html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  font-size: 100px;
}
body {
  line-height: 1.5;
  font-size: 100px;

  -webkit-font-smoothing: antialiased;
}


html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
  margin: 0;
  padding: 0;
}
button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
  padding: 0;
  border: 0;
  background: 0;
}
button:focus,
input:focus,
optgroup:focus,
select:focus,
textarea:focus {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}
textarea {
  resize: none;
}
img {
  border: 0;
  vertical-align: bottom;
}
a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}
a,a:hover,a:active,a:visited,a:link,a:focus{
  -webkit-tap-highlight-color:rgba(0,0,0,0);
  -webkit-tap-highlight-color: transparent;
  outline:none;
  background: none;
  text-decoration: none;
}
ul,
li {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-variant: normal;
}

.clear:after{ content:"";
    height:0;
    overflow:hidden; 
    visibility:hidden;
    display:block;
    clear:both;
}
main{
    width: 3.75rem;
    overflow: hidden;
}
header{
    width: 3.75rem;
    height: 0.42rem;
    font-size: 0;
    box-shadow:.00rem .03rem .06rem rgba(0,0,0,0.1);
    position: relative;
    left: 0;
    top: 0;
}
header>div{
    float: left;
}
header>div:nth-child(1){
    margin-top: 0.14rem;
    margin-left: 0.15rem;
}
header>div:nth-child(1) div{
    margin-top: 0.04rem;
    height: 0.02rem;
    width: 0.16rem;
    background: #303133;
    border-radius: 0.01rem;
}
header>div:nth-child(2){
    margin-top: 0.1rem;
    margin-left: 0.84rem;
    width:1.40rem ;
    height: .22rem;
}
header>div:nth-child(2) img{
    width: 100%;
    height: 100%;
}
header>div:nth-child(3){
    width: 0.22rem;
    height: 0.22rem;
    border-radius: 50%;
}
header>div:nth-child(3) img{
    margin-top: 0.1rem;
    margin-left: 0.79rem;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.warp{
  width: 3.75rem;
  overflow: hidden;
}
.mainNone{
    position: relative;
    width: 3.75rem;
}


.user{
    display: none;
    position: fixed;
    top: 0;
    z-index: 999;
    left: -2.15rem;
    width: 100%;
    height: 100%;
    overflow: auto;
}
.user_left{
    /* padding-top: 0.2rem; */
    width: 2.15rem;
    height: 100%;
    background: #303332;
    font-size: 0.16rem;
    color: #999999;
}
.userData{
    padding-top: 0.2rem;
    margin-bottom: 0.23rem;
    margin-left: 0.2rem;
}
.userData>div{
    float: left;
}
.userData_img{
    width: .40rem;
    height: .40rem;
    border-radius: 50%;
}
.userData_img img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.userData_name{
    line-height: 0.4rem;
    margin-left: 0.1rem;
    color: #fff;
}
.userHome{
    height: 0.6rem;
    line-height: 0.6rem;
    background: #252726;
}
.userHome a{
    color: #409EFF;
    margin-left: 0.2rem;
}
.courseSort{
    line-height: 0.6rem;
    padding-left: 0.2rem;
    border-bottom:1px solid #3B3D3C ;
}
.courseSort span{
    position: relative;
    top: 0.25rem;
    left: 0.14rem;
    width: 0.06rem;
    height: 0.12rem;
    font-size: 0;
}
.courseSort span>img{
    position: absolute;
  width: 0.06rem;
  height: 0.12rem;
}

.courseList{
    line-height: 0.6rem;
    padding-left: 0.2rem;
    text-indent: 2em;
    background: #252726;
    display: none;
    border-bottom:1px solid #3B3D3C ;

}
.courseSort1{
    line-height: 0.6rem;
    padding-left: 0.2rem;
    border-bottom:1px solid #3B3D3C ;
}
.courseSort1 span{
    position: relative;
    top: 0.25rem;
    left: 0.14rem;
    width: 0.06rem;
    height: 0.12rem;
    font-size: 0;
}
.courseSort1 span>img{
    position: absolute;
  width: 0.06rem;
  height: 0.12rem;
}
.courseList1{
     line-height: 0.6rem;
    padding-left: 0.2rem;
    text-indent: 2em;
    background: #252726;
    display: none;
    border-bottom:1px solid #3B3D3C ;
}
.courseSort2{
    background: #303332;
    line-height: 0.6rem;
    padding-left: 0.2rem;
}
.courseSort2 a{
    color: #999999;
}
.user_right{
    position: absolute;
    top: 0;
    right: 0;
    width: 1.6rem;
    height: 100%;
    background: rgba(0,0,0,0);
    z-index: 999;
}
.signOut{
    position: absolute;
    display: none;
    bottom: 0.2rem;
    left: 0.2rem;
}