:root {
            --primary-color: #6C5CE7;
            --primary-dark: #4B38B3;
            --secondary-color: #FF7675;
            --accent-yellow: #FDCB6E;
            --accent-green: #00B894;
            --accent-blue: #0984E3;
            --bg-main: #FBFBFE;
            --bg-card: #FFFFFF;
            --text-dark: #2D3436;
            --text-muted: #636E72;
            --border-color: #DFE6E9;
            --box-shadow-graffiti: 4px 4px 0px #2D3436;
            --box-shadow-soft: 0 10px 30px rgba(108, 92, 231, 0.08);
            --radius-main: 16px;
            --radius-btn: 50px;
            --container-width: 1200px;
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 15%, rgba(108, 92, 231, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 85% 85%, rgba(255, 118, 117, 0.05) 0%, transparent 40%);
        }

        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

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

        /* 顶部导航 Header */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 3px solid var(--text-dark);
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

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

        .ai-page-logo {
            max-height: 48px;
            width: auto;
        }

        .brand-tag {
            background: var(--accent-yellow);
            color: var(--text-dark);
            font-weight: 800;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            border: 2px solid var(--text-dark);
            transform: rotate(-3deg);
            display: inline-block;
        }

        .nav-links {
            display: flex;
            gap: 0;
            align-items: center;
            list-style: none;
        }

        .nav-links li a {
            color: var(--text-dark);
            font-weight: 700;
            font-size: 15px;
            padding: 8px 14px;
            border-radius: 8px;
            display: block;
        }

        .nav-links li a:hover {
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary-color);
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 800;
            border-radius: var(--radius-btn);
            border: 2px solid var(--text-dark);
            cursor: pointer;
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary-color);
            color: #ffffff !important;
            box-shadow: var(--box-shadow-graffiti);
        }

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

        .btn-secondary {
            background: var(--accent-yellow);
            color: var(--text-dark);
            box-shadow: var(--box-shadow-graffiti);
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 2px solid var(--text-dark);
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 20px;
            cursor: pointer;
        }

        /* 统一 Section 样式 */
        section {
            padding: 70px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-badge {
            display: inline-block;
            background: var(--secondary-color);
            color: #fff;
            font-weight: 800;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            border: 2px solid var(--text-dark);
            margin-bottom: 12px;
            box-shadow: 2px 2px 0px var(--text-dark);
            text-transform: uppercase;
        }

        .section-title {
            font-size: 34px;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* 1. Hero 首屏 - 严禁包含图片 */
        .hero-section {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #F9F8FE 0%, #EFF2FE 100%);
            border-bottom: 3px solid var(--text-dark);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-doodle-bg {
            position: absolute;
            top: 10%;
            left: 5%;
            width: 80px;
            height: 80px;
            border: 4px dashed var(--primary-color);
            border-radius: 50%;
            opacity: 0.2;
            animation: spin 20s linear infinite;
        }

        .hero-doodle-bg-2 {
            position: absolute;
            bottom: 10%;
            right: 5%;
            width: 100px;
            height: 100px;
            border: 4px solid var(--secondary-color);
            transform: rotate(45deg);
            opacity: 0.15;
        }

        @keyframes spin { 100% { transform: rotate(360deg); } }

        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-tag-item {
            background: #fff;
            border: 2px solid var(--text-dark);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 14px;
            box-shadow: 3px 3px 0px var(--text-dark);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-title span {
            color: var(--primary-color);
            background: linear-gradient(120deg, rgba(253,203,110,0.4) 0%, rgba(253,203,110,0) 100%);
            padding: 0 6px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 860px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-hero-main {
            font-size: 18px;
            padding: 14px 38px;
            background: #FF7675;
            color: #fff !important;
        }

        .hero-highlights {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .hero-card {
            background: var(--bg-card);
            border: 2px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 20px;
            box-shadow: var(--box-shadow-graffiti);
            text-align: left;
            transition: transform 0.2s ease;
        }

        .hero-card:hover {
            transform: translateY(-4px);
        }

        .hero-card-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary-color);
            margin-bottom: 4px;
        }

        .hero-card-title {
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 4px;
        }

        .hero-card-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 模块：关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content-box {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 36px;
            box-shadow: 6px 6px 0px var(--accent-blue);
        }

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

        .about-feature-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .about-feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-green);
            font-weight: 900;
            font-size: 18px;
        }

        /* 模块：AIGC服务与算法引擎 (模型标签云) */
        .model-tags-container {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 30px;
            box-shadow: var(--box-shadow-graffiti);
        }

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

        .model-chip {
            background: #F1F2F6;
            border: 2px solid var(--text-dark);
            padding: 8px 18px;
            border-radius: 25px;
            font-weight: 800;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .model-chip:nth-child(3n+1) { background: #FFEAA7; }
        .model-chip:nth-child(3n+2) { background: #FAB1A0; }
        .model-chip:nth-child(3n+3) { background: #81ECEC; }

        .model-chip:hover {
            transform: scale(1.08) rotate(-2deg);
            box-shadow: 3px 3px 0px var(--text-dark);
        }

        /* 模块：一站式制作能力 (30+场景) */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 24px;
            box-shadow: var(--box-shadow-graffiti);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            position: relative;
        }

        .feature-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: 7px 7px 0px var(--text-dark);
        }

        .feature-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-yellow);
            font-size: 11px;
            font-weight: 800;
            padding: 2px 8px;
            border-radius: 10px;
            border: 1px solid var(--text-dark);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 对比评测表格 */
        .review-box {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 30px;
            box-shadow: 8px 8px 0px var(--primary-color);
            margin-bottom: 40px;
        }

        .review-score-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #F8F9FA;
            border: 2px solid var(--text-dark);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .stars {
            color: #FDCB6E;
            font-size: 24px;
            letter-spacing: 4px;
        }

        .score-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--secondary-color);
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .compare-table th, .compare-table td {
            padding: 16px;
            border: 2px solid var(--text-dark);
        }

        .compare-table th {
            background: var(--accent-yellow);
            font-weight: 900;
            font-size: 16px;
        }

        .compare-table tr:nth-child(even) {
            background: #F9F9FB;
        }

        .compare-highlight {
            background: rgba(108, 92, 231, 0.08) !important;
            font-weight: 800;
            color: var(--primary-dark);
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .token-card {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 24px;
            box-shadow: var(--box-shadow-graffiti);
            position: relative;
        }

        .token-price {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-green);
            margin: 10px 0;
        }

        /* 标准流程 */
        .timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--text-dark);
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--secondary-color);
            color: #fff;
            font-weight: 900;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--text-dark);
            margin-bottom: 14px;
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .case-card {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            overflow: hidden;
            box-shadow: var(--box-shadow-graffiti);
        }

        .case-img-wrap {
            width: 100%;
            border-bottom: 3px solid var(--text-dark);
            background: #eee;
        }

        .case-content {
            padding: 20px;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .user-review-card {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 24px;
            box-shadow: var(--box-shadow-graffiti);
            position: relative;
        }

        .user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .user-avatar-text {
            width: 44px;
            height: 44px;
            background: var(--primary-color);
            color: #fff;
            font-weight: 900;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--text-dark);
        }

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

        .faq-item {
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 4px 4px 0px var(--text-dark);
        }

        .faq-header {
            padding: 20px;
            font-weight: 800;
            font-size: 17px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            user-select: none;
        }

        .faq-icon {
            font-size: 20px;
            transition: transform 0.3s ease;
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            background: #F9F9FB;
            padding: 0 20px;
            border-top: 0px solid transparent;
            font-size: 15px;
            color: var(--text-muted);
        }

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

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

        /* 表单与联系 */
        .contact-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: #fff;
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--accent-green);
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--text-dark);
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            background: #FAFBFD;
        }

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

        textarea.form-control {
            height: 110px;
            resize: vertical;
        }

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

        .contact-info-list li {
            margin-bottom: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .qr-box {
            margin-top: 20px;
            text-align: center;
            background: #F1F2F6;
            padding: 16px;
            border-radius: 12px;
            border: 2px solid var(--text-dark);
            display: inline-block;
        }

        .qr-box img {
            max-width: 160px;
            height: auto;
            border: 2px solid var(--text-dark);
            border-radius: 8px;
        }

        /* 加盟代理 */
        .franchise-banner {
            background: linear-gradient(135deg, #FFEAA7 0%, #FAB1A0 100%);
            border: 3px solid var(--text-dark);
            border-radius: var(--radius-main);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--text-dark);
            text-align: center;
        }

        /* 页脚 Footer */
        footer {
            background: #2D3436;
            color: #DFE6E9;
            padding: 60px 0 30px;
            border-top: 4px solid var(--text-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .footer-col p {
            font-size: 14px;
            color: #B2BEC3;
            line-height: 1.7;
        }

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

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

        .footer-links a {
            color: #B2BEC3;
            font-size: 14px;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .friend-links a {
            color: #FDCB6E;
            font-size: 14px;
            background: rgba(255,255,255,0.08);
            padding: 4px 10px;
            border-radius: 6px;
        }

        .copyright-bar {
            border-top: 1px solid #485460;
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: #999;
        }

        /* 悬浮客服 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent-yellow);
            border: 2px solid var(--text-dark);
            box-shadow: 3px 3px 0px var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            cursor: pointer;
            color: var(--text-dark);
            transition: transform 0.2s ease;
        }

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

        /* 文章区块 */
        .article-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .article-card {
            background: #fff;
            border: 2px solid var(--text-dark);
            border-radius: 12px;
            padding: 18px;
            box-shadow: 4px 4px 0px var(--text-dark);
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .about-grid, .contact-box {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 3px solid var(--text-dark);
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 26px;
            }
        }