* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f8f9fa; color: #333; line-height: 1.8; padding: 20px; }
.container { max-width: 800px; margin: 0 auto; background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); padding: 40px 48px; }
@media (max-width: 600px) { .container { padding: 24px 20px; } }
h1 { font-size: 22px; color: #333; text-align: center; margin-bottom: 10px; }
.meta { text-align: center; color: #888; font-size: 14px; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid #eee; }
h2 { font-size: 17px; color: #667eea; margin-top: 28px; margin-bottom: 12px; padding-left: 0; }
h3 { font-size: 15px; color: #444; margin-top: 20px; margin-bottom: 8px; }
p { margin-bottom: 12px; text-indent: 2em; }
p.no-indent { text-indent: 0; }
ul, ol { margin: 8px 0 12px 28px; }
li { margin-bottom: 6px; }
table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; }
th, td { border: 1px solid #ddd; padding: 10px 14px; text-align: left; font-size: 14px; }
th { background: #667eea; color: #fff; font-weight: 500; }
td { background: #fff; }
.footer { text-align: center; color: #999; font-size: 13px; margin-top: 36px; padding-top: 20px; border-top: 1px solid #eee; }
strong { color: #333; }