/* CSS Reset & Variable Setup (多彩涂鸦风 - 亮色、黑粗边框、醒目撞色) */
        :root {
            --bg-color: #faf8f2;
            --text-color: #1a1a1a;
            --primary: #ffe600; /* 涂鸦黄 */
            --secondary: #ff4b91; /* 涂鸦粉 */
            --accent: #00e1d9; /* 涂鸦蓝 */
            --border-width: 3px;
            --card-shadow: 5px 5px 0px #1a1a1a;
            --card-shadow-hover: 1px 1px 0px #1a1a1a;
        }

        * {
            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-color);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 涂鸦风格公共类 */
        .sketch-border {
            border: var(--border-width) solid var(--text-color);
            box-shadow: var(--card-shadow);
            border-radius: 12px;
            background: #fff;
            transition: all 0.2s ease;
        }

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

        .badge {
            display: inline-block;
            padding: 6px 12px;
            font-weight: bold;
            text-transform: uppercase;
            border: 2px solid var(--text-color);
            border-radius: 20px;
            margin-bottom: 10px;
            background: var(--accent);
        }

        .section-title {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            padding: 5px 15px;
            background: var(--primary);
            border: var(--border-width) solid var(--text-color);
            border-radius: 8px;
            box-shadow: 3px 3px 0px #1a1a1a;
        }

        /* 顶部导航 */
        header {
            background-color: #fff;
            border-bottom: var(--border-width) solid var(--text-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

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

        .logo-text {
            font-weight: 900;
            font-size: 1.4rem;
            color: var(--text-color);
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu a {
            font-weight: bold;
            padding: 5px 10px;
            border-radius: 4px;
            transition: background 0.2s;
        }

        .nav-menu a:hover {
            background-color: var(--primary);
        }

        .nav-btn {
            background: var(--secondary);
            color: #fff;
            padding: 8px 16px;
            border: 2px solid var(--text-color);
            font-weight: bold;
            border-radius: 8px;
            box-shadow: 2px 2px 0px #1a1a1a;
            cursor: pointer;
        }

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

        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-color);
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 80px 0;
            background: radial-gradient(circle at 10% 20%, rgba(255, 230, 0, 0.1) 0%, rgba(255, 75, 145, 0.1) 90.1%);
            border-bottom: var(--border-width) solid var(--text-color);
            text-align: center;
            position: relative;
        }

        .hero-tag {
            background: var(--accent);
            display: inline-block;
            padding: 5px 15px;
            font-weight: bold;
            border: var(--border-width) solid var(--text-color);
            transform: rotate(-2deg);
            margin-bottom: 25px;
            box-shadow: 3px 3px 0px #1a1a1a;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-color);
        }

        .hero-desc {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 35px auto;
            color: #4a4a4a;
        }

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

        .btn-large {
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 800;
            border: var(--border-width) solid var(--text-color);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-primary {
            background: var(--primary);
            box-shadow: 4px 4px 0px #1a1a1a;
        }

        .btn-primary:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px #1a1a1a;
        }

        .btn-outline {
            background: #fff;
            box-shadow: 4px 4px 0px #1a1a1a;
        }

        .btn-outline:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px #1a1a1a;
        }

        /* 基础数据指标卡片 */
        .stats-section {
            padding: 40px 0;
            background-color: #fff;
            border-bottom: var(--border-width) solid var(--text-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-color);
            padding: 25px;
            text-align: center;
            border: var(--border-width) solid var(--text-color);
            border-radius: 12px;
            box-shadow: 4px 4px 0px #1a1a1a;
        }

        .stat-card h3 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--secondary);
            margin-bottom: 5px;
        }

        .stat-card p {
            font-weight: bold;
            color: #555;
        }

        /* 模块通用布局 */
        .section {
            padding: 80px 0;
            border-bottom: var(--border-width) solid var(--text-color);
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--text-color);
        }

        .about-text p {
            margin-bottom: 15px;
            color: #4a4a4a;
        }

        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }

        .intro-feat-item {
            padding: 15px;
            background: #fff;
            border: 2px solid var(--text-color);
            border-radius: 8px;
            font-weight: bold;
        }

        /* 服务体系展示与支持平台 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .tag-item {
            padding: 8px 16px;
            background: #fff;
            border: 2px solid var(--text-color);
            border-radius: 20px;
            font-weight: bold;
            font-size: 0.9rem;
            box-shadow: 2px 2px 0px #1a1a1a;
        }

        .tag-item.highlight {
            background: var(--primary);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .service-card {
            padding: 30px;
            background: #fff;
        }

        .service-card h4 {
            font-size: 1.4rem;
            margin: 15px 0 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .service-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border: 2px solid var(--text-color);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* 全自动制作流程与素材展示 */
        .workflow-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

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

        .step-num {
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--secondary);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            border: 2px solid var(--text-color);
        }

        .step-card h5 {
            font-size: 1.2rem;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        /* 案例与素材图混合排版 */
        .assets-display {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }

        .asset-wrapper {
            border: var(--border-width) solid var(--text-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            background-color: #fff;
        }

        .asset-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .asset-caption {
            padding: 15px;
            background: #fff;
            border-top: var(--border-width) solid var(--text-color);
            font-weight: bold;
        }

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

        .solution-card {
            padding: 25px;
            background: #fff;
        }

        /* 技术标准 */
        .standards-container {
            background: #fff;
            padding: 40px;
            border-radius: 12px;
            border: var(--border-width) solid var(--text-color);
            box-shadow: var(--card-shadow);
        }

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

        .standards-list li {
            padding: 15px 0;
            border-bottom: 2px dashed #eee;
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        .checkmark {
            color: #00aa6c;
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: var(--border-width) solid var(--text-color);
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            background: #fff;
            margin-bottom: 30px;
        }

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

        th, td {
            padding: 15px 20px;
            border-bottom: 2px solid var(--text-color);
        }

        th {
            background: var(--accent);
            font-weight: 800;
        }

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

        .highlight-row {
            background: rgba(255, 230, 0, 0.15);
        }

        .score-box {
            background: var(--primary);
            border: 2px solid var(--text-color);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            margin-top: 20px;
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* 需求表单与匹配 */
        .form-section-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .form-wrapper {
            background: #fff;
            padding: 30px;
            border: var(--border-width) solid var(--text-color);
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--text-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 2px 2px 0px var(--text-color);
        }

        /* Token 比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .price-card {
            background: #fff;
            padding: 25px;
            text-align: center;
        }

        .price-card.promo {
            background: linear-gradient(135deg, #fff 60%, rgba(255, 75, 145, 0.1));
            border-color: var(--secondary);
        }

        .price-amount {
            font-size: 2rem;
            font-weight: 900;
            color: var(--secondary);
            margin: 15px 0;
        }

        /* 培训体系 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: #fff;
            padding: 20px;
            text-align: center;
        }

        .training-card h5 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--text-color);
        }

        /* FAQ折叠面板 */
        .faq-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 2px solid var(--text-color);
            border-radius: 8px;
            box-shadow: 3px 3px 0px #1a1a1a;
            overflow: hidden;
        }

        .faq-trigger {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: bold;
            transition: transform 0.2s;
        }

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

        .faq-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease-out, padding 0.2s ease-out;
            color: #555;
            background-color: #fafafa;
        }

        .faq-item.active .faq-content {
            padding: 15px 20px;
            max-height: 300px;
            border-top: 2px solid var(--text-color);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .comment-card {
            background: #fff;
            padding: 25px;
            position: relative;
        }

        .comment-rating {
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 15px;
            border-top: 1px dashed #ddd;
            padding-top: 15px;
        }

        .comment-avatar {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border: 2px solid var(--text-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* 术语百科 & 自助排查 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .info-block {
            background: #fff;
            padding: 30px;
        }

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

        .info-list li {
            margin-bottom: 15px;
        }

        .info-list strong {
            display: block;
            color: var(--secondary);
            margin-bottom: 5px;
        }

        /* 知识库/最新文章 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .news-card {
            background: #fff;
            padding: 20px;
        }

        .news-card .date {
            font-size: 0.8rem;
            color: #888;
            margin-bottom: 10px;
            display: block;
        }

        .news-card h5 {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .news-link {
            font-weight: bold;
            color: var(--secondary);
            text-decoration: underline;
        }

        /* 联系我们与页脚 */
        .contact-container {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .qrcode-box {
            text-align: center;
            padding: 20px;
            background: #fff;
            border: 3px solid var(--text-color);
            border-radius: 12px;
            box-shadow: 4px 4px 0px #1a1a1a;
            max-width: 250px;
        }

        .qrcode-box img {
            width: 100%;
            height: auto;
            border: 2px solid var(--text-color);
            border-radius: 8px;
        }

        footer {
            background-color: var(--text-color);
            color: #fff;
            padding: 60px 0 20px 0;
            border-top: var(--border-width) solid var(--text-color);
        }

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

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
        }

        .footer-logo img {
            height: 40px;
            filter: brightness(0) invert(1);
        }

        .footer-links h6 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 15px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: #ccc;
            transition: color 0.2s;
        }

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

        .friend-links {
            margin-top: 30px;
            border-top: 1px solid #444;
            padding-top: 20px;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }

        .friend-links a {
            color: #aaa;
            font-size: 0.9rem;
        }

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

        .copyright-bar {
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 20px;
            font-size: 0.9rem;
            color: #888;
        }

        /* 侧边浮动客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--primary);
            border: 3px solid var(--text-color);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 4px 4px 0px #1a1a1a;
            cursor: pointer;
            font-weight: bold;
            font-size: 0.8rem;
            text-align: center;
            line-height: 1.2;
        }

        .float-kefu:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px #1a1a1a;
        }

        .float-kefu-pop {
            display: none;
            position: absolute;
            bottom: 70px;
            right: 0;
            background: #fff;
            border: 3px solid var(--text-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: var(--card-shadow);
            width: 200px;
            text-align: center;
        }

        .float-kefu:hover .float-kefu-pop {
            display: block;
        }

        .float-kefu-pop img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            border: 2px solid var(--text-color);
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .form-section-grid, .info-grid, .contact-container {
                grid-template-columns: 1fr;
            }
            .assets-display {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                border-bottom: var(--border-width) solid var(--text-color);
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }