/* 官网页头 v2：白底、居中导航、右侧电话 + 联系我们 + EN
   仅覆盖 #c-home-header，不改动 style.css 原有规则，删除本文件引用即可回滚。 */

#c-home-header {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 1px 0 #e1e6ee;
  height: 72px;
  line-height: 72px;
}
#c-placeholder { height: 72px; }

@media (max-width: 1260px) {
  #c-home-header { height: 72px; line-height: 72px; }
  #c-placeholder { height: 72px; }
}
@media (max-width: 972px) {
  #c-home-header { height: 60px; line-height: 60px; }
  #c-placeholder { height: 60px; }
}

/* 下拉面板与滚动隐藏跟着新高度走 */
#c-home-header .c-product-meganav,
#c-home-header .c-content-meganav { top: 72px; }
#c-home-header.c-head-move { top: -72px; }
#c-home-header .c-container .c-nav2-box { padding-top: 72px; }
@media (max-width: 1260px) {
  #c-home-header .c-product-meganav,
  #c-home-header .c-content-meganav { top: 72px; max-height: calc(100vh - 72px); }
  #c-home-header.c-head-move { top: -72px; }
}
@media (max-width: 972px) {
  #c-home-header .c-product-meganav,
  #c-home-header .c-content-meganav { top: 60px; max-height: calc(100vh - 60px); }
  #c-home-header.c-head-move { top: -60px; }
  #c-home-header .c-container .c-nav2-box { padding-top: 60px; }
}

@media (min-width: 973px) {
  /* 左右两列等宽，保证中间导航严格居中 */
  #c-home-header > .c-container {
    grid-template-columns: minmax(0, 1fr) max-content minmax(0, 1fr);
    width: calc(100% - 56px);
    max-width: 2040px;
  }
  #c-home-header .c-container .c-right-box .c-nav { gap: 4px; }
}

#c-home-header .c-container .c-right-box .c-nav > li > a {
  position: relative;
  display: inline-block;
  padding: 0 16px;
  color: #181818 !important;
  font-size: 14px;
  font-weight: 500;
}
#c-home-header .c-container .c-right-box .c-nav > li > a:hover { color: #0052d9 !important; }
#c-home-header .c-container .c-right-box .c-nav > li.on > a { color: #0052d9 !important; }
#c-home-header .c-container .c-right-box .c-nav > li.on > a::after {
  content: "";
  display: block !important;
  position: absolute;
  left: 16px;
  right: 16px;
  top: auto;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: #0052d9;
}

/* 8 项菜单在窄屏逐级收紧左右内边距，保证不与右侧操作区重叠 */
@media (max-width: 1650px) {
  #c-home-header .c-container .c-right-box .c-nav > li > a { padding: 0 10px; }
  #c-home-header .c-container .c-right-box .c-nav > li.on > a::after { left: 10px; right: 10px; }
}
@media (max-width: 1100px) {
  #c-home-header .c-container .c-right-box .c-nav > li > a { padding: 0 8px; }
  #c-home-header .c-container .c-right-box .c-nav > li.on > a::after { left: 8px; right: 8px; }
}
@media (max-width: 1000px) {
  #c-home-header .c-container .c-right-box .c-nav > li > a { padding: 0 4px; }
  #c-home-header .c-container .c-right-box .c-nav > li.on > a::after { left: 4px; right: 4px; }
}

#c-home-header .x-pc-right { align-items: center; gap: 18px; }

#c-home-header .x-header-phone {
  font-size: 14px;
  line-height: 1.2;
  color: #4b5b76;
  white-space: nowrap;
  margin-right: 0;
}
#c-home-header .x-header-phone b {
  color: #1169fd;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
#c-home-header .x-header-phone:hover b { color: #0052d9; }

#c-home-header .x-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  min-width: 128px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0059eb, #2677ff);
  color: #fff !important;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  margin-right: 0;
  transition: background .2s ease, box-shadow .2s ease;
}
#c-home-header .x-header-cta:hover {
  background: #003fb3;
  color: #fff !important;
  box-shadow: 0 6px 18px rgba(0, 82, 217, .24);
}

#c-home-header .c-container .x-pc-right .x-langu { margin-right: 0; }
#c-home-header .c-container .x-pc-right .x-langu p {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #181818 !important;
  font-size: 14px;
  line-height: 1.2;
  padding-right: 0;
}
#c-home-header .c-container .x-pc-right .x-langu p i { display: none !important; }
#c-home-header .x-globe { width: 18px; height: 18px; display: block; }
#c-home-header .c-container .x-pc-right .x-swier > span:first-child { color: #181818 !important; }
#c-home-header .c-container .x-pc-right .x-swier .x-daohan i { background-color: #181818 !important; }

/* 桌面端导航已展开，汉堡按钮隐藏 */
@media (min-width: 973px) {
  #c-home-header .c-container .x-pc-right .x-swier { display: none !important; }
}

/* 窄屏空间不足时依次收起电话、按钮，保留 EN + 汉堡 */
@media (max-width: 1440px) {
  #c-home-header .x-header-phone { display: none; }
}
@media (max-width: 972px) {
  #c-home-header .x-header-cta { display: none; }
}

/* 移动端抽屉展开时恢复蓝底白字 */
body.c-open #c-home-header .c-container .x-pc-right .x-langu p { color: #fff !important; }
body.c-open #c-home-header .c-container .x-pc-right .x-swier .x-daohan i { background-color: #fff !important; }