/* 移动端适配 (Mobile Responsiveness) */
@media (max-width: 899px) {
  .home-hero-wrapper {
    padding-top: 110px; /* 适配双行导航栏 */
    padding-bottom: 80px;
    margin-bottom: -40px;
  }

  .home-hero-wrapper .hero-title {
    font-size: 40px;
    margin-top: 20px;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-subtitle {
    font-size: 16px;
    white-space: normal;
    padding: 0 20px 30px;
  }

  .content-wrapper {
    padding: 0 16px;
  }

  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    padding: 10px 16px 40px;
    gap: 16px;
  }

  .tool-card {
    padding: 20px;
    min-height: auto;
  }

  .category-title {
    font-size: 20px;
    margin-top: 24px;
    margin-bottom: 16px;
  }

  .tool-card-title {
    font-size: 18px;
  }

  .home-hero-wrapper .hero-subtitle {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .home-hero-wrapper .hero-title, .hero-title {
    font-size: 32px;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-card {
    padding: 16px;
  }
}