:root{--mint:#10B981;--mint2:#5EEAD4;--mintT:#0FAF8A;--ink:#0C1A17;--mut:#5B6B66;--soft:#F2F7F5;--line:#E3EBE8;--warn:#B45309;--warnbg:#FFF7ED}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Inter",system-ui,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.6}
h1,h2,h3{font-family:"Inter Display","Inter",sans-serif;letter-spacing:-.025em;line-height:1.15}
a{color:var(--mintT)}
header{border-bottom:1px solid var(--line)}
header .w{display:flex;align-items:center;gap:24px;height:72px}
header img{height:30px}
header nav{display:flex;gap:6px;font-size:15.5px;color:var(--ink);flex:1;align-items:center}
header nav a{color:inherit;text-decoration:none;font-weight:600;padding:9px 14px;border-radius:10px}
header nav a:hover{background:var(--soft);color:#0FAF8A}
header .btn{background:#10B981;color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:11px 18px;border-radius:12px;box-shadow:0 6px 16px rgba(16,185,129,.25)}
header .btn:hover{filter:brightness(1.07)}
.w{max-width:1120px;margin:0 auto;padding:0 28px}
.hero{background:var(--soft);padding:48px 0 40px}
.crumb{font-size:14px;color:var(--mut)}
.hero h1{font-size:46px;margin:12px 0 12px}
.hero p{font-size:18px;color:var(--mut);max-width:720px}
.layout{display:grid;grid-template-columns:240px 1fr;gap:48px;padding:44px 0 80px}
.toc{position:sticky;top:20px;align-self:start;font-size:14.5px}
.toc b{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:10px}
.toc a{display:block;color:var(--ink);text-decoration:none;padding:6px 10px;border-radius:8px}
.toc a:hover{background:var(--soft)}
section{margin-bottom:52px;scroll-margin-top:20px}
section h2{font-size:30px;margin-bottom:14px;display:flex;gap:14px;align-items:center}
section h2 .n{flex:none;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--mint2),var(--mint));color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center}
section p{margin:10px 0;font-size:16.5px}
ol.steps{list-style:none;counter-reset:s;margin:16px 0;display:grid;gap:10px}
ol.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 54px;border:1px solid var(--line);border-radius:14px;font-size:16px}
ol.steps li:before{content:counter(s);position:absolute;left:14px;top:13px;width:26px;height:26px;border-radius:8px;background:var(--soft);color:var(--mintT);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
ul.ok{margin:12px 0 12px 4px;list-style:none;display:grid;gap:8px}
ul.ok li{padding-left:28px;position:relative}
ul.ok li:before{content:"✓";position:absolute;left:4px;color:var(--mint);font-weight:700}
ul.no li:before{content:"✕";color:#DC2626}
.note{background:var(--soft);border-left:4px solid var(--mint);border-radius:10px;padding:14px 18px;margin:14px 0;font-size:15.5px}
.warn{background:var(--warnbg);border-left:4px solid #F59E0B;border-radius:10px;padding:14px 18px;margin:14px 0;font-size:15.5px}
.ui{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:7px;padding:1px 8px;font-size:14px;font-weight:600;white-space:nowrap}
.code{display:inline-flex;gap:5px;vertical-align:middle}.code span{width:28px;height:34px;border-radius:7px;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font:700 17px "Inter Display"}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
th,td{border-bottom:1px solid var(--line);padding:11px 10px;text-align:left;vertical-align:top}
th{font-size:13px;color:var(--mut);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
td.c{text-align:center}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}
.card{border:1px solid var(--line);border-radius:16px;padding:20px}
.card b{display:block;font-family:"Inter Display";font-size:19px;margin-bottom:6px}
.card span{color:var(--mut);font-size:15px}
.test{border:2px solid var(--mint);border-radius:18px;padding:22px 24px;margin:16px 0;background:#FBFEFD}
.test h3{font-size:21px;margin-bottom:8px}
footer{border-top:1px solid var(--line);padding:30px 0 50px;color:var(--mut);font-size:14px}
@media(max-width:820px){.layout{grid-template-columns:1fr}.toc{position:static}header nav{display:none}.hero h1{font-size:32px}.cards{grid-template-columns:1fr}section h2{font-size:24px}}
pre{background:#10201C;color:#E6FFF8;border-radius:10px;padding:12px 16px;font:14px/1.5 Consolas,monospace;overflow-x:auto;margin:10px 0;white-space:pre}
code{font:14px Consolas,monospace;background:var(--soft);padding:1px 5px;border-radius:5px}
/* 27.10: на телефоне длинные команды и таблица не растягивают страницу */
.layout>*{min-width:0}
code,pre{overflow-wrap:anywhere;white-space:pre-wrap}
@media(max-width:820px){table{display:block;overflow-x:auto}}