:root {
            --candy-pink: #ff65a3;
            --candy-blue: #4ba3ff;
            --candy-green: #3ad29f;
            --candy-purple: #9c6cff;
            --candy-yellow: #ffc233;
            --bg-light: #fafbff;
            --text-main: #2b3044;
            --text-muted: #6b7280;
            --border-color: #f1f3f9;
            --container-width: 1200px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        ul {
            list-style: none;
        }

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

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

        /* 缤纷按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            cursor: pointer;
            border: none;
            outline: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .btn-pink {
            background-color: var(--candy-pink);
            color: #fff;
        }
        .btn-pink:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 101, 163, 0.3);
        }

        .btn-blue {
            background-color: var(--candy-blue);
            color: #fff;
        }
        .btn-blue:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(75, 163, 255, 0.3);
        }

        .btn-white {
            background-color: #fff;
            color: var(--text-main);
            border: 2px solid var(--border-color);
        }
        .btn-white:hover {
            background-color: var(--border-color);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

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

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

        .logo-wrap img {
            height: 40px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(45deg, var(--candy-pink), var(--candy-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 20px;
        }

        .nav-link:hover {
            background-color: rgba(75, 163, 255, 0.1);
            color: var(--candy-blue);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: none;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        /* Hero首屏 - 严禁图片，纯视觉渐变与卡片 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 101, 163, 0.08) 0%, rgba(75, 163, 255, 0.05) 90%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(156, 108, 255, 0.15) 0%, transparent 70%);
            top: -50px;
            right: -100px;
            border-radius: 50%;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(58, 210, 159, 0.1) 0%, transparent 70%);
            bottom: -150px;
            left: -150px;
            border-radius: 50%;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: rgba(255, 101, 163, 0.1);
            color: var(--candy-pink);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 101, 163, 0.2);
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            max-width: 800px;
            margin: 0 auto 20px;
            color: var(--text-main);
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto 35px;
        }

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

        /* 顶部/首页链接的集成 */
        .home-direct-link {
            font-size: 13px;
            color: var(--candy-blue);
            margin-top: 15px;
            display: inline-block;
            text-decoration: underline;
        }

        /* 关于我们与数据卡片 */
        .section-padding {
            padding: 90px 0;
            position: relative;
        }

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

        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: linear-gradient(to right, var(--candy-pink), var(--candy-blue));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background-color: #fff;
            padding: 30px 20px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(75, 163, 255, 0.1);
            border-color: var(--candy-blue);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--candy-purple);
            margin-bottom: 5px;
        }

        .stat-card:nth-child(2) .stat-number { color: var(--candy-pink); }
        .stat-card:nth-child(3) .stat-number { color: var(--candy-green); }
        .stat-card:nth-child(4) .stat-number { color: var(--candy-yellow); }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 平台服务体系与模型网格 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: #fff;
            border-radius: 24px;
            padding: 40px 30px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--candy-pink), var(--candy-blue));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            border-color: transparent;
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 25px;
        }

        .icon-pink { background-color: rgba(255, 101, 163, 0.1); color: var(--candy-pink); }
        .icon-blue { background-color: rgba(75, 163, 255, 0.1); color: var(--candy-blue); }
        .icon-green { background-color: rgba(58, 210, 159, 0.1); color: var(--candy-green); }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background-color: var(--bg-light);
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            color: var(--text-main);
        }

        /* 标签云 - 支持模型展示 */
        .tags-container {
            margin-top: 50px;
            background-color: #fff;
            padding: 30px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .tags-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .model-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .model-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }

        .model-tag:hover {
            background-color: var(--candy-blue);
            color: #fff;
            transform: scale(1.05);
        }

        /* 流程步骤与时间线 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 45px;
            left: 50px;
            right: 50px;
            height: 4px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 0 15px;
        }

        .step-num {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #fff;
            border: 4px solid var(--candy-pink);
            color: var(--candy-pink);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .process-step:hover .step-num {
            transform: scale(1.1);
            background-color: var(--candy-pink);
            color: #fff;
        }

        .process-step:nth-child(2) .step-num { border-color: var(--candy-blue); color: var(--candy-blue); }
        .process-step:nth-child(2):hover .step-num { background-color: var(--candy-blue); color: #fff; }

        .process-step:nth-child(3) .step-num { border-color: var(--candy-green); color: var(--candy-green); }
        .process-step:nth-child(3):hover .step-num { background-color: var(--candy-green); color: #fff; }

        .process-step:nth-child(4) .step-num { border-color: var(--candy-yellow); color: var(--candy-yellow); }
        .process-step:nth-child(4):hover .step-num { background-color: var(--candy-yellow); color: #fff; }

        .step-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .step-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 案例展示区 - 包含宣传图、横版/方版素材图 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: #f1f3f9;
        }

        .case-img-wrap.square {
            aspect-ratio: 1/1;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-img-wrap img {
            transform: scale(1.08);
        }

        .case-content {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background-color: rgba(75, 163, 255, 0.1);
            color: var(--candy-blue);
            font-size: 12px;
            font-weight: 600;
            border-radius: 8px;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .case-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测板块 */
        .comparison-table-wrap {
            background-color: #fff;
            border-radius: 24px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            overflow-x: auto;
        }

        .comparison-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .score-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--candy-pink);
            line-height: 1;
        }

        .score-stars {
            color: var(--candy-yellow);
            font-size: 20px;
        }

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

        .comp-table th, .comp-table td {
            padding: 18px 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .comp-table th {
            font-weight: 600;
            color: var(--text-muted);
            font-size: 14px;
        }

        .comp-table td:nth-child(2) {
            font-weight: 600;
            color: var(--candy-blue);
        }

        .highlight-row {
            background-color: rgba(75, 163, 255, 0.02);
        }

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

        .token-card {
            background-color: #fff;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
        }

        .token-card.best-deal {
            border: 2px solid var(--candy-pink);
        }

        .badge-hot {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--candy-pink);
            color: #fff;
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 10px;
            font-weight: 600;
        }

        .token-title {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin: 15px 0;
        }

        .token-price span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .token-features {
            margin: 20px 0;
            font-size: 13px;
            color: var(--text-muted);
        }

        .token-features li {
            margin-bottom: 8px;
        }

        /* 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: linear-gradient(135deg, #fff 0%, var(--bg-light) 100%);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .training-card h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .course-list {
            margin-bottom: 30px;
        }

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

        .course-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--candy-green);
        }

        /* 帮助中心与折叠 FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .faq-sidebar {
            background-color: #fff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            height: fit-content;
        }

        .term-box {
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .term-title {
            font-weight: 600;
            margin-bottom: 10px;
            font-size: 15px;
        }

        .term-item {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

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

        .faq-item {
            background-color: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-trigger {
            width: 100%;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
        }

        .faq-icon-arrow {
            transition: transform 0.3s ease;
            font-size: 18px;
            color: var(--text-muted);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background-color: var(--bg-light);
        }

        .faq-content-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active {
            border-color: var(--candy-blue);
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-content {
            max-height: 1000px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

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

        .comment-card {
            background-color: #fff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.01);
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .avatar-placeholder {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: rgba(75, 163, 255, 0.1);
            color: var(--candy-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }

        .comment-card:nth-child(2n) .avatar-placeholder {
            background-color: rgba(255, 101, 163, 0.1);
            color: var(--candy-pink);
        }

        .comment-meta h4 {
            font-size: 15px;
            font-weight: 600;
        }

        .comment-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .comment-body {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 知识库/文章列表 */
        .article-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .article-main {
            background-color: #fff;
            border-radius: 24px;
            padding: 35px;
            border: 1px solid var(--border-color);
        }

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

        .article-item {
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

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

        .article-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .article-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .article-btn {
            white-space: nowrap;
            font-size: 13px;
            color: var(--candy-blue);
            font-weight: 600;
        }

        .widget-side {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .widget-card {
            background-color: #fff;
            border-radius: 20px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }

        .widget-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 15px;
            border-left: 4px solid var(--candy-pink);
            padding-left: 10px;
        }

        /* 智能需求匹配与表单 */
        .form-section-bg {
            background: linear-gradient(135deg, rgba(75, 163, 255, 0.05) 0%, rgba(156, 108, 255, 0.05) 100%);
            border-radius: 30px;
            padding: 50px;
        }

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

        .form-info h3 {
            font-size: 28px;
            margin-bottom: 20px;
        }

        .form-info p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 25px;
        }

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

        .form-info-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .form-info-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            color: var(--candy-pink);
        }

        .contact-form {
            background-color: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
        }

        .form-group-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 15px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-light);
            outline: none;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--candy-blue);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(75, 163, 255, 0.15);
        }

        /* 页脚 */
        footer {
            background-color: #1e2230;
            color: #a0aec0;
            padding: 80px 0 30px;
            font-size: 14px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand img {
            height: 45px;
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .footer-qrcode-wrap {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .footer-qrcode {
            width: 90px;
            height: 90px;
            background-color: #fff;
            padding: 5px;
            border-radius: 8px;
        }

        .footer-qrcode img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .footer-bottom {
            border-top: 1px solid #2d3748;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .friend-links a {
            color: #718096;
        }

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

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .kefu-trigger {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            background-color: var(--candy-pink);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(255, 101, 163, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .kefu-trigger:hover {
            transform: scale(1.1);
        }

        .kefu-popover {
            position: absolute;
            bottom: 70px;
            right: 0;
            background-color: #fff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            padding: 20px;
            width: 220px;
            text-align: center;
            display: none;
            border: 1px solid var(--border-color);
        }

        .kefu-popover.active {
            display: block;
        }

        .kefu-popover img {
            width: 130px;
            height: 130px;
            margin: 0 auto 10px;
        }

        .kefu-popover p {
            font-size: 12px;
            color: var(--text-main);
            font-weight: 500;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
            .token-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: 1fr; }
            .faq-layout { grid-template-columns: 1fr; }
            .article-layout { grid-template-columns: 1fr; }
            .form-layout { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: repeat(2, 1fr); }
        }

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

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

            .nav-toggle {
                display: flex;
            }

            .hero-title { font-size: 32px; }
            .stats-grid { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: 1fr; }
            .process-flow { flex-direction: column; gap: 30px; }
            .process-flow::before { display: none; }
            .case-grid { grid-template-columns: 1fr; }
            .comments-grid { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }