body{font-family:system-ui;margin:0;background:#f5f7fb;color:#1c2430}main{max-width:920px;margin:auto;padding:32px}a{color:#245a9b}.tag{display:inline-block;background:#dfeafb;border-radius:6px;padding:5px 9px;font-weight:700}.foot{font-size:13px;color:#667}li{margin:8px 0}span{color:#667}