:root{--bg:#FAF9F7;--card:#fff;--line:#E4E2DE;--text:#16151A;--muted:#4A4B4F;--soft:#6B6C70;--accent:#C8202F;--accent-d:#A91B27;--dark:#16151A}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0}
body{background:var(--bg);color:var(--text);font:16px/1.65 "Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
header.top{position:sticky;top:0;z-index:50;border-bottom:1px solid #C7C8CB;background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
.top .wrap{max-width:1280px;display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;padding:6px 24px}
.top .logo img{height:48px;width:auto;display:block}
.top .main{display:flex;align-items:center;gap:24px}
.top .main a{color:var(--text);font-size:13px;font-weight:600;text-decoration:none}.top .main a:hover,.top .main a.on{color:var(--accent)}
.top .right{display:flex;align-items:center;gap:14px}.top .right a.login{color:var(--muted);font-size:13px;font-weight:600;text-decoration:none}
.top .right a.cta{background:var(--accent);color:#fff;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700;text-decoration:none}.top .right a.cta:hover{background:var(--accent-d)}
@media(max-width:900px){.top .main{display:none}}

.hero{background:#fff;border-bottom:1px solid var(--line);padding:56px 0 44px;text-align:center}
.hero .eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0}
.hero h1{font-size:44px;line-height:1.1;letter-spacing:-.02em;margin:12px 0 10px;font-weight:800}
.hero p.sub{color:var(--muted);margin:0 auto 26px;max-width:620px;font-size:17px}
.searchbox{position:relative;max-width:640px;margin:0 auto}
.searchbox svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;stroke:var(--soft);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.search{width:100%;padding:16px 18px 16px 50px;border-radius:999px;border:1.5px solid #C7C8CB;background:#fff;color:var(--text);font:inherit;font-size:16px;outline:none;box-shadow:0 4px 18px rgba(22,21,26,.06)}
.search:focus{border-color:var(--accent);box-shadow:0 4px 22px rgba(200,32,47,.14)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.chips button{border:1px solid #C7C8CB;background:#fff;border-radius:999px;padding:6px 14px;font:inherit;font-size:13px;font-weight:600;color:var(--text);cursor:pointer}.chips button:hover{border-color:var(--text)}

.block{padding:44px 0 8px}
.block h2{font-size:24px;letter-spacing:-.01em;margin:0 0 18px}
.popular{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:0 36px}
.popular a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 4px;border-bottom:1px solid var(--line);color:var(--text);font-weight:600;font-size:15px;text-decoration:none}
.popular a:hover{color:var(--accent)}.popular a span.arr{color:var(--accent);font-weight:800}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px;margin-bottom:20px}
.cat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 22px 14px}
.cat .ic{width:44px;height:44px;border-radius:12px;background:#FCE8EA;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.cat .ic svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.cat h3{margin:0 0 4px;font-size:18px}.cat .n{color:var(--soft);font-size:12.5px;margin:0 0 10px}
.cat ul{list-style:none;margin:0;padding:0}.cat li a{display:block;padding:9px 0;border-top:1px solid var(--line);color:var(--text);font-size:14.5px;font-weight:600;text-decoration:none}
.cat li a:hover{color:var(--accent)}
.none{display:none;margin:30px 0;text-align:center;color:var(--muted)}
.results{display:none;margin:26px 0 0}.results a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;color:var(--text);text-decoration:none}
.results a:hover{border-color:var(--accent)}.results strong{display:block;font-size:15.5px}.results span{color:var(--muted);font-size:13.5px}
.help-cta{margin:46px 0 60px;background:var(--dark);color:#fff;border-radius:20px;padding:34px 36px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.help-cta h2{margin:0 0 4px;font-size:22px;color:#fff}.help-cta p{margin:0;color:#C7C8CB;font-size:14.5px}
.help-cta .btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-block;border-radius:8px;padding:11px 20px;font-weight:700;font-size:14px;text-decoration:none!important}
.btn.red{background:var(--accent);color:#fff}.btn.red:hover{background:var(--accent-d)}.btn.ghost{border:1px solid #fff;color:#fff}.btn.ghost:hover{background:#fff;color:var(--dark)}

.crumbs{font-size:13px;color:var(--soft);padding:22px 0 0}.crumbs a{color:var(--soft)}.crumbs a:hover{color:var(--accent)}.crumbs span{margin:0 6px}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr) 210px;gap:40px;padding:22px 24px 60px;align-items:start}
.side{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto;font-size:14px}
.side details{border-bottom:1px solid var(--line);padding:8px 0}.side summary{cursor:pointer;font-weight:800;font-size:13.5px;list-style:none;display:flex;justify-content:space-between}
.side summary::-webkit-details-marker{display:none}.side summary::after{content:"+";color:var(--accent);font-weight:800}.side details[open] summary::after{content:"–"}
.side details a{display:block;padding:6px 0 6px 10px;color:var(--muted);text-decoration:none;border-left:2px solid transparent}.side details a:hover{color:var(--text)}
.side details a.on{color:var(--accent);font-weight:700;border-left-color:var(--accent)}
article{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:36px 42px}
article h1{font-size:34px;line-height:1.2;letter-spacing:-.015em;margin:0 0 8px}article .lead{color:var(--muted);font-size:17px;margin:0 0 6px}
article .meta{color:var(--soft);font-size:12.5px;margin:0 0 22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
article h2{font-size:23px;margin:34px 0 8px;scroll-margin-top:90px}article h3{font-size:18px;margin:22px 0 6px}
article p,article li{color:#2B2A30}article ul,article ol{padding-left:22px}article li{margin:5px 0}
article code{background:#F1EFEC;border-radius:5px;padding:1px 6px;font-size:.92em}
table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14.5px}th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}th{background:#F5F3F0}
.feedback{margin-top:34px;padding:20px 22px;border:1px solid var(--line);border-radius:14px;background:#FAF9F7;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.feedback p{margin:0;font-weight:700}.feedback button{border:1px solid #C7C8CB;background:#fff;border-radius:8px;padding:8px 18px;font:inherit;font-weight:700;font-size:14px;cursor:pointer;margin-left:8px}.feedback button:hover{border-color:var(--text)}
.feedback .thanks{display:none;color:var(--accent);font-weight:700}
.related{margin-top:26px}.related h2{font-size:18px;margin:0 0 8px}.related a{display:block;padding:10px 0;border-top:1px solid var(--line);color:var(--text);font-weight:600;text-decoration:none}.related a:hover{color:var(--accent)}
.toc{position:sticky;top:84px;font-size:13.5px}.toc h4{margin:0 0 10px;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
.toc a{display:block;padding:5px 0 5px 12px;color:var(--muted);border-left:2px solid var(--line);text-decoration:none}.toc a:hover{color:var(--accent);border-left-color:var(--accent)}
.foot{background:var(--dark);color:#C7C8CB;padding:30px 0;font-size:13px}.foot a{color:#fff}
@media(max-width:1100px){.layout{grid-template-columns:240px minmax(0,1fr)}.toc{display:none}}
@media(max-width:820px){.layout{grid-template-columns:1fr;gap:14px}.side{display:none}article{padding:24px 20px}.hero h1{font-size:32px}.help-cta{padding:26px 22px}}