* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; color: #111827; line-height: 1.8; -webkit-font-smoothing: antialiased; }
.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }
nav { padding: 14px 0; border-bottom: 1px solid rgba(0,0,0,0.08); margin-bottom: 60px; }
nav .container { display: flex; justify-content: space-between; align-items: center; }
nav a { text-decoration: none; color: #111827; font-weight: 800; font-size: 1.1rem; }
nav a em { font-style: normal; color: #3e469a; }
nav .back { font-size: 0.85rem; font-weight: 500; color: #6b7280; }
nav .back:hover { color: #111827; }
h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 8px; }
.updated { font-size: 0.82rem; color: #6b7280; margin-bottom: 40px; }
h2 { font-size: 1.15rem; font-weight: 700; margin: 36px 0 12px; }
p, ul { font-size: 0.92rem; color: #374151; margin-bottom: 16px; }
ul { padding-left: 20px; }
li { margin-bottom: 6px; }
footer { border-top: 1px solid rgba(0,0,0,0.08); margin-top: 60px; padding: 24px 0; text-align: center; font-size: 0.78rem; color: #6b7280; }
footer a { color: #6b7280; text-decoration: none; margin: 0 8px; }
footer a:hover { color: #111827; }