/* 基础变量 & 彩虹多彩风格定义 */
        :root {
            --primary: #4F46E5;
            --primary-hover: #4338CA;
            --dark: #0F172A;
            --light: #F8FAFC;
            --gray-text: #475569;
            --border-color: #E2E8F0;
            --container-width: 1200px;
            
            /* 彩虹风格颜色 */
            --rainbow-red: #FF416C;
            --rainbow-orange: #FF4B2B;
            --rainbow-yellow: #FAD961;
            --rainbow-green: #00C9FF;
            --rainbow-blue: #92FE9D;
            --rainbow-purple: #A18CD1;
            --rainbow-pink: #F78181;
            
            /* 渐变组合 */
            --grad-rainbow: linear-gradient(135deg, #FF416C, #FF4B2B, #FAD961, #00C9FF, #92FE9D, #A18CD1);
            --grad-tech: linear-gradient(135deg, #6366F1, #3B82F6, #EC4899);
            --grad-warm: linear-gradient(135deg, #FF7E5F, #FEB47B);
            --grad-cool: linear-gradient(135deg, #4facfe, #00f2fe);
            --grad-accent: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        /* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        /* 通用布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            background: var(--grad-tech);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }
        .section-header p {
            color: var(--gray-text);
            font-size: 1.1rem;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--grad-rainbow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .brand-logo img {
            height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            color: var(--dark);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
        }
        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.05);
        }
        .nav-btn {
            background: var(--grad-tech);
            color: #fff !important;
            padding: 8px 18px !important;
            border-radius: 20px;
            font-weight: 600 !important;
            box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
        }
        .nav-btn:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero首屏 - 绝对没有图片 */
        .hero {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(255, 241, 241, 0.6) 0%, rgba(230, 242, 255, 0.6) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--grad-rainbow);
            filter: blur(150px);
            opacity: 0.15;
            top: -50px;
            left: -50px;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--grad-rainbow);
            filter: blur(150px);
            opacity: 0.15;
            bottom: -50px;
            right: -50px;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(90deg, rgba(255,65,108,0.1), rgba(0,201,255,0.1));
            border: 1px solid rgba(79, 70, 229, 0.2);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
        }
        .hero-title {
            font-size: 2.8rem;
            line-height: 1.3;
            margin-bottom: 25px;
            font-weight: 800;
            color: var(--dark);
        }
        .hero-title span {
            background: var(--grad-rainbow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-text);
            margin-bottom: 40px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .btn {
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-primary {
            background: var(--grad-tech);
            color: #fff;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
        }
        .btn-secondary {
            background: #fff;
            color: var(--dark);
            border: 2px solid var(--border-color);
        }
        .btn-secondary:hover {
            background: var(--light);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        
        /* 极速访问官网大按钮 */
        .btn-visit-rainbow {
            background: var(--grad-rainbow);
            background-size: 200% auto;
            color: #fff;
            box-shadow: 0 4px 20px rgba(255, 75, 43, 0.3);
            animation: rainbowGrad 4s linear infinite;
        }
        .btn-visit-rainbow:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 25px rgba(255, 75, 43, 0.5);
        }
        @keyframes rainbowGrad {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* 核心卖点简短统计 (首屏非图片元素) */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 16px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(79, 70, 229, 0.3);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            background: var(--grad-tech);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--gray-text);
            font-weight: 500;
        }

        /* 关于我们 & 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-content p {
            color: var(--gray-text);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .about-bullets {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .bullet-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--dark);
        }
        .bullet-item span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50px;
            background: var(--grad-rainbow);
            color: #fff;
            font-size: 0.8rem;
        }
        .about-media {
            background: #fff;
            padding: 20px;
            border-radius: 20px;
            border: 2px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .about-media img {
            border-radius: 12px;
            width: 100%;
        }

        /* 全平台AIGC服务 (多彩网格卡片) */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .service-card {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--card-grad, var(--grad-rainbow));
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
            border-color: transparent;
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-card p {
            color: var(--gray-text);
            font-size: 0.95rem;
            flex-grow: 1;
            margin-bottom: 20px;
        }
        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .model-tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            background: #F1F5F9;
            color: var(--gray-text);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        /* 一站式AIGC制作 (场景列表) */
        .production-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .production-box {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .production-box h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .production-box p {
            color: var(--gray-text);
            margin-bottom: 25px;
        }
        .scene-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .scene-item {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        .scene-emoji {
            font-size: 1.3rem;
        }

        /* 全行业解决方案 */
        .solutions-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .solution-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: 0.3s;
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }
        .solution-img-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
        }
        .solution-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .solution-body {
            padding: 25px;
        }
        .solution-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .solution-body p {
            color: var(--gray-text);
            font-size: 0.95rem;
        }

        /* 全国服务网络 & 培训 */
        .network-section {
            background: radial-gradient(circle at center, #fff 0%, #f6f8fb 100%);
        }
        .map-mockup {
            border: 2px dashed rgba(79, 70, 229, 0.2);
            border-radius: 20px;
            padding: 40px;
            background: #fff;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .network-points {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }
        .net-point {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            color: var(--primary);
        }

        /* 标准化AIGC流程 (步骤时间线) */
        .timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
            flex-wrap: wrap;
            gap: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 5%;
            width: 90%;
            height: 3px;
            background: var(--grad-rainbow);
            z-index: 1;
        }
        .timeline-step {
            flex: 1;
            min-width: 180px;
            background: #fff;
            border-radius: 16px;
            padding: 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }
        .step-num {
            width: 50px;
            height: 50px;
            background: var(--grad-tech);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px auto;
            border: 4px solid #fff;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }
        .timeline-step h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .timeline-step p {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* 技术标准 */
        .standards-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .standard-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
        }
        .standard-box .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(0, 201, 255, 0.1);
            color: #008ca3;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        .standard-box h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-img-container {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #f1f5f9;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.3s;
        }
        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .case-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .case-info p {
            color: var(--gray-text);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        .case-meta {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* 对比评测 - 突出五星 9.9分 */
        .rating-hero {
            background: linear-gradient(135deg, rgba(250,217,97,0.15) 0%, rgba(247,129,129,0.15) 100%);
            border: 2px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            margin-bottom: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
        }
        .rating-stars {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .stars-gold {
            font-size: 2.2rem;
            color: #FFB800;
        }
        .rating-score {
            text-align: right;
        }
        .score-val {
            font-size: 3.5rem;
            font-weight: 900;
            background: var(--grad-rainbow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        .score-max {
            font-size: 1.2rem;
            color: var(--gray-text);
            font-weight: 600;
        }
        .compare-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }
        table.compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }
        table.compare-table th, table.compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        table.compare-table th {
            background: #F8FAFC;
            font-weight: 700;
        }
        table.compare-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background-color: rgba(99, 102, 241, 0.03);
            font-weight: 600;
        }
        .badge-yes {
            color: #10B981;
            font-weight: 700;
        }
        .badge-no {
            color: #EF4444;
        }

        /* 智能需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: flex-start;
        }
        .match-info h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .match-info p {
            color: var(--gray-text);
            margin-bottom: 25px;
        }
        .form-card {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.95rem;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: var(--light);
            transition: 0.3s;
            font-size: 1rem;
        }
        .form-control:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Token比价参考 */
        .token-price-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .token-price-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            position: relative;
        }
        .token-price-card.best-price::after {
            content: '最低价';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--grad-rainbow);
            color: #fff;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 10px;
            font-weight: 600;
        }
        .token-price-card h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        .price-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .price-desc {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* 培训版块 */
        .training-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .training-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: 0.3s;
        }
        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(79,70,229,0.05);
        }
        .training-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .training-card p {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* FAQ折叠面板 & 自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: 0.3s;
        }
        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            user-select: none;
        }
        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--gray-text);
            font-size: 0.95rem;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.active .faq-body {
            padding-bottom: 20px;
        }
        
        .troubleshooting-card {
            background: linear-gradient(135deg, #1E293B, #0F172A);
            color: #fff;
            border-radius: 20px;
            padding: 30px;
        }
        .troubleshooting-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: #fff;
        }
        .troubleshooting-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .troubleshooting-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
        }
        .troubleshooting-list li span {
            color: #10B981;
            font-weight: bold;
        }

        /* AI术语百科 */
        .glossary-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .glossary-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.3s;
        }
        .glossary-tag:hover {
            background: var(--grad-rainbow);
            color: #fff;
            border-color: transparent;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .comment-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .comment-text {
            color: var(--gray-text);
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-style: italic;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-avatar {
            width: 45px;
            height: 45px;
            background: var(--grad-rainbow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
        }
        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }
        .user-info p {
            font-size: 0.8rem;
            color: var(--gray-text);
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .news-links-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
        }
        .news-links-box h3 {
            margin-bottom: 20px;
        }
        .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .news-list li a {
            display: block;
            padding: 10px 15px;
            background: var(--light);
            border-radius: 8px;
            font-weight: 500;
            border-left: 4px solid var(--primary);
        }
        .news-list li a:hover {
            background: #fff;
            transform: translateX(5px);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        /* 加盟代理 */
        .agent-card {
            background: linear-gradient(135deg, #FF416C, #FF4B2B);
            color: #fff;
            border-radius: 24px;
            padding: 50px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(255, 75, 43, 0.3);
        }
        .agent-card h3 {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }
        .agent-card p {
            font-size: 1.15rem;
            max-width: 800px;
            margin: 0 auto 30px auto;
            opacity: 0.9;
        }
        .agent-btn {
            background: #fff;
            color: #FF4B2B;
            padding: 15px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
        }
        .agent-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.25);
        }

        /* 底部友情链接与页脚 */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 5px solid;
            border-image: var(--grad-rainbow) 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact p {
            margin-bottom: 10px;
        }
        .friend-links {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #334155;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        .friend-links a {
            color: #64748B;
        }
        .friend-links a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #334155;
            font-size: 0.85rem;
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.5rem;
            position: relative;
            transition: 0.3s;
        }
        .float-item:hover {
            transform: scale(1.1);
        }
        .kefu-qr-popup {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }
        .kefu-qr-popup img {
            width: 120px;
            height: 120px;
        }
        .kefu-qr-popup p {
            font-size: 0.75rem;
            color: var(--dark);
            margin-top: 5px;
            font-weight: bold;
        }
        .float-item:hover .kefu-qr-popup {
            display: block;
        }

        /* 移动端响应式适配 */
        @media (max-width: 992px) {
            .hero-title { font-size: 2.2rem; }
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; }
            .production-grid { grid-template-columns: 1fr; }
            .solutions-slider { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .standards-container { grid-template-columns: 1fr; }
            .token-price-list { grid-template-columns: 1fr; }
            .faq-grid { grid-template-columns: 1fr; }
            .comments-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .timeline::before { display: none; }
            .timeline { flex-direction: column; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .match-grid { grid-template-columns: 1fr; }
        }