:root{color-scheme:dark;--bg: #06080b;--panel: rgba(14, 19, 27, .82);--panel-strong: rgba(20, 28, 39, .92);--line: rgba(200, 217, 239, .18);--line-strong: rgba(200, 217, 239, .34);--text: #eef4fb;--muted: rgba(220, 230, 244, .72);--faint: rgba(220, 230, 244, .5);--cyan: #75e0ff;--gold: #ffd166;--coral: #f06b6b;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 70% 8%,rgba(117,224,255,.12),transparent 28rem),radial-gradient(circle at 18% 30%,rgba(255,209,102,.1),transparent 24rem),var(--bg);color:var(--text)}.guide-topbar{position:sticky;top:0;z-index:3;display:flex;align-items:center;gap:18px;padding:16px 22px;border-bottom:1px solid var(--line);background:#06080bc7;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.back-link{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 12px;border:1px solid var(--line-strong);border-radius:8px;background:#75e0ff14;color:var(--text);font-size:13px;font-weight:760;text-decoration:none}.eyebrow,.kicker{margin:0;color:var(--faint);font-size:11px;font-weight:780;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3,p{letter-spacing:0}h1{margin:2px 0 0;font-size:clamp(22px,3vw,34px);line-height:1.08}h2{margin:6px 0 0;font-size:clamp(25px,4vw,46px);line-height:1.02;max-width:900px}h3{margin:0 0 11px;font-size:17px;line-height:1.16}p,dd,li{color:var(--muted);font-size:14px;line-height:1.52}code{color:var(--gold);font-family:SFMono-Regular,Consolas,monospace;font-size:.92em}.guide-shell{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:28px 0 52px}.guide-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:28px;align-items:end;padding:30px 0 28px}.guide-hero>p{margin:0;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.guide-card,.wide-section{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 18px 55px #0000003d}.guide-card{padding:18px}.guide-card.accent{background:linear-gradient(135deg,#75e0ff1a,#ffd1660f),var(--panel)}.guide-card p:last-child,.guide-card ul:last-child,.guide-card ol:last-child{margin-bottom:0}.guide-card dl{display:grid;gap:13px;margin:0}.guide-card dt{color:var(--text);font-size:13px;font-weight:820}.guide-card dd{margin:3px 0 0}ul,ol{margin:10px 0 0;padding-left:20px}li+li{margin-top:7px}.wide-section{margin-top:14px;padding:20px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-heading h2{margin-top:5px;font-size:clamp(24px,3vw,34px)}.layer-table{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.layer-table>div{min-height:160px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--panel-strong)}.layer-table h3{margin-bottom:8px;color:var(--text);font-size:14px}.layer-table p{margin:0;font-size:13px}@media(max-width:900px){.guide-topbar,.guide-hero{align-items:start}.guide-topbar{flex-direction:column}.guide-hero,.guide-grid,.layer-table{grid-template-columns:1fr}.section-heading{display:block}}@media(max-width:560px){.guide-shell{width:min(100% - 24px,1180px);padding-top:18px}.guide-card,.wide-section,.guide-hero>p{padding:14px}}