.banner{
    /* padding-top: 120px; */
    padding-bottom: 20px;
    /* background-color: red; */
}
.banner-box{
    height: 1000px;
    width: 100%;
    margin: 0 auto;
    /* background-color: orange; */
}
.swiper{
    /* max-width: 1300px; */
    height: 1000px;
    width: 100%;
    border-radius: 8px;
    position: relative;
}
.swiper a{
    display: block;
    /* max-width: 1300px; */
    height: 100%;
    width: 100%;
    background: url(../img/sw-1.jpg) no-repeat center center;
    background-size: cover;
    /* border-radius: 8px; */
    transition-duration: 500ms;
}
.circle-list{
    position: absolute;
    left: 50%;
    bottom: 35px;
}
.circle-list li{
    cursor: pointer;
    float: left;
    width: 8px;
    height: 8px;
    margin-left: 8px;
    border-radius: 50%;
    background-color: #39364D;
    transition-duration: 500ms;
}
.circle-list li.current{
    width: 30px;
    border-radius: 4px;
}

.swiper .arrow {
    position: absolute;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, .5);
}

.swiper .arrow:hover {
    background-color: rgba(0, 0, 0, .1);
}

.arrow .iconfont {
    font-size: 30px;
    font-weight: 700;
}

.arrow-l {
    left: 20px;
    top: 50%;
}

.arrow-r {
    right: 20px;
    top: 50%;
}

@media only screen and (max-width: 600px) {

    .banner{
        padding-top: 80px;
        padding-bottom: 20px;
        /* background-color: red; */
    }

    .banner-box{
        min-height: 250px;
        height: auto;
        width: 100%;
        margin: 0 auto;
        /* background-color: orange; */
    }

    .swiper{
        /* max-width: 1300px; */
        min-height: 250px;
        height: auto;
        width: 100%;
        border-radius: 8px;
        position: relative;
    }
    .swiper a{
        display: block;
        min-height: 250px;
        height: auto;
        width: 100%;
        margin: auto;
        /* margin-left: -15%; */
        background: url(../img/sw-1.jpg) no-repeat center center;
        background-size: cover;
        /* border-radius: 8px; */
        transition-duration: 500ms;
    }

    .arrow-l img{
        width: 15px;
        left: 20px;
        top: 50%;
    }
    
    .arrow-r img{
        width: 15px;
        right: 20px;
        top: 50%;
    }
}