@media only screen and (min-width: 600px) {
    .container{
        position: relative;
        /* width: 100vw; */
        height: 30vw;
        margin: 0 auto;
    }
    .imgs img{
        position: absolute;
        cursor: pointer;
        top: 0;
    }
    .imgs img{
        width: 100vw;
        height: 30vw;
    }
    .circle{
        height: 20px;
        position: absolute;
        bottom:10px;
        left: 90%;
        text-align: center;
        cursor: pointer;
    }
    .circle .b{
        display: inline-block;
        width: 12px;
        height: 12px;
        background-color: #f2f2f266;
        border-radius: 50%;
        margin: 3px;
    }
    .circle .current{
        background-color: #ffffffc9;
    }
    .btn{
        position: absolute;
        top: 38%;
        width: 50px;
        height: 100px;
        color: white;
        opacity: 0.3;
        text-align: center;
        line-height: 100px;
        font-size: 45px;
        cursor: pointer;
    }
    .btn:hover{
        background-color: rgba(255, 255, 255, .7);
    }
    .left{
        left: 0;
    }
    .right{
        right: 0;
    }
}
@media only screen and (max-width: 600px) {
    .container{
        position: relative;
        width: 100vw;
        height: 30vw;
        margin: 0 auto;
    }
    .imgs img{
        position: absolute;
        cursor: pointer;
        top: 0;
    }
    .imgs img{
        width: 100vw;
        height: 30vw;
    }
    .circle{
        width: 50px;
        height: 2px;
        position: absolute;
        bottom:20px;
        left: 44%;
        /* transform: translateX(50%,50%); */
        text-align: center;
        cursor: pointer;
    }
    .circle .b{
        display: inline-block;
        width: 10px;
        height: 10px;
        background-color: #f2f2f266;
        border-radius: 50%;
        margin: 3px;
    }
    .circle .current{
        background-color: #ffffffc9;
    }
    .btn{
        position: absolute;
        top: 36%;
        width: 20px;
        height: 40px;
        color: white;
        opacity: 0.5;
        text-align: center;
        line-height: 40px;
        font-size: 30px;
        cursor: pointer;
    }
    .btn:hover{
        background-color: rgba(255, 255, 255, .7);
    }
    .left{
        left: 0;
    }
    .right{
        right: 0;
    }

}