@font-face{font-family:Circe;src:url(/fonts/Circe-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Circe;src:url(/fonts/Circe-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Circe;src:url(/fonts/Circe-ExtraBold.woff2) format("woff2");font-weight:800;font-display:swap}

:root{
  --bg:#f4f6fb;
  --paper:#ffffff;
  --ink:#141b34;
  --ink-2:#3d4663;
  --muted:#6b7491;
  --line:#e3e7f1;
  --line-2:#d3d9e8;
  --blue:#2457e6;
  --blue-2:#3f7bff;
  --blue-soft:#eaf0ff;
  --violet:#7a4ce0;
  --green:#16a37a;
  --green-soft:#e6f6f0;
  --red:#d9384b;
  --red-soft:#fdecee;
  --amber-soft:#fff6e0;
  --r:16px;
  --wrap:1160px;
  --shadow:0 1px 2px rgba(20,27,52,.04),0 8px 24px -12px rgba(20,27,52,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Circe,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
.ic{width:20px;height:20px;flex:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:12px;font:700 16px/1 Circe,sans-serif;border:0;cursor:pointer;white-space:nowrap;transition:background .2s,box-shadow .2s,transform .15s;text-decoration:none!important}
.btn:active{transform:translateY(1px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px -10px rgba(36,87,230,.8)}
.btn-blue:hover{background:#1d49c7}
.btn-white{background:#fff;color:var(--blue);box-shadow:0 8px 20px -12px rgba(0,0,0,.35)}
.btn-white:hover{background:#f2f5ff}
.btn-ghost{background:var(--paper);color:var(--ink);border:1px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{height:40px;padding:0 16px;font-size:15px;border-radius:10px}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:22px;height:66px;position:relative}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none!important;flex:none}
.logo img{width:38px;height:38px}
.logo b{font-weight:800;font-size:20px;letter-spacing:.02em}
.logo i{font-style:normal;font-weight:700;font-size:13px;color:var(--blue);background:var(--blue-soft);padding:3px 8px;border-radius:6px;margin-left:2px}
.nav{display:flex;gap:2px;flex:1;margin-left:8px}
.nav a{padding:8px 11px;border-radius:8px;color:var(--ink-2);font-weight:700;font-size:15px;text-decoration:none}
.nav a:hover{background:var(--bg);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--blue);background:var(--blue-soft)}
.hd-cta{display:flex;gap:8px}
.burger{display:none;width:42px;height:42px;border-radius:10px;place-items:center;background:var(--paper);border:1px solid var(--line-2);color:var(--ink);cursor:pointer}

/* hub hero */
.hub{background:radial-gradient(460px 460px at 100% 0,rgba(255,255,255,.18),transparent 60%),linear-gradient(135deg,#2457e6 0%,#3b6cf2 45%,#7a4ce0 100%);color:#fff;position:relative;z-index:3}
.hub .wrap{padding-top:64px;padding-bottom:72px}
.hub-kicker{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;color:#dfe7ff;background:rgba(255,255,255,.12);padding:6px 12px;border-radius:999px}
.hub-kicker svg{width:16px;height:16px}
.hub h1{font-weight:800;font-size:clamp(34px,4.6vw,56px);line-height:1.04;letter-spacing:-.015em;margin:18px 0 10px;max-width:760px}
.hub p{color:#e3e9ff;font-size:19px;max-width:640px}
.search{position:relative;max-width:680px;margin-top:28px}
.search label{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);display:flex}
.search input{width:100%;height:60px;border-radius:14px;border:0;padding:0 18px 0 52px;font:400 17px Circe,sans-serif;color:var(--ink);background:#fff;box-shadow:0 18px 40px -18px rgba(10,20,60,.55);outline:none}
.search input:focus{box-shadow:0 0 0 4px rgba(255,255,255,.35),0 18px 40px -18px rgba(10,20,60,.55)}
.results{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border-radius:14px;box-shadow:0 24px 50px -16px rgba(10,20,60,.45);overflow:hidden;z-index:5}
.results a{display:block;padding:12px 18px;color:var(--ink);border-bottom:1px solid var(--line);text-decoration:none}
.results a:last-child{border-bottom:0}
.results a:hover,.results a.on{background:var(--blue-soft)}
.results a small{display:block;color:var(--muted);font-size:13px}
.results .none{padding:14px 18px;color:var(--muted)}
.hints{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:14px;color:#dfe7ff}
.hints button{background:rgba(255,255,255,.14);border:0;color:#fff;font:700 14px Circe,sans-serif;padding:5px 11px;border-radius:999px;cursor:pointer}
.hints button:hover{background:rgba(255,255,255,.24)}

/* sections */
.sec{margin-top:64px;scroll-margin-top:84px}
.sec-t{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.sec-t h2{font-weight:800;font-size:clamp(25px,2.8vw,34px);line-height:1.1;letter-spacing:-.01em}
.sec-t p{color:var(--muted);margin-top:6px}

.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-36px;position:relative;z-index:2}
.cat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.cat-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.cat-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
.cat-ic svg{width:22px;height:22px}
.cat h2{font-weight:800;font-size:19px;line-height:1.2}
.cat h2 a{color:var(--ink)}
.cat ul{list-style:none;display:flex;flex-direction:column;gap:6px;flex:1}
.cat li a{color:var(--ink-2);font-size:15px}
.cat li a:hover{color:var(--blue)}
.cat .all{margin-top:14px;font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.cat .all svg{width:16px;height:16px}
.cat.contact{background:linear-gradient(160deg,#f2f5ff,#fff)}

.pop{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pop a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;background:var(--paper);border:1px solid var(--line);border-radius:12px;color:var(--ink);font-weight:700;text-decoration:none}
.pop a:hover{border-color:var(--blue);color:var(--blue)}
.pop a svg{width:18px;height:18px;color:var(--blue);flex:none}

.facts{width:100%;border-collapse:separate;border-spacing:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.facts th,.facts td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line);font-size:16px;vertical-align:top}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:0}
.facts th{width:34%;color:var(--muted);font-weight:700;background:#fafbfe}

.reach{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.reach a{display:flex;gap:16px;align-items:center;padding:22px;border-radius:var(--r);background:var(--paper);border:1px solid var(--line);color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.reach a:hover{border-color:var(--blue)}
.reach .r-ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;flex:none;color:#fff}
.reach .r-ic svg{width:24px;height:24px}
.reach b{display:block;font-size:18px}
.reach span{color:var(--muted);font-size:15px}

/* article */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;padding-top:26px;font-size:14px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.art-wrap{display:grid;grid-template-columns:250px 1fr;gap:48px;padding-top:22px;align-items:start}
.side{position:sticky;top:86px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.side b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:4px 8px 10px}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{display:flex;align-items:center;gap:10px;padding:9px 8px;border-radius:8px;color:var(--ink-2);font-weight:700;font-size:15px;text-decoration:none}
.side nav a svg{width:18px;height:18px;color:var(--muted)}
.side nav a:hover{background:var(--bg)}
.side nav a[aria-current="page"]{background:var(--blue-soft);color:var(--blue)}
.side nav a[aria-current="page"] svg{color:var(--blue)}
.side .btn{width:100%;margin-top:14px}
.art{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:40px 48px;box-shadow:var(--shadow);min-width:0}
.art h1{font-weight:800;font-size:clamp(30px,3.6vw,44px);line-height:1.08;letter-spacing:-.015em}
.meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:14px;margin:12px 0 22px}
.meta span{display:inline-flex;align-items:center;gap:6px}
.meta svg{width:16px;height:16px}
.tldr{display:flex;gap:14px;padding:18px 20px;border-radius:14px;background:var(--blue-soft);color:#1d2b5c;margin-bottom:8px}
.tldr svg{width:22px;height:22px;color:var(--blue);flex:none;margin-top:3px}
.tldr b{display:block;margin-bottom:2px}
.toc-inline{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 6px}
.toc-inline a{padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);color:var(--ink-2);font-size:14px;font-weight:700;text-decoration:none}
.toc-inline a:hover{border-color:var(--blue);color:var(--blue)}
.art section{padding-top:30px;margin-top:30px;border-top:1px solid var(--line);scroll-margin-top:84px}
.art h2{font-weight:800;font-size:clamp(22px,2.3vw,28px);line-height:1.2;margin-bottom:12px}
.art p{color:var(--ink-2);margin-bottom:12px}
.art p:last-child{margin-bottom:0}
.art strong,.art b{color:var(--ink)}
.num{list-style:none;counter-reset:n;display:flex;flex-direction:column;gap:12px;margin:14px 0}
.num li{counter-increment:n;position:relative;padding-left:46px;color:var(--ink-2)}
.num li::before{content:counter(n);position:absolute;left:0;top:-1px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800;font-size:15px}
.dots{list-style:none;display:flex;flex-direction:column;gap:9px;margin:12px 0}
.dots li{position:relative;padding-left:22px;color:var(--ink-2)}
.dots li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.dots.no li::before{background:var(--red)}
.note{display:flex;gap:12px;padding:14px 16px;border-radius:12px;margin:14px 0;font-size:16px}
.note svg{width:20px;height:20px;flex:none;margin-top:3px}
.note.tip{background:var(--green-soft);color:#0f5a44}
.note.tip svg{color:var(--green)}
.note.warn{background:var(--red-soft);color:#7d1d29}
.note.warn svg{color:var(--red)}
.kv{width:100%;border-collapse:collapse;margin:14px 0;font-size:16px}
.kv th,.kv td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.kv th{color:var(--muted);font-weight:700;width:45%}
.kv tr:first-child th,.kv tr:first-child td{border-top:1px solid var(--line)}
.faq details{border:1px solid var(--line);border-radius:12px;margin-top:10px;background:#fbfcff}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 18px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:18px;height:18px;color:var(--blue);flex:none;transition:transform .2s}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq details p{padding:0 18px 16px;margin:0}
.help{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:34px;padding:22px 24px;border-radius:16px;background:linear-gradient(120deg,var(--blue),var(--violet));color:#fff}
.help h2{font-size:21px;margin:0;color:#fff}
.help p{color:#e3e9ff;margin:2px 0 0}
.help div:last-child{display:flex;gap:8px;flex-wrap:wrap}
.more{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
.more a{display:flex;gap:14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;background:var(--paper)}
.more a:hover{border-color:var(--blue)}
.more .cat-ic{width:40px;height:40px;flex:none}
.more b{display:block;font-size:16px}
.more span{color:var(--muted);font-size:14px}

/* footer */
.ft{margin-top:80px;background:#0f1630;color:#aab3cf}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding:44px 24px 28px}
.ft .logo{color:#fff;margin-bottom:14px}
.ft h2{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:#7d87a8;margin-bottom:12px}
.ft p{font-size:15px;margin-bottom:10px}
.ft nav{display:flex;flex-direction:column;gap:8px}
.ft nav a{color:#dfe4f5;font-weight:700;font-size:15px}
.ft-bar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:16px 24px 26px;border-top:1px solid rgba(255,255,255,.08);font-size:14px;color:#7d87a8}
.ft-bar .age{display:flex;align-items:center;gap:10px}
.ft-bar .age svg{width:30px;height:30px;flex:none}
.ft-bar img{height:24px;width:auto}

.sticky{display:none}

@media (max-width:1040px){
  .nav{display:none}
  .burger{display:grid;order:3}
  .hd-cta{margin-left:auto}
  .hd.open .nav{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;margin:0;padding:10px 16px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px -20px rgba(20,27,52,.25)}
  .hd.open .nav a{padding:12px;font-size:17px}
  .cats{grid-template-columns:1fr 1fr}
  .art-wrap{grid-template-columns:1fr;gap:0}
  .side{display:none}
}
@media (max-width:760px){
  .pop,.reach,.more{grid-template-columns:1fr}
  .art{padding:28px 22px;border-radius:16px}
  .help{flex-direction:column;align-items:flex-start}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hd .wrap{height:60px;gap:12px}
  .hd-cta{display:none}
  .burger{margin-left:auto}
  .logo b{font-size:18px}
  .hub .wrap{padding-top:40px;padding-bottom:64px}
  .hub p{font-size:17px}
  .search input{height:54px;font-size:16px}
  .cats{grid-template-columns:1fr;gap:12px}
  .sec{margin-top:48px}
  .sec-t{flex-direction:column;align-items:flex-start;gap:6px}
  .facts th,.facts td{padding:12px 14px;font-size:15px}
  .art{padding:24px 18px;margin:0 -4px}
  .help div:last-child .btn{flex:1}
  .ft-grid{grid-template-columns:1fr;padding:36px 16px 22px}
  .ft-bar{padding:16px 16px 94px}
  .sticky{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .sticky .btn{flex:1;height:50px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}