:root{color-scheme:light;--motion-fast: .18s;--motion-medium: .28s;--shadow-soft: 0 8px 24px rgba(0,0,0,.06);--shadow-strong: 0 10px 28px rgba(0,0,0,.1)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,system-ui,PingFang SC,Microsoft YaHei,Arial;background:#f5f7fb}.app{min-height:100%;display:grid;grid-template-rows:1fr auto}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #eee}.title{font-weight:600}.main{padding:12px;animation:page-enter var(--motion-fast) ease-out}.tabbar{position:sticky;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1fr;background:#fff;border-top:1px solid #eee;padding-bottom:env(safe-area-inset-bottom,0px)}.tab{padding:10px 0;text-align:center;color:#666;text-decoration:none}.tab.active{color:#0a8}.page{max-width:480px;margin:0 auto}.searchbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 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