:root { --bg: #0b1114; --text: #e8eef0; --muted: #93a3a8; --accent: #2ec4a9; --line: #1d2a2f; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 80px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 21px; margin: 40px 0 8px; padding-top: 24px; border-top: 1px solid var(--line); }
h3 { font-size: 17px; margin: 24px 0 4px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 20px; }
li { margin-bottom: 10px; }
a { color: var(--accent); }
.date, .foot { color: var(--muted); }
.foot { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.back { display: inline-block; margin-bottom: 24px; text-decoration: none; font-weight: 600; }