:root{--bg:#fff;--alt:#f5f5f7;--tx:#1d1d1f;--mute:#6e6e73;--line:rgba(0,0,0,.1);--blue:#0071e3;--link:#0066cc}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--tx);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Helvetica Neue",sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1024px;margin:0 auto;padding:0 22px}
nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:48px}
.logo{font-weight:600;font-size:19px;letter-spacing:-.02em}
.mark{display:none}
.links{display:flex;gap:30px;align-items:center;font-size:12px;color:#424245}
.links a:hover{color:var(--tx)}
.btn{display:inline-block;padding:11px 22px;border-radius:980px;font-size:17px;font-weight:400;transition:background .2s}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:#0077ed}
.links .btn{padding:4px 12px;font-size:12px;color:#fff}
.btn-g{background:none;color:var(--link);padding:11px 6px}
.btn-g:after{content:" ›"}
.btn-g:hover{text-decoration:underline}
.hero{padding:120px 22px 110px;text-align:center}
.eyebrow{display:block;font-size:21px;font-weight:600;color:var(--mute);margin-bottom:6px;letter-spacing:0}
h1{font-size:clamp(44px,8vw,96px);line-height:1.04;font-weight:600;letter-spacing:-.035em}
.grad{color:var(--tx)}
.lead{max-width:600px;margin:22px auto 34px;color:var(--mute);font-size:clamp(19px,2.2vw,24px);line-height:1.35}
.cta{display:flex;gap:18px;justify-content:center;align-items:center;flex-wrap:wrap}
.chips{margin-top:40px;display:flex;gap:22px;justify-content:center;flex-wrap:wrap;color:var(--mute);font-size:14px}
section{padding:110px 0}
#features,section.alt{background:var(--alt)}
.sh{text-align:center;margin-bottom:56px}
.sh small{display:none}
h2{font-size:clamp(34px,5vw,56px);font-weight:600;letter-spacing:-.03em;line-height:1.08}
.sh p{color:var(--mute);margin-top:12px;font-size:21px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:40px 34px;border-radius:28px;background:#fff}
.card .n{display:none}
.card h3{font-size:24px;font-weight:600;margin:20px 0 8px;letter-spacing:-.02em}
.card p{color:var(--mute);font-size:17px}
.ic svg{width:34px;height:34px;stroke:var(--tx);fill:none;stroke-width:1.2}
#tools{background:#000;color:#f5f5f7}
#tools .sh p{color:#a1a1a6}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tool{padding:56px 44px;border-radius:28px;background:#1d1d1f;text-align:center}
.tool h3{font-size:40px;font-weight:600;letter-spacing:-.03em}
.tool p{color:#a1a1a6;margin:12px auto 22px;font-size:17px;max-width:340px}
.tool .btn-g{color:#2997ff}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;counter-reset:s;text-align:center}
.step:before{counter-increment:s;content:counter(s);display:block;font-size:56px;font-weight:600;color:#d2d2d7;letter-spacing:-.03em}
.step h3{font-size:21px;font-weight:600;margin:6px 0}
.step p{color:var(--mute);font-size:17px}
.contact{text-align:center;padding:64px 28px;border-radius:28px;background:#fff}
.todo{display:inline-block;margin-top:20px;padding:10px 18px;border-radius:12px;background:#fff4e5;color:#b25000;font-size:14px}
footer{background:var(--alt);border-top:.5px solid var(--line);padding:22px 0;color:var(--mute);font-size:12px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer a:hover{text-decoration:underline}
/* docs */
.doc{display:grid;grid-template-columns:200px 1fr;gap:64px;padding:72px 22px 120px;max-width:1024px;margin:0 auto}
.toc{position:sticky;top:80px;align-self:start;font-size:14px}
.toc b{display:block;font-size:12px;color:var(--mute);font-weight:600;margin-bottom:10px}
.toc a{display:block;color:var(--link);padding:5px 0}
.toc a:hover{text-decoration:underline}
article{min-width:0;max-width:680px}
article h1{font-size:clamp(36px,5vw,48px);letter-spacing:-.03em}
article .sub{color:var(--mute);margin:14px 0 40px;font-size:21px;line-height:1.4}
article h2{font-size:28px;margin:56px 0 14px;letter-spacing:-.02em;scroll-margin-top:70px}
article p,article li{font-size:17px;line-height:1.6;color:var(--tx)}
article p{margin:10px 0}
article ol{list-style:none;counter-reset:o;margin:14px 0}
article ol li{counter-increment:o;position:relative;padding:14px 0 14px 46px;border-bottom:.5px solid var(--line)}
article ol li:before{content:counter(o);position:absolute;left:0;top:13px;width:28px;height:28px;border-radius:50%;background:var(--alt);font-size:14px;font-weight:600;display:grid;place-items:center}
article ul{padding-left:20px;margin:10px 0}
article li{margin:4px 0}
article a{color:var(--link)!important}
pre{background:var(--alt);border-radius:18px;padding:20px 22px;overflow-x:auto;margin:16px 0;font-size:14px;line-height:1.6}
code{font-family:"SF Mono",SFMono-Regular,ui-monospace,Menlo,Consolas,monospace}
p code,li code,td code{background:var(--alt);padding:1px 6px;border-radius:6px;font-size:.88em}
.note{background:var(--alt);border-radius:18px;padding:18px 22px;margin:18px 0;font-size:15px;color:var(--tx)}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
th,td{text-align:left;padding:12px 10px 12px 0;border-bottom:.5px solid var(--line);vertical-align:top}
th{font-weight:600;color:var(--mute);font-size:13px}
.tw{overflow-x:auto}
.fade{opacity:0;transform:translateY(24px);transition:opacity .9s ease,transform .9s ease}
.fade.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.fade{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media(max-width:820px){.grid,.steps,.tools{grid-template-columns:1fr}.links a:not(.btn){display:none}.doc{grid-template-columns:1fr;gap:8px;padding-top:40px}.toc{position:static;display:none}.hero{padding:80px 22px 72px}section{padding:72px 0}.tool{padding:44px 28px}}
/* theme toggle + dark */
.tg{width:30px;height:30px;border-radius:50%;border:0;background:rgba(120,120,128,.12);color:var(--tx);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,transform .2s}
.tg:active{transform:scale(.9)}
html.tt *{transition:background-color .35s,color .35s,border-color .35s!important}
[data-theme=dark]{--bg:#000;--alt:#1c1c1e;--tx:#f5f5f7;--mute:#98989d;--line:rgba(255,255,255,.15);--blue:#0a84ff;--link:#2997ff;color-scheme:dark}
[data-theme=dark] nav{background:rgba(22,22,23,.72)}
[data-theme=dark] .links{color:#d1d1d6}
[data-theme=dark] pre,[data-theme=dark] .tw{background:#1c1c1e;border-color:#38383a}
[data-theme=dark] code{background:#2c2c2e;color:#f5f5f7}
[data-theme=dark] .note,[data-theme=dark] .warn{background:#2c2410;color:#ffd60a;border-color:#4a3c10}
[data-theme=dark] table,[data-theme=dark] th,[data-theme=dark] td{border-color:#38383a}
[data-theme=dark] th{background:#1c1c1e}
@keyframes spin{from{transform:rotate(-120deg) scale(.6);opacity:0}to{transform:none;opacity:1}}html.tt .tg svg{animation:spin .5s cubic-bezier(.22,1,.36,1)}
.btn:active{transform:scale(.97)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* v10 unify */
:root{--bg:#fafaf9;--alt:#fff;--tx:#18181b;--mute:#6b6b73;--line:rgba(24,24,27,.08);--blue:#18181b;--link:#0071e3}
[data-theme=dark]{--bg:#09090b;--alt:#121214;--tx:#fafafa;--mute:#a1a1aa;--line:rgba(255,255,255,.08);--blue:#fafafa;--link:#3b9cff}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC",sans-serif}
nav{background:rgba(250,250,249,.8)}[data-theme=dark] nav{background:rgba(9,9,11,.75)}
.btn-p{background:var(--blue);color:var(--bg);border-radius:10px}.btn-p:hover{background:var(--blue);opacity:.88}
.links .btn{border-radius:9px}
.logo::before{content:"";display:inline-block;width:22px;height:22px;border-radius:6px;background:url(/docs/assets/logo.svg) center/cover;vertical-align:-5px;margin-right:8px}
h1{letter-spacing:-.035em;font-weight:600}