.usp_banner {
    background: url(../images/usproduct.jpg) center no-repeat;
    height: 304px;
}
/* 标题和线 */
.title-header{
    margin: 0 auto;
    width: 1200px;
}
.title{
    padding-top:52px;
    font-size: 34px;
    color: #595959
}
.title span{
    font-size: 30px;
    color: #727272
}
.blue-line{
    margin: 40px auto 0 auto;
    width: 100px;
    border-bottom: 2px solid #077ef2;
}
.gray-line{
    margin-bottom:24px;
    width: 1200px;
    border-bottom: 2px solid #eee;
}
.subheading{
    font-size: 18px;
    color: #8d8d8d;
}
/* 我们的产品 */
.t-content{
    margin:0 auto;
    width: 1138px;
    height: 675px;
    padding-top: 36px;
    font-size: 0;
}
.chunk{
    width: 376px;
    height: 490px;
    display: inline-block;
    vertical-align: middle;
    text-decoration:none;
    border:1px solid #bfbfbf;
    padding: 36px 26px 0 26px;
    font-size: 16px;
    transition: all 1s;
    margin:30px 0;
}
.chunk:hover{
    text-decoration:none;
}
.chunk img{
    width: 218px;
    height: 86px;
}
.chunk span{
    display: block;
    color: #333;
    line-height: 32px;
}
.us-tag{
    margin-top:28px;
    margin-bottom: 26px;
    width: 324px;
    height: 34px;
    line-height: 34px;
    border-radius: 17px;
    background: #077ef2;
    color: #ffffff;
    font-size: 19px;
}
.see-btn{
    margin:34px auto;
    width: 130px;
    height: 32px;
    line-height: 30px;
    border-radius: 16px;
    color: #9b9b9b;
    border: 1px solid #8d8d8d;
}
.see-btn:hover{
    /* margin:32px auto;
    width: 140px;
    height: 36px;
    line-height: 34px;
    border-radius: 18px; */
    font-size: 18px;
}
.chunk_365{
    border-right: none;
}
.chunk_car{
    border-left: none;
}
.chunk_pworkc{
    width: 380px;
    height: 550px;
    text-decoration:none;
    background: #077ef2;
    padding:40px 26px 0 26px;
    border:none;
    margin:0;
}
.chunk_pworkc span{
    color: #ffffff;
    line-height: 34px;
}
.chunk_pworkc .us-tag{
    margin-top:30px;
    margin-bottom: 32px;
    background: #ffffff;
    color: #0058a6;
}
.chunk_pworkc .see-btn{
    margin:40px auto;
    width: 158px;
    height: 40px;
    line-height: 38px;
    border-radius: 20px;
    border: 1px solid #ffffff;
    color: #ffffff;
}
.chunk_pworkc .see-btn:hover{
    margin:38px auto;
    width: 166px;
    height: 44px;
    line-height: 42px;
    border-radius: 22px;
}