body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td,header,hgroup,nav,section,article,aside,footer,figure,figcaption,menu,button {
    margin: 0;
    padding: 0
}

body {
    font-family: 'PingFangSC-Regular',Arial,sans-serif,"Helvetica Neue",Helvetica,STHeiTi;
    line-height: 1.5;
    font-size: 16px;
    color: #000;
    background-color: #f7f7f7;
    /* background-color: #fff; */
    -webkit-user-select: none;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    outline: 0;
}

h1,h2,h3,h4,h5,h6 {
    font-size: 100%;
    font-weight: normal
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

caption,th {
    text-align: left
}

fieldset,img {
    border: 0
}

li {
    list-style: none
}

ins {
    text-decoration: none
}

del {
    text-decoration: line-through
}

input,button,textarea,select,optgroup,option {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
    outline: 0;
}

button {
    -webkit-appearance: none;
    border: 0;
    background: none
}

a {
    -webkit-touch-callout: none;
    text-decoration: none
}

:focus {
    outline: 0;
    -webkit-tap-highlight-color: transparent
}

em,i {
    font-style: normal
}

::-webkit-scrollbar{
    display: none;
}

.none {
    display: none;
}
.block {
    display: block;
}
.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0
}
.fl {
    float: left;
}
.fr {
    float: right;
}