/* 艳色潮流风核心变量 */
        :root {
            --primary: #7000ff; /* 电光紫 */
            --secondary: #ff007f; /* 霓虹粉 */
            --accent: #00f0ff; /* 极光蓝 */
            --dark: #0f172a; /* 深色背景/文字 */
            --light: #f8fafc; /* 浅色基底 */
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --gradient-trend: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            --gradient-soft: linear-gradient(135deg, rgba(112,0,255,0.05) 0%, rgba(255,0,127,0.05) 100%);
        }

        /* 基础重置与规范 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--text-main);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 经典容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-menu a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
        }
        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(112, 0, 255, 0.05);
        }
        .nav-btn {
            background: var(--gradient-trend);
            color: #ffffff !important;
            padding: 10px 20px !important;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(112, 0, 255, 0.3);
        }
        .nav-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: none;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* 页面大版块通用样式 */
        section {
            padding: 100px 0;
            position: relative;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--secondary);
            background-color: rgba(255, 0, 127, 0.1);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero-section {
            padding: 180px 0 120px;
            background: radial-gradient(circle at 90% 10%, rgba(255,0,127,0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(112,0,255,0.08) 0%, transparent 40%),
                        var(--light);
            text-align: center;
            overflow: hidden;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .hero-badge span {
            color: var(--primary);
        }
        .hero-title {
            font-size: 54px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--dark);
            max-width: 900px;
            margin: 0 auto 24px;
            letter-spacing: -1px;
        }
        .hero-title span {
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 36px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50px;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--gradient-trend);
            color: #ffffff;
            box-shadow: 0 10px 30px rgba(112, 0, 255, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(112, 0, 255, 0.45);
        }
        .btn-secondary {
            background-color: #ffffff;
            color: var(--dark);
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        .btn-secondary:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }
        .stat-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px 24px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(112,0,255,0.08);
        }
        .stat-num {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .about-features li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background-color: rgba(0, 240, 255, 0.1);
            color: var(--primary);
            border-radius: 50%;
            font-size: 12px;
        }
        .platform-intro-box {
            background: var(--gradient-soft);
            border-left: 4px solid var(--primary);
            padding: 30px;
            border-radius: 0 16px 16px 0;
        }

        /* 服务体系 & 支持平台 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px 30px;
            border-radius: 20px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gradient-trend);
            opacity: 0;
            transition: 0.3s;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            border-color: transparent;
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            font-size: 40px;
            margin-bottom: 24px;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 标签云 - AI 平台集成 */
        .tag-cloud-wrap {
            margin-top: 60px;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 24px;
            text-align: center;
        }
        .tag-cloud-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--text-muted);
        }
        .tag-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .cloud-tag {
            background-color: var(--light);
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .cloud-tag:hover {
            background: var(--gradient-trend);
            color: #ffffff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 全自动AIGC制作流程 (步骤时间线) */
        .workflow-timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        .workflow-timeline::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background-color: var(--border-color);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 30px 40px;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }
        .timeline-dot {
            position: absolute;
            top: 38px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--gradient-trend);
            border: 4px solid #ffffff;
            box-shadow: 0 0 0 4px rgba(112,0,255,0.15);
            z-index: 1;
        }
        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }
        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }
        .timeline-content {
            background-color: #ffffff;
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }
        .timeline-content h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .solution-box {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .solution-header {
            margin-bottom: 24px;
        }
        .solution-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .solution-desc {
            color: var(--text-muted);
            font-size: 15px;
        }
        .solution-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 20px;
        }
        .sol-feat-item {
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sol-feat-item::before {
            content: "◆";
            color: var(--secondary);
            font-size: 12px;
        }

        /* 服务网络与标准化流程 */
        .network-section {
            background-color: #ffffff;
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .network-visual {
            background: var(--gradient-soft);
            border-radius: 24px;
            padding: 40px;
            border: 1px dashed var(--primary);
        }
        .network-item {
            background: #ffffff;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .network-item span {
            font-weight: 700;
        }
        .network-status {
            font-size: 12px;
            background-color: rgba(0, 240, 255, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 50px;
            font-weight: 700;
        }

        /* 技术标准 */
        .standards-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .standard-card {
            background-color: var(--light);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
        }
        .standard-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .standard-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 客户案例中心 - 多媒体整合区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
        }
        .case-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background-color: #f1f5f9;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--dark);
            color: #ffffff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: 50px;
        }
        .case-info {
            padding: 24px;
        }
        .case-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .case-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测 - 突出 9.9 高分 */
        .rating-banner {
            background: var(--gradient-trend);
            color: #ffffff;
            border-radius: 24px;
            padding: 60px;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(112, 0, 255, 0.25);
        }
        .rating-num {
            font-size: 96px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -2px;
        }
        .rating-stars {
            font-size: 32px;
            color: #ffd700;
            margin-bottom: 16px;
        }
        .rating-title {
            font-size: 24px;
            font-weight: 800;
        }
        .rating-sub {
            font-size: 14px;
            opacity: 0.8;
            margin-top: 8px;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: var(--light);
            font-weight: 800;
            font-size: 15px;
            color: var(--dark);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table td strong {
            color: var(--primary);
        }
        .col-highlight {
            background-color: rgba(112, 0, 255, 0.02);
            font-weight: 600;
        }

        /* Token 比价与培训板块 */
        .token-pricing-box {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            margin-bottom: 60px;
        }
        .token-table-wrap {
            overflow-x: auto;
        }
        .token-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .token-table th, .token-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }
        .token-table th {
            background-color: var(--light);
            font-weight: 700;
        }
        .token-tag-low {
            background-color: rgba(0, 240, 255, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 700;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .training-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 15px 30px rgba(255,0,127,0.06);
        }
        .training-card h5 {
            font-size: 16px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .training-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 帮助中心与 FAQ (手风琴) */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: 0.3s;
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 0px solid transparent;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(112,0,255,0.05);
        }
        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 200px;
            border-top: 1px solid var(--border-color);
        }
        .faq-icon::after {
            content: "+";
            font-size: 20px;
            font-weight: 400;
            transition: 0.3s;
        }
        .faq-item.active .faq-icon::after {
            content: "−";
            transform: rotate(180deg);
        }

        /* 自助排查与术语百科 */
        .troubleshoot-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 40px;
        }
        .troubleshoot-box, .encyclopedia-box {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
        }
        .ts-title, .en-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }
        .ts-list, .en-list {
            list-style: none;
        }
        .ts-list li, .en-list li {
            margin-bottom: 16px;
        }
        .ts-list h5, .en-list h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .ts-list p, .en-list p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .article-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
        }
        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }
        .article-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .article-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.01);
        }
        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary);
        }
        .author-info h5 {
            font-size: 15px;
            font-weight: 800;
            color: var(--dark);
        }
        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 智能需求匹配与联系我们 */
        .contact-section {
            background-color: var(--dark);
            color: #ffffff;
            position: relative;
        }
        .contact-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 10% 20%, rgba(112,0,255,0.15) 0%, transparent 50%),
                        radial-gradient(circle at 90% 80%, rgba(255,0,127,0.15) 0%, transparent 50%);
            pointer-events: none;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            position: relative;
            z-index: 1;
        }
        .contact-info-panel h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 24px;
        }
        .contact-info-panel p {
            color: #94a3b8;
            margin-bottom: 30px;
        }
        .contact-details {
            margin-bottom: 40px;
        }
        .contact-detail-item {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .contact-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .kefu-qrcode-wrap {
            display: flex;
            gap: 20px;
            align-items: center;
            background-color: rgba(255,255,255,0.02);
            border: 1px solid rgba(255,255,255,0.08);
            padding: 20px;
            border-radius: 16px;
            max-width: 320px;
        }
        .kefu-qrcode-wrap img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            background-color: #ffffff;
        }
        .kefu-text h6 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .kefu-text p {
            font-size: 12px;
            color: #94a3b8;
            margin-bottom: 0;
        }

        /* 转化表单 */
        .form-panel {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            padding: 40px;
            border-radius: 24px;
        }
        .form-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 24px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group.full-width {
            grid-column: span 2;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: #94a3b8;
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #ffffff;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 14px;
            transition: 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(112,0,255,0.2);
        }
        select.form-control option {
            background-color: var(--dark);
            color: #ffffff;
        }
        .btn-submit {
            width: 100%;
            background: var(--gradient-trend);
            color: #ffffff;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(112, 0, 255, 0.3);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #090d16;
            color: #64748b;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-about h4 {
            color: #ffffff;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .footer-links h5 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px 0;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .friend-links-area span {
            font-weight: 700;
            color: #94a3b8;
        }
        .friend-links-area a {
            color: #64748b;
            transition: 0.3s;
        }
        .friend-links-area a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .ai-page-home-link {
            color: var(--primary) !important;
            font-weight: 700;
        }

        /* 浮动组件 */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #ffffff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: 0.3s;
            position: relative;
        }
        .float-btn:hover {
            transform: translateY(-3px);
            background-color: var(--primary);
            color: #ffffff;
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }
        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            width: 160px;
            text-align: center;
        }
        .qr-popover img {
            width: 100%;
            border-radius: 6px;
        }
        .qr-popover p {
            color: var(--dark);
            font-size: 12px;
            margin-top: 8px;
            font-weight: 700;
        }
        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .cases-grid, .articles-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-grid, .solutions-grid, .network-grid, .contact-grid, .troubleshoot-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-title {
                font-size: 36px;
            }
            .stats-grid, .services-grid, .cases-grid, .articles-grid, .reviews-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-dot {
                left: 12px !important;
                right: auto !important;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }