*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;background:#fff;color:#1d1d1f;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
header{border-bottom:1px solid rgba(0,0,0,.08);position:sticky;top:0;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);z-index:10}
nav{display:flex;align-items:center;justify-content:space-between;height:48px;max-width:1180px;margin:0 auto;padding:0 22px}
.logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:18px;color:#1d1d1f}
.logo b{font-weight:700}
.logo-badge,.mk{width:26px;height:26px;border-radius:7px;background:url('logo.png') center/cover no-repeat;display:inline-block;font-size:0;color:transparent}
.grad{font-weight:700}
.back{font-size:13px;color:#1d1d1f;opacity:.82}
.back:hover{opacity:.5}
main{padding:56px 0 72px}
h1{font-size:clamp(30px,5vw,44px);font-weight:600;letter-spacing:-.02em;margin-bottom:8px;color:#1d1d1f;line-height:1.08}
.updated{color:#86868b;font-size:14px;margin-bottom:38px}
h2{font-size:22px;font-weight:600;letter-spacing:-.01em;margin:36px 0 12px;color:#1d1d1f}
p,li{color:#424245;font-size:16px;margin-bottom:12px}
ul,ol{padding-left:22px;margin-bottom:12px}
a{color:#0066cc;text-decoration:none}
a:hover{text-decoration:underline}
strong{color:#1d1d1f;font-weight:600}
.note{background:#f5f5f7;border:1px solid #e8e8ed;border-radius:14px;padding:16px 20px;margin:20px 0;font-size:14px;color:#6e6e73}
footer{border-top:1px solid #d2d2d7;background:#f5f5f7;padding:28px 0;text-align:center;color:#86868b;font-size:13px}
footer a{color:#515154;margin:0 8px}
footer a:hover{text-decoration:underline}