/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1d37;
            --primary-light: #132c46;
            --primary-dark: #061224;
            --accent: #c9a86a;
            --accent-light: #e0be84;
            --accent-dark: #a8844a;
            --bg-light: #f6f8fc;
            --bg-white: #ffffff;
            --text-main: #1c2430;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --shadow-sm: 0 4px 16px rgba(10, 29, 55, 0.06);
            --shadow-md: 0 10px 32px rgba(10, 29, 55, 0.10);
            --shadow-lg: 0 24px 56px rgba(10, 29, 55, 0.16);
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 76px;
            --section-gap: 96px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: 1280px;
        }

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

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 106, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 100px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-header.left {
            text-align: left;
            margin-left: 0;
        }

        /* ===== 按钮系统 ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
        }

        .btn-brand {
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: var(--primary-dark) !important;
            box-shadow: 0 6px 20px rgba(201, 168, 106, 0.35);
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 168, 106, 0.45);
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff !important;
        }

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

        .btn-dark {
            background: var(--primary);
            color: #fff !important;
        }

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

        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary) !important;
        }

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

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(201, 168, 106, 0.5);
            outline-offset: 2px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(10, 29, 55, 0.04);
        }

        .site-header .navbar {
            padding: 0;
            min-height: var(--header-height);
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            padding: 0;
        }

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

        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(10, 29, 55, 0.3);
        }

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

        .site-header .nav-link {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            padding: 10px 20px !important;
            border-radius: 8px;
            position: relative;
        }

        .site-header .nav-link:hover {
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.08);
        }

        .site-header .nav-link.active {
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.12);
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 0 16px;
            transition: var(--transition);
            height: 42px;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(201, 168, 106, 0.15);
            background: #fff;
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-main);
            width: 120px;
        }

        .search-box input::placeholder {
            color: #94a3b8;
        }

        .site-header .navbar-toggler {
            border: none;
            padding: 8px;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 18px;
            box-shadow: none;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(201, 168, 106, 0.2);
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 80px;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 18, 36, 0.92) 0%, rgba(10, 29, 55, 0.78) 45%, rgba(10, 29, 55, 0.45) 100%);
        }

        .hero::after {
            content: "";
            position: absolute;
            bottom: -60px;
            right: -60px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(201, 168, 106, 0.12);
            filter: blur(80px);
            z-index: 0;
        }

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

        .hero-content {
            max-width: 680px;
            color: #fff;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }

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

        .hero-title {
            font-size: clamp(32px, 5.5vw, 58px);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: 24px;
        }

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

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }

        .hero-data {
            display: flex;
            gap: 42px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 32px;
        }

        .hero-data-item {
            text-align: left;
        }

        .hero-data-item .number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
            margin-bottom: 6px;
            display: flex;
            align-items: baseline;
            gap: 2px;
        }

        .hero-data-item .number span {
            font-size: 20px;
            font-weight: 700;
        }

        .hero-data-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 数据指标条 ===== */
        .stats-section {
            padding: 64px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-card {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0.6;
        }

        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 106, 0.4);
        }

        .stat-card .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: var(--shadow-sm);
        }

        .stat-card .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== 业务领域 ===== */
        .business-section {
            padding: var(--section-gap) 0;
            background: var(--bg-light);
        }

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

        .business-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 106, 0.35);
        }

        .business-card .card-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

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

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

        .business-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 29, 55, 0.35), transparent);
        }

        .business-card .card-icon {
            position: absolute;
            bottom: -24px;
            right: 24px;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(201, 168, 106, 0.35);
            z-index: 2;
        }

        .business-card .card-body {
            padding: 32px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

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

        .business-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
        }

        .business-card .card-link {
            margin-top: 18px;
            font-weight: 600;
            font-size: 14px;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .business-card .card-link:hover {
            gap: 10px;
        }

        /* ===== 关于我们 ===== */
        .about-section {
            padding: var(--section-gap) 0;
            background: var(--bg-white);
            overflow: hidden;
        }

        .about-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 460px;
        }

        .about-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .about-exp-badge {
            position: absolute;
            bottom: 28px;
            left: 28px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            padding: 16px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .about-exp-badge .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .about-exp-badge .label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .about-content {
            padding-left: 24px;
        }

        .about-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .about-content>p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .about-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
        }

        .about-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 15px;
            color: var(--text-main);
        }

        .about-feature-list li:last-child {
            border-bottom: none;
        }

        .about-feature-list li i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 2px;
        }

        .about-feature-list li strong {
            font-weight: 600;
            color: var(--primary);
        }

        /* ===== 资讯板块 ===== */
        .news-section {
            padding: var(--section-gap) 0;
            background: var(--bg-light);
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 106, 0.3);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .badge-cat {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.5px;
        }

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

        .news-date i {
            font-size: 12px;
        }

        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .news-card h3 a {
            color: var(--text-main);
        }

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

        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .read-more:hover {
            gap: 12px;
            color: var(--primary);
        }

        .empty-notice {
            text-align: center;
            padding: 60px 30px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 16px;
        }

        /* ===== 流程板块 ===== */
        .process-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
        }

        .process-card {
            text-align: center;
            padding: 36px 28px;
            position: relative;
        }

        .process-card::after {
            content: "";
            position: absolute;
            top: 36px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0.6;
        }

        .process-card:last-child::after {
            display: none;
        }

        .process-num {
            width: 70px;
            height: 70px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent-light);
            font-size: 26px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 30px rgba(10, 29, 55, 0.25);
            position: relative;
        }

        .process-num::before {
            content: "";
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px dashed rgba(201, 168, 106, 0.4);
        }

        .process-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .process-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 8px 28px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(201, 168, 106, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--primary);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease, opacity 0.3s ease;
            opacity: 0;
            padding: 0;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding: 0 0 20px;
            border-top: 1px solid var(--border-color);
            margin-top: 4px;
            padding-top: 14px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(6, 18, 36, 0.94), rgba(10, 29, 55, 0.82));
        }

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

        .cta-section h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .cta-phone {
            position: absolute;
            bottom: 20px;
            right: 30px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #cbd5e1;
            padding-top: 80px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .site-footer .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
            margin-bottom: 24px;
        }

        .site-footer .social-links {
            display: flex;
            gap: 10px;
        }

        .site-footer .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #cbd5e1;
            font-size: 15px;
            transition: var(--transition);
        }

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

        .site-footer .footer-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }

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

        .site-footer .footer-links li {
            margin-bottom: 12px;
        }

        .site-footer .footer-links a {
            color: #94a3b8;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .site-footer .footer-links a::before {
            content: "›";
            color: var(--accent);
            font-size: 18px;
            line-height: 0;
        }

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

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

        .site-footer .footer-contact-list li {
            display: flex;
            gap: 14px;
            margin-bottom: 16px;
            font-size: 14px;
            color: #94a3b8;
            align-items: flex-start;
        }

        .site-footer .footer-contact-list li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 60px;
            text-align: center;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom .copyright a {
            color: #94a3b8;
        }

        .footer-bottom .copyright a:hover {
            color: var(--accent-light);
        }

        /* ===== 移动端菜单 ===== */
        .mobile-nav {
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 20px;
            box-shadow: var(--shadow-lg);
        }

        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-nav ul li {
            margin-bottom: 4px;
        }

        .mobile-nav ul li a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
        }

        .mobile-nav ul li a:hover,
        .mobile-nav ul li a.active {
            background: rgba(201, 168, 106, 0.12);
            color: var(--accent-dark);
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1199px) {
            .hero-data {
                gap: 30px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --header-height: 68px;
                --section-gap: 72px;
            }

            .site-header .navbar-nav {
                margin: 0 !important;
                padding: 12px 0;
            }

            .site-header .nav-link {
                padding: 10px 16px !important;
            }

            .search-box {
                display: none !important;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .about-content {
                padding-left: 0;
                margin-top: 40px;
            }

            .about-img-wrap {
                min-height: 380px;
            }

            .about-exp-badge {
                bottom: 20px;
                left: 20px;
                padding: 14px 18px;
            }

            .process-card::after {
                display: none;
            }

            .process-card {
                margin-bottom: 32px;
            }

            .hero {
                min-height: auto;
                padding-top: calc(var(--header-height) + 60px);
                padding-bottom: 60px;
            }

            .hero-data {
                gap: 24px;
            }

            .hero-data-item .number {
                font-size: 30px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-gap: 60px;
            }

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

            .section-header h2 {
                font-size: 26px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-data {
                gap: 18px;
            }

            .hero-data-item .number {
                font-size: 26px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-card {
                padding: 24px 16px;
            }

            .stat-card .stat-num {
                font-size: 32px;
            }

            .business-card .card-img {
                height: 180px;
            }

            .about-img-wrap {
                min-height: 300px;
            }

            .about-exp-badge .num {
                font-size: 24px;
            }

            .cta-section {
                padding: 70px 0;
            }

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

            .footer-bottom {
                margin-top: 40px;
            }

            .site-footer {
                padding-top: 60px;
            }
        }

        @media (max-width: 575px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 20px 14px;
            }

            .stat-card .stat-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
                margin-bottom: 14px;
            }

            .stat-card .stat-num {
                font-size: 28px;
            }

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

            .hero-data-item {
                width: calc(50% - 16px);
                text-align: center;
            }

            .hero-data-item .number {
                justify-content: center;
            }

            .about-exp-badge {
                padding: 12px 16px;
                gap: 10px;
            }

            .about-exp-badge .num {
                font-size: 22px;
            }

            .about-exp-badge .label {
                font-size: 12px;
            }

            .about-content h2 {
                font-size: 24px;
            }

            .faq-item {
                padding: 6px 18px;
            }

            .faq-question {
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1b2a4a;
            --primary-light: #2d4271;
            --primary-dark: #101d36;
            --accent: #d6a354;
            --accent-light: #f0d6a5;
            --text: #1e293b;
            --text-muted: #64748b;
            --bg: #f5f7fb;
            --bg-light: #eef1f7;
            --white: #ffffff;
            --border: #e6eaf2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
            --shadow: 0 12px 36px rgba(15, 23, 42, 0.09);
            --shadow-lg: 0 24px 56px rgba(15, 23, 42, 0.13);
            --transition: all 0.3s ease;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1280px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.04);
        }
        .site-header .navbar {
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: -0.02em;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.05rem;
            box-shadow: 0 4px 12px rgba(27, 42, 74, 0.25);
        }
        .navbar-nav {
            gap: 0.25rem;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text) !important;
            padding: 0.55rem 1.1rem !important;
            border-radius: 8px;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: var(--bg-light);
        }
        .nav-link.active {
            color: var(--primary) !important;
            background: rgba(27, 42, 74, 0.08);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 1.1rem;
            right: 1.1rem;
            bottom: 0.1rem;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0.35rem 0.85rem;
            min-width: 180px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(214, 163, 84, 0.18);
            background: #fff;
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-right: 0.45rem;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.88rem;
            color: var(--text);
            width: 100%;
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .btn-brand {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.45rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(27, 42, 74, 0.22);
            transition: var(--transition);
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(27, 42, 74, 0.3);
            color: #fff;
        }
        .btn-brand:focus {
            outline: 3px solid rgba(214, 163, 84, 0.4);
            outline-offset: 2px;
        }
        .navbar-toggler {
            border: none;
            background: var(--bg-light);
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
            color: var(--primary);
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(214, 163, 84, 0.3);
            outline: none;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 4.5rem 0 3.5rem;
            overflow: hidden;
        }
        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(120deg, rgba(16, 29, 54, 0.94) 0%, rgba(27, 42, 74, 0.82) 50%, rgba(16, 29, 54, 0.65) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.25rem;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-light);
        }
        .breadcrumb-nav .separator {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb-nav .current {
            color: rgba(255, 255, 255, 0.9);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(214, 163, 84, 0.22);
            border: 1px solid rgba(214, 163, 84, 0.55);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 1rem;
            border-radius: 40px;
            letter-spacing: 0.03em;
            margin-bottom: 1rem;
        }
        .hero-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 1.1rem;
            letter-spacing: -0.02em;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }
        .hero-meta i {
            color: var(--accent-light);
        }

        /* ===== Article Main ===== */
        .article-main {
            background: var(--bg);
            padding: 3rem 0 0;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 2.5rem 3rem;
            margin-top: -2rem;
            position: relative;
            z-index: 5;
        }
        .article-body {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2.2rem 0 1rem;
            padding-left: 0.85rem;
            border-left: 4px solid var(--accent);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.8rem 0 0.8rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.4rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px dashed var(--accent);
        }
        .article-body a:hover {
            text-decoration: none;
            border-bottom-style: solid;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-light);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1.5rem;
        }
        .article-body th {
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 1rem;
            font-size: 0.9rem;
            text-align: left;
        }
        .article-body td {
            padding: 0.6rem 1rem;
            border: 1px solid var(--border);
            font-size: 0.95rem;
        }
        .article-body tr:nth-child(even) td {
            background: var(--bg-light);
        }
        .article-footer-block {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            margin-top: 2rem;
            padding-top: 1.75rem;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0.3rem 0.9rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .tag-item:hover {
            background: rgba(214, 163, 84, 0.12);
            border-color: var(--accent);
            color: var(--primary);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 0.55rem;
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .share-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .share-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(27, 42, 74, 0.3);
        }

        /* ===== Error State ===== */
        .not-found-wrap {
            padding: 4rem 2rem;
            text-align: center;
        }
        .not-found-icon {
            font-size: 3.5rem;
            color: var(--accent);
            margin-bottom: 1.25rem;
            display: inline-block;
        }
        .not-found-wrap h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        .not-found-wrap p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 4rem 0 3rem;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            margin: 0;
            letter-spacing: -0.01em;
        }
        .section-title .accent-line {
            display: inline-block;
            width: 40px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            margin-right: 0.6rem;
            vertical-align: middle;
        }
        .section-more {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .section-more:hover {
            color: var(--primary);
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card .card-cat {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .card-title {
            color: var(--primary);
        }
        .related-card .card-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .related-card .card-meta {
            margin-top: auto;
            font-size: 0.82rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 3.5rem 0;
            background:
                linear-gradient(135deg, rgba(16, 29, 54, 0.94), rgba(27, 42, 74, 0.9)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            position: relative;
        }
        .cta-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 520px;
            margin-bottom: 0;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .btn-light-brand {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.7rem;
            font-weight: 700;
            font-size: 0.92rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(214, 163, 84, 0.35);
        }
        .btn-light-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(214, 163, 84, 0.5);
            color: var(--primary-dark);
        }
        .btn-outline-light-brand {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: 40px;
            padding: 0.6rem 1.7rem;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .btn-outline-light-brand:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 4.5rem 0 0;
            position: relative;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-desc {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            margin-bottom: 1.5rem;
            max-width: 320px;
        }
        .social-links {
            display: flex;
            gap: 0.6rem;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.1rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.55rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0.75rem;
            line-height: 1.5;
        }
        .footer-contact-list i {
            color: var(--accent);
            margin-top: 0.2rem;
            font-size: 0.85rem;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            margin-top: 3.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
        }
        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom-inner a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-inner a:hover {
            color: var(--accent-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .article-card {
                padding: 2rem;
            }
        }
        @media (max-width: 992px) {
            .search-box {
                display: none;
            }
            .navbar-collapse {
                background: var(--white);
                border-radius: 12px;
                padding: 0.5rem 1rem;
                margin-top: 0.75rem;
                box-shadow: var(--shadow);
                border: 1px solid var(--border);
            }
            .nav-link.active::after {
                display: none;
            }
            .navbar-nav {
                gap: 0;
                padding: 0.25rem 0;
            }
            .nav-item {
                border-bottom: 1px solid var(--bg-light);
            }
            .nav-item:last-child {
                border-bottom: none;
            }
            .nav-link {
                padding: 0.6rem 0.75rem !important;
            }
            .article-card {
                padding: 1.75rem;
                margin-top: -1.5rem;
            }
        }
        @media (max-width: 768px) {
            .article-hero {
                padding: 3rem 0 2.5rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-meta {
                gap: 0.85rem;
                font-size: 0.82rem;
            }
            .article-card {
                padding: 1.4rem;
                border-radius: var(--radius-sm);
            }
            .article-body {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.35rem;
            }
            .breadcrumb-nav {
                font-size: 0.78rem;
            }
            .hero-badge {
                font-size: 0.72rem;
                padding: 0.25rem 0.75rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
            .article-footer-block {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-share {
                margin-top: 0.5rem;
            }
            .related-card .card-img {
                height: 150px;
            }
            .cta-actions .btn-light-brand,
            .cta-actions .btn-outline-light-brand {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a5cff;
            --primary-dark: #0645c8;
            --primary-light: #e8f0ff;
            --accent: #ff6b35;
            --dark-bg: #0b1220;
            --dark-card: #131c2e;
            --body-bg: #f5f7fb;
            --text-main: #1a2332;
            --text-muted: #6b7a90;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(10, 20, 50, 0.08);
            --shadow-hover: 0 12px 40px rgba(10, 20, 50, 0.14);
            --transition: all 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--body-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== 按钮 ===== */
        .btn-brand {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(10, 92, 255, 0.3);
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(10, 92, 255, 0.4);
            color: #fff;
        }
        .btn-brand:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(10, 92, 255, 0.2);
        }
        .btn-outline-brand {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .btn-outline-brand:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .btn-outline-brand:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(10, 92, 255, 0.15);
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(10, 20, 50, 0.06);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(10, 92, 255, 0.35);
        }
        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 22px !important;
            border-radius: 50px;
            transition: var(--transition);
            font-size: 15px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 6px 14px;
            gap: 8px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(10, 92, 255, 0.1);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 120px;
            font-size: 14px;
            color: var(--text-main);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-main);
            font-size: 20px;
            padding: 4px 8px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== 页内横幅 ===== */
        .page-banner {
            background: linear-gradient(77deg, rgba(11, 18, 32, 0.82) 0%, rgba(11, 18, 32, 0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 90px 0;
            position: relative;
        }
        .page-banner .banner-title {
            color: #fff;
            font-size: 44px;
            font-weight: 800;
            letter-spacing: 3px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .page-banner .banner-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 620px;
            line-height: 1.8;
        }
        .page-banner .banner-crumb {
            margin-top: 22px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }
        .page-banner .banner-crumb a {
            color: rgba(255, 255, 255, 0.9);
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
            padding-bottom: 2px;
        }
        .page-banner .banner-crumb a:hover {
            color: #fff;
            border-bottom-color: #fff;
        }
        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .banner-meta .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 13px;
            border-radius: 50px;
            padding: 5px 16px;
        }
        .banner-meta .meta-chip i {
            color: #7aa8ff;
        }

        /* ===== 分类筛选 ===== */
        .filter-bar {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            margin-top: -34px;
            position: relative;
            z-index: 5;
            margin-bottom: 60px;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .filter-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            margin: 4px;
            cursor: pointer;
            transition: var(--transition);
            background: #fff;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(10, 92, 255, 0.25);
        }
        .filter-meta-text {
            color: var(--text-muted);
            font-size: 13px;
            white-space: nowrap;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 60px 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 620px;
            line-height: 1.8;
        }
        .section-header .section-arrow {
            font-size: 24px;
            color: var(--primary);
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(10, 92, 255, 0.15);
        }
        .news-card .card-img-wrap {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            position: relative;
            flex-shrink: 0;
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .news-card .card-img-wrap .badge-tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .news-card .card-body {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-date {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 13px;
            margin-bottom: 10px;
        }
        .news-card h3 {
            font-size: 18px;
            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 .card-desc {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.7;
            flex: 1;
        }
        .news-card .card-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .card-more i {
            transition: transform 0.3s ease;
            font-size: 13px;
        }
        .news-card .card-more:hover i {
            transform: translateX(4px);
        }

        /* ===== 深色热门区块 ===== */
        .dark-section {
            background: var(--dark-bg);
            padding: 80px 0;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .dark-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 18, 32, 0.9);
        }
        .dark-section .container {
            position: relative;
            z-index: 2;
        }
        .dark-section .section-tag {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .dark-section .section-header h2 {
            color: #fff;
        }
        .dark-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .rank-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        .rank-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .rank-number {
            font-size: 48px;
            font-weight: 800;
            background: linear-gradient(135deg, #ffffff, #7aa8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .rank-card h4 {
            color: #fff;
            font-size: 16px;
            margin: 12px 0 6px;
            font-weight: 700;
        }
        .rank-card p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            margin: 0;
            line-height: 1.6;
        }

        .hot-list {
            margin-top: 34px;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .hot-list-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(6px);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .hot-list-item .hot-index {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 15px;
        }
        .hot-list-item.hot-top .hot-index {
            background: linear-gradient(135deg, var(--accent), #ff9a5a);
        }
        .hot-list-item .hot-title {
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            flex: 1;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .hot-list-item:hover .hot-title {
            color: #7aa8ff;
        }
        .hot-list-item .hot-meta {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ===== 专题卡片 ===== */
        .topic-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 300px;
            display: flex;
            align-items: flex-end;
            transition: var(--transition);
            cursor: pointer;
        }
        .topic-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 18, 32, 0.9) 0%, rgba(11, 18, 32, 0.25) 60%, transparent 100%);
            z-index: 1;
        }
        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .topic-card:hover img {
            transform: scale(1.08);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .topic-card .topic-content {
            position: relative;
            z-index: 2;
            padding: 26px;
            color: #fff;
            width: 100%;
        }
        .topic-card .topic-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 12px;
            margin-bottom: 10px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .topic-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 13px;
            opacity: 0.8;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 数据指标条 ===== */
        .stat-bar {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 30px 0;
            margin-top: -50px;
            position: relative;
            z-index: 5;
        }
        .stat-bar-item {
            text-align: center;
            padding: 20px 16px;
        }
        .stat-bar-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-bar-item .stat-label {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 6px;
            letter-spacing: 1px;
        }
        .stat-bar-item .stat-icon {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 50%, #003a9c 100%);
            border-radius: 24px;
            margin: 60px 0 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            top: -100px;
            right: -80px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -80px;
            left: -60px;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            max-width: 500px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .cta-section .btn-light {
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            padding: 12px 34px;
            font-weight: 700;
            border: none;
            transition: var(--transition);
        }
        .cta-section .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }
        .cta-section .btn-light:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
        }
        .cta-section .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: 50px;
            padding: 10px 28px;
            font-weight: 600;
            transition: var(--transition);
            background: transparent;
        }
        .cta-section .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        /* ===== 分页 ===== */
        .page-pagination .page-link {
            border: none;
            color: var(--text-muted);
            border-radius: 10px;
            margin: 0 4px;
            padding: 8px 18px;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: none;
            background: #fff;
            border: 1px solid var(--border);
        }
        .page-pagination .page-link:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .page-pagination .page-item.active .page-link {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(10, 92, 255, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 80px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .social-links {
            display: flex;
            gap: 10px;
        }
        .site-footer .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-contact-list i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-collapse {
                padding: 16px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }
            .search-box {
                width: 160px;
            }
            .section {
                padding: 50px 0;
            }
            .page-banner {
                padding: 70px 0;
            }
            .page-banner .banner-title {
                font-size: 34px;
            }
            .filter-bar {
                margin-top: -28px;
                margin-bottom: 45px;
            }
            .stat-bar {
                margin-top: -40px;
            }
        }
        @media (max-width: 767px) {
            .page-banner .banner-title {
                font-size: 26px;
                letter-spacing: 1px;
            }
            .page-banner .banner-subtitle {
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .filter-bar {
                padding: 14px 16px;
            }
            .filter-tag {
                padding: 5px 14px;
                font-size: 13px;
            }
            .topic-card {
                height: 240px;
            }
            .hot-list-item .hot-meta {
                display: none;
            }
            .search-box {
                display: none;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .dark-section {
                background-attachment: scroll;
            }
            .stat-bar-item .stat-num {
                font-size: 32px;
            }
            .site-footer {
                margin-top: 50px;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 18px;
            }
            .page-banner {
                padding: 50px 0;
            }
            .cta-section {
                margin-top: 40px;
            }
            .news-card .card-body {
                padding: 18px;
            }
            .rank-number {
                font-size: 36px;
            }
            .btn-brand {
                padding: 8px 18px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0e5cf6;
  --primary-dark: #0845bc;
  --primary-light: #eaf1ff;
  --accent: #00d4aa;
  --accent-dark: #00a98a;
  --dark: #0b1220;
  --dark-800: #111c30;
  --dark-700: #1a2a45;
  --text: #1e2a3d;
  --text-light: #5a6b85;
  --text-lighter: #8a9ab5;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --border: #e5eaf2;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 6px 30px rgba(14, 92, 246, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 18, 32, 0.16);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
  margin: 0 auto;
}

/* ======================================
   导航 Header
====================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(11, 18, 32, 0.04);
}

.site-header .navbar {
  padding: 12px 0;
  min-height: 68px;
}

.site-header .navbar-brand {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}

.site-header .navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(14, 92, 246, 0.3);
}

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

.site-header .nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-light);
  padding: 10px 16px;
  border-radius: 10px;
  transition: var(--transition);
  position: relative;
}

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

.site-header .nav-link.active {
  color: var(--primary);
  font-weight: 700;
}

.site-header .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

.site-header .search-box {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 14px;
  gap: 8px;
  min-width: 200px;
  transition: var(--transition);
}

.site-header .search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 92, 246, 0.12);
  background: #fff;
}

.site-header .search-box i {
  color: var(--text-lighter);
  font-size: 0.8rem;
}

.site-header .search-box input {
  border: none;
  background: transparent;
  font-size: 0.85rem;
  width: 100%;
  color: var(--text);
}

.site-header .search-box input::placeholder {
  color: var(--text-lighter);
}

.btn-brand {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 50px;
  border: none;
  box-shadow: 0 4px 16px rgba(14, 92, 246, 0.28);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-brand:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 92, 246, 0.36);
  color: #fff;
}

.btn-brand:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(14, 92, 246, 0.24);
}

.btn-outline-brand {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 9px 22px;
  border-radius: 50px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-outline-brand:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 92, 246, 0.25);
}

.navbar-toggler {
  border: none;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg);
  color: var(--dark);
  font-size: 1.2rem;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(14, 92, 246, 0.18);
}

/* ======================================
   页面 Banner
====================================== */
.page-banner {
  position: relative;
  padding: 90px 0 80px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 18, 32, 0.88) 0%, rgba(14, 92, 246, 0.55) 100%);
}

.page-banner .banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.page-banner .banner-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 20px;
}

.page-banner h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.page-banner h1 span {
  color: var(--accent);
}

.page-banner p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
}

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

.banner-cta .btn-light-custom {
  background: #fff;
  color: var(--dark);
  font-weight: 700;
  padding: 12px 30px;
  border-radius: 50px;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
  transition: var(--transition);
}

.banner-cta .btn-light-custom:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.26);
}

.banner-cta .btn-ghost-light {
  background: transparent;
  color: #fff;
  font-weight: 700;
  padding: 11px 28px;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.banner-cta .btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* ======================================
   板块标题
====================================== */
.section-head {
  margin-bottom: 48px;
}

.section-head .section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -1px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.section-head h2 span {
  color: var(--primary);
}

.section-head p {
  color: var(--text-light);
  font-size: 1rem;
  max-width: 640px;
}

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

.section-head.light p {
  color: rgba(255, 255, 255, 0.75);
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-head.center p {
  margin: 0 auto;
}

/* ======================================
   业务领域卡片
====================================== */
.business-section {
  padding: 100px 0;
  background: var(--bg);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.business-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.business-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.business-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.business-card:hover::before {
  opacity: 1;
}

.business-card .card-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 22px;
  position: relative;
}

.card-icon.gradient-blue {
  background: linear-gradient(135deg, #0e5cf6, #3b82f6);
  box-shadow: 0 8px 20px rgba(14, 92, 246, 0.3);
}

.card-icon.gradient-green {
  background: linear-gradient(135deg, #00d4aa, #00b894);
  box-shadow: 0 8px 20px rgba(0, 212, 170, 0.3);
}

.card-icon.gradient-purple {
  background: linear-gradient(135deg, #8b5cf6, #6b3fd4);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.card-icon.gradient-orange {
  background: linear-gradient(135deg, #f59e0b, #ef7517);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

.business-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.business-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 18px;
  line-height: 1.7;
}

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

.business-card .card-tags .tag {
  background: var(--bg);
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid var(--border);
}

/* ======================================
   深色数据区块
====================================== */
.data-section {
  padding: 100px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.data-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 92, 246, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}

.data-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.data-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(14, 92, 246, 0.4);
  transform: translateY(-4px);
}

.data-card .data-num {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  font-family: "SF Pro Display", -apple-system, sans-serif;
  letter-spacing: -2px;
}

.data-card .data-num em {
  font-style: normal;
  color: var(--accent);
}

.data-card .data-label {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  margin-top: 10px;
  font-weight: 500;
}

/* ======================================
   核心优势区块
====================================== */
.advantage-section {
  padding: 100px 0;
  background: #fff;
}

.advantage-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.advantage-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.advantage-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.advantage-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.advantage-item {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px 22px;
  border-left: 4px solid var(--primary);
  transition: var(--transition);
}

.advantage-item:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.advantage-item .adv-icon {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.advantage-item h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.advantage-item p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ======================================
   解决方案流程
====================================== */
.process-section {
  padding: 100px 0;
  background: var(--bg);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
}

.process-steps::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: repeat-x 0 0 / 24px 2px;
  background-image: linear-gradient(90deg, var(--primary) 24px, var(--border) 0);
  background-size: 28px 2px;
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 10px;
}

.process-step .step-num {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: #fff;
  border: 3px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(14, 92, 246, 0.15);
  background: #fff;
  position: relative;
  z-index: 2;
}

.process-step:nth-child(2) .step-num {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.15);
}

.process-step:nth-child(3) .step-num {
  border-color: #8b5cf6;
  color: #8b5cf6;
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
}

.process-step:nth-child(4) .step-num {
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(14, 92, 246, 0.15);
}

.process-step h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ======================================
   案例展示
====================================== */
.cases-section {
  padding: 100px 0;
  background: #fff;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.case-card .case-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

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

.case-card .case-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 18, 32, 0.6) 100%);
}

.case-card .case-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}

.case-card .case-body {
  padding: 24px;
}

.case-card .case-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.4;
}

.case-card .case-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.65;
}

.case-card .case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.case-card .case-meta .meta-date {
  font-size: 0.78rem;
  color: var(--text-lighter);
}

.case-card .case-meta .meta-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
}

.case-card .case-meta .meta-link:hover {
  color: var(--primary-dark);
  gap: 4px;
}

.case-card .case-meta .meta-link i {
  margin-left: 4px;
  font-size: 0.75rem;
}

/* ======================================
   FAQ
====================================== */
.faq-section {
  padding: 100px 0;
  background: var(--bg);
}

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(14, 92, 246, 0.3);
  box-shadow: 0 4px 18px rgba(14, 92, 246, 0.06);
}

.faq-item .faq-q {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  gap: 16px;
}

.faq-item .faq-q i {
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item .faq-a-inner {
  padding: 0 28px 20px;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.75;
}

.faq-item.open .faq-q i {
  transform: rotate(180deg);
}

.faq-item.open .faq-a {
  max-height: 300px;
}

.faq-item .faq-q .faq-num {
  color: var(--primary);
  font-weight: 800;
  margin-right: 12px;
  font-size: 0.85rem;
}

/* ======================================
   CTA
====================================== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0e5cf6 0%, #3b82f6 50%, #00d4aa 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.16;
  mix-blend-mode: overlay;
}

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

.cta-content h2 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
}

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

.cta-content .btn-white {
  background: #fff;
  color: var(--primary);
  padding: 14px 34px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cta-content .btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
}

.cta-content .btn-outline-light-cta {
  background: transparent;
  color: #fff;
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 700;
  border: 2px solid rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.cta-content .btn-outline-light-cta:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  transform: translateY(-3px);
}

/* ======================================
   页脚
====================================== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 80px;
  position: relative;
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.site-footer .footer-brand .brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(14, 92, 246, 0.3);
}

.site-footer .footer-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.55);
}

.site-footer .social-links {
  display: flex;
  gap: 10px;
}

.site-footer .social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

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

.site-footer .footer-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

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

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

.site-footer .footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.86rem;
  transition: var(--transition);
}

.site-footer .footer-links a:hover {
  color: #fff;
  padding-left: 6px;
}

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

.site-footer .footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.site-footer .footer-contact-list i {
  color: var(--accent);
  margin-top: 5px;
  width: 16px;
  text-align: center;
}

.site-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  margin-top: 60px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.site-footer .footer-bottom .footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

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

/* ======================================
   响应式
====================================== */
@media (max-width: 1024px) {
  .business-grid,
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantage-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .process-steps::before {
    display: none;
  }

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

@media (max-width: 768px) {
  .site-header .search-box {
    display: none;
  }

  .page-banner {
    padding: 70px 0;
  }

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

  .page-banner p {
    font-size: 0.95rem;
  }

  .section-head h2 {
    font-size: 1.7rem;
  }

  .business-grid,
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .advantage-list {
    grid-template-columns: 1fr;
  }

  .data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .data-card .data-num {
    font-size: 2.4rem;
  }

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

  .process-step {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .process-step .step-num {
    margin: 0;
    width: 60px;
    height: 60px;
    font-size: 1.1rem;
    flex-shrink: 0;
  }

  .process-step div {
    flex: 1;
  }

  .cta-content h2 {
    font-size: 1.8rem;
  }

  .footer-bottom-inner {
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header .navbar {
    padding: 10px 0;
  }

  .site-header .navbar-brand {
    font-size: 1.2rem;
  }

  .site-header .navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .btn-brand {
    font-size: 0.82rem;
    padding: 8px 16px;
  }

  .page-banner {
    padding: 50px 0;
  }

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

  .banner-cta {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .banner-cta .btn-light-custom,
  .banner-cta .btn-ghost-light {
    width: 100%;
    max-width: 260px;
    justify-content: center;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .business-section,
  .data-section,
  .advantage-section,
  .process-section,
  .cases-section,
  .faq-section,
  .cta-section {
    padding: 60px 0;
  }

  .business-card {
    padding: 24px 20px;
  }

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

  .data-card {
    padding: 28px 14px;
  }

  .data-card .data-num {
    font-size: 2rem;
  }

  .case-card .case-img {
    height: 180px;
  }

  .cta-content .cta-btn-group {
    flex-direction: column;
    align-items: center;
  }

  .cta-content .btn-white,
  .cta-content .btn-outline-light-cta {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .faq-item .faq-q {
    padding: 18px 20px;
    font-size: 0.92rem;
  }

  .faq-item .faq-a-inner {
    padding: 0 20px 18px;
  }

  .site-footer {
    padding-top: 50px;
  }
}