.site-nav .language-switch { position: relative; display: block; flex: 0 0 auto; width: max-content; max-width: none; }
.site-nav .language-trigger { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 142px; height: 42px; padding: 0 15px; border: 1px solid #dce2df; border-radius: 9px; background: #fff; color: #213b3e; font: 500 13px/1.3 "Trebuchet MS", "Microsoft YaHei", sans-serif; cursor: pointer; transition: border-color .18s, box-shadow .18s; }
.site-nav .language-trigger:hover, .site-nav .language-trigger[aria-expanded="true"] { border-color: #6da0a6; box-shadow: 0 2px 8px #143e4610; background: #fff; color: #17393f; }
.language-globe { font-size: 23px; line-height: 1; color: #507e83; }
.language-chevron { width: 6px; height: 6px; border-inline-end: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); margin-top: -4px; transition: transform .18s; }
[aria-expanded="true"] .language-chevron { transform: rotate(225deg); margin-top: 3px; }
.language-options { position: absolute; inset-inline-end: 0; top: calc(100% + 10px); z-index: 100; width: 186px; padding: 7px; background: #fff; border: 1px solid #e2e9e7; border-radius: 12px; box-shadow: 0 14px 36px #163a3f20; }
.language-options[hidden] { display: none !important; }
.language-options { inset-inline-end: auto; right: 0; left: auto; }
.site-nav .language-options [data-lang] { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 41px; padding: 10px 12px; border: 0; border-radius: 7px; background: transparent; color: #334c50; font-size: 13px; font-weight: 500; text-align: start; cursor: pointer; }
.site-nav .language-options [data-lang]:hover { background: #f2f7f6; color: #147f90; }
.site-nav .language-options [data-lang].is-selected { background: #eaf4f3; color: #176f77; }
.language-options .is-selected::after { content: '✓'; font-weight: 700; padding-inline-start: 14px; }
.language-switch button:focus-visible { outline: 2px solid #168b9c; outline-offset: 2px; }
@media(max-width:760px) { .site-nav .language-trigger { min-width: 122px; height: 38px; padding-inline: 11px; font-size: 12px; } .language-options { width: 170px; } }
@media(max-width:760px) { html:not([dir="rtl"]) .language-options { left: 0; right: auto; } }
@media(prefers-reduced-motion:reduce) { .language-trigger,.language-chevron { transition:none !important; } }