:root{--bg:#f5f5f7;--card:#fff;--text:#1d1d1f;--muted:#6e6e73;--border:#ddd;--blue:#06c;--notice:#fff8e7;--notice-border:#eed49a}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0;background:var(--bg);color:var(--text);line-height:1.62}main{max-width:880px;margin:42px auto;padding:36px 42px;background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:0 12px 34px rgba(15,23,42,.06)}h1{font-size:42px;letter-spacing:-.055em;line-height:1.04;margin:18px 0 8px}h2{margin:30px 0 8px;font-size:21px;letter-spacing:-.025em}p{margin:8px 0 0}a{color:var(--blue);text-decoration:none;font-weight:650}a:hover{text-decoration:underline}.meta{color:var(--muted);font-weight:650}.notice{background:var(--notice);border:1px solid var(--notice-border);border-radius:12px;padding:14px}ul{padding-left:22px}@media(max-width:700px){body{background:#fff}main{margin:0;padding:26px 20px;border:0;border-radius:0;box-shadow:none}h1{font-size:34px}h2{font-size:20px}}