:root {
            --bg-primary: #fdfbf7;
            --text-main: #1a1a1a;
            --text-muted: #555555;
            --border-color: #1a1a1a;
            
            /* 多彩涂鸦风配色 */
            --color-yellow: #ffd166;
            --color-pink: #ff85a2;
            --color-blue: #4cc9f0;
            --color-green: #06d6a0;
            --color-orange: #f77f00;
            --color-purple: #b5179e;
            
            --border-width-thick: 3px;
            --border-width-thin: 2px;
            
            --shadow-flat: 4px 4px 0px var(--border-color);
            --shadow-flat-hover: 1px 1px 0px var(--border-color);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 涂鸦风公共组件 */
        .doodle-card {
            background: #ffffff;
            border: var(--border-width-thick) solid var(--border-color);
            box-shadow: var(--shadow-flat);
            border-radius: 12px;
            padding: 24px;
            transition: all 0.2s ease;
            position: relative;
        }

        .doodle-card:hover {
            transform: translate(3px, 3px);
            box-shadow: var(--shadow-flat-hover);
        }

        .doodle-badge {
            display: inline-block;
            padding: 6px 12px;
            font-weight: bold;
            font-size: 0.85rem;
            border: var(--border-width-thin) solid var(--border-color);
            border-radius: 20px;
            box-shadow: 2px 2px 0px var(--border-color);
            text-transform: uppercase;
        }

        .doodle-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: bold;
            text-decoration: none;
            color: var(--text-main);
            border: var(--border-width-thick) solid var(--border-color);
            border-radius: 8px;
            box-shadow: var(--shadow-flat);
            cursor: pointer;
            transition: all 0.15s ease;
            background-color: var(--color-yellow);
        }

        .doodle-btn:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--border-color);
        }

        .doodle-title {
            font-size: 2.2rem;
            font-weight: 900;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .doodle-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 6px;
            background: var(--color-pink);
            border: 2px solid var(--border-color);
            border-radius: 4px;
            z-index: -1;
        }

        /* 布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            border-bottom: var(--border-width-thick) dashed var(--border-color);
        }

        /* 顶部导航 */
        header {
            background-color: var(--bg-primary);
            border-bottom: var(--border-width-thick) solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-area img {
            max-height: 45px;
            width: auto;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: bold;
            padding: 6px 12px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .nav-links a:hover {
            background-color: var(--color-blue);
            color: #fff;
            transform: rotate(-2deg);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: var(--border-width-thin) solid var(--border-color);
            padding: 8px;
            border-radius: 6px;
            cursor: pointer;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(255, 209, 102, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(76, 201, 240, 0.15) 0%, transparent 50%);
            padding: 100px 0;
            text-align: center;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tag {
            background-color: var(--color-pink);
            transform: rotate(-1deg);
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .hero-title span {
            background: linear-gradient(120deg, var(--color-blue) 0%, var(--color-green) 100%);
            -webkit-background-clip: text;
            color: var(--text-main);
            border-bottom: 4px dashed var(--color-orange);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 50px;
        }

        .stat-card {
            text-align: center;
            background-color: var(--bg-primary);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--color-purple);
            margin-bottom: 8px;
        }

        .stat-label {
            font-weight: bold;
            color: var(--text-muted);
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 16px;
            color: var(--text-muted);
        }

        .doodle-box {
            background-color: var(--color-blue);
            border: var(--border-width-thick) solid var(--border-color);
            box-shadow: var(--shadow-flat);
            border-radius: 12px;
            padding: 30px;
            transform: rotate(1deg);
        }

        .doodle-box h4 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        /* 服务体系 (聚合平台) */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 16px;
            margin-top: 30px;
        }

        .platform-tag {
            background-color: #ffffff;
            border: var(--border-width-thin) solid var(--border-color);
            border-radius: 8px;
            padding: 12px;
            text-align: center;
            font-weight: bold;
            box-shadow: 2px 2px 0px var(--border-color);
            transition: all 0.15s ease;
        }

        .platform-tag:hover {
            transform: translateY(-2px);
            background-color: var(--color-green);
            box-shadow: 4px 4px 0px var(--border-color);
        }

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .sol-card {
            border-top: 10px solid var(--color-pink);
        }

        .sol-card:nth-child(2n) {
            border-top-color: var(--color-blue);
        }

        .sol-card:nth-child(3n) {
            border-top-color: var(--color-yellow);
        }

        .sol-card h4 {
            font-size: 1.3rem;
            margin: 15px 0 10px;
        }

        /* 制作流程 & 标准化服务全流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .flow-step {
            position: relative;
            background: #fff;
            padding: 20px;
        }

        .step-num {
            position: absolute;
            top: -15px;
            right: 15px;
            background-color: var(--color-orange);
            color: #fff;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            border: var(--border-width-thin) solid var(--border-color);
        }

        /* 对比评测 */
        .rating-box {
            background-color: var(--color-yellow);
            border: var(--border-width-thick) solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 40px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            box-shadow: var(--shadow-flat);
        }

        .rating-item {
            text-align: center;
            padding: 15px;
        }

        .rating-value {
            font-size: 3.5rem;
            font-weight: 900;
        }

        .rating-stars {
            font-size: 1.5rem;
            color: var(--color-orange);
        }

        .compare-table-wrapper {
            overflow-x: auto;
            border: var(--border-width-thick) solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--shadow-flat);
            background: #fff;
        }

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

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

        th {
            background-color: #f2f2f2;
            font-weight: 900;
        }

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

        .highlight-row {
            background-color: rgba(255, 209, 102, 0.15);
        }

        /* Token比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .price-card {
            border-left: 8px solid var(--color-purple);
        }

        .price-tag {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--color-orange);
            margin: 15px 0;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-list {
            list-style: none;
            margin-top: 15px;
        }

        .training-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: bold;
        }

        .training-list li::before {
            content: '⚡';
            color: var(--color-orange);
        }

        /* 案例中心 - 支持横/方版宣传图展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            border: var(--border-width-thin) solid var(--border-color);
            margin-bottom: 15px;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .comment-card {
            background-color: #fff;
            border-radius: 8px;
        }

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--color-pink);
            border: var(--border-width-thin) solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .user-info h5 {
            font-size: 1rem;
            margin: 0;
        }

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

        /* 文章列表 */
        .article-box {
            background-color: #fff;
            border: var(--border-width-thick) solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-flat);
        }

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

        .article-list li {
            padding: 15px 0;
            border-bottom: var(--border-width-thin) dashed var(--border-color);
        }

        .article-list li:last-child {
            border-bottom: none;
        }

        .article-list a {
            color: var(--text-main);
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: color 0.2s ease;
        }

        .article-list a:hover {
            color: var(--color-purple);
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: var(--border-width-thin) solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            background-color: #fff;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #fff;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--text-muted);
            border-top: 0px solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
            border-top: var(--border-width-thin) solid var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: bold;
        }

        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* 常见问题排查与百科 */
        .check-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .check-card h4 {
            margin-bottom: 15px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 8px;
        }

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

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-weight: bold;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 12px;
            border: var(--border-width-thin) solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            background-color: #fff;
        }

        .contact-info-card {
            background-color: var(--color-green);
        }

        .qr-code-box {
            text-align: center;
            margin: 20px 0;
        }

        .qr-code-box img {
            max-width: 150px;
            border: var(--border-width-thin) solid var(--border-color);
            border-radius: 8px;
        }

        /* 页脚 */
        footer {
            background-color: #1a1a1a;
            color: #ffffff;
            padding: 60px 0 20px 0;
            border-top: var(--border-width-thick) solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--color-yellow);
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--color-pink);
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.9rem;
            color: #999;
        }

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

        .friend-links a {
            color: #999;
            text-decoration: none;
        }

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

        /* 浮动客服入口 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            background-color: var(--color-yellow);
            border: var(--border-width-thin) solid var(--border-color);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            box-shadow: 3px 3px 0px var(--border-color);
            cursor: pointer;
            text-decoration: none;
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .float-btn:hover {
            transform: translate(2px, 2px);
            box-shadow: 1px 1px 0px var(--border-color);
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .about-layout, .training-grid, .contact-layout, .check-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-primary);
                border-bottom: var(--border-width-thick) solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            
            .nav-links.active {
                display: flex;
            }

            .nav-toggle {
                display: block;
            }
            
            .doodle-title {
                font-size: 1.8rem;
            }
        }