/* ========================================
   移动端专属样式 - Mobile Only Styles
   ======================================== */

/* 汉堡菜单按钮 */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.8);
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
  cursor: pointer;
  padding: 0;
  margin: 0;
  margin-left: auto;
  z-index: 101;
}

.mobile-menu-toggle .menu-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  margin: 3px 0;
  transition: all 0.3s;
  border-radius: 1px;
}

.mobile-menu-toggle.active .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .menu-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端导航菜单 */
@media (max-width: 768px) {
  /* 菜单打开时锁定 body 滚动 */
  body.menu-open {
    overflow: hidden;
  }

  body.menu-open .nav-menu {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .container {
    padding: 0 20px;
  }

  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 0;
    gap: 16px;
    position: relative;
    min-height: 60px;
  }

  /* 导航菜单默认隐藏 */
  .nav-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #b71920;
    flex-direction: column;
    padding: 10px 20px 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 99;
    gap: 0;
    height: calc(100vh - 60px);
    max-height: calc(100vh - 60px);
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* 激活状态显示 */
  .nav-menu.active {
    display: flex;
  }

  /* 菜单项样式 */
  .nav-menu .nav-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .nav-menu .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link,
  .nav-menu > a {
    font-size: 15px;
    padding: 12px 0;
    white-space: normal;
    min-height: auto;
    display: block;
    color: #fff;
  }

  .nav-link::after,
  .nav-menu > a::after {
    display: none;
  }

  /* 移动端隐藏下拉箭头 */
  .nav-caret {
    display: none;
  }

  /* 移动端折叠式二级菜单 - 默认隐藏 */
  .nav-menu .mega-menu,
  .nav-menu .mega-menu.mega-menu--top,
  .nav-menu.active .mega-menu,
  .nav-menu.active .mega-menu.mega-menu--top {
    display: none !important;
    position: static;
    background: #8f1117;
    padding: 8px 0;
    margin: 8px -20px 0;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
  }

  /* 展开状态 - 使用 !important 覆盖基础样式 */
  .nav-menu.active .nav-item.has-dropdown.open .mega-menu,
  .nav-menu.active .nav-item.has-dropdown.open .mega-menu.mega-menu--top {
    display: block !important;
  }

  .nav-menu .mega-menu--top .mega-inner {
    display: block;
    padding: 0;
    grid-template-columns: none;
    background: transparent;
  }

  .nav-menu .mega-group {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin: 0;
  }

  .nav-menu .mega-group:last-child {
    border-bottom: none;
  }

  .nav-menu .mega-group-link {
    display: block;
    padding: 12px 16px 12px 32px;
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    background: transparent;
    text-decoration: none;
    line-height: 1.5;
  }

  .nav-menu .mega-group-link::before {
    content: "•";
    position: absolute;
    left: 16px;
    color: rgba(255,255,255,0.6);
  }

  .nav-menu .mega-group-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
  }

  /* 一级菜单展开指示器 */
  .nav-menu .nav-item.has-dropdown > .nav-link {
    position: relative;
    padding-right: 30px;
  }

  .nav-menu .nav-item.has-dropdown > .nav-link::after {
    content: "+";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    display: block;
  }

  .nav-menu .nav-item.has-dropdown.open > .nav-link::after {
    content: "−";
  }

  /* 列表页侧边栏隐藏 */
  .page-layout .sidebar,
  aside.sidebar {
    display: none;
  }

  .page-layout .content-main,
  .content-main {
    width: 100%;
    margin-left: 0;
    float: none;
  }

  /* 三列卡片改为单列 */
  .intro-grid {
    flex-direction: column;
    gap: 20px;
  }

  .intro-card {
    width: 100%;
    height: auto;
    min-height: 280px;
    padding: 20px;
  }

  .intro-card .card-header {
    margin-bottom: 16px;
  }

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

  .intro-card .card-content {
    font-size: 14px;
    line-height: 1.7;
    padding-bottom: 50px;
  }

  .intro-card .card-link {
    right: 20px;
    bottom: 20px;
    padding: 8px 18px;
    font-size: 13px;
  }

  /* 荣誉展示图片尺寸调整 */
  .gallery-item {
    width: 160px;
    height: 110px;
  }

  .gallery-scroll-list {
    gap: 12px;
  }

  /* 导航按钮尺寸调整 */
  .gallery-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
}