:root{
  --bg:#F7F8FB; --surface:#FFFFFF; --text:#1B2230; --text-soft:#5B6475;
  --rose:#C8102E; --line:#DDE2EB; --sage-soft:#E2ECE8;
  --serif:Inter,system-ui,sans-serif;
  --sans:Inter,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#1A1324; --surface:#251C31; --text:#F5EAEA; --text-soft:#BCAAC0;
    --rose:#E38CA4; --line:#382C45; --sage-soft:#1F2F2B;
  }
}
:root[data-theme="dark"]{
  --bg:#1A1324; --surface:#251C31; --text:#F5EAEA; --text-soft:#BCAAC0;
  --rose:#E38CA4; --line:#382C45; --sage-soft:#1F2F2B;
}
*,*::before,*::after{box-sizing:border-box;}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;}
a{color:var(--rose);}
header{border-bottom:1px solid var(--line);background:var(--bg);}
.wrap{max-width:760px;margin:0 auto;padding:0 20px;}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text);}
.logo svg{width:26px;height:26px;}
.logo b{font-weight:800;font-size:20px;}
.back{font-size:14px;font-weight:700;text-decoration:none;}
main{padding:48px 0 64px;}
h1{font-family:var(--serif);font-weight:900;letter-spacing:-.02em;font-size:clamp(36px,6vw,52px);line-height:1.1;margin:0 0 8px;}
.updated{color:var(--text-soft);font-size:14px;margin:0 0 32px;}
h2{font-size:19px;font-weight:800;margin:34px 0 8px;}
p,li{color:var(--text);}
ul{padding-left:22px;}
li{margin:4px 0;}
.box{background:var(--sage-soft);border-radius:18px;padding:18px 20px;margin:20px 0;}
table{width:100%;border-collapse:collapse;font-size:14.5px;margin:12px 0;}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top;}
th{font-weight:800;}
.table-wrap{overflow-x:auto;}
mark.fill{background:#FFE58A;color:#241934;padding:0 4px;border-radius:4px;}
footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:13.5px;color:var(--text-soft);}
footer nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:10px;}
footer a{color:var(--text-soft);}