* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.banner,.banner_f{
    position: relative;
    overflow: hidden;
    width: 1080px;
    height: 335px;
    background-color: black;
}

li {
    list-style: none;
}

.banner ul ,.banner_f ul{
    position: absolute;
    top: 0;
    left: 0;
}

.banner ul li ,.banner_f ul li{
    float: left;
}

.banner ul li a img,.banner_f ul li a img {
    display: block;
    width: 1080px;
    height: 335px;
}



.banner .gd,.banner_f .gd {
    position: absolute;
    left: 50%;
    bottom: 20px;
    margin-left: -36.5px;
    display: flex;
    justify-content: space-around;
    width: 75px;
    height: 15px;
    border-radius: 8px;
    background-color: #ffffff4d;
}

.banner .gd i ,.banner_f .gd i{
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 2.5px;
    background-color: azure;
}

.current {
    background-color: #ff5000 !important;
    width: 15px !important;
    height: 9px !important;
    border-radius: 4.5px !important;
}