body { font-family: 'Noto Sans TC', sans-serif; max-width: 750px; margin: 0 auto; padding: 0 20px 20px; color: #333; line-height: 1.8; }
h2 { border-bottom: 3px solid #4caf50; padding-bottom: 8px; color: #2e7d32; }
h3 { margin-top: 28px; color: #1565c0; border-left: 4px solid #1565c0; padding-left: 10px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.95em; }
th { background: #e8f5e9; padding: 9px 12px; text-align: left; font-weight: 600; }
td { padding: 8px 12px; border-bottom: 1px solid #eee; vertical-align: top; }
.aqi-good      { background: #00e400; color: #000; padding: 2px 8px; border-radius: 4px; }
.aqi-moderate  { background: #ffff00; color: #000; padding: 2px 8px; border-radius: 4px; }
.aqi-usg       { background: #ff7e00; color: #fff; padding: 2px 8px; border-radius: 4px; }
.aqi-unhealth  { background: #ff0000; color: #fff; padding: 2px 8px; border-radius: 4px; }
.aqi-very      { background: #8f3f97; color: #fff; padding: 2px 8px; border-radius: 4px; }
.aqi-hazard    { background: #7e0023; color: #fff; padding: 2px 8px; border-radius: 4px; }
.pollutant-box { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.pollutant-item { background: #f5f5f5; border-radius: 8px; padding: 12px 16px; }
.pollutant-item strong { display: block; color: #333; margin-bottom: 4px; }
.pollutant-item span { font-size: 0.9em; color: #666; }
.link-list { list-style: none; padding: 0; }
.link-list li { margin: 10px 0; }
.link-list a { color: #1565c0; text-decoration: none; font-weight: 500; }
.link-list a:hover { text-decoration: underline; }
.link-list .desc { font-size: 0.88em; color: #666; display: block; margin-top: 2px; }
.tip-box { background: #e3f2fd; border-radius: 8px; padding: 14px 18px; margin-top: 10px; }
.tip-box ul { margin: 8px 0 0 0; padding-left: 20px; }
.tip-box li { margin-bottom: 5px; }