:root{
  --accent:#185ee0; --text:#0f1b33; --muted:#5d6b89; --border:#e3eaf6;
  --soft:#e9f0fb; --bg:#f6f9fe; --warn:#b45309; --warnbg:#fff7e6;
}
*{box-sizing:border-box;margin:0;}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
     color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;}
.wrap{max-width:840px;margin:0 auto;padding:2.5rem 1.4rem 5rem;}
.back{display:inline-flex;align-items:center;gap:.4rem;color:var(--accent);text-decoration:none;
      font-weight:600;font-size:.9rem;margin-bottom:1.8rem;}
.back:hover{text-decoration:underline;}
h1{font-size:1.75rem;letter-spacing:-.03em;margin-bottom:.4rem;}
.updated{color:var(--muted);font-size:.85rem;margin-bottom:2rem;}
h2{font-size:1.1rem;margin:2.2rem 0 .7rem;padding-top:1.2rem;border-top:1px solid var(--border);
   letter-spacing:-.01em;}
h2:first-of-type{border-top:0;padding-top:0;}
h3{font-size:.98rem;margin:1.4rem 0 .4rem;color:var(--accent);}
p,li{font-size:.94rem;color:#26324d;}
p{margin-bottom:.8rem;}
ul,ol{margin:0 0 1rem 1.3rem;}
li{margin-bottom:.4rem;}
a{color:var(--accent);}
table{width:100%;border-collapse:collapse;margin:1rem 0 1.4rem;font-size:.88rem;}
th,td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--border);vertical-align:top;}
th{background:var(--soft);font-weight:600;color:var(--text);}
.box{background:#fff;border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.3rem;margin:1.2rem 0;}
.warn{background:var(--warnbg);border:1px solid #fcd9a4;border-radius:14px;padding:1.1rem 1.3rem;
      margin:1.2rem 0;font-size:.9rem;color:#7c4a03;}
.warn b{color:var(--warn);}
.fill{background:#fff3cd;border-radius:4px;padding:0 .3rem;font-weight:600;color:#7c4a03;}
footer{border-top:1px solid var(--border);margin-top:3rem;padding-top:1.4rem;
       font-size:.85rem;color:var(--muted);}
footer a{color:var(--muted);margin-right:1rem;}