/* 基础重置与全局变量 */
        :root {
            --primary: #8B5CF6; /* 高饱和科技紫 */
            --secondary: #EC4899; /* 高饱和艳丽粉 */
            --accent: #00F0FF; /* 霓虹亮蓝 */
            --dark: #0F172A; /* 墨黑正文 */
            --light-bg: #F8FAFC; /* 浅暖基底色 */
            --text-main: #1E293B; /* 正文深灰 */
            --text-muted: #64748B; /* 辅助灰 */
            --border-color: #E2E8F0;
            --grad-accent: linear-gradient(135deg, #8B5CF6, #EC4899, #00F0FF);
            --shadow-neon: 0 8px 30px rgba(139, 92, 246, 0.15);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-main);
        }

        body {
            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;
        }

        /* 统一标题样式 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 800;
            background: linear-gradient(90deg, #8B5CF6, #EC4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px auto;
            font-size: 1.1rem;
        }

        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            border-bottom: 1px solid rgba(139, 92, 246, 0.1);
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            transition: color 0.3s;
            font-size: 0.95rem;
        }

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

        .nav-btn {
            background: var(--grad-accent);
            color: white !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: bold;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 90% 10%, rgba(236, 72, 153, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(139, 92, 246, 0.08), transparent 40%),
                        #ffffff;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(139, 92, 246, 0.1);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 20px;
            border: 1px solid rgba(139, 92, 246, 0.2);
        }

        h1.hero-title {
            font-size: 3rem;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 900;
        }

        .hero-title span {
            background: var(--grad-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

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

        .btn-primary {
            background: var(--grad-accent);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: bold;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(139, 92, 246, 0.4);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--dark);
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: bold;
            border: 2px solid var(--border-color);
            transition: all 0.3s;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: #ffffff;
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: transform 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #EC4899, #8B5CF6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 关于我们 & 平台介绍 */
        .about-layout {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .about-text {
            flex: 1;
        }

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

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature-item {
            background: #ffffff;
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .about-feature-item h4 {
            color: var(--dark);
            margin-bottom: 8px;
            font-size: 1.05rem;
        }

        .about-feature-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .about-media {
            flex: 1;
            text-align: center;
        }

        .about-media img {
            border-radius: 20px;
            box-shadow: var(--shadow-neon);
            max-width: 100%;
            height: auto;
        }

        /* AIGC 服务卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #ffffff;
            border-radius: 20px;
            padding: 40px 30px;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--grad-accent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(139, 92, 246, 0.1);
            border-color: rgba(139, 92, 246, 0.3);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background: rgba(139, 92, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        /* 一站式AIGC制作 & 解决方案 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .flow-card {
            background: #ffffff;
            padding: 30px 20px;
            border-radius: 16px;
            position: relative;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .flow-step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--grad-accent);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 10px 35px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

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

        th {
            background-color: rgba(139, 92, 246, 0.05);
            color: var(--dark);
            font-weight: 700;
        }

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

        .highlight-row {
            background-color: rgba(139, 92, 246, 0.02);
        }

        .badge-star {
            display: inline-block;
            background: #FFFBEB;
            border: 1px solid #FCD34D;
            color: #D97706;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 0.85rem;
        }

        /* Token比价表格 */
        .token-price-section {
            background-color: #ffffff;
            border-radius: 20px;
            padding: 40px;
            margin-top: 30px;
            border: 1px solid var(--border-color);
        }

        /* 案例展示区 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-item {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .case-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .case-img-wrap {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-content {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: bold;
            color: var(--secondary);
            background: rgba(236, 72, 153, 0.1);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        /* 培训版块 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .train-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .train-card h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .train-badge-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        .train-badge-item {
            background: var(--light-bg);
            padding: 12px 20px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-left: 4px solid var(--accent);
            font-weight: 500;
        }

        /* 评论版块 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

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

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--grad-accent);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .review-info h4 {
            color: var(--dark);
            font-size: 1rem;
        }

        .review-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .review-body {
            color: var(--text-main);
            font-size: 0.95rem;
        }

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

        .faq-item {
            background: #ffffff;
            border-radius: 10px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .faq-header {
            padding: 20px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
        }

        .faq-header:hover {
            background: rgba(139, 92, 246, 0.02);
        }

        .faq-body {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-main);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* AI 术语百科 & 自助排查 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .info-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }

        .info-card h3 {
            margin-bottom: 20px;
            font-size: 1.4rem;
            color: var(--dark);
        }

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

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

        .info-list li:last-child {
            border-bottom: none;
        }

        .info-list strong {
            color: var(--primary);
        }

        /* 表单与加盟代理 */
        .form-section-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: start;
        }

        .contact-form-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: var(--light-bg);
            font-size: 1rem;
            color: var(--dark);
            transition: border-color 0.3s;
        }

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

        .contact-info-card {
            background: linear-gradient(135deg, #0F172A, #1E293B);
            color: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--shadow-neon);
        }

        .contact-info-card h3 {
            font-size: 1.6rem;
            margin-bottom: 25px;
            color: #ffffff;
        }

        .contact-item {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-icon {
            font-size: 1.4rem;
            color: var(--accent);
        }

        .qr-box {
            background: white;
            padding: 15px;
            border-radius: 12px;
            display: inline-block;
            margin-top: 20px;
            text-align: center;
        }

        .qr-box img {
            width: 120px;
            height: 120px;
            display: block;
            margin: 0 auto 10px auto;
        }

        .qr-box p {
            color: var(--dark);
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* 标签云与辅助列表 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .tag-item {
            background: #ffffff;
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-main);
            transition: all 0.2s;
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* 页脚设计 */
        footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 2px solid rgba(139, 92, 246, 0.2);
        }

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

        .footer-logo img {
            height: 45px;
            margin-bottom: 15px;
        }

        .footer-col h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1rem;
            font-weight: 700;
        }

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

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

        .footer-col ul li a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 15px;
        }

        .footer-bottom-links a {
            color: #94A3B8;
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: white;
        }

        /* 浮动客服 */
        .fixed-services {
            position: fixed;
            right: 20px;
            bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .fixed-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            text-decoration: none;
            color: var(--primary);
            font-size: 1.3rem;
            transition: all 0.3s;
            position: relative;
        }

        .fixed-btn:hover {
            background: var(--grad-accent);
            color: white;
            transform: scale(1.1);
        }

        .fixed-btn .tooltip {
            position: absolute;
            right: 60px;
            background: var(--dark);
            color: white;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .fixed-btn:hover .tooltip {
            opacity: 1;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-layout {
                flex-direction: column;
            }
            .services-grid, .case-gallery, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .form-section-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                padding: 20px;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            h1.hero-title {
                font-size: 2.2rem;
            }
            .services-grid, .case-gallery, .reviews-grid, .flow-grid, .train-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }