:root {
      --primary-cyan: #0d9488;
      --primary-light: #14b8a6;
      --primary-dark: #0f766e;
      --primary-soft: #f0fdfa;
      --primary-border: #ccfbf1;
      --accent-blue: #0284c7;
      --text-main: #0f172a;
      --text-muted: #334155;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px rgba(13, 148, 136, 0.08);
      --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.08);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(20, 184, 166, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(2, 132, 199, 0.04) 0%, transparent 40%);
    }

    a {
      color: var(--primary-cyan);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: var(--primary-dark);
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-logo-wrap img {
      max-height: 40px;
      width: auto;
      display: block;
    }

    .brand-title-box {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: 0.5px;
      line-height: 1.2;
    }

    .brand-tagline {
      font-size: 0.75rem;
      color: var(--text-light);
      font-weight: 500;
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary-cyan);
      background-color: var(--primary-soft);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 12px;
    }

    .btn-header-home {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--text-muted);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #fff;
    }

    .btn-header-home:hover {
      border-color: var(--primary-cyan);
      color: var(--primary-cyan);
    }

    .btn-header-primary {
      display: inline-flex;
      align-items: center;
      padding: 8px 18px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
      border-radius: var(--radius-sm);
      box-shadow: 0 2px 6px rgba(13, 148, 136, 0.25);
    }

    .btn-header-primary:hover {
      color: #ffffff;
      opacity: 0.92;
      box-shadow: 0 4px 10px rgba(13, 148, 136, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      margin: 4px 0;
      transition: 0.2s;
    }

    /* 区域通用规范 */
    .section-block {
      padding: 70px 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 44px;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      background-color: var(--primary-soft);
      color: var(--primary-dark);
      font-size: 0.8rem;
      font-weight: 600;
      border-radius: 20px;
      border: 1px solid var(--primary-border);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding: 75px 0 65px;
      background: linear-gradient(180deg, #ecfdf5 0%, #f0fdfa 45%, #ffffff 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--primary-border);
    }

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

    .hero-badge-wrap {
      margin-bottom: 18px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: 30px;
      font-size: 0.85rem;
      color: var(--primary-dark);
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(13, 148, 136, 0.08);
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      color: #042f2e;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.8px;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
      border-radius: var(--radius-md);
      box-shadow: 0 8px 20px rgba(13, 148, 136, 0.3);
      transition: all 0.25s ease;
      border: 1px solid transparent;
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 26px rgba(13, 148, 136, 0.4);
      color: #ffffff;
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--primary-dark);
      background: #ffffff;
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-cyan);
      background: var(--primary-soft);
      transform: translateY(-2px);
    }

    /* 首屏数据指标卡片 (纯CSS) */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 12px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s;
    }

    .metric-card:hover {
      transform: translateY(-3px);
      border-color: var(--primary-light);
      box-shadow: var(--shadow-md);
    }

    .metric-num {
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--primary-cyan);
      margin-bottom: 4px;
      font-family: inherit;
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台支持模型标签流 */
    .models-bar-wrap {
      background: #ffffff;
      padding: 24px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .models-label {
      text-align: center;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.8px;
    }

    .model-tags-flex {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .model-tag-pill {
      display: inline-block;
      padding: 5px 12px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      border: 1px solid var(--primary-border);
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 500;
    }

    /* 平台介绍与关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.6rem;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .about-text p {
      font-size: 0.96rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

    .about-points {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .about-point-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .about-point-item::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      background: var(--primary-cyan);
      color: #fff;
      font-size: 0.75rem;
      border-radius: 50%;
    }

    .about-visual-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-md);
    }

    .about-visual-box .feature-mini-card {
      padding: 14px;
      border-bottom: 1px solid var(--border-color);
    }

    .about-visual-box .feature-mini-card:last-child {
      border-bottom: none;
    }

    .feature-mini-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }

    .feature-mini-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 一站式创作服务网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .service-card-tag {
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--primary-dark);
      background: var(--primary-soft);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
      border: 1px solid var(--primary-border);
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 行业解决方案与智能工具 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      transition: all 0.2s;
    }

    .scenario-card:hover {
      border-color: var(--primary-cyan);
      box-shadow: var(--shadow-sm);
    }

    .scenario-card h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .scenario-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 标准制作流程 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      position: relative;
    }

    .step-badge-num {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
      color: #ffffff;
      font-weight: 700;
      font-size: 1rem;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .step-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 案例展示区 (含真实素材图片) */
    .cases-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .case-banner-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

    .case-banner-item .image-frame {
      width: 100%;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 14px;
      background: #f1f5f9;
    }

    .case-banner-item img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    .case-info h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .case-side-stack {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .case-sub-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .case-sub-card .image-frame {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 10px;
      background: #f1f5f9;
    }

    .case-sub-card img {
      width: 100%;
      height: auto;
      display: block;
    }

    .case-sub-card h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .case-sub-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 对比评测板块 */
    .review-score-hero {
      background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 30px 36px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-md);
    }

    .score-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 0.92rem;
      opacity: 0.9;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-stars {
      color: #facc15;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-number-box {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      padding: 10px 20px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .score-big {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1;
      color: #ffffff;
    }

    .score-scale {
      font-size: 0.8rem;
      opacity: 0.8;
    }

    .compare-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9rem;
    }

    .compare-table th, .compare-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .col-highlight {
      background: var(--primary-soft);
      font-weight: 600;
      color: var(--primary-dark);
    }

    /* Token 比价与算力优势 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      transition: all 0.2s;
    }

    .token-card.featured {
      border-color: var(--primary-cyan);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .token-featured-badge {
      position: absolute;
      top: -10px;
      right: 20px;
      background: var(--primary-cyan);
      color: #ffffff;
      font-size: 0.72rem;
      padding: 2px 10px;
      border-radius: 12px;
      font-weight: 700;
    }

    .token-card h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price-wrap {
      margin: 14px 0;
    }

    .token-price-val {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-dark);
    }

    .token-price-unit {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    .token-card ul {
      list-style: none;
      text-align: left;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 16px 0 20px;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    .token-card ul li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .token-card ul li::before {
      content: "•";
      color: var(--primary-cyan);
      font-size: 1.2rem;
      line-height: 1;
    }

    /* 用户评论卡片 (6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
      position: relative;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 10px;
      border-top: 1px solid #f1f5f9;
      padding-top: 10px;
    }

    .user-avatar-circle {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      border: 1px solid var(--primary-border);
    }

    .user-info-meta h5 {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-info-meta span {
      font-size: 0.76rem;
      color: var(--text-light);
    }

    /* 常见问题 FAQ (折叠面板) */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.2s ease;
    }

    .faq-question {
      width: 100%;
      padding: 16px 20px;
      text-align: left;
      background: transparent;
      border: none;
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-question:hover {
      color: var(--primary-cyan);
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--text-light);
      transition: transform 0.2s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #f8fafc;
    }

    .faq-answer p {
      padding: 0 20px 16px;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* AI 百科 & 行业资讯 */
    .info-dual-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .info-pane {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .info-pane h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
    }

    .info-item-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .info-item-list li a {
      display: block;
      font-size: 0.9rem;
      color: var(--text-muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .info-item-list li a:hover {
      color: var(--primary-cyan);
      padding-left: 4px;
    }

    /* 加盟代理板块 */
    .agent-card-wrap {
      background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .agent-inner-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .agent-left h3 {
      font-size: 1.6rem;
      color: #042f2e;
      margin-bottom: 12px;
    }

    .agent-left p {
      font-size: 0.94rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .agent-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .agent-perks li {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 联系我们与表单接入 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

    .contact-form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: border-color 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-cyan);
      background: #ffffff;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    .btn-submit-form {
      width: 100%;
      padding: 12px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
    }

    .btn-submit-form:hover {
      opacity: 0.95;
    }

    .contact-info-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-detail-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .contact-detail-list strong {
      color: var(--text-main);
    }

    .qr-kefu-wrap {
      text-align: center;
      padding: 16px;
      background: var(--primary-soft);
      border: 1px dashed var(--primary-border);
      border-radius: var(--radius-md);
    }

    .qr-kefu-wrap img {
      width: 120px;
      height: 120px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
      display: inline-block;
    }

    .qr-kefu-tip {
      font-size: 0.8rem;
      color: var(--primary-dark);
      font-weight: 600;
    }

    /* 友情链接与通用页脚 */
    .links-section {
      padding: 24px 0;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 10px;
    }

    .links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .links-flex a {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 40px 0 28px;
      font-size: 0.85rem;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 14px;
    }

    .footer-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      justify-content: center;
    }

    .footer-nav a {
      color: #cbd5e1;
    }

    .footer-nav a:hover {
      color: var(--primary-light);
    }

    .footer-copyright {
      color: #64748b;
      font-size: 0.8rem;
    }

    /* 浮动客服入口与返回顶部 */
    .floating-actions {
      position: fixed;
      right: 20px;
      bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.85rem;
      transition: all 0.2s;
    }

    .float-btn:hover {
      background: var(--primary-cyan);
      color: #ffffff;
      border-color: var(--primary-cyan);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .cases-grid, .agent-inner-grid, .contact-grid, .info-dual-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-container.open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 16px 20px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid var(--border-color);
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-metrics-grid, .services-grid, .scenario-grid, .flow-steps-grid, .token-grid, .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .score-right {
        flex-direction: column;
        align-items: flex-start;
      }
    }