.start{padding:44px 0 70px}.start-head{max-width:760px}.start-head .back{color:var(--color-text-2);align-items:center;gap:7px;margin-bottom:22px;font-size:13px;text-decoration:none;display:inline-flex}.start-head .back svg{transform:rotate(180deg)}.start-head .back:hover{color:var(--color-text)}.start-head h1{letter-spacing:-.045em;font-size:clamp(40px,6vw,68px);line-height:1.02}.start-head .lead{color:var(--color-text-2);max-width:48ch;margin:18px 0 0;font-size:clamp(17px,1.8vw,20px)}.start-grid{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:clamp(28px,6vw,80px);margin-top:48px;display:grid}.start-toc{position:sticky;top:96px}.start-toc b{font:500 11px/1 "Geist Mono Variable",var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--color-text-3);margin-bottom:14px;display:block}.start-toc ol{border-left:1px solid var(--color-line);gap:2px;margin:0;padding:0;list-style:none;display:grid}.start-toc a{color:var(--color-text-2);border-left:2px solid #0000;gap:10px;margin-left:-1px;padding:7px 0 7px 14px;font-size:14px;line-height:1.35;text-decoration:none;display:flex}.start-toc a:hover{color:var(--color-text);border-left-color:var(--color-line-strong)}.start-toc a.on{color:var(--color-text);border-left-color:var(--color-signal)}.start-toc .m{color:var(--color-text-3);flex:none;padding-top:2px;font-size:11.5px}.sstep{grid-template-columns:54px minmax(0,1fr);gap:6px;padding:0 0 46px;scroll-margin-top:90px;display:grid}.sn{border:1px solid var(--color-line-strong);width:40px;height:40px;color:var(--color-signal-glow);background:var(--color-surface-1);border-radius:50%;place-items:center;font-size:13px;display:grid}.sbody{min-width:0;padding-bottom:2px}.sbody h2{letter-spacing:-.035em;margin:4px 0 14px;font-size:clamp(24px,2.6vw,32px);line-height:1.12}.sbody h2 a{color:inherit;text-decoration:none}.sbody p{color:var(--color-text-2);text-wrap:pretty;max-width:62ch;margin:0 0 12px;font-size:16.5px;line-height:1.65}.sbody ul{gap:10px;max-width:62ch;margin:14px 0;padding:0;list-style:none;display:grid}.sbody li{color:var(--color-text-2);padding-left:20px;font-size:16px;line-height:1.6;position:relative}.sbody li:before{content:"";background:var(--color-signal);border-radius:50%;width:7px;height:7px;position:absolute;top:.7em;left:2px}.sbody code{font-family:"Geist Mono Variable",var(--font-mono);background:var(--color-surface-2);color:var(--color-text);border-radius:7px;padding:2px 7px;font-size:.9em}.sbody .cta-row{margin-top:18px}.scode{border:1px solid var(--color-line-strong);background:#0b0a09;border-radius:14px;max-width:620px;margin:16px 0;position:relative}.scode pre{color:var(--color-text);margin:0;padding:18px 110px 18px 20px;font-size:14px;line-height:1.8;overflow-x:auto}.scode b{color:var(--color-ok);font-weight:500}.scode .copy{margin:0;position:absolute;top:10px;right:10px}.sshot{max-width:680px;margin-top:20px}.shelp{border:1px solid var(--color-line-strong);background:linear-gradient(135deg,#ff8a1f12,transparent 60%),var(--color-surface-1);border-radius:20px;margin-top:6px;padding:26px}.shelp h2{letter-spacing:-.03em;margin:0;font-size:24px}.shelp p{color:var(--color-text-2);margin:8px 0 0}.shelp .cta-row{margin-top:18px}.start-foot{border-top:1px solid var(--color-line);color:var(--color-text-3);padding:26px 0;font-size:13px}.start-foot .wrap{flex-wrap:wrap;justify-content:space-between;gap:10px;display:flex}.start-foot a{color:var(--color-text-2);text-decoration:none}.start-foot a:hover{color:var(--color-text)}@media (width<=900px){.start{padding-top:26px}.start-grid{grid-template-columns:minmax(0,1fr);gap:26px;margin-top:30px}.start-toc{position:static}.start-toc ol{border:0;flex-wrap:wrap;gap:8px;display:flex}.start-toc a{border:1px solid var(--color-line);border-radius:99px;margin:0;padding:6px 12px;font-size:13px}.start-toc .m{display:none}.sstep{grid-template-columns:minmax(0,1fr)}.sn{width:34px;height:34px;margin-bottom:8px}.scode pre{padding-bottom:58px;padding-right:20px}.scode .copy{top:auto;bottom:10px}}.prose-body{max-width:720px;margin-top:40px}.prose-body h2{letter-spacing:-.035em;margin:44px 0 12px;font-size:clamp(22px,2.4vw,28px);line-height:1.15}.prose-body h2:first-child{margin-top:0}.prose-body h3{margin:24px 0 8px;font-size:17px}.prose-body p,.prose-body li{color:var(--color-text-2);font-size:16.5px;line-height:1.7}.prose-body p{margin:0 0 12px}.prose-body ul{gap:8px;margin:8px 0 12px;padding-left:20px;display:grid}.prose-body a{color:var(--color-signal-glow);text-underline-offset:3px}.prose-body code{font-family:"Geist Mono Variable",var(--font-mono);background:var(--color-surface-2);color:var(--color-text);border-radius:7px;padding:2px 7px;font-size:.9em}.prose-langs{gap:10px;margin:22px 0;display:grid}.prose-langs details{border:1px solid var(--color-line);background:var(--color-surface-1);border-radius:16px;padding:0 20px;transition:border-color .3s}.prose-langs details[open]{border-color:var(--color-line-strong)}.prose-langs summary{cursor:pointer;justify-content:space-between;gap:12px;padding:16px 0;font-weight:500;list-style:none;display:flex}.prose-langs summary::-webkit-details-marker{display:none}.prose-langs summary:after{content:"+";color:var(--color-text-3);font-size:20px;line-height:1}.prose-langs details[open] summary:after{content:"–"}.prose-langs details>:last-child{margin-bottom:20px}.prose-date{color:var(--color-text-3)!important;margin-top:40px!important;font-size:14px!important}