/* ========== H5移动端首页样式 ========== */
@media (max-width: 767px) {
  /* Banner */
  .banner {
    height: 320px;
  }

  .banner-text h1 {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .banner-text p {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .banner-nav {
    display: none;
  }

  /* 优势 */
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .advantage-card {
    padding: 20px 16px;
  }

  .advantage-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 12px;
  }

  .advantage-icon svg {
    width: 22px;
    height: 22px;
  }

  .advantage-card h3 {
    font-size: 15px;
    margin-bottom: 8px;
  }

  .advantage-card p {
    font-size: 12px;
    line-height: 1.6;
  }

  /* 产品 */
  .products-section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
  }

  .products-section-header h2 {
    font-size: 22px;
  }

  .products-section-header p {
    font-size: 13px;
  }

  .view-more-link.desktop-only {
    display: none;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .product-info {
    padding: 12px;
  }

  .product-model {
    font-size: 11px;
  }

  .product-name {
    font-size: 14px;
    margin-bottom: 6px;
  }

  .product-desc {
    font-size: 12px;
    margin-bottom: 10px;
    -webkit-line-clamp: 2;
  }

  .product-link {
    display: none;
  }

  .products-mobile-more {
    display: block;
  }

  /* 新闻 */
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .news-card {
    flex-direction: column;
  }

  .news-image {
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  .news-content {
    padding: 16px;
  }

  .news-title {
    font-size: 15px;
    margin-bottom: 8px;
    -webkit-line-clamp: 2;
  }

  .news-summary {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }

  /* 广告横幅 */
  .ad-banner {
    height: 200px;
  }

  .ad-banner-text h2 {
    font-size: 22px;
    margin-bottom: 8px;
  }

  .ad-banner-text p {
    font-size: 13px;
    margin-bottom: 16px;
  }

  /* 证书 */
  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .certificate-name {
    padding: 8px 10px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .banner {
    height: 260px;
  }

  .banner-text h1 {
    font-size: 20px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .certificates-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}