:root {
      --primary: #059669;
      --primary-hover: #047857;
      --primary-light: #ecfdf5;
      --primary-glow: #10b981;
      --accent-lime: #10b981;
      --accent-bright: #00f59b;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8faf9;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-emerald: #a7f3d0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 14px rgba(5, 150, 105, 0.08);
      --shadow-lg: 0 12px 30px rgba(5, 150, 105, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      font-size: 16px;
      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: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ai-page-logo {
      height: 40px;
      width: auto;
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-header-cta {
      background: linear-gradient(135deg, #10b981, #059669);
      color: #ffffff !important;
      padding: 9px 20px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    }
    .btn-header-cta:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px;
      cursor: pointer;
    }

    /* 模块通用样式 */
    .section-wrap {
      padding: 70px 0;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 45px auto;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background-color: var(--primary-light);
      color: var(--primary);
      border: 1px solid var(--border-emerald);
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* Hero 首屏 (严格无图片) */
    .hero-section {
      background: linear-gradient(180deg, #ecfdf5 0%, #f8faf9 100%);
      padding: 70px 0 60px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-container {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }
    .hero-badge-glow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--accent-lime);
      color: var(--primary-hover);
      padding: 6px 18px;
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
      margin-bottom: 24px;
    }
    .hero-badge-glow .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-lime);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-lime);
    }
    .hero-main-title {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.2;
      color: #064e3b;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px auto;
      line-height: 1.65;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }
    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 50px;
      box-shadow: 0 10px 25px rgba(5, 150, 105, 0.3);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 30px rgba(5, 150, 105, 0.4);
    }
    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      font-size: 1.05rem;
      font-weight: 600;
      padding: 15px 30px;
      border-radius: 50px;
    }
    .btn-hero-secondary:hover {
      background-color: var(--primary-light);
      border-color: var(--border-emerald);
      color: var(--primary);
    }

    /* 核心数据指标卡 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }
    .stat-card-clean {
      background: #ffffff;
      border: 1px solid #e6f4ea;
      padding: 22px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease;
    }
    .stat-card-clean:hover {
      transform: translateY(-3px);
      border-color: var(--border-emerald);
    }
    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 支持模型标签云 */
    .model-tags-section {
      background: #ffffff;
      padding: 30px 0;
      border-bottom: 1px solid var(--border-color);
    }
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      align-items: center;
    }
    .model-tag-title {
      font-weight: 700;
      color: var(--primary-hover);
      margin-right: 8px;
      font-size: 0.95rem;
    }
    .model-pill {
      background: #f1fbf5;
      border: 1px solid #c8ecd7;
      color: #065f46;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 30px;
      transition: all 0.2s ease;
    }
    .model-pill:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* 平台介绍 & 核心卖点 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .intro-text-box h3 {
      font-size: 1.8rem;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .intro-text-box p {
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .intro-features-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .intro-feat-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 14px;
      border-radius: var(--radius-sm);
    }
    .feat-icon {
      color: var(--primary);
      font-weight: bold;
      font-size: 1.1rem;
      line-height: 1;
    }
    .intro-card-highlight {
      background: linear-gradient(145deg, #064e3b 0%, #047857 100%);
      color: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
    }
    .intro-card-highlight h4 {
      font-size: 1.4rem;
      margin-bottom: 14px;
      color: var(--accent-bright);
    }
    .intro-card-highlight p {
      color: #d1fae5;
      margin-bottom: 20px;
      font-size: 0.95rem;
    }
    .highlight-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .highlight-badge {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.85rem;
    }

    /* 服务能力卡片 (AIGC服务 & 一站式制作) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-emerald);
      box-shadow: var(--shadow-md);
    }
    .service-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .service-icon-box {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .service-tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .service-mini-tag {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* 行业方案展示 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      gap: 20px;
    }
    .scenario-badge-num {
      width: 36px;
      height: 36px;
      flex-shrink: 0;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .scenario-info h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scenario-info p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 标准流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      text-align: center;
    }
    .step-circle {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px auto;
      background: var(--primary-light);
      border: 2px solid var(--primary);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .step-box h4 {
      font-size: 1.05rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .step-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心 (素材图应用) */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 30px;
    }
    .case-banner-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-banner-card .img-wrap {
      width: 100%;
      background: #f1f5f9;
    }
    .case-content-pad {
      padding: 20px;
    }
    .case-content-pad h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .case-content-pad p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .case-dual-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    /* 对比评测 (严格要求 9.9分 / 满分10分 / 五星) */
    .eval-box {
      background: #ffffff;
      border: 2px solid var(--border-emerald);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .eval-header-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 16px;
    }
    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-badge-large {
      background: linear-gradient(135deg, #10b981, #059669);
      color: #ffffff;
      padding: 12px 24px;
      border-radius: var(--radius-md);
      text-align: center;
    }
    .score-num {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }
    .score-total {
      font-size: 0.85rem;
      opacity: 0.9;
    }
    .eval-rating-text h3 {
      font-size: 1.35rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .stars-text {
      color: #f59e0b;
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: 2px;
    }
    .compare-table-wrap {
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th,
    .compare-table td {
      padding: 16px 14px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }
    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table td.highlight-col {
      background: #f0fdf4;
      font-weight: 600;
      color: var(--primary-hover);
    }

    /* Token 比价与代理加盟 */
    .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;
      display: flex;
      flex-direction: column;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      position: relative;
      box-shadow: var(--shadow-lg);
    }
    .featured-label {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      padding: 4px 16px;
      border-radius: 50px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    .price-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .price-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .price-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .price-features {
      list-style: none;
      text-align: left;
      margin-bottom: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .price-features li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .price-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 客户评论 6 条 */
    .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;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: normal;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }
    .reviewer-avatar-char {
      width: 38px;
      height: 38px;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .reviewer-info h5 {
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .reviewer-info p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 (不少于 10 条) */
    .faq-wrapper {
      max-width: 880px;
      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: border-color 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--border-emerald);
    }
    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      font-size: 1rem;
      color: var(--text-main);
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--text-light);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }
    .faq-answer {
      display: none;
      padding: 0 22px 18px 22px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 行业资讯 & AI百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }
    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }
    .article-box h4 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-color);
    }
    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-links-list li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .article-links-list li a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    /* 联系我们 & 需求表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: flex-start;
    }
    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .contact-info-panel h4 {
      font-size: 1.3rem;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .contact-detail-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }
    .contact-qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      padding-top: 18px;
      border-top: 1px solid var(--border-color);
    }
    .qr-img-box {
      width: 110px;
      height: 110px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .qr-tips h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .qr-tips p {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    .form-panel {
      background: #ffffff;
      border: 1px solid var(--border-emerald);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .form-panel h4 {
      font-size: 1.3rem;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.88rem;
      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: 0.92rem;
      outline: none;
      font-family: inherit;
      transition: border-color 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }
    .btn-submit-form {
      width: 100%;
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      border: none;
      padding: 13px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
      transition: all 0.25s ease;
    }
    .btn-submit-form:hover {
      background: #047857;
    }

    /* 友情链接 */
    .links-section {
      background: #f8faf9;
      border-top: 1px solid var(--border-color);
      padding: 24px 0;
    }
    .links-container {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-light);
    }
    .links-title {
      font-weight: 700;
      color: var(--text-muted);
    }
    .links-container a {
      color: var(--text-muted);
    }
    .links-container a:hover {
      color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
      background-color: #064e3b;
      color: #d1fae5;
      padding: 36px 0;
      border-top: 1px solid #047857;
    }
    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .footer-brand h4 {
      font-size: 1.15rem;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .footer-brand p {
      font-size: 0.85rem;
      color: #a7f3d0;
    }
    .footer-copy {
      font-size: 0.85rem;
      color: #a7f3d0;
      text-align: right;
    }

    /* 浮动客服入口 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
      cursor: pointer;
      font-size: 1.2rem;
      font-weight: bold;
      transition: all 0.25s ease;
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: #047857;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-main-title {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid,
      .reviews-grid,
      .pricing-grid,
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .case-gallery-grid,
      .articles-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .section-wrap {
        padding: 50px 0;
      }
      .hero-main-title {
        font-size: 1.8rem;
      }
      .hero-stats-grid,
      .services-grid,
      .scenario-grid,
      .reviews-grid,
      .pricing-grid,
      .steps-grid,
      .case-dual-row {
        grid-template-columns: 1fr;
      }
      .footer-inner {
        flex-direction: column;
        text-align: center;
      }
      .footer-copy {
        text-align: center;
      }
    }