/**
 * 与「轮播图：智能体+元宇宙」style.css 顶栏一级导航 + mega 下拉 1:1（颜色、阴影、字重、过渡曲线、底边条、移动端 mega）
 * 令牌与 index 引用的 style.css :root 一致
 * .ciip-nav-primary：与智能体主链同款一级样式，无二级下拉
 */
.header-content .nav {
  --ciip-tr: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --ciip-accent: #00a3e0;
}
/* 由 ciip-agent-nav.js 注入：一级链接 + 手机端「▾」展开；桌面 display:contents 不改变顶栏 flex */
.ciip-nav-row-trigger {
  display: contents;
}
/* 与原版 .nav-item 一体：无灰底方块，▾ 为行内辅色（同 style.css 顶栏） */
.ciip-mega-toggle {
  display: none !important;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: auto;
  min-width: 0;
  min-height: 0;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.45);
  /* 与原版一级 .nav-item 同字号，▾ 与「智能体 ▾」内联时视觉一致 */
  font-size: 14px;
  line-height: 1.2;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}
.ciip-mega-toggle:hover,
.ciip-mega-toggle:focus-visible {
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
}
.ciip-mega-toggle:focus-visible {
  outline: 2px solid rgba(0, 163, 224, 0.55);
  outline-offset: 2px;
}
/* ▾ 与文案同色；整块底纹见 @media (min-width:1136px) 内 .ciip-agent-nav-wrap:has(.ciip-mega-toggle) */
.ciip-agent-nav-wrap:hover .ciip-mega-toggle,
.ciip-agent-nav-wrap:focus-within .ciip-mega-toggle,
.ciip-agent-nav-wrap.ciip-mega-is-open .ciip-mega-toggle,
.ciip-agent-nav-wrap:has(a.nav-agent-trigger.active) .ciip-mega-toggle {
  color: #fff;
}
.ciip-mega-toggle > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.ciip-agent-nav-wrap {
  --ciip-tr: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --ciip-primary: #003087;
  --ciip-accent: #00a3e0;
  --ciip-bg: #fff;
  --ciip-bg-light: #f5f7fa;
  --ciip-text: #1a1a2e;
  --ciip-text-l: #8896a8;
  --ciip-shadow-lg: 0 12px 48px rgba(0, 18, 51, 0.12);
  position: relative;
  display: flex;
  align-items: stretch;
  margin: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}
@media (min-width: 1136px) {
  /* 与轮播顶栏单项同高，底边条落在栏底 */
  .header-content .nav .ciip-agent-nav-wrap {
    min-height: 64px;
  }
  .header-content .nav > a.ciip-nav-primary {
    display: flex;
    align-items: center;
    align-self: stretch;
    min-height: 64px;
  }
}
/* 一级：智能体主链 + 新闻资讯（无下拉） */
.ciip-agent-nav-wrap a.nav-agent-trigger,
.header-content .nav > a.ciip-nav-primary {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
  padding: 0 12px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--ciip-tr);
  white-space: nowrap;
  text-decoration: none;
  border-radius: 0;
  box-sizing: border-box;
}
.ciip-agent-nav-wrap a.nav-agent-trigger:hover,
.ciip-agent-nav-wrap:hover a.nav-agent-trigger,
.ciip-agent-nav-wrap:focus-within a.nav-agent-trigger,
.header-content .nav > a.ciip-nav-primary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.ciip-agent-nav-wrap a.nav-agent-trigger::after,
.header-content .nav > a.ciip-nav-primary::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--ciip-accent);
  transform: scaleX(0);
  transition: var(--ciip-tr);
}
.ciip-agent-nav-wrap a.nav-agent-trigger:hover::after,
.ciip-agent-nav-wrap:hover a.nav-agent-trigger::after,
.ciip-agent-nav-wrap:focus-within a.nav-agent-trigger::after,
.header-content .nav > a.ciip-nav-primary:hover::after {
  transform: scaleX(1);
}
.ciip-agent-nav-wrap a.nav-agent-trigger.active,
.header-content .nav > a.ciip-nav-primary.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.ciip-agent-nav-wrap a.nav-agent-trigger.active::after,
.header-content .nav > a.ciip-nav-primary.active::after {
  transform: scaleX(1);
}
/* mega：同 .mega-dropdown */
.ciip-agent-nav-wrap .mega-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 560px;
  padding: 24px 28px;
  background: #fff;
  /* 轮播 :root --accent #00a3e0，不用页面外层 --accent 以免被预览页橙色覆盖 */
  border-top: 3px solid #00a3e0;
  box-shadow: var(--ciip-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--ciip-tr);
  pointer-events: none;
  z-index: 100;
}
.ciip-agent-nav-wrap .mega-dropdown.ciip-mobile-dropdown {
  min-width: 0;
  padding: 10px;
}
.ciip-agent-nav-wrap #ciipMegaNews {
  left: 0;
  transform: none;
}
.ciip-agent-nav-wrap .mega-dropdown::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 10px;
}
/* 视口较窄仍横排一级时：拉近 mega 与顶栏，减少「隔空」感 */
@media (max-width: 1295px) and (min-width: 1136px) {
  .ciip-agent-nav-wrap .mega-dropdown::before {
    height: 4px;
  }
  .ciip-agent-nav-wrap .mega-dropdown {
    margin-top: -4px;
    min-width: min(560px, calc(100vw - 48px));
  }
  .header-content .nav .ciip-agent-nav-wrap a.nav-agent-trigger,
  .header-content .nav > a.ciip-nav-primary {
    padding-left: 8px;
    padding-right: 8px;
    font-size: 13px;
  }
  .header-content .nav .ciip-nav-row-trigger a.nav-agent-trigger {
    padding-right: 4px;
  }
  .header-content .nav .ciip-mega-toggle {
    padding: 0 10px 0 2px;
    margin-left: -4px;
  }
}
@media (min-width: 1136px) {
  .ciip-agent-nav-wrap:hover .mega-dropdown,
  .ciip-agent-nav-wrap:focus-within .mega-dropdown,
  .ciip-agent-nav-wrap.ciip-mega-is-open .mega-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  /* 原版为「文案 + ▾」同一行内：略收链接右侧留白，▾ 用辅色贴齐 */
  .header-content .nav .ciip-nav-row-trigger a.nav-agent-trigger {
    padding-right: 6px;
  }
  /* 宽屏：▾ 紧贴一级文案，占满栏高，与 .nav-item 底边条对齐 */
  .header-content .nav .ciip-mega-toggle {
    display: inline-flex !important;
    align-self: stretch;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 0 12px 0 2px;
    margin-left: -6px;
    margin-right: 0;
  }
  /*
   * 脚本把「文案 ▾」拆成 <a> + button 后，原 a::after 底边条只压在文案下、底纹不盖住 ▾。
   * 宽屏下改为整块 .ciip-agent-nav-wrap 底边条，横跨文案+▾（与 hover / focus / 展开 / 当前页 .active 一致）。
   */
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle) a.nav-agent-trigger::after {
    display: none !important;
  }
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--ciip-accent);
    transform: scaleX(0);
    transform-origin: center bottom;
    transition: var(--ciip-tr);
    pointer-events: none;
    z-index: 2;
  }
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover::after,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within::after,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open::after,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active)::after {
    transform: scaleX(1);
  }

  /*
   * 文案与 ▾ 之间为 flex 缝隙，会露出顶栏底色导致「中间一条颜色不一致」。
   * 整块 .ciip-agent-nav-wrap 铺高亮，<a> 与 button 背景透明，文字/空隙/三角视觉统一。
   */
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open,
  .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) {
    background: rgba(255, 255, 255, 0.06);
  }
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover a.nav-agent-trigger,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within a.nav-agent-trigger,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open a.nav-agent-trigger,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) a.nav-agent-trigger {
    background: transparent !important;
  }
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover .ciip-mega-toggle,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within .ciip-mega-toggle,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open .ciip-mega-toggle,
  .header-content .nav .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) .ciip-mega-toggle {
    background: transparent !important;
  }
}
.ciip-agent-nav-wrap .mega-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.ciip-agent-nav-wrap .mega-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 8px;
  transition: var(--ciip-tr);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.ciip-agent-nav-wrap .mega-link:hover {
  background: #f5f7fa;
}
.ciip-agent-nav-wrap .mega-link .mi {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
/* 与轮播 style.css：.svg-icon + .mi .svg-icon */
.ciip-agent-nav-wrap .svg-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  display: inline-block;
  object-fit: contain;
}
.ciip-agent-nav-wrap .mi .svg-icon {
  width: 24px;
  height: 24px;
}
.ciip-agent-nav-wrap .mi-blue {
  background: rgba(0, 48, 135, 0.08);
}
.ciip-agent-nav-wrap .mi-purple {
  background: rgba(100, 50, 180, 0.08);
}
.ciip-agent-nav-wrap .mi-green {
  background: rgba(0, 163, 77, 0.08);
}
.ciip-agent-nav-wrap .mi-orange {
  background: rgba(200, 120, 0, 0.08);
}
.ciip-agent-nav-wrap .mi-cyan {
  background: rgba(0, 130, 180, 0.08);
}
.ciip-agent-nav-wrap .mi-gold {
  background: rgba(180, 140, 40, 0.08);
}
.ciip-agent-nav-wrap .mi-teal {
  background: rgba(0, 140, 120, 0.08);
}
.ciip-agent-nav-wrap .mega-link .mt .mn {
  font-size: 13px;
  font-weight: 600;
  color: #1a1a2e;
}
.ciip-agent-nav-wrap .mega-link .mt .md {
  font-size: 11px;
  color: #8896a8;
  margin-top: 1px;
}
/* 与轮播顶栏窄屏 .nav-item / .mega-dropdown 一致（断点 1135px） */
@media (max-width: 1135px) {
  /*
   * 仅当主导航未展开为抽屉时隐藏 ▾（横排时无意义）。
   * 汉堡菜单 .nav.open 内必须显示 ▾：触摸设备无 hover，否则无法展开 mega、也无法点选二级链接。
   */
  .header-content .nav:not(.open) .ciip-mega-toggle {
    display: none !important;
  }
  .header {
    overflow: visible;
  }
  .header-content .nav .ciip-agent-nav-wrap {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    height: auto;
    min-height: 0;
  }
  .header-content .nav .ciip-agent-nav-wrap a.nav-agent-trigger,
  .header-content .nav > a.ciip-nav-primary {
    height: auto;
    min-height: 0;
    padding: 14px 20px;
    width: 100%;
    box-sizing: border-box;
  }
  .header-content .nav .ciip-agent-nav-wrap a.nav-agent-trigger::after,
  .header-content .nav > a.ciip-nav-primary::after {
    display: none;
  }
}

/**
 * ≤1292px 且 .nav.open：一级整行 + 底边条；其后为静态二级（点 ▾ 展开），覆盖上方 absolute mega 与 flex-wrap。
 */
@media (max-width: 1292px) {
  .header .header-content .nav.open {
    max-height: none;
    overflow: visible;
    overscroll-behavior: auto;
  }

  body.with-preview-site-nav .header .header-content .nav.open,
  body.with-preview-site-nav .header .header-content #mainNav.nav.open {
    height: auto !important;
    min-height: calc(100vh - 64px) !important;
    max-height: calc(100vh - 64px) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
  }

  .header-content .nav.open .ciip-agent-nav-wrap {
    flex-direction: row;
    flex-wrap: wrap;
    align-content: flex-start;
    align-items: stretch;
    position: relative;
    width: 100%;
    min-height: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1;
  }

  .header-content .nav.open .ciip-agent-nav-wrap:hover,
  .header-content .nav.open .ciip-agent-nav-wrap:focus-within,
  .header-content .nav.open .ciip-agent-nav-wrap.ciip-mega-is-open {
    z-index: 120;
  }

  .header-content .nav.open .ciip-mega-toggle {
    display: inline-flex !important;
    align-self: center;
    min-height: 44px;
    padding: 0 12px;
    margin-left: 0;
    flex-shrink: 0;
  }

  .header-content .nav.open .ciip-nav-row-trigger {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex: 1 1 auto;
    max-width: 100%;
    min-width: 0;
    gap: 4px;
  }

  .header-content .nav.open .ciip-nav-row-trigger .nav-agent-trigger {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 12px 8px;
    align-self: center;
  }

  /* 抽屉内「文案 | ▾」之间 gap 同色：整块行触发器铺底，子元素透明 */
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover .ciip-nav-row-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within .ciip-nav-row-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open .ciip-nav-row-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) .ciip-nav-row-trigger {
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover .ciip-nav-row-trigger .nav-agent-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within .ciip-nav-row-trigger .nav-agent-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open .ciip-nav-row-trigger .nav-agent-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) .ciip-nav-row-trigger .nav-agent-trigger {
    background: transparent !important;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover .ciip-nav-row-trigger .ciip-mega-toggle,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within .ciip-nav-row-trigger .ciip-mega-toggle,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open .ciip-nav-row-trigger .ciip-mega-toggle,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) .ciip-nav-row-trigger .ciip-mega-toggle {
    background: transparent !important;
  }

  /*
   * 抽屉内底边条：≤1135 时全局会关掉 a::after；≥1136 时带 ▾ 的项用 wrap::after。
   * 在 .nav.open 里 wrap 可能包静态二级，wrap::after 会贴错底；改为首行 .ciip-nav-row-trigger::after（抽屉内该行已是 flex 盒）。
   * 无 ▾ 拆分的项（如新闻）仍用链接 a::after，并覆盖 ≤1135 的 display:none。
   */
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle)::after {
    display: none !important;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle) a.nav-agent-trigger::after {
    display: none !important;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle) .ciip-nav-row-trigger {
    position: relative;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle) .ciip-nav-row-trigger::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--ciip-accent);
    transform: scaleX(0);
    transform-origin: center bottom;
    transition: var(--ciip-tr);
    pointer-events: none;
    z-index: 2;
  }
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):hover .ciip-nav-row-trigger::after,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):focus-within .ciip-nav-row-trigger::after,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle).ciip-mega-is-open .ciip-nav-row-trigger::after,
  .header-content .nav.open .ciip-agent-nav-wrap:has(.ciip-mega-toggle):has(a.nav-agent-trigger.active) .ciip-nav-row-trigger::after {
    transform: scaleX(1);
  }
  .header-content .nav.open .ciip-agent-nav-wrap:not(:has(.ciip-mega-toggle)) a.nav-agent-trigger::after,
  .header-content .nav.open > a.ciip-nav-primary::after {
    display: block !important;
  }

  /* 二级面板贴一级行下缘，避免与左侧文案隔空在右半屏 */
  .header-content .nav.open .ciip-agent-nav-wrap .mega-dropdown {
    position: absolute;
    left: 8px;
    right: 8px;
    top: 100%;
    width: auto;
    min-width: 0;
    max-width: none;
    margin: 2px 0 0;
    padding: 10px 12px;
    transform: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 130;
    max-height: min(70vh, 320px);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    border-top: 3px solid #00a3e0;
    background: #fff;
    border-radius: 8px;
  }

  .header-content .nav.open .ciip-agent-nav-wrap:hover .mega-dropdown,
  .header-content .nav.open .ciip-agent-nav-wrap:focus-within .mega-dropdown,
  .header-content .nav.open .ciip-agent-nav-wrap.ciip-mega-is-open .mega-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .header-content .nav.open .ciip-agent-nav-wrap .mega-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .header-content .nav.open .ciip-agent-nav-wrap .mega-link {
    padding: 8px 10px;
  }

  .header-content .nav.open .ciip-agent-nav-wrap .mega-link .mt .md {
    display: none;
  }

  .header-content .nav.open .ciip-agent-nav-wrap:hover a.nav-agent-trigger,
  .header-content .nav.open .ciip-agent-nav-wrap:focus-within a.nav-agent-trigger {
    background: transparent !important;
    color: #fff;
  }
  .header-content .nav.open .ciip-agent-nav-wrap a.nav-agent-trigger.active {
    background: transparent !important;
    color: #fff;
  }

  /* 首行只放「文案+▾」，二级整块换行，避免与 1135 横排抢位 */
  .header-content .nav.open .ciip-nav-row-trigger {
    flex: 1 1 100%;
    width: 100%;
    max-width: 100%;
  }

  .header-content .nav.open .ciip-agent-nav-wrap .mega-dropdown {
    position: static !important;
    flex: 1 1 100%;
    align-self: stretch;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin: 6px 0 10px 0;
    padding: 8px 10px;
    transform: none !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    max-height: none !important;
    overflow-x: hidden;
    overflow-y: visible !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
    display: none !important;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
  }

  /* 未点 ▾：无论 hover / focus-within，都压住 ≤1135 的三条展开规则 */
  .header-content .nav.open .ciip-agent-nav-wrap:not(.ciip-mega-is-open):hover .mega-dropdown,
  .header-content .nav.open .ciip-agent-nav-wrap:not(.ciip-mega-is-open):focus-within .mega-dropdown {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }

  .header-content .nav.open .ciip-agent-nav-wrap.ciip-mega-is-open .mega-dropdown {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
}

/*
 * 视口 ≤1295px：一级横排易被 Logo+CTA 挤压；统一抽屉导航（与顶栏 @container 1295px 互补）。
 * 链了本 CSS 的页面即可生效，无需重复写在各页内联样式中。
 */
@media (max-width: 1295px) {
  .header .header-content #mainNav.nav:not(.open),
  .header .header-content nav#mainNav:not(.open) {
    display: none !important;
  }
  .header .header-content .mobile-toggle {
    display: inline-flex !important;
  }
  /* 避免 space-between 下中间块被压成 0，电话/CTA 挤没 */
  .header .header-content .header-actions {
    flex-shrink: 0;
  }
  /* 与汉堡同断点：顶栏紧时仍展示客服电话（覆盖各页 max-width:1364 等对 .header-phone 的隐藏） */
  .header .header-content .header-phone {
    display: inline-flex !important;
    align-items: center;
    flex-shrink: 0;
  }
}

@media (max-width: 750px) {
  .header .header-content .header-phone {
    display: none !important;
  }
  .header .header-content .header-actions .ciip-mobile-switch {
    display: none !important;
  }
}

html[lang="en"] .header-content .nav {
  gap: 2px;
}
html[lang="en"] .header-content .nav .nav-item,
html[lang="en"] .header-content .nav > a.ciip-nav-primary {
  padding-left: 8px;
  padding-right: 8px;
  font-size: 12px;
}
@media (min-width: 1280px) {
  html[lang="en"] .header-content .nav .nav-item,
  html[lang="en"] .header-content .nav > a.ciip-nav-primary {
    padding-left: 10px;
    padding-right: 10px;
    font-size: 13px;
  }
}

.header-actions .ciip-foreign-nav-wrap,
.header-actions .ciip-lang-nav-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
  flex-shrink: 0;
  margin: 0;
  background: transparent;
  z-index: 1;
}

.header-actions .ciip-foreign-nav-wrap .ciip-foreign-trigger,
.header-actions .ciip-lang-nav-wrap .ciip-lang-trigger {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  align-self: stretch;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 8px;
  min-height: 40px;
  line-height: 1.2;
}

.header-actions .ciip-foreign-nav-wrap:hover .ciip-foreign-trigger,
.header-actions .ciip-foreign-nav-wrap:focus-within .ciip-foreign-trigger,
.header-actions .ciip-lang-nav-wrap:hover .ciip-lang-trigger,
.header-actions .ciip-lang-nav-wrap:focus-within .ciip-lang-trigger {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.header-actions .ciip-foreign-nav-wrap .ciip-foreign-dropdown,
.header-actions .ciip-lang-nav-wrap .ciip-lang-dropdown {
  min-width: 360px;
  left: auto;
  right: 0;
  transform: none;
  padding: 10px 12px;
  z-index: 200;
}

@media (min-width: 1136px) {
  .header-actions .ciip-foreign-nav-wrap:hover .mega-dropdown,
  .header-actions .ciip-foreign-nav-wrap:focus-within .mega-dropdown,
  .header-actions .ciip-lang-nav-wrap:hover .mega-dropdown,
  .header-actions .ciip-lang-nav-wrap:focus-within .mega-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

.header-actions .ciip-foreign-nav-wrap .ciip-foreign-grid,
.header-actions .ciip-lang-nav-wrap .ciip-lang-grid {
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.header-actions .ciip-foreign-nav-wrap .mega-link,
.header-actions .ciip-lang-nav-wrap .mega-link {
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
}

.header-actions .ciip-foreign-nav-wrap .mega-link .mi,
.header-actions .ciip-lang-nav-wrap .mega-link .mi {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 18, 51, 0.1);
  box-shadow: 0 1px 4px rgba(0, 18, 51, 0.1);
}

.header-actions .ciip-foreign-nav-wrap .mega-link .ciip-foreign-code {
  font-family: Exo, "Segoe UI", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #003087;
  line-height: 1;
}

.header-actions .ciip-foreign-nav-wrap .mega-link .mi-blue { background: rgba(0, 72, 180, 0.16); }
.header-actions .ciip-foreign-nav-wrap .mega-link .mi-green { background: rgba(0, 163, 77, 0.16); }
.header-actions .ciip-foreign-nav-wrap .mega-link .mi-orange { background: rgba(200, 120, 0, 0.16); }
.header-actions .ciip-foreign-nav-wrap .mega-link .mi-cyan { background: rgba(0, 130, 180, 0.16); }
.header-actions .ciip-foreign-nav-wrap .mega-link .mi-gold { background: rgba(180, 140, 40, 0.18); }
.header-actions .ciip-foreign-nav-wrap .mega-link .mi-teal { background: rgba(0, 140, 120, 0.16); }

.header-actions .ciip-foreign-nav-wrap .mega-link .mt .mn,
.header-actions .ciip-lang-nav-wrap .mega-link .mt .mn {
  font-size: 12px;
}

.header-actions .ciip-foreign-nav-wrap .mega-link .mt .md,
.header-actions .ciip-lang-nav-wrap .mega-link .mt .md {
  display: none;
}

@media (max-width: 1135px) {
  .header-actions .ciip-foreign-nav-wrap,
  .header-actions .ciip-lang-nav-wrap {
    flex-direction: row !important;
    align-items: center !important;
    width: auto !important;
    max-width: none;
    flex-shrink: 0;
  }

  .header-actions .ciip-foreign-nav-wrap.ciip-foreign-is-open,
  .header-actions .ciip-lang-nav-wrap.ciip-foreign-is-open {
    z-index: 130;
  }

  .header-actions .ciip-foreign-nav-wrap .ciip-foreign-trigger,
  .header-actions .ciip-lang-nav-wrap .ciip-lang-trigger {
    width: auto !important;
    padding: 8px 6px;
    font-size: 12px;
    min-height: 36px;
    max-width: 64px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-actions .ciip-foreign-nav-wrap .ciip-foreign-dropdown,
  .header-actions .ciip-lang-nav-wrap .ciip-lang-dropdown {
    display: none !important;
    pointer-events: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    width: 0 !important;
    min-width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    padding: 0 !important;
    border: 0 !important;
  }

  .header-actions .ciip-foreign-nav-wrap.ciip-foreign-is-open .ciip-foreign-dropdown,
  .header-actions .ciip-lang-nav-wrap.ciip-foreign-is-open .ciip-lang-dropdown {
    display: block !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    width: auto !important;
    height: auto !important;
    position: fixed;
    top: calc(64px + 4px);
    right: 12px;
    left: auto;
    min-width: min(280px, calc(100vw - 24px));
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 8px 10px;
    transform: none;
    border-top: 3px solid #00a3e0;
    background: #fff !important;
    box-shadow: 0 8px 32px rgba(0, 18, 51, 0.18);
    border-radius: 0 0 10px 10px;
  }

  .header-actions .ciip-foreign-nav-wrap .ciip-foreign-grid,
  .header-actions .ciip-lang-nav-wrap .ciip-lang-grid {
    grid-template-columns: 1fr;
  }
}

/* style.css ≤1024px 会把 .mega-dropdown 设为半透明，顶栏下拉强制白底 */
@media (max-width: 1024px) {
  .header .mega-dropdown,
  .header .ciip-foreign-dropdown,
  .header .ciip-lang-dropdown {
    background: #fff !important;
  }

  .header-content .nav.open .ciip-agent-nav-wrap.ciip-mega-is-open .mega-dropdown {
    background: #fff !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
  }
}