:root{--g:clamp(16px,3.4vw,48px);--ink:#20262c;--muted:#5d6670;--orange:#e8662c;--paper:#fbf8f1;--line:#20262c1a;color-scheme:light}
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#eef0e8;color:var(--ink);font-family:"PingFang SC",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
canvas{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab;opacity:0;transition:opacity 1.2s}
body.ready canvas{opacity:1}
.bar{position:fixed;left:var(--g);right:var(--g);top:20px;z-index:6;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none}
.bar>*{pointer-events:auto}
.brand{font:700 22px/1 Georgia,serif;color:var(--ink);text-decoration:none}.brand small{display:block;font:500 10px system-ui;letter-spacing:.18em;margin-top:6px;color:var(--muted)}
.right{display:flex;gap:10px;align-items:flex-start}
.talk,summary{font-size:13px;font-weight:700;padding:10px 16px;border-radius:999px;text-decoration:none;cursor:pointer}
.talk{background:var(--ink);color:#fff}
summary{list-style:none;background:#ffffffc8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line);color:var(--ink)}summary::-webkit-details-marker{display:none}
details{position:relative}details nav{position:absolute;right:0;top:46px;min-width:200px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 12px 40px #20262c22;display:flex;flex-direction:column}
details nav a{padding:10px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}details nav a:hover{background:#20262c0d}
.intro{position:fixed;left:var(--g);top:96px;z-index:3;max-width:440px;pointer-events:none;transition:opacity .5s,transform .5s}
.eyebrow{margin:0;font:600 11px/1.6 "SF Mono",ui-monospace,monospace;letter-spacing:.14em;color:var(--muted)}
h1{font:800 clamp(30px,3.4vw,50px)/1.18 "PingFang SC",system-ui,sans-serif;margin:12px 0}
.lede{font-size:15px;line-height:1.8;color:#3d4650;margin:0}
body.open .intro{opacity:0;transform:translateY(-10px)}
.tags{position:fixed;inset:0;z-index:2;pointer-events:none;transition:opacity .4s}
body.open .tags{opacity:0}body.open .tag{pointer-events:none}
.tag{position:absolute;left:0;top:0;pointer-events:auto;font:600 12.5px/1 "PingFang SC",system-ui;padding:8px 12px;border-radius:999px;border:0;background:#fffffff0;color:var(--ink);box-shadow:0 4px 16px #20262c26;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s,scale .2s}
.tag::after{content:"";position:absolute;left:50%;bottom:-5px;width:8px;height:8px;background:inherit;translate:-50% 0;rotate:45deg;border-radius:2px}
.tag.main{background:var(--ink);color:#fff}
.tag.hot,.tag:hover{background:var(--orange);color:#fff;scale:1.06}
.hint{position:fixed;left:50%;bottom:18px;translate:-50% 0;z-index:3;margin:0;font:600 11px "SF Mono",ui-monospace,monospace;letter-spacing:.1em;color:var(--muted);transition:opacity .6s;white-space:nowrap}
.hint.fade,body.open .hint{opacity:0}
.panel{position:fixed;z-index:5;right:0;top:0;bottom:0;width:min(460px,40vw);background:var(--paper);box-shadow:-20px 0 60px #20262c1f;padding:84px 36px 40px;overflow:auto;transform:translateX(105%);transition:transform .55s cubic-bezier(.2,.8,.2,1)}
body.open .panel{transform:none}
#close{border:0;background:none;font:600 13px "PingFang SC",system-ui;color:var(--muted);cursor:pointer;padding:0;margin-bottom:22px}
#close:hover{color:var(--ink)}
.panel h2{font:800 clamp(26px,2.4vw,36px)/1.22 "PingFang SC",system-ui,sans-serif;margin:10px 0 16px}
.panel p{font-size:15px;line-height:1.85;color:#3d4650;margin:0 0 12px}
.panel .aside{font-size:13.5px;color:var(--muted);border-left:3px solid var(--orange);padding-left:12px}
.panel .fine{font-size:12px;color:var(--muted);line-height:1.7;margin-top:18px}
.actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:20px;font-size:14px;font-weight:700}
.actions a{color:var(--ink)}
a.primary{display:inline-block;background:var(--orange);color:#fff!important;padding:11px 16px;border-radius:999px;text-decoration:none;font-weight:700;font-size:14px}
a.primary.alt{background:var(--ink)}
.card{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:14px 0;background:#fff}
.card h3{margin:0 0 6px;font-size:17px}.card p{font-size:14px;margin-bottom:12px}
.item{display:block;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin:10px 0;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .2s,translate .2s}
.item:hover{border-color:var(--orange);translate:0 -2px}
.item b{display:block;font-size:16px;margin-bottom:4px}.item span{font-size:13.5px;line-height:1.7;color:var(--muted)}
html.no-gl .tags,html.no-gl .hint{display:none}html.no-gl .panel{transform:none;position:static;width:auto}html.no-gl .panel section{display:block!important}html.no-gl body{overflow:auto}
@media(max-width:760px){
 .bar{top:12px}.brand{font-size:19px}.talk,summary{padding:9px 13px;font-size:12.5px}
 .intro{top:auto;bottom:calc(46px + env(safe-area-inset-bottom));right:var(--g);max-width:none}
 h1{font-size:27px;margin:8px 0}.lede{font-size:13.5px;line-height:1.7}.lede br{display:none}
 .tag{font-size:11px;padding:6px 9px}.tag:not(.main){opacity:.92}
 .hint{bottom:calc(14px + env(safe-area-inset-bottom))}
 .panel{left:0;right:0;top:auto;width:auto;height:56vh;border-radius:20px 20px 0 0;padding:20px 22px calc(28px + env(safe-area-inset-bottom));transform:translateY(105%);box-shadow:0 -12px 40px #20262c22}
 .panel h2{font-size:24px}#close{margin-bottom:12px}
}
@media(prefers-reduced-motion:reduce){.panel,.intro,canvas{transition:none}}
#loader{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:#e9eee2;transition:opacity .9s;--p:.12}
body.ready #loader{opacity:0;pointer-events:none}
.lw{width:min(260px,70vw);text-align:center}.lw p{margin:0 0 14px;font:700 15px "PingFang SC",system-ui;color:var(--ink)}
.lbar{height:4px;border-radius:4px;background:#20262c1a;overflow:hidden}.lbar i{display:block;height:100%;width:calc(var(--p)*100%);background:var(--orange);border-radius:4px;transition:width .5s}
#loader:not([style]) .lbar i{animation:pre 6s ease-out forwards}@keyframes pre{from{width:4%}to{width:26%}}
.lw small{display:block;margin-top:10px;font:500 12px "PingFang SC",system-ui;color:var(--muted)}
.envs{position:fixed;right:var(--g);bottom:16px;z-index:4;display:flex;gap:6px;align-items:center;padding:5px;border-radius:999px;background:#ffffffc8;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 4px 18px #20262c1f;transition:opacity .4s}
.envs span{font:600 11px "PingFang SC",system-ui;color:var(--muted);padding:0 6px 0 8px}
.envs button{border:0;background:none;font:600 12.5px "PingFang SC",system-ui;color:var(--ink);padding:7px 11px;border-radius:999px;cursor:pointer}
.envs button[aria-pressed=true]{background:var(--ink);color:#fff}
body.open .envs{opacity:0;pointer-events:none}
@media(max-width:760px){.envs{top:60px;bottom:auto;right:var(--g)}.envs span{display:none}.envs button{padding:6px 9px;font-size:11.5px}}