.nav_one{
    width: 100%;
    height: 70px;
    background: rgba(34,34,34,.5);
    position:fixed;
    top: 0px;
 
}
.nav{
    width: 1200px;
    height: 70px;
    margin: 0 auto;
}
.header{
    width: 100%;
    height: 350px;
    position: relative;
}
.logo{
    width: 81px;
    height: 31px;
    float: left;
    margin-top: 15px;
}
.backgund{
    width: 100%;
    height: 100%;
}
.screah{
    width: 396px;
    height: 50px; 
    text-align: center; 
    margin-left: 220px;
    display: inline-block;
    margin-top: 10px;
}
.screah input{
    width: 303px;
    height: 44px;
    border: 1px #969696 solid;
    border-right: none;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
    opacity: 0.3;
    color: aliceblue;
}
.screah_right{
    width: 88px;
    height: 48px;
    background-color: rgb(194, 59, 86);
    float: right;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    line-height: 48px;
}
.screah_right .iconfont{
    float: left;
    font-size: 20px;
    color: whitesmoke;
    margin-left: 10px;
}
.screah_right .iconfont_v{
   font-size: 16px;
   width: 41px;
   height: 27px;
   margin-left: -20px;
   color: whitesmoke;
}
.nav_r ul{
    width: 271px;
    height: 50px;
    float: right;
    
}
.nav_r{
    width: 275px;
    height: 52px;
    float: right;
    margin-top: 15px;
}
.nav_r ul li{
    float: left;
    margin: 0px 10px 0px 10px;
    text-align: center;

}
.nav_r_r div{
    background: mediumvioletred;
    color: mintcream;
    width: 84px;
    height: 42px;
    line-height: 42px;
    border-radius: 20px;
}
.nav_r_l, .nav_r_c{
    font-size: 15px;
    color: white;
}
.nav_r_l div, .nav_r_c div{
    font-size: 20px;
}
.top_nav{
    width: 1126px;
    height: 45px;
    background-color: white;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 20px;
    
}
.top_nav ul li{
    float: left;
    background-color: #fbfbfb;
    width: 92px;
    height: 45px;
    line-height: 45px;
    border-radius: 20px;
    text-align: center;
    margin-left: 42px;
    color: black;
    font-size: 15px;
    font-weight: bolder;
}
.cbody{
    width: 1126px;
    height: 805px;
    background-color: rgb(252, 249, 245);
    margin: 0 auto;
}
.cbody_left{
    width: 710px;
    height: 805px;
    background-color: white;
    float: left;
}
.cbody_right{
    width: 416px;
    height: 805px;
    background-color: white;
    float: right;
}
.cbody_top{
    width: 710px;
    height: 43px;
   
}
.cbody_top_one{
    width: 200px;
    height: 43px;
    background: white;
    line-height: 42px;
    display: inline-block;
 
}
.cbody_top_one h2{
    font-size: 24px;
    font-weight: bolder;
    color: #111;
    display: inline-block;
}
.cbody_top_one span{
    float: right;
    color: rgb(85, 79, 79);;
    font-size: 12px;
}
.cbody_top_two{
    width: 112px;
    height: 43px;
    background: white;
    float: right;
    line-height: 43px;
    font-size: 12px;
    color: #969696;
}
.cbody_top_two span{
    margin: 0px 10px 0px 10px;
}
.cbody_bottom{
    width: 710px;
    height: 738px;
    background-color: white;
}
.cbody_bottom_img{
    width: 160px;
    height: 323px;
    background-color: white;
    float: left;
    margin-right: 17px;
}
.cbody_bottom_img img{
    width: 160px;
    height: 263px;
    float: left;
}
.cbody_bottom_img p{
    font-size: 15px;
    font-weight: bolder;
}
.cbody_bottom_img i{
    color: #969696;
    font-size: 13px;
}
.cbody_bright{
    width: 416px;
    height: 790px;
    background: white;
    
}
.cbody_brighta{
    width: 383px;
    height: 69px;
    background:#f5f5f5;
    border-bottom: 1px #d4d0d0 solid;

}
.cbody_brighta h3{
    width: 35px;
    height: 69px;
    font-size: 28.6px;
    float: left;
    text-align: center;
    line-height: 69px;
    margin: 0px 10px 0px 10px;

}
.cbody_brighta img{
    float: right;
    width: 18px;
    height: 18px;
    margin-top: 20px;

}
.cbody_brighta div{
    display: inline-block;
   
}
.cbody_brighta_b{
    width: 195px;
    height: 40px;
    line-height: 40px;
   
}
.cbody_brighta_b p{
    font-size: 13px;
    color: silver;
}