/* roulang page: index */
:root {
            --primary: #f0652f;
            --primary-light: #ff8a5c;
            --primary-dark: #d0481f;
            --secondary: #2f6ed6;
            --accent: #28a745;
            --bg-body: #f5f6fa;
            --bg-white: #ffffff;
            --bg-dark: #131a26;
            --text-main: #1e2633;
            --text-secondary: #66707d;
            --text-light: #919aa6;
            --border-color: #e6e8ee;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(18, 25, 46, 0.06);
            --shadow-md: 0 8px 30px rgba(18, 25, 46, 0.10);
            --shadow-lg: 0 16px 48px rgba(18, 25, 46, 0.14);
            --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;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: 90px 0;
        }
        .section-soft {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(240, 101, 47, 0.10);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            border: 1px solid rgba(240, 101, 47, 0.18);
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* 导航 */
        .main-nav {
            background: var(--bg-white);
            box-shadow: 0 2px 20px rgba(18, 25, 46, 0.06);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1040;
        }
        .main-nav .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-nav .navbar-brand i {
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .main-nav .navbar-toggler {
            border: none;
            outline: none;
            box-shadow: none;
            padding: 6px 10px;
            border-radius: 10px;
            background: rgba(240, 101, 47, 0.08);
        }
        .main-nav .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 101, 47, 0.25);
        }
        .main-nav .navbar-nav {
            gap: 6px;
        }
        .main-nav .nav-link {
            color: var(--text-main);
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
        }
        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(240, 101, 47, 0.08);
            transform: translateY(-1px);
        }
        .main-nav .nav-link.active {
            color: var(--primary);
            background: rgba(240, 101, 47, 0.12);
            font-weight: 600;
        }
        @media (max-width: 991.98px) {
            .main-nav .navbar-nav {
                margin-top: 14px;
                gap: 4px;
            }
            .main-nav .nav-link {
                padding: 10px 16px !important;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(19, 26, 38, 0.88) 0%, rgba(240, 101, 47, 0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.14) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 22px;
        }
        .hero-tag i {
            color: #ffd166;
        }
        .hero h1 {
            font-size: 3.1rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 12px;
        }
        .hero-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.75;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 44px;
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 50px;
            border: 2px solid var(--primary);
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(240, 101, 47, 0.38);
        }
        .btn-brand:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(240, 101, 47, 0.45);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(240, 101, 47, 0.30);
        }
        .btn-brand:focus-visible {
            outline: 3px solid rgba(240, 101, 47, 0.5);
            outline-offset: 3px;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light-custom:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 3px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.20);
            max-width: 600px;
        }
        .stat-item {
            text-align: left;
        }
        .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.70);
        }
        @media (max-width: 991.98px) {
            .hero {
                padding: 90px 0 70px;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero-subtitle {
                font-size: 1.05rem;
            }
        }
        @media (max-width: 575.98px) {
            .hero {
                padding: 70px 0 50px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-buttons .btn-brand,
            .hero-buttons .btn-outline-light-custom {
                width: 100%;
            }
            .hero-stats {
                gap: 20px;
            }
            .stat-num {
                font-size: 1.4rem;
            }
        }

        /* 认识九游 */
        .about-section {
            background: var(--bg-white);
        }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
        }
        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(19, 26, 38, 0.25), transparent 50%);
        }
        .about-content .section-tag {
            margin-bottom: 12px;
        }
        .about-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
        }
        .about-content>p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .about-card {
            display: flex;
            gap: 14px;
            padding: 18px;
            border-radius: var(--radius-md);
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .about-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(240, 101, 47, 0.25);
        }
        .about-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(240, 101, 47, 0.30);
        }
        .about-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .about-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }
        @media (max-width: 767.98px) {
            .about-features {
                grid-template-columns: 1fr;
            }
            .about-content h2 {
                font-size: 1.6rem;
            }
            .about-section {
                padding: 60px 0;
            }
        }

        /* 分类入口 */
        .category-section {
            background: var(--bg-body);
        }
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .category-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }
        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-img img {
            transform: scale(1.04);
        }
        .category-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(19, 26, 38, 0.35), transparent 45%);
        }
        .category-body {
            padding: 28px 28px 32px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .category-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .category-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.65;
            flex-grow: 1;
            margin-bottom: 18px;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            border: 1.5px solid rgba(240, 101, 47, 0.30);
            padding: 7px 18px;
            border-radius: 50px;
            align-self: flex-start;
            transition: var(--transition);
        }
        .category-link:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 18px rgba(240, 101, 47, 0.28);
            transform: translateX(3px);
        }

        /* 资讯列表 */
        .news-section {
            background: var(--bg-white);
        }
        .news-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(240, 101, 47, 0.30);
            background: #fff;
        }
        .news-badge {
            display: inline-block;
            background: rgba(240, 101, 47, 0.10);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
            align-self: flex-start;
            border: 1px solid rgba(240, 101, 47, 0.20);
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-card h3 a {
            color: var(--text-main);
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            flex-grow: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-light);
            font-size: 13px;
        }
        .news-meta i {
            color: var(--primary);
        }
        @media (max-width: 767.98px) {
            .news-section {
                padding: 60px 0;
            }
        }

        /* 数据统计 */
        .stats-section {
            position: relative;
            background: linear-gradient(135deg, rgba(19, 26, 38, 0.92) 0%, rgba(240, 101, 47, 0.58) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stats-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            transition: var(--transition);
        }
        .stats-card:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }
        .stats-num {
            font-size: 2.4rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
            margin-bottom: 4px;
            background: linear-gradient(135deg, #ffd166, #fff3c4);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stats-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.80);
        }
        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-card {
                padding: 20px 10px;
            }
            .stats-num {
                font-size: 1.8rem;
            }
        }

        /* 使用流程 */
        .steps-section {
            background: var(--bg-white);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            position: relative;
            text-align: center;
            padding: 36px 22px 28px;
            background: var(--bg-body);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(240, 101, 47, 0.12);
            line-height: 1;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(240, 101, 47, 0.25);
        }
        .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 8px 24px rgba(240, 101, 47, 0.32);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 991.98px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-body);
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:last-child {
            margin-bottom: 0;
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: #fff;
            padding: 20px 24px;
            box-shadow: none;
            gap: 12px;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(240, 101, 47, 0.04);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 101, 47, 0.18);
            border-color: rgba(240, 101, 47, 0.20);
        }
        .accordion-button::after {
            background-size: 16px;
            flex-shrink: 0;
            margin-left: auto;
            transition: transform 0.3s ease;
        }
        .accordion-body {
            padding: 8px 24px 22px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            border-top: 1px dashed var(--border-color);
        }

        /* CTA */
        .cta-section {
            padding: 90px 0;
            position: relative;
            background: linear-gradient(135deg, rgba(19, 26, 38, 0.90) 0%, rgba(240, 101, 47, 0.55) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            background-size: cover;
        }
        .cta-box {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            color: #fff;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .btn-light-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 14px 38px;
            border-radius: 50px;
            border: none;
            font-size: 16px;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
        }
        .btn-light-brand:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }
        .btn-light-brand:active {
            transform: translateY(0);
        }
        .btn-light-brand:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.55);
            outline-offset: 4px;
        }
        @media (max-width: 575.98px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
            .btn-light-brand {
                width: 100%;
            }
        }

        /* 页脚 */
        .footer {
            background: #111827;
            color: rgba(255, 255, 255, 0.70);
            padding: 60px 0 0;
        }
        .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i {
            color: var(--primary);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.60);
        }
        .footer-contact li i {
            color: var(--primary);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 20px 0;
            margin-top: 42px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.40);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.60);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 767.98px) {
            .footer {
                padding: 45px 0 0;
            }
        }

        /* 通用响应式 */
        @media (max-width: 767.98px) {
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
        }

/* roulang page: article */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #e0e7ff;
            --secondary: #14b8a6;
            --secondary-light: #ccfbf1;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg: #f6f7fc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e4e9f2;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 4px 16px rgba(30, 41, 59, .05);
            --shadow: 0 12px 36px rgba(30, 41, 59, .07);
            --shadow-lg: 0 24px 60px rgba(79, 70, 229, .12);
            --transition: all .25s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-head {
            text-align: center;
            margin-bottom: 42px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .05em;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .section-head p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-muted);
        }
        .btn {
            border-radius: 999px;
            font-weight: 600;
            padding: .5rem 1.2rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn:hover,
        .btn:focus,
        .btn:active {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, .15);
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }
        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .navbar.main-nav {
            padding: 14px 0;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(228, 233, 242, .7);
            box-shadow: 0 2px 14px rgba(30, 41, 59, .04);
            transition: var(--transition);
        }
        .navbar.main-nav .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: .01em;
        }
        .navbar.main-nav .navbar-brand i {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 14px;
            font-size: 1.2rem;
            box-shadow: 0 6px 16px rgba(99, 102, 241, .28);
        }
        .navbar.main-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            margin: 0 2px;
            transition: var(--transition);
        }
        .navbar.main-nav .nav-link:hover,
        .navbar.main-nav .nav-link:focus {
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .navbar.main-nav .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 6px 16px rgba(99, 102, 241, .28);
        }
        .navbar.main-nav .navbar-toggler {
            border: none;
            border-radius: 12px;
            padding: 8px 12px;
            background: var(--primary-light);
        }
        .navbar.main-nav .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(99, 102, 241, .2);
        }
        .navbar.main-nav .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(79,70,229,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .article-banner {
            position: relative;
            padding: 88px 0 120px;
            background: linear-gradient(135deg, rgba(63, 59, 160, .88), rgba(20, 184, 166, .72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 26px;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .85);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
            border-bottom-color: #fff;
        }
        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, .5);
        }
        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            background: rgba(255, 255, 255, .18);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            margin-bottom: 18px;
        }
        .article-banner h1 {
            font-size: clamp(1.6rem, 4vw, 2.6rem);
            font-weight: 700;
            line-height: 1.35;
            max-width: 820px;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .12);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: .94rem;
            color: rgba(255, 255, 255, .85);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            opacity: .8;
        }
        .article-section {
            padding: 0 0 60px;
            margin-top: -64px;
            position: relative;
            z-index: 3;
        }
        .article-card {
            background: var(--surface);
            border-radius: 22px;
            box-shadow: var(--shadow);
            padding: 40px;
            border: 1px solid rgba(228, 233, 242, .6);
            transition: var(--transition);
        }
        .content-article {
            font-size: 1.02rem;
            line-height: 1.95;
        }
        .content-article p {
            margin-bottom: 1.4em;
            color: #2a3444;
        }
        .content-article h2,
        .content-article h3,
        .content-article h4 {
            color: var(--text);
            font-weight: 700;
            margin: 2em 0 .8em;
        }
        .content-article h2 {
            font-size: 1.45rem;
            border-left: 4px solid var(--primary);
            padding-left: 14px;
        }
        .content-article h3 {
            font-size: 1.2rem;
        }
        .content-article ul,
        .content-article ol {
            padding-left: 1.4em;
            margin-bottom: 1.4em;
        }
        .content-article li {
            margin-bottom: .6em;
        }
        .content-article blockquote {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            border-radius: 0 14px 14px 0;
            padding: 16px 22px;
            margin: 1.6em 0;
            color: #3730a3;
        }
        .content-article img {
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
            margin: 1.6em 0;
        }
        .content-article a {
            font-weight: 600;
            border-bottom: 1px solid var(--primary);
        }
        .content-article table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
        }
        .content-article th,
        .content-article td {
            border: 1px solid var(--border);
            padding: 12px 14px;
        }
        .content-article th {
            background: var(--bg);
            font-weight: 600;
        }
        .article-empty {
            text-align: center;
            padding: 50px 20px;
        }
        .article-empty i {
            font-size: 3.2rem;
            color: var(--primary);
            opacity: .35;
            margin-bottom: 18px;
        }
        .article-empty h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 36px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .85rem;
            transition: var(--transition);
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .tag-item i {
            color: var(--primary);
            font-size: .8rem;
        }
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            margin-top: 34px;
            flex-wrap: wrap;
        }
        .nav-btn.btn {
            border-color: var(--border);
            background: var(--surface);
            color: var(--text);
        }
        .nav-btn.btn:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .side-card {
            background: var(--surface);
            border-radius: 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(228, 233, 242, .6);
            padding: 26px;
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .side-card:hover {
            box-shadow: var(--shadow);
        }
        .side-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-cat-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cat-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: var(--bg);
            border-radius: 14px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .cat-item:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateX(4px);
        }
        .cat-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 12px;
            font-size: 1.1rem;
        }
        .cat-info strong {
            display: block;
            color: var(--text);
            font-size: .94rem;
        }
        .cat-info small {
            color: var(--text-muted);
            font-size: .8rem;
        }
        .hot-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }
        .hot-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-item img {
            width: 72px;
            height: 56px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .hot-item h4 {
            font-size: .9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            margin: 0;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .hot-item h4:hover {
            color: var(--primary);
        }
        .hot-item span {
            font-size: .78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .side-cta {
            background: linear-gradient(135deg, var(--primary), #8b5cf6);
            color: #fff;
            border: none;
            text-align: center;
        }
        .side-cta h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .side-cta p {
            color: rgba(255, 255, 255, .9);
            font-size: .9rem;
            margin-bottom: 18px;
        }
        .related-section {
            padding: 70px 0 40px;
        }
        .related-card-col {
            margin-bottom: 24px;
        }
        .related-card {
            display: block;
            background: var(--surface);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(228, 233, 242, .5);
            transition: var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card .rc-image {
            height: 180px;
            overflow: hidden;
            background: var(--primary-light);
        }
        .related-card .rc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform .5s ease;
        }
        .related-card:hover .rc-image img {
            transform: scale(1.06);
        }
        .related-card .rc-body {
            padding: 22px;
        }
        .related-card .rc-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
        }
        .related-card .rc-body p {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .related-card .rc-body span {
            font-size: .8rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .faq-section {
            padding: 70px 0;
        }
        .faq-section .accordion {
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: 16px;
            --bs-accordion-inner-border-radius: 15px;
            --bs-accordion-bg: var(--surface);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(99, 102, 241, .18);
            --bs-accordion-active-bg: var(--primary-light);
            --bs-accordion-active-color: var(--primary-dark);
        }
        .faq-section .accordion-item {
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            font-weight: 600;
            color: var(--text);
            padding: 20px 24px;
            background: var(--surface);
            font-size: .98rem;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236366f1'%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");
        }
        .faq-section .accordion-body {
            padding: 20px 24px;
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--surface);
        }
        .cta-section {
            padding: 60px 0 80px;
        }
        .cta-box {
            position: relative;
            background: linear-gradient(rgba(30, 27, 75, .82), rgba(79, 70, 229, .78)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: 24px;
            padding: 60px 30px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 220px;
            height: 220px;
            border: 30px solid rgba(255, 255, 255, .06);
            border-radius: 50%;
        }
        .cta-box h2 {
            position: relative;
            z-index: 1;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-box p {
            position: relative;
            z-index: 1;
            color: rgba(255, 255, 255, .88);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.02rem;
        }
        .cta-box .cta-buttons {
            position: relative;
            z-index: 1;
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer {
            background: #16192c;
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 0;
            margin-top: 20px;
        }
        .footer .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer .footer-brand i {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            color: #fff;
            font-size: 1.1rem;
        }
        .footer .footer-desc {
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .6);
        }
        .footer .footer-contact i {
            color: var(--secondary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 991.98px) {
            .navbar.main-nav .navbar-collapse {
                background: var(--surface);
                border-radius: 16px;
                padding: 12px;
                margin-top: 12px;
                box-shadow: var(--shadow);
                border: 1px solid var(--border);
            }
            .navbar.main-nav .nav-link {
                padding: 12px 18px;
                border-radius: 10px;
            }
            .article-banner {
                padding: 60px 0 110px;
            }
            .article-card {
                padding: 28px;
            }
            .side-card {
                padding: 20px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar.main-nav .navbar-brand {
                font-size: 1.1rem;
            }
            .navbar.main-nav .navbar-brand i {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                gap: 12px;
                font-size: .84rem;
            }
            .article-section {
                margin-top: -48px;
            }
            .article-card {
                padding: 22px;
                border-radius: 18px;
            }
            .content-article {
                font-size: .98rem;
            }
            .content-article h2 {
                font-size: 1.2rem;
            }
            .article-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .nav-btn.btn {
                text-align: center;
            }
            .related-section {
                padding-top: 50px;
            }
            .faq-section,
            .cta-section {
                padding: 50px 0;
            }
            .cta-box {
                padding: 46px 20px;
                border-radius: 20px;
            }
            .cta-box .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-box .btn {
                width: 100%;
                max-width: 260px;
            }
            .footer {
                padding-top: 40px;
            }
        }
        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.25rem;
                line-height: 1.5;
            }
            .article-banner {
                padding: 48px 0 100px;
            }
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            .article-card {
                padding: 18px;
            }
            .side-title {
                font-size: .98rem;
            }
            .cat-item {
                padding: 12px 14px;
            }
            .hot-item img {
                width: 60px;
                height: 48px;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #4f6df5;
            --primary-dark: #3a53d9;
            --primary-light: #eef1fe;
            --accent: #ff7a45;
            --accent-light: #fff1e8;
            --success: #22b07d;
            --warning: #f5a623;
            --danger: #e94f4f;
            --bg-body: #f6f8fc;
            --bg-white: #ffffff;
            --bg-soft: #eef2fa;
            --text-main: #1e2a44;
            --text-body: #52607a;
            --text-muted: #8b95ab;
            --border: #e3e9f3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(30, 42, 68, 0.06);
            --shadow-md: 0 8px 30px rgba(30, 42, 68, 0.08);
            --shadow-lg: 0 16px 48px rgba(30, 42, 68, 0.12);
            --space-section: 88px;
            --space-section-mobile: 58px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.75rem;
        }

        p {
            margin-bottom: 1rem;
        }

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

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

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

        ul,
        ol {
            padding-left: 0;
            list-style: none;
        }

        .container {
            max-width: 1200px;
        }

        /* =========== 导航 =========== */
        .main-nav {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 24px rgba(30, 42, 68, 0.06);
            padding-top: 10px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .main-nav .navbar-brand {
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-main);
            letter-spacing: 0.3px;
        }

        .main-nav .navbar-brand i {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #7b9bff);
            color: #fff;
            border-radius: 12px;
            margin-right: 10px;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(79, 109, 245, 0.3);
        }

        .main-nav .navbar-nav .nav-link {
            color: var(--text-body);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .main-nav .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            position: relative;
            font-weight: 700;
        }

        .main-nav .navbar-toggler {
            border: none;
            border-radius: 10px;
            padding: 6px 10px;
            background: var(--primary-light);
        }

        .main-nav .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.2);
        }

        .main-nav .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(79,109,245,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* =========== Hero =========== */
        .page-hero {
            position: relative;
            padding: 96px 0 88px;
            background: linear-gradient(135deg, #1b2346 0%, #2a3b7c 50%, #3a53d9 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(18, 25, 55, 0.88) 0%, rgba(38, 55, 115, 0.72) 55%, rgba(79, 109, 245, 0.45) 100%);
            z-index: 1;
        }

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

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 7px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }

        .page-hero .hero-badge i {
            color: #ffd175;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .page-hero p.lead {
            font-size: 1.1rem;
            max-width: 680px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .hero-tags .tag-item:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* =========== 通用板块 =========== */
        .section {
            padding: var(--space-section) 0;
        }

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

        .section-title {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-title .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 50px;
            padding: 6px 18px;
            margin-bottom: 14px;
        }

        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .section-title p {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* =========== 概览数据 =========== */
        .overview-section {
            margin-top: -44px;
            position: relative;
            z-index: 5;
        }

        .overview-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
        }

        .overview-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 44px rgba(30, 42, 68, 0.14);
        }

        .overview-card .icon-wrap {
            width: 62px;
            height: 62px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
        }

        .overview-card .icon-wrap.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .overview-card .icon-wrap.orange {
            background: var(--accent-light);
            color: var(--accent);
        }

        .overview-card .icon-wrap.green {
            background: rgba(34, 176, 125, 0.12);
            color: var(--success);
        }

        .overview-card .icon-wrap.red {
            background: rgba(233, 79, 79, 0.1);
            color: var(--danger);
        }

        .overview-card .num {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
        }

        .overview-card .label {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .overview-card .desc {
            font-size: 0.88rem;
            color: var(--text-body);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px dashed var(--border);
        }

        /* =========== 安全提示卡片 =========== */
        .safety-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition);
        }

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

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

        .safety-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .safety-card .card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 42, 68, 0) 35%, rgba(30, 42, 68, 0.55) 100%);
        }

        .safety-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: var(--shadow-sm);
        }

        .safety-card .card-body {
            padding: 24px 22px 26px;
        }

        .safety-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        .safety-card .card-body .card-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        .safety-card .card-body .card-list li i {
            color: var(--success);
            margin-top: 4px;
            font-size: 0.78rem;
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 50px;
            padding: 8px 20px;
            transition: var(--transition);
        }

        .btn-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }

        /* =========== 安全保护流程 =========== */
        .steps-section {
            background: var(--bg-soft);
            position: relative;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(rgba(79, 109, 245, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
            transition: var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-num {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #7b9bff);
            color: #fff;
            border-radius: 14px;
            font-weight: 800;
            font-size: 1.15rem;
            margin-bottom: 18px;
            box-shadow: 0 6px 18px rgba(79, 109, 245, 0.35);
        }

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

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-body);
            margin-bottom: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 1.1rem;
            z-index: 2;
            background: var(--bg-white);
            border-radius: 50%;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        /* =========== 安全资讯列表 =========== */
        .article-card {
            display: flex;
            gap: 18px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 109, 245, 0.3);
            transform: translateX(4px);
        }

        .article-thumb {
            flex: 0 0 130px;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
        }

        .article-thumb img {
            width: 130px;
            height: 96px;
            object-fit: cover;
        }

        .article-content {
            flex: 1;
        }

        .article-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-content h3 a {
            color: var(--text-main);
        }

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

        .article-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .article-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

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

        .faq-card {
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 22px 24px;
            margin-bottom: 14px;
            transition: var(--transition);
        }

        .faq-card:hover {
            background: var(--primary-light);
            border-color: rgba(79, 109, 245, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }

        .faq-question .faq-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }

        .faq-question h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0;
            flex: 1;
        }

        .faq-answer {
            padding: 14px 0 0 48px;
            font-size: 0.92rem;
            color: var(--text-body);
        }

        /* =========== CTA =========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #1b2346 0%, #2e418f 60%, #4f6df5 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(20, 28, 60, 0.6);
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 700;
            border-radius: 50px;
            padding: 13px 36px;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.24);
            color: var(--primary);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 50px;
            padding: 12px 32px;
            font-weight: 600;
            transition: var(--transition);
            margin-left: 10px;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #fff;
        }

        /* =========== 底部 =========== */
        .footer {
            background: #171e38;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 60px;
        }

        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer .footer-brand i {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), #7b9bff);
            color: #fff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

        .footer-links a,
        .footer-contact span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            margin-bottom: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* =========== 响应式 =========== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 68px;
            }

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

            .step-arrow {
                display: none;
            }

            .article-card {
                flex-direction: column;
            }

            .article-thumb,
            .article-thumb img {
                width: 100%;
                height: 180px;
            }

            .section-title h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav .navbar-collapse {
                background: var(--bg-white);
                border-radius: 14px;
                padding: 12px 10px;
                margin-top: 10px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border);
            }

            .main-nav .navbar-nav .nav-link {
                padding: 10px 16px;
                border-radius: 10px;
            }

            .page-hero {
                padding: 70px 0 64px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero p.lead {
                font-size: 1rem;
            }

            .overview-section {
                margin-top: -30px;
            }

            .overview-card {
                padding: 22px 16px;
            }

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

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

            .section-title h2 {
                font-size: 1.55rem;
            }

            .safety-card .card-img {
                height: 170px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-section: 52px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero {
                padding: 56px 0 50px;
            }

            .hero-tags .tag-item {
                font-size: 0.8rem;
                padding: 5px 12px;
            }

            .section-title {
                margin-bottom: 34px;
            }

            .section-title h2 {
                font-size: 1.4rem;
            }

            .faq-question {
                align-items: flex-start;
            }

            .faq-answer {
                padding-left: 0;
            }

            .footer {
                padding-top: 42px;
            }

            .footer-title {
                margin-top: 16px;
            }

            .footer-bottom p {
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #4f6ef7;
            --primary-dark: #3b57d6;
            --primary-light: #edf1ff;
            --accent: #ffb347;
            --success: #22c55e;
            --bg: #f6f8fc;
            --surface: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e6eaf2;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 14px rgba(30, 41, 59, .06);
            --shadow: 0 10px 30px rgba(30, 41, 59, .08);
            --shadow-lg: 0 18px 46px rgba(30, 41, 59, .12);
            --transition: all .25s ease;
        }

        * {
            box-sizing: border-box;
        }

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

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

        img {
            max-width: 100%;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.3;
        }

        .container {
            max-width: 1160px;
        }

        /* ===== 导航 ===== */
        .main-nav {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text) !important;
            letter-spacing: -.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand i {
            color: var(--primary);
            font-size: 1.35rem;
            background: var(--primary-light);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .main-nav .nav-link {
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 12px;
            padding: 8px 16px !important;
            margin-left: 4px;
        }

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

        .main-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 110, 247, .15);
        }

        .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='%234f6ef7' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 88px 0 96px;
            background: linear-gradient(135deg, rgba(61, 80, 230, .92), rgba(104, 86, 245, .88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: auto -10% -60% -10%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(255, 255, 255, .14), transparent 65%);
            pointer-events: none;
        }

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

        .page-hero .breadcrumb {
            margin-bottom: 18px;
        }

        .page-hero .breadcrumb-item,
        .page-hero .breadcrumb-item a,
        .page-hero .breadcrumb-item.active,
        .page-hero .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .85);
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 14px;
        }

        .page-hero p {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, .92);
            max-width: 660px;
            margin-bottom: 28px;
        }

        .btn-hero {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .6);
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 76px 0;
        }

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

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .3px;
            padding: 6px 16px;
            border-radius: 999px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -.5px;
            margin: 14px 0 10px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
        }

        /* ===== 入口方式卡片 ===== */
        .entry-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
        }

        .entry-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .entry-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 18px;
        }

        .icon-blue {
            background: var(--primary);
        }

        .icon-orange {
            background: var(--accent);
        }

        .icon-green {
            background: var(--success);
        }

        .entry-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .entry-card p {
            color: var(--text-muted);
            font-size: .95rem;
            margin-bottom: 14px;
        }

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

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .92rem;
            color: var(--text);
            padding: 6px 0;
        }

        .feature-list li i {
            color: var(--success);
            font-size: .85rem;
        }

        /* ===== 流程 ===== */
        .step-section {
            background: var(--surface);
        }

        .img-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--primary-light);
            border: 1px solid var(--border);
        }

        .img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform .5s ease;
        }

        .img-frame:hover img {
            transform: scale(1.02);
        }

        .step-item {
            display: flex;
            gap: 18px;
            padding: 22px 0;
            border-bottom: 1px dashed var(--border);
        }

        .step-item:last-child {
            border-bottom: 0;
        }

        .step-num {
            width: 54px;
            height: 54px;
            flex-shrink: 0;
            border-radius: 15px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .step-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        /* ===== 数据统计 ===== */
        .stat-section {
            background: #f0f3fb;
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 20px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .stat-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-muted);
            margin-top: 6px;
            font-size: .95rem;
        }

        /* ===== 安全提示 ===== */
        .safety-box {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

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

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            color: var(--text);
            font-size: .96rem;
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li i {
            color: var(--success);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            overflow: hidden;
            margin-bottom: 14px;
            box-shadow: none !important;
        }

        .accordion-button {
            padding: 18px 20px;
            font-weight: 600;
            color: var(--text);
            background: var(--surface);
            font-size: 1rem;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(79, 110, 247, .15);
        }

        .accordion-button::after {
            background-size: 14px;
            opacity: .7;
        }

        .accordion-body {
            padding: 18px 20px;
            color: var(--text-muted);
            font-size: .96rem;
            background: var(--surface);
            border-top: 0;
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            display: block;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .news-thumb {
            overflow: hidden;
            height: 190px;
            background: var(--primary-light);
        }

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

        .news-card:hover .news-thumb img {
            transform: scale(1.04);
        }

        .news-body {
            padding: 22px;
        }

        .badge-soft {
            background: var(--primary-light);
            color: var(--primary);
            font-size: .78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            display: inline-block;
        }

        .news-body h3 {
            font-size: 1.06rem;
            font-weight: 700;
            margin: 12px 0 8px;
            line-height: 1.4;
        }

        .news-body p {
            color: var(--text-muted);
            font-size: .93rem;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-btn {
            color: var(--primary);
            font-weight: 600;
            font-size: .92rem;
        }

        .news-btn i {
            transition: transform .2s ease;
        }

        .news-card:hover .news-btn i {
            transform: translateX(4px);
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, #4059e6, #6a5af9);
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(255, 255, 255, .15), transparent 65%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 30px;
        }

        .btn-cta {
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 12px 30px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-cta:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-cta-outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .6);
            border-radius: 999px;
            padding: 12px 30px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #151c30;
            color: rgba(255, 255, 255, .68);
            padding-top: 64px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand i {
            color: var(--primary);
            background: rgba(79, 110, 247, .15);
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: .95rem;
            line-height: 1.7;
        }

        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            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, .62);
            font-size: .95rem;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, .62);
            font-size: .95rem;
            margin-bottom: 12px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding: 20px 0;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .main-nav .navbar-collapse {
                padding: 12px 0 6px;
            }

            .main-nav .nav-link {
                margin-left: 0;
                padding: 10px 12px !important;
            }

            .page-hero {
                padding: 64px 0 72px;
            }

            .section-padding {
                padding: 56px 0;
            }

            .cta-box {
                padding: 48px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .section-subtitle {
                font-size: .98rem;
            }

            .stat-num {
                font-size: 1.8rem;
            }

            .img-frame img {
                min-height: 220px;
            }

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

        @media (max-width: 575.98px) {
            .page-hero {
                padding: 52px 0 60px;
            }

            .page-hero .btn-hero,
            .page-hero .btn-hero-outline,
            .btn-cta,
            .btn-cta-outline {
                width: 100%;
            }

            .section-padding {
                padding: 44px 0;
            }

            .entry-card,
            .safety-box,
            .stat-card {
                padding: 22px 16px;
            }

            .cta-box {
                padding: 36px 20px;
                border-radius: var(--radius);
            }

            .step-item {
                flex-direction: column;
                gap: 10px;
            }

            .footer {
                padding-top: 44px;
            }

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