/* 变量定义与主题配色：撞色艳色风，浅色基底 */
        :root {
            --primary: #5900ff; /* 艳紫色 */
            --secondary: #ff0055; /* 霓虹粉红 */
            --accent: #00f2fe; /* 亮青色 */
            --yellow: #f8e71c; /* 柠檬黄 */
            --dark: #0f172a; /* 深灰黑，用于标题和文字 */
            --light-bg: #f8fafc; /* 主背景：浅灰色 */
            --card-bg: #ffffff; /* 卡片背景：白色 */
            --border-color: #e2e8f0;
            --text-muted: #64748b;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

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

        /* 通用容器布局 */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            border-radius: 4px;
            margin-bottom: 16px;
            box-shadow: 0 4px 10px rgba(255, 0, 85, 0.2);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            position: relative;
        }

        .section-subtitle {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 1.1rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-weight: 700;
            border-radius: 8px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(89, 0, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(89, 0, 255, 0.45);
        }

        .btn-accent {
            background-color: var(--yellow);
            color: var(--dark);
            border-color: var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
        }

        .btn-accent:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
        }

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

        .btn-outline:hover {
            background-color: var(--dark);
            color: #ffffff;
        }

        /* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 2px solid var(--dark);
            padding: 15px 0;
        }

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

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

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

        .brand-name {
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--dark);
            letter-spacing: -0.5px;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-link {
            font-weight: 600;
            color: var(--dark);
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 4px;
        }

        .nav-link:hover {
            background-color: var(--primary);
            color: #ffffff;
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 首屏 Hero 区域（坚决无任何图片） */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(216, 241, 230, 0.46) 0.1%, rgba(233, 226, 226, 0.28) 90.1%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid var(--dark);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(89, 0, 255, 0.1), rgba(255, 0, 85, 0.1));
            filter: blur(80px);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
            padding: 8px 16px;
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 30px;
            box-shadow: 3px 3px 0px var(--dark);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            padding: 24px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 6px 6px 0px var(--dark);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0px var(--dark);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .stat-label {
            font-weight: 700;
            font-size: 1rem;
            color: var(--dark);
        }

        .stat-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content {
            padding-right: 20px;
        }

        .about-title-tag {
            color: var(--secondary);
            font-weight: 800;
            margin-bottom: 10px;
            display: block;
        }

        .about-text {
            color: var(--dark);
            margin-bottom: 24px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .features-list-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .feature-icon-box {
            width: 24px;
            height: 24px;
            background-color: var(--accent);
            border: 1px solid var(--dark);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .feature-info h4 {
            font-weight: 800;
            font-size: 1rem;
            color: var(--dark);
        }

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

        /* 全平台AIGC服务与模型聚合 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 30px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(89, 0, 255, 0.1);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background-color: var(--primary);
        }

        .service-card:nth-child(2n)::before {
            background-color: var(--secondary);
        }

        .service-card:nth-child(3n)::before {
            background-color: var(--accent);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            font-size: 0.75rem;
            padding: 3px 8px;
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-weight: 600;
        }

        /* AIGC模型标签云 */
        .tagcloud-wrapper {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 40px;
            margin-top: 40px;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .tagcloud-title {
            text-align: center;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--dark);
        }

        .tagcloud-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .cloud-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            border: 2px solid var(--dark);
            background-color: #ffffff;
            transition: var(--transition);
        }

        .cloud-tag:hover {
            transform: scale(1.05);
            background-color: var(--dark);
            color: #ffffff;
        }

        /* 一站式AIGC制作 & 全行业解决方案 & 技术标准 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 30px;
            display: flex;
            gap: 20px;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .solution-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(89, 0, 255, 0.15);
            line-height: 1;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

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

        /* 全国服务网络 & 步骤流程 & 时间线 */
        .timeline-container {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding-left: 30px;
            border-left: 4px dashed var(--dark);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--secondary);
            border: 3px solid var(--dark);
        }

        .timeline-step {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--secondary);
            text-transform: uppercase;
        }

        .timeline-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin: 4px 0 8px;
        }

        .timeline-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-image-wrapper {
            position: relative;
            border-bottom: 2px solid var(--dark);
            background-color: #e2e8f0;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--yellow);
            color: var(--dark);
            border: 1px solid var(--dark);
            font-weight: 800;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .case-body {
            padding: 24px;
        }

        .case-body h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .case-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* 对比评测板块 */
        .rating-hero {
            background: linear-gradient(135deg, var(--primary), var(--dark));
            color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .rating-left {
            max-width: 60%;
        }

        .rating-left h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 12px;
        }

        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: var(--yellow);
            margin-bottom: 8px;
        }

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

        .rating-score span {
            font-size: 1.5rem;
            color: #ffffff;
            font-weight: 500;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 2px solid var(--dark);
            border-radius: 8px;
            background-color: #ffffff;
        }

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

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: #f1f5f9;
            font-weight: 800;
            color: var(--dark);
        }

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

        .compare-table td strong {
            color: var(--primary);
        }

        .badge-advantage {
            background-color: #d1fae5;
            color: #065f46;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* Token比价参考表 */
        .token-price-wrapper {
            margin-top: 40px;
        }

        /* 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .training-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 24px;
            box-shadow: 4px 4px 0 var(--dark);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--dark);
        }

        .training-badge {
            display: inline-block;
            background-color: #fee2e2;
            color: #991b1b;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .training-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .training-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 12px;
        }

        .training-features {
            font-size: 0.9rem;
            color: var(--dark);
        }

        .training-features li {
            margin-bottom: 6px;
            padding-left: 18px;
            position: relative;
        }

        .training-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #059669;
            font-weight: 900;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 24px;
            position: relative;
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .comment-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: var(--dark);
        }

        .comment-user-info h4 {
            font-weight: 800;
            font-size: 1rem;
        }

        .comment-user-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .comment-body {
            font-size: 0.95rem;
            color: var(--dark);
            line-height: 1.6;
        }

        /* FAQ折叠面板 & 自助排查 */
        .faq-layout {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 2px solid var(--dark);
            background-color: #ffffff;
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 3px 3px 0 var(--dark);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 800;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background-color: #ffffff;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: bold;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0 24px;
            background-color: var(--light-bg);
            border-top: 0 solid var(--dark);
        }

        .faq-item.active .faq-answer {
            max-height: 200px; /* 适当设置以容纳内容 */
            padding: 20px 24px;
            border-top: 2px solid var(--dark);
        }

        /* AI术语百科 & 自助排查卡片 */
        .helper-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
        }

        .helper-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .helper-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--dark);
            padding-bottom: 10px;
        }

        .helper-list li {
            margin-bottom: 12px;
        }

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

        /* 行业资讯 / 知识库 (最新文章) */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 24px;
            box-shadow: 4px 4px 0 var(--dark);
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: 6px 6px 0 var(--dark);
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .article-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 联系我们 & 加盟代理 & 需求匹配表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-panel {
            background-color: var(--dark);
            color: #ffffff;
            border-radius: 8px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .contact-item-row {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-item-row svg {
            flex-shrink: 0;
            margin-top: 4px;
        }

        .contact-item-row p {
            font-size: 1rem;
        }

        .contact-qr-wrapper {
            margin-top: 30px;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 8px;
            border: 1px dashed rgba(255,255,255,0.2);
            text-align: center;
        }

        .contact-qr-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 15px;
        }

        .contact-qr-box {
            text-align: center;
            max-width: 120px;
        }

        .contact-qr-box img {
            width: 100%;
            border-radius: 4px;
            border: 2px solid #ffffff;
        }

        .contact-qr-box span {
            font-size: 0.75rem;
            display: block;
            margin-top: 6px;
            color: #cbd5e1;
        }

        .form-panel {
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 40px;
            box-shadow: 8px 8px 0 var(--dark);
        }

        .form-panel h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

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

        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--dark);
            border-radius: 6px;
            font-family: inherit;
            font-size: 0.95rem;
            background-color: #ffffff;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(89,0,255,0.1);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* 友情链接与页脚 */
        .footer {
            background-color: var(--dark);
            color: #ffffff;
            padding: 60px 0 30px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h2 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 12px;
            background: linear-gradient(to right, var(--accent), var(--yellow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-brand p {
            color: #94a3b8;
            font-size: 0.95rem;
            margin-bottom: 20px;
            max-width: 350px;
        }

        .footer-links h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-links h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--secondary);
        }

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

        .footer-links ul a {
            color: #cbd5e1;
            font-size: 0.9rem;
        }

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

        .friend-links-box {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #94a3b8;
            margin-bottom: 12px;
        }

        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links-container a {
            font-size: 0.85rem;
            color: #cbd5e1;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
        }

        .friend-links-container a:hover {
            background-color: var(--primary);
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* 侧边悬浮浮窗 */
        .floating-nav {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .floating-item {
            width: 50px;
            height: 50px;
            background-color: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 3px 3px 0 var(--dark);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .floating-item:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0 var(--dark);
            background-color: var(--yellow);
        }

        .floating-item svg {
            width: 22px;
            height: 22px;
            fill: var(--dark);
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #ffffff;
            border: 2px solid var(--dark);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popup img {
            width: 100%;
            margin-bottom: 8px;
        }

        .qr-popup span {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--dark);
            display: block;
        }

        .floating-item:hover .qr-popup {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .services-grid, .case-grid, .training-grid, .comments-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 2px solid var(--dark);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .services-grid, .case-grid, .training-grid, .comments-grid, .articles-grid, .solutions-grid, .helper-grid {
                grid-template-columns: 1fr;
            }
            .rating-hero {
                flex-direction: column;
                gap: 20px;
                text-align: center;
                align-items: center;
            }
            .rating-left {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }