body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;max-width:720px;margin:40px auto;padding:0 20px;color:#333;line-height:1.8}
header h1{font-size:1.5em;border-bottom:1px solid #eee;padding-bottom:10px}
nav a{margin-right:16px;color:#555;text-decoration:none}nav a:hover{color:#000}
article{margin:24px 0}article h2{font-size:1.2em;margin-bottom:6px}
article .meta{color:#999;font-size:.85em;margin-bottom:8px}
footer{margin-top:48px;padding-top:12px;border-top:1px solid #eee;color:#aaa;font-size:.8em;text-align:center}
a{color:#2b6cb0}