/* 基础变量定义 - 高饱和艳彩风 */
        :root {
            --primary: #4F46E5;      /* 艳丽靛蓝 */
            --secondary: #EC4899;    /* 高饱和品红 */
            --accent: #F59E0B;       /* 亮丽橙黄 */
            --dark: #0F172A;         /* 深蓝黑底色文字 */
            --light-bg: #F8FAFC;     /* 浅灰白底色 */
            --card-bg: #FFFFFF;      /* 卡片白 */
            --border-color: #E2E8F0;
            --success: #10B981;
            --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #3B82F6 50%, #EC4899 100%);
            --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        body {
            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;
            overflow-x: hidden;
        }

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

        /* 通用容器与格栅布局 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* 艳彩风渐变文字 */
        .gradient-text {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: #ffffff;
            box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(79, 70, 229, 0.4);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--gradient-accent);
            color: #ffffff;
            box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(245, 158, 11, 0.4);
        }

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

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

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

        .logo-box img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--dark);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.05);
        }

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

        /* 导航移动端开关 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 25px;
            height: 30px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 首屏 Hero - 无图片，纯科技风渐变与几何构图 */
        .hero {
            padding-top: 140px;
            padding-bottom: 90px;
            background: radial-gradient(circle at 10% 20%, rgba(236, 72, 153, 0.08) 0%, rgba(79, 70, 229, 0.05) 90%), #ffffff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 50%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
            transform: translateX(-50%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(236, 72, 153, 0.1);
            color: var(--secondary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(236, 72, 153, 0.2);
        }

        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero p.lead {
            font-size: 18px;
            color: #64748B;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 - 融入首屏下方 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .stat-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px 20px;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1;
        }

        .stat-label {
            font-size: 14px;
            color: #64748B;
            font-weight: 500;
        }

        /* Section 标题样式 */
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-header p {
            color: #64748B;
            font-size: 16px;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .about-text p {
            color: #475569;
            margin-bottom: 16px;
            font-size: 15px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 25px;
        }

        .about-feature-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .about-feature-item::before {
            content: "✓";
            color: var(--success);
            font-weight: 800;
        }

        .about-card {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
            border: 2px dashed var(--primary);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
        }

        .about-card-badge {
            display: inline-block;
            background: var(--gradient-primary);
            color: white;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .about-card-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        /* 全平台AIGC服务 */
        .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);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
            border-color: var(--secondary);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: #64748B;
            margin-bottom: 15px;
        }

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

        .service-tag {
            background-color: var(--light-bg);
            color: var(--dark);
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid var(--border-color);
        }

        /* 一站式AIGC制作 - 核心场景展示 */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 20px;
            transition: var(--transition);
            text-align: center;
        }

        .scene-card:hover {
            border-color: var(--primary);
            background: linear-gradient(180deg, var(--card-bg) 0%, rgba(79, 70, 229, 0.02) 100%);
        }

        .scene-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .scene-card p {
            font-size: 13px;
            color: #64748B;
        }

        /* 聚合平台列表 - 滚动标签云样式 */
        .platforms-marquee {
            margin-top: 40px;
            overflow: hidden;
            padding: 10px 0;
            position: relative;
            background-color: rgba(79, 70, 229, 0.03);
            border-radius: 12px;
        }

        .platforms-track {
            display: flex;
            width: max-content;
            animation: marquee 30s linear infinite;
            gap: 20px;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .platform-chip {
            padding: 8px 16px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--card-bg);
            border: 2px solid transparent;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--primary);
            box-shadow: 0 20px 25px -5px rgba(79, 70, 229, 0.1);
        }

        .solution-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-card h3 span {
            color: var(--secondary);
        }

        .solution-card ul {
            list-style: none;
            padding-left: 0;
            margin-top: 15px;
        }

        .solution-card li {
            font-size: 14px;
            color: #64748B;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .solution-card li::before {
            content: "•";
            color: var(--secondary);
            font-weight: bold;
        }

        /* 流程与网络结构 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
            position: relative;
        }

        .process-step {
            text-align: center;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px 10px;
            border-radius: 12px;
            position: relative;
            transition: var(--transition);
        }

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

        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gradient-primary);
            color: white;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .step-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-desc {
            font-size: 12px;
            color: #64748B;
        }

        /* 联盟代理 & 全国服务网络 */
        .agent-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            align-items: center;
        }

        .agent-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .agent-benefits {
            margin: 20px 0;
        }

        .benefit-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 15px;
        }

        .benefit-icon {
            color: var(--accent);
            font-weight: bold;
        }

        .network-status {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(236, 72, 153, 0.02) 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
        }

        .network-status h4 {
            font-size: 16px;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .network-item {
            font-size: 14px;
            color: #475569;
        }

        /* 对比评测 & Token比价 */
        .compare-section {
            background-color: #ffffff;
        }

        .badge-rating {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 20px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--card-bg);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
            min-width: 600px;
        }

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

        th {
            background-color: var(--light-bg);
            font-weight: 700;
            color: var(--dark);
        }

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

        .highlight-cell {
            background-color: rgba(79, 70, 229, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token比价 */
        .token-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .token-card {
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
        }

        .token-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .token-name {
            font-size: 16px;
            font-weight: 700;
        }

        .token-price {
            font-size: 18px;
            color: var(--secondary);
            font-weight: 800;
        }

        .token-detail {
            font-size: 12px;
            color: #64748B;
            line-height: 1.5;
        }

        /* 培训课程（工信部系列） */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 20px 15px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
        }

        .training-icon {
            font-size: 24px;
            margin-bottom: 12px;
        }

        .training-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .training-badge {
            display: inline-block;
            font-size: 11px;
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.05);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* 案例中心 - 素材图 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #e2e8f0;
        }

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

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

        .case-body {
            padding: 20px;
        }

        .case-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-body p {
            font-size: 13px;
            color: #64748B;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            position: relative;
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 18px;
        }

        .review-meta h5 {
            font-size: 14px;
            font-weight: 700;
        }

        .review-meta span {
            font-size: 12px;
            color: #64748B;
        }

        .review-content {
            font-size: 14px;
            color: #475569;
            line-height: 1.6;
        }

        .star-rating {
            color: var(--accent);
            font-size: 12px;
            margin-top: 4px;
        }

        /* 需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

        .form-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 25px;
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            color: var(--dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        textarea.form-control {
            height: 120px;
            resize: vertical;
        }

        .info-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px;
            height: fit-content;
        }

        .info-item {
            margin-bottom: 20px;
        }

        .info-label {
            font-size: 13px;
            color: #64748B;
            margin-bottom: 4px;
        }

        .info-value {
            font-size: 15px;
            font-weight: 600;
        }

        .qrcode-box {
            margin-top: 25px;
            text-align: center;
        }

        .qrcode-box img {
            width: 130px;
            height: 130px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
        }

        .qrcode-label {
            font-size: 12px;
            color: #64748B;
            margin-top: 8px;
        }

        /* 知识库/术语百科 */
        .knowledge-section {
            background-color: var(--card-bg);
        }

        .knowledge-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .knowledge-column h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }

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

        .article-item {
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 10px;
        }

        .article-item a {
            font-size: 14px;
            color: var(--dark);
            font-weight: 500;
        }

        .article-item a:hover {
            color: var(--primary);
        }

        .article-date {
            font-size: 12px;
            color: #94A3B8;
        }

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

        .wiki-item h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .wiki-item p {
            font-size: 13px;
            color: #64748B;
        }

        /* 自助排查 */
        .troubleshoot-box {
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            margin-top: 30px;
        }

        .troubleshoot-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .troubleshoot-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
        }

        .troubleshoot-step {
            font-size: 13px;
            background-color: var(--card-bg);
            padding: 10px 12px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-header::after {
            content: "+";
            font-size: 20px;
            font-weight: 400;
            transition: var(--transition);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(248, 250, 252, 0.5);
        }

        .faq-content {
            padding: 20px 24px;
            font-size: 14px;
            color: #475569;
            border-top: 1px solid var(--border-color);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col p {
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .footer-links a {
            color: #94A3B8;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .friend-links {
            border-top: 1px solid #334155;
            padding-top: 20px;
            margin-top: 20px;
        }

        .friend-links a {
            margin-right: 15px;
            color: #64748B;
            font-size: 13px;
        }

        .friend-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 15px;
        }

        .footer-bottom-links a {
            color: #64748B;
        }

        .footer-bottom-links a:hover {
            color: #ffffff;
        }

        /* 侧边浮动 */
        .float-toolbar {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 48px;
            height: 48px;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-item:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .float-item svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .float-hover-card {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 160px;
            color: var(--dark);
        }

        .float-hover-card img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-item:hover .float-hover-card {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .solutions-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 32px;
            }

            .about-grid, .agent-container, .contact-grid, .knowledge-grid {
                grid-template-columns: 1fr;
            }

            .services-grid, .solutions-grid, .cases-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }

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

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

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

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