:root{--ink: #0a0a0a;--panel: #121212;--panel-2: #181818;--line: rgba(255, 255, 255, .1);--muted: rgba(255, 255, 255, .6);--green: #4ade80;--blue: #4a90ff;--violet: #a78bfa;--amber: #f5c518;--pink: #f472b6;--crimson: #ff4d4d;--accent: var(--green)}.field{position:fixed;inset:0;z-index:0;background:radial-gradient(1200px 600px at 70% -10%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(74,144,255,.08),transparent 60%),var(--ink)}.seams{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 80% at 50% 30%,#000 30%,transparent 75%);opacity:.4}main{position:relative;z-index:1}main section[id]{scroll-margin-top:88px}.a-hero{position:relative;min-height:62vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:140px var(--page-padding) 60px}.a-hero .kicker{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:18px}.a-hero .kicker:before{content:"";width:7px;height:7px;border-radius:999px;background:var(--accent);box-shadow:0 0 12px var(--accent)}.a-hero h1{font-size:clamp(2.4rem,7vw,4.6rem);font-weight:900;line-height:1.02;letter-spacing:-.02em;max-width:16ch}.a-hero .lede{margin-top:22px;max-width:60ch;color:var(--muted);font-size:clamp(1.02rem,1.8vw,1.18rem);line-height:1.7}.a-hero .lede strong{color:#fff}.band{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:76px var(--page-padding)}.band-alt{background:#12121280;backdrop-filter:blur(4px);max-width:none;border-top:1px solid 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.cb-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel)}.codeblock .cb-dot{width:11px;height:11px;border-radius:999px;background:#333}.codeblock .cb-name{margin-left:8px;font-size:.75rem;color:var(--muted);font-family:ui-monospace,monospace}.codeblock pre{margin:0;padding:16px 18px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;line-height:1.6;color:#e6e6e6}.codeblock .c-key{color:var(--accent)}.codeblock .c-com{color:#ffffff61}.codeblock .c-str{color:#9ece6a}.diagram{margin-top:30px;background:radial-gradient(120% 120% at 50% 0%,color-mix(in srgb,var(--accent) 7%,transparent),transparent 60%),var(--panel);border:1px solid var(--line);border-radius:18px;padding:34px 26px}.diagram .dg-cap{margin-top:20px;text-align:center;color:var(--muted);font-size:.82rem}.node{display:inline-flex;flex-direction:column;align-items:center;gap:3px;text-align:center;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:.86rem;font-weight:600;color:#fff;min-width:96px}.node small{font-weight:400;color:var(--muted);font-size:.72rem}.node.accent{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--panel-2))}.node.ghost{border-style:dashed;color:var(--muted)}.flow{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px}.arrow{color:var(--accent);font-size:1.3rem;line-height:1;flex:none}.arrow.down{width:100%;text-align:center}.split{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px}.note-card h3{font-size:1rem;margin-bottom:8px;display:flex;align-items:center;gap:8px}.note-card h3:before{content:"";width:6px;height:18px;border-radius:3px;background:var(--accent)}.note-card p{color:var(--muted);font-size:.92rem;line-height:1.6}.note-card.mine{background:color-mix(in srgb,var(--accent) 8%,var(--panel));border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}.pill{display:inline-block;font-size:.68rem;text-transform:uppercase;letter-spacing:1px;font-weight:800;padding:4px 9px;border-radius:999px;background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}.points{margin-top:26px;list-style:none;display:grid;gap:10px}.points li{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.points li .pt-n{font-family:var(--font-script, 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.src-note{grid-area:note;color:var(--muted);font-size:.8rem}.pager{max-width:900px;margin:0 auto;padding:10px var(--page-padding) 120px;display:flex;justify-content:space-between;gap:14px}.pager a{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:border-color .2s,transform .15s}.pager a:hover{border-color:var(--accent);transform:translateY(-2px)}.pager .pg-dir{font-size:.72rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.pager .pg-title{margin-top:4px;font-weight:700}.pager a.next{text-align:right}.pager a.disabled{opacity:.3;pointer-events:none}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:.85rem;transition:color .2s}.back-link:hover{color:var(--accent)}@supports (animation-timeline: view()){@media(prefers-reduced-motion:no-preference){.reveal{animation:reveal-in linear both;animation-timeline:view();animation-range:entry 0% cover 26%}}}@keyframes reveal-in{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}main>section:last-of-type{padding-bottom:40px}@media(max-width:760px){.split{grid-template-columns:1fr}.pager{flex-direction:column}.pager a.next{text-align:left}}@media(prefers-reduced-motion:reduce){.reveal{animation:none}}