.bg{width:100%;

    margin: 88px auto auto auto;

    overflow: hidden;


}

.bg img{width: 100%;}

.pslist{width: 100%;

       margin: auto auto auto auto;

       overflow: hidden;

}

.pslistli{width: 1200px;

          margin: 60px auto 40px auto;

          overflow: hidden;

}

.hdcase{width: 1200px;

    margin: auto auto auto auto;

    overflow: hidden;

}

.hdcase ul{width: 1200px;

        margin: 0px 0px 0px 0px;

        padding: 0px;

        list-style: none;

        height: 88px;

        border-radius: 15px;

        background-color: #f5f5f5;

}

.hdcase ul li{height: 88px;

        float: left;

        margin: auto auto auto auto;

        color: #000000;

        cursor: pointer;

        width: 200px;

        box-sizing: border-box;

        font-size: 22px;

        padding-top: 30px;

        border-radius: 15px;

}

.hdcase ul .on{color: #ffffff;

           background-color: #3f86e7;

}


.bdcase{width: 1200px;

        margin: auto auto auto auto;

        overflow: hidden;

        padding-top: 70px;

}

.bdcase ul{width: 1200px;

            margin: 0px 0px 0px 0px;

            padding: 0px;

            list-style: none;

}

.bdcase ul li{width: 1200px;

            margin: auto auto auto auto;

            overflow: hidden;
}

.pstitle{width: 1200px;

         margin: auto auto auto auto;

         overflow: hidden;

}

.pstitles{width: 1200px;

        margin: 60px auto auto auto;

        overflow: hidden;

}

.psdowm{width: 1200px;

        margin: 60px auto auto auto;

        overflow: hidden;

}

.plist{width: 282px;

       height: 282px;

       margin: auto 9px 25px 9px;

       overflow: hidden;

       float: left;

       background-image: url('../image/plist.png');

       background-repeat: no-repeat;

       background-position: center center;

       background-size: 282px 282px;

}

.plleft{width: 82px;

        height: 282px;

        margin: auto auto auto auto;

        overflow: hidden;

        float: left;

        color: #ffffff;

}

.plleft p:nth-child(1){font-size: 14px; margin: 110px auto auto auto;}

.plleft p:nth-child(2){font-size: 36px; margin: auto auto auto auto;}

.plright{width: 200px;

        height: 282px;

        margin: auto auto auto auto;

        overflow: hidden;

        float: left;

}

.plrimg{width: 130px;

        margin: 30px 35px auto 35px;

        overflow: hidden;

        text-align: right;

}

.plrtitle{width: 160px;

          margin: 10px 20px auto 20px;

          overflow: hidden;

          font-size: 22px;

          color: #000000;

          text-align: left;

}

.plrtext{width: 160px;

        margin: 10px 20px auto 20px;

        overflow: hidden;

        font-size: 16px;

        line-height: 28px;

        color: #000000;

        text-align: left;

}