body,
p,
div,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
a,
tr,
th,
td,
input,
form,
img,
table,
button {
    margin: 0;
    padding: 0;
    font-family: 'PingFang SC Bold';
}

img {
    vertical-align: middle;
}

a {
    text-decoration: none;
}

ul,
li {
    list-style: none;
}

html,
body {
    width: 100%;
    height: 100%;
    background-color: #fff;
}

a,
input,
button {
    border: none;
    outline: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

.w {
    width: 1200px;
    margin: 0 auto;
}