body {
      font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
      color: #1f3a44;
      background-color: #f9fcfd;
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.8rem;
      color: #1e3c4f !important;
    }
    .section-title {
      font-size: 2.4rem;
      font-weight: 700;
      position: relative;
      display: inline-block;
      margin-bottom: 2rem;
    }
    .section-title:after {
      content: '';
      display: block;
      width: 70px;
      height: 4px;
      background: #d98c4a;
      border-radius: 4px;
      margin-top: 10px;
    }
    .contact-card {
      background: white;
      border-radius: 1.5rem;
      padding: 2rem;
      box-shadow: 0 15px 30px rgba(0,40,50,0.05);
      height: 100%;
      transition: 0.2s;
    }
    .contact-card:hover {
      box-shadow: 0 20px 35px rgba(43,92,111,0.1);
    }
    .contact-icon {
      width: 50px;
      height: 50px;
      background: #e7f0f5;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      color: #2b5c6f;
      margin-right: 1rem;
      flex-shrink: 0;
    }
    .social-item {
      background: white;
      border-radius: 3rem;
      padding: 0.8rem 1.5rem;
      box-shadow: 0 5px 15px rgba(0,0,0,0.02);
      transition: 0.2s;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: #1f3a44;
      border: 1px solid #dee9ef;
    }
    .social-item:hover {
      background: #2b5c6f;
      color: white;
      border-color: #2b5c6f;
      transform: translateY(-3px);
    }
    .social-item i {
      font-size: 1.5rem;
    }
    .social-item .bi-wechat { color: #2b5c6f; }
    .social-item:hover .bi-wechat { color: white; }
    .social-item .bi-tiktok { color: #2b5c6f; }
    .social-item:hover .bi-tiktok { color: white; }
    .social-item .bi-shop { color: #2b5c6f; } /* 代表爱采购 */
    .social-item:hover .bi-shop { color: white; }
    .custom-icon-xhs {
      /* 小红书图标自定义 */
      width: 1.5rem;
      height: 1.5rem;
      background: currentColor;
      mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.5 2.5h9a5 5 0 0 1 5 5v9a5 5 0 0 1-5 5h-9a5 5 0 0 1-5-5v-9a5 5 0 0 1 5-5z' fill='black'/%3E%3C/svg%3E") no-repeat center;
      mask-size: contain;
      display: inline-block;
    }
    .btn-cta {
      background: #d98c4a;
      color: white;
      border-radius: 50px;
      padding: 0.8rem 2rem;
      font-weight: 600;
      border: none;
      transition: 0.3s;
    }
    .btn-cta:hover {
      background: #c57633;
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(217,140,74,0.2);
    }
    .form-control, .form-select {
      border-radius: 50px;
      border: 1px solid #d0e0e8;
      padding: 0.75rem 1.5rem;
    }
    .form-control:focus {
      border-color: #2b5c6f;
      box-shadow: 0 0 0 0.2rem rgba(43,92,111,0.15);
    }
    .breadcrumb {
      background: transparent;
      padding: 0.5rem 0;
    }
    .breadcrumb-item a {
      color: #2b5c6f;
      text-decoration: none;
    }
    .map-placeholder {
      background: #e4edf3;
      border-radius: 1.5rem;
      height: 250px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2b5c6f;
      font-size: 1.2rem;
    }
    .footer-link {
      color: #b6ccd9;
      text-decoration: none;
    }
    .footer-link:hover {
      color: white;
    }