.round {
    width: 690px;
    margin: 0 auto;
    height: 304px;
}
.round li {
    width:504px;
    height:304px;
    background: transparent;
    text-align: center;
    line-height: 300px;
    font-size: 50px;
}
.round li img {
    width: 100%;
    height: 100%;
}
.dot,.doot{
    width: 12px;
    height: 12px;
    display: inline-block;
    border-radius: 50%;
    background-color: gainsboro;
    margin: 0 10px;
    cursor: pointer;
}

.dotcontainer,.dotcontainer2{
    margin: 30px auto 0px;
    text-align: center;
    padding: 10px;
}
.dootTop{
    display:inline-block;
    margin-top: 20px;
}
.dot,.doot,.dot2,.doot2{
    width: 12px;
    height: 12px;
    display: inline-block;
    border-radius: 50%;
    background-color: gainsboro;
    margin: 0 10px;
    cursor: pointer;
    vertical-align: middle;
}
.aa,.aa2{
    position: relative;
    width: 634px;
    height: 265px;
    overflow: hidden;
    margin: 0 auto;
}
.aa li,.aa2 li{
    position: absolute;
    top:0;
    background: transparent;
}
.lunbo-right{
    text-align: center;
}
.active{
    width: 16px;
    height: 16px;
    background-color: #3698e0;
    vertical-align: bottom;
}
.round li {
    position: relative;
}
.mybtn {
    cursor: pointer;
    position: absolute;
    top: 4%;
    right: 4%;
    width: 20% !important;
    height: auto !important;
}
.round li img:nth-of-type(1) {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    right: 0;
}
.lunbo-right .aa .effectTime,.lunbo-right .aa2 .effectTime{
    position: absolute;
    color: #000;
    font-size: 14px;
    z-index: 100;
    top: 179px;
    left: 120px;
}