:root{--navy:#06102A;--blue:#1149F1;--ink:#06102A;--text:rgba(6,16,42,.78);--border:rgba(6,16,42,.12);--cloud:#F7F7F8;}
*{box-sizing:border-box;margin:0;padding:0;}
html{font-size:112.5%;}
body{font-family:'Segoe UI',Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:var(--blue);}
header{background:var(--navy);}
.bar{max-width:880px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.bar img{height:48px;width:auto;display:block;filter:invert(1) hue-rotate(180deg);}
.bar a.back{color:#fff;font-weight:600;font-size:.85rem;text-decoration:none;border:1px solid rgba(255,255,255,.3);border-radius:10px;padding:10px 16px;}
main{max-width:880px;margin:0 auto;padding:48px 22px 72px;}
h1{color:var(--ink);font-size:clamp(1.7rem,5vw,2.3rem);line-height:1.15;font-weight:800;}
.updated{margin-top:8px;color:rgba(6,16,42,.6);font-size:.85rem;}
h2{color:var(--ink);font-size:1.15rem;font-weight:800;margin:36px 0 10px;}
p{margin:10px 0;}
ul{margin:10px 0 10px 1.2em;}
li{margin:4px 0;}
.box{background:var(--cloud);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin:20px 0;}
dl dt{color:var(--ink);font-weight:700;margin-top:10px;}
dl dd{margin:2px 0 0;}
footer{border-top:1px solid var(--border);padding:24px 22px 40px;text-align:center;font-size:.85rem;color:rgba(6,16,42,.6);}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;}