.banner{
    width: 100%;
    height:  28vw;
    background-color: #003B5B;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}.slide-list{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.slide-item{    
    width: 100%; height: 100%;
}
.slide-content img{
    height: 100%;
    width: 100%;
}
.slide-select{
    width: 100px; 
    position: absolute; 
    bottom: 0;
    padding: 0;
    display: flex;
    transform: translateY(-100%);
    justify-content: space-between;
    z-index: 1;
}
.slide-select::before{
    content: "";
    position: absolute;
    width: 100vw;
    height: 30px;
    bottom: -15px;
    left: 0;
    transform: translateX(calc(-50% + 50px));
    z-index: -1;
    background-color: #ffb800;
    display: flex;
    justify-content: center;
    align-items: center;
}

.slide-item-selected{
    width: 10px;
    height: 10px;
    border-radius: 100px;
    border: 1px solid #4684c4;
    background-color:  #4684c4;
    cursor: pointer;
}
.slide-item-selected.actived{
    background-color:  transparent;
}

@media (max-width: 768px) {
    .banner{
        height:  80vw;
    }
    .slide-select{
        bottom: 0;
        transform: translateY(-100%);
    }
}