/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2d5e;
            --primary-dark: #070e1e;
            --accent: #c9a84c;
            --accent-light: #dfc06a;
            --accent-dark: #a8882e;
            --bg-light: #f5f6fa;
            --bg-white: #ffffff;
            --bg-dark: #0a0e1a;
            --text-dark: #1a1a2e;
            --text-body: #2d2d44;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-color: #e5e7eb;
            --border-light: #f0f0f5;
            --shadow-sm: 0 2px 8px rgba(15, 27, 61, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 27, 61, 0.1);
            --shadow-lg: 0 20px 60px rgba(15, 27, 61, 0.15);
            --shadow-gold: 0 8px 30px rgba(201, 168, 76, 0.25);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ::selection {
            background: var(--accent);
            color: var(--primary-dark);
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 (悬浮胶囊) ===== */
        .navbar-custom {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 48px);
            max-width: 1140px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 60px;
            box-shadow: 0 4px 30px rgba(15, 27, 61, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 8px 24px;
            z-index: 1050;
            transition: var(--transition);
        }

        .navbar-custom.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 40px rgba(15, 27, 61, 0.12);
        }

        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.5px;
            padding: 6px 0;
        }
        .navbar-custom .navbar-brand span {
            color: var(--accent);
        }

        .navbar-custom .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            padding: 8px 20px !important;
            border-radius: 40px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--primary);
            background: rgba(15, 27, 61, 0.05);
        }

        .navbar-custom .nav-link.active {
            color: var(--bg-white);
            background: var(--primary);
            box-shadow: 0 4px 15px rgba(15, 27, 61, 0.2);
        }

        .navbar-custom .nav-link.active:hover {
            color: var(--bg-white);
            background: var(--primary-light);
        }

        .navbar-custom .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 30px;
            background: rgba(15, 27, 61, 0.05);
        }

        .navbar-custom .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-custom .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%231a1a2e' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        @media (max-width: 991px) {
            .navbar-custom {
                top: 12px;
                width: calc(100% - 24px);
                border-radius: 30px;
                padding: 6px 16px;
            }
            .navbar-custom .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                border-radius: 24px;
                padding: 16px;
                margin-top: 8px;
                box-shadow: 0 12px 40px rgba(15, 27, 61, 0.1);
                border: 1px solid var(--border-light);
            }
            .navbar-custom .nav-link {
                padding: 10px 16px !important;
                border-radius: 12px;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            padding: 140px 0 100px;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }

        .hero-wave {
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 120px;
            fill: var(--bg-light);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            padding: 0 24px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 168, 76, 0.15);
            border: 1px solid rgba(201, 168, 76, 0.3);
            color: var(--accent-light);
            padding: 6px 24px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 28px;
            backdrop-filter: blur(10px);
        }

        .hero-title {
            font-size: clamp(2.6rem, 6vw, 4.2rem);
            font-weight: 800;
            color: var(--bg-white);
            line-height: 1.12;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
        }

        .hero-title span {
            color: var(--accent);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(201, 168, 76, 0.3);
            border-radius: 4px;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 1.8vw, 1.3rem);
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-gold {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            padding: 14px 40px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.35);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: var(--bg-white);
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 12px 36px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-light-custom:hover,
        .btn-outline-light-custom:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--bg-white);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 56px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: center;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            opacity: 0.7;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
                min-height: 90vh;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }
            .hero-actions .btn-gold,
            .hero-actions .btn-outline-light-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 90px 0;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.8px;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 168, 76, 0.1);
            padding: 4px 18px;
            border-radius: 40px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
            border: 1px solid rgba(201, 168, 76, 0.15);
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .section-subtitle {
                margin-bottom: 32px;
            }
        }

        /* ===== 平台优势 ===== */
        .advantages-section {
            background: var(--bg-white);
        }

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

        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.2);
        }

        .advantage-card .icon-wrap {
            width: 64px;
            height: 64px;
            background: var(--primary);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }

        .advantage-card:hover .icon-wrap {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.05);
        }

        .advantage-card h5 {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--bg-light);
        }

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

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.2);
        }

        .category-card .card-img {
            height: 200px;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 27, 61, 0.6), transparent);
        }

        .category-card .card-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .card-body h4 {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .category-card .card-body p {
            font-size: 0.95rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 16px;
        }

        .category-card .card-body .btn-link-custom {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            align-self: flex-start;
        }

        .category-card .card-body .btn-link-custom:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

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

        .news-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .news-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(15, 27, 61, 0.1);
            transform: translateY(-2px);
        }

        .news-card .news-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 168, 76, 0.1);
            padding: 2px 14px;
            border-radius: 30px;
            margin-bottom: 10px;
            border: 1px solid rgba(201, 168, 76, 0.15);
        }

        .news-card h5 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-card h5 a {
            color: inherit;
        }
        .news-card h5 a:hover {
            color: var(--accent);
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .news-card .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .news-card .news-meta i {
            margin-right: 4px;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }

        .stats-section .section-title {
            color: var(--bg-white);
        }
        .stats-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        .stats-section .section-label {
            background: rgba(201, 168, 76, 0.15);
            border-color: rgba(201, 168, 76, 0.2);
            color: var(--accent-light);
        }

        .stat-item {
            text-align: center;
            padding: 32px 16px;
            position: relative;
            z-index: 1;
        }

        .stat-item .stat-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .stat-item .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--bg-white);
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .stat-item .stat-num span {
            color: var(--accent);
        }

        .stat-item .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stat-item .stat-num {
                font-size: 2rem;
            }
        }

        /* ===== 游戏特色 ===== */
        .features-section {
            background: var(--bg-light);
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }

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

        .feature-card .feature-img {
            height: 180px;
            overflow: hidden;
        }

        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .feature-card .feature-body {
            padding: 20px 24px 24px;
        }

        .feature-card .feature-body h5 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .feature-card .feature-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .feature-card .feature-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(201, 168, 76, 0.08);
            padding: 2px 12px;
            border-radius: 30px;
            margin-bottom: 8px;
            border: 1px solid rgba(201, 168, 76, 0.12);
        }

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

        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-light);
        }

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            background: var(--bg-light);
            padding: 18px 24px;
            box-shadow: none;
            border-radius: var(--radius-sm) !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-light);
            color: var(--accent-dark);
            box-shadow: none;
        }

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

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(201, 168, 76, 0.3);
        }

        .accordion-custom .accordion-body {
            padding: 4px 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--bg-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-content .btn-gold {
            padding: 16px 48px;
            font-size: 1.1rem;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }

        .footer-section h5 {
            font-weight: 700;
            color: var(--bg-white);
            font-size: 1.1rem;
            margin-bottom: 18px;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--bg-white);
            margin-bottom: 12px;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 340px;
        }

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

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

        .footer-links li a {
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links li a i {
            font-size: 0.7rem;
        }

        .footer-contact p {
            font-size: 0.95rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact p i {
            width: 18px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: var(--transition);
            margin-right: 8px;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer-section {
                padding: 40px 0 20px;
            }
            .footer-brand {
                font-size: 1.2rem;
            }
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--accent);
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            transition: var(--transition);
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent {
            background: var(--accent);
        }

        .divider-custom {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px auto 20px;
        }

        .divider-custom.left {
            margin: 16px 0 20px;
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .navbar-custom .navbar-brand {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #0f3460;
            --accent: #e94560;
            --accent-hover: #d63850;
            --gold: #f5a623;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0d0d1a;
            --text-dark: #1a1a2e;
            --text-body: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f5;
            --border-light: #e8e8f0;
            --border-radius: 16px;
            --border-radius-sm: 10px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --shadow-xl: 0 30px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.04);
            box-shadow: 0 1px 20px rgba(0,0,0,0.04);
            padding: 0 24px;
            height: var(--nav-height);
            transition: var(--transition);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
        }
        .navbar-custom .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .navbar-custom .navbar-brand span { color: var(--accent); font-weight: 700; }
        .navbar-custom .navbar-brand i { font-size: 1.4rem; }
        .navbar-custom .nav-link {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent);
            background: rgba(233,69,96,0.08);
        }
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .navbar-toggler { border: none; padding: 6px 10px; border-radius: 10px; background: rgba(233,69,96,0.06); }
        .navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(233,69,96,0.25); }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231a1a2e' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 50px;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 80%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .article-hero .breadcrumb-custom {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .article-hero .breadcrumb-custom a { color: rgba(255,255,255,0.8); }
        .article-hero .breadcrumb-custom a:hover { color: var(--gold); }
        .article-hero .breadcrumb-custom span { color: var(--gold); }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: #fff;
            max-width: 850px;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-meta .badge-category {
            background: var(--accent);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        .article-meta i { margin-right: 6px; }

        /* ===== Article Main Content ===== */
        .article-main {
            padding: 50px 0 70px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            padding: 48px;
            max-width: 860px;
            margin: 0 auto;
        }
        .article-body .content-area {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body .content-area h2,
        .article-body .content-area h3 {
            color: var(--primary);
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
        }
        .article-body .content-area h2 { font-size: 1.6rem; }
        .article-body .content-area h3 { font-size: 1.25rem; }
        .article-body .content-area p { margin-bottom: 20px; }
        .article-body .content-area ul,
        .article-body .content-area ol { margin-bottom: 20px; padding-left: 24px; }
        .article-body .content-area li { margin-bottom: 8px; }
        .article-body .content-area img { border-radius: var(--border-radius-sm); margin: 24px 0; box-shadow: var(--shadow-sm); }
        .article-body .content-area blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(233,69,96,0.05);
            padding: 20px 24px;
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-body);
        }
        .article-body .content-area a { color: var(--accent); text-decoration: underline; }

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
        }
        .article-not-found .icon-big {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-back:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(233,69,96,0.35);
            color: #fff;
        }

        /* ===== Related / Bottom Section ===== */
        .article-bottom {
            padding: 0 0 60px;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title-wrap .sub-label {
            display: inline-block;
            background: rgba(233,69,96,0.1);
            color: var(--accent);
            padding: 4px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title-wrap h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .card-article {
            background: var(--bg-card);
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-article .card-img-top {
            height: 200px;
            object-fit: cover;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .card-article .card-body { padding: 24px; }
        .card-article .card-category {
            display: inline-block;
            background: rgba(233,69,96,0.08);
            color: var(--accent);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card-article .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-article .card-title a { color: inherit; }
        .card-article .card-title a:hover { color: var(--accent); }
        .card-article .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-article .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .card-article .card-meta i { margin-right: 4px; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0 80px;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            padding: 14px 44px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(233,69,96,0.4);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer-section {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
        }
        .footer-section .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .footer-section .footer-brand span { color: var(--accent); }
        .footer-section .footer-desc {
            color: rgba(255,255,255,0.6);
            font-size: 0.95rem;
            max-width: 340px;
            line-height: 1.7;
        }
        .footer-section .footer-social { display: flex; gap: 14px; margin-top: 20px; }
        .footer-section .footer-social a {
            display: flex; align-items: center; justify-content: center;
            width: 40px; height: 40px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-section .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-section h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-section .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-section .footer-links li { margin-bottom: 10px; }
        .footer-section .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-section .footer-links a i { font-size: 0.6rem; }
        .footer-section .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-section .footer-contact p {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-section .footer-contact i { color: var(--accent); width: 18px; }
        .footer-section .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2rem; }
            .article-body { padding: 36px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 64px; }
            .navbar-custom { height: 64px; padding: 0 16px; }
            .navbar-custom .navbar-brand { font-size: 1.3rem; }
            .navbar-collapse {
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                border-radius: 0 0 var(--border-radius) var(--border-radius);
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
            }
            .article-hero { padding: 40px 0 36px; min-height: 220px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-meta { gap: 12px; font-size: 0.8rem; }
            .article-main { padding: 30px 0 50px; }
            .article-body { padding: 24px 20px; border-radius: var(--border-radius-sm); }
            .article-body .content-area { font-size: 0.98rem; }
            .section-title-wrap h2 { font-size: 1.5rem; }
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section .btn-cta { padding: 12px 32px; font-size: 0.95rem; }
            .footer-section { padding: 40px 0 20px; }
            .footer-section .footer-brand { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .article-hero h1 { font-size: 1.25rem; }
            .article-body { padding: 16px; }
            .article-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
            .navbar-custom .navbar-brand { font-size: 1.1rem; }
            .navbar-custom .navbar-brand i { font-size: 1.1rem; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-section p { font-size: 0.95rem; }
            .footer-section .footer-links a { font-size: 0.85rem; }
        }

/* roulang page: category1 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #0f3460;
            --accent: #e94560;
            --accent-hover: #d63850;
            --accent-light: rgba(233, 69, 96, 0.12);
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0d0d1a;
            --text-dark: #1a1a2e;
            --text-body: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --border-light: #f0f0f8;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(26, 26, 46, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
        }
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--text-white) !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
        }
        .navbar-custom .navbar-brand span {
            color: var(--accent);
            font-weight: 300;
        }
        .navbar-custom .navbar-brand i {
            font-size: 1.8rem;
            margin-right: 10px;
        }
        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, 0.75) !important;
            font-weight: 500;
            font-size: 1rem;
            padding: 8px 20px !important;
            border-radius: 100px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: #fff !important;
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: #fff !important;
            background: var(--accent) !important;
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.35);
        }
        .navbar-toggler {
            border: none;
            padding: 0;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        @media (max-width: 991px) {
            .navbar-custom .navbar-collapse {
                background: rgba(26, 26, 46, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .navbar-custom .nav-link {
                padding: 10px 16px !important;
                border-radius: var(--radius-sm);
            }
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--bg-light);
            clip-path: ellipse(70% 100% at 50% 100%);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .page-banner p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 24px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 130px 0 60px;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }
        .divider-accent {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 20px;
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-custom .card-body {
            padding: 28px;
        }
        .card-custom .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            background: var(--accent-light);
            margin-bottom: 16px;
        }

        /* ===== 步骤流程 ===== */
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.25);
        }
        .step-card h5 {
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1.05rem;
            padding: 20px 24px;
            background: var(--bg-card);
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            opacity: 0.5;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: var(--bg-card);
            box-shadow: none;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 2.4rem;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 16px auto 32px;
        }
        .btn-cta {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 16px 48px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-cta:hover,
        .btn-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(233, 69, 96, 0.4);
        }
        .btn-cta i {
            font-size: 1.2rem;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .btn-cta {
                padding: 14px 36px;
                font-size: 1rem;
            }
        }

        /* ===== 图文板块 ===== */
        .image-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .image-card:hover {
            box-shadow: var(--shadow-md);
            transform: scale(1.01);
        }
        .image-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }
        .image-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
            color: #fff;
        }
        .image-card .overlay h5 {
            font-weight: 600;
            margin-bottom: 4px;
        }
        .image-card .overlay p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 0;
        }

        /* ===== 标签 ===== */
        .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--accent-light);
            color: var(--accent);
            margin-right: 6px;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--accent);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }
        .footer-section .footer-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-section .footer-brand span {
            color: var(--accent);
            font-weight: 300;
        }
        .footer-section .footer-desc {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer-section h5 {
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-section .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section .footer-links li {
            margin-bottom: 10px;
        }
        .footer-section .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-section .footer-links a i {
            font-size: 0.65rem;
            color: var(--accent);
        }
        .footer-section .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer-section .footer-contact p {
            margin-bottom: 10px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-section .footer-contact i {
            color: var(--accent);
            width: 20px;
            text-align: center;
        }
        .footer-section .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .footer-section .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-section .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 32px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 工具类 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-soft {
            background: var(--bg-light);
        }
        .bg-white {
            background: #fff;
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .section-padding {
                padding: 60px 0;
            }
            .step-card {
                padding: 24px 16px;
            }
        }
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .image-card img {
                height: 200px;
            }
            .footer-section {
                padding: 40px 0 20px;
            }
            .footer-section .footer-brand {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 110px 0 50px;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .card-custom .card-body {
                padding: 20px;
            }
            .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }