html { font-family: Arial, sans-serif; background: #f5f5f5; color: #111; }
body { margin: 0; }
main { max-width: 960px; margin: 0 auto; padding: 24px; background: white; min-height: 100vh; }
a { color: #0645ad; }
small { color: #555; }
.forum-list, .thread-list { line-height: 1.8; }