.banner{
        background-image: url(../img/banner_app.png);
        background-size: 100% 100%;
    }
    .expliot {
        background: #f7f7f7;
        display: block;
    }

    .expliot1 {
        background-image: url(../img/bg_blue.png);
        background-size: 100% 100%;
    }

    .expliot2 {
        background-image: url(../img/bg_green.png);
        background-size: 100% 100%;
    }

    .expliot3 {
        background-image: url(../img/bg_red.png);
        background-size: 100% 100%;
    }

    .expliot1,
    .expliot2,
    .expliot3 {
        display: flex;
        margin-top: 3%;
    }
    .expliot3 {
        position: relative;
    }

    .expliot1 i,
    .expliot3 i {
        font-size: 50px;
        color: #fff;
        margin-left: 10px;
        margin-top: 20px;
    }

    .expliot2 i {
        font-size: 50px;
        color: #fff;
        margin-right: 10px;
        margin-top: 20px;
    }

    .expliotp {
        display: block;
        color: #fff;
        text-align: left;
        margin-left: 2%;
        padding: 2% 4%;
    }

    .expliotp p:first-child {
        font-weight: 600;
        font-size: 15px;
        line-height: 25px;
    }

    .expliotp p:last-child {
        font-size: 12px;
        line-height: 20px;
    }

    /* 客户案例 轮播图样式 */
    .case {
        background: #fff;
    }
    .case-img-box{
	   	height: 210px;
		width:100%;
		overflow: hidden;
		display: flex;
	    justify-content: center;
	    align-content: center;
	    align-items: center;
   }
	.case .case-img-box img{
	    width: auto;
	    height: 100%;
	}
}