/* ----- 基础与多彩涂鸦风格变量 ----- */
    :root {
      --bg-base: #fdfaf5;
      --bg-soft: #fff7e9;
      --text-dark: #1e1b1a;
      --text-body: #2d2a27;
      --text-muted: #5f5b57;
      --primary: #ff6b4a;
      --primary-soft: #ffe3d8;
      --secondary: #2a9d8f;
      --secondary-soft: #d6f1ed;
      --accent: #e9c46a;
      --accent-soft: #fdf2d9;
      --blue-soft: #d4e6f1;
      --blue: #2e6b9e;
      --radius-card: 20px;
      --radius-btn: 40px;
      --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.02);
      --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.08);
      --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-base);
      background-image: radial-gradient(circle at 10% 20%, rgba(255, 107, 74, 0.03) 0%, transparent 30%),
                        radial-gradient(circle at 90% 60%, rgba(42, 157, 143, 0.04) 0%, transparent 35%),
                        radial-gradient(circle at 40% 90%, rgba(233, 196, 106, 0.05) 0%, transparent 30%);
      color: var(--text-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* ----- 通用动画 ----- */
    @keyframes fadeUp {
      0% { opacity: 0; transform: translateY(24px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    @keyframes floatSoft {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-8px); }
      100% { transform: translateY(0px); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ----- 导航 ----- */
    .site-header {
      background: rgba(253, 250, 245, 0.92);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      flex-wrap: wrap;
      gap: 12px;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .logo-img {
      max-width: 110px;
      height: auto;
      display: block;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      text-decoration: none;
      border-radius: 40px;
      transition: background 0.2s, color 0.2s;
      white-space: nowrap;
    }

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

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 10px 24px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 15px;
      text-decoration: none;
      transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
      cursor: pointer;
      border: none;
      line-height: 1.3;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 6px 16px rgba(255, 107, 74, 0.25);
    }

    .btn-primary:hover {
      background: #e55a3c;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(255, 107, 74, 0.35);
    }

    .btn-outline {
      background: transparent;
      color: var(--text-dark);
      border: 1.5px solid var(--text-dark);
    }

    .btn-outline:hover {
      background: var(--text-dark);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: var(--secondary);
      color: #fff;
      box-shadow: 0 6px 16px rgba(42, 157, 143, 0.25);
    }

    .btn-secondary:hover {
      background: #22857a;
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1.5px solid var(--text-dark);
      border-radius: 40px;
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* ----- Hero 首屏（无图片） ----- */
    .hero-section {
      padding: 60px 0 50px;
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: clamp(2rem, 4.6vw, 3.4rem);
      font-weight: 800;
      line-height: 1.15;
      color: var(--text-dark);
      letter-spacing: -0.02em;
      margin-bottom: 18px;
    }

    .hero-content h1 span {
      color: var(--primary);
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      max-width: 480px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 32px;
    }

    .hero-stats {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
    }

    .stat-item {
      display: flex;
      flex-direction: column;
    }

    .stat-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.2;
    }

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

    /* 右侧纯 CSS 视觉块 */
    .hero-visual {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 320px;
    }

    .visual-blob {
      width: 100%;
      max-width: 420px;
      aspect-ratio: 1/1;
      background: linear-gradient(135deg, var(--primary-soft) 0%, var(--secondary-soft) 50%, var(--accent-soft) 100%);
      border-radius: 62% 38% 46% 54% / 54% 46% 54% 46%;
      animation: floatSoft 8s ease-in-out infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    }

    .visual-blob::after {
      content: '';
      position: absolute;
      inset: 10%;
      border-radius: 50%;
      border: 2px dashed rgba(255, 107, 74, 0.25);
    }

    .floating-tag {
      position: absolute;
      background: #fff;
      padding: 8px 18px;
      border-radius: 40px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-dark);
      box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
      display: flex;
      align-items: center;
      gap: 6px;
      animation: floatSoft 6s ease-in-out infinite;
      white-space: nowrap;
    }

    .tag-1 { top: 10%; right: 5%; animation-delay: 0s; }
    .tag-2 { bottom: 18%; left: 0%; animation-delay: 1.5s; }
    .tag-3 { top: 45%; left: 5%; animation-delay: 0.8s; }
    .tag-4 { bottom: 5%; right: 10%; animation-delay: 2s; }

    .dot-icon {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: inline-block;
    }

    /* ----- 通用 Section ----- */
    .section {
      padding: 60px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--primary);
      background: var(--primary-soft);
      padding: 4px 14px;
      border-radius: 40px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(1.8rem, 3.8vw, 2.6rem);
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.2;
      margin-bottom: 12px;
    }

    .section-sub {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* 卡片通用 */
    .card {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 28px 24px;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      border: 1px solid rgba(0, 0, 0, 0.02);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 16px;
      background: var(--primary-soft);
      color: var(--primary);
      flex-shrink: 0;
    }

    .card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 网格通用 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: start;
    }

    /* 数据指标条 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      background: #fff;
      border-radius: var(--radius-card);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
      margin-top: 40px;
    }

    .metric-item {
      text-align: center;
    }

    .metric-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 服务能力卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 24px;
    }

    /* 流程步骤 */
    .steps-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
      counter-reset: step;
    }

    .step-item {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 28px 22px;
      box-shadow: var(--shadow-card);
      position: relative;
      counter-increment: step;
      transition: transform 0.25s;
    }

    .step-item:hover {
      transform: translateY(-4px);
    }

    .step-item::before {
      content: counter(step, decimal-leading-zero);
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary-soft);
      line-height: 1;
      display: block;
      margin-bottom: 12px;
    }

    .step-item h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .step-item p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    /* 对比表格 */
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .comparison-table th {
      background: var(--text-dark);
      color: #fff;
      font-weight: 600;
      padding: 16px 18px;
      text-align: left;
      font-size: 0.95rem;
    }

    .comparison-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #f0ece8;
      font-size: 0.95rem;
      color: var(--text-body);
    }

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

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

    .rating-block {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #fff;
      border-radius: var(--radius-card);
      padding: 24px 28px;
      box-shadow: var(--shadow-card);
      margin-bottom: 28px;
    }

    .rating-score {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }

    .rating-detail {
      font-size: 1rem;
      color: var(--text-body);
    }

    .stars {
      color: var(--accent);
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    /* FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #fff;
      border-radius: 16px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: box-shadow 0.2s;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-hover);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 22px;
      cursor: pointer;
      font-weight: 600;
      color: var(--text-dark);
      font-size: 1rem;
      user-select: none;
      gap: 16px;
    }

    .faq-question .icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: var(--primary);
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 22px 18px;
    }

    /* 客户评论 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 26px 22px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--secondary-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--secondary);
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .review-name {
      font-weight: 700;
      color: var(--text-dark);
    }

    .review-role {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .review-stars {
      color: var(--accent);
      font-size: 0.95rem;
      letter-spacing: 1px;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      flex-grow: 1;
    }

    /* 案例 / 图片区 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }

    .case-card {
      background: #fff;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: var(--bg-soft);
    }

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

    .case-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-body {
      padding: 20px;
    }

    .case-body h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

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

    /* 文章列表 */
    .article-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      list-style: none;
    }

    .article-list li {
      background: #fff;
      border-radius: 14px;
      padding: 18px 20px;
      box-shadow: var(--shadow-card);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .article-list li:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .article-list li a {
      text-decoration: none;
      font-weight: 600;
      color: var(--text-dark);
      display: block;
      font-size: 0.95rem;
    }

    .article-list li a:hover {
      color: var(--primary);
    }

    /* 标签云 */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-cloud span {
      background: #fff;
      border: 1px solid #eee7df;
      padding: 6px 16px;
      border-radius: 40px;
      font-size: 0.85rem;
      color: var(--text-muted);
      transition: background 0.2s, color 0.2s, border-color 0.2s;
      cursor: default;
    }

    .tag-cloud span:hover {
      background: var(--primary-soft);
      color: var(--primary);
      border-color: var(--primary-soft);
    }

    /* 价格参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 20px;
    }

    .price-card {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 24px 20px;
      box-shadow: var(--shadow-card);
      text-align: center;
      transition: transform 0.25s, box-shadow 0.25s;
    }

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

    .price-name {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .price-value {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.2;
    }

    .price-value small {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-muted);
    }

    .price-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* 表单 */
    .form-wrap {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 32px 28px;
      box-shadow: var(--shadow-card);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .form-grid .full-width {
      grid-column: 1 / -1;
    }

    .form-item label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .form-item input,
    .form-item select,
    .form-item textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #e5dfd8;
      border-radius: 12px;
      font-size: 0.95rem;
      font-family: inherit;
      background: var(--bg-base);
      color: var(--text-dark);
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .form-item input:focus,
    .form-item select:focus,
    .form-item textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.12);
    }

    .form-item textarea {
      min-height: 100px;
      resize: vertical;
    }

    .form-submit {
      margin-top: 6px;
    }

    /* 友情链接 */
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      list-style: none;
      padding: 0;
    }

    .friend-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

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

    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 90px;
      z-index: 200;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      background: #fff;
      border-radius: 50px;
      padding: 8px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
      cursor: pointer;
      transition: transform 0.2s;
    }

    .float-kefu:hover {
      transform: scale(1.05);
    }

    .float-kefu img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      object-fit: cover;
    }

    .kefu-tooltip {
      position: absolute;
      right: 100%;
      margin-right: 12px;
      background: var(--text-dark);
      color: #fff;
      font-size: 0.8rem;
      padding: 6px 14px;
      border-radius: 8px;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s;
    }

    .float-kefu:hover .kefu-tooltip {
      opacity: 1;
    }

    .back-top {
      position: fixed;
      right: 22px;
      bottom: 24px;
      z-index: 200;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--text-dark);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
      cursor: pointer;
      border: none;
      transition: background 0.2s, transform 0.2s;
      opacity: 0;
      pointer-events: none;
    }

    .back-top.visible {
      opacity: 1;
      pointer-events: auto;
    }

    .back-top:hover {
      background: var(--primary);
      transform: translateY(-2px);
    }

    /* 页脚 */
    .site-footer {
      background: #1e1b1a;
      color: #d1cdc7;
      padding: 48px 0 0;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 32px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: #a8a29e;
      margin-top: 14px;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-brand .logo-img {
      max-width: 100px;
      filter: brightness(0.95);
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      color: #a8a29e;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

    .footer-col ul li a:hover {
      color: #fff;
    }

    .footer-contact p {
      font-size: 0.9rem;
      color: #a8a29e;
      margin-bottom: 6px;
    }

    .footer-contact a {
      color: #a8a29e;
      text-decoration: none;
    }

    .footer-contact a:hover {
      color: #fff;
    }

    .footer-bottom {
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: #78736e;
    }

    .footer-bottom a {
      color: #78736e;
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: #fff;
    }

    .friend-links-footer {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .friend-links-footer a {
      color: #a8a29e;
      font-size: 0.85rem;
      text-decoration: none;
    }

    .friend-links-footer a:hover {
      color: #fff;
    }

    /* 移动端导航抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.3);
      z-index: 300;
      opacity: 0;
      transition: opacity 0.3s;
      pointer-events: none;
    }

    .mobile-drawer.open {
      display: block;
      opacity: 1;
      pointer-events: auto;
    }

    .drawer-inner {
      position: absolute;
      top: 0;
      right: 0;
      width: min(300px, 80vw);
      height: 100%;
      background: #fff;
      padding: 24px 20px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      overflow-y: auto;
      transform: translateX(100%);
      transition: transform 0.3s ease;
      border-radius: 20px 0 0 20px;
    }

    .mobile-drawer.open .drawer-inner {
      transform: translateX(0);
    }

    .drawer-inner a {
      padding: 12px 10px;
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 500;
      border-radius: 10px;
      transition: background 0.2s;
    }

    .drawer-inner a:hover {
      background: var(--primary-soft);
      color: var(--primary);
    }

    .drawer-close {
      align-self: flex-end;
      background: none;
      border: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: var(--text-dark);
      padding: 4px 8px;
      margin-bottom: 8px;
    }

    /* ----- 响应式 ----- */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .hero-visual {
        order: -1;
        min-height: 240px;
      }
      .visual-blob {
        max-width: 300px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: inline-block;
      }
      .nav-cta .btn-outline {
        display: none;
      }
      .grid-2 {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .hero-section {
        padding: 40px 0 30px;
      }
      .section {
        padding: 44px 0;
      }
      .rating-block {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .comparison-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }
    }

    @media (max-width: 480px) {
      .hero-actions .btn {
        width: 100%;
        justify-content: center;
      }
      .hero-stats {
        gap: 18px;
      }
      .stat-number {
        font-size: 1.5rem;
      }
      .metrics-bar {
        grid-template-columns: 1fr 1fr;
        padding: 24px 18px;
      }
      .service-grid,
      .review-grid,
      .case-grid {
        grid-template-columns: 1fr;
      }
      .float-kefu {
        right: 14px;
        bottom: 80px;
        padding: 6px;
      }
      .float-kefu img {
        width: 34px;
        height: 34px;
      }
    }

    /* 首屏免图 */
    .no-img-hero {
      background: transparent;
    }

    /* 隐藏图片占位（无资源时） */
    .img-fallback {
      display: none;
    }