:root{--paper: #f2ecdb;--rule: rgba(41, 39, 127, .16);--margin-red: rgba(201, 47, 79, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--paper);font-family:KaiTi,楷体,STKaiti,Comic Sans MS,cursive,sans-serif;user-select:none}#app{position:fixed;inset:0}#scene{position:absolute;inset:0;width:100%;height:100%;display:block}#paper-rules{position:absolute;inset:0;pointer-events:none;z-index:3;background:repeating-linear-gradient(to bottom,transparent 0px,transparent 60px,var(--rule) 60px,var(--rule) 61.5px);mix-blend-mode:multiply;opacity:.85}#paper-margin{position:absolute;inset:0;pointer-events:none;z-index:3;background:linear-gradient(to right,transparent 0,transparent calc(7% - 1.5px),var(--margin-red) calc(7% - 1.5px),var(--margin-red) calc(7% + 1.5px),transparent calc(7% + 1.5px));mix-blend-mode:multiply}#hud{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:5}#stage-indicator{position:absolute;top:6px;right:8px;z-index:30;font-size:11px;letter-spacing:.5px;color:#29277fbf;background:#f2ecdbcc;border:1px dashed rgba(41,39,127,.5);padding:2px 8px;border-radius:3px;pointer-events:none}#error-box{position:absolute;left:8px;bottom:8px;z-index:40;max-width:72%;max-height:40%;overflow:auto;background:#fff5f5f2;color:#8f1d33;border:2px solid #c92f4f;border-radius:4px;padding:8px 12px;font:12px/1.5 Consolas,monospace;white-space:pre-wrap}#enter-screen,#pause-screen{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#f2ecdbeb;color:#29277f;cursor:pointer;text-align:center}#enter-screen h1{font-size:clamp(34px,6vw,84px);letter-spacing:2px}#enter-screen h1,#pause-screen h2{transform:rotate(-1.2deg)}#enter-screen .sub{font-size:18px;opacity:.8}#enter-screen .hint{font-size:14px;max-width:560px;line-height:1.7;opacity:.85}.cta{font-size:22px;margin-top:10px;animation:pulse 1.4s infinite}.tiny{font-size:11px;opacity:.55;max-width:480px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}[hidden]{display:none!important}