:root {
            --bg-dark: #0a0f1d;
            --bg-card: #131c31;
            --primary: #00ffcc;
            --secondary: #ff007f;
            --accent: #39ff14;
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
            --border-glow: rgba(0, 255, 204, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(10, 15, 29, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-glow);
        }

        .nav-container {
            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;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            text-shadow: 0 0 8px rgba(0, 255, 204, 0.5);
        }

        .btn-nav {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #000 !important;
            font-weight: bold;
            padding: 8px 16px;
            border-radius: 20px;
            box-shadow: 0 0 15px rgba(0, 255, 204, 0.3);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 150px 0 100px 0;
            background: radial-gradient(circle at 50% 30%, rgba(0, 255, 204, 0.08), transparent 60%);
            text-align: center;
            position: relative;
        }

        /* CSS 科技感网格背景装饰线 */
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(0,255,204,0.03) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(0,255,204,0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 255, 204, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            margin-bottom: 20px;
            box-shadow: 0 0 10px rgba(0, 255, 204, 0.1);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(to right, #fff, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

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

        .btn-main {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #000;
            font-weight: bold;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(0, 255, 204, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 255, 204, 0.6);
        }

        .btn-sub {
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--text-muted);
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-sub:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        /* 公用Section样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .sec-title-area {
            text-align: center;
            margin-bottom: 50px;
        }

        .sec-title-area h2 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 15px;
            display: inline-block;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .sec-title-area p {
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* 关于我们与平台介绍 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .intro-text h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .intro-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-light);
            transition: var(--transition);
        }

        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
        }

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

        /* 卡片网格：全平台服务、一站式制作 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 16px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: 0 10px 30px rgba(0, 255, 204, 0.1);
        }

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

        .card-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #fff;
        }

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

        /* 标准化流程：时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
            top: 0; bottom: 0; left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--bg-dark);
            border: 3px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
            box-shadow: 0 0 8px var(--primary);
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px 30px;
            background: var(--bg-card);
            position: relative;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            margin-top: 30px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .comparison-table th {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--primary);
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background-color: rgba(255, 255, 255, 0.01);
        }

        .highlight-col {
            color: var(--accent) !important;
            font-weight: bold;
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #fbbf24;
            font-weight: bold;
        }

        /* Token比价与API */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: linear-gradient(145deg, var(--bg-card), rgba(0,0,0,0.2));
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--primary);
            box-shadow: 0 0 15px rgba(0, 255, 204, 0.1);
        }

        .token-card h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: var(--text-light);
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 15px;
        }

        /* 案例中心：包含指定图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

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

        .case-img-wrapper {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #000;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #fff;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

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

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-content {
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #000;
        }

        .author-meta h5 {
            font-size: 0.95rem;
            color: #fff;
        }

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

        /* 帮助中心与FAQ */
        .faq-accordion {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 255, 204, 0.3);
        }

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-header h4 {
            font-size: 1rem;
            color: #fff;
            font-weight: 500;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(255, 255, 255, 0.01);
        }

        .faq-content p {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

        .faq-item.active .faq-content {
            max-height: 200px;
        }

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

        /* 智能匹配表单 */
        .form-section {
            background: radial-gradient(circle at top right, rgba(255, 0, 127, 0.05), transparent 40%);
        }

        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 16px;
            padding: 40px;
        }

        .form-group {
            margin-bottom: 24px;
        }

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

        .form-control {
            width: 100%;
            background: rgba(10, 15, 29, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 255, 204, 0.2);
        }

        textarea.form-control {
            resize: vertical;
            height: 120px;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #000;
            font-weight: bold;
            padding: 14px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }

        .btn-submit:hover {
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
            transform: translateY(-1px);
        }

        /* 资讯与最新文章 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .article-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 20px;
            transition: var(--transition);
        }

        .article-item:hover {
            border-color: var(--secondary);
        }

        .article-item h4 {
            font-size: 1rem;
            margin-bottom: 10px;
        }

        .article-item a {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-item a:hover {
            text-decoration: underline;
        }

        /* 联系我们与加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-info-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .qrcode-box {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }

        .qrcode-box img {
            width: 100%;
            max-width: 180px;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-size: 20px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0, 255, 204, 0.4);
            transition: var(--transition);
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn.float-backtop {
            background: var(--bg-card);
            color: var(--text-light);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            display: none;
        }

        /* 底部与友链 */
        footer {
            background: #060912;
            padding: 60px 0 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
        }

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

        .footer-about h4, .footer-links h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

        .footer-links ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friendly-links {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.85rem;
            align-items: center;
        }

        .friendly-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .friendly-links a:hover {
            color: var(--secondary);
        }

        .copyright-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .intro-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                border-bottom: 1px solid var(--border-glow);
                padding: 20px;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item.right {
                left: 0%;
            }
            .timeline-item::after {
                left: 23px;
            }
            .timeline-item.right::after {
                left: 23px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }