@media screen and (max-width:767px){html{font-size:16px}body{color:#000;font-family:Microsoft YaHei,sans-serif}p{font-size:16px;line-height:1.75}h1{font-size:50px}h1,h2{color:#000;font-family:Microsoft YaHei,sans-serif;font-weight:700}h2{font-size:38px}h3{font-size:24px}h3,h4{color:#000;font-family:Microsoft YaHei,sans-serif;font-weight:700}h4{font-size:21px}h5,h6{color:#000;font-family:Microsoft YaHei,sans-serif;font-size:18px;font-weight:700}}