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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: linear-gradient(135deg, #6C8EBF 0%, #D6E3F8 100%);
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .container {
      background: #ffffff;
      max-width: 800px;
      width: 100%;
      border-radius: 16px;
      box-shadow: 0 20px 60px rgba(108, 142, 191, 0.3);
      overflow: hidden;
    }

    .header {
      background: linear-gradient(135deg, #6C8EBF 0%, #8FA8C9 100%);
      color: white;
      padding: 50px 40px;
      text-align: center;
    }

    .header h1 {
      font-size: 36px;
      font-weight: 700;
      margin-bottom: 15px;
      letter-spacing: 2px;
    }

    .header p {
      font-size: 16px;
      opacity: 0.95;
      line-height: 1.6;
    }

    .content {
      padding: 50px 40px;
    }

    .contact-section {
      margin-bottom: 50px;
      animation: fadeInUp 0.6s ease;
    }

    .contact-section:nth-child(2) {
      animation-delay: 0.2s;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .section-title {
      font-size: 24px;
      font-weight: 700;
      color: #333;
      margin-bottom: 25px;
      padding-bottom: 12px;
      border-bottom: 3px solid #6C8EBF;
      letter-spacing: 1px;
    }

    .contact-card {
      background: linear-gradient(135deg, #F5F5F5 0%, #E8EDF5 100%);
      border-radius: 12px;
      padding: 30px;
      text-align: center;
      transition: all 0.3s ease;
      border: 2px solid transparent;
    }

    .contact-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(108, 142, 191, 0.3);
      border-color: #6C8EBF;
    }

    .contact-icon {
      font-size: 64px;
      margin-bottom: 20px;
      display: inline-block;
    }

    .contact-name {
      font-size: 22px;
      font-weight: 700;
      color: #6C8EBF;
      margin-bottom: 12px;
    }

    .contact-desc {
      font-size: 15px;
      color: #666;
      line-height: 1.8;
      margin-bottom: 25px;
    }

    .contact-qq {
      font-size: 18px;
      color: #5A7AA8;
      font-weight: 600;
      background: white;
      padding: 10px 20px;
      border-radius: 6px;
      display: inline-block;
      margin-bottom: 20px;
    }

    .btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      justify-content: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 35px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: linear-gradient(135deg, #6C8EBF 0%, #8FA8C9 100%);
      color: white;
      box-shadow: 0 4px 15px rgba(108, 142, 191, 0.3);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(108, 142, 191, 0.5);
      transform: translateY(-3px);
    }

    .btn-secondary {
      background: white;
      color: #6C8EBF;
      border: 2px solid #6C8EBF;
    }

    .btn-secondary:hover {
      background: #6C8EBF;
      color: white;
      transform: translateY(-3px);
    }

    .btn-icon {
      font-size: 20px;
      margin-right: 8px;
    }

    .info-box {
      background: #FFF8E1;
      border-left: 4px solid #FFB800;
      border-radius: 8px;
      padding: 20px;
      margin-top: 40px;
    }

    .info-title {
      font-size: 16px;
      font-weight: 700;
      color: #856404;
      margin-bottom: 10px;
    }

    .info-text {
      font-size: 14px;
      color: #856404;
      line-height: 1.8;
    }

    .footer {
      background: #F5F5F5;
      padding: 25px;
      text-align: center;
      font-size: 14px;
      color: #666;
      border-top: 1px solid rgba(108, 142, 191, 0.1);
    }

    .footer a {
      color: #6C8EBF;
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .footer a:hover {
      text-decoration: underline;
    }

    @media (max-width: 768px) {
      .header {
        padding: 40px 20px;
      }

      .header h1 {
        font-size: 28px;
      }

      .content {
        padding: 30px 20px;
      }

      .contact-section {
        margin-bottom: 30px;
      }

      .contact-card {
        padding: 25px 20px;
      }

      .btn {
        width: 100%;
        padding: 14px 20px;
      }

      .btn-group {
        flex-direction: column;
      }
    }