@font-face{font-family:FusionPixel;src:url(/fonts/fusion-pixel-subset.woff2)format("woff2");font-display:swap}:root{--px-font:"FusionPixel", "Zpix", monospace}#ui-root,#boot,#fallback{font-family:var(--px-font);color:var(--ui-text)}#menubar{z-index:20;background:var(--ui-window);border-bottom:2px solid var(--ui-text);-webkit-user-select:none;user-select:none;align-items:center;gap:18px;height:26px;padding:0 12px;font-size:13px;display:flex;position:fixed;top:0;left:0;right:0}#menubar .logo{color:var(--ui-accent);cursor:pointer;font-weight:700}#menubar .spring{flex:1}#menubar .deco{cursor:default}#menubar .deco:active{transform:translateY(1px)}.mac-window{z-index:30;background:var(--ui-window);border:2px solid var(--ui-text);flex-direction:column;width:min(520px,88vw);max-height:76vh;display:flex;position:fixed;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%);box-shadow:6px 6px #1018278c}.mac-window .titlebar{border-bottom:2px solid var(--ui-text);background:repeating-linear-gradient(0deg, var(--ui-window) 0 2px, var(--ui-text) 2px 3px, var(--ui-window) 3px 5px);flex:none;align-items:center;height:24px;padding:0 6px;display:flex}.mac-window .titlebar .title{background:var(--ui-window);margin:0 auto;padding:0 10px;font-size:13px}.mac-window .close{border:2px solid var(--ui-text);background:var(--ui-window);cursor:pointer;flex:none;width:14px;height:14px;padding:0}.mac-window .close:hover{background:var(--ui-accent)}.mac-window .content{padding:16px 18px;font-size:14px;line-height:1.9;overflow:auto}.mac-window .content a{color:#1246b8}.mac-window .content .todo{color:#6a7686;font-size:12px}#tooltip{z-index:15;pointer-events:none;background:var(--ui-text);color:var(--ui-window);border:1px solid var(--ui-accent);padding:3px 8px;font-size:12px;display:none;position:fixed}#resume-notice{z-index:25;pointer-events:none;color:var(--crt-glow);opacity:0;text-shadow:2px 2px #08121bbf;background:#07121c94;border:1px solid #8df0f252;padding:7px 11px;font-size:26px;line-height:1;position:fixed;top:33.333vh;left:50%;transform:translate(-50%)translateY(23vh)}#resume-notice.show{animation:1.6s linear both resume-notice}@keyframes resume-notice{0%{opacity:0;animation-timing-function:cubic-bezier(.16,1,.3,1);transform:translate(-50%)translateY(23vh)}32%{opacity:1;transform:translate(-50%)translateY(0)}72%{opacity:1;animation-timing-function:ease-in;transform:translate(-50%)translateY(0)}to{opacity:0;transform:translate(-50%)translateY(-10px)}}#focus-back{z-index:18;border:2px solid var(--ui-text);background:var(--ui-window);min-width:58px;height:28px;color:var(--ui-text);font:13px var(--px-font);cursor:pointer;border-radius:2px;padding:0 12px;position:fixed;bottom:18px;right:18px;box-shadow:4px 4px #10182773}#focus-back:hover{background:var(--ui-accent);color:#08121b}#focus-back[hidden]{display:none}#boot{z-index:50;background:var(--room-dark);color:var(--crt-glow);flex-direction:column;justify-content:center;align-items:center;gap:14px;font-size:14px;transition:opacity .4s;display:flex;position:fixed;inset:0}#boot.done{opacity:0;pointer-events:none}#boot .bar{border:2px solid var(--crt-glow);width:220px;height:12px}#boot .bar i{background:var(--crt-glow);width:0;height:100%;transition:width .2s;display:block}#fallback{z-index:60;background:var(--room-dark);color:#d5dae2;padding:48px 24px;font-size:14px;line-height:2;position:fixed;inset:0}#fallback a{color:var(--crt-glow)}.reader{z-index:60;color:var(--reader-fg);background:var(--reader-bg);font-family:var(--reader-font);flex-direction:column;display:flex;position:fixed;inset:0}.reader[data-mode=pixel]{--reader-bg:#07111ff7;--reader-fg:#d7e0ee;--reader-muted:#8aa0bf;--reader-accent:#52e6d0;--reader-panel:#131c2e;--reader-line:#24314a;--reader-font:inherit}.reader[data-mode=easy]{--reader-bg:#faf9f5;--reader-fg:#2b2a27;--reader-muted:#6f6d65;--reader-accent:#c15f3c;--reader-panel:#f3f1ea;--reader-line:#e5e2d8;--reader-font:"PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif}.reader-progress{background:0 0;height:3px}.reader-progress i{background:var(--reader-accent);width:0;height:100%;transition:width 80ms linear;display:block}.reader-topbar{border-bottom:1px solid var(--reader-line);background:var(--reader-panel);justify-content:space-between;align-items:center;gap:8px;padding:6px 10px;display:flex}.reader-tabs{gap:4px;display:flex;overflow-x:auto}.reader-tab{border:1px solid var(--reader-line);color:var(--reader-muted);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border-bottom:none;border-radius:6px 6px 0 0;align-items:center;gap:6px;padding:5px 12px;display:inline-flex}.reader-tab.is-active{color:var(--reader-fg);border-color:var(--reader-accent);background:var(--reader-bg)}.reader-tab-close{opacity:.55;font-size:1.1em}.reader-tab-close:hover{opacity:1}.reader-tools{flex:none;gap:6px;display:flex}.reader-tools button{border:1px solid var(--reader-line);color:var(--reader-fg);font:inherit;cursor:pointer;background:0 0;border-radius:6px;padding:5px 10px}.reader-tools button:hover{border-color:var(--reader-accent);color:var(--reader-accent)}.reader-main{flex:1;min-height:0;display:flex}.reader-overview{flex:1;padding:24px clamp(16px,5vw,60px);overflow:auto}.reader-overview h2{color:var(--reader-accent);margin:0 0 16px}.reader-overview table{border-collapse:collapse;width:100%}.reader-overview th,.reader-overview td{text-align:left;border-bottom:1px solid var(--reader-line);vertical-align:top;padding:8px 12px}.reader-overview th{color:var(--reader-muted);background:var(--reader-bg);position:sticky;top:0}.reader-overview td.g{white-space:nowrap;font-weight:700}.reader-overview td.lv{color:var(--reader-muted);white-space:nowrap}.reader-overview tr.has-article td.g{color:var(--reader-accent)}.reader-open{border:1px solid var(--reader-accent);color:var(--reader-accent);font:inherit;cursor:pointer;background:0 0;border-radius:5px;padding:3px 10px}.reader-open:hover{background:var(--reader-accent);color:var(--reader-bg)}.reader-toc{border-right:1px solid var(--reader-line);background:var(--reader-panel);flex:none;width:220px;padding:20px 12px;overflow:auto}.reader-toc-title{color:var(--reader-muted);letter-spacing:.12em;margin-bottom:10px;font-size:.8em}.reader-toc nav{flex-direction:column;gap:2px;display:flex}.toc-l{color:var(--reader-muted);cursor:pointer;border-radius:4px;padding:3px 6px;font-size:.9em;line-height:1.4;text-decoration:none}.toc-l:hover{color:var(--reader-fg);background:var(--reader-bg)}.toc-l.lvl2{padding-left:18px}.toc-l.lvl3{padding-left:30px;font-size:.85em}.reader-scroll{flex:1;overflow:auto}.reader-article{max-width:44rem;margin:0 auto;padding:40px clamp(20px,4vw,48px) 140px;font-size:16px;line-height:1.9}.reader[data-mode=easy] .reader-article{font-size:17px;line-height:2}.reader-arttitle{color:var(--reader-accent);margin:0 0 24px}.reader-article h1,.reader-article h2,.reader-article h3{color:var(--reader-fg);margin:1.6em 0 .6em;position:relative}.reader-article .reader-h{cursor:pointer}.reader-article h1{border-bottom:1px solid var(--reader-line);padding-bottom:.3em}.reader-h:before{content:"▾";color:var(--reader-muted);font-size:.7em;position:absolute;top:.5em;left:-1.1em}.reader-h.collapsed:before{content:"▸"}.reader-article p{margin:.9em 0}.reader-article a{color:var(--reader-accent)}.reader-article em{color:var(--reader-muted);font-style:italic}.reader-article table{border-collapse:collapse;width:100%;margin:1em 0}.reader-article th,.reader-article td{border:1px solid var(--reader-line);padding:6px 10px;font-size:.92em}.reader-article code{background:var(--reader-panel);border-radius:3px;padding:1px 5px}.reader-article ul,.reader-article ol{padding-left:1.4em}.reader-article li{margin:.35em 0}@media (width<=720px){.reader-toc{display:none}}