@media (min-width: 999px) and (max-width:2800px) {
    .grey_lb_top {
        width: 100%;
        height: 500px;
        /* background: red; */
        display: flex;
        padding-bottom: 20px;
    }
    
    .grey_lb_bottom {
        width: 100%;
        height: 600px;
        /* background: pink; */
        display: flex;
        margin-bottom: 30px;
    }
    
    .grey_lb {
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
    }
    
    .v_out {
        /* width: 748px; */
        width: 100%;
        /* margin: 20px auto; */
        overflow: hidden;
    }
    
    .v_show {
        /* width: 665px; */
        width: 100%;
        overflow: hidden;
        position: relative;
        height: 500px;
        float: left
    }
    
    .v_cont {
        /* width: 6650px; */
        width: 100%;
        position: absolute;
        left: 0px;
        top: 0px;
    }
    
    .v_cont ul {
        width: 100%;
        float: left;
        text-align: center;
        line-height: 50px;
    }
    
    .v_cont ul li {
        /* width: 665px; */
        width: 100%;
        height: 500px;
        float: left;
        margin-top: 3px;
    }
    
    
    
    /*---圆圈---*/
    
    .v_out_p {
        position: relative;
        overflow: visible
    }
    
    .circle {
        position: absolute;
        /* right: -7%; */
        bottom: 3%;
        left: 65%;
    }
    
    .circle li {
        float: left;
        margin-left: 25px;
        color: #c5c5c8;
        line-height: 35px;
        text-align: center;
        /* margin-right: 10px; */
    }
    
    .circle .circle-cur {
        color: #444444;
        border-bottom: 2px solid #034fa5;
    }
    
    
    
    /*---切换---*/
    
    .prev,
    .next {
        float: left;
        /* padding: 105px 9px 0 */
    }
    
    
    
    .prev .ico_1 {
        background: url(input_a.gif) no-repeat 0 -3757px;
    }
    
    
    
    
    
    .next .ico_2 {
        background: url(input_a.gif) no-repeat right -3757px;
    }
    
    .prev,
    .prev a,
    .next,
    .next a {
        width: 21px;
        height: 28px;
        display: block
    }
    .cont_left{
        width: 40%;
        float: left;
    }
    .cont-right{
        width: 60%;
        float: right;
    }
    .cont-right img{
        width: 100%;
        height: 100%;
    }
    .cont_left h3{
        font-size: 24px;
        line-height: 35px;
        color: #034fa5;
        padding: 40px;
        text-align: left;
    }
    .padd_t402{
        line-height: 30px;
        font-size: 16px;
        color: #000;
        padding: 0 40px;
        text-align: left;
    }
    .padd_t401{
        color: #000 !important;
    }
    .padd_t61 a{
        font-size: 16px;
        color: #f66806;
        text-align: left;
        padding-left: 40px;
        display: block;
    }
    .ybl_erm{
        color: #034fa5;
        line-height: 30px;
        text-align: left;
        padding-left: 40px;
    }
}
@media (min-width: 320px) and (max-width:999px) {
    .grey_lb_top{
        height: auto;
    }
    .grey_lb_bottom {
        width: 100%;
        height: 600px;
        /* background: pink; */
        display: flex;
        margin-bottom: 30px;
    }
    
    .grey_lb {
        width: 100%;
        height: auto;
        display: flex;
        flex-direction: column;
    }
    
    .v_out {
        /* width: 748px; */
        width: 100%;
        /* margin: 20px auto; */
        overflow: hidden;
    }
    
    .v_show {
        /* width: 665px; */
        width: 100%;
        overflow: hidden;
        position: relative;
        height: 500px;
        float: left
    }
    
    .v_cont {
        /* width: 6650px; */
        width: 100%;
        position: absolute;
        left: 0px;
        top: 0px;
    }
    
    .v_cont ul {
        width: 100%;
        float: left;
        text-align: center;
        line-height: 50px;
    }
    
    .v_cont ul li {
        /* width: 665px; */
        width: 100%;
        height: 500px;
        float: left;
        margin-top: 3px;
    }
    
    
    
    /*---圆圈---*/
    
    .v_out_p {
        position: relative;
        overflow: visible
    }
    
    .circle {
        position: absolute;
        /* right: -7%; */
        bottom: 3%;
        left: 65%;
    }
    
    .circle li {
        float: left;
        margin-left: 25px;
        color: #c5c5c8;
        line-height: 35px;
        text-align: center;
        /* margin-right: 10px; */
    }
    
    .circle .circle-cur {
        color: #444444;
        border-bottom: 2px solid #034fa5;
    }
    
    
    
    /*---切换---*/
    
    .prev,
    .next {
        float: left;
        /* padding: 105px 9px 0 */
    }
    
    
    
    .prev .ico_1 {
        background: url(input_a.gif) no-repeat 0 -3757px;
    }
    
    
    
    
    
    .next .ico_2 {
        background: url(input_a.gif) no-repeat right -3757px;
    }
    
    .prev,
    .prev a,
    .next,
    .next a {
        width: 21px;
        height: 28px;
        display: block
    }
    .cont_left{
        width: 40%;
        float: left;
    }
    .cont-right{
        width: 60%;
        float: right;
    }
    .cont-right img{
        width: 100%;
        height: 100%;
    }
    .cont_left h3{
        font-size: 24px;
        line-height: 35px;
        color: #034fa5;
        padding: 40px;
        text-align: left;
    }
    .padd_t402{
        line-height: 30px;
        font-size: 16px;
        color: #000;
        padding: 0 40px;
        text-align: left;
    }
    .padd_t401{
        color: #000 !important;
    }
    .padd_t61 a{
        font-size: 16px;
        color: #f66806;
        text-align: left;
        padding-left: 40px;
        display: block;
    }
    .ybl_erm{
        color: #034fa5;
        line-height: 30px;
        text-align: left;
        padding-left: 40px;
    }
}