:root {
            --primary: #ff4757;
            --secondary: #2ed573;
            --accent: #ffa502;
            --info: #1e90ff;
            --dark: #1e272e;
            --light: #f1f2f6;
            --white: #ffffff;
            --graffiti-yellow: #fff200;
            --shadow-color: rgba(30, 39, 46, 0.15);
            --neon-border: 3px solid #1e272e;
            --rough-radius: 12px 4px 12px 4px/4px 12px 4px 12px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
        }

        body {
            background-color: #f7f9fa;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(var(--graffiti-yellow) 10%, transparent 11%),
                radial-gradient(var(--primary) 10%, transparent 11%);
            background-size: 60px 60px;
            background-position: 0 0, 30px 30px;
            background-attachment: fixed;
            opacity: 0.98;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 粗边框与涂鸦感卡片通用样式 */
        .graffiti-card {
            background: var(--white);
            border: var(--neon-border);
            border-radius: var(--rough-radius);
            box-shadow: 6px 6px 0px var(--dark);
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            overflow: hidden;
        }

        .graffiti-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0px var(--dark);
        }

        /* 标题风格 */
        h1, h2, h3, h4 {
            font-weight: 900;
            color: var(--dark);
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            padding: 10px 20px;
            background: var(--accent);
            border: var(--neon-border);
            border-radius: var(--rough-radius);
            box-shadow: 4px 4px 0px var(--dark);
        }

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 800;
            font-size: 1rem;
            text-decoration: none;
            color: var(--dark);
            background: var(--graffiti-yellow);
            border: var(--neon-border);
            border-radius: var(--rough-radius);
            box-shadow: 4px 4px 0px var(--dark);
            cursor: pointer;
            transition: all 0.2s ease;
        }

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

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

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-secondary {
            background: var(--secondary);
            color: var(--dark);
        }

        /* 导航栏 */
        header {
            background: var(--white);
            border-bottom: var(--neon-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }

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

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

        .ai-page-logo {
            height: 45px;
            object-fit: contain;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 15px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 5px 10px;
            border-radius: 4px;
            transition: background 0.2s;
        }

        .nav-links a:hover {
            background: var(--graffiti-yellow);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero首屏 - 严格无图 */
        .hero {
            padding: 80px 0;
            background: radial-gradient(circle at 10% 20%, rgb(255, 197, 120) 0%, rgb(251, 107, 169) 90.7%);
            border-bottom: var(--neon-border);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "CREATIVE";
            position: absolute;
            font-size: 10rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.15);
            top: -20px;
            left: -20px;
            pointer-events: none;
            user-select: none;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            background: var(--dark);
            color: var(--white);
            display: inline-block;
            padding: 6px 16px;
            font-weight: 800;
            border-radius: 30px;
            margin-bottom: 20px;
            text-transform: uppercase;
            font-size: 0.85rem;
            transform: rotate(-2deg);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 25px;
            text-shadow: 3px 3px 0px var(--graffiti-yellow);
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 35px;
            font-weight: 600;
        }

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

        /* 数据指标卡片 */
        .stats-section {
            margin-top: -40px;
            position: relative;
            z-index: 10;
            margin-bottom: 60px;
        }

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

        .stat-card {
            padding: 30px 20px;
            text-align: center;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .stat-label {
            font-weight: 700;
            color: var(--dark);
        }

        /* 关于我们与平台介绍 */
        .section-padding {
            padding: 80px 0;
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            margin-bottom: 15px;
            font-size: 1.05rem;
            color: #333;
        }

        .about-features {
            list-style: none;
            margin-top: 25px;
        }

        .about-features li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .about-features li::before {
            content: "⚡";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-size: 1.2rem;
        }

        /* 全平台AIGC服务与模型聚合 */
        .services-section {
            background: #fff;
            border-top: var(--neon-border);
            border-bottom: var(--neon-border);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
            padding: 20px;
            background: var(--light);
            border: var(--neon-border);
            border-radius: var(--rough-radius);
        }

        .tag-item {
            padding: 6px 14px;
            background: var(--white);
            border: 2px solid var(--dark);
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

        .tag-item:hover {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.05) rotate(-2deg);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .service-card {
            padding: 30px;
            position: relative;
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        /* 行业解决方案与制作流 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .solution-card {
            padding: 25px;
            border-left: 6px solid var(--primary);
        }

        /* 标准化步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .step-card {
            padding: 30px 20px;
            position: relative;
            text-align: center;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%) rotate(-5deg);
            background: var(--primary);
            color: var(--white);
            padding: 5px 15px;
            font-weight: 900;
            border: var(--neon-border);
            border-radius: 4px;
        }

        /* 技术标准 */
        .standards-section {
            background: #fff;
            border-top: var(--neon-border);
            border-bottom: var(--neon-border);
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            margin-top: 40px;
            border: var(--neon-border);
            border-radius: var(--rough-radius);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border: 1px solid #ddd;
        }

        .comparison-table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 800;
        }

        .comparison-table tr:nth-child(even) {
            background: var(--light);
        }

        .recommend-badge {
            background: var(--graffiti-yellow);
            padding: 5px 10px;
            border: 2px solid var(--dark);
            font-weight: 900;
            border-radius: 4px;
            display: inline-block;
        }

        /* Token比价与参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .price-card {
            padding: 30px;
            border-top: 8px solid var(--accent);
        }

        .price-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .price-tag {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
        }

        /* 培训体系 */
        .training-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .training-card {
            padding: 35px;
        }

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

        .training-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #ccc;
            font-weight: 700;
        }

        /* 客户案例 - 包含图片展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            display: flex;
            flex-direction: column;
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            border-bottom: var(--neon-border);
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-body {
            padding: 20px;
            flex-grow: 1;
        }

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

        .comment-card {
            padding: 25px;
            background: var(--white);
            position: relative;
        }

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

        .comment-avatar {
            width: 50px;
            height: 50px;
            background: var(--accent);
            border: 2px solid var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
        }

        .comment-info h4 {
            font-size: 1rem;
        }

        .comment-info span {
            font-size: 0.8rem;
            color: #777;
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 40px auto 0 auto;
        }

        .faq-item {
            margin-bottom: 15px;
        }

        .faq-btn {
            width: 100%;
            text-align: left;
            padding: 20px;
            font-size: 1.1rem;
            font-weight: 800;
            background: var(--white);
            border: var(--neon-border);
            border-radius: var(--rough-radius);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.2s;
        }

        .faq-btn:hover {
            background: var(--graffiti-yellow);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--light);
            border-left: var(--neon-border);
            border-right: var(--neon-border);
            border-radius: 0 0 8px 8px;
        }

        .faq-content-inner {
            padding: 20px;
            font-size: 1rem;
            color: #333;
        }

        .faq-item.active .faq-content {
            max-height: 500px;
            border-bottom: var(--neon-border);
        }

        /* 自助排查与术语 */
        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        /* 知识库/文章列表 */
        .article-section {
            background: var(--white);
            border-top: var(--neon-border);
            border-bottom: var(--neon-border);
        }

        .article-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .article-item a {
            display: block;
            padding: 20px;
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            border: 2px solid var(--dark);
            border-radius: 6px;
            transition: all 0.2s;
        }

        .article-item a:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        /* 表单与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-qr-box {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

        .qr-card {
            text-align: center;
            width: 150px;
        }

        .qr-card img {
            width: 100%;
            border: 2px solid var(--dark);
            border-radius: 8px;
        }

        .qr-card p {
            margin-top: 8px;
            font-weight: 700;
            font-size: 0.9rem;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .form-group label {
            font-weight: 700;
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px;
            border: var(--neon-border);
            border-radius: 6px;
            font-size: 1rem;
            outline: none;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
        }

        /* 友情链接与页脚 */
        footer {
            background: var(--dark);
            color: var(--white);
            padding: 60px 0 30px 0;
            border-top: var(--neon-border);
        }

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

        .footer-logo img {
            height: 40px;
            
            margin-bottom: 20px;
        }

        .footer-links-col h4 {
            color: var(--graffiti-yellow);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

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

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

        .friend-links {
            padding: 20px 0;
            border-top: 1px solid #444;
            border-bottom: 1px solid #444;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.9rem;
        }

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

        .friend-links a:hover {
            color: var(--graffiti-yellow);
        }

        .copyright-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: #aaa;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* 浮动组件 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--graffiti-yellow);
            border: 2px solid var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            color: var(--dark);
            box-shadow: 3px 3px 0px var(--dark);
            transition: all 0.2s;
            cursor: pointer;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--dark);
        }

        .float-qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            border: 2px solid var(--dark);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 4px 4px 0px var(--dark);
            display: none;
            width: 120px;
            text-align: center;
        }

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

        .float-qr-popup img {
            width: 100%;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .about-grid, .training-container, .trouble-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                border-top: var(--neon-border);
                border-bottom: var(--neon-border);
                padding: 20px;
                box-shadow: 0 4px 6px var(--shadow-color);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
        }