:root{--bg:#f6f8fd;--text:#0d1b3e;--muted:#5b6b92;--line:rgba(13,27,62,.11);--sky-ink:#0369a1;--grad:linear-gradient(92deg,#38bdf8,#818cf8)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--sky-ink)}
header{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:2.5px;font-size:18px;color:var(--text);text-decoration:none}
.brand img{width:30px;height:30px}
.brand em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
main{padding:56px 0 72px}
h1{font-size:clamp(30px,4.4vw,42px);line-height:1.15;margin-bottom:8px;letter-spacing:-.4px}
.updated{color:var(--muted);margin-bottom:36px}
h2{font-size:20px;margin:34px 0 10px}
p,li{color:#22335f;font-size:16px}
p{margin-bottom:12px}
ul{padding-left:22px;margin-bottom:12px}
li{margin-bottom:6px}
.box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:20px 0}
footer{background:#0a1128;color:#aebadd;padding:28px 0;font-size:14px;text-align:center}
footer a{color:#dbe4ff;margin:0 8px}