html,body{ 
    width: 100%;
    height: auto; 
    background: url(../images/img_BG.png) no-repeat;
    background-size: cover;
    min-width: 1900px;
}
.app{  
 width: 1200px;
 height: auto;
 margin: 0 auto;
}
.logo{
    padding: 50px 0;
}
.logo a{
    margin-right: 20px;
}
h1{
    color: #34d08a;
    font-size: 80px;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 470px;
}
.con1,.con2,.con3,.con4{
    margin-top: 185px;
}
.con1 .text{
    width: 100%;
    height: 615px;
    background: url(../images/index1_10.png) no-repeat;
    background-size: 100%;
    position: relative;
}
h3{
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    background: url(../images/index1_16.png) no-repeat;
    background-size: auto;
    line-height: 63px;
    background-position: center;
    margin-bottom: 50px;
}
.con1 .text div{ 
    position: absolute;
    line-height: 26px;
}
.con1 .text div h5{
    font-size: 20px;
}
.con2 .text{
    width: 100%;
    height: 425px;
    background: url(../images/index1_13.png) no-repeat;
    background-size: 100%;
    position: relative;
}
.con2 .text div{
    width: 335px;
    position: absolute;
    box-sizing: border-box;
    padding: 50px;
}
.con2 .text .title{
    color: #25b85f;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 176px;
}

.con3 .text{
    width: 100%;   
    display: flex;
    flex-wrap: wrap;
}
.con3 .text div{
    width: 50%; 
    box-sizing: border-box; 
    height: 150px;
    padding: 20px;
    padding-right: 50px;
    line-height: 26px;
}
.con3 .text .title{
    background: url(../images/index1_20.png) no-repeat;
    background-size: auto;
    color: #fff;
    font-size: 20px;
    font-weight: 700;  
    line-height: 38px;
    padding-bottom: 10px;
    padding-left: 10px;
}

.con4 .text{
    border: 6px solid #25b85f;
    padding: 30px;
    border-radius: 16px;
    background-color: #fff;
 }
 .con4 .text .ti{
    line-height: 28px;
    margin-bottom: 20px;
 }

 .con4 .text .title{
    background: url(../images/index1_24.png) no-repeat;
    background-size: auto;
    color: #fff;
    font-size: 18px;
    font-weight: 700;  
    line-height: 28px;
    padding-bottom: 10px;
    padding-left: 10px;
}