.lb1-nav{
    width: 100%;
    height: 250px;
    background: url("../image/banner1.png") no-repeat center;
}
.lb1-nav-cnt{
    position: relative;
    width: 1200px;
    height: 332px;
    margin: 0 auto;
}
.in1{
    width: 183px;
    height: 35px;
}
.b1{
    height: 35px;
}
.CH{
    position: absolute;
    top: 60px;
    right: 0;
    display: none;
}
.chinese{
    float: left;
    width: 80px;
    height: 34px;
    padding: 3px 0 0 8px;
    box-sizing: border-box;
    background: rgba(255,255,255,0.8);
    margin-right: 5px;
}
.english{
    float: left;
    width: 80px;
    height: 34px;
    padding: 3px 0 0 8px;
    box-sizing: border-box;
    background: rgba(255,255,255,0.8);
}
.ss{
    position: absolute;
    right: 0;
    bottom: 9px;
    width: 250px;
    height: 35px;
    background: #1c86e3;
  display:none;
}
.lb1-banner{
    width: 100%;
    height: 48px;
    background: #1c86e3;
}
.lb1-banner-cnt{
    position: relative;
    width: 1200px;
    height: 48px;
    margin: 0 auto;
}
.l1{
    float: left;
    width: 170px;
    height: 48px;
    padding-top: 11px;
    box-sizing: border-box;
    background: #1c86e3;
    text-align: center;
    cursor: pointer;
}
.l1:hover{
    background: #f79600 ;
}
.l1 a{
    font:bold 16px 'Microsoft Yahei';
    color: #ffffff;
}
.u2{
    display: none;
    margin-top: 16px;
    width: 170px;
    background:#fafafa ;
    z-index:999999999999999999999999999999;
}
.l2{
    width: 170px;
    height: 42px;
    padding: 0;
    padding-top: 10px;
    box-sizing: border-box;
    font: 14px 'Microsoft Yahei';
    color: #666666;
    z-index:99999999999999999999;
}
.l2:hover{
    background: #1c86e3;
    color: #ffffff;
    z-index:99999999999999999999;
}
.lb1-nav-cnt1{
    display: none;
}
.lb1-banner2{
    display: none;
}
.lb1-banner3{
    display: none;
}
#lbn1{
    display: none;
}
@media only screen and (max-device-width: 768px){
    .lb1-nav{
        width: 100%;
        background: url("../image/banner1.png") no-repeat center ;
        background-position: -300px 0px;
    }
    .lb1-banner{
        display: none;
    }
    .lb1-nav-cnt{
        display: none;
    }
    .lb1-nav-cnt1{
        display: block;
    }
    .lb1-nav-cnt1{
        position: absolute;
        bottom: 45px;
        right: 45px;
    }
    .lb-n1{
        width: 80px;
        height: 80px;
        display: inline-block;
        background: rgba(255,255,255,0.7);
        vertical-align: middle;
        text-align: center;
        padding-top: 18px;
        box-sizing: border-box;
    }
    .lb1-banner2{
        width: 100%;
        height: 155px;
        background: #e6e6e6;
        padding: 40px 0 0 45px;
        box-sizing: border-box;

    }
    .lb1-banner2 input{
        width: 748px;
        height: 73px;
        border: none;
        vertical-align: middle;
        font: 28px 'Microsoft Yahei';
    }
    .lb1-banner2 button{
        width: 127px;
        height: 73px;
        background: #1b87e4;
        border: none;
        font: 28px 'Microsoft Yahei';
        color: #ffffff;
        vertical-align: middle;
    }
    .lb1-banner3{
        width: 100%;
        height: 155px;
        background: #e6e6e6;
        padding-top: 40px;
        box-sizing: border-box;
        text-align: center;
    }
    .lb1-banner3 button{
        width: 325px;
        height: 70px;
        background: #ffffff;
        border: none;
        margin-right: 15px;
        font: 28px 'Microsoft Yahei';
        color: #1b87e4;
    }
}