:root {
            --primary: #ff6b8b;
            --primary-light: #ffa6c9;
            --secondary: #4ea8de;
            --accent: #ffb703;
            --accent-green: #06d6a0;
            --dark: #2b2d42;
            --light-bg: #fdfbf7;
            --card-bg: #ffffff;
            --text-muted: #6c757d;
            --border-radius: 16px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 统一容器结构 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #ffeff3;
            box-shadow: 0 4px 20px rgba(255, 107, 139, 0.05);
        }

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

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

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

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        nav a {
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

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

        .btn-nav {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(255, 107, 139, 0.2);
        }

        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(255, 107, 139, 0.3);
            color: white;
        }

        /* 移动端菜单控制 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 首屏 Hero - 无图片，缤纷糖果科技风 */
        .hero-section {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 183, 3, 0.1) 0%, rgba(78, 168, 222, 0.1) 90%), #ffffff;
            position: relative;
            overflow: hidden;
            text-align: center;
            border-bottom: 3px dashed rgba(255, 107, 139, 0.15);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50px;
            left: -50px;
            width: 150px;
            height: 150px;
            background: var(--primary-light);
            border-radius: 50%;
            filter: blur(60px);
            opacity: 0.6;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: var(--secondary);
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.4;
        }

        .hero-h1 {
            font-size: 38px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--dark);
            max-width: 800px;
            margin: 0 auto 35px;
            font-weight: 500;
            opacity: 0.9;
        }

        .hero-tagline {
            display: inline-block;
            background-color: rgba(6, 214, 160, 0.15);
            color: var(--accent-green);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 25px;
            border: 1px solid rgba(6, 214, 160, 0.3);
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.3);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 107, 139, 0.4);
            color: white;
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--dark);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
            border: 2px solid #ffe3e8;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 通用标题规范 */
        section {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 6px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
            margin: 8px auto 0;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .stats-card {
            background: var(--card-bg);
            border: 2px solid #f0f3f6;
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .stats-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-light);
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.08);
        }

        .stats-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stats-title {
            font-size: 14px;
            color: var(--dark);
            font-weight: 600;
        }

        /* 全平台 AIGC 服务 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--card-bg);
            border: 2px solid #f2f7f9;
            border-radius: var(--border-radius);
            padding: 30px;
            position: relative;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 12px 30px rgba(78, 168, 222, 0.1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .icon-magenta { background: #ffeef2; color: var(--primary); }
        .icon-blue { background: #e8f5ff; color: var(--secondary); }
        .icon-yellow { background: #fff8e5; color: var(--accent); }
        .icon-green { background: #e5faf2; color: var(--accent-green); }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 标签云 - 支持平台 */
        .platform-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .platform-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            background: #ffffff;
            border: 1px solid #eef2f5;
            color: var(--dark);
            transition: var(--transition);
        }

        .platform-tag:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            color: white;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 一站式 AIGC 制作 & 场景 */
        .about-section {
            background-color: #fff9fa;
        }

        .twocol-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .twocol-image-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .twocol-image-container img {
            border-radius: var(--border-radius);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            width: 100%;
            object-fit: cover;
            border: 3px solid #ffffff;
        }

        .twocol-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .twocol-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        /* 流程步骤 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-item {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 2px solid #f0f4f8;
            text-align: center;
            position: relative;
        }

        .flow-num {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 30px;
            background: var(--accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            border: 2px solid #ffffff;
        }

        .flow-item h4 {
            margin-top: 10px;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 解决方案 & 技术标准 */
        .solution-section {
            background-color: #f7fbff;
        }

        .card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .grid-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 1.5px solid #eef3f7;
        }

        .grid-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 对比评测 - 必须包含 */
        .compare-table-wrapper {
            overflow-x: auto;
            background: var(--card-bg);
            border-radius: var(--border-radius);
            border: 2px solid #ffeef1;
            box-shadow: 0 6px 18px rgba(255, 107, 139, 0.03);
            margin-bottom: 40px;
        }

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

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid #f6f8fb;
            font-size: 14px;
        }

        th {
            background-color: #fff4f6;
            color: var(--dark);
            font-weight: 700;
        }

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

        .badge-pro {
            background-color: var(--primary);
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 700;
        }

        .badge-other {
            background-color: #eef2f5;
            color: var(--text-muted);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
        }

        .evaluation-highlight {
            background: linear-gradient(135deg, #fff2f5, #e8f5ff);
            border-radius: var(--border-radius);
            padding: 30px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            border: 2px dashed var(--primary-light);
        }

        .highlight-item {
            text-align: center;
        }

        .highlight-val {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
        }

        .highlight-lbl {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 培训版块 */
        .training-section {
            background: #fffdf5;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--card-bg);
            border: 2px solid #fff5d1;
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 8px 20px rgba(255, 183, 3, 0.15);
        }

        .training-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .training-card h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        /* 需求匹配表单 */
        .form-section {
            background: linear-gradient(135deg, #f3f9fc, #fff8f9);
        }

        .form-container {
            max-width: 650px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: var(--border-radius);
            padding: 40px;
            border: 2px solid #eef4f8;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

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

        .form-label {
            display: block;
            margin-bottom: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 2px solid #edf2f7;
            background-color: #f7fafc;
            color: var(--dark);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--secondary);
            background-color: #ffffff;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 10px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 6px 15px rgba(255, 107, 139, 0.25);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 139, 0.35);
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        details {
            background: var(--card-bg);
            border: 2px solid #f1f4f8;
            border-radius: 12px;
            padding: 16px 20px;
            cursor: pointer;
            transition: var(--transition);
        }

        details[open] {
            border-color: var(--primary-light);
            box-shadow: 0 4px 15px rgba(255, 107, 139, 0.05);
        }

        summary {
            font-weight: 700;
            font-size: 15px;
            outline: none;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: "+";
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

        details[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            margin-top: 12px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 24px;
            border: 2px solid #f6eff1;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

        .review-text {
            font-size: 14px;
            color: var(--dark);
            margin-bottom: 15px;
            font-style: italic;
        }

        .review-author {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
        }

        .review-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 文章列表与友情链接 */
        .links-section {
            background-color: #f7fafc;
            border-top: 2px solid #eef2f5;
        }

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

        .links-block h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 8px;
        }

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

        .links-block li a {
            font-size: 14px;
            color: var(--text-muted);
        }

        .links-block li a:hover {
            color: var(--primary);
        }

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

        .friendship-links a {
            background: #ffffff;
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 13px;
            border: 1px solid #eef2f5;
            color: var(--text-muted);
        }

        .friendship-links a:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        /* 页脚区域 */
        footer {
            background-color: #1a1c23;
            color: #a0aec0;
            padding: 60px 0 30px;
            font-size: 14px;
        }

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

        .footer-brand h5 {
            color: white;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .footer-brand p {
            margin-bottom: 15px;
            line-height: 1.8;
        }

        .footer-col h5 {
            color: white;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .footer-col a {
            color: #a0aec0;
        }

        .footer-col a:hover {
            color: white;
        }

        .footer-qr {
            text-align: center;
        }

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

        .footer-bottom {
            border-top: 1px solid #2d3748;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
        }

        /* 侧边悬浮窗口 */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 48px;
            height: 48px;
            background: #ffffff;
            border: 2px solid #ffeef1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

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

        .float-item svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .float-qr-hover {
            display: none;
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            border: 1.5px solid #ffeef1;
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
            display: block;
        }

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-wrapper { position: relative; }
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                box-shadow: 0 8px 16px rgba(0,0,0,0.05);
                border-bottom: 2px solid #ffeef1;
            }
            nav.active { display: block; }
            nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .menu-toggle { display: flex; }
            
            .hero-h1 { font-size: 28px; }
            .twocol-grid { grid-template-columns: 1fr; gap: 30px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: 1fr; }
            .flow-grid { grid-template-columns: 1fr; }
            .card-row { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: 1fr; }
            .links-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }