:root {
      --primary-red: #d91c29;
      --primary-crimson: #ba1220;
      --primary-light: #fff2f2;
      --primary-gradient: linear-gradient(135deg, #e62835 0%, #ba1220 100%);
      --accent-gold: #e6a23c;
      --accent-warm: #ff6b4a;
      
      --bg-page: #fdfbfb;
      --bg-surface: #ffffff;
      --bg-subtle: #fbf5f5;
      --bg-card: #ffffff;
      
      --text-main: #1d2129;
      --text-regular: #4e5969;
      --text-muted: #86909c;
      --text-white: #ffffff;
      
      --border-color: #f2d8d8;
      --border-subtle: #fae8e8;
      --shadow-sm: 0 2px 8px rgba(186, 18, 32, 0.05);
      --shadow-md: 0 8px 24px rgba(186, 18, 32, 0.08);
      --shadow-lg: 0 16px 36px rgba(186, 18, 32, 0.12);
      
      --container-max: 1200px;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      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-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-subtle);
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-crimson);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 13px;
      font-size: 14.5px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-red);
      background-color: var(--primary-light);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14.5px;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      line-height: 1.2;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: var(--text-white);
      box-shadow: 0 4px 14px rgba(217, 28, 41, 0.32);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #f03542 0%, #a40e1b 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(217, 28, 41, 0.42);
      color: var(--text-white);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--primary-red);
      color: var(--primary-red);
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 首屏 HERO（纯 CSS 科技热烈红，首屏绝对无图） */
    .hero-section {
      position: relative;
      padding: 84px 0 76px 0;
      background: radial-gradient(circle at 85% 15%, #ffecec 0%, #ffffff 55%, #fff5f5 100%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-subtle);
    }

    .hero-decor-circle {
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(230, 40, 53, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
      top: -120px;
      right: -80px;
      pointer-events: none;
    }

    .hero-decor-badge-glow {
      position: absolute;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 107, 74, 0.06) 0%, rgba(255, 255, 255, 0) 70%);
      bottom: -60px;
      left: 10%;
      pointer-events: none;
    }

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

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      border-radius: 30px;
      color: var(--primary-crimson);
      font-size: 13.5px;
      font-weight: 600;
      margin-bottom: 22px;
      letter-spacing: 0.5px;
    }

    .hero-title {
      font-size: 42px;
      line-height: 1.28;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      color: var(--primary-red);
    }

    .hero-subtitle {
      font-size: 18px;
      line-height: 1.65;
      color: var(--text-regular);
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .hero-cta-group .btn {
      padding: 13px 32px;
      font-size: 16px;
    }

    /* 首屏数据指标卡片（纯 CSS） */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .stat-card {
      background: var(--bg-surface);
      padding: 22px 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

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

    .stat-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-crimson);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 13.5px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用 Section 布局 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-wrap.bg-light {
      background-color: var(--bg-subtle);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }

    .section-subtitle {
      font-size: 13.5px;
      font-weight: 700;
      color: var(--primary-red);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
      display: block;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 15.5px;
      color: var(--text-regular);
      line-height: 1.6;
    }

    /* 平台介绍 (About) */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 44px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 18px;
      color: var(--text-main);
      line-height: 1.35;
    }

    .about-text p {
      font-size: 15px;
      color: var(--text-regular);
      margin-bottom: 16px;
    }

    .about-feature-list {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .about-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14.5px;
      font-weight: 600;
      color: var(--text-main);
    }

    .about-feature-item::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: var(--primary-light);
      color: var(--primary-red);
      border-radius: 50%;
      font-size: 12px;
      font-weight: 800;
    }

    .about-media-box {
      background: var(--bg-surface);
      padding: 12px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .about-media-box img {
      border-radius: var(--radius-md);
      width: 100%;
    }

    /* 支持模型矩阵标签云 */
    .models-cloud-wrap {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      margin-top: 48px;
      text-align: center;
    }

    .models-cloud-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-crimson);
      margin-bottom: 20px;
    }

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

    .model-tag {
      padding: 7px 16px;
      background: var(--bg-subtle);
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-regular);
      transition: var(--transition);
    }

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

    /* AIGC 服务与场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-red);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-red);
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .service-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .service-link {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--primary-red);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .service-link:hover {
      color: var(--primary-crimson);
      text-decoration: underline;
    }

    /* 行业解决方案与素材图 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .solution-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .solution-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background-color: var(--bg-subtle);
    }

    .solution-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .solution-card:hover .solution-img-wrap img {
      transform: scale(1.04);
    }

    .solution-body {
      padding: 22px 20px;
    }

    .solution-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .solution-desc {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.55;
    }

    /* 标准制作流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .process-number {
      width: 38px;
      height: 38px;
      background: var(--primary-gradient);
      color: var(--text-white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 800;
      margin: 0 auto 16px auto;
    }

    .process-step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .process-step-desc {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.55;
    }

    /* 案例中心展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .case-featured-img {
      background: var(--bg-surface);
      padding: 10px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

    .case-featured-img img {
      border-radius: var(--radius-md);
      width: 100%;
    }

    .case-items-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .case-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .case-item:hover {
      border-color: var(--primary-red);
      transform: translateX(4px);
    }

    .case-item-title {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .case-tag {
      font-size: 12px;
      padding: 2px 8px;
      background: var(--primary-light);
      color: var(--primary-red);
      border-radius: 4px;
      font-weight: 600;
    }

    .case-item-desc {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.5;
    }

    /* 对比评测板块 */
    .evaluation-card {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-subtle);
      padding-bottom: 24px;
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-brand-info h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .eval-rating-badge {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .eval-stars {
      color: var(--accent-gold);
      font-size: 22px;
      letter-spacing: 2px;
    }

    .eval-score-box {
      background: var(--primary-gradient);
      color: var(--text-white);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 16px;
      font-weight: 800;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14.5px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 18px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .comparison-table th {
      background-color: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }

    .comparison-table td.highlight {
      color: var(--primary-crimson);
      font-weight: 700;
      background-color: var(--primary-light);
    }

    /* 需求匹配与表单 */
    .matching-form-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-info h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .form-info p {
      font-size: 14.5px;
      color: var(--text-regular);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-fast-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
    }

    .contact-fast-list strong {
      color: var(--primary-crimson);
    }

    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 14.5px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background-color: #fff;
    }

    .form-control:focus {
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(217, 28, 41, 0.12);
    }

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

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

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

    .token-card.featured::before {
      content: "爆款推荐";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-gradient);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 20px;
    }

    .token-card:hover {
      transform: translateY(-4px);
    }

    .token-tier-name {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary-crimson);
      margin-bottom: 8px;
    }

    .token-price-unit {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .token-features {
      list-style: none;
      margin: 20px 0 24px 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
      color: var(--text-regular);
    }

    /* 加盟代理板块 */
    .partner-box {
      background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px 36px;
      box-shadow: var(--shadow-md);
    }

    .partner-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .partner-feature-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
    }

    .partner-feature-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-crimson);
      margin-bottom: 8px;
    }

    .partner-feature-card p {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.55;
    }

    /* 客户评论板块 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .review-content {
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary-red);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .author-name {
      font-size: 14.5px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-role {
      font-size: 12.5px;
      color: var(--text-muted);
    }

    /* 帮助中心 & AI百科 */
    .knowledge-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .knowledge-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 22px;
      box-shadow: var(--shadow-sm);
    }

    .knowledge-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-crimson);
      margin-bottom: 10px;
    }

    .knowledge-card p {
      font-size: 14px;
      color: var(--text-regular);
      line-height: 1.6;
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-red);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      outline: none;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--primary-red);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background-color: var(--bg-subtle);
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 16px 22px 20px 22px;
      border-top: 1px solid var(--border-subtle);
    }

    .faq-answer p {
      font-size: 14.5px;
      color: var(--text-regular);
      line-height: 1.65;
    }

    /* 行业资讯与最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .news-title {
      font-size: 16.5px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .news-desc {
      font-size: 13.5px;
      color: var(--text-regular);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12.5px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-subtle);
      padding-top: 12px;
    }

    .news-link-btn {
      color: var(--primary-red);
      font-weight: 600;
    }

    /* 服务网络 */
    .network-bar {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .network-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 16px;
    }

    .network-badge {
      padding: 6px 14px;
      background: var(--primary-light);
      color: var(--primary-crimson);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
    }

    /* 页脚设计 (保证可读性，深色文字浅底或对比明确) */
    .site-footer {
      background-color: #24080b;
      color: #f7e6e6;
      padding: 64px 0 28px 0;
      border-top: 3px solid var(--primary-red);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 28px;
      height: 2px;
      background-color: var(--primary-red);
    }

    .footer-desc {
      font-size: 13.5px;
      color: #d1b8b8;
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 13.5px;
      color: #d1b8b8;
    }

    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-contact-item {
      font-size: 13.5px;
      color: #d1b8b8;
      margin-bottom: 10px;
      line-height: 1.5;
    }

    .footer-qrcode-box {
      background: #ffffff;
      padding: 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      width: 110px;
      margin-top: 8px;
    }

    .footer-qrcode-box img {
      width: 100%;
      height: auto;
    }

    .footer-friendly-links {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friendly-links-title {
      font-size: 13.5px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    .friendly-links-flex a {
      font-size: 13px;
      color: #d1b8b8;
    }

    .friendly-links-flex a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #aa9090;
    }

    /* 浮动工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-crimson);
      font-size: 18px;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary-gradient);
      color: #fff;
      border-color: transparent;
      transform: scale(1.08);
    }

    .float-qr-popup {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 10px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      width: 140px;
      display: none;
      text-align: center;
    }

    .float-qr-popup p {
      font-size: 12px;
      color: var(--text-main);
      margin-top: 6px;
      font-weight: 600;
    }

    .float-btn.kefu:hover .float-qr-popup {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 32px;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .solutions-grid,
      .token-grid,
      .reviews-grid,
      .news-grid,
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-grid,
      .matching-form-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .mobile-nav-active .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        padding: 20px;
        gap: 8px;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 26px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .solutions-grid,
      .token-grid,
      .reviews-grid,
      .news-grid,
      .partner-grid,
      .process-timeline,
      .knowledge-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .matching-form-wrap {
        padding: 24px;
      }
      .eval-score-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }