.main_section1 {
    height: 620px;
    background: #fff url('../images/insplus_structure.jpg')center bottom 10px/auto 90% no-repeat;
    
    border: solid 1px #ddd;
}

    .main_section1 .title {
        text-align: left;
        font-size: 48px;
        font-weight: bold;
        margin: 20px 60px;
    }

.main_section2 {
    height: 600px;
    background: #fff url('../images/probes.jpg')left bottom/auto 80% no-repeat;
    
    border: solid 1px #ddd;
}

    .main_section2 .title1 {
        text-align: left;
        font-size: 48px;
        font-weight: bold;
        margin: 20px 60px;
    }

    .main_section2 .title2 {
        text-align: left;
        font-size: 20px;
        font-weight: bold;
        margin: 20px 60px;
    }

    .main_section2 .feature {
        float: right;
        margin-top: -120px;
        margin-right: 30px;
    }

        .main_section2 .feature .item {
            box-sizing: border-box;
            background-color: #1e70ac;
            border-radius: 15px;
            color: #fff;
            font-size: 25px;
            padding: 8px 20px;
            margin-top: 10px;
            text-align: center;
            font-weight: bold;
            margin-right: 20px;
        }

    .main_section2 .feature1 .item:after {
        content: 'sonde';
        color: #f08d3a;
    }

    .main_section2 .feature2 .item {
        width: 200px;
        height: 68.5px;
        font-size: 18px;
        line-height:26px;
    }

    .main_section2 .feature2 .item1, .main_section2 .feature2 .item2, .main_section2 .feature2 .item3, .main_section2 .feature2 .item4 {
        line-height: 50px;
    }

.main_section3 {
    height: 810px;
    background: #fff;
}

    .main_section3 .soft {
        box-sizing: border-box;
        width: 50%;
        float: left;
        padding: 30px;
        text-align: center;
        padding-bottom: 0px;
    }

        .main_section3 .soft img {
            width: 75%;
            height: 300px;
            margin: auto;
        }

        .main_section3 .soft .title {
            color: #666;
            font-size: 25px;
            font-weight: bold;
            margin: 20px;
            margin-top: 0px;
        }

.main_section_feature {
    position:relative;
    overflow:hidden;
}
.main_section_feature .title{
    background:#1e70ac;
}
.main_section_feature .title img{
    position:absolute;
    top:33px;
    left:80px;
    height:80px;
}
.main_section_feature .title .titletext{
    color:#fff;
    font-size: 36px;
    font-weight: bold;
    margin-left:200px;
    padding:30px;
    letter-spacing:3px;
}
.main_section_feature .info{
    font-size: 25px;
    line-height:40px;
    text-align:justify;
    padding:30px 50px 30px 200px;
}
.banner2{
    display:none;
}