:root{color-scheme:light dark;--bg:#0f1220;--card:#171b2e;--text:#f4f6ff;--muted:#b8c0db;--accent:#8b7cff;--line:#2b3150}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;background:linear-gradient(160deg,#101325,#161a31);color:var(--text);line-height:1.7}
a{color:#b9b0ff}.wrap{max-width:900px;margin:auto;padding:48px 20px 80px}.brand{font-weight:800;letter-spacing:.2px;font-size:1.15rem}.hero{padding:56px 0 28px}.hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.15;margin:.2em 0}.hero p{color:var(--muted);max-width:720px}.card{background:rgba(23,27,46,.94);border:1px solid var(--line);border-radius:18px;padding:28px;margin:18px 0;box-shadow:0 12px 40px rgba(0,0,0,.18)}h2{margin-top:0;font-size:1.35rem}h3{margin-bottom:.25rem}ul{padding-left:1.3rem}.meta{font-size:.93rem;color:var(--muted)}.nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;text-decoration:none;background:#7566ee;color:white;padding:11px 16px;border-radius:11px;font-weight:700}.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--text)}footer{color:var(--muted);font-size:.9rem;padding-top:24px}.notice{border-left:4px solid var(--accent);padding-left:16px;color:var(--muted)}
@media(prefers-color-scheme:light){:root{--bg:#f7f8ff;--card:#fff;--text:#17192a;--muted:#5e6478;--accent:#6355d9;--line:#e3e6f2}body{background:linear-gradient(160deg,#f8f9ff,#eef0ff)}}