.top-nav {
    height: 50px;
    margin-bottom: 525px;
}
.top-nav span{
    width: 100px;
     height: 45px;
     line-height: 45px;
     background-color: red;
     float: right;
     text-align: center;
 }
 .top-nav span a{
     color: #ffffff;
     font-size: 18px;
 }
 .top-by {
    background: url(01_03.png) top center no-repeat;
    background-size: 100% 100%;
    height: auto;
    margin: 0 auto;
}
 .top-by1 {
    background:#FAFAF9;
    background-size: 100% 100%;
    height: auto;
    margin: 0 auto;
}
.top-by1{
    width: 100%;
    margin: 0 auto;
    background: url(bj1002.png) no-repeat;

    
}
.top-by11{
    width: 75%;
    /*height: 205PX;*/
    text-align: center;
    margin: 0 auto;
}
.top-by11 h1{
    width: 100%;
    padding-top: 70px;
    height: 74PX;
    font-size: 25px;
    line-height: 44px;
    color: #333333;
    font-weight: 900;
}
.top-by11 h2{
    color:#333;
    margin-top:20px;
    font-size: 18px;
}

.top-by11 p{
    width: 100%;
    height: 45PX;
    font-size: 16px;
    line-height: 44px;
    color: #333333;
    /* font-weight: 900;  */
}
.top-by2{
    width: 84%;
    margin: 0 auto;
    height: auto;
    text-align: center;
    border-top: 2px solid #ccc;
    padding-top: 35px;
    min-width: 500px;
    padding-bottom:20px;
}
.top-by2 p{
    width: 100%;
    height: auto;
    margin: 15px 0;
    font-size: 16px;
    font-family: "宋体" !important;
    line-height: 30px;
    color: #333333;
    white-space: normal;
    word-break: break-all;
    text-indent: 2em;
    /* font-weight: 900;  */
}


.footer{
    height: 156px;
    width: 100%;
    background: #f5f5f5;
    margin-top: 50px;
    border-top: 3px solid red;
    text-align: center;
}
.footer p{
    font-size: 14px;
    color: #333333;
    line-height: 30px;
}