:root {
            --primary: #6366f1;
            --primary-bright: #ff007f;
            --secondary: #00f5d4;
            --accent: #f15bb5;
            --dark: #0f172a;
            --light: #f8fafc;
            --white: #ffffff;
            --gray-text: #475569;
            --border: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        /* 渐变斑斓底纹（非图片） */
        .glow-bg {
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(241, 91, 181, 0.1) 50%, rgba(255, 255, 255, 0) 70%);
            top: -200px;
            right: -200px;
            z-index: 0;
            pointer-events: none;
            border-radius: 50%;
        }

        .glow-bg-left {
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 245, 212, 0.12) 0%, rgba(99, 102, 241, 0.08) 50%, rgba(255, 255, 255, 0) 70%);
            bottom: -150px;
            left: -150px;
            z-index: 0;
            pointer-events: none;
            border-radius: 50%;
        }

        /* 统一标题 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            z-index: 1;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-bright), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--gray-text);
            max-width: 700px;
            margin: 0 auto;
        }

        /* 头部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 70px;
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.3rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-text);
        }

        .nav-menu a:hover {
            color: var(--primary-bright);
        }

        .btn-register {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white) !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* 首屏 Hero (无图) */
        .hero-section {
            padding-top: 160px;
            padding-bottom: 120px;
            background: linear-gradient(135deg, #f5f3ff 0%, #fae8ff 50%, #e0e7ff 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-block;
            margin-bottom: 24px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        }

        .hero-section h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 24px;
            color: var(--dark);
        }

        .hero-section h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-bright), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-text);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .btn-main {
            background: linear-gradient(135deg, #ff007f, #f15bb5);
            color: var(--white);
            padding: 15px 36px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.35);
            transition: var(--transition);
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 0, 127, 0.45);
        }

        .btn-sub {
            background: var(--white);
            color: var(--dark);
            border: 1px solid var(--border);
            padding: 15px 36px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .btn-sub:hover {
            background: var(--light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 顶部特点滚动面板（纯CSS） */
        .hero-features {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark);
            background: rgba(255, 255, 255, 0.6);
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .hero-feat-item svg {
            color: var(--primary-bright);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .stat-card {
            background: var(--white);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary-bright);
            margin-bottom: 8px;
            line-height: 1;
        }

        .stat-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .stat-desc {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* 关于我们 & 技术标准 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text {
            color: var(--gray-text);
            margin-bottom: 30px;
            font-size: 1.05rem;
        }

        .standards-list {
            list-style: none;
        }

        .standards-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }

        .standards-list li svg {
            flex-shrink: 0;
            margin-top: 4px;
            color: var(--secondary);
        }

        .standards-list h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .standards-list p {
            font-size: 0.9rem;
            color: var(--gray-text);
        }

        /* 平台介绍大面板 */
        .intro-box {
            background: linear-gradient(135deg, var(--white) 0%, #fef3c7 100%);
            border: 2px solid #fde68a;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(251, 191, 36, 0.1);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }

        .intro-col h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .intro-col p {
            font-size: 0.95rem;
            color: var(--gray-text);
        }

        /* 全平台AIGC服务 (带模型徽标面板) */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
        }

        .model-badge {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .model-badge:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
            border-color: var(--accent);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(241, 91, 181, 0.1));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--gray-text);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .service-features {
            list-style: none;
            font-size: 0.85rem;
            color: var(--dark);
        }

        .service-features li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 一站式AIGC制作与流 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            position: relative;
        }

        .flow-step::after {
            content: "→";
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--primary);
            z-index: 2;
        }

        .flow-step:last-child::after {
            display: none;
        }

        .flow-num {
            width: 36px;
            height: 36px;
            background: var(--primary-bright);
            color: var(--white);
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px auto;
        }

        .flow-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* 解决方案与网络 */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .network-card {
            background: linear-gradient(135deg, var(--dark) 0%, #1e1b4b 100%);
            color: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .network-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #00f5d4, #6366f1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .network-city {
            border-left: 2px solid var(--secondary);
            padding-left: 12px;
        }

        .network-city h5 {
            font-size: 1rem;
            font-weight: 700;
        }

        .network-city p {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* 价格与 Token 比价 */
        .price-table-wrapper {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow-x: auto;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.01);
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .price-table th, .price-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
        }

        .price-table th {
            background: #f1f5f9;
            font-weight: 700;
            color: var(--dark);
        }

        .price-table tr:hover td {
            background: rgba(99, 102, 241, 0.03);
        }

        .badge-lowest {
            background: #dcfce7;
            color: #15803d;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.08);
            transform: translateY(-4px);
        }

        .training-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: inline-block;
        }

        .training-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .training-card p {
            font-size: 0.8rem;
            color: var(--gray-text);
        }

        /* 对比评测 (核心要求：五星, 评分9.9分) */
        .eval-section {
            background: linear-gradient(135deg, #e0f2fe 0%, #f0fdf4 100%);
        }

        .eval-container {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }

        .eval-score-card {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--border);
        }

        .stars {
            color: #eab308;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .score-total {
            font-size: 1.2rem;
            color: var(--gray-text);
            margin-bottom: 20px;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .compare-table th, .compare-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
        }

        .compare-check {
            color: #22c55e;
            font-weight: bold;
        }

        .compare-cross {
            color: #ef4444;
            font-weight: bold;
        }

        /* 案例与评论 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 60px;
        }

        .case-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.05);
        }

        .case-img-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            background: #f1f5f9;
        }

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

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            background: #f5f3ff;
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--gray-text);
        }

        /* 6条用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.01);
            position: relative;
        }

        .review-avatar-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .review-avatar-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .review-meta h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .review-meta span {
            font-size: 0.8rem;
            color: var(--gray-text);
        }

        .review-text {
            font-size: 0.9rem;
            color: var(--gray-text);
            line-height: 1.5;
        }

        /* 帮助中心 & FAQ & 自助排查 */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background: var(--white);
            transition: var(--transition);
        }

        .faq-question:hover {
            background: #f8fafc;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--gray-text);
            font-size: 0.9rem;
            border-top: 0 solid var(--border);
        }

        .faq-item.active .faq-answer {
            padding: 16px 24px;
            max-height: 200px;
            border-top-width: 1px;
        }

        .faq-icon-arrow {
            transition: transform 0.3s;
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        /* 自助排查与术语百科 */
        .wiki-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            height: 100%;
        }

        .wiki-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary-bright);
            padding-bottom: 8px;
            display: inline-block;
        }

        .wiki-list {
            list-style: none;
        }

        .wiki-list li {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .wiki-list strong {
            color: var(--primary);
        }

        /* 资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .news-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            color: var(--primary-bright);
        }

        /* 需求匹配表单与加盟代理 */
        .form-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        .contact-form-container {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
        }

        .contact-form-container h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        /* 右侧加盟代理信息 */
        .agent-info-card {
            background: linear-gradient(135deg, #fdf2f8 0%, #f5f3ff 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
        }

        .agent-info-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .agent-highlights {
            list-style: none;
            margin-bottom: 30px;
        }

        .agent-highlights li {
            margin-bottom: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
        }

        .agent-highlights svg {
            flex-shrink: 0;
            margin-top: 3px;
            color: var(--primary-bright);
        }

        .kefu-qrcode-area {
            text-align: center;
            background: var(--white);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 12px;
        }

        .kefu-qrcode-area img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        /* 友情链接区 */
        .friend-links-section {
            background: var(--white);
            padding: 30px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .friend-links-title {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
        }

        .friend-links-list a {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        .friend-links-list a:hover {
            color: var(--primary-bright);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: var(--white);
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand p {
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .footer-links h5 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
        }

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

        .footer-links a:hover {
            color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copy {
            font-size: 0.8rem;
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: scale(1.1);
        }

        .kefu-modal {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 260px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            display: none;
            padding: 20px;
            text-align: center;
        }

        .kefu-modal.active {
            display: block;
        }

        .kefu-modal h4 {
            font-size: 1rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .kefu-modal img {
            width: 140px;
            height: 140px;
            margin-bottom: 8px;
        }

        .kefu-close {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 1rem;
            cursor: pointer;
            color: var(--gray-text);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .about-layout, .solution-layout, .eval-container, .case-grid, .form-layout, .faq-layout {
                grid-template-columns: 1fr;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-cta {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .btn-main, .btn-sub {
                width: 100%;
                max-width: 300px;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .flow-step::after {
                content: "↓";
                right: auto;
                bottom: -20px;
                left: 50%;
                transform: translateX(-50%);
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }