html,
body,
div,
footer,
header,
nav,
section,
aside,
ol,
ul,
li,
p,
h1,
h2,
h3,
h4,
h5,
dl,
dd,
dt,
input,
a,
span,
select,
option,
table,
tr,
td,
th,
button,
video,
form {
    margin: 0;
    padding: 0;
    outline: 0;
    box-sizing: border-box;
}
html, body {
    -webkit-text-size-adjust: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Helvetica Neue",STHeiti,"Microsoft Yahei",Tahoma,Simsun,sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;
    -webkit-font-smoothing: antialiased;
}
article,
aside,
figcaption,
figure,
footer,
header,
nav,
section {
    display: block;
}
img {
    max-width: 100%;
    border: 0;
}
a,button,input,select{
    outline:none;
    background-color:transparent;
    border-color:transparent;
    -webkit-appearance: none;
}
a{
    text-decoration: none;
}
table{
    border-spacing: 0;
}
button{
    font-family: 'Microsoft Yahei', 'Arial', 'Helvetica Neue', Helvetica, STHeiTi, sans-serif;
    cursor: pointer;
    border: none;
}
img {
    max-width: 100%;
    border: 0;
}
iframe{
    border: none;
}
::-webkit-scrollbar {display:none}