:root{--dark:#060B14;--navy:#22489D;--accent:#00ADEE;--accent-d:#0090c8;--ink:#0e1726;--muted:#5c6b82;--line:#e5ebf3;--bg:#fff;--soft:#f4f7fb;--com:#12a150;--dec:#e08b00}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Exo',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
img{max-width:100%}a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.hd{position:sticky;top:0;z-index:50;background:rgba(6,11,20,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo img{height:42px;display:block}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:#dbe4f0;font-size:15px;font-weight:500}
.nav a.active,.nav a:hover{color:var(--accent)}
.btn{background:var(--accent);color:#fff;font-weight:600;padding:10px 24px;border-radius:50px;font-size:15px;transition:.2s;border:0;display:inline-block}
.btn:hover{background:var(--accent-d)}
.burger{display:none;color:#fff;font-size:24px;background:none;border:0}
.ahero{background:radial-gradient(900px 460px at 78% -30%,rgba(0,173,238,.2),transparent 60%),linear-gradient(180deg,#060B14,#0b1424);color:#fff;padding:44px 0 52px;position:relative;overflow:hidden}
.ahero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:42px 42px;-webkit-mask:radial-gradient(600px 340px at 80% 20%,#000,transparent 75%);mask:radial-gradient(600px 340px at 80% 20%,#000,transparent 75%);opacity:.5}
.ahero .wrap{position:relative;z-index:2}
.bc{font-size:13px;color:#8ba0ba;margin-bottom:20px;display:flex;gap:8px;flex-wrap:wrap}
.bc a:hover{color:var(--accent)}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:40px;background:rgba(0,173,238,.14);color:#7fd4f5}
.tag.com{background:rgba(18,161,80,.16);color:#5fd39b}
.tag.dec{background:rgba(224,139,0,.18);color:#f0b45a}
.tag .d{width:7px;height:7px;border-radius:50%;background:currentColor}
.ahero h1{font-weight:700;font-size:clamp(28px,4.4vw,44px);line-height:1.12;margin:16px 0 20px;max-width:24ch}
.byline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:#aebfd4;font-size:14px}
.byline .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--navy));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.byline b{color:#fff}.byline .dot{opacity:.5}
.body{padding:52px 0 20px}
.body .wrap{display:grid;grid-template-columns:minmax(0,720px) 300px;gap:56px;justify-content:center}
.article{font-size:17px;color:#25344a}
.article p{margin:0 0 20px}
.article h2{font-size:26px;font-weight:700;color:var(--ink);margin:38px 0 14px}
.article h3{font-size:19px;font-weight:600;color:var(--ink);margin:26px 0 10px}
.article ul{margin:0 0 20px 4px;padding-left:22px}.article li{margin-bottom:9px}
.article strong{color:var(--ink)}
.lead{font-size:19px;color:var(--muted)}
.answer{background:linear-gradient(135deg,#eef8fd,#f4f7fb);border:1px solid #cfeaf8;border-left:4px solid var(--accent);border-radius:12px;padding:20px 22px;margin:0 0 28px}
.answer b{color:var(--navy);display:block;margin-bottom:5px;font-size:14px;text-transform:uppercase}
.answer p{margin:0;font-size:17px;color:#2a3a52}
.tbl{overflow-x:auto;margin:8px 0 28px}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:480px}
th{background:var(--dark);color:#fff;text-align:left;padding:12px 14px;font-weight:600;font-size:14px}
td{padding:12px 14px;border-bottom:1px solid var(--line)}
tr:nth-child(even) td{background:var(--soft)}
.tick{color:var(--com);font-weight:700}.cross{color:#c0392b;font-weight:700}
.ctaB{background:linear-gradient(120deg,#22489D,#00ADEE);color:#fff;border-radius:18px;padding:32px;margin:34px 0;text-align:center}
.ctaB h3{color:#fff;font-size:22px;margin:0 0 8px;font-weight:700}
.ctaB p{color:rgba(255,255,255,.9);margin:0 0 18px}
.ctaB .btn{background:#fff;color:var(--navy)}.ctaB .btn:hover{background:#eaf6fd}
.faq details{border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:12px}
.faq summary{font-weight:600;padding:14px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:16.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:24px}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 16px;color:var(--muted);margin:0}
.authorcard{display:flex;gap:16px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:22px;margin:36px 0 0}
.authorcard .av{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--navy));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:19px;flex:none}
.authorcard b{font-size:17px}.authorcard span{color:var(--muted);font-size:14px}
.side{position:sticky;top:96px;align-self:start}
.side .box{border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:20px}
.side h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.toc a{display:block;color:#3a4a62;font-size:14.5px;padding:7px 0 7px 14px;border-left:2px solid var(--line)}
.toc a:hover{color:var(--accent);border-color:var(--accent)}
.side .rel .it{padding:12px 0;border-bottom:1px solid var(--line)}.side .rel .it:last-child{border:0}
.side .rel a{display:block;font-weight:600;font-size:15px;line-height:1.3}
.side .rel small{color:#93a1b5;font-size:12.5px}
.sideCta{background:var(--dark);color:#fff;border-radius:16px;padding:22px;text-align:center}
.sideCta p{font-size:15px;color:#b6c4d8;margin-bottom:14px}
.ft{background:#060B14;color:#9fb0c6;padding:60px 0 26px;margin-top:40px}
.ft .top{display:grid;grid-template-columns:1.4fr 1fr 1.3fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft .logo img{height:38px}.ft p{font-size:14px;margin-top:16px;max-width:34ch}
.ft h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.ft ul{list-style:none;display:flex;flex-direction:column;gap:11px}.ft ul a{font-size:14.5px}.ft ul a:hover{color:var(--accent)}
.ft .ci{display:flex;gap:10px;font-size:14px;margin-bottom:11px;align-items:flex-start}
.ft .ci svg{width:17px;height:17px;stroke:var(--accent);fill:none;stroke-width:1.7;flex:none;margin-top:2px}
.ft .bottom{padding-top:22px;font-size:13px;color:#6f809a}
@media(max-width:960px){.nav{display:none}.burger{display:block}.body .wrap{grid-template-columns:1fr}.side{display:none}.ft .top{grid-template-columns:1fr 1fr}}