/* 缤纷糖果亮色风设计规范 */
        :root {
            --candy-pink: #FF6B8B;
            --candy-blue: #4D77FF;
            --candy-orange: #FF9F43;
            --candy-green: #2ED573;
            --candy-purple: #9B5DE5;
            --bg-main: #F9FBFC;
            --bg-card: #FFFFFF;
            --text-title: #1E293B;
            --text-body: #475569;
            --text-light: #94A3B8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(241, 245, 249, 0.8);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
        }

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

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

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

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-title);
            padding: 8px 12px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            background-color: rgba(77, 119, 255, 0.08);
            color: var(--candy-blue);
        }

        .btn-visit {
            background: linear-gradient(135deg, var(--candy-blue), var(--candy-teal, #00D2C4));
            color: #ffffff !important;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(77, 119, 255, 0.25);
            transition: var(--transition);
        }

        .btn-visit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(77, 119, 255, 0.35);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-title);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 基础 Section */
        section {
            padding: 90px 0;
            position: relative;
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--text-title);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 5px;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--candy-pink), var(--candy-orange));
        }

        .section-title p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(255, 107, 139, 0.08) 0%, rgba(77, 119, 255, 0.05) 90%);
            padding: 120px 0 100px;
            text-align: center;
            overflow: hidden;
        }

        .hero-bubble-wrapper {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 1;
        }

        .hero-bubble {
            position: absolute;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 107, 139, 0.15), rgba(255, 159, 67, 0.15));
            filter: blur(10px);
            animation: floatBubble 12s infinite alternate ease-in-out;
        }

        .hero-bubble:nth-child(1) { width: 120px; height: 120px; top: 15%; left: 10%; animation-delay: 0s; }
        .hero-bubble:nth-child(2) { width: 180px; height: 180px; bottom: 10%; right: 8%; animation-delay: 2s; background: linear-gradient(135deg, rgba(77, 119, 255, 0.15), rgba(155, 93, 229, 0.15)); }

        @keyframes floatBubble {
            0% { transform: translateY(0) scale(1); }
            100% { transform: translateY(-30px) scale(1.1); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(255, 107, 139, 0.1);
            color: var(--candy-pink);
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 107, 139, 0.2);
        }

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

        .hero-title span {
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple), var(--candy-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-body);
            margin-bottom: 40px;
            line-height: 1.8;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange));
            color: #ffffff;
            padding: 16px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 107, 139, 0.45);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--candy-blue);
            border: 2px solid var(--candy-blue);
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(77, 119, 255, 0.05);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 50px 0;
            background: #fff;
            box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.01);
            position: relative;
            z-index: 3;
            margin-top: -50px;
            border-radius: var(--radius-lg);
            max-width: calc(var(--container-width) - 48px);
            margin-left: auto;
            margin-right: auto;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-card {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--candy-blue);
            margin-bottom: 8px;
            font-family: system-ui;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--text-body);
            font-weight: 600;
        }

        /* 关于我们与软件介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-info p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .software-box {
            background: linear-gradient(135deg, rgba(77, 119, 255, 0.05), rgba(155, 93, 229, 0.05));
            border: 2px solid rgba(77, 119, 255, 0.1);
            padding: 30px;
            border-radius: var(--radius-md);
        }

        .software-box h4 {
            font-size: 1.3rem;
            color: var(--candy-blue);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .tag {
            background: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-body);
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
        }

        /* 全平台AIGC服务体系 & 卡片样式 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(241, 245, 249, 0.8);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--candy-pink);
            opacity: 0;
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
        }

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

        .card-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 24px;
            color: #fff;
        }

        .card:nth-child(3n+1) .card-icon { background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange)); }
        .card:nth-child(3n+2) .card-icon { background: linear-gradient(135deg, var(--candy-blue), var(--candy-purple)); }
        .card:nth-child(3n+3) .card-icon { background: linear-gradient(135deg, var(--candy-green), #00d2c4); }
        .card:nth-child(3n+2)::before { background: var(--candy-blue); }
        .card:nth-child(3n+3)::before { background: var(--candy-green); }

        .card h3 {
            font-size: 1.3rem;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .card p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 全自动AIGC制作流程 - 时间线/步骤 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: rgba(77, 119, 255, 0.1);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 10px;
        }

        .timeline-container {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-container::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: #fff;
            border: 4px solid var(--candy-blue);
            top: 25px;
            border-radius: 50%;
            z-index: 1;
            transition: var(--transition);
        }

        .left { left: 0; }
        .right { left: 50%; }
        .right::after { left: -10px; border-color: var(--candy-pink); }

        .timeline-content {
            padding: 24px;
            background: #fff;
            position: relative;
            border-radius: var(--radius-md);
            box-shadow: 0 8px 24px rgba(0,0,0,0.02);
            border: 1px solid rgba(0,0,0,0.02);
        }

        .timeline-content h3 {
            color: var(--text-title);
            margin-bottom: 10px;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-content h3 span {
            color: var(--candy-blue);
            font-weight: 800;
        }

        .left .timeline-content h3 span { color: var(--candy-pink); }

        /* 全行业解决方案 & 服务网络 */
        .solution-section {
            background-color: #fff;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .network-map-visual {
            background: radial-gradient(circle, rgba(77, 119, 255, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            border: 1px dashed rgba(77, 119, 255, 0.2);
        }

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

        .network-item {
            background: var(--bg-main);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--candy-green);
        }

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

        .case-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(241, 245, 249, 0.8);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
        }

        .case-img-holder {
            width: 100%;
            height: 200px;
            background: #f1f5f9;
            overflow: hidden;
            position: relative;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(77, 119, 255, 0.1);
            color: var(--candy-blue);
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.15rem;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        /* 对比评测 - 表格 */
        .eval-section {
            background: linear-gradient(180deg, #fff, var(--bg-main));
        }

        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange));
            color: #fff;
            padding: 30px;
            border-radius: var(--radius-md);
            margin-bottom: 40px;
            text-align: center;
        }

        .eval-score-box h3 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1;
        }

        .eval-stars {
            color: #ffd700;
            font-size: 1.8rem;
            margin-top: 8px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(241, 245, 249, 0.8);
        }

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

        th, td {
            padding: 20px 24px;
            border-bottom: 1px solid #f1f5f9;
        }

        th {
            background-color: #f8fafc;
            color: var(--text-title);
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: rgba(77, 119, 255, 0.02);
            font-weight: 600;
            color: var(--candy-blue);
        }

        /* Token比价参考 */
        .token-price-tag {
            background-color: #fff;
            border-radius: var(--radius-md);
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .token-card {
            background: #f8fafc;
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid rgba(0,0,0,0.01);
            transition: var(--transition);
        }

        .token-card:hover {
            transform: scale(1.03);
            border-color: rgba(77, 119, 255, 0.2);
        }

        .token-name {
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .token-cost {
            font-size: 1.4rem;
            color: var(--candy-pink);
            font-weight: 700;
            margin-bottom: 5px;
        }

        /* 人工智能培训 & 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .training-card {
            background: #fff;
            padding: 40px;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(241, 245, 249, 0.8);
        }

        .training-card h3 {
            color: var(--text-title);
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed rgba(77, 119, 255, 0.1);
        }

        .course-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .course-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-main);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .course-item:hover {
            background: rgba(77, 119, 255, 0.05);
        }

        .course-name {
            font-weight: 700;
            color: var(--text-title);
        }

        .course-badge {
            background: var(--candy-orange);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 50px;
            font-weight: 600;
        }

        /* 帮助中心 & FAQ & 术语百科 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.01);
            border: 1px solid rgba(241, 245, 249, 0.8);
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question {
            font-weight: 700;
            color: var(--text-title);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--candy-blue);
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-body);
            margin-top: 0;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            margin-top: 12px;
        }

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

        /* 术语百科 & 自助排查 */
        .trouble-section {
            background: #fff;
        }

        .trouble-box {
            background: var(--bg-main);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 50px;
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .trouble-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 12px rgba(0,0,0,0.01);
        }

        .trouble-card h4 {
            color: var(--candy-pink);
            margin-bottom: 10px;
            font-weight: 700;
        }

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

        .review-card {
            background: #fff;
            padding: 30px;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(241, 245, 249, 0.8);
            position: relative;
        }

        .review-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--text-body);
            font-size: 0.95rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-blue));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .user-info h5 {
            color: var(--text-title);
            font-weight: 700;
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

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

        .article-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(241, 245, 249, 0.8);
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateX(5px);
            border-color: rgba(77, 119, 255, 0.2);
        }

        .article-card h4 {
            margin-bottom: 8px;
        }

        .article-card h4 a {
            color: var(--text-title);
            font-weight: 700;
            transition: var(--transition);
        }

        .article-card h4 a:hover {
            color: var(--candy-blue);
        }

        .article-meta {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .article-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: #fff;
            padding: 30px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(241, 245, 249, 0.8);
        }

        .article-links h3 {
            font-size: 1.2rem;
            color: var(--text-title);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #f1f5f9;
        }

        .article-links a {
            color: var(--candy-blue);
            font-weight: 600;
            text-decoration: underline;
            word-break: break-all;
        }

        /* 智能需求匹配 + 联系我们 (表单及联系信息) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }

        .contact-info-panel {
            background: #fff;
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 30px;
        }

        .contact-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(77, 119, 255, 0.1);
            color: var(--candy-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .contact-detail h4 {
            color: var(--text-title);
            margin-bottom: 4px;
        }

        .qr-wrapper {
            margin-top: 30px;
            text-align: center;
            background: #f8fafc;
            padding: 20px;
            border-radius: var(--radius-md);
        }

        .qr-wrapper img {
            width: 140px;
            height: 140px;
            margin-bottom: 10px;
            border-radius: 8px;
        }

        .form-panel {
            background: #fff;
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(241, 245, 249, 0.8);
        }

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

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

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

        .form-group label {
            font-weight: 700;
            color: var(--text-title);
            font-size: 0.9rem;
        }

        .form-group input, 
        .form-group select, 
        .form-group textarea {
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: var(--radius-md);
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--text-title);
            transition: var(--transition);
        }

        .form-group input:focus, 
        .form-group select:focus, 
        .form-group textarea:focus {
            outline: none;
            border-color: var(--candy-blue);
            box-shadow: 0 0 0 4px rgba(77, 119, 255, 0.1);
        }

        .btn-submit {
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange));
            color: #fff;
            border: none;
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.35);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 107, 139, 0.45);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #1e293b;
            color: #f1f5f9;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: #fff;
        }

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

        .footer-links-group h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .footer-links-group ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-group a {
            color: #94a3b8;
            transition: var(--transition);
        }

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

        .friend-links-box {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 30px;
        }

        .friend-links-box h4 {
            margin-bottom: 12px;
            color: #fff;
        }

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

        .friend-links-box a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: #94a3b8;
        }

        /* 侧边浮动客服 */
        .float-service {
            position: fixed;
            right: 24px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

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

        .float-btn.main-btn {
            background: linear-gradient(135deg, var(--candy-pink), var(--candy-orange));
            color: #fff;
            font-size: 1.5rem;
        }

        .float-popover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            padding: 16px;
            width: 200px;
            display: none;
            text-align: center;
        }

        .float-popover img {
            width: 100%;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .float-popover p {
            font-size: 0.8rem;
            color: var(--text-title);
            font-weight: 700;
        }

        .float-btn:hover .float-popover {
            display: block;
        }

        /* 移动端响应式优化 */
        @media (max-width: 992px) {
            .stats-grid, .grid-3, .case-grid, .trouble-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .training-grid, .news-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-container {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-container::after {
                left: 21px;
            }
            .right {
                left: 0%;
            }
            .right::after {
                left: 21px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
        }

        @media (max-width: 768px) {
            .stats-grid, .grid-3, .case-grid, .trouble-grid, .reviews-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            nav {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 30px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                text-align: center;
                gap: 15px;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 1.8rem;
            }
        }