:root{--bg: #07080c;--ink: #f5f5f7;--dim: #8e8f9b;--line: rgba(255,255,255,.08);--en: #2dd4a0;--en-deep: #0a2a21;--en-glow: rgba(45,212,160,.55);--zh: #5ea0ff;--zh-deep: #0b1a36;--zh-glow: rgba(94,160,255,.55);--warn: #fb923c;--red: #f87171;--sat: env(safe-area-inset-top, 0px);--sab: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;height:100%;background:var(--bg)}body{font-family:-apple-system,Segoe UI,Helvetica,Arial,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,sans-serif;color:var(--ink);font-size:15px;overscroll-behavior:none;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none;border:0;background:none}button:disabled{opacity:.4;cursor:default}code{background:#ffffff1a;padding:1px 5px;border-radius:4px}.app{height:100%;height:100dvh;display:grid;grid-template-rows:1fr auto 1fr;max-width:760px;margin:0 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