:root {
      --primary: #d91424;
      --primary-dark: #b00d1b;
      --primary-light: #ff4d5e;
      --primary-soft: #fff1f2;
      --accent-gold: #e69d00;
      --text-main: #1f2329;
      --text-muted: #5f6672;
      --text-light: #8f95a0;
      --bg-body: #fcf9f9;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --border-color: #f1dedf;
      --shadow-sm: 0 2px 8px rgba(217, 20, 36, 0.05);
      --shadow-md: 0 8px 24px rgba(217, 20, 36, 0.08);
      --shadow-lg: 0 16px 36px rgba(217, 20, 36, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    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-body);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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, 0.96);
      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-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

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

    .brand-logo-wrap img {
      max-height: 42px;
      width: auto;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: all 0.28s ease;
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(217, 20, 36, 0.28);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      box-shadow: 0 6px 18px rgba(217, 20, 36, 0.4);
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary) !important;
      background: #ffffff;
    }

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

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
      border-radius: var(--radius-sm);
    }

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

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 首屏无图 HERO */
    .hero-section {
      background: linear-gradient(180deg, #fff5f5 0%, #ffffff 100%);
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-badge-wrap {
      display: flex;
      justify-content: center;
      margin-bottom: 20px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #ffd2d6;
      color: var(--primary-dark);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      animation: pulseDot 1.8s infinite;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      color: #121417;
      text-align: center;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.8px;
    }

    .hero-title span {
      background: linear-gradient(120deg, var(--primary) 0%, #ff5238 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      max-width: 820px;
      margin: 0 auto 36px;
      font-size: 1.15rem;
      color: var(--text-muted);
      text-align: center;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-cta-group .btn-lg {
      padding: 14px 34px;
      font-size: 1.05rem;
      border-radius: 30px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

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

    .hero-stat-num {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .hero-stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 模块通用样式 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-wrap.bg-light {
      background-color: #fdf6f6;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      background: var(--primary-soft);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid #ffdcd9;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 平台介绍 & 关于我们 */
    .about-card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: 0.3s;
    }

    .about-item:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .about-icon {
      width: 52px;
      height: 52px;
      background: var(--primary-soft);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: bold;
      font-size: 1.3rem;
      margin-bottom: 18px;
    }

    .about-item h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .about-item p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-white);
      border: 1px solid #f3e0e1;
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

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

    .service-card-top {
      margin-bottom: 16px;
    }

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 4px;
      background: #fff0f0;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .service-card h3 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 一站式创作场景矩阵 */
    .feature-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 36px;
    }

    .feature-tag-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--text-main);
      box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    }

    .feature-tag-item.highlight {
      background: var(--primary-soft);
      border-color: #ffc9cb;
      color: var(--primary-dark);
      font-weight: 700;
    }

    .model-chips-container {
      background: #ffffff;
      border: 1px dashed var(--primary-light);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 30px;
    }

    .model-chips-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      text-align: center;
    }

    .model-chips-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
    }

    .model-chip {
      background: #fdf2f2;
      color: #333333;
      padding: 4px 12px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 600;
    }

    /* 流程步骤 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .process-step-num {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--primary-light), var(--primary));
      color: #ffffff;
      font-weight: 800;
      font-size: 1.15rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(217, 20, 36, 0.25);
    }

    .process-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示区包含图片素材 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-gallery-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: 0.3s;
    }

    .case-gallery-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #eee;
    }

    .case-img-wrap img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .case-content {
      padding: 20px;
    }

    .case-content h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* Banner 宣传条 */
    .promo-banner-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 36px;
    }

    .promo-banner-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .promo-banner-item img {
      width: 100%;
      height: 140px;
      object-fit: cover;
    }

    /* 对比评测模块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #d91424 0%, #9e0815 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 36px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: 0 12px 30px rgba(217, 20, 36, 0.25);
    }

    .eval-highlight-left h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .eval-highlight-left p {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    .eval-highlight-scores {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .score-badge {
      text-align: center;
    }

    .score-badge .score-val {
      font-size: 2.6rem;
      font-weight: 900;
      line-height: 1;
      color: #ffeb3b;
    }

    .score-badge .score-label {
      font-size: 0.85rem;
      margin-top: 4px;
      opacity: 0.9;
    }

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

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .eval-table th,
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f2e3e4;
      font-size: 0.92rem;
    }

    .eval-table th {
      background-color: #fff6f6;
      font-weight: 700;
      color: var(--text-main);
    }

    .eval-table tr:hover td {
      background-color: #fffafb;
    }

    .eval-table .highlight-col {
      background-color: #fff8f8;
      font-weight: 700;
      color: var(--primary-dark);
    }

    /* Token 比价与价格体系 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: 0.3s;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: scale(1.02);
    }

    .pricing-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      padding: 3px 14px;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 700;
    }

    .pricing-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .price-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 18px;
    }

    .price-value span {
      font-size: 0.9rem;
      font-weight: normal;
      color: var(--text-muted);
    }

    .pricing-features {
      list-style: none;
      text-align: left;
      margin-bottom: 24px;
    }

    .pricing-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed #f0e1e2;
    }

    /* 加盟代理模块 */
    .agent-card-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .agent-perks-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin: 28px 0;
    }

    .agent-perk-box {
      background: var(--primary-soft);
      border: 1px solid #ffd4d7;
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
    }

    .agent-perk-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .agent-perk-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-rating {
      color: #ff9800;
      font-size: 1rem;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }

    .review-body {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f6e6e7;
      padding-top: 14px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 0.9rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ 常见问题折叠 */
    .faq-container {
      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;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s;
    }

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

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #fdf2f2;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 表单与需求匹配 */
    .form-section-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .form-intro h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .form-intro p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-info-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: var(--text-main);
    }

    .contact-badge-icon {
      width: 32px;
      height: 32px;
      background: var(--primary-soft);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: bold;
    }

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

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

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #e1d3d4;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      outline: none;
      transition: border-color 0.25s, box-shadow 0.25s;
      background: #faf7f7;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(217, 20, 36, 0.12);
      background: #ffffff;
    }

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

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

    .article-item-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: 0.3s;
    }

    .article-item-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }

    .article-meta {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .article-item-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .article-item-card h3 a:hover {
      color: var(--primary);
    }

    .article-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 16px;
    }

    /* AI 百科 & 词条 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .wiki-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }

    .wiki-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

    .wiki-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 友情链接与底部主信息区 */
    .site-footer {
      background: #181a1f;
      color: #b0b4be;
      padding: 60px 0 30px;
      border-top: 3px solid var(--primary);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 24px;
      height: 2px;
      background: var(--primary);
    }

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

    .footer-links a {
      color: #a1a6b3;
    }

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

    .footer-qr-wrap {
      background: #ffffff;
      padding: 8px;
      border-radius: 8px;
      display: inline-block;
      max-width: 110px;
      margin-top: 10px;
    }

    .footer-qr-wrap img {
      width: 100%;
      height: auto;
      display: block;
    }

    .friend-links-box {
      border-top: 1px solid #282b34;
      padding-top: 24px;
      margin-bottom: 30px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-list a {
      color: #8c92a4;
      font-size: 0.85rem;
    }

    .friend-links-list a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-bottom-bar {
      border-top: 1px solid #242730;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: #707584;
    }

    /* 浮动客服 */
    .floating-contact-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(217, 20, 36, 0.4);
      cursor: pointer;
      font-size: 0.8rem;
      font-weight: bold;
      transition: transform 0.25s, background 0.25s;
    }

    .floating-btn:hover {
      transform: scale(1.1);
      background: var(--primary-dark);
    }

    /* 动画 */
    @keyframes pulseDot {
      0% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(217, 20, 36, 0.7); }
      70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 6px rgba(217, 20, 36, 0); }
      100% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(217, 20, 36, 0); }
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .about-card-grid, .services-grid, .case-gallery-grid, .reviews-grid, .articles-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
      .process-grid, .agent-perks-grid { grid-template-columns: repeat(2, 1fr); }
      .form-section-wrapper { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .nav-links { display: none; }
      .mobile-menu-toggle { display: block; }
    }

    @media (max-width: 640px) {
      .hero-title { font-size: 1.75rem; }
      .hero-subtitle { font-size: 0.95rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .about-card-grid, .services-grid, .case-gallery-grid, .reviews-grid, .articles-grid, .pricing-grid, .wiki-grid, .promo-banner-grid { grid-template-columns: 1fr; }
      .process-grid, .agent-perks-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .eval-highlight-box { flex-direction: column; text-align: center; }
      .eval-highlight-scores { justify-content: center; }
      .form-section-wrapper { padding: 24px 16px; }
    }