body,
ol,
ul,
h1,
h2,
h3,
h4,
h5,
h6,
p,
th,
td,
dl,
dd,
form,
fieldset,
legend,
input,
textarea,
select { margin: 0; padding: 0; }
body { font: 13px "PingFang SC"; background: #F7F7F7; -webkit-text-size-adjust: 100%; color: #313131; }
* { margin: 0; padding: 0; box-sizing: border-box; }
a { color: #2d374b; text-decoration: none; outline: none; appearance: none; -webkit-tap-highlight-color: transparent; }
em { font-style: normal; }
li { list-style: none; }
img { border: 0; vertical-align: top; }
table { border-collapse: collapse; border-spacing: 0; }
p { word-wrap: break-word; }

.none { display: none; }
.block { display: none; }