/* 基础重置 & 多彩涂鸦风基础变量 */
        :root {
            --bg-color: #FAF8F5;
            --text-color: #1E1E1E;
            --primary-yellow: #FFDE47;
            --primary-blue: #387ADF;
            --primary-pink: #F285C7;
            --primary-green: #50C878;
            --border-color: #1E1E1E;
            --border-thick: 3px;
            --card-shadow: 6px 6px 0px #1E1E1E;
            --card-shadow-hover: 2px 2px 0px #1E1E1E;
            --font-family: 'Comic Sans MS', 'Chill Round', 'Microsoft YaHei', sans-serif;
        }

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

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--text-color);
            text-decoration: none;
            transition: all 0.2s ease;
        }

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

        /* 涂鸦风公共组件 */
        .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%);
            padding: 10px 20px;
            background: #FFF;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }

        .doodle-title::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 6px;
            background: var(--primary-pink);
            bottom: -15px;
            left: 0;
            border-radius: 10px;
            border: 2px solid var(--border-color);
        }

        .doodle-card {
            background: #FFF;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            padding: 24px;
            transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .doodle-card:hover {
            transform: translate(4px, 4px);
            box-shadow: var(--card-shadow-hover);
        }

        .doodle-badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.85rem;
            font-weight: bold;
            border: 2px solid var(--border-color);
            border-radius: 20px;
            background: var(--primary-pink);
            margin-bottom: 12px;
        }

        .btn-doodle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: bold;
            font-size: 1.1rem;
            background: var(--primary-yellow);
            border: var(--border-thick) solid var(--border-color);
            border-radius: 30px;
            box-shadow: 4px 4px 0px var(--border-color);
            cursor: pointer;
            transition: all 0.1s ease;
        }

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

        .btn-doodle:active {
            transform: translate(4px, 4px);
            box-shadow: 0px 0px 0px var(--border-color);
        }

        /* 导航栏 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 248, 245, 0.95);
            border-bottom: var(--border-thick) solid var(--border-color);
            padding: 15px 0;
        }

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

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

        .ai-page-logo {
            height: 45px;
            width: auto;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            background: #fff;
            padding: 2px;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 900;
            background: var(--primary-yellow);
            padding: 2px 8px;
            border: 2px solid var(--border-color);
            border-radius: 6px;
        }

        .nav-menu {
            display: flex;
            gap: 15px;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            font-weight: bold;
            padding: 6px 12px;
            border-radius: 8px;
            border: 2px solid transparent;
        }

        .nav-link:hover {
            background: var(--primary-blue);
            color: #fff;
            border-color: var(--border-color);
        }

        .nav-btn {
            background: var(--primary-pink);
            border: 2px solid var(--border-color);
            box-shadow: 2px 2px 0px var(--border-color);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: 2px solid var(--border-color);
            padding: 8px;
            border-radius: 6px;
            background: #fff;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 3px;
            background: var(--border-color);
        }

        /* 1. Hero 首页 - 首屏禁止出现图片 */
        #home {
            padding: 80px 0 60px 0;
            background: linear-gradient(135deg, #FFF9D2 0%, #FFF 100%);
            border-bottom: var(--border-thick) dashed var(--border-color);
            position: relative;
        }

        .hero-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            background: var(--primary-green);
            color: var(--text-color);
            font-weight: bold;
            padding: 6px 16px;
            border: 2px solid var(--border-color);
            border-radius: 30px;
            transform: rotate(-2deg);
            margin-bottom: 20px;
            box-shadow: 3px 3px 0 var(--border-color);
        }

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

        h1.hero-title span {
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: #4A4A4A;
            margin-bottom: 35px;
            max-width: 700px;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-visit-home {
            background: var(--primary-yellow);
        }

        .btn-join-calc {
            background: var(--primary-blue);
            color: #FFF;
        }

        .hero-highlights {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
        }

        .highlight-item {
            background: #fff;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 12px 20px;
            font-weight: bold;
            box-shadow: 3px 3px 0 var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .highlight-item::before {
            content: '⭐';
        }

        /* 2. 关于我们 */
        #about {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .about-text p {
            color: #555;
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .company-badge {
            background: var(--primary-yellow);
            display: inline-block;
            padding: 4px 10px;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        /* 3. 全平台AIGC服务 */
        #services {
            padding: 80px 0;
            background: #F0F3FF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .model-tags-container {
            background: #fff;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
        }

        .model-tags-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 2px dashed var(--border-color);
            padding-bottom: 15px;
        }

        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            padding: 8px 16px;
            border: 2px solid var(--border-color);
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.95rem;
            background: #FFF;
            box-shadow: 2px 2px 0 var(--border-color);
            transition: all 0.15s ease;
        }

        .model-tag:hover {
            transform: scale(1.08) rotate(2deg);
            background: var(--primary-pink);
        }

        /* 4. 一站式AIGC制作 */
        #creation {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

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

        .creation-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .creation-card h4 {
            font-size: 1.4rem;
            font-weight: 800;
            margin: 10px 0;
        }

        .creation-card p {
            color: #666;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        /* 5. 全行业解决方案 */
        #solutions {
            padding: 80px 0;
            background: #FFF5F9;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .solutions-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .solution-box {
            text-align: center;
            padding: 30px 20px;
        }

        .solution-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        .solution-box h4 {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 10px;
        }

        /* 6. 全国服务网络 */
        #network {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-map {
            border: var(--border-thick) solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            background: #E8F9FF;
            box-shadow: var(--card-shadow);
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .doodle-map-icon {
            font-size: 4rem;
            position: absolute;
            animation: bounce 2s infinite ease-in-out;
        }

        .network-nodes {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .network-nodes li {
            padding: 10px 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            background: #FDFBF7;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .network-nodes li::before {
            content: '📍';
        }

        /* 7. 标准化AIGC流程 */
        #process {
            padding: 80px 0;
            background: #FFFBF0;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            background: #fff;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 4px 4px 0 var(--border-color);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-pink);
            border: 2px solid var(--border-color);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            box-shadow: 2px 2px 0 var(--border-color);
        }

        .step-item h4 {
            margin-top: 15px;
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        /* 8. 技术标准 */
        #tech-specs {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .spec-card {
            border: var(--border-thick) solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            background: #FFF;
            box-shadow: var(--card-shadow);
        }

        .spec-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--primary-blue);
        }

        /* 9. 客户案例中心 */
        #cases {
            padding: 80px 0;
            background: #F3FFF5;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card img {
            width: 100%;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            margin-bottom: 15px;
            object-fit: cover;
            height: 200px;
        }

        .case-desc {
            font-size: 0.95rem;
            color: #555;
            margin-bottom: 10px;
        }

        /* 10. 对比评测 */
        #comparison {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .comparison-score {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            background: var(--primary-yellow);
            padding: 25px;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .score-big {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1;
            display: flex;
            align-items: baseline;
        }

        .score-big span {
            font-size: 1.5rem;
            font-weight: normal;
        }

        .score-meta {
            text-align: left;
        }

        .score-meta h4 {
            font-size: 1.5rem;
            font-weight: bold;
        }

        .stars {
            color: #E2703A;
            font-size: 1.25rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            background: #fff;
        }

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

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--border-color);
            border-right: 2px solid var(--border-color);
        }

        .comparison-table th {
            background: #F3F3F3;
            font-weight: bold;
        }

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

        .comparison-table tr td:last-child {
            border-right: none;
        }

        .comparison-table td.highlight-cell {
            background: rgba(255, 222, 71, 0.2);
            font-weight: bold;
        }

        /* 11. 智能需求匹配 (表单) */
        #smart-matching {
            padding: 80px 0;
            background: #FFF9E6;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .matching-wrapper {
            max-width: 650px;
            margin: 0 auto;
        }

        .doodle-form {
            background: #FFF;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            background: #FAF8F5;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--primary-blue);
            background: #FFF;
        }

        /* 12. Token比价参考 */
        #token-price {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        #training {
            padding: 80px 0;
            background: #F0FAFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        /* 15. 帮助中心 */
        #help {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .help-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        /* 16. 常见用户问题 FAQ */
        #faq {
            padding: 80px 0;
            background: #FFF9F9;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: var(--border-thick) solid var(--border-color);
            border-radius: 12px;
            background: #FFF;
            box-shadow: 4px 4px 0 var(--border-color);
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-header {
            padding: 18px 24px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FFF;
        }

        .faq-header::after {
            content: '＋';
            font-size: 1.2rem;
            transition: transform 0.2s ease;
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background: #FCFCFC;
        }

        .faq-content {
            padding: 20px 24px;
            border-top: 2px dashed var(--border-color);
            color: #555;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-body {
            max-height: 1000px;
            transition: max-height 0.5s ease-in-out;
        }

        /* 17. 常见问题自助排查 */
        #troubleshoot {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        /* 18. AI术语百科 */
        #encyclopedia {
            padding: 80px 0;
            background: #FDF9F2;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        /* 19. 行业资讯 / 知识库 */
        #news {
            padding: 80px 0;
            background: #FFF;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        /* 20. 联系我们 & 21. 加盟代理 */
        #contact {
            padding: 80px 0;
            background: #FFF9FA;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

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

        .qr-codes {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

        .qr-item {
            text-align: center;
            background: #FFF;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 3px 3px 0 var(--border-color);
        }

        .qr-item img {
            width: 140px;
            height: 140px;
            margin-bottom: 10px;
            border: 1px solid #ddd;
        }

        .agent-banner {
            background: var(--primary-pink);
            border: var(--border-thick) solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            color: var(--text-color);
        }

        .agent-banner h3 {
            font-size: 1.6rem;
            font-weight: 900;
            margin-bottom: 15px;
        }

        /* 客户评论区 */
        #testimonials {
            padding: 80px 0;
            background: #F6FFF8;
            border-bottom: var(--border-thick) dashed var(--border-color);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .testi-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-user {
            margin-top: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px dashed var(--border-color);
            padding-top: 15px;
        }

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

        /* 页脚与友情链接 */
        footer {
            background: #1E1E1E;
            color: #FFF;
            padding: 60px 0 30px 0;
        }

        footer a {
            color: #FFF;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            border-bottom: 2px dashed #444;
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-logo-desc {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-links h5 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .footer-links h5::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 3px;
            background: var(--primary-yellow);
            bottom: -8px;
            left: 0;
        }

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

        .footer-links a:hover {
            color: var(--primary-yellow);
            text-decoration: underline;
        }

        .friend-links-area {
            margin-top: 30px;
            padding: 20px;
            background: #2a2a2a;
            border-radius: 12px;
            border: 2px solid #444;
        }

        .friend-links-title {
            font-weight: bold;
            margin-bottom: 15px;
            color: var(--primary-pink);
        }

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

        .friend-links-list a {
            background: #333;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.9rem;
            border: 1px solid #444;
        }

        .friend-links-list a:hover {
            background: var(--primary-blue);
            color: #fff;
        }

        .copyright-area {
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }

        /* 浮动组件 & 客服 */
        .float-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            background: #FFF;
            box-shadow: 4px 4px 0 var(--border-color);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            transition: all 0.2s ease;
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--border-color);
        }

        .float-btn-wechat {
            background: var(--primary-green);
        }

        .float-qr-pop {
            display: none;
            position: absolute;
            bottom: 70px;
            right: 0;
            background: #fff;
            border: var(--border-thick) solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: var(--card-shadow);
            text-align: center;
            width: 170px;
        }

        .float-qr-pop img {
            width: 130px;
            height: 130px;
            margin-bottom: 8px;
        }

        .float-btn-wechat:hover .float-qr-pop {
            display: block;
        }

        /* 动画库 */
        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            h1.hero-title { font-size: 2.2rem; }
            .about-grid, .network-grid, .contact-grid { grid-template-columns: 1fr; }
            .process-steps { flex-direction: column; gap: 30px; }
            .step-item::after { display: none; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 79px;
                left: 0;
                right: 0;
                background: #FAF8F5;
                border-bottom: var(--border-thick) solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--card-shadow);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .doodle-title { font-size: 1.6rem; }
        }