a {
  text-decoration: none;
}
body {
  font-size: 14px;

}
.clear {
  clear: both;
}

.header_box {
  background-color: #292e3a;
  position: absolute;
  top: 0;
  z-index: 1500;
  width: 100%;
  height: 70px;
  transition: all 0.3s linear;
}
.header_box .header {
  width: 1130px;
  height: 70px;
  margin: 0 auto;
  z-index: 150000;
}
.header_box .header_ul {
  float: right;
  z-index: 150000;
  background-color: #292e3a;
}
.header_box .header_ul .header_li {
  float: left;
  padding: 0 20px;
  width: auto;
}
.header_box .header_ul .header_li a {
  height: 70px;
  line-height: 70px;
  color: #ffffff;
  font-size: 16px;
  display: block;
  text-align: center;
}
.banner_box {
  text-align: center;
  position: relative;
  width: 100%;
  height: 490px;
}
.banner_box .banner_ul {
  width: 100%;
  height: 490px;
  background: url('../img/index_banner.jpg') no-repeat center;
}
.banner_box .banner_li {
  width: 100%;
  height: 490px;
}
.banner_box .banner_li img {
  width: 100%;
  height: 490px;
}
.banner_box h3 {
  width: 100%;
  color: #ffffff;
  position: absolute;
  top: 40%;
  font-size: 40px;
}
.banner_box h1 {
  width: 100%;
  color: #ffffff;
  position: absolute;
  top: 55%;
  font-size: 60px;
}
.product_box {
  width: 100%;
  height: auto;
  background-color: #F2F2F5;
  padding: 40px 0;
}
.product_box .product {
  width: 1130px;
  height: auto;
  margin: 0 auto;
}
.product_box .product h2 {
  font-size: 25px;
  margin-bottom: 20px
}
.product_box .product p {
  font-size: 20px;
  margin: 10px 0;
  font-size: 16px;
  line-height: 150%
}
.product_box .product .product_list {
  margin-top: 50px;
  width: 100%;
}
.product_box .product .product_list a {
  float: left;
}

.product_box .product .product_list .product_item {
  position: relative;
  float: left;
  margin-bottom: 20px;
  width: 360px;
  height: 300px;
  box-sizing: border-box;
  overflow: hidden;
}
.product_box .product .product_list .product_item .product_modal_icon{
  position: absolute;
  width: 360px;
  height: 40px;
  top: 42%;
  text-align: center;
  color: #fff;
  font-size: 24px;
  text-shadow:2px 2px 5px #333333;
}



.product_box .product .product_list .product_item img.product_modal_p_img {
  height: 100%;
  -webkit-transition: all 0.3s linear;
  transition: all 0.3s linear;
}

.product_box .product .product_list .product_item .product_modal_p {
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  position: absolute;
  top: 0;
  color: #ffffff;
  width: 100%;
  height: 100%;
  text-align: center;
}
.product_box .product .product_list .product_item .product_modal_p img {
  width: 80px;   
  /* 60px */
  margin:20px 0 20px 0;
}
.product_box .product .product_list .product_item .product_modal_p h4 {
  font-size: 16px;

}
.product_box .product .product_list .product_item .product_modal_p p {
  font-size: 14px;
  box-sizing: border-box;
  width: 100%;
  padding: 0 30px;
  line-height: 180%;
  color: #dddddd;
  text-align: left
}

.service_box {
  width: 100%;
  height: 480px;
}
.service_box .service {
  width: 1130px;
  height: 580px;
  margin: 0 auto;
  padding-top: 40px;
}
.service_box .service h2 {
  font-size: 25px;
}
.service_box .service p {
  font-size: 16px;
  margin: 10px 0;
}
.service_box .service_list {
  width: 100%;
  height: auto;
  margin-top: 40px;
}
.service_box .service_list a {
  float: left;
  margin-right: 1.5%;
}
.service_box .service_list a:last-child {
  margin-right: 0;
}
.service_box .service_list .service_item {
  background-color: #fff;
  text-align: center;
  width: 360px;
  height: 270px;
  border: 2px solid #E5E5E5;
}
.service_box .service_list .service_item img {
  margin: 10px 0;
  width: 140px;
}
.service_box .service_list .service_item h4 {
  font-size: 16px;
  color: #1973E5;
  margin-bottom: 20px;
}
.service_box .service_list .service_item p {
  font-size: 14px;
  color: #888888;
}
.service_box .service_list .service_item:last-child {
  margin-right: 0;
}
.service_box .service_list .service_item:hover {
  border: 2px solid #1973E9;
}
.case_box {
  width: 100%;
  height: 490px;
  background-color: #F2F2F5;
}
.case_box .case {
  width: 1130px;
  height: 530px;
  margin: 0 auto;
  padding: 40px 0;
}
.case_box .case h2 {
  font-size: 25px;
}
.case_box .case p {
  font-size: 16px;
  margin: 20px 0;
}
.case_box .case .menu {
  width: 100%;
  height: auto;
  border: 2px solid #E5E5E5;
  background-color: #fff;
  padding: 20px 0;
  position: relative;
}
.case_box .case .menu_ul {
  width: 250px;
  height: auto;
  float: left;
  border-right: 2px solid #E5E5E5;
  font-size: 16px
}
.case_box .case .menu_ul li {
  width: 85%;
  height: 55px;
  margin: 0 auto;
  line-height: 55px;
  padding: 0 10px;
  border-bottom: 2px solid #E5E5E5;
  cursor: pointer;
}
.case_box .case .menu_ul li img {
  width: 20px;
  float: right;
  margin-top: 18px;
}
.case_box .case .menu_ul li:last-child {
  border: none;
}
.case_box .case .menu_detail {
  width: 75%;
  height: 270px;
  position: absolute;
  top: 35px;
  right: 0;

  margin-left: 10px;
  float: left;
}
.case_box .case .menu_detail .menu_detail_l {
  width: 70%;
  height: 120px;
  float: left;
}
.case_box .case .menu_detail .menu_detail_l_p {
  line-height: 1.8rem;
}
.case_box .case .menu_detail .menu_detail_r {
  width: 30%;
  height: 120px;
  position: absolute;
  right: 0;
  top: 30px;
}
.case_box .case .menu_detail .menu_detail_r img {
  margin-top: 10px;
  margin-left: 60px;
  width: 150px;
}
.case_box .case .menu_detail .menu_detail_p {
  width: 100%;
  height: 50px;
  line-height: 60px;
  float: left;
  font-size: 18px;
}
.case_box .case .menu_detail .menu_detail_p span:last-child {
  margin-left: 180px;
}
.case_box .case .menu_detail .menu_detail_bottom {
  width: 100%;
  height: 80px;
  float: left;
}
.case_box .case .menu_detail .menu_detail_bottom_l {
  width: 30%;
  height: 80px;
  line-height: 5px;
  float: left;
}
.case_box .case .menu_detail .menu_detail_bottom_l p {
  font-size: 14px;
  color: #333333;
}
.case_box .case .menu_detail .menu_detail_bottom_r {
  width: 70%;
  height: 100px;
  position: absolute;
  left: 0;
  bottom: 0
}
.case_box .case .menu_detail .menu_detail_bottom_r img {
  border: 1px solid #EEEEEE;
}
.case_box .case .menu_detail .menu_detail_bottom_r .rd_img {
  float: left;
}
.case_box .case .menu_detail .menu_detail_bottom_r .rd_img:last-child {
  width: 300px;
}
.case_box .case .menu_detail .menu_detail_bottom_r .rd_img:first-child {
  width: 225px;
  margin-right: 10px;
}
.menu_li_active {
  color: #1973E5;
  font-size: 16px;
}



.about_main{
  
}

/*李靖*/