/* 基础重置与全局样式 */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      scroll-behavior: smooth;
    }
    
    /* 炫彩荧光风暗黑主题变量 */
    :root {
      --bg-main: #0a0b10;
      --bg-card: #121420;
      --bg-hover: #191c2e;
      --accent-neon: #39ff14; /* 荧光绿 */
      --accent-cyan: #00f2fe; /* 霓虹蓝 */
      --accent-purple: #9d4edd; /* 炫酷紫 */
      --text-white: #ffffff;
      --text-gray: #9ca3af;
      --text-dark: #1f2937;
      --border-glow: rgba(57, 255, 20, 0.2);
      --container-width: 1200px;
    }

    body {
      background-color: var(--bg-main);
      color: var(--text-gray);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--text-white);
      font-weight: 700;
    }

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

    a:hover {
      color: var(--accent-neon);
    }

    img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    /* 主页容器约束 */
    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    /* 顶部导航 */
    header {
      background-color: rgba(10, 11, 16, 0.95);
      border-bottom: 1px solid var(--border-glow);
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      backdrop-filter: blur(10px);
    }

    .nav-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

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

    .ai-page-logo {
      height: 40px !important;
      width: auto !important;
      filter: drop-shadow(0 0 8px var(--accent-neon));
    }

    .logo-text {
      font-size: 1.5rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--text-white) 30%, var(--accent-neon));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* 移动端菜单按钮 */
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-white);
      font-size: 1.8rem;
      cursor: pointer;
    }

    .nav-menu {
      display: flex;
      gap: 15px;
      align-items: center;
      list-style: none;
    }

    .nav-menu a {
      font-size: 0.9rem;
      color: var(--text-gray);
      padding: 8px 12px;
      border-radius: 4px;
      font-weight: 500;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--accent-neon);
      background-color: rgba(57, 255, 20, 0.05);
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 160px 0 100px;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle at 80% 20%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
                  radial-gradient(circle at 10% 80%, rgba(0, 242, 254, 0.15) 0%, transparent 50%);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(57, 255, 20, 0.1);
      border: 1px solid var(--accent-neon);
      color: var(--accent-neon);
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 25px;
      box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
    }

    .hero-content h1 {
      font-size: clamp(2rem, 5vw, 3.2rem);
      line-height: 1.25;
      margin-bottom: 25px;
      background: linear-gradient(135deg, var(--text-white) 40%, var(--accent-cyan), var(--accent-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 40px rgba(0, 242, 254, 0.1);
    }

    .hero-description {
      font-size: 1.15rem;
      color: var(--text-gray);
      margin-bottom: 40px;
      line-height: 1.8;
    }

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

    .btn {
      display: inline-block;
      padding: 14px 32px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1rem;
      cursor: pointer;
      border: none;
      transition: all 0.3s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
      color: var(--bg-main);
      box-shadow: 0 0 20px rgba(57, 255, 20, 0.4);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(57, 255, 20, 0.6);
      color: var(--bg-main);
    }

    .btn-secondary {
      background: transparent;
      border: 2px solid var(--accent-cyan);
      color: var(--accent-cyan);
    }

    .btn-secondary:hover {
      background: rgba(0, 242, 254, 0.1);
      transform: translateY(-2px);
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
    }

    /* 数据指标卡片 */
    .stats-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
    }

    .stat-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 25px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-cyan);
      box-shadow: 0 5px 20px rgba(0, 242, 254, 0.15);
    }

    .stat-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 5px;
    }

    .stat-value.neon-text {
      color: var(--accent-neon);
      text-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
    }

    .stat-value.cyan-text {
      color: var(--accent-cyan);
      text-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    }

    .stat-value.purple-text {
      color: var(--accent-purple);
      text-shadow: 0 0 10px rgba(157, 78, 221, 0.3);
    }

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

    /* 主内容板块通用标题 */
    section {
      padding: 80px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-subtitle {
      color: var(--accent-neon);
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 10px;
      display: block;
    }

    .section-title {
      font-size: 2rem;
      color: var(--text-white);
      position: relative;
      display: inline-block;
      padding-bottom: 15px;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, var(--accent-neon), var(--accent-cyan));
      border-radius: 3px;
    }

    /* 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

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

    .about-info p {
      margin-bottom: 20px;
      font-size: 1.05rem;
      line-height: 1.8;
    }

    .about-features {
      list-style: none;
    }

    .about-features li {
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .about-features li::before {
      content: "✓";
      color: var(--accent-cyan);
      font-weight: bold;
    }

    .about-display {
      background-color: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 30px;
      border-radius: 16px;
      box-shadow: inset 0 0 20px rgba(57, 255, 20, 0.05);
    }

    .display-box {
      font-family: monospace;
      color: var(--accent-cyan);
      background-color: rgba(0, 0, 0, 0.3);
      padding: 20px;
      border-radius: 8px;
      border-left: 4px solid var(--accent-neon);
    }

    /* 全平台 AIGC 服务体系 */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .service-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 30px;
      border-radius: 12px;
      transition: all 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-purple);
      box-shadow: 0 10px 25px rgba(157, 78, 221, 0.2);
    }

    .card-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      display: inline-block;
    }

    .service-card h3 {
      font-size: 1.3rem;
      margin-bottom: 15px;
    }

    /* 滚动模型标签墙 */
    .model-marquee-wrap {
      margin-top: 40px;
      overflow: hidden;
      position: relative;
      background: rgba(255, 255, 255, 0.02);
      padding: 20px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .model-marquee {
      display: flex;
      gap: 15px;
      animation: marquee 30s linear infinite;
      white-space: nowrap;
      width: max-content;
    }

    .model-tag {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 6px 18px;
      border-radius: 50px;
      color: var(--text-white);
      font-size: 0.9rem;
      font-weight: 500;
      display: inline-block;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    }

    .model-tag:hover {
      border-color: var(--accent-neon);
      color: var(--accent-neon);
    }

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

    /* 全自动AIGC制作流程与全行业解决方案 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
      position: relative;
    }

    .process-step {
      background-color: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 30px;
      border-radius: 12px;
      position: relative;
      transition: all 0.3s ease;
    }

    .process-step:hover {
      transform: translateY(-5px);
      border-color: var(--accent-neon);
      box-shadow: 0 0 20px rgba(57, 255, 20, 0.2);
    }

    .step-num {
      position: absolute;
      top: -15px;
      left: 20px;
      background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
      color: var(--bg-main);
      width: 35px;
      height: 35px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      box-shadow: 0 0 10px var(--accent-neon);
    }

    .process-step h3 {
      margin-top: 10px;
      margin-bottom: 12px;
    }

    /* 全行业解决方案 */
    .solutions-tabs {
      display: grid;
      grid-template-columns: 1fr 3fr;
      gap: 30px;
    }

    .tab-nav {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .tab-btn {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      color: var(--text-gray);
      padding: 15px 20px;
      border-radius: 8px;
      cursor: pointer;
      text-align: left;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .tab-btn.active, .tab-btn:hover {
      background: linear-gradient(90deg, rgba(57, 255, 20, 0.1), transparent);
      border-left: 4px solid var(--accent-neon);
      color: var(--text-white);
    }

    .tab-content {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 40px;
      border-radius: 12px;
    }

    .solution-panel {
      display: none;
    }

    .solution-panel.active {
      display: block;
      animation: fadeIn 0.5s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .solution-panel h3 {
      font-size: 1.8rem;
      margin-bottom: 15px;
      color: var(--accent-cyan);
    }

    .solution-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 25px;
      margin-top: 20px;
    }

    /* 全国服务网络 */
    .network-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .network-map {
      background: radial-gradient(circle, var(--bg-hover) 20%, transparent 60%);
      padding: 40px;
      border-radius: 12px;
      border: 1px dashed var(--accent-cyan);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 300px;
    }

    .map-placeholder {
      text-align: center;
    }

    .map-dot {
      display: inline-block;
      width: 12px;
      height: 12px;
      background-color: var(--accent-neon);
      border-radius: 50%;
      position: relative;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.7); }
      70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(57, 255, 20, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(57, 255, 20, 0); }
    }

    /* 标准化服务全流程及技术标准 */
    .standard-flow-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .flow-card {
      background-color: var(--bg-card);
      border-top: 4px solid var(--accent-purple);
      padding: 25px;
      border-radius: 0 0 8px 8px;
    }

    .tech-standards-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 30px;
      overflow-x: auto;
      display: block;
    }

    .tech-standards-table th, .tech-standards-table td {
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 15px 20px;
      text-align: left;
    }

    .tech-standards-table th {
      background-color: var(--bg-hover);
      color: var(--text-white);
    }

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

    /* 客户案例中心 (包含横版和方版图片) */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .case-item {
      background: var(--bg-card);
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-glow);
      transition: all 0.3s ease;
    }

    .case-item:hover {
      transform: translateY(-5px);
      border-color: var(--accent-cyan);
    }

    .case-img-container {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/10;
    }

    .case-img-container.square {
      aspect-ratio: 1/1;
    }

    .case-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-item:hover .case-img-container img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
    }

    .case-tag {
      display: inline-block;
      padding: 3px 10px;
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
      font-size: 0.8rem;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .case-body h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    /* 宣传图展示板块 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 50px;
    }

    .banner-gallery img {
      width: 100%;
      border-radius: 10px;
      border: 1px solid var(--border-glow);
    }

    /* 对比评测 */
    .rating-box {
      background: linear-gradient(135deg, rgba(21, 29, 48, 0.8), rgba(10, 11, 16, 0.9));
      border: 2px solid var(--accent-neon);
      border-radius: 16px;
      padding: 40px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
      box-shadow: 0 0 35px rgba(57, 255, 20, 0.15);
    }

    .rating-title h3 {
      font-size: 2rem;
      margin-bottom: 10px;
      color: var(--text-white);
    }

    .rating-value {
      font-size: 4rem;
      font-weight: 900;
      color: var(--accent-neon);
      text-shadow: 0 0 15px var(--accent-neon);
      display: flex;
      align-items: flex-end;
      line-height: 1;
    }

    .rating-value span {
      font-size: 1.5rem;
      color: var(--text-gray);
      margin-left: 5px;
      margin-bottom: 8px;
    }

    .stars-display {
      color: #ffb703;
      font-size: 1.8rem;
      letter-spacing: 5px;
      margin-top: 5px;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
    }

    .compare-table th, .compare-table td {
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 18px;
      text-align: center;
    }

    .compare-table th {
      background-color: var(--bg-hover);
      color: var(--text-white);
    }

    .compare-table td:first-child {
      text-align: left;
      font-weight: bold;
      color: var(--text-white);
    }

    .highlight-cell {
      background-color: rgba(57, 255, 20, 0.03);
      border: 1px solid rgba(57, 255, 20, 0.15) !important;
      color: var(--accent-neon) !important;
    }

    /* 智能需求匹配与表单 */
    .form-section-inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
    }

    .form-wrapper {
      background-color: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 40px;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      color: var(--text-white);
      font-size: 0.9rem;
      font-weight: 500;
    }

    .form-group input, 
    .form-group select, 
    .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      background-color: rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 8px;
      color: var(--text-white);
      font-size: 1rem;
      transition: all 0.3s ease;
    }

    .form-group input:focus, 
    .form-group select:focus, 
    .form-group textarea:focus {
      outline: none;
      border-color: var(--accent-neon);
      box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
    }

    .form-wrapper .btn {
      width: 100%;
      margin-top: 10px;
    }

    /* Token 比价参考 */
    .token-price-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .token-price-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 10px;
      padding: 20px;
      text-align: center;
    }

    .token-price-card h4 {
      color: var(--accent-cyan);
      margin-bottom: 15px;
      font-size: 1.2rem;
    }

    .token-cost {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 10px;
    }

    /* 职业技术培训 / 人工智能培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 15px;
    }

    .training-card {
      background: linear-gradient(185deg, var(--bg-card), var(--bg-main));
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 25px 15px;
      text-align: center;
      transition: all 0.3s ease;
    }

    .training-card:hover {
      border-color: var(--accent-purple);
      box-shadow: 0 0 20px rgba(157, 78, 221, 0.2);
      transform: translateY(-5px);
    }

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

    .training-card h4 {
      font-size: 0.95rem;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .cert-authority {
      font-size: 0.75rem;
      color: var(--accent-neon);
      background: rgba(57, 255, 20, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
    }

    /* 帮助中心、常见问题自助排查与网站术语百科 */
    .help-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .help-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 30px;
    }

    .help-box h3 {
      font-size: 1.25rem;
      margin-bottom: 20px;
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .help-item-list {
      list-style: none;
    }

    .help-item-list li {
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .help-item-list a {
      color: var(--text-gray);
    }

    .help-item-list a:hover {
      color: var(--accent-neon);
    }

    /* FAQ 折叠面板 (不少于 10 条) */
    .faq-wrapper {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background-color: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-question {
      padding: 20px 25px;
      font-weight: 600;
      color: var(--text-white);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 1.5rem;
      color: var(--accent-cyan);
      transition: transform 0.3s ease;
    }

    .faq-item.active {
      border-color: var(--accent-neon);
      box-shadow: 0 0 15px rgba(57, 255, 20, 0.1);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background-color: rgba(0, 0, 0, 0.15);
    }

    .faq-answer-inner {
      padding: 0 25px 20px;
      font-size: 0.95rem;
      color: var(--text-gray);
      line-height: 1.8;
    }

    /* 客户评论卡片 (6 条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 30px;
      position: relative;
    }

    .review-text {
      font-style: italic;
      margin-bottom: 20px;
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .user-avatar-text {
      width: 45px;
      height: 45px;
      background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-white);
      font-weight: bold;
      font-size: 1.2rem;
    }

    .user-meta h4 {
      font-size: 0.95rem;
      color: var(--text-white);
    }

    .user-meta span {
      font-size: 0.8rem;
      color: var(--accent-cyan);
    }

    /* 行业资讯 / 知识库 */
    .articles-section {
      background: var(--bg-card);
      padding: 40px;
      border-radius: 16px;
      border: 1px solid var(--border-glow);
    }

    .articles-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 25px;
    }

    .articles-list li {
      padding: 15px;
      background: rgba(0, 0, 0, 0.2);
      border-radius: 8px;
      border-left: 3px solid var(--accent-cyan);
      display: flex;
      flex-direction: column;
      gap: 5px;
    }

    .articles-list a {
      color: var(--text-white);
      font-weight: 600;
    }

    .articles-list a:hover {
      color: var(--accent-neon);
    }

    .article-meta {
      font-size: 0.8rem;
      color: var(--text-gray);
    }

    /* 联系我们 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }

    .contact-details {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .contact-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
    }

    .contact-card h4 {
      color: var(--accent-neon);
      margin-bottom: 10px;
    }

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

    .qr-container img {
      max-width: 150px;
      margin-bottom: 15px;
      border: 4px solid var(--bg-main);
    }

    /* 页脚与友情链接 */
    footer {
      background-color: #05060b;
      padding: 60px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .footer-desc p {
      margin-top: 15px;
      font-size: 0.9rem;
    }

    .footer-links h4 {
      margin-bottom: 20px;
      color: var(--text-white);
    }

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

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

    .footer-links a {
      color: var(--text-gray);
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: var(--accent-neon);
    }

    .friend-links-box {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 25px;
      margin-bottom: 25px;
    }

    .friend-links-box h4 {
      font-size: 0.9rem;
      color: var(--text-white);
      margin-bottom: 15px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
    }

    .friend-links a {
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.02);
      padding: 4px 12px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    .copyright {
      text-align: center;
      font-size: 0.8rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 25px;
    }

    /* 浮动客服入口 */
    .floating-kefu {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      background: linear-gradient(135deg, var(--accent-neon), var(--accent-cyan));
      width: 55px;
      height: 55px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 5px 25px rgba(0, 242, 254, 0.4);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .floating-kefu:hover {
      transform: scale(1.1) rotate(5deg);
    }

    .floating-kefu svg {
      width: 25px;
      height: 25px;
      fill: var(--bg-main);
    }

    .floating-panel {
      position: fixed;
      right: 90px;
      bottom: 25px;
      width: 280px;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 20px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
      display: none;
      z-index: 999;
      text-align: center;
    }

    .floating-panel.active {
      display: block;
      animation: fadeIn 0.3s ease;
    }

    .floating-panel img {
      max-width: 150px;
      margin: 15px 0;
      border: 3px solid rgba(255,255,255,0.05);
    }

    .floating-panel h4 {
      font-size: 1rem;
      color: var(--text-white);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .stats-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .training-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--bg-main);
        border-bottom: 1px solid var(--border-glow);
        padding: 20px;
        gap: 10px;
      }
      .nav-menu.active {
        display: flex;
      }
      .about-grid, .form-section-inner, .network-container, .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .process-timeline, .standard-flow-list {
        grid-template-columns: 1fr;
      }
      .case-grid, .reviews-grid, .help-grid {
        grid-template-columns: 1fr;
      }
      .training-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .rating-box {
        flex-direction: column;
        text-align: center;
      }
      .rating-value {
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .articles-list {
        grid-template-columns: 1fr;
      }
      .banner-gallery {
        grid-template-columns: 1fr;
      }
    }