/* CSS reset & base settings */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        :root {
            --bg-color: #fbf9f3;
            --text-color: #111111;
            --primary-yellow: #ffd54f;
            --primary-blue: #3b82f6;
            --primary-red: #f43f5e;
            --primary-purple: #8b5cf6;
            --primary-green: #10b981;
            --border-color: #111111;
            --card-shadow: 6px 6px 0px #111111;
            --btn-shadow: 4px 4px 0px #111111;
        }

        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: inherit;
            text-decoration: none;
        }

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

        /* Brutalism / Multi-color doodle style general classes */
        .neo-border {
            border: 3px solid var(--border-color);
        }

        .neo-card {
            background: #ffffff;
            border: 3px solid var(--border-color);
            box-shadow: var(--card-shadow);
            border-radius: 12px;
            padding: 24px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .neo-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: 9px 9px 0px var(--border-color);
        }

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

        .btn-neo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 800;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            box-shadow: var(--btn-shadow);
            cursor: pointer;
            transition: all 0.15s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

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

        .btn-yellow { background-color: var(--primary-yellow); color: #000; }
        .btn-blue { background-color: var(--primary-blue); color: #fff; }
        .btn-red { background-color: var(--primary-red); color: #fff; }

        section {
            padding: 80px 0;
            border-bottom: 3px solid var(--border-color);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            background: linear-gradient(120deg, var(--primary-yellow) 0%, var(--primary-yellow) 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 80%;
            padding: 0 8px;
        }

        /* Header / Navigation */
        header {
            background-color: #ffffff;
            border-bottom: 3px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 15px 0;
        }

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

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: -0.5px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a {
            font-weight: 700;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 6px;
            border: 2px solid transparent;
            transition: all 0.15s ease;
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: 2px solid var(--border-color);
            padding: 6px;
            border-radius: 4px;
            background: var(--primary-yellow);
        }

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

        /* Hero首屏 - 多彩涂鸦抽象无图设计 */
        .hero {
            background-color: #faf6eb;
            background-image: 
                radial-gradient(var(--primary-blue) 10%, transparent 11%),
                radial-gradient(var(--primary-red) 10%, transparent 11%);
            background-size: 30px 30px;
            background-position: 0 0, 15px 15px;
            position: relative;
            padding: 100px 0;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            background: #ffffff;
            border: 4px solid var(--border-color);
            box-shadow: 10px 10px 0px var(--border-color);
            border-radius: 16px;
            padding: 60px 40px;
        }

        .hero-h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-color);
        }

        .hero-desc {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 35px;
            color: #4b5563;
        }

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

        .hero-decorations {
            position: absolute;
            top: 10%;
            left: 5%;
            font-size: 5rem;
            opacity: 0.15;
            user-select: none;
        }

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

        .stat-card {
            text-align: center;
            background: #fff;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            padding: 30px 20px;
            box-shadow: var(--card-shadow);
        }

        .stat-value {
            font-size: 2.8rem;
            font-weight: 900;
            margin-bottom: 8px;
            color: var(--primary-red);
        }

        .stat-label {
            font-weight: 700;
            font-size: 1.1rem;
            color: #4b5563;
        }

        /* 平台介绍 & 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;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .about-list {
            list-style: none;
            margin-top: 20px;
        }

        .about-list li {
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
            font-weight: 600;
        }

        .about-list li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: var(--primary-red);
            font-size: 1.2rem;
        }

        /* 全平台AIGC服务 (支持的30个模型聚合) */
        .model-cloud-container {
            background-color: #f3f0e8;
            border-radius: 12px;
            border: 3px solid var(--border-color);
            padding: 30px;
        }

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

        .model-badge {
            background: #ffffff;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            box-shadow: 2px 2px 0px var(--border-color);
            cursor: default;
            transition: all 0.1s ease;
        }

        .model-badge:hover {
            transform: scale(1.05);
            background-color: var(--primary-blue);
            color: #ffffff;
        }

        /* 一站式AIGC制作 & 场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

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

        .scene-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        .scene-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        /* 全行业解决方案 & 服务网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        /* 时间线 / 标准流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 6px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-badge {
            position: absolute;
            top: 25px;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-yellow);
            border: 3px solid var(--border-color);
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -15px;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -15px;
        }

        .timeline-panel {
            background: #fff;
            border: 3px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 4px 4px 0px var(--border-color);
        }

        /* 对比评测表格与比价 */
        .compare-wrapper {
            overflow-x: auto;
        }

        table.compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border: 3px solid var(--border-color);
            box-shadow: var(--card-shadow);
            border-radius: 12px;
            overflow: hidden;
        }

        table.compare-table th, table.compare-table td {
            border: 2px solid var(--border-color);
            padding: 16px;
            text-align: center;
            font-weight: 700;
        }

        table.compare-table th {
            background-color: var(--primary-yellow);
            font-size: 1.1rem;
        }

        table.compare-table tr:hover {
            background-color: #faf6eb;
        }

        /* 案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            overflow: hidden;
            background: #fff;
        }

        .case-img-wrapper {
            position: relative;
            border-bottom: 3px solid var(--border-color);
            background: #e5e7eb;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .case-info {
            padding: 20px;
        }

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

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

        .comment-quote {
            font-size: 1.5rem;
            color: var(--primary-red);
            font-weight: bold;
            line-height: 1;
            margin-bottom: 10px;
        }

        .comment-text {
            font-size: 0.95rem;
            font-weight: 600;
            color: #374151;
            margin-bottom: 15px;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 0.9rem;
            border-top: 2px dashed #e5e7eb;
            padding-top: 12px;
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .training-card {
            background: #fff;
            text-align: center;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--card-shadow);
        }

        .training-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
        }

        /* FAQ折叠面板 */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            box-shadow: 3px 3px 0px var(--border-color);
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-question {
            padding: 20px;
            font-weight: 800;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background-color: #fff;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 900;
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease-out;
            background-color: #fafaf9;
            border-top: 0px solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            border-top: 2px dashed var(--border-color);
        }

        .faq-answer-inner {
            padding: 20px;
            font-weight: 600;
            color: #4b5563;
        }

        /* 表单区域 */
        .form-section {
            background-color: #f0fdf4;
            background-image: radial-gradient(var(--primary-green) 15%, transparent 16%);
            background-size: 20px 20px;
        }

        .form-wrapper {
            max-width: 700px;
            margin: 0 auto;
            background: #fff;
            padding: 40px;
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            font-weight: 600;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            background-color: #fff;
            transition: border-color 0.2s;
        }

        .form-control:focus {
            background-color: #fefce8;
        }

        /* 文章列表与资讯 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .article-card {
            background: #fff;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .article-meta {
            font-size: 0.85rem;
            font-weight: 700;
            color: #6b7280;
            margin-top: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 页脚与友情链接 */
        footer {
            background-color: #111111;
            color: #ffffff;
            padding: 60px 0 30px 0;
            font-size: 0.95rem;
            border-top: 4px solid var(--border-color);
        }

        footer a {
            color: #d1d5db;
            transition: color 0.2s;
        }

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

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

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: var(--primary-yellow);
        }

        .footer-links-group h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: #fff;
            border-left: 4px solid var(--primary-yellow);
            padding-left: 10px;
        }

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

        .friend-links-area {
            border-top: 1px dashed #374151;
            padding-top: 25px;
            margin-top: 25px;
        }

        .friend-links-area a {
            margin-right: 15px;
            display: inline-block;
        }

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #9ca3af;
        }

        /* 悬浮客服面板 */
        .float-panel {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-yellow);
            border: 3px solid var(--border-color);
            box-shadow: 3px 3px 0px var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: all 0.15s ease;
        }

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

        .float-item svg {
            width: 24px;
            height: 24px;
        }

        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 150px;
            background: #fff;
            border: 3px solid var(--border-color);
            box-shadow: var(--card-shadow);
            border-radius: 8px;
            padding: 10px;
            display: none;
            text-align: center;
        }

        .qr-popover img {
            width: 100%;
            height: auto;
            border: 1px solid #eee;
        }

        .qr-popover p {
            font-size: 0.75rem;
            margin-top: 5px;
            font-weight: 800;
            color: #000;
        }

        .float-item:hover .qr-popover {
            display: block;
        }

        /* Responsive adaptation */
        @media (max-width: 992px) {
            .about-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #fff;
                border-bottom: 3px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }

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

            .hamburger {
                display: flex;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
            }

            .timeline-item:nth-child(odd) {
                text-align: left;
            }

            .timeline-item:nth-child(odd) .timeline-badge,
            .timeline-item:nth-child(even) .timeline-badge {
                left: 5px;
            }

            .timeline-item:nth-child(even) {
                left: 0;
            }
        }