*{box-sizing:border-box}
body{margin:0;font:16px/1.72 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
     color:#1d2027;background:#fff}
.wrap{max-width:720px;margin:0 auto;padding:38px 20px 60px}
h1{font-size:29px;letter-spacing:-.5px;margin:0 0 6px}
.upd{color:#6b7280;font-size:14px;margin:0 0 28px}
h2{font-size:18px;margin:28px 0 6px}
p,li{color:#333a45}
ul{padding-left:22px}
a{color:#1c6fd4}
.box{background:#f6f7fa;border-radius:10px;padding:16px 18px;margin:18px 0}
.box b{display:block;margin-bottom:4px}
footer{border-top:1px solid #e6e8ee;margin-top:40px;padding-top:18px;font-size:13px;color:#6b7280}
footer a{color:#6b7280;margin-right:12px}