/* Shared site navigation; submenu content comes only from shared-navigation.json. */
html.site-nav-ready { scroll-padding-top: var(--site-nav-scroll-offset, 84px) !important; }
.site-contact-strip .wrap { align-items: center; }
.site-contact-strip .site-contact-links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; }
.site-contact-strip .site-contact-links a { white-space: nowrap; }
.site-contact-strip .wechat-open { text-decoration: none; border-left: 1px solid #ffffff45; padding-left: 18px; }
.site-contact-strip .wechat-open:hover { text-decoration: underline; }
.site-nav-slot { position: relative; }
.main-nav.site-navigation { position: relative; z-index: 100; background: #fff; border-bottom: 1px solid #dce3de; }
.site-navigation .nav-inner { display: flex; flex-wrap: nowrap; align-items: center; gap: 24px; width: min(1440px, calc(100% - 48px)); min-height: 84px; padding-block: 0; }
.site-navigation .brand { flex: 0 0 auto; font-size: 27px; color: #143c34; line-height: 1.2; }
.site-navigation .brand small { display: inline; font-size: 12px; letter-spacing: 1px; margin-left: 9px; padding-left: 9px; }
.site-navigation .site-nav-menu { display: block; margin-left: auto; min-width: 0; }
.site-navigation .site-nav-list { list-style: none; display: flex; align-items: stretch; gap: 3px; padding: 0; margin: 0; }
.site-navigation .site-nav-item { position: relative; margin: 0; padding: 0; }
.site-navigation .site-nav-row { display: flex; align-items: center; border-radius: 3px; }
.site-navigation .site-nav-main-link { display: block; padding: 15px 4px 15px 7px; color: #152c30; font-size: 13px; line-height: 1.4; white-space: nowrap; text-decoration: none; }
.site-navigation .site-nav-main-link[aria-current="page"] { color: #136654; font-weight: 650; }
.site-navigation .site-nav-item.is-open > .site-nav-row,
.site-navigation .site-nav-row:hover { background: #edf4ee; }
.site-navigation .site-nav-expand { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 24px; width: 24px; height: 44px; padding: 0; border: 0; background: transparent; color: #426858; cursor: pointer; }
.site-navigation .site-nav-expand span { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.site-navigation .site-nav-expand[aria-expanded="true"] span { transform: rotate(225deg) translate(-1px, -1px); }
.site-navigation a:focus-visible,
.site-navigation button:focus-visible { outline: 2px solid #136654; outline-offset: 2px; }
.site-navigation .site-nav-panel { position: absolute; top: 100%; left: var(--site-nav-panel-shift, 0px); z-index: 2; width: 360px; max-width: calc(100vw - 32px); max-height: var(--site-nav-popup-height, 70vh); overflow: auto; overscroll-behavior: contain; padding: 20px; border: 1px solid #dce3de; border-top: 3px solid #136654; background: #fff; box-shadow: 0 14px 36px #122f2626; }
.site-navigation .site-nav-panel[hidden] { display: none; }
.site-navigation .site-nav-panel-title { margin: 0 0 12px; font-size: 12px; font-weight: 650; color: #527265; letter-spacing: .04em; }
.site-navigation .site-nav-panel ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); list-style: none; gap: 4px 8px; margin: 0; padding: 0; }
.site-navigation .site-nav-panel li { margin: 0; padding: 0; min-width: 0; }
.site-navigation .site-nav-panel a { display: flex; align-items: center; min-height: 44px; padding: 9px 10px; color: #18382f; font-size: 13px; line-height: 1.6; text-decoration: none; overflow-wrap: anywhere; border-radius: 3px; }
.site-navigation .site-nav-panel a:hover,
.site-navigation .site-nav-panel a:focus-visible { background: #edf4ee; color: #0b503f; }
.site-navigation .site-nav-menu-toggle { display: none; }
.site-navigation.is-fixed { position: fixed; top: var(--site-nav-top, 0px); right: 0; left: 0; z-index: 500; box-shadow: 0 3px 18px #143c341c; }
.site-navigation.is-fixed .nav-inner { min-height: 62px; }
.site-navigation.is-fixed .brand { font-size: 24px; }
.site-navigation.is-fixed .brand small { font-size: 11px; }
.site-navigation.is-fixed .site-nav-main-link { padding-block: 12px; }

@media (min-width: 761px) and (max-width: 1280px) {
  .site-navigation .nav-inner { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; width: calc(100% - 40px); min-height: 102px; padding-block: 6px; }
  .site-navigation .brand { font-size: 25px; }
  .site-navigation .site-nav-menu { width: 100%; margin-left: 0; }
  .site-navigation .site-nav-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0 4px; }
  .site-navigation .site-nav-row { justify-content: center; }
  .site-navigation .site-nav-main-link { padding: 10px 3px 10px 5px; }
  .site-navigation .site-nav-expand { flex-basis: 22px; width: 22px; height: 40px; }
  .site-navigation.is-fixed .nav-inner { min-height: 88px; padding-block: 2px; }
  .site-navigation.is-fixed .site-nav-main-link { padding-block: 9px; }
}
@media (min-width: 761px) and (max-width: 980px) {
  .site-navigation .nav-inner { gap: 14px; width: calc(100% - 32px); }
  .site-navigation .brand { font-size: 23px; }
  .site-navigation .brand small { display: block; border: 0; padding: 0; margin: 5px 0 0; font-size: 11px; }
  .site-navigation .site-nav-main-link { font-size: 12px; }
}
@media (max-width: 760px) {
  .site-navigation .nav-inner { display: flex; flex-wrap: wrap; gap: 0; width: 100%; min-height: 0; padding: 0; }
  .site-navigation .brand { display: block; width: 100%; padding: 13px 16px 11px; font-size: 24px; }
  .site-navigation .brand small { display: inline; font-size: 11px; }
  /* Keep the category row visible; fixed panels escape its horizontal scroll area. */
  .site-navigation .site-nav-menu { width: 100%; margin: 0; padding: 0 12px 4px; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #b8ccbf transparent; border-top: 1px solid #edf1ee; }
  .site-navigation .site-nav-list { display: flex; width: max-content; min-width: 100%; gap: 4px; }
  .site-navigation .site-nav-item { flex: 0 0 auto; }
  .site-navigation .site-nav-main-link { padding: 12px 3px 12px 8px; font-size: 13px; }
  .site-navigation .site-nav-expand { flex-basis: 32px; width: 32px; height: 44px; }
  .site-navigation .site-nav-panel { position: fixed; top: var(--site-nav-popup-top, 112px); left: 12px; right: 12px; width: auto; max-width: none; padding: 15px; max-height: var(--site-nav-popup-height, 65dvh); }
  .site-navigation .site-nav-panel a { min-height: 45px; font-size: 14px; }
  .site-navigation.is-fixed .nav-inner { min-height: 0; }
  .site-navigation.is-fixed .brand { padding-block: 8px; font-size: 22px; }
  .site-navigation.is-fixed .site-nav-main-link { padding-block: 11px; }
}
@media (max-width: 600px) {
  .site-contact-strip .wrap { width: calc(100% - 28px); justify-content: center; }
  .site-contact-strip .site-contact-company { display: none; }
  .site-contact-strip .site-contact-links { flex-wrap: nowrap; justify-content: center; gap: 12px; width: 100%; font-size: 11px; }
  .site-contact-strip .wechat-open { padding-left: 12px; }
  .site-navigation .brand small { font-size: 11px; letter-spacing: 0; }
}
@media (max-width: 360px) {
  .site-contact-strip .site-contact-links { font-size: 10px; gap: 8px; }
  .site-contact-strip .wechat-open { padding-left: 8px; }
  .site-navigation .brand small { display: none; }
}
@media print {
  .site-nav-slot { min-height: 0 !important; }
  .site-navigation.is-fixed { position: static; box-shadow: none; }
  .site-navigation .site-nav-panel,
  .site-navigation .site-nav-menu-toggle,
  .site-navigation .site-nav-expand { display: none !important; }
}