*{
    margin: 0;
    padding: 0;
}
body,
ul {
    margin: 0;
    padding: 0;
    font: normal 14px "微软雅黑";
    background-color: #eceef4;
}
.container {
    position: fixed;
    top: 0;
    z-index: 1;
    width: 100%;
}
.banner-bg {
    position: relative;
    height: 84px;
    padding-left: 18.75%;
    padding-right: 18.75%;
    background-color: white;
}
.logo-duochang {
    float: left;
    padding-top: 20px;
    padding-bottom: 20px;
}
.text-seller-center {
    float: left;
    margin-left: 3.125%;
    margin-top: 34px;
}

.sync-log {
    float: right;
    margin-top: 34px;
}

.content{
    width: 80%;
    position: relative;
    left: 50%;
    margin-left: -40%;
    top: 100px;
    margin-bottom: 60px;
    min-width: 600px;
}
.left-panel{
    width: 218px;
    position: absolute;
    left: 0;
    top: 0;
    background-color: #fff;
    padding: 20px 20px 20px 30px;
    list-style: none;
}
.left-panel .module{
    margin-bottom: 20px;
    list-style: none;

}
.left-panel .module .title{
    font-size: 18px;
    color: #2D2D2D;
    height: 34px;
    line-height: 34px;
}
.left-panel .module .item-list{
    font-size: 16px;
    padding-left: 20px;
    background-color: #fff;
    color: #4EA2FA;
}
.left-panel .module .item-list .item{
    line-height: 28px;
    background-color: #fff;
    list-style: disc;
}
.left-panel .module .item-list .item a{
    text-decoration: none;
    color: #4EA2FA;
}
.right-panel{
    margin-left: 278px;
    background-color: #fff;
    position: relative;
    min-height: 1008px;
}
.help-iframe{
    width: 100%;
}