:root{--bg:#f5f7fb;--card:#fff;--text:#1c2333;--muted:#5d6678;--line:#e2e7f0;--accent:#2563eb;--accent-d:#1d4ed8;--soft:#eef4ff;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-wrap:break-word}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-d);text-decoration:underline}
img,iframe,video{max-width:100%}
img{height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.top{background:#fff;border-bottom:1px solid var(--line)}
.top__row{display:flex;align-items:center;min-height:62px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:18px;line-height:1.2}
.logo:hover{text-decoration:none;color:var(--text)}
.logo__mark{width:36px;height:36px;flex:none}
.cats{background:#fff;border-bottom:1px solid var(--line)}
.cats__row{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:thin}
.cats a{flex:none;padding:6px 12px;border-radius:999px;background:var(--bg);color:var(--text);font-size:14px;white-space:nowrap;border:1px solid var(--line)}
.cats a:hover,.cats a.is-active{background:var(--soft);border-color:#c7d7fb;color:var(--accent-d);text-decoration:none}
.main{padding-top:20px;padding-bottom:40px}
.post,.related,.hero,.block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;max-width:820px;margin:0 auto 18px}
.block,.hero{max-width:none}
h1{font-size:30px;line-height:1.25;margin:6px 0 8px;letter-spacing:-.01em}
h2{font-size:23px;line-height:1.3;margin:28px 0 10px}
h3{font-size:19px;line-height:1.35;margin:20px 0 8px}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:24px}
li{margin:0 0 6px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--muted)}
.crumbs__sep{margin:0 6px;color:#9aa3b5}
.meta{font-size:14px;color:var(--muted);margin-bottom:16px}
.answer{background:var(--soft);border-left:4px solid var(--accent);border-radius:10px;padding:14px 18px;margin:0 0 18px}
.answer__label{font-weight:700;color:var(--accent-d);margin-bottom:6px;font-size:15px;text-transform:uppercase;letter-spacing:.03em}
.answer>*:last-child{margin-bottom:0}
.toc{background:#f7f9fc;border:1px solid var(--line);border-radius:10px;padding:12px 18px;margin:0 0 18px;font-size:16px}
.toc__title{font-weight:700;margin-bottom:6px}
.toc ol{margin:0;padding-left:22px}
.lead{margin-bottom:8px}
.video{position:relative;aspect-ratio:16/9;margin:6px 0 18px;border-radius:10px;overflow:hidden;background:#0f172a}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.table-wrap{overflow-x:auto;margin:0 0 18px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#f3f6fb}
figure{margin:8px auto 20px;max-width:min(100%,600px);text-align:center}
figure img{display:block;margin:0 auto;border-radius:10px;border:1px solid var(--line);width:auto;max-width:100%;height:auto}
figcaption{font-size:14px;color:var(--muted);margin-top:6px}
.note{background:#fff8e6;border-left:4px solid #f59e0b;border-radius:10px;padding:12px 16px;margin:0 0 18px}
.steps{counter-reset:s;list-style:none;padding-left:0}
.steps>li{counter-increment:s;position:relative;padding-left:40px;margin-bottom:12px}
.steps>li:before{content:counter(s);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.faq__item{border-top:1px solid var(--line);padding-top:4px}
.faq__item h3{margin-top:14px}
.related h2{margin-top:0;font-size:20px}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.related li{margin:0;padding:8px 0;border-bottom:1px solid var(--line)}
.related li:last-child{border-bottom:0}
.hero h1{font-size:30px}
.hero p{color:var(--muted);margin:0}
.block h2{margin-top:0}
.cards{list-style:none;padding:0;margin:0 0 10px}
.card{border-bottom:1px solid var(--line);padding:12px 0;margin:0}
.card a{font-weight:600;font-size:17px}
.card p{margin:4px 0 0;font-size:15px;color:var(--muted);line-height:1.5}
.cards--grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:0 24px}
.tiles{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.tiles li{margin:0}
.tiles a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fafbfe;color:var(--text);height:100%}
.tiles a:hover{border-color:#c7d7fb;background:var(--soft);text-decoration:none}
.tiles strong{display:block;font-size:16px}
.tiles span{font-size:14px;color:var(--muted)}
.intro{color:var(--muted)}
.pager{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.pager a,.pager span{min-width:38px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;text-align:center;font-size:15px}
.pager .is-cur{background:var(--accent);border-color:var(--accent);color:#fff}
.foot{background:#fff;border-top:1px solid var(--line);padding:22px 0;font-size:14px;color:var(--muted)}
.foot__cats{display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:12px}
.foot__cats a{color:var(--muted)}
.foot__note{margin:0}
@media (max-width:760px){
 body{font-size:16px}
 .post,.related,.hero,.block{padding:16px;border-radius:12px;margin-bottom:14px}
 .main{padding-top:14px}
 h1,.hero h1{font-size:24px}
 h2{font-size:20px;margin-top:24px}
 .logo{font-size:16px}
 .cards--grid{grid-template-columns:1fr}
 .tiles{grid-template-columns:1fr 1fr}
 figure{max-width:100%}
}
@media (max-width:400px){.tiles{grid-template-columns:1fr}}