[data-theme=dark]{--ls-trigger-text: rgba(255, 255, 255, .7);--ls-trigger-hover-text: rgba(255, 255, 255, .9);--ls-trigger-hover-border: rgba(255, 255, 255, .18);--ls-trigger-active-bg: rgba(255, 255, 255, .08);--ls-menu-bg: rgba(30, 30, 48, .97);--ls-menu-border: rgba(255, 255, 255, .1);--ls-menu-shadow: 0 12px 36px rgba(0, 0, 0, .4);--ls-option-hover: rgba(255, 255, 255, .06);--ls-option-text: rgba(255, 255, 255, .7);--ls-option-text-active: rgba(255, 255, 255, .95);--ls-check-color: rgba(155, 123, 255, .9)}[data-theme=light]{--ls-trigger-text: rgba(26, 26, 46, .6);--ls-trigger-hover-text: rgba(26, 26, 46, .85);--ls-trigger-hover-border: rgba(26, 26, 46, .15);--ls-trigger-active-bg: rgba(26, 26, 46, .05);--ls-menu-bg: rgba(255, 255, 255, .97);--ls-menu-border: rgba(26, 26, 46, .1);--ls-menu-shadow: 0 12px 36px rgba(0, 0, 0, .12);--ls-option-hover: rgba(26, 26, 46, .05);--ls-option-text: rgba(26, 26, 46, .6);--ls-option-text-active: rgba(26, 26, 46, .9);--ls-check-color: rgba(109, 76, 255, .9)}.lang-chooser{position:relative}.lang-chooser__trigger{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid transparent;border-radius:999px;background:transparent;color:var(--ls-trigger-text);font-size:13px;font-weight:500;font-family:Arial,Microsoft YaHei,sans-serif;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;outline:none;white-space:nowrap;transition:color .2s ease,border-color .2s ease,background .2s ease}.lang-chooser__trigger:hover{color:var(--ls-trigger-hover-text);border-color:var(--ls-trigger-hover-border)}.lang-chooser.is-open .lang-chooser__trigger{color:var(--ls-trigger-hover-text);border-color:var(--ls-trigger-hover-border);background:var(--ls-trigger-active-bg)}.lang-chooser__trigger:focus-visible{outline:2px solid rgba(139,92,246,.8);outline-offset:2px}.lang-chooser__chevron{flex-shrink:0;transition:transform .2s ease}.lang-chooser.is-open .lang-chooser__chevron{transform:rotate(180deg)}.lang-chooser__menu{position:absolute;top:calc(100% + 8px);right:0;min-width:130px;margin:0;padding:4px;list-style:none;background:var(--ls-menu-bg);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid var(--ls-menu-border);border-radius:10px;box-shadow:var(--ls-menu-shadow);z-index:600;opacity:0;visibility:hidden;transform:translateY(-6px);pointer-events:none;transition:opacity .2s ease,visibility .2s ease,transform .2s ease}.lang-chooser.is-open .lang-chooser__menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:all}.lang-chooser__option{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;color:var(--ls-option-text);font-size:13px;font-weight:500;font-family:Arial,Microsoft YaHei,sans-serif;cursor:pointer;-webkit-user-select:none;user-select:none;outline:none;transition:background .12s ease}.lang-chooser__option:hover{background:var(--ls-option-hover)}.lang-chooser__option:focus-visible{outline:2px solid rgba(139,92,246,.8);outline-offset:-2px}.lang-chooser__option[aria-selected=true]{color:var(--ls-option-text-active)}.lang-chooser__check{display:inline-flex;align-items:center;justify-content:center;width:0;overflow:hidden;font-size:13px;color:var(--ls-check-color);opacity:0;transition:width .15s ease,opacity .15s ease}.lang-chooser__option[aria-selected=true] .lang-chooser__check{width:16px;opacity:1}@media(prefers-reduced-motion:reduce){.lang-chooser__trigger,.lang-chooser__chevron,.lang-chooser__menu,.lang-chooser__option,.lang-chooser__check{transition-duration:.01ms}}@media(prefers-contrast:high){.lang-chooser__trigger,.lang-chooser__menu{border-width:2px}}@media(max-width:768px){.lang-chooser__trigger,.lang-chooser__option{min-height:44px}}[data-lang=en] .lang-cn,[data-lang=cn] .lang-en{display:none}