html,body{  
    width: 100%;
    min-width: 1400px;
	background-color: #920012;
}
.app{ 
    width: 100%;
    background-color: #920012;
    padding-bottom: 70px;
}
.top_img{
    width: 100%;
}
.top_img img{
    width: 100%;
}
.nav{
    display: flex;
    justify-content: center;
    padding-bottom: 55px;
    height: 53px;
    padding-top: 30px;
}
.nav a{
    width: 226px;
    height: 53px;
    font-size:24px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #FFFFFF; 
    line-height: 53px;
    text-align: center;
    background: url(../images/nav_img.png) no-repeat;
    margin: 0 10px;
}
.bj_con{
    background: url(../images/dy.png) no-repeat;
    width: 1200px;
    height: 1218px;
    margin: 0 auto;
    padding: 70px 50px;
    box-sizing: border-box;
}
.con_text{
    font-size: 20px;
font-family: Source Han Sans CN;
font-weight: 400;
line-height: 40px;
color: #970012;
text-indent: 2em;
}
.red {
	color: #FF0000;
	font-weight: bold;
}
.con_text2{
    color: #E40520;
    font-size: 22px;
    font-weight: bold;
    margin: 6px 0;
	font-family:"΢ÈíÑźÚ";
	text-indent: 2em;
}
.con2{
    
    background: url(../images/sbjx.png) no-repeat;
    width: 1200px;
    height: 2180px;
    margin: 0 auto;
    padding: 70px 50px;
    padding-top: 200px;
    box-sizing: border-box;
    margin-top: 80px;
}
.asd{
    display: block;
    margin: 0 auto;
    width: 326px;
    height: 90px;
    margin-top: 26px;
}
.con3{
    background: url(../images/rclt.png) no-repeat;
    width: 1200px;
    height: 567px;
    margin: 0 auto;
    padding: 70px 50px;
    padding-top: 200px;
    box-sizing: border-box;
    margin-top: 180px;
}
.con4{
    background: url(../images/lxwm.png) no-repeat;
    width: 1200px;
    height: 408px;
    margin: 0 auto;
    padding: 70px 50px;
    padding-top: 200px;
    box-sizing: border-box;
    margin-top: 80px;
}