:root{--ink:#1c2a30;--ink-soft:#51646c;--paper:#fafbf9;--card:#ffffff;--teal:#0e8a7b;--teal-deep:#0a6e63;--line:#e3e8e5}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7}
a{color:var(--teal-deep)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header{background:var(--card);border-bottom:1px solid var(--line)}
.nav{max-width:1040px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:1.35rem;font-weight:700;letter-spacing:-0.02em;color:var(--ink);text-decoration:none}
.logo span{color:var(--teal)}
.nav-links{display:flex;gap:22px}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:.95rem}
.nav-links a:hover{color:var(--teal-deep)}
main{padding:52px 0 64px}
h1{font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-0.03em;margin-bottom:6px}
.updated{color:var(--ink-soft);font-size:.95rem;margin-bottom:26px}
h2{font-size:1.2rem;margin:30px 0 8px}
p{margin-bottom:14px}
ul{margin:0 0 14px 22px}
li{margin-bottom:6px}
footer{padding:32px 0;color:var(--ink-soft);font-size:.9rem;border-top:1px solid var(--line)}
.foot{max-width:1040px;margin:0 auto;padding:0 20px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
.foot a{color:var(--ink-soft);text-decoration:underline}