#user_defined17 .technic{
    padding-bottom: 60px;
}
#user_defined17 .technic_title{
    height:150px;
    overflow: hidden;
}
@font-face {
    font-family: 'webfont_1';
    src: url('//at.alicdn.com/t/eh5ftan8az90y66r.eot');
    src: url('//at.alicdn.com/t/eh5ftan8az90y66r.eot?#iefix') format('embedded-opentype'),
    url('//at.alicdn.com/t/eh5ftan8az90y66r.woff') format('woff'),
    url('//at.alicdn.com/t/eh5ftan8az90y66r.ttf') format('truetype'),
    url('//at.alicdn.com/t/eh5ftan8az90y66r.svg#思源黑体-普通') format('svg');
}
#user_defined17 .technic_title h1{
    margin: 0;
    font-size: 30px;
    line-height: 36px;
    color: #ea2220;
    font-weight: normal;
    text-align: center;
    letter-spacing: 1px;
    margin-top:46px;
    font-family: "webfont_1";
}
#user_defined17 .technic_title h2{
    margin: 0;
    font-size: 18px;
    line-height: 24px;
    color: #f00;
    font-weight: normal;
    text-align: center;
    letter-spacing: 1px;
    font-family: "Allura";
}
#user_defined17 .technic_content{
    width: 1200px;
    margin: 0 auto;
}
#user_defined17 .technic_content img{
    margin-right: 10px;
    margin-bottom: 10px;
}
#user_defined17 .technic_content img:nth-child(2n){
    margin-right: 0;
}