/* roulang page: index */
:root {
            --primary: #0f1d2e;
            --primary-light: #1b3548;
            --accent: #f0643c;
            --accent-hover: #d94f2a;
            --gold: #f5a623;
            --bg: #f6f5f2;
            --bg-white: #ffffff;
            --bg-dark: #0a1420;
            --text: #1a1f2e;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 24px rgba(15, 29, 46, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 29, 46, 0.14);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 100px 0;
        }

        .section-title-wrap {
            margin-bottom: 52px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(240, 100, 60, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin: 0;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 17px;
            margin-top: 12px;
            max-width: 620px;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(240, 100, 60, 0.35);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            background: transparent;
        }

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

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-light-custom:hover {
            background: var(--gold);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 徽章 ===== */
        .badge-soft {
            display: inline-block;
            background: rgba(240, 100, 60, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
        }

        .badge-dark {
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 29, 46, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 29, 46, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand:hover {
            color: var(--gold);
        }

        .navbar-brand .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .navbar .nav-link:hover {
            color: var(--gold);
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar .nav-link.active {
            color: var(--gold);
            background: rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 100, 60, 0.4);
        }

        .header-cta {
            margin-left: 16px;
        }

        @media (max-width: 991.98px) {
            .header-cta {
                margin-left: 0;
                margin-top: 12px;
            }
            .navbar-collapse {
                background: rgba(15, 29, 46, 0.97);
                border-radius: 16px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .navbar .nav-link {
                padding: 10px 14px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 94vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 120px 0 80px;
            color: #fff;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 29, 46, 0.78) 0%, rgba(15, 29, 46, 0.5) 45%, rgba(15, 29, 46, 0.88) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(240, 100, 60, 0.9);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 8px 20px;
            border-radius: 40px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-size: 64px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 24px;
            color: #fff;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-metrics {
            position: relative;
            z-index: 2;
            margin-top: 64px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 620px;
        }

        .hero-metric {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: var(--radius);
            padding: 20px 24px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-metric .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

        .hero-metric .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-metrics {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 12px;
            }
            .hero-metric .num {
                font-size: 22px;
            }
            .hero-metric {
                padding: 14px 12px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-metrics {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 核心说明 ===== */
        .intro {
            background: var(--bg-white);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .intro-card {
            padding: 40px 32px;
            border-radius: var(--radius-lg);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .intro-icon {
            width: 64px;
            height: 64px;
            background: var(--accent);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(240, 100, 60, 0.3);
        }

        .intro-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .intro-card p {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
        }

        @media (max-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 分类入口 ===== */
        .categories {
            background: var(--bg);
            position: relative;
        }

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

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .category-img {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

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

        .category-card:hover .category-img img {
            transform: scale(1.05);
        }

        .category-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 29, 46, 0.6) 100%);
        }

        .category-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .category-body p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 20px;
            flex: 1;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--accent);
            font-size: 15px;
            transition: var(--transition);
        }

        .category-link:hover {
            gap: 14px;
            color: var(--accent-hover);
        }

        /* ===== 最新资讯 ===== */
        .latest {
            background: var(--bg-white);
        }

        .latest-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
        }

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

        .news-item {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 24px;
        }

        .news-item:hover {
            background: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateX(6px);
            border-color: transparent;
        }

        .news-index {
            width: 48px;
            height: 48px;
            background: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-meta .badge {
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
        }

        .news-date {
            color: var(--text-muted);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-content h3 a {
            color: var(--primary);
        }

        .news-content h3 a:hover {
            color: var(--accent);
        }

        .news-content p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 12px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-more:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        .latest-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .sidebar-card::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: rgba(245, 166, 35, 0.15);
            border-radius: 50%;
        }

        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--gold);
        }

        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 15px;
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li a {
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card ul li a:hover {
            color: var(--gold);
        }

        .empty-tip {
            background: var(--bg);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-muted);
            font-size: 16px;
        }

        @media (max-width: 992px) {
            .latest-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                padding: 20px;
            }
            .news-index {
                width: 40px;
                height: 40px;
                font-size: 15px;
            }
        }

        /* ===== 流程指南 ===== */
        .guide {
            background: var(--bg-dark);
            color: #fff;
        }

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

        .guide .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 20px;
        }

        .guide-step {
            text-align: center;
            padding: 40px 24px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            transition: var(--transition);
        }

        .guide-step:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-4px);
        }

        .guide-num {
            width: 56px;
            height: 56px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(240, 100, 60, 0.4);
        }

        .guide-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .guide-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 992px) {
            .guide-steps {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        /* ===== 亮点展示 ===== */
        .showcase {
            background: var(--bg-white);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .showcase-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            height: 380px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .showcase-card:hover {
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
        }

        .showcase-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .showcase-card:hover img {
            transform: scale(1.08);
        }

        .showcase-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(15, 29, 46, 0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: 32px;
        }

        .showcase-info h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .showcase-info p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin: 0;
        }

        @media (max-width: 992px) {
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .showcase-card {
                height: 320px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats {
            background: var(--primary);
            color: #fff;
            padding: 80px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-item .num {
            font-size: 48px;
            font-weight: 900;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-item .label {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-item .num {
                font-size: 36px;
            }
        }

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

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

        .custom-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(15, 29, 46, 0.04);
        }

        .custom-accordion .accordion-button {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: #fff;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 100, 60, 0.15);
        }

        .custom-accordion .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }

        .custom-accordion .accordion-body {
            padding: 20px 28px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 100px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(245, 166, 35, 0.1);
            border-radius: 50%;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 180px;
            height: 180px;
            background: rgba(240, 100, 60, 0.15);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 42px;
            font-weight: 900;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-inner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 40px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-inner h2 {
                font-size: 30px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 80px 0 30px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-mark {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 48px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 48px 0 24px;
            }
            .footer-col {
                margin-bottom: 32px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--primary-light);
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        :focus-visible {
            outline: 3px solid rgba(240, 100, 60, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #f0b90b;
            --primary-rgb: 240, 185, 11;
            --accent: #22d3ee;
            --accent-rgb: 34, 211, 238;
            --bg-deep: #071526;
            --bg-dark: #0b1f36;
            --bg-card: #112a44;
            --bg-card-2: #0e2238;
            --text-light: #eef4fa;
            --text-body: #c7d6e5;
            --text-muted: #8fa8bd;
            --border-color: rgba(255, 255, 255, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: #ffd84a;
        }

        a:focus-visible,
        .btn:focus-visible,
        .nav-link:focus-visible,
        .accordion-button:focus-visible {
            outline: 3px solid rgba(var(--accent-rgb), 0.5);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
        }

        .btn {
            border-radius: 12px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-accent {
            background: linear-gradient(135deg, #f5b942, #f97316);
            border: none;
            color: #0b1a2b;
            font-weight: 700;
            border-radius: 12px;
            padding: 8px 22px;
            box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.35);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.45);
            color: #0b1a2b;
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 12px;
            padding: 10px 28px;
            color: #fff;
            font-weight: 600;
            margin-left: 10px;
        }

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

        .btn-lg {
            padding: 12px 32px;
            font-size: 1.05rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(7, 21, 38, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
        }

        .navbar {
            padding-top: 1rem;
            padding-bottom: 1rem;
        }

        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            letter-spacing: 0.02em;
        }

        .navbar-brand:hover {
            color: #fff;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #f5b942, #f97316);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0b1a2b;
            font-size: 1.1rem;
            margin-right: 12px;
            box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.35);
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 10px;
            margin: 0 4px;
            position: relative;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff !important;
            background: rgba(var(--primary-rgb), 0.15);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .header-cta .btn {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .page-hero {
            padding: 120px 0 85px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 21, 38, 0.72) 0%, rgba(7, 21, 38, 0.85) 50%, var(--bg-deep) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 22px;
        }

        .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.3);
        }

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

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

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

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-body);
            max-width: 660px;
            line-height: 1.8;
        }

        .hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .hero-meta span {
            color: var(--text-muted);
            font-size: 0.93rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta i {
            color: var(--primary);
        }

        .section {
            padding: 90px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(var(--primary-rgb), 0.12);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            text-align: center;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(var(--primary-rgb), 0.3);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 68px;
            height: 68px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--accent-rgb), 0.2));
            color: var(--primary);
            font-size: 1.6rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .modes-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .mode-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

        .mode-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(var(--primary-rgb), 0.25);
        }

        .mode-img {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .mode-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .mode-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(7, 21, 38, 0.82) 100%);
        }

        .mode-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(7, 21, 38, 0.75);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .mode-body {
            padding: 24px;
        }

        .mode-body h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .mode-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }

        .mode-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .mode-link:hover {
            color: #ffd84a;
        }

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

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

        .steps-section {
            background: linear-gradient(180deg, var(--bg-deep), var(--bg-dark));
        }

        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-item {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 34px 26px;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(var(--accent-rgb), 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: rgba(var(--primary-rgb), 0.2);
            line-height: 1;
            margin-bottom: 20px;
            font-family: "Georgia", "Times New Roman", serif;
        }

        .step-item h3 {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        .step-line {
            position: absolute;
            top: 50%;
            right: -18px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            z-index: 2;
        }

        .tips-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px;
            height: 100%;
            transition: var(--transition);
        }

        .tips-card:hover {
            border-color: rgba(var(--accent-rgb), 0.3);
            box-shadow: var(--shadow-md);
        }

        .tips-title {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .tips-title i {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(var(--primary-rgb), 0.15);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .tips-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tips-card ul li {
            padding: 12px 0;
            padding-left: 28px;
            position: relative;
            color: var(--text-body);
            font-size: 0.95rem;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
        }

        .tips-card ul li:last-child {
            border-bottom: none;
        }

        .tips-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 22px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.5);
        }

        .faq-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
            --bs-accordion-bg: var(--bg-card);
            --bs-accordion-border-color: var(--border-color);
            --bs-accordion-color: var(--text-body);
            --bs-accordion-active-bg: var(--bg-card-2);
            --bs-accordion-active-color: #fff;
            --bs-accordion-btn-color: #e8edf2;
            --bs-accordion-btn-icon-width: 0.9rem;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--bg-card);
            color: #e8edf2;
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 24px;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-card-2);
            color: var(--primary);
            box-shadow: none !important;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f0b90b'%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 {
            padding: 20px 24px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        .cta-inner {
            background: linear-gradient(135deg, #162d4d, #0e2238);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 70px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 auto;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(var(--primary-rgb), 0.15), transparent 60%);
            pointer-events: none;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-inner p {
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
            position: relative;
        }

        .cta-buttons {
            position: relative;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .site-footer {
            background: #061120;
            border-top: 1px solid var(--border-color);
            padding: 80px 0 0;
        }

        .footer-brand {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

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

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

        .footer-links li {
            margin-bottom: 12px;
            color: var(--text-muted);
            font-size: 0.92rem;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
        }

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

        .footer-links i {
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 24px 0;
            margin-top: 50px;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        @media (max-width: 992px) {
            .section {
                padding: 60px 0;
            }

            .page-hero {
                padding: 100px 0 60px;
            }

            .page-hero h1 {
                font-size: 2.4rem;
            }

            .section-head h2 {
                font-size: 1.9rem;
            }

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

            .navbar-collapse {
                background: rgba(7, 21, 38, 0.98);
                padding: 20px;
                border-radius: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-color);
            }

            .nav-link {
                padding: 12px 18px !important;
            }

            .header-cta {
                margin-top: 12px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

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

            .section-head h2 {
                font-size: 1.6rem;
            }

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

            .cta-inner {
                padding: 50px 24px;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .cta-inner .btn-outline-light {
                margin-left: 0;
                margin-top: 12px;
            }

            .btn-outline-light {
                margin-left: 0;
            }

            .footer-col {
                margin-bottom: 36px;
            }

            .tips-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 80px 0 50px;
            }

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

            .hero-meta {
                gap: 12px;
                flex-direction: column;
                align-items: flex-start;
            }

            .section-tag {
                font-size: 0.75rem;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }

            .navbar-brand {
                font-size: 1.05rem;
            }

            .mode-body {
                padding: 18px;
            }

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

            .step-item {
                padding: 24px 18px;
            }

            .accordion-button {
                font-size: 0.95rem;
                padding: 16px 18px;
            }

            .accordion-body {
                padding: 16px 18px;
            }

            .cta-inner {
                padding: 40px 20px;
            }

            .cta-inner h2 {
                font-size: 1.3rem;
            }

            .cta-buttons .btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --color-bg: #F6F7F9;
            --color-surface: #FFFFFF;
            --color-primary: #0B1026;
            --color-primary-soft: #111A33;
            --color-accent: #D4AF37;
            --color-accent-light: #E3C44F;
            --color-accent-dark: #B8952E;
            --color-text: #1F2937;
            --color-muted: #6B7280;
            --color-border: #E8E8ED;
            --color-footer: #060A18;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(11,16,38,0.06);
            --shadow-md: 0 12px 32px rgba(11,16,38,0.12);
            --shadow-lg: 0 24px 60px rgba(11,16,38,0.16);
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: inherit;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(212, 175, 55, .55);
            outline-offset: 2px;
            box-shadow: none;
        }

        .container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: linear-gradient(180deg, rgba(6, 10, 24, .98), rgba(11, 16, 38, .96));
            border-bottom: 1px solid rgba(212, 175, 55, .25);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .5px;
            color: #fff;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #0B1026;
            font-size: 1rem;
            box-shadow: 0 6px 18px rgba(212, 175, 55, .35);
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .72);
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: var(--transition);
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .site-header .nav-link.active {
            color: var(--color-accent);
            background: rgba(212, 175, 55, .12);
        }

        .header-cta {
            display: inline-block;
        }

        .btn {
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: 0;
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #0B1026;
            padding: .68rem 1.5rem;
            box-shadow: 0 8px 24px rgba(212, 175, 55, .28);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            color: #0B1026;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(212, 175, 55, .4);
        }

        .btn-outline-light-custom {
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
            padding: .62rem 1.5rem;
            border-radius: 50px;
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-dark-solid {
            background: #0B1026;
            color: #fff;
            padding: .72rem 1.6rem;
            box-shadow: 0 10px 28px rgba(11, 16, 38, .25);
        }

        .btn-dark-solid:hover {
            background: #202A4A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(11, 16, 38, .3);
        }

        .page-banner {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 90px 0 70px;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 10, 24, .82) 0%, rgba(6, 10, 24, .45) 55%, rgba(6, 10, 24, .28) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-breadcrumb {
            margin-bottom: 20px;
        }

        .page-breadcrumb .breadcrumb {
            margin: 0;
        }

        .page-breadcrumb .breadcrumb-item {
            color: rgba(255, 255, 255, .7);
            font-size: .92rem;
        }

        .page-breadcrumb .breadcrumb-item a {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-breadcrumb .breadcrumb-item a:hover {
            color: var(--color-accent-light);
        }

        .page-breadcrumb .breadcrumb-item.active {
            color: #fff;
        }

        .page-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .45);
        }

        .page-banner h1 {
            font-size: clamp(1.9rem, 4vw, 3.1rem);
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            letter-spacing: -1px;
            margin: 0 0 16px;
            max-width: 820px;
        }

        .banner-lead {
            color: rgba(255, 255, 255, .82);
            font-size: 1.08rem;
            max-width: 680px;
            margin: 0;
        }

        .article-section {
            padding: 70px 0 80px;
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .8);
            box-shadow: var(--shadow-md);
            padding: 44px;
        }

        .article-title {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            line-height: 1.35;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.4px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-bottom: 22px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--color-muted);
            font-size: .92rem;
        }

        .meta-item i {
            color: var(--color-accent-dark);
        }

        .badge-cate {
            display: inline-flex;
            align-items: center;
            background: rgba(212, 175, 55, .14);
            color: var(--color-accent-dark);
            font-weight: 700;
            font-size: .82rem;
            padding: 5px 14px;
            border-radius: 50px;
        }

        .article-divider {
            height: 1px;
            background: linear-gradient(90deg, var(--color-border), transparent);
            margin-bottom: 26px;
        }

        .article-body {
            font-size: 1.02rem;
            line-height: 1.9;
            color: #2A3342;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--color-primary);
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: .7em;
            letter-spacing: -0.2px;
        }

        .article-body h2 {
            font-size: 1.55rem;
        }

        .article-body h3 {
            font-size: 1.3rem;
        }

        .article-body p {
            margin-bottom: 1.35em;
        }

        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 1.4em 0;
            max-width: 100%;
            height: auto;
        }

        .article-body blockquote {
            background: rgba(212, 175, 55, .08);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 18px 24px;
            margin: 1.6em 0;
            color: #3D4553;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.3em;
        }

        .article-body li {
            margin-bottom: .45em;
        }

        .article-body a {
            color: var(--color-accent-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--color-accent);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: .95rem;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: #F6F7F9;
            color: var(--color-primary);
        }

        .article-body pre {
            background: var(--color-primary);
            color: #EDEFF6;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.4em 0;
        }

        .article-body code {
            background: rgba(212, 175, 55, .12);
            color: var(--color-accent-dark);
            border-radius: 6px;
            padding: 2px 7px;
            font-size: .9em;
        }

        .not-found-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 50px 32px;
            text-align: center;
        }

        .nf-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 22px;
            background: rgba(212, 175, 55, .14);
            color: var(--color-accent-dark);
            font-size: 1.6rem;
            margin-bottom: 18px;
        }

        .not-found-card h2 {
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .not-found-card p {
            color: var(--color-muted);
            max-width: 420px;
            margin: 0 auto 22px;
        }

        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(212, 175, 55, .35);
            display: flex;
            align-items: center;
            gap: 9px;
        }

        .sidebar-title i {
            color: var(--color-accent-dark);
        }

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

        .sidebar-list li + li {
            border-top: 1px solid #F1F2F5;
        }

        .sidebar-list a {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 13px 6px;
            border-radius: var(--radius-sm);
        }

        .sidebar-list a:hover {
            background: rgba(212, 175, 55, .06);
            padding-left: 12px;
        }

        .sidebar-list .side-title {
            font-weight: 600;
            color: var(--color-text);
            font-size: .95rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-list .side-time {
            font-size: .8rem;
            color: var(--color-muted);
        }

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

        .sidebar-tags a {
            display: inline-block;
            background: #F1F3F8;
            color: #3D4553;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: .85rem;
            font-weight: 500;
        }

        .sidebar-tags a:hover {
            background: var(--color-accent);
            color: #0B1026;
        }

        .sidebar-help {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-soft));
            color: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-md);
        }

        .sidebar-help h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .sidebar-help p {
            color: rgba(255, 255, 255, .78);
            font-size: .9rem;
            margin-bottom: 16px;
        }

        .sidebar-help .btn {
            padding: .55rem 1.2rem;
            font-size: .88rem;
        }

        .related-section {
            padding: 70px 0 80px;
            background: var(--color-surface);
            border-top: 1px solid #EDEFF3;
        }

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

        .section-tag {
            display: inline-block;
            background: rgba(212, 175, 55, .14);
            color: var(--color-accent-dark);
            font-weight: 700;
            font-size: .82rem;
            letter-spacing: .8px;
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(1.7rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: var(--color-primary);
            margin: 0;
            letter-spacing: -0.4px;
        }

        .section-head p {
            color: var(--color-muted);
            max-width: 620px;
            margin: 10px 0 0;
        }

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid #EDEFF3;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 175, 55, .4);
        }

        .related-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

        .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .related-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(6, 10, 24, .35));
        }

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

        .related-body .tag-line {
            display: inline-block;
            color: var(--color-accent-dark);
            font-size: .8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .related-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-body p {
            color: var(--color-muted);
            font-size: .88rem;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-tip {
            background: #F6F7F9;
            border: 1px dashed #D8DCE3;
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
            color: var(--color-muted);
        }

        .faq-section {
            position: relative;
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
            color: #fff;
        }

        .faq-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 10, 24, .95), rgba(10, 16, 38, .86));
        }

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

        .faq-section .section-head h2 {
            color: #fff;
        }

        .faq-section .section-head p {
            color: rgba(255, 255, 255, .68);
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }

        .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(212, 175, 55, .14);
            color: var(--color-accent);
        }

        .accordion-button:not(.collapsed)::after {
            filter: brightness(0) saturate(100%) invert(72%) sepia(32%) saturate(736%) hue-rotate(7deg) brightness(94%) contrast(87%);
        }

        .accordion-button:focus {
            box-shadow: none;
        }

        .accordion-body {
            color: rgba(255, 255, 255, .78);
            font-size: .95rem;
            padding: 8px 22px 22px;
            line-height: 1.8;
        }

        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--color-accent) 0%, #E7C454 50%, #F4DF9D 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .16);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(11, 16, 38, .08);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            color: #0B1026;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            color: rgba(11, 16, 38, .75);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto 30px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .site-footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, .68);
            padding: 62px 0 24px;
            font-size: .94rem;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, .55);
            line-height: 1.8;
            margin: 0;
            max-width: 340px;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
            color: rgba(255, 255, 255, .6);
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, .62);
            transition: var(--transition);
        }

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

        .site-footer .footer-links i {
            color: var(--color-accent-dark);
        }

        .site-footer .footer-col {
            margin-bottom: 30px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, .4);
            font-size: .86rem;
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: rgba(6, 10, 24, .97);
                border: 1px solid rgba(212, 175, 55, .2);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
            }

            .site-header .navbar-nav {
                gap: 2px;
            }

            .site-header .nav-link {
                padding: 10px 14px !important;
            }

            .header-cta {
                margin-top: 10px;
                width: 100%;
            }

            .header-cta .btn {
                width: 100%;
            }

            .page-banner {
                min-height: 340px;
                padding: 70px 0 50px;
            }

            .article-section {
                padding: 50px 0 60px;
            }

            .sidebar {
                margin-top: 36px;
            }

            .related-section {
                padding: 55px 0 60px;
            }

            .faq-section {
                padding: 60px 0;
                background-attachment: scroll;
            }

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

        @media (max-width: 767.98px) {
            .page-banner {
                min-height: 300px;
                padding: 60px 0 44px;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .banner-lead {
                font-size: .95rem;
            }

            .article-card {
                padding: 26px 22px;
            }

            .article-title {
                font-size: 1.45rem;
            }

            .article-meta {
                gap: 10px 14px;
            }

            .related-img {
                height: 210px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .site-footer {
                padding-top: 44px;
            }
        }

        @media (max-width: 520px) {
            .site-header .navbar-brand {
                font-size: 1.05rem;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: .9rem;
            }

            .page-banner {
                min-height: 260px;
                padding: 46px 0 34px;
            }

            .page-banner h1 {
                font-size: 1.45rem;
            }

            .page-breadcrumb .breadcrumb-item {
                font-size: .82rem;
            }

            .article-section {
                padding: 36px 0 48px;
            }

            .article-card {
                border-radius: var(--radius-md);
                padding: 20px 16px;
            }

            .article-title {
                font-size: 1.3rem;
            }

            .article-body {
                font-size: .98rem;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .related-img {
                height: 180px;
            }

            .related-body {
                padding: 16px 16px 18px;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-section p {
                font-size: .95rem;
            }

            .site-footer .footer-col {
                margin-bottom: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #f5a623;
            --primary-dark: #d4891a;
            --primary-light: #ffd97a;
            --primary-rgb: 245, 166, 35;
            --bg-dark: #0a0e1a;
            --bg-deep: #060912;
            --bg-card: #121829;
            --bg-card-hover: #182033;
            --bg-section: #0e1323;
            --text-light: #f0f2f6;
            --text-muted: #9aa3b5;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 18px;
            --radius-sm: 12px;
            --radius-lg: 28px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 11, 20, .82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 9, 18, .94);
            box-shadow: var(--shadow-sm);
        }

        .navbar-brand {
            font-size: 1.22rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: .02em;
            line-height: 1.3;
        }

        .navbar-brand:hover {
            color: var(--primary-light);
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-deep);
            font-size: .95rem;
            box-shadow: 0 4px 18px rgba(var(--primary-rgb), .35);
            flex-shrink: 0;
        }

        .navbar .nav-link {
            color: #b6bed0;
            font-weight: 500;
            padding: .45rem 1.25rem;
            border-radius: 50rem;
            transition: var(--transition);
            margin: 0 3px;
            font-size: .95rem;
            white-space: nowrap;
        }

        .navbar .nav-link:hover {
            color: #fff;
            background: rgba(var(--primary-rgb), .12);
        }

        .navbar .nav-link.active {
            color: var(--primary);
            background: rgba(var(--primary-rgb), .15);
            box-shadow: inset 0 0 0 1px rgba(var(--primary-rgb), .35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .3);
        }

        .navbar-toggler-icon {
            width: 20px;
            height: 20px;
        }

        .header-cta .btn {
            margin-left: 4px;
        }

        /* ========== Buttons ========== */
        .btn-accent {
            background: var(--primary);
            color: var(--bg-deep);
            border: none;
            border-radius: 50rem;
            padding: .65rem 1.6rem;
            font-weight: 600;
            transition: var(--transition);
            letter-spacing: .01em;
        }

        .btn-accent:hover {
            background: var(--primary-light);
            color: var(--bg-deep);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(var(--primary-rgb), .35);
        }

        .btn-accent:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .3);
        }

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

        .btn-outline-light {
            border-radius: 50rem;
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            padding: .65rem 1.6rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: rgba(255, 255, 255, .45);
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            border-radius: 50rem;
            border: 1px solid rgba(var(--primary-rgb), .5);
            color: var(--primary);
            padding: .6rem 1.5rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-outline-accent:hover {
            background: rgba(var(--primary-rgb), .12);
            color: var(--primary-light);
            border-color: var(--primary);
        }

        .btn-lg {
            padding: .8rem 2rem;
            font-size: 1.02rem;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 150px 0 90px;
            overflow: hidden;
            background: var(--bg-deep);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .55;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 26, .72) 0%, rgba(10, 14, 26, .85) 50%, rgba(10, 14, 26, .97) 100%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--primary-rgb), .14);
            border: 1px solid rgba(var(--primary-rgb), .3);
            color: var(--primary-light);
            font-size: .88rem;
            font-weight: 600;
            padding: .4rem 1.1rem;
            border-radius: 50rem;
            margin-bottom: 28px;
            letter-spacing: .03em;
        }

        .page-hero h1 {
            font-size: clamp(2.6rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -.02em;
            margin-bottom: 22px;
            color: #fff;
        }

        .hero-lead {
            font-size: 1.18rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 34px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 38px;
        }

        .hero-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            color: var(--text-muted);
            font-size: .92rem;
        }

        .hero-meta-tags span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta-tags i {
            color: var(--primary);
        }

        /* ========== Section Base ========== */
        .section-padding {
            padding: 96px 0;
        }

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

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .14em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -.01em;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.04rem;
            line-height: 1.75;
            margin: 0;
        }

        .section-actions {
            display: flex;
            justify-content: center;
            margin-top: 40px;
        }

        /* ========== Event Cards ========== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: rgba(var(--primary-rgb), .25);
            box-shadow: var(--shadow);
        }

        .event-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .event-card:hover .event-cover img {
            transform: scale(1.06);
        }

        .event-status {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(var(--primary-rgb), .9);
            color: var(--bg-deep);
            font-size: .78rem;
            font-weight: 700;
            padding: .25rem .85rem;
            border-radius: 50rem;
            letter-spacing: .03em;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
        }

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

        .event-tag {
            display: inline-block;
            font-size: .78rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(var(--primary-rgb), .1);
            padding: .22rem .8rem;
            border-radius: 50rem;
            margin-bottom: 14px;
            align-self: flex-start;
            letter-spacing: .03em;
        }

        .event-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .event-body p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }

        .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: .86rem;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .event-meta i {
            color: var(--primary);
            margin-right: 5px;
        }

        .event-link {
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
        }

        .event-link:hover {
            color: var(--primary-light);
            gap: 6px;
        }

        .event-link i {
            transition: transform .3s ease;
        }

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

        /* ========== Category Cards ========== */
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .category-card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: rgba(var(--primary-rgb), .2);
            box-shadow: var(--shadow);
        }

        .category-card:hover::before {
            transform: scaleX(1);
        }

        .category-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: rgba(var(--primary-rgb), .12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .category-card:hover .category-icon {
            background: var(--primary);
            color: var(--bg-deep);
            box-shadow: 0 8px 20px rgba(var(--primary-rgb), .3);
        }

        .category-card h3 {
            font-size: 1.16rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .category-card p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.72;
            margin-bottom: 18px;
        }

        .category-link {
            font-size: .9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .category-card:hover .category-link {
            color: var(--primary-light);
            gap: 12px;
        }

        /* ========== Stats ========== */
        .event-stats {
            position: relative;
            padding: 96px 0;
            overflow: hidden;
        }

        .event-stats-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .45;
        }

        .event-stats-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 9, 18, .92), rgba(10, 14, 26, .88));
        }

        .stat-item {
            text-align: center;
            padding: 34px 20px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }

        .stat-item:hover {
            background: rgba(var(--primary-rgb), .08);
            border-color: rgba(var(--primary-rgb), .3);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -.01em;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: .95rem;
            letter-spacing: .04em;
        }

        /* ========== Process ========== */
        .process-card {
            text-align: center;
            padding: 38px 26px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

        .process-card:hover {
            transform: translateY(-4px);
            border-color: rgba(var(--primary-rgb), .25);
            box-shadow: var(--shadow);
        }

        .process-number {
            position: absolute;
            top: 18px;
            right: 22px;
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(255, 255, 255, .06);
            line-height: 1;
            letter-spacing: -.03em;
        }

        .process-icon {
            width: 62px;
            height: 62px;
            margin: 0 auto 22px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), .12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            transition: var(--transition);
        }

        .process-card:hover .process-icon {
            background: var(--primary);
            color: var(--bg-deep);
            box-shadow: 0 8px 22px rgba(var(--primary-rgb), .35);
        }

        .process-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .process-card p {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Schedule ========== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            max-width: 900px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 22px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 30px;
            transition: var(--transition);
        }

        .schedule-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(var(--primary-rgb), .2);
            transform: translateX(4px);
        }

        .schedule-date {
            width: 74px;
            height: 82px;
            background: rgba(var(--primary-rgb), .1);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 1px solid rgba(var(--primary-rgb), .15);
        }

        .schedule-date span {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 2px;
        }

        .schedule-date em {
            font-style: normal;
            font-size: .8rem;
            color: var(--text-muted);
        }

        .schedule-info {
            flex: 1;
            min-width: 220px;
        }

        .schedule-tag {
            display: inline-block;
            font-size: .76rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(var(--primary-rgb), .1);
            padding: .18rem .75rem;
            border-radius: 50rem;
            margin-bottom: 6px;
        }

        .schedule-info h3 {
            font-size: 1.14rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .schedule-info p {
            color: var(--text-muted);
            font-size: .9rem;
            margin: 0;
            line-height: 1.6;
        }

        .schedule-status {
            background: rgba(var(--primary-rgb), .14);
            color: var(--primary-light);
            font-size: .85rem;
            font-weight: 600;
            padding: .4rem 1.2rem;
            border-radius: 50rem;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px;
        }

        .accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-border-width: 0;
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-active-bg: transparent;
            --bs-accordion-btn-padding-y: 1rem;
            --bs-accordion-btn-padding-x: 0;
        }

        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border);
            margin-bottom: 0;
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.02rem;
            padding: 1.1rem 0;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 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='%23f5a623'%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");
            transition: transform .3s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-body {
            color: var(--text-muted);
            padding: 0 0 1.2rem;
            font-size: .95rem;
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0 96px;
            background: var(--bg-deep);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(var(--primary-rgb), .16), rgba(var(--primary-rgb), .04));
            border: 1px solid rgba(var(--primary-rgb), .3);
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(var(--primary-rgb), .2), transparent 70%);
        }

        .cta-box h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -.01em;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 72px 0 0;
        }

        .footer-col {
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.18rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-muted);
            line-height: 1.75;
            font-size: .94rem;
            max-width: 320px;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .05em;
        }

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

        .footer-links li {
            margin-bottom: 10px;
            color: var(--text-muted);
            font-size: .94rem;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: .94rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 22px 0;
            text-align: center;
            color: #6b7488;
            font-size: .9rem;
            letter-spacing: .02em;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .section-padding {
                padding: 76px 0;
            }

            .page-hero {
                min-height: 62vh;
                padding: 130px 0 70px;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .schedule-item {
                padding: 20px 22px;
            }
        }

        @media (max-width: 768px) {
            .navbar-collapse {
                background: rgba(8, 11, 20, .98);
                border-radius: 16px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow);
            }

            .navbar .nav-link {
                padding: .65rem 1rem;
                margin: 2px 0;
            }

            .header-cta {
                margin-top: 8px;
            }

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

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .hero-lead {
                font-size: 1.05rem;
            }

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

            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .schedule-status {
                align-self: flex-start;
            }

            .cta-box {
                padding: 44px 24px;
            }

            .cta-actions .btn {
                width: 100%;
                margin: 0;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 120px 0 60px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
                margin: 0;
            }

            .hero-meta-tags {
                gap: 14px;
                font-size: .85rem;
            }

            .event-body {
                padding: 20px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .stat-label {
                font-size: .85rem;
            }

            .faq-wrap {
                padding: 20px;
            }

            .footer-links li {
                font-size: .9rem;
            }
        }