:root {
            --bg-dark: #080510;
            --bg-card: rgba(20, 12, 38, 0.7);
            --bg-card-hover: rgba(35, 20, 64, 0.9);
            --primary: #ff007f;
            --primary-glow: rgba(255, 0, 127, 0.4);
            --secondary: #9d4edd;
            --secondary-glow: rgba(157, 78, 221, 0.4);
            --cyan: #00f0ff;
            --cyan-glow: rgba(0, 240, 255, 0.4);
            --text-main: #ffffff;
            --text-muted: #b5a9df;
            --text-dark: #6e648f;
            --border-neon: rgba(255, 0, 127, 0.25);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(255, 0, 127, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.08) 0%, transparent 40%);
            background-attachment: fixed;
        }

        /* 统一居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        a {
            color: var(--cyan);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--primary);
            text-shadow: 0 0 8px var(--primary-glow);
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 5, 16, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
        }

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

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

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--text-main), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 5px 10px;
            position: relative;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: all 0.3s;
            transform: translateX(-50%);
        }

        .nav-menu a:hover {
            color: var(--text-main);
        }

        .nav-menu a:hover::after {
            width: 80%;
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text-main);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: 0 0 15px var(--primary-glow);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px var(--primary-glow), 0 0 5px var(--cyan);
            color: var(--text-main);
        }

        .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-color: var(--text-main);
            transition: all 0.3s ease;
        }

        /* Hero 区域（首屏，禁止图片） */
        .hero {
            padding: 160px 0 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-glow-1 {
            position: absolute;
            top: 20%;
            left: 50%;
            width: 300px;
            height: 300px;
            background: var(--primary-glow);
            filter: blur(120px);
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 1;
        }

        .hero-glow-2 {
            position: absolute;
            bottom: 10%;
            left: 30%;
            width: 400px;
            height: 400px;
            background: var(--cyan-glow);
            filter: blur(150px);
            pointer-events: none;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 25px;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
            animation: pulse 2s infinite;
        }

        h1.hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 30%, #ffc2eb 70%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 40px rgba(0,0,0,0.5);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text-main);
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 0 25px var(--primary-glow);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px var(--primary-glow), 0 0 10px var(--cyan);
            color: var(--text-main);
        }

        .btn-secondary {
            background: rgba(20, 12, 38, 0.8);
            color: var(--cyan);
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            border: 1px solid var(--cyan);
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        .btn-secondary:hover {
            transform: translateY(-3px);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 25px var(--cyan-glow);
        }

        /* 核心卖点简条 */
        .hero-features {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .hero-feat-item span {
            color: var(--cyan);
            font-weight: bold;
        }

        /* 通用区块样式 */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            background: linear-gradient(to right, #fff, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
        }

        .section-subtitle {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: -30px;
            margin-bottom: 50px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--cyan);
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--cyan), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

        .about-feat-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .about-feat-card strong {
            color: var(--text-main);
            display: block;
            margin-bottom: 5px;
        }

        .about-media {
            position: relative;
        }

        .about-media img {
            border-radius: 20px;
            border: 1px solid var(--border-neon);
            box-shadow: 0 0 30px var(--primary-glow);
            width: 100%;
        }

        /* 服务与制作能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 20px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 0 30px var(--primary-glow);
            background: var(--bg-card-hover);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary);
            text-shadow: 0 0 10px var(--primary-glow);
        }

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

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag-item {
            font-size: 0.75rem;
            background: rgba(255, 0, 127, 0.1);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        /* 支持的AI平台 (滚动展示) */
        .platform-slider {
            background: rgba(20, 12, 38, 0.4);
            border-top: 1px solid rgba(255, 0, 127, 0.1);
            border-bottom: 1px solid rgba(255, 0, 127, 0.1);
            padding: 30px 0;
            overflow: hidden;
            position: relative;
        }

        .platform-track {
            display: flex;
            gap: 40px;
            animation: scroll 40s linear infinite;
            width: max-content;
        }

        .platform-item {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s;
            cursor: default;
        }

        .platform-item:hover {
            color: var(--cyan);
            text-shadow: 0 0 10px var(--cyan-glow);
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 全行业解决方案 & 服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 15px;
            padding: 25px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            border-color: var(--cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }

        .solution-card h4 {
            font-size: 1.15rem;
            color: var(--cyan);
            margin-bottom: 10px;
        }

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

        /* 流程与技术标准 */
        .flow-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background: rgba(255, 255, 255, 0.02);
            border: 1px dashed var(--border-neon);
            border-radius: 15px;
            padding: 30px 20px;
            text-align: center;
            position: relative;
        }

        .flow-step::after {
            content: "➔";
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 1.5rem;
            z-index: 10;
        }

        .flow-step:last-child::after {
            display: none;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: bold;
            box-shadow: 0 0 10px var(--primary-glow);
        }

        .flow-step h4 {
            margin-bottom: 10px;
            color: var(--text-main);
        }

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

        /* 对比评测表格 */
        .comparison-section {
            overflow-x: auto;
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--bg-card);
            border-radius: 15px;
            overflow: hidden;
            border: 1px solid var(--border-neon);
            min-width: 800px;
        }

        .comp-table th, .comp-table td {
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .comp-table th {
            background: rgba(255, 0, 127, 0.1);
            color: var(--text-main);
            font-weight: 700;
        }

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

        .highlight-row {
            background: rgba(0, 240, 255, 0.05);
        }

        .badge-star {
            display: inline-block;
            background: linear-gradient(135deg, #ffd700, #ffa500);
            color: #000;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.8rem;
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--cyan);
            box-shadow: 0 0 25px var(--cyan-glow);
        }

        .case-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s;
        }

        .case-card:hover .case-img-wrap img {
            transform: scale(1.1);
        }

        .case-content {
            padding: 25px;
        }

        .case-tag {
            color: var(--cyan);
            font-size: 0.8rem;
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 10px;
            display: block;
        }

        .case-title {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .case-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        /* Token 比价 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-info h5 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 4px;
        }

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

        .token-cost {
            text-align: right;
        }

        .token-price {
            font-size: 1.25rem;
            color: var(--cyan);
            font-weight: bold;
        }

        .token-cost del {
            font-size: 0.8rem;
            color: var(--text-dark);
            display: block;
        }

        /* 职业与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: linear-gradient(135deg, rgba(20, 12, 38, 0.6) 0%, rgba(35, 20, 64, 0.4) 100%);
            border: 1px solid var(--border-neon);
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 0 20px var(--primary-glow);
        }

        .training-card h4 {
            font-size: 1.15rem;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .training-badge {
            background: rgba(255, 0, 127, 0.15);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid var(--primary);
        }

        /* FAQ折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
        }

        .faq-question::after {
            content: "+";
            font-size: 1.2rem;
            color: var(--cyan);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: 20px;
        }

        /* 自助排查与术语百科 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
        }

        .wiki-card {
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
        }

        .wiki-card h5 {
            color: var(--cyan);
            font-size: 1rem;
            margin-bottom: 8px;
        }

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

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

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 15px;
            padding: 30px;
            position: relative;
        }

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

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

        .author-avatar {
            width: 45px;
            height: 45px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
            color: #fff;
        }

        .author-info h5 {
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .author-info span {
            font-size: 0.75rem;
            color: var(--cyan);
        }

        /* 知识库/资讯 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .article-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 25px;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--cyan);
            background: rgba(255, 255, 255, 0.04);
        }

        .article-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .article-card h4 a {
            color: var(--text-main);
        }

        .article-card h4 a:hover {
            color: var(--cyan);
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-dark);
            display: flex;
            gap: 15px;
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-section {
            background: linear-gradient(180deg, transparent, rgba(255, 0, 127, 0.05));
        }

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

        .contact-info-wrap h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
        }

        .contact-info-list {
            margin-bottom: 30px;
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            color: var(--text-muted);
        }

        .contact-info-item strong {
            color: var(--text-main);
        }

        .qr-codes {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .qr-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            max-width: 150px;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 5px;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 表单样式 */
        .form-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: rgba(8, 5, 16, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--cyan);
            box-shadow: 0 0 15px var(--cyan-glow);
        }

        select.form-control {
            color: var(--text-muted);
        }

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

        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text-main);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 0 20px var(--primary-glow);
            transition: all 0.3s;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px var(--primary-glow), 0 0 10px var(--cyan);
        }

        /* 标签云与加盟代理 */
        .agent-banner {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.15) 0%, rgba(157, 78, 221, 0.15) 100%);
            border: 1px solid var(--primary);
            border-radius: 20px;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .agent-banner h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            color: #fff;
        }

        .agent-banner p {
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 30px auto;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 50px;
        }

        .tag-cloud-item {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
        }

        .tag-cloud-item:hover {
            color: var(--cyan);
            border-color: var(--cyan);
            background: rgba(0, 240, 255, 0.1);
        }

        /* 页脚 */
        footer {
            background: #05030a;
            border-top: 1px solid rgba(255, 0, 127, 0.15);
            padding: 80px 0 30px 0;
            font-size: 0.85rem;
            color: var(--text-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            color: var(--text-main);
            font-size: 1.25rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: var(--text-muted);
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-links h5 {
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

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

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

        .footer-links ul li a {
            color: var(--text-muted);
        }

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

        .footer-contact h5 {
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .footer-contact p {
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            margin-bottom: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
        }

        .friend-links a {
            color: var(--text-dark);
        }

        .friend-links a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 侧边悬浮 */
        .floating-action {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 5px 15px var(--primary-glow);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

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

        .float-btn .tooltip {
            position: absolute;
            right: 60px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(8, 5, 16, 0.95);
            border: 1px solid var(--border-neon);
            padding: 8px 15px;
            border-radius: 6px;
            font-size: 0.8rem;
            color: #fff;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            pointer-events: none;
        }

        .float-btn:hover .tooltip {
            opacity: 1;
            visibility: visible;
        }

        .float-qr {
            width: 150px;
            background: rgba(8, 5, 16, 0.95);
            border: 1px solid var(--border-neon);
            padding: 15px;
            border-radius: 10px;
            position: absolute;
            bottom: 60px;
            right: 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
            border-radius: 5px;
            margin-bottom: 5px;
        }

        .float-qr p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .float-btn:hover .float-qr {
            opacity: 1;
            visibility: visible;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(255, 0, 127, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0); }
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            h1.hero-title { font-size: 2.5rem; }
            .about-grid, .contact-grid, .footer-grid, .troubleshoot-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(8, 5, 16, 0.98);
                border-bottom: 1px solid var(--border-neon);
                padding: 20px;
                gap: 15px;
                text-align: center;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .flow-step::after {
                content: "▼";
                right: 50%;
                bottom: -20px;
                top: auto;
                transform: translateX(50%);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            h1.hero-title { font-size: 2rem; }
            .hero-features { gap: 15px; }
            .form-wrap { padding: 25px; }
        }