body{font-family:system-ui,-apple-system,sans-serif;max-width:760px;margin:0 auto;padding:20px 18px 60px;line-height:1.6;color:#1b1b1f;background:#fff}h1{font-size:26px;margin-bottom:4px}h2{font-size:18px;margin-top:28px}.tpl{background:#fff4d6;border:1px solid #f0c75e;border-radius:10px;padding:12px 14px;font-size:14px}.ph{background:#eef1ff;padding:0 4px;border-radius:4px}a{color:#3b5bdb}.small{font-size:13px;color:#666}