/* 晶体矿物学习平台 - 首页响应式样式 */

/* 桌面端（≥1200px）*/
@media screen and (min-width: 1200px) {
  .main-content {
    max-width: 1200px;
  }
}

/* 平板端（768-1199px）*/
@media screen and (min-width: 768px) and (max-width: 1199px) {
  .nav-container,
  .main-content {
    padding: 16px;
  }

  .hero-slider {
    height: 360px;
  }

  .slide-content {
    left: 32px;
    bottom: 32px;
  }

  .slide-content h2 {
    font-size: 28px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .experiment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* 移动端（<768px）*/
@media screen and (max-width: 767px) {
  .nav-container {
    flex-direction: column;
    padding: 12px;
  }

  .logo {
    margin-bottom: 12px;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
  }

  .nav-menu a {
    font-size: 14px;
  }

  .user-actions {
    width: 100%;
    justify-content: center;
  }

  .search-box {
    width: 100%;
  }

  .search-box input {
    width: 100%;
  }

  .main-content {
    padding: 12px;
  }

  .hero-slider {
    height: 240px;
  }

  .slide-content {
    left: 16px;
    bottom: 16px;
  }

  .slide-content h2 {
    font-size: 24px;
    margin-bottom: 8px;
  }

  .slide-content p {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .cta-button {
    padding: 8px 24px;
    font-size: 14px;
  }

  .features-grid,
  .experiment-grid,
  .resources-grid,
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-header h2 {
    font-size: 20px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }

  .slider-controls button {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .prev-btn {
    left: 12px;
  }

  .next-btn {
    right: 12px;
  }
}

/* 移动端导航菜单 */
@media screen and (max-width: 767px) {
  .nav-menu {
    display: none;
    width: 100%;
    background: #FFFFFF;
    position: absolute;
    top: 100%;
    left: 0;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-menu a {
    display: block;
    padding: 12px;
  }

  .menu-toggle {
    display: block;
    font-size: 24px;
    color: #333333;
    padding: 8px;
    margin-right: 8px;
  }
}

/* 搜索结果页响应式样式 */
@media screen and (min-width: 768px) and (max-width: 1199px) {
  .search-content {
    padding: 16px;
  }

  .search-container {
    grid-template-columns: 240px 1fr;
    gap: 24px;
  }
}

@media screen and (max-width: 767px) {
  .search-content {
    padding: 12px;
  }

  .search-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .search-tags {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .search-container {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    margin-bottom: 16px;
    border-radius: 8px;
  }

  .result-item {
    flex-direction: column;
  }

  .result-thumbnail {
    width: 100%;
    margin-right: 0;
    margin-bottom: 12px;
  }

  .sort-bar {
    flex-wrap: wrap;
    gap: 8px;
  }
}