/* CSS Reset & Variables */
        :root {
            --primary: #FF5E97; /* 缤纷糖果亮粉 */
            --secondary: #4E65FF; /* 梦幻蓝 */
            --accent: #FFD93D; /* 柠檬黄 */
            --success: #6BCB77; /* 薄荷绿 */
            --bg-gradient: linear-gradient(135deg, #FFF5F7 0%, #E8F0FE 50%, #F3E8FF 100%);
            --card-bg: rgba(255, 255, 255, 0.85);
            --card-shadow: 0 10px 30px rgba(255, 94, 151, 0.08);
            --text-dark: #2C3E50;
            --text-muted: #7F8C8D;
            --max-width: 1200px;
        }

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

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

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一页面容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: #ffffff !important;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 94, 151, 0.3);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--text-dark) !important;
        }

        .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 217, 61, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary) !important;
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #ffffff !important;
            transform: translateY(-3px);
        }

        /* 标题通用样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-dark);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        section {
            padding: 80px 0;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }

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

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

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

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
            padding: 5px 10px;
            border-radius: 8px;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            background: rgba(255, 94, 151, 0.05);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现任何图片 */
        #hero {
            padding-top: 150px;
            padding-bottom: 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(255, 94, 151, 0.1);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 94, 151, 0.2);
            animation: float 3s ease-in-out infinite;
        }

        #hero h1 {
            font-size: 2.8rem;
            line-height: 1.3;
            margin-bottom: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, #FF3F80 0%, #3F51B5 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            max-width: 700px;
            margin: 0 auto 35px;
            font-size: 1.2rem;
            color: var(--text-dark);
            opacity: 0.9;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 标签流 / 聚合模型展示区 */
        .hero-models {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-models p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
            font-weight: 600;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .model-tag {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--card-bg);
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
            transition: all 0.2s;
        }

        .model-tag:hover {
            transform: translateY(-2px);
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        /* 关于我们 */
        #about {
            background: rgba(255, 255, 255, 0.4);
        }

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

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .about-content p {
            margin-bottom: 15px;
            color: var(--text-dark);
            opacity: 0.85;
        }

        .about-features {
            margin-top: 25px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .about-feature-item span {
            color: var(--success);
            font-size: 1.2rem;
        }

        /* 案例图片展示容器 */
        .about-media {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .about-media img {
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            width: 100%;
            object-fit: cover;
            border: 4px solid #fff;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            transition: transform 0.3s;
        }

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

        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 5px;
        }

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

        /* AIGC服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 35px 25px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.6);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(255, 94, 151, 0.15);
        }

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .service-features {
            list-style: none;
            padding-top: 15px;
            border-top: 1px dashed rgba(0,0,0,0.08);
        }

        .service-features li {
            font-size: 0.85rem;
            color: var(--text-dark);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-features li::before {
            content: '✦';
            color: var(--primary);
        }

        /* 一站式制作 */
        #one-stop {
            background: rgba(255, 255, 255, 0.4);
        }

        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-item {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            position: relative;
            text-align: center;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: linear-gradient(45deg, var(--secondary), var(--primary));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }

        .step-item h3 {
            margin-top: 10px;
            margin-bottom: 12px;
            font-size: 1.2rem;
        }

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

        /* 行业解决方案与服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
        }

        .solution-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-body p {
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .network-section {
            margin-top: 50px;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            border-radius: 24px;
            padding: 40px;
            color: #ffffff;
        }

        .network-section h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            text-align: center;
        }

        .network-section p {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }

        .network-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .network-tag {
            background: rgba(255,255,255,0.15);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255,255,255,0.25);
        }

        /* 客户案例中心 */
        #portfolio {
            background: rgba(255, 255, 255, 0.4);
        }

        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .portfolio-item {
            background: var(--card-bg);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            transition: all 0.3s;
        }

        .portfolio-item:hover {
            transform: translateY(-5px);
        }

        .portfolio-img-box {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eee;
        }

        .portfolio-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .portfolio-item:hover .portfolio-img-box img {
            transform: scale(1.05);
        }

        .portfolio-info {
            padding: 24px;
        }

        .portfolio-tag {
            display: inline-block;
            background: rgba(78, 101, 255, 0.1);
            color: var(--secondary);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .portfolio-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .portfolio-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 对比评测 - 表格结构 */
        .comparison-wrapper {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.8);
        }

        .score-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(0,0,0,0.06);
            margin-bottom: 30px;
        }

        .score-num {
            display: flex;
            align-items: baseline;
            gap: 5px;
        }

        .score-num .big {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-num .small {
            font-size: 1.2rem;
            color: var(--text-muted);
        }

        .rating-stars {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px;
            text-align: left;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .comparison-table th {
            font-weight: 700;
            background: rgba(0,0,0,0.02);
            color: var(--text-dark);
        }

        .comparison-table tr:hover {
            background: rgba(255,94,151,0.02);
        }

        .comparison-table .highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* 智能需求匹配 - 表单设计 */
        #demand-form {
            background: rgba(255, 255, 255, 0.4);
        }

        .form-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--card-bg);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.8);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group-full {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid rgba(0,0,0,0.1);
            background: #ffffff;
            font-family: inherit;
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 94, 151, 0.15);
        }

        .submit-btn-box {
            text-align: center;
            margin-top: 10px;
        }

        /* Token比价与价格参考 */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .token-info h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
        }

        .token-info p {
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .pricing-item {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 15px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .pricing-model-name {
            font-weight: 700;
        }

        .pricing-price {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--success);
        }

        /* 职业技术培训 & 人工智能培训 */
        #training {
            background: rgba(255, 255, 255, 0.4);
        }

        .training-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            transition: all 0.3s;
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
        }

        .training-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        .training-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .training-badge {
            margin-top: 15px;
            display: inline-block;
            background: rgba(78, 101, 255, 0.08);
            color: var(--secondary);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 常见用户问题 FAQ (折叠面板) */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-answer-content {
            padding: 0 24px 20px;
            color: var(--text-dark);
            opacity: 0.85;
            font-size: 0.95rem;
            border-top: 1px solid rgba(0,0,0,0.03);
            line-height: 1.6;
        }

        /* AI术语百科 & 标签云 */
        .wiki-section {
            margin-top: 60px;
            background: var(--card-bg);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.8);
        }

        .wiki-section h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            text-align: center;
        }

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

        .tag-cloud-item {
            padding: 8px 16px;
            border-radius: 12px;
            background: #ffffff;
            border: 1px solid rgba(0,0,0,0.05);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-dark);
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            transition: all 0.2s;
        }

        .tag-cloud-item:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* 客户评论卡片 */
        #testimonials {
            background: rgba(255, 255, 255, 0.4);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            position: relative;
        }

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

        .testi-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .testi-meta h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .testi-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-card p {
            font-size: 0.92rem;
            color: var(--text-dark);
            opacity: 0.85;
            line-height: 1.5;
        }

        /* 行业资讯 / 知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 25px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .article-link {
            font-size: 0.9rem;
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            color: var(--primary);
        }

        /* 联系我们 & 加盟代理 */
        #contact {
            background: rgba(255, 255, 255, 0.4);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-card-box {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255,255,255,0.7);
        }

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

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

        .info-icon {
            font-size: 1.3rem;
            color: var(--primary);
        }

        .info-text strong {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .info-text span {
            font-size: 0.95rem;
            font-weight: 500;
        }

        .kefu-container {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px dashed rgba(0,0,0,0.08);
        }

        .kefu-qr {
            width: 100px;
            height: 100px;
            background: #fff;
            border-radius: 12px;
            padding: 5px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .kefu-qr img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .kefu-text p {
            font-size: 0.9rem;
            margin-bottom: 5px;
        }

        /* 友情链接 */
        .friendship-links {
            background: #ffffff;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding: 25px 0;
        }

        .friendship-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 15px 25px;
        }

        .friendship-wrapper span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .friendship-wrapper a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 0.85rem;
            transition: color 0.3s;
        }

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

        /* 页脚 */
        footer {
            background: #1A1B2F;
            color: #A0A5C0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

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

        .footer-brand img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

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

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

        .footer-links ul li a {
            color: #A0A5C0;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .copyright {
            font-size: 0.8rem;
        }

        /* 浮动客服入口 & 返回顶部 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s;
            position: relative;
        }

        .widget-item:hover {
            transform: scale(1.1);
            background: var(--primary);
            color: #ffffff;
        }

        .widget-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .widget-qr-pop {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #ffffff;
            border-radius: 12px;
            padding: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            text-align: center;
            width: 140px;
        }

        .widget-qr-pop img {
            width: 120px;
            height: 120px;
            object-fit: contain;
        }

        .widget-qr-pop p {
            font-size: 0.75rem;
            color: var(--text-dark);
            margin-top: 5px;
        }

        .widget-item:hover .widget-qr-pop {
            opacity: 1;
            visibility: visible;
        }

        /* 动画关键帧 */
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
            100% { transform: translateY(0); }
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .contact-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            #hero h1 {
                font-size: 2rem;
            }
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
        }