/* 头部 */

.construction_main .head {
    width: 100%;
    background: #00d1dd;
    position: relative;
}
.construction_main .head .pic_ad {
    position: absolute;
    top: 0px;
    right: 5%;
    width: 35%;
}
.construction_main .head .pic_ad img {
    width: 100%;
}
.construction_main .head .info {
    color: #fff;
    padding: 80px 20px 120px;
    position: relative;
}
.construction_main .head .info .title {
    font-size: 30px;
    font-weight: 900;
    position: relative;
}
.construction_main .head .info .title .text {
    font-size: 45px;
    color: #FFEB3B;
}
.construction_main .head .info .desc {
    padding: 30px 0;
    display: inline-block;
    color: #fff;
    position: relative;
    top: 0;
    font-size: 30px;
}
.construction_main .head .info .order_button {
    padding: 10px 0 0;
}
/* 优势 */
.construction_main .superiority {
    background: #fff;
    border-radius: 5px;
    height: 131px;
    box-shadow: 0px 6px 70px 1px rgba(0,0,0,.1);
    margin-top: -65px;
    position: relative;
    z-index: 3;
}
.construction_main .superiority .list {
    overflow: hidden;
}
.construction_main .superiority .list li {
    float: left;
    width: 25%;
    padding-top: 35px;
}
.construction_main .superiority .list li a {
    overflow: hidden;
    display: block;
}
.construction_main .superiority .list li .img {
    float: left;
    transition: all .2s;
    width: 51px;
    height: 59px;
    margin-left: 40px;
    background: url(../images/superiority.png) no-repeat;
}
.construction_main .superiority .list li .text {
    float: left;
    margin-left: 10%;
}
.construction_main .superiority .list li h3 {
    font-size: 18px;
    margin-bottom: 7px;
}
.construction_main .superiority .list li p {
    font-size: 14px;
    color: #95989d;
}
.construction_main .superiority .list li.item-1 .img {
    background-position: left top;
}
.construction_main .superiority .list li.item-2 .img {
    background-position: -60px top;
}
.construction_main .superiority .list li.item-3 .img {
    background-position: -120px top;
}
.construction_main .superiority .list li.item-4 .img {
    background-position: -180px top;
}
.construction_main .superiority .list li:hover.item-1 .img {
    background-position: left bottom;
}
.construction_main .superiority .list li:hover.item-2 .img {
    background-position: -60px bottom;
}
.construction_main .superiority .list li:hover.item-3 .img {
    background-position: -120px bottom;
}
.construction_main .superiority .list li:hover.item-4 .img {
    background-position: -180px bottom;
}
/* section */
.section {
    padding: 20px 5%;
    margin-top: 50px;
}
.section .pic{
    width: 46%;
    display: inline-block;
    vertical-align: middle;
    margin-left: 2%;
}
.section .pic .bg{
    width: 90%;
    height: auto;
}
.section .info{
    width: 50%;
    display: inline-block;
    vertical-align: top;
}
.section .info h1{
    position: relative;
    margin-bottom: 28px;
    padding-bottom: 30px;
    font-size: 36px;
    color: #0b1531;
    font-weight: 500;
    letter-spacing: 1.5px;
}
.section .info h1::after{
    content: '';
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 10px;
    width: 40px;
    height: 6px;
    background-color: #00d1dd;
    border-radius: 3px;
}
.section .info p{
    display: inline-block;
    margin-bottom: 32px;
    font-size: 16px;
    line-height: 2;
    color: #6b7799;
}
.why ul li{
    display: inline-block;
    background: #00d1dd;
    color: #fff;
    padding: 10px 10px; 
    border-radius: 5px;
    font-weight: 900;
    box-shadow: 0 0 10px #00d1dd;
    margin-right: 20px;
}
.what .list{
    padding: 30px 0 0px;
}
.what li{
    width: 41%;
    box-sizing: border-box;
    box-shadow: 0px 10px 24px 0px rgba(96,155,253,0.15);
    border-radius: 10px;
    text-align: center;
    padding: 10px 0 20px;
    margin: 0 4% 30px 0;
    display: inline-block;
    vertical-align: top;
    line-height: 30px;
}
.what li .tit {
    width: 150px;
    height: 40px;
    line-height: 40px;
    background: #00d1dd;
    box-shadow: 0px 8px 16px 0px rgba(96,155,253,0.4);
    border-radius: 20px;
    font-size: 18px;
    font-weight: 400;
    color: #fff;
    text-align: center;
    box-sizing: border-box;
    display: inline-block;
    margin-top: 10px;
}
.what li  .desc{
  margin: 20px 0 0;
  padding: 0 10px;
  text-align: left;
   color: #444;
}
.do{
    padding-bottom: 50px;
}
.do .btn{
    padding: 10px 30px;
    color: #00d1dd;
    display: inline-block;
    border-radius: 10px;
    border:1px solid #00d1dd;
    font-weight: 900;
    cursor: pointer;
    display: inline-block;
}