative;
  z-index: 1;
}
.cta-wrap h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-wrap p {
  font-size: 1rem;
  opacity: .85;
  max-width: 560px;
  margin: 0 auto 30px;
}
.btn-cta-white {
  background: #fff;
  color: var(--primary);
  border-radius: 50px;
  padding: 14px 38px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  transition: all .3s;
}
.btn-cta-white:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0,0,0,.22);
  color: var(--primary-dark);
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 320px; color: rgba(255,255,255,.55); }
.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a {
  color: rgba(255,255,255,.55);
  font-size: .9rem;
  transition: all .25s;
}
.footer-col ul li a:hover { color: var(--secondary); padding-left: 5px; }
.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .category-banner { padding: 70px 0 130px; }
  .category-banner h1 { font-size: 2rem; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .step-line { display: none; }
  .tips-row { grid-template-columns: repeat(2, 1fr); }
  .features-row { grid-template-columns: 1fr; }
  .main-navbar .nav-link.active::after { display: none; }
  .nav-cta { margin-top: 12px; display: inline-block; text-align: center; width: 100%; }
}
@media (max-width: 767px) {
  .topbar { display: none; }
  .countdown-card { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .steps-grid, .tips-row { grid-template-columns: 1fr; }
  .features-row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .section { padding: 56px 0; }
  .category-banner h1 { font-size: 1.65rem; }
  .category-banner { padding: 55px 0 120px; }
  .section-hdr h2 { font-size: 1.6rem; }
  .countdown-card { padding: 24px; }
  .countdown-timer { flex-wrap: wrap; }
  .guide-card .card-img-wrap { height: 220px; }
}

/* roulang page: category3 */
:root {
            --primary: #f0b35a;
            --primary-hover: #f7c16e;
            --primary-dark: #d4933a;
            --secondary: #7c5cff;
            --accent: #4fd1c5;
            --bg-dark: #0d0a1a;
            --bg-deeper: #080614;
            --bg-card: #161226;
            --bg-card-hover: #1e1835;
            --text-light: #f5f0e8;
            --text-muted: #a89fbf;
            --text-muted-light: rgba(245, 240, 232, 0.65);
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius-lg: 22px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-md: 0 20px 60px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        p {
            margin: 0;
        }
        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        /* ---------- 顶部信息条 ---------- */
        .top-info-bar {
            background: var(--bg-deeper);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 13px;
            color: var(--text-muted);
            padding: 8px 0;
        }
        .top-info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 20px;
        }
        .top-info-bar i {
            color: var(--primary);
            margin-right: 6px;
            font-size: 12px;
        }
        .top-info-bar .info-domain {
            color: var(--text-muted-light);
            letter-spacing: 0.3px;
        }

        /* ---------- 主导航 ---------- */
        .main-navbar {
            background: rgba(13, 10, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            min-height: 74px;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .main-navbar .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 10px 0;
        }
        .main-navbar .navbar-brand:hover {
            color: var(--primary);
        }
        .main-navbar .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), #a8741e);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: #161226;
            box-shadow: 0 0 24px rgba(240, 179, 90, 0.3);
            flex-shrink: 0;
        }
        .main-navbar .brand-text {
            font-size: 1.35rem;
            background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0.75));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-navbar .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 15px;
            padding: 1.35rem 1.05rem;
            position: relative;
            white-space: nowrap;
            transition: color 0.3s;
        }
        .main-navbar .nav-link:hover {
            color: #fff;
        }
        .main-navbar .nav-link::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 3px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }
        .main-navbar .nav-link:hover::after,
        .main-navbar .nav-link.active::after {
            transform: scaleX(1);
        }
        .main-navbar .nav-link.active {
            color: var(--primary);
        }
        .main-navbar .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 6px 8px;
            outline: none;
        }
        .main-navbar .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .main-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240, 179, 90, 0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 26px;
            height: 26px;
        }
        .main-navbar .nav-cta {
            padding: 0.55rem 1.35rem;
            font-size: 14px;
            border-radius: 50px;
        }

        /* ---------- 通用按钮 ---------- */
        .btn-primary {
            background: linear-gradient(135deg, #f0b35a, #e08e2a);
            border: none;
            color: #161226;
            font-weight: 600;
            border-radius: 50px;
            padding: 0.7rem 1.7rem;
            box-shadow: 0 8px 30px rgba(240, 179, 90, 0.22);
            transition: all 0.3s ease;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(240, 179, 90, 0.35);
            background: linear-gradient(135deg, #f7be6e, #e8a03d);
            color: #161226;
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(240, 179, 90, 0.4);
        }
        .btn-outline-primary {
            border: 1px solid rgba(240, 179, 90, 0.5);
            color: var(--primary);
            border-radius: 50px;
            padding: 0.7rem 1.7rem;
            font-weight: 600;
            background: rgba(240, 179, 90, 0.06);
            transition: all 0.3s ease;
        }
        .btn-outline-primary:hover {
            background: rgba(240, 179, 90, 0.14);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .btn-outline-light-custom {
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: 50px;
            padding: 0.7rem 1.7rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* ---------- 板块标题 ---------- */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-head .sec-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240, 179, 90, 0.12);
            border: 1px solid rgba(240, 179, 90, 0.2);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 50px;
            padding: 6px 18px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ---------- 页面 Hero ---------- */
        .page-hero {
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            padding: 120px 0 112px;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 6, 20, 0.97) 0%, rgba(13, 10, 26, 0.86) 48%, rgba(13, 10, 26, 0.58) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-row {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        .hero-left {
            flex: 1.2;
        }
        .hero-right {
            flex: 0.9;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 179, 90, 0.14);
            border: 1px solid rgba(240, 179, 90, 0.3);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 22px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .page-hero h1 {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .page-hero h1 span {
            background: linear-gradient(120deg, var(--primary), #f7d59a);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero .hero-desc {
            color: rgba(245, 240, 232, 0.8);
            font-size: 16px;
            line-height: 1.9;
            max-width: 560px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* 倒计时卡片 */
        .countdown-card {
            background: rgba(22, 18, 38, 0.72);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(240, 179, 90, 0.22);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .countdown-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, rgba(240, 179, 90, 0.25) 0%, transparent 70%);
            border-radius: 50%;
        }
        .countdown-card .cd-label {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 6px;
        }
        .countdown-card .cd-title {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            text-align: center;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 14px 6px;
        }
        .countdown-item .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-family: "Arial", sans-serif;
        }
        .countdown-item .unit {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .countdown-note {
            margin-top: 18px;
            text-align: center;
            font-size: 12px;
            color: rgba(245, 240, 232, 0.5);
        }

        /* ---------- 公告时间线 ---------- */
        .section-timeline {
            background: var(--bg-deeper);
            padding: 96px 0;
            position: relative;
        }
        .timeline-wrap {
            max-width: 880px;
            margin: 0 auto;
            position: relative;
            padding-left: 28px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 7px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(180deg, rgba(240, 179, 90, 0.5), rgba(124, 92, 255, 0.3), transparent);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 32px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -27px;
            top: 18px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 20px rgba(240, 179, 90, 0.6);
        }
        .timeline-item .tl-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .timeline-item .tl-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 16px;
            padding: 20px 24px;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .timeline-item .tl-card:hover {
            border-color: rgba(240, 179, 90, 0.25);
            background: rgba(240, 179, 90, 0.06);
        }
        .timeline-item .tl-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .timeline-item .tl-title h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin: 0;
        }
        .timeline-item .tl-title .badge-custom {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .badge-custom.success {
            background: rgba(79, 209, 197, 0.15);
            color: var(--accent);
            border: 1px solid rgba(79, 209, 197, 0.3);
        }
        .badge-custom.primary {
            background: rgba(240, 179, 90, 0.15);
            color: var(--primary);
            border: 1px solid rgba(240, 179, 90, 0.3);
        }
        .badge-custom.warning {
            background: rgba(247, 181, 83, 0.15);
            color: #f7c156;
            border: 1px solid rgba(247, 181, 83, 0.3);
        }
        .badge-custom.info {
            background: rgba(124, 92, 255, 0.15);
            color: var(--secondary);
            border: 1px solid rgba(124, 92, 255, 0.3);
        }
        .timeline-item .tl-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ---------- 热门活动 ---------- */
        .section-hot {
            background: linear-gradient(180deg, var(--bg-deeper) 0%, var(--bg-dark) 100%);
            padding: 96px 0;
        }
        .hot-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }
        .hot-card:hover {
            transform: translateY(-10px);
            border-color: rgba(240, 179, 90, 0.25);
            box-shadow: var(--shadow-lg);
        }
        .hot-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .hot-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover .card-img img {
            transform: scale(1.06);
        }
        .hot-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(13, 10, 26, 0.7) 100%);
        }
        .hot-card .hot-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(240, 179, 90, 0.92);
            color: #161226;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 1px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .hot-card .card-body {
            padding: 22px 24px 24px;
        }
        .hot-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .hot-card .card-body .desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .hot-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hot-card .card-meta .date {
            font-size: 13px;
            color: rgba(245, 240, 232, 0.55);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hot-card .card-meta .date i {
            color: var(--primary);
            font-size: 13px;
        }
        .hot-card .card-meta .link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .hot-card .card-meta .link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* ---------- 活动流程 ---------- */
        .section-flow {
            background: var(--bg-dark);
            padding: 96px 0;
        }
        .flow-step {
            position: relative;
            text-align: center;
            padding: 30px 18px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }
        .flow-step:hover {
            background: rgba(240, 179, 90, 0.06);
            border-color: rgba(240, 179, 90, 0.2);
            transform: translateY(-6px);
        }
        .flow-step .step-num {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            color: #161226;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 18px rgba(240, 179, 90, 0.4);
            font-family: "Arial", sans-serif;
        }
        .flow-step .step-icon {
            width: 62px;
            height: 62px;
            margin: 8px auto 16px;
            background: rgba(240, 179, 90, 0.1);
            border: 1px solid rgba(240, 179, 90, 0.18);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            transition: background 0.3s ease;
        }
        .flow-step:hover .step-icon {
            background: rgba(240, 179, 90, 0.18);
        }
        .flow-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .flow-arrow {
            display: none;
        }
        @media (min-width: 992px) {
            .flow-arrow {
                display: flex;
                align-items: center;
                justify-content: center;
                color: rgba(240, 179, 90, 0.4);
                font-size: 20px;
                position: absolute;
                right: -20px;
                top: 50%;
                transform: translateY(-50%);
                z-index: 3;
            }
        }

        /* ---------- 主题横滑 ---------- */
        .section-theme {
            background: var(--bg-deeper);
            padding: 96px 0;
            overflow: hidden;
        }
        .theme-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 4px 24px;
            scroll-snap-type: x mandatory;
            cursor: grab;
        }
        .theme-scroll::-webkit-scrollbar {
            height: 8px;
        }
        .theme-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 10px;
        }
        .theme-scroll::-webkit-scrollbar-thumb {
            background: rgba(240, 179, 90, 0.3);
            border-radius: 10px;
        }
        .theme-scroll::-webkit-scrollbar-thumb:hover {
            background: rgba(240, 179, 90, 0.5);
        }
        .theme-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .theme-card:hover {
            transform: translateY(-8px);
            border-color: rgba(240, 179, 90, 0.25);
            box-shadow: var(--shadow-md);
        }
        .theme-card .theme-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .theme-card .theme-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .theme-card:hover .theme-img img {
            transform: scale(1.08);
        }
        .theme-card .theme-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent, rgba(13, 10, 26, 0.65));
        }
        .theme-card .theme-icon {
            position: absolute;
            left: 18px;
            bottom: -22px;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #161226;
            box-shadow: 0 6px 20px rgba(240, 179, 90, 0.35);
            z-index: 2;
        }
        .theme-card .theme-body {
            padding: 34px 20px 20px;
        }
        .theme-card .theme-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .theme-card .theme-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ---------- 数据统计 ---------- */
        .section-stats {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            padding: 100px 0;
        }
        .section-stats::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 6, 20, 0.95), rgba(13, 10, 26, 0.82));
        }
        .section-stats .container {
            position: relative;
            z-index: 2;
        }
        .stat-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 30px 16px;
            height: 100%;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .stat-box:hover {
            border-color: rgba(240, 179, 90, 0.3);
            background: rgba(240, 179, 90, 0.05);
        }
        .stat-box .stat-icon {
            width: 46px;
            height: 46px;
            margin: 0 auto 14px;
            background: rgba(240, 179, 90, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }
        .stat-box .stat-num {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
            font-family: "Arial", sans-serif;
        }
        .stat-box .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ---------- FAQ ---------- */
        .section-faq {
            background: var(--bg-dark);
            padding: 96px 0;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .section-faq .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 14px;
        }
        .section-faq .accordion-button {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px !important;
            color: var(--text-light);
            font-weight: 500;
            font-size: 15px;
            padding: 1rem 1.25rem;
            box-shadow: none;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .section-faq .accordion-button:hover {
            border-color: rgba(240, 179, 90, 0.25);
            background: rgba(240, 179, 90, 0.06);
        }
        .section-faq .accordion-button:not(.collapsed) {
            background: rgba(240, 179, 90, 0.08);
            border-color: rgba(240, 179, 90, 0.3);
            color: var(--primary);
        }
        .section-faq .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            width: auto;
            height: auto;
            color: var(--primary);
            font-size: 14px;
            transform: none;
            transition: transform 0.3s ease;
        }
        .section-faq .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .section-faq .accordion-body {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-top: none;
            border-radius: 0 0 14px 14px;
            padding: 1rem 1.25rem;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.85;
        }

        /* ---------- CTA ---------- */
        .section-cta {
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            position: relative;
            padding: 92px 0;
            text-align: center;
        }
        .section-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(8, 6, 20, 0.88);
        }
        .section-cta .container {
            position: relative;
            z-index: 2;
        }
        .section-cta h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .section-cta p {
            color: rgba(245, 240, 232, 0.7);
            font-size: 16px;
            margin-bottom: 30px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-cta .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ---------- 页脚 ---------- */
        .footer {
            background: var(--bg-deeper);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }
        .footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer .brand-text {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #161226;
            font-size: 16px;
        }
        .footer .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--primary);
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }
        .footer .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            text-align: center;
        }
        .footer .footer-bottom p {
            color: rgba(245, 240, 232, 0.4);
            font-size: 13px;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 991.98px) {
            .main-navbar .nav-link {
                padding: 0.9rem 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }
            .main-navbar .nav-link::after {
                display: none;
            }
            .main-navbar .nav-cta {
                margin: 12px 0 18px;
                display: inline-block;
            }
            .hero-row {
                flex-direction: column;
                gap: 36px;
            }
            .footer .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 80px 0 70px;
            }
            .section-timeline,
            .section-hot,
            .section-flow,
            .section-theme,
            .section-faq {
                padding: 68px 0;
            }
            .section-stats {
                padding: 72px 0;
            }
            .section-cta {
                padding: 70px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .footer .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .countdown-card {
                padding: 26px 20px;
            }
            .countdown-item .num {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 575.98px) {
            .top-info-bar .container {
                justify-content: center;
                text-align: center;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .countdown-grid {
                gap: 6px;
            }
            .countdown-item {
                padding: 10px 4px;
            }
            .countdown-item .num {
                font-size: 1.25rem;
            }
            .countdown-item .unit {
                font-size: 11px;
            }
            .flow-step {
                padding: 22px 12px;
            }
            .theme-card {
                flex-basis: 240px;
            }
            .stat-box {
                padding: 22px 12px;
            }
            .btn-primary,
            .btn-outline-primary,
            .btn-outline-light-custom {
                width: 100%;
                text-align: center;
            }
        }