[data-theme=dark]{--ls-track-bg: rgba(255, 255, 255, .08);--ls-track-border: rgba(255, 255, 255, .12);--ls-knob-bg: #ffffff;--ls-knob-shadow: rgba(0, 0, 0, .3);--ls-knob-highlight: rgba(255, 255, 255, .9);--ls-glow-color: rgba(155, 123, 255, .5);--ls-label-inactive: rgba(255, 255, 255, .25);--ls-label-active: rgba(255, 255, 255, .8)}[data-theme=light]{--ls-track-bg: rgba(0, 0, 0, .1);--ls-track-border: rgba(0, 0, 0, .18);--ls-knob-bg: #ffffff;--ls-knob-shadow: rgba(0, 0, 0, .15);--ls-knob-highlight: rgba(255, 255, 255, 1);--ls-glow-color: rgba(109, 76, 255, .4);--ls-label-inactive: rgba(0, 0, 0, .35);--ls-label-active: rgba(0, 0, 0, .8)}.lang-switch{position:relative;display:inline-flex;align-items:center;justify-content:center;width:72px;height:36px;padding:0;border:none;background:transparent;cursor:pointer;-webkit-tap-highlight-color:transparent;outline:none}.lang-switch__track{position:relative;width:72px;height:36px;border-radius:999px;background:var(--ls-track-bg);border:1px solid var(--ls-track-border);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:inset 0 2px 4px #00000026;transition:background .3s cubic-bezier(.4,0,.2,1),border-color .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center}.lang-switch:hover .lang-switch__track{border-color:#9b7bff4d;box-shadow:inset 0 2px 4px #00000026,0 4px 16px #9b7bff26}.lang-switch:focus-visible .lang-switch__track{outline:2px solid rgba(155,123,255,.8);outline-offset:2px}.lang-switch__labels{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:space-between;padding:0 10px;pointer-events:none}.lang-switch__label{font-size:11px;font-weight:700;font-family:Arial,Microsoft YaHei,sans-serif;letter-spacing:.5px;transition:opacity .3s cubic-bezier(.4,0,.2,1),color .3s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none}.lang-switch__label--en{color:var(--ls-label-active)}.lang-switch__label--cn,[data-lang=cn] .lang-switch__label--en{color:var(--ls-label-inactive)}[data-lang=cn] .lang-switch__label--cn{color:var(--ls-label-active)}.lang-switch__knob{position:absolute;left:4px;width:28px;height:28px;border-radius:50%;background:var(--ls-knob-bg);box-shadow:0 2px 8px var(--ls-knob-shadow),inset 0 1px 0 var(--ls-knob-highlight);transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center}[data-lang=cn] .lang-switch__knob{transform:translate(36px)}.lang-switch:active .lang-switch__knob{width:32px;border-radius:14px}.lang-switch__knob-glow{position:absolute;bottom:-4px;width:20px;height:8px;border-radius:50%;background:var(--ls-glow-color);filter:blur(6px);opacity:0;transition:opacity .3s cubic-bezier(.4,0,.2,1)}.lang-switch:hover .lang-switch__knob-glow{opacity:1}@media(prefers-reduced-motion:reduce){.lang-switch,.lang-switch__track,.lang-switch__label,.lang-switch__knob,.lang-switch__knob-glow{transition-duration:.01ms!important}}@media(prefers-contrast:high){.lang-switch__track{border-width:2px}}[data-lang=en] .lang-cn,[data-lang=cn] .lang-en{display:none!important}