body {
    -webkit-text-size-adjust: 100% !important;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

body {
    background-color: #fff;
    color: #333333;
    font-size: 0.28rem;
    font-family: PingFangSC, "Microsoft Yahei", Helvetica, Tahoma, Arial;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
    font-size: 100%;
}

address,
caption,
cite,
code,
dfn,
em,
th,
var {
    font-style: normal;
    font-weight: normal;
}

a {
    color: #555;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

img {
    border: none;
}

ol,
ul,
li {
    list-style: none;
}

table {
    border-collapse: collapse;
}

html {
    overflow-y: scroll;
}

i {
    font-style: normal;
}

* {
    box-sizing: border-box;
}

button,
input {
    outline: none;
    border: none;
}


.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    *zoom: 1;
}

/*公共类*/
.fl {
    float: left
}

.fr {
    float: right
}

.al {
    text-align: left
}

.ac {
    text-align: center
}

.ar {
    text-align: right
}

.hide {
    display: none;
}

.on {
    display: block !important;
}

.video_code {
    width: 100%;
    text-align: center;
}

.video_code iframe {
    width: 100%;
    min-height: 2rem;
}

video {
    width: 100%;
    border: 0px;
}

audio {
    width: 100%;
    border: 0px;
}