/* 页面核心样式：桃红艳丽风 */
        :root {
            --primary: #ff2a74; /* 鲜艳桃红 */
            --primary-light: #fff0f5;
            --primary-gradient: linear-gradient(135deg, #ff2a74 0%, #ff523b 100%);
            --dark-pink: #d01353;
            --dark: #1b1b1e;
            --text-dark: #2c2c2f;
            --text-muted: #6e6e73;
            --bg-light: #fefcfd;
            --bg-gray: #f7f7f9;
            --white: #ffffff;
            --border: #f0e6eb;
            --shadow-sm: 0 4px 6px -1px rgba(255, 42, 116, 0.05);
            --shadow-md: 0 10px 15px -3px rgba(255, 42, 116, 0.08);
            --shadow-lg: 0 20px 25px -5px rgba(255, 42, 116, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        ul, ol {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 标题排版 */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: var(--primary-gradient);
            margin: 10px auto 0 auto;
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(255, 42, 116, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 42, 116, 0.6);
        }

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

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

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 45px;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }

        /* 首屏 Hero Section (严禁出现图片) */
        .hero {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 10% 20%, rgba(255, 42, 116, 0.05) 0%, rgba(255, 255, 255, 0) 90%), var(--bg-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 42, 116, 0.08) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            z-index: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 25px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--dark);
            letter-spacing: -1px;
            line-height: 1.25;
        }

        .hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px auto;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            position: relative;
            z-index: 10;
        }

        /* 顶部通告条 */
        .notice-bar {
            background: var(--dark);
            color: var(--white);
            padding: 8px 0;
            text-align: center;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .notice-bar a {
            color: var(--primary);
            text-decoration: underline;
            margin-left: 10px;
        }

        /* 数据指标卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            position: relative;
            z-index: 10;
        }

        .stat-item {
            text-align: center;
        }

        .stat-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

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

        /* 通用区块排版 */
        .section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border);
        }

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

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            color: var(--text-dark);
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

        .about-features {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--white);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border);
        }

        .about-feat-item i {
            color: var(--primary);
            font-size: 1.2rem;
        }

        /* 全平台AIGC服务 (卡片组) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .service-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 一站式AIGC制作 (图文排版) */
        .production-flow {
            display: flex;
            flex-direction: column;
            gap: 60px;
        }

        .flow-row {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .flow-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .flow-img-wrap {
            flex: 1;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .flow-content {
            flex: 1;
        }

        .flow-content h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .flow-content p {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

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

        .flow-tag {
            background: var(--bg-gray);
            border: 1px solid var(--border);
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 解决方案 & 技术标准 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sol-card {
            background: var(--white);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border);
            text-align: center;
            transition: var(--transition);
        }

        .sol-card:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .sol-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .sol-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 标准化AIGC流程 */
        .steps-container {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            position: relative;
        }

        .step-node {
            flex: 1;
            text-align: center;
            position: relative;
            background: var(--white);
            padding: 30px 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px auto;
        }

        .step-node h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

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

        /* Token比价参考表格 */
        .price-table-container {
            overflow-x: auto;
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .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-color: var(--bg-gray);
            font-weight: 600;
            color: var(--dark);
        }

        .price-table tr:last-child td {
            border-bottom: none;
        }

        .tag-hot {
            background: var(--primary);
            color: var(--white);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* 职业技术培训 / 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .training-certs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .cert-card {
            background: var(--white);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .cert-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .cert-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cert-card h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .cert-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 对比评测 (核心要求) */
        .comparison-card {
            background: var(--white);
            border-radius: 20px;
            border: 2px solid var(--primary);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            max-width: 900px;
            margin: 0 auto;
        }

        .comp-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 1px solid var(--border);
            padding-bottom: 30px;
            margin-bottom: 30px;
        }

        .comp-score-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-detail {
            display: flex;
            flex-direction: column;
        }

        .star-rating {
            color: #ffb800;
            font-size: 1.3rem;
            letter-spacing: 2px;
        }

        .score-lbl {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .comp-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comp-item {
            background: var(--bg-gray);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
        }

        .comp-item h5 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comp-item h5::before {
            content: '✓';
            color: var(--primary);
            font-weight: 700;
        }

        .comp-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

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

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

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 加盟代理模块 */
        .agent-banner {
            background: linear-gradient(135deg, #1b1b1e 0%, #3a1c28 100%);
            color: var(--white);
            border-radius: 20px;
            padding: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: var(--shadow-lg);
        }

        .agent-content h3 {
            font-size: 2rem;
            color: var(--white);
            margin-bottom: 15px;
        }

        .agent-content h3 span {
            color: var(--primary);
        }

        .agent-content p {
            color: #d1cbd0;
            font-size: 1.1rem;
            margin-bottom: 25px;
        }

        .agent-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .agent-feat {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .agent-feat h5 {
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 5px;
        }

        .agent-feat p {
            font-size: 0.8rem;
            color: #b0a8b0;
            margin-bottom: 0;
        }

        /* 用户评论卡片 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .test-stars {
            color: #ffb800;
            margin-bottom: 15px;
        }

        .test-text {
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .test-author {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 1px solid var(--border);
            padding-top: 15px;
        }

        .test-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }

        .test-meta h5 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .test-meta span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 需求匹配表单 & 联系我们 */
        .contact-section-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-wrap {
            background: var(--white);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }

        .form-wrap h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--primary);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group-full {
            grid-column: span 2;
        }

        .form-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: var(--bg-gray);
            font-family: inherit;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        .contact-info-wrap {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-card {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 25px;
        }

        .info-card h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
        }

        .info-item span {
            color: var(--text-muted);
        }

        .qrcode-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--primary-light);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .qrcode-box img {
            width: 90px;
            height: 90px;
            border-radius: 8px;
            border: 2px solid var(--white);
        }

        .qrcode-desc h5 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .qrcode-desc p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 & 自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 10px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-header-btn {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
        }

        .faq-icon {
            transition: var(--transition);
            color: var(--primary);
            font-weight: 700;
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--bg-gray);
        }

        .faq-content-inner {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-dark);
            border-top: 1px solid var(--border);
        }

        .faq-item.active .faq-content {
            max-height: 500px;
        }

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

        .troubleshoot-box {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .troubleshoot-box h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .troubleshoot-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .troubleshoot-item {
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border);
        }

        .troubleshoot-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .troubleshoot-item h5 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .troubleshoot-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* AI术语百科 & 行业知识库 (最新文章) */
        .info-section-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .glossary-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .glossary-item {
            background: var(--white);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
        }

        .glossary-item h5 {
            font-size: 1rem;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .glossary-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-link-card {
            background: var(--white);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .article-link-card:hover {
            border-color: var(--primary);
            transform: translateX(5px);
        }

        .article-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
        }

        .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 友情链接与页脚 */
        .footer {
            background: var(--dark);
            color: #d1cbd0;
            padding: 60px 0 30px 0;
            border-top: 5px solid var(--primary);
            font-size: 0.9rem;
        }

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

        .footer-col h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            display: block;
            width: 30px;
            height: 2px;
            background: var(--primary);
            margin-top: 8px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .friend-links-area {
            border-top: 1px solid #333;
            padding-top: 25px;
            margin-top: 25px;
        }

        .friend-links-title {
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 15px;
        }

        .friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-box a {
            color: #a097a0;
            font-size: 0.85rem;
        }

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

        .copyright-area {
            border-top: 1px solid #333;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
            color: #8c838c;
        }

        /* 悬浮客服面板 */
        .sticky-helper {
            position: fixed;
            right: 20px;
            bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .sticky-btn {
            width: 50px;
            height: 50px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .sticky-btn:hover {
            background: var(--primary);
            color: var(--white);
        }

        .sticky-btn svg {
            width: 24px;
            height: 24px;
        }

        .sticky-btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
        }

        .sticky-btn-primary:hover {
            transform: scale(1.1);
        }

        .qrcode-hover-panel {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--border);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            width: 150px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .sticky-btn:hover .qrcode-hover-panel {
            opacity: 1;
            visibility: visible;
        }

        .qrcode-hover-panel img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .qrcode-hover-panel span {
            font-size: 0.75rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .services-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid, .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--border);
            }
            .nav-menu.open {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .training-grid, .contact-section-grid, .faq-grid, .info-section-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .flow-row, .flow-row:nth-child(even) {
                flex-direction: column;
                gap: 25px;
            }
            .steps-container {
                flex-direction: column;
                gap: 15px;
            }
            .comp-grid {
                grid-template-columns: 1fr;
            }
            .agent-banner {
                flex-direction: column;
                padding: 30px;
                text-align: center;
            }
            .agent-features {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
        }

        @media (max-width: 480px) {
            .services-grid, .testimonials-grid, .solutions-grid, .case-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }