:root{--ink:#20312d;--muted:#6d7b75;--paper:#f6f8f6;--surface:#fff;--line:#e1e8e3;--green:#175c4b;--green-light:#e7f2ec;--shadow:0 2px 8px #1b352c05;--radius:16px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.55}*{box-sizing:border-box}body{margin:0;padding:0 0 calc(90px + env(safe-area-inset-bottom));-webkit-tap-highlight-color:transparent}button,input,select,textarea{font:inherit}button,.file-label{cursor:pointer;touch-action:manipulation}button{border:0}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid 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