:root{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#405b58;background:#e7e5d8;font-synthesis:none;--ink:#405b58;--soft:#7e8c7a;--paper:rgba(243,241,228,.9);--line:rgba(83,107,91,.22);--accent:#ab8757;--selected:#4c6862;--wash:rgba(231,230,217,.91)}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input,select{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none;min-height:44px;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:hover{color:var(--accent)}#scene{position:fixed;inset:0;display:block;touch-action:none;outline:none}.paper-wash{position:fixed;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--wash),transparent 32%),linear-gradient(var(--wash),transparent 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