.banner {
    width: 100%;
    background: url("../img/aboutus_two_01.jpg") no-repeat top center;
    height: 500px;
    overflow: hidden;
    position: relative;
}

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

.banner_p {
    font-size: 30px;
    color: #fff;
    margin-top: 16%;
}
.advantage_li_p{
    font-size: 14px;
}

.banner_p2 {
    font-size: 30px;
    color: #fff;
    margin-left: 120px;
}

.solution_two {
    width: 100%;
    background: url("../img/aboutus_two_02.jpg") no-repeat top center;
    height: 675px;
    overflow: hidden;
    position: relative;
}

.solution_two_div {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    text-align: center;
    line-height: 60px;
    font-size: 30px;
    color: #222222;
}

.solution_two_div_p {
    margin-top: 60px;
}

.solution_two_div_p2 {
    color: #2094e6;
}

.solution_three {
    width: 100%;
    height: 570px;
    background: url("../img/aboutus_three_02.jpg") no-repeat top center;
    position: relative;
}

.solution_three_div {
    position: absolute;
    left: 50%;
    margin-left: -600px;
    top: -60px;
    width: 1200px;
    height: 140px;
    overflow: hidden;
    text-align: center;
    font-size: 30px;
    background: #2299ee;
    color: #fff;
    line-height: 140px;
}

.solution_three_divd {
    margin: 45px auto 0;
    height: 4px;
    width: 88px;
    background: #ffe400;

}

.solution_three_divdp {
    margin-top: -30px;
}

.step {
    width: 100%;
    background: #fff;
    position: relative;
    overflow: hidden;
    padding: 80px 0 90px 0;
}

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

.step_ul {
    width: 100%;
    overflow: hidden;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
}

.step_li {
    width: 100%;
    padding: 30px 0 30px 0;
    background: #f6f6f6;
    margin-bottom: 20px;
}

.step_li2 {
    width: 100%;
    padding: 20px 0 20px 0;
    background: #fff;
}

.step_li_h4 {
    font-size: 24px;
    margin-left: 30px;
    padding-bottom: 10px;
}

.step_li_span a {
    color: #2094e6;
    margin-left: 10px;
}

.step_li_p {
    margin-left: 30px;
}



.advantage {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: #f6f6f6;
    padding: 70px 0 50px 0;
}

.advantage_div {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    font-size: 18px;
    color: #333333;
}

.advantage_h4 {
    font-size: 35px;
    color: #333333;
    text-align: center;
    font-weight: normal;
}

.advantage_p {
    margin-top: 20px;
    text-align: center;
}

.advantage_ul {
    overflow: hidden;
    position: relative;
    line-height: 30px;
    margin-top: 50px;
}

.advantage_li {
    width: 500px;
    float: left;
    margin-top: 40px;
}

.advantage_li2 {
    width: 500px;
    float: right;
    margin-top: 40px;
}

.advantage_li_h4 {
        font-size: 24px;
    color: #2094e6;
    font-weight: normal;
}

.advantage_li_img {
    margin: 10px 0 10px 0;
    display: block;
}

.advantage_li_img2{
 margin: 20px 0 20px 0;
    display: block;
}

.advantage_li_img3{
        padding: 25px 0 28px 0;
}