body {
   background-color:white;
}
.row {
   margin:0;
}
.breadcrumb {
    background-color:rgb(255,255,255);
}
/*导航*/
.title {
    text-align:center;
}
    .title div {
        font-family:"Microsoft YaHei" , Arial, Helvetica, sans-serif;
        color:rgb(45,45,45);
        font-size:29px;
        font-weight:bold;
    }
    .title div:last-child {
          font-family:"Microsoft YaHei" , Arial, Helvetica, sans-serif;
        color:rgb(45,45,45);
        font-size:16px;
        font-weight:bold;
    }
.center {
     font-family:"Microsoft YaHei" , Arial, Helvetica, sans-serif;
        color:rgb(45,45,45);
        font-size:16px;
        margin-bottom:5%;
        margin-top:3%;
        text-indent:2em;
        line-height: 2em;
}
.center div {
   text-indent:2em;
   font-weight:lighter;
   line-height: 2em;
}


.bottom {
    margin-bottom:15%;
}
.bottom_left img {
   width:100%;
}
.bottom_left, .bottom_right {
    padding:0;
}

@media screen and (max-wdith:767px)
{
    
}