:root{--bg:#f6f7f9;--surface:#fff;--surface2:#eef0f4;--text:#0d0f14;--muted:#5a6170;--line:#dde1e8;--accent:#1d4ed8;--accent2:#7c3aed;--accent-soft:#e8eefc;--code:#0d1117;--codetext:#e6edf3;--warn:#fff7e6;--warnline:#f0c36d;--shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(15,23,42,.06)}
[data-theme="dark"]{--bg:#07080b;--surface:#101217;--surface2:#171a21;--text:#eef1f6;--muted:#9aa3b2;--line:#252a33;--accent:#7aa2ff;--accent2:#b18cff;--accent-soft:#151c2e;--code:#0b0d12;--codetext:#e6edf3;--warn:#231d10;--warnline:#7a5b1e;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:'FiraGO',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:8px 14px;z-index:100}.skip:focus{left:8px}
.network{background:#000;color:#cfd5e0;font-size:13px}
.network .wrap{display:flex;gap:6px 18px;align-items:center;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding-top:7px;padding-bottom:7px}
.network b{color:#fff;letter-spacing:.08em;font-size:12px}
.network a{color:#cfd5e0}.network a[aria-current]{color:#fff;font-weight:600}
header.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text)}.logo:hover{text-decoration:none}
.logo svg{width:32px;height:32px}
nav.main{display:flex;gap:4px;align-items:center}
nav.main a{white-space:nowrap;color:var(--muted);font-size:15px;padding:6px 10px;border-radius:8px}nav.main a:hover{color:var(--text);background:var(--surface2);text-decoration:none}
.btn-icon{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:7px 12px;cursor:pointer;font:inherit;font-size:14px}
.menu-btn{display:none}
.hero{padding:72px 0 48px;background:radial-gradient(900px 400px at 85% -10%,color-mix(in srgb,var(--accent2) 18%,transparent),transparent),radial-gradient(700px 360px at 0% 0%,color-mix(in srgb,var(--accent) 14%,transparent),transparent)}
.badge{display:inline-flex;gap:8px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:14px;color:var(--muted)}
.hero h1{font-size:clamp(32px,5.2vw,58px);line-height:1.15;margin:18px 0 14px;font-weight:800;letter-spacing:-.01em}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:760px;margin:0 0 26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;font-size:16px;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.btn:hover{text-decoration:none;border-color:var(--accent)}
.btn.primary{background:var(--text);color:var(--bg);border-color:var(--text)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:24px;font-weight:800}.stat span{color:var(--muted);font-size:14px;line-height:1.4;display:block}
.updated{margin-top:18px;font-size:14px;color:var(--muted)}
section.block{padding:64px 0;border-top:1px solid var(--line)}
.kicker{color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.25;margin:6px 0 14px;font-weight:800}
h3{font-size:20px;line-height:1.35;margin:0 0 8px}
.sub{color:var(--muted);max-width:780px;margin:0 0 30px}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.card p{margin:0 0 10px;color:var(--muted)}.card p:last-child{margin-bottom:0}
.card .ic{font-size:26px;line-height:1;margin-bottom:10px}
.tag{display:inline-block;font-size:12.5px;background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:2px 8px;margin:2px 4px 0 0;font-weight:600}
.steps{counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(4,1fr)}
.step{position:relative;padding-top:54px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:20px;left:22px;width:28px;height:28px;border-radius:50%;background:var(--text);color:var(--bg);font-weight:800;display:grid;place-items:center;font-size:15px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:640px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--surface2);font-weight:700;font-size:14px}tr:last-child td{border-bottom:0}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--surface2);padding:1px 6px;border-radius:6px}
pre{background:var(--code);color:var(--codetext);border-radius:14px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.55;margin:0;border:1px solid var(--line)}
pre code{background:none;padding:0;color:inherit;font-size:inherit}
.note{background:var(--warn);border:1px solid var(--warnline);border-radius:14px;padding:14px 18px;font-size:15px;margin-top:20px}
.prompt{display:flex;flex-direction:column}
.prompt blockquote{margin:8px 0 14px;padding:12px 14px;background:var(--surface2);border-radius:12px;font-size:15.5px;flex:1}
.copy{align-self:flex-start;background:none;border:1px solid var(--line);border-radius:9px;padding:6px 12px;cursor:pointer;font:inherit;font-size:14px;color:var(--text)}
.copy:hover{border-color:var(--accent)}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}summary:after{content:'+';color:var(--accent);font-size:22px;line-height:1}
details[open] summary:after{content:'−'}details p{margin:0 0 16px;color:var(--muted)}
.author{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:start}
.avatar{width:96px;height:96px;border-radius:24px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:34px}
.author ul{margin:10px 0 18px;padding-left:20px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding:40px 0 50px;font-size:15px;color:var(--muted)}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
footer h4{color:var(--text);margin:0 0 10px;font-size:15px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:4px 0}
.disclaimer{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:13.5px}
.err{min-height:70vh;display:grid;place-items:center;text-align:center;padding:40px 20px}
.err b{font-size:96px;font-weight:900;line-height:1}
@media (max-width:960px){.stats,.steps{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.foot{grid-template-columns:1fr 1fr}}
@media (max-width:1100px){nav.main{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:10px 20px 18px;border-bottom:1px solid var(--line)}
 nav.main.open{display:flex}.menu-btn{display:inline-block}}
@media (max-width:620px){body{font-size:16px}.stats,.steps,.g2,.g3,.foot{grid-template-columns:1fr}.author{grid-template-columns:1fr}.hero{padding-top:48px}section.block{padding:48px 0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.prompt .tag{align-self:flex-start}