.stage{background:radial-gradient(90% 70% at 85% 15%,#e3f0fc 0%,#0000 60%),radial-gradient(70% 60% at 10% 85%,#eaf3fc 0%,#0000 60%),#fff;min-height:100vh;position:relative;overflow:hidden}[data-theme=dark] .stage{background:radial-gradient(ellipse 80% 60% at 85% 20%, #1a1a2e 0%, transparent 55%), radial-gradient(ellipse 60% 50% at 15% 80%, #161625 0%, transparent 55%), var(--bg-0)}.deco{pointer-events:none;z-index:0;position:absolute}.deco.a{filter:blur(20px);opacity:.55;background:radial-gradient(circle,#c6d8ed 0%,#a8bed6 35%,#0000 70%);border-radius:50%;width:520px;height:520px;bottom:-140px;right:-120px}.deco.b{filter:blur(30px);opacity:.45;background:radial-gradient(circle,#e0d4f2 0%,#c7b8e0 40%,#0000 70%);border-radius:50%;width:340px;height:340px;top:10%;right:10%}.deco.c{filter:blur(20px);opacity:.4;background:radial-gradient(circle,#fce5b8 0%,#0000 70%);border-radius:50%;width:180px;height:180px;bottom:8%;left:5%}[data-theme=dark] .deco.a{opacity:.3;background:radial-gradient(circle,#2a3a5a 0%,#1a2a4a 35%,#0000 70%)}[data-theme=dark] .deco.b{opacity:.25;background:radial-gradient(circle,#3a2a5a 0%,#2a1a4a 40%,#0000 70%)}[data-theme=dark] .deco.c{opacity:.15;background:radial-gradient(circle,#3a3a1a 0%,#0000 70%)}.card{z-index:1;background:0 0;grid-template-columns:260px 1fr;min-height:100vh;display:grid;position:relative;overflow:hidden}.view-wrap{grid-template-columns:minmax(0,840px) 240px;gap:40px;max-height:calc(100vh - 80px);display:grid;overflow:hidden}.topbar{z-index:10;background:0 0;grid-column:1/-1;justify-content:space-between;align-items:center;gap:16px;padding:16px 32px;display:flex;position:sticky;top:0}.main-scroll{scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;max-height:calc(100vh - 80px);padding-left:80px;overflow-y:auto}.main-scroll::-webkit-scrollbar{display:none}
.side{scrollbar-width:none;-ms-overflow-style:none;align-self:start;max-height:calc(100vh - 80px);padding:32px 12px 32px 32px;position:sticky;top:80px;overflow-y:auto}.side::-webkit-scrollbar{width:0;display:none}.side .group{margin-bottom:8px}.side .group-head,.side .subgroup-head{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 8px;transition:background .15s;display:flex}.side .group-head:hover,.side .subgroup-head:hover{background:var(--line-2)}.side .group-title,.side .subgroup-title{color:var(--ink-2);align-items:center;gap:8px;font-weight:600;display:inline-flex}.side .group-title{text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);font-size:13px}.side .subgroup-title{font-size:11px}.side .group-emoji{filter:saturate(1.1);text-transform:none;font-size:14px;line-height:1}.side .group-chev{width:11px;height:11px;color:var(--ink-3);transition:transform .25s cubic-bezier(.4,0,.2,1),color .2s}.side .group.open>.group-head .group-chev,.side .subgroup.open>.subgroup-head .group-chev{color:var(--accent);transform:rotate(90deg)}.side .group-body,.side .subgroup-body{max-height:0;transition:max-height .3s cubic-bezier(.4,0,.2,1),padding .3s;overflow:hidden}.side .group.open>.group-body{max-height:3000px;padding:4px 0 8px}.side .subgroup.open>.subgroup-body{max-height:2000px;padding:2px 0 4px}.side .subgroup .subgroup{margin-top:4px;padding-left:12px}.side .subgroup .subgroup .subgroup-head{font-size:13px}.side .subgroup .subgroup .item,.side .item.sub-item{padding-left:28px}.side .item{color:var(--ink-2);cursor:pointer;letter-spacing:-.005em;-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 8px;font-size:13px;display:flex}.side .item:hover{background:var(--line-2);color:var(--ink)}.side .item.active{color:var(--ink);background:var(--line-2);font-weight:600}
.content{max-width:840px;padding:40px 0 100px}.content section{margin-bottom:64px}.content h2{letter-spacing:-.025em;color:var(--ink);margin:0 0 20px;font-size:28px;font-weight:600}.content section:first-child h2{margin-top:0}.content p{color:var(--ink-2);margin-bottom:24px;font-size:16px;line-height:1.7}.content ul{margin-bottom:24px;padding-left:20px}.content li{color:var(--ink-2);margin-bottom:8px;font-size:15px;line-height:1.6}.prose{max-width:65ch}.hero{flex-direction:column;padding:40px 0;display:flex;position:relative;overflow:hidden}.display{letter-spacing:-.04em;color:var(--ink);text-wrap:balance;max-width:800px;margin:0 0 24px;font-size:clamp(60px,9vw,100px);font-weight:600;line-height:1}.display span.muted{color:var(--ink-3);font-weight:300}.meta-line{color:var(--ink-2);font-size:12px;font-family:var(--font-mono), ui-monospace, monospace;letter-spacing:-.01em;align-items:center;gap:10px;margin-bottom:16px;display:flex}.meta-line .ver{color:var(--ink);align-items:center;gap:6px;font-weight:500;display:inline-flex}.meta-line .ver:before{content:"";background:#2da14d;border-radius:999px;width:6px;height:6px}.description{max-width:600px;color:var(--ink-2);letter-spacing:-.01em;font-size:18px;line-height:1.6}.doc-img-group{grid-template-columns:1fr 1fr;gap:24px;margin:32px 0;display:grid}.doc-img-group.single{grid-template-columns:minmax(0,600px);justify-content:center}.doc-img-wrap{flex-direction:column;gap:12px;display:flex}.doc-img-wrap img{border:1px solid var(--line);border-radius:16px;width:100%;height:auto;transition:transform .3s;box-shadow:0 4px 20px #00000008}.doc-img-wrap img:hover{transform:scale(1.02)}.doc-img-caption{color:var(--ink-3);text-align:center;font-size:13px;font-style:italic}.lightbox-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;cursor:zoom-out;background:#000000d9;justify-content:center;align-items:center;width:100%;height:100%;animation:.3s fadeIn;display:flex;position:fixed;top:0;left:0}.lightbox-content{flex-direction:column;align-items:center;max-width:90%;max-height:90%;display:flex;position:relative}.lightbox-content img{-o-object-fit:contain;object-fit:contain;border-radius:12px;max-width:100%;max-height:90vh;animation:.3s cubic-bezier(.16,1,.3,1) zoomIn;box-shadow:0 20px 60px #00000080}.lightbox-close{color:#fff;cursor:pointer;opacity:.7;background:0 0;border:none;padding:10px;font-size:24px;transition:opacity .2s;position:absolute;top:-40px;right:-40px}.lightbox-close:hover{opacity:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes zoomIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.brand{letter-spacing:-.01em;align-items:center;gap:10px;font-size:14px;font-weight:600;display:flex}.brand .logo{justify-content:center;align-items:center;width:24px;height:24px;display:flex}.brand .logo img{-o-object-fit:contain;object-fit:contain;width:100%;height:100%}.brand .name{color:var(--ink);white-space:nowrap}.top-nav{color:var(--ink-2);flex-wrap:wrap;align-items:center;gap:14px;margin-left:auto;font-size:13px;display:flex}.top-search{width:200px;position:relative}.top-search input{border:1px solid var(--line);width:100%;height:32px;color:var(--ink);background:0 0;border-radius:8px;outline:none;padding:0 12px 0 32px;font-size:13px;transition:border-color .15s,box-shadow .15s}.top-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent)}.top-search svg{color:var(--ink-3);position:absolute;top:50%;left:10px;transform:translateY(-50%)}.icon-btn{border:1px solid var(--line);width:34px;height:34px;color:var(--ink-2);cursor:pointer;background:0 0;border-radius:10px;place-items:center;transition:background .15s,color .15s,border-color .15s;display:grid}.icon-btn:hover{background:var(--line-2);color:var(--ink);border-color:var(--ink-3)}.lang-wrap{position:relative}.lang-btn{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:10px;justify-content:center;align-items:center;width:34px;height:34px;transition:background .15s,border-color .15s;display:inline-flex}.lang-btn:hover{background:var(--line-2);border-color:var(--ink-3)}.lang-menu{background:var(--bg-1);border:1px solid var(--line);z-index:20;border-radius:10px;min-width:160px;padding:4px;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 10px 30px #00000014}.lang-opt{width:100%;font:inherit;color:var(--ink);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;padding:8px 10px;font-size:13px;display:flex}.lang-opt:hover{background:var(--line-2)}.lang-opt.on{color:var(--accent);font-weight:500}.toc{scrollbar-width:none;align-self:start;max-height:calc(100vh - 80px);padding:80px 20px 80px 0;position:sticky;top:80px;overflow-y:auto}.toc::-webkit-scrollbar{display:none}.toc-title{text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:16px;font-size:11px;font-weight:600}.toc-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.toc-link{color:var(--ink);opacity:.5;padding:4px 0;font-size:13px;text-decoration:none;transition:opacity .15s,transform .15s;display:block}.toc-link:hover{opacity:.8;transform:translate(2px)}.toc-link.active{color:var(--ink);opacity:1;font-weight:600}.edge-tag{font-family:var(--font-mono), monospace;color:var(--ink-3);letter-spacing:.04em;z-index:2;font-size:11px;position:absolute;top:28px;right:32px}@media (max-width:900px){.doc-img-group,.card{grid-template-columns:1fr}.side{display:none}.topbar{flex-wrap:wrap;gap:12px;padding:14px 20px}.top-nav{order:3;justify-content:flex-start;gap:16px;width:100%}.top-search{width:100%}.hero{min-height:calc(100vh - 65px);padding:40px 24px}}