:root{--bg:#f6f3ec;--card:#fffdf8;--ink:#23302b;--soft:#5f6b66;--line:#e4ddd0;--accent:#2f5d50}
@media (prefers-color-scheme:dark){:root{--bg:#161b19;--card:#1f2623;--ink:#e9ece8;--soft:#9aa6a0;--line:#2f3833;--accent:#7fc3ad}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}.w{max-width:720px;margin:0 auto;padding:0 20px}
nav{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);text-decoration:none}.brand svg{width:26px;height:26px}
h1{font-size:clamp(30px,5vw,42px);line-height:1.15;margin:20px 0 10px}h2{font-size:24px;margin:34px 0 8px}
.meta{color:var(--soft);font-size:15px}.box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin:30px 0}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;border-radius:12px;padding:12px 18px;font-weight:700}
@media (prefers-color-scheme:dark){.btn{color:#10201a}}
footer{border-top:1px solid var(--line);margin-top:50px;padding:24px 0 40px;color:var(--soft);font-size:14px}footer a{color:var(--soft);margin-right:14px}
li{margin:6px 0}