:root {
            --primary-candy: #FF6B8B;
            --secondary-candy: #4D96FF;
            --accent-candy: #6BCB77;
            --warning-candy: #FFD93D;
            --bg-candy-light: #F9F9FB;
            --text-dark: #2D3748;
            --text-muted: #718096;
            --border-color: #EDF2F7;
            --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
            --gradient-candy: linear-gradient(135deg, #FF6B8B 0%, #FF8E53 50%, #4D96FF 100%);
            --gradient-soft: linear-gradient(135deg, #FFF0F5 0%, #E6F2FF 100%);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-candy-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-candy), var(--secondary-candy));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

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

        .nav-btn {
            display: inline-block;
            background: var(--gradient-candy);
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 107, 139, 0.3);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 139, 0.4);
        }

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* 移动端菜单激活状态 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                gap: 15px;
                text-align: center;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .nav-btn {
                display: none;
            }
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 160px 0 100px;
            background: var(--gradient-soft);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 107, 139, 0.15);
            border-radius: 50%;
            top: -100px;
            left: -100px;
            filter: blur(50px);
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(77, 150, 255, 0.15);
            border-radius: 50%;
            bottom: -150px;
            right: -100px;
            filter: blur(60px);
        }

        .hero-tag {
            display: inline-block;
            background: rgba(255, 107, 139, 0.1);
            color: var(--primary-candy);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 107, 139, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        h1.hero-title {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-dark);
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--gradient-candy);
            color: #fff;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: bold;
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.35);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 107, 139, 0.45);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-dark);
            border: 2px solid var(--border-color);
            padding: 13px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: bold;
            transition: all 0.2s;
        }

        .btn-secondary:hover {
            background: var(--bg-candy-light);
            border-color: var(--text-dark);
        }

        /* 统一大板块样式 */
        section {
            padding: 80px 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            border-radius: 2px;
            background: var(--gradient-candy);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 糖果卡片通用 */
        .candy-card {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border: 2px solid transparent;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        }

        .candy-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .candy-card-blue:hover { border-color: var(--secondary-candy); }
        .candy-card-pink:hover { border-color: var(--primary-candy); }
        .candy-card-green:hover { border-color: var(--accent-candy); }
        .candy-card-yellow:hover { border-color: var(--warning-candy); }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            text-align: center;
            background: #fff;
            padding: 25px;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.03);
            border-bottom: 4px solid var(--secondary-candy);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-candy);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: bold;
        }

        /* 关于我们与平台介绍 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr;
            }
        }

        .intro-badge {
            display: inline-block;
            background: #E6F2FF;
            color: var(--secondary-candy);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .intro-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .intro-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-candy);
            font-weight: 800;
        }

        /* 服务能力 / AIGC制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .icon-box {
            width: 60px;
            height: 60px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .icon-pink { background-color: #FFF0F5; color: var(--primary-candy); }
        .icon-blue { background-color: #E6F2FF; color: var(--secondary-candy); }
        .icon-green { background-color: #EEFBEF; color: var(--accent-candy); }
        .icon-yellow { background-color: #FFFDF0; color: var(--warning-candy); }

        /* 标签云 */
        .tags-wrapper {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            background: #EDF2F7;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-dark);
            transition: all 0.2s;
        }

        .tag-pill:hover {
            background: var(--gradient-candy);
            color: #fff;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            background: #fff;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: #F7FAFC;
            font-weight: 700;
            color: var(--text-dark);
        }

        .comparison-table tr:hover td {
            background-color: rgba(230, 242, 255, 0.4);
        }

        .highlight-col {
            background-color: rgba(255, 107, 139, 0.03);
            font-weight: 600;
        }

        /* 流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .step-card {
            position: relative;
            text-align: center;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-candy);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: 0 5px 15px rgba(255, 107, 139, 0.3);
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #EDF2F7;
            position: relative;
        }

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

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

        .case-content {
            padding: 25px;
        }

        /* 评价卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border-top: 4px solid var(--accent-candy);
        }

        .review-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--secondary-candy);
        }

        /* 需求匹配表单与加盟代理 */
        .split-section {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        @media (max-width: 768px) {
            .split-section {
                grid-template-columns: 1fr;
            }
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            background: #F7FAFC;
            transition: all 0.3s;
            font-size: 0.95rem;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-candy);
            background: #fff;
        }

        .submit-btn {
            background: var(--gradient-candy);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            transition: box-shadow 0.2s;
        }

        .submit-btn:hover {
            box-shadow: 0 8px 20px rgba(255, 107, 139, 0.4);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: 15px;
            margin-bottom: 15px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.2s;
        }

        .faq-question:hover {
            background-color: var(--bg-candy-light);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease-out;
            color: var(--text-muted);
            border-top: 0 solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
            border-top-width: 1px;
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-candy);
        }

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

        /* 百科与资讯 */
        .wiki-section {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            margin-bottom: 40px;
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .wiki-term h4 {
            color: var(--secondary-candy);
            margin-bottom: 8px;
        }

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

        .article-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .article-list li a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: color 0.2s;
        }

        .article-list li a:hover {
            color: var(--primary-candy);
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: transform 0.2s;
        }

        .float-btn:hover {
            transform: scale(1.08);
        }

        .float-btn-primary {
            background: var(--gradient-candy);
            color: #fff;
        }

        .qr-popover {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }

        .qr-popover img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .qr-popover p {
            font-size: 0.75rem;
            color: var(--text-dark);
            font-weight: bold;
        }

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

        /* 页脚 */
        footer {
            background-color: #1A202C;
            color: #A0AEC0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .footer-title {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #A0AEC0;
            text-decoration: none;
            transition: color 0.2s;
        }

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

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

        .friendship-links a {
            color: #718096;
            text-decoration: none;
            font-size: 0.8rem;
            background: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 12px;
            transition: all 0.2s;
        }

        .friendship-links a:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }

        .footer-bottom {
            border-top: 1px solid #2D3748;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .ai-page-home-link {
            color: var(--secondary-candy);
            text-decoration: none;
            font-weight: bold;
        }

        .ai-page-home-link:hover {
            text-decoration: underline;
        }