.language-switcher{position:relative;display:inline-flex;align-items:center;gap:8px;margin-left:2px;font-size:13px;white-space:nowrap}
.language-switcher summary{list-style:none;cursor:pointer;border:1px solid #dce2ef;padding:8px 12px;color:#082098;font-weight:700;background:#fff}
.language-switcher summary::-webkit-details-marker{display:none}
.language-switcher summary:after{content:'⌄';padding-left:8px}
.language-options{position:absolute;z-index:20;right:0;top:calc(100% + 6px);min-width:170px;background:#fff;border:1px solid #dce2ef;box-shadow:0 10px 28px #06196520;padding:6px}
.language-options a{display:block;padding:8px 10px;color:#16213b}
.language-options a:hover,.language-options a[aria-current=page]{background:#f2f5fb;color:#082098}
nav .language-switcher{flex:0 0 auto}
@media(max-width:650px){nav .language-switcher{margin-left:auto}.language-options{right:0}}
:lang(zh-CN){font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif}
:lang(ru-RU){font-family:Arial,"Segoe UI",sans-serif}