/*banner*/
.banner {
    width: 100%;
    background: url("../img/commonproblem_01.jpg") no-repeat top center;
    background-size: 100% 100%;
    height: 500px;
    overflow: hidden;
    position: relative;
}

.banner_div {
    width: 1200px;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}

.banner_divdiv {
     margin-top: 19%;
}

.banner_h4 {

    font-size: 23.48px;
    color: #8d9ece;
    float: left;
    margin-right: 10px;
}

.banner_span {
    font-size: 19.57px;
    color: #8d9ece;
    float: left;
    margin-top: 2px;
}

.banner_p {
    font-size: 30px;
    color: #fff;
    margin-top: 10px;
}
.banner_p span{
    opacity: 0;
}

.content {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 60px 0 130px 0;
    background: #fff;
}

.section {
    width: 1200px;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
}

.section_h4 {
    text-align: center;
    font-size: 35px;
    color: #333;
    font-weight: normal;
    padding-bottom: 50px;
}

.section_div {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.section_ul {
    width: 100%;
    border-bottom: 1px solid #e9e9e9;
    overflow: hidden;
}
.section_ul2{
    width: 100%;
    overflow: hidden;
}

.section_li {
       padding: 96px 64px 99px 0;
    overflow: hidden;
    float: left;
    position: relative;
    font-size: 20px;

    border-right: 1px solid #e9e9e9;
}

.section_li_img {
    display: block;
    margin: 0 auto 16px;
}

.section_li2 {
       float: left;
    padding: 80px 0 91px 0;
    width: 418px;
    overflow: hidden;
    position: relative;
    border-right: 1px solid #e9e9e9;
}

.section_li2_img {
    display: block;
    float: left;
    margin-left: 55px;    width: 120px;
}

.section_li2_div {
    float: left;
    margin-left: 18px;
    font-size: 15px;
    color: #333333;
    line-height: 34px;

}

.section_li3 {
     padding: 88px 64px 76px 64px;
    overflow: hidden;
    position: relative;
    float: left;
    border-right: 1px solid #e9e9e9;
    font-size: 20px;
}

.section_li_p {
    color: #54a0f5;
}

.section_li_p2 {
    color: #00bfa5;
}
.section_li_p3{
    color: #f67814;
}
.section_li_p4{
    color: #ff5c5c;
}

.section_li4 {
    float: left;
    padding: 78px 0 68px 0;
    overflow: hidden;
    position: relative;
}

.section_li5{
      padding-right: 84px;
}
.section_li_pp{
    padding-bottom: 66px;
}