@font-face{font-family:Sora;font-weight:700;font-display:swap;src:url(/assets/fonts/sora-700.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(/assets/fonts/inter-400.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(/assets/fonts/inter-600.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:800;font-display:swap;src:url(/assets/fonts/inter-800.woff2) format("woff2")}
:root{--bg:#0c1522;--panel:#16253b;--line:#213a5f;--mute:#b7c6dc;--blue:#1874dc;--link:#6db0f7}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:#fff;font:400 17px/1.6 Inter,system-ui,sans-serif;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--link)}
a:hover{color:#fff}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
h1,h2{font-family:Sora,Inter,sans-serif;font-weight:700;line-height:1.18;letter-spacing:-.01em;margin:0}
h1{font-size:44px}
h2{font-size:30px;margin-bottom:18px}
h3{font-size:19px;font-weight:800;margin:28px 0 8px}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:6px}

/* header */
.top{position:sticky;top:0;z-index:30;background:var(--panel);border-bottom:1px solid var(--line)}
.top__row{display:flex;align-items:center;gap:28px;height:64px}
.top__logo{flex:none}
.menu{display:flex;gap:4px;margin-right:auto}
.menu a{color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:10px}
.menu a:hover{background:var(--line)}
.menu a[aria-current]{background:var(--blue)}
.burger{display:none;margin-left:auto;width:44px;height:44px;background:none;border:1px solid var(--line);border-radius:10px;padding:0;cursor:pointer;position:relative}
.burger i{position:absolute;left:11px;width:20px;height:2px;background:#fff;transition:transform .15s,opacity .15s}
.burger i:nth-child(1){top:14px}.burger i:nth-child(2){top:20px}.burger i:nth-child(3){top:26px}
.menu-open .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .burger i:nth-child(2){opacity:0}
.menu-open .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* button */
.act{display:inline-flex;align-items:center;gap:10px}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:800;font-size:16px;text-decoration:none;border-radius:10px;padding:12px 24px;white-space:nowrap}
.btn:hover{background:#2b86ea;color:#fff}
.age{font-size:13px;font-weight:800;color:var(--mute);border:1px solid var(--line);border-radius:6px;padding:2px 6px;white-space:nowrap}
.act--top .btn{padding:9px 16px;font-size:14px}

/* page head */
.head{padding:36px 0 24px}
.head__row{margin-bottom:24px}
.head__row .act{display:flex;justify-content:center;margin-top:18px}
.stamp{color:var(--mute);font-size:14px;margin:10px 0 0}
.ribbon{display:grid;border-block:2px solid var(--blue);margin-bottom:24px}
.ribbon--4{grid-template-columns:repeat(4,1fr)}
.ribbon--3{grid-template-columns:repeat(3,1fr)}
.ribbon__cell{padding:16px 22px;border-left:1px solid var(--line)}
.ribbon__cell:first-child{border-left:0;padding-left:0}
.ribbon__num{display:block;font:700 52px/1.1 Sora,Inter,sans-serif;letter-spacing:-.02em;white-space:nowrap}
.ribbon__txt{display:block;color:var(--mute);font-size:14px;line-height:1.35;margin-top:6px}
.art{margin:0}
.art{text-align:center}
.art img{width:auto;max-width:100%;max-height:340px;border-radius:10px;display:block;margin:0 auto}
.band{display:grid;grid-template-columns:minmax(0,600px) minmax(0,1fr);gap:24px;align-items:stretch}
.keys{background:var(--panel);border-radius:10px;padding:8px 20px;margin:0}
.keys div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line)}
.keys div:first-child{border-top:0}
.keys dt{color:var(--mute);font-size:15px}
.keys dd{margin:0;font-weight:800;text-align:right}

/* body */
.lead{font-size:19px;max-width:880px}
.prose{max-width:880px}
.sec{padding:30px 0 12px}
.toc{background:var(--panel);border-radius:10px;padding:12px 18px;margin:8px 0 12px}
.toc summary{cursor:pointer;font-weight:800}
.toc ol{margin:12px 0 4px}
.tbl{margin:0 0 20px;border-radius:10px;overflow:hidden;background:var(--panel)}
.tbl table{width:100%;border-collapse:collapse;font-size:16px}
.tbl thead th{background:var(--line);text-align:left;font-weight:800;font-size:14px;padding:12px 16px;vertical-align:bottom}
.tbl tbody th{text-align:left;font-weight:800;padding:13px 16px;vertical-align:top}
.tbl td{padding:13px 16px;vertical-align:top;color:#e6edf6}
.tbl tbody tr{border-top:1px solid var(--line)}
.tbl .n{font-weight:800;white-space:nowrap;color:#fff}
.tbl tbody th img{height:38px;width:auto}
.note{background:var(--panel);border-radius:10px;padding:14px 18px;margin:0 0 18px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 12px 46px;min-height:34px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--blue);font-weight:800;display:grid;place-items:center}
.logos{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}
.logos img{height:60px;width:auto;background:var(--panel);border-radius:8px;padding:12px 16px}
.strip{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:10px;margin-bottom:18px;scrollbar-color:var(--line) transparent}
.strip a{flex:0 0 176px;scroll-snap-align:start}
.strip img{border-radius:10px}
.qa details{border-top:1px solid var(--line)}
.qa details:last-child{border-bottom:1px solid var(--line)}
.qa summary{cursor:pointer;font-weight:800;padding:14px 0}
.qa details p{max-width:880px}
.grip{background:var(--panel);border-radius:10px;padding:20px 24px;margin:28px 0}
.grip h3{font:700 22px/1.2 Sora,Inter,sans-serif;margin:0 0 8px}
.grip ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;font-size:15px}
.grip li strong{display:block}
.read{border-top:2px solid var(--line);padding-top:6px;margin:24px 0}
.read h3{margin-top:12px}
.go-row{display:flex;justify-content:center;margin:8px 0 22px}

/* footer */
.foot{background:var(--panel);border-top:1px solid var(--line);margin-top:40px;padding:28px 0}
.foot__row{display:flex;gap:32px;align-items:flex-start;margin-bottom:16px}
.foot__nav{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:15px}
.foot__nav a{color:#fff;text-decoration:none}
.foot__nav a:hover{text-decoration:underline}
.foot__note{color:var(--mute);font-size:14px;margin:0 0 10px}
.foot__note img{display:inline-block;vertical-align:middle;margin-right:6px}
.stick{display:none}

@media (max-width:1100px){.menu a{padding:8px;font-size:14px}.top__row{gap:14px}}
@media (max-width:900px){
  body{font-size:16px;padding-bottom:72px}
  .burger{display:block;order:3}
  .act--top{display:none}
  .menu{display:none;position:absolute;left:0;right:0;top:64px;background:var(--panel);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 14px;margin:0}
  .menu-open .menu{display:flex}
  .menu a{font-size:16px;padding:12px}
  h1{font-size:31px}
  h2{font-size:24px}
  .head{padding:22px 0 16px}
  .head__row{margin-bottom:16px}
  .ribbon--4,.ribbon--3{grid-template-columns:1fr 1fr}
  .ribbon--3 .ribbon__cell:last-child{grid-column:1/-1;border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .ribbon__cell{padding:12px}
  .ribbon__cell:nth-child(odd){border-left:0;padding-left:0}
  .ribbon--4 .ribbon__cell:nth-child(n+3){border-top:1px solid var(--line)}
  .ribbon__num{font-size:34px}
  .ribbon__txt{font-size:13px}
  .band{grid-template-columns:minmax(0,1fr)}
  .lead{font-size:17px}
  .tbl thead{display:none}
  .tbl table,.tbl tbody,.tbl tr,.tbl td,.tbl tbody th{display:block;width:100%}
  .tbl tbody tr{padding:6px 0}
  .tbl tbody tr:first-child{border-top:0}
  .tbl tbody th{padding:10px 14px 4px}
  .tbl td{display:flex;justify-content:space-between;gap:16px;padding:6px 14px;text-align:right}
  .tbl td::before{content:attr(data-k);color:var(--mute);font-size:14px;text-align:left;flex:0 0 42%}
  .tbl .n{white-space:normal}
  .grip ul{grid-template-columns:1fr 1fr}
  .strip a{flex-basis:150px}
  .foot__row{display:block}
  .foot__nav{margin-top:14px}
  .stick{display:flex;justify-content:center;position:fixed;left:0;right:0;bottom:0;z-index:25;background:var(--panel);border-top:1px solid var(--line);padding:10px 16px}
  .stick .btn{padding:12px 36px}
}