@media (max-width: 768px) {
  /* 移动端菜单面板样式 */
  .mobile-menu-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 300px;
    height: 100vh;
    background: #fff;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
  }

  .mobile-menu-panel.active {
    right: 0;
  }

  .mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
  }

  .mobile-menu-header span {
    font-size: 18px;
    font-weight: 600;
    color: var(--btn);
  }

  .mobile-menu-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--font);
    cursor: pointer;
  }

  .mobile-menu-links {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .mobile-menu-links a {
    color: var(--font);
    text-decoration: none;
    font-size: 16px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    transition: color 0.3s ease;
  }

  .mobile-menu-links a:hover {
    color: var(--btn);
  }

  .mobile-menu-panel {
    width: 90%;
  }

  .mobile-menu-links a {
    font-size: 17px;
  }
  /* 遮罩层样式 */
  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  header {
    padding: 12px 15px;
  }

  header img {
    width: 40px;
  }

  header .fx-r.fx-ac.fx-bc div {
    font-size: 18px;
  }

  nav.pc-show {
    gap: 15px;
  }

  nav a {
    padding: 12px 0;
    font-size: 17px;
  }

  .mobile-menu-btn {
    display: block;
  }

  nav.pc-show {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  nav.pc-show.active {
    transform: translateY(0);
    opacity: 1;
  }

  main {
    padding: 20px;
  }

  .mobile-show {
    display: flex;
  }
  .pc-show {
    display: none;
  }
  .content-container {
    padding: 0 25px 10px 25px;
  }
  .per-section {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
  #backToTop.show {
    right: 15px;
    width: 35px;
    height: 35px;
  }
  .pagination {
    flex-direction: column;
    gap: 16px;
    padding: 20px 15px;
  }

  .page-jump {
    margin-left: 0;
    margin-top: 10px;
  }

  .page-numbers {
    max-width: 280px;
    justify-content: center;
  }
  #backBtn {
    right: 20px;
    z-index: 10;
  }
}
@media screen and (min-width: 769px) {
  .mobile-menu-panel,
  .mobile-menu-overlay {
    display: none;
  }
}