.title_box {
  height: 179px;
  background-image: url("../images/title_box_bg.png");
  background-repeat: no-repeat;
  background-position: top 70px center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.title_box h2 {
  font-size: 28px;
  color: #333333;
  font-weight: inherit;
  margin-top: 6px;
}
.title_box h2 span {
  font-size: 28px;
  color: #0075c5;
  font-weight: bold;
}
.title_box h3 {
  display: block;
  width: 266px;
  height: 40px;
  border-radius: 20px;
  font-size: 24px;
  background-color: #0075c5;
  color: #ffffff;
  font-weight: inherit;
  line-height: 40px;
}
/* 页头 */
.header_bxo,
.header_bd,
.search,
.contact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 125px;
}
.logo img {
  /* height: 125px; */
  vertical-align: middle;
}
.search
{
  position: relative;
  /* margin-top: -30px; */
}
.search input {
  width: 268px;
  height: 42px;
  background-color: #f1f1f1;
  border: none;
  outline: none;
  color: #cccccc;
  text-indent: 14px;
}
.search_icon {
  width: 68px;
  height: 42px;
  background-color: #0067b4;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  position: relative;
}
.search_icon a i {
  font-size: 20px;
  color: #ffffff;
}
.key_word
{
  position: absolute;
  top: 10px;
  color: #9E9E9E;
}

.key_word a {
    color: #9E9E9E;
    font-size: 12px;
}
.contact i {
  font-size: 26px;
  color: #0075c5;
  margin-right: 23px;
  margin-left: 71px;
  position: relative;
}
.contact i::after {
  content: "";
  display: block;
  width: 1px;
  height: 20px;
  position: absolute;
  background: linear-gradient(to bottom, #b7b7b7 20%, #d1d1d9 70%);
  top: 50%;
  right: -8px;
  transform: translate(0, -50%);
}
.contact p {
  font-size: 26px;
  color: #666666;
}

/* 产品 */
.product_hd ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 29px;
  width: 1200px;
  overflow: hidden;
}
.product_hd ul li a {
  background-color: #232323;
  width: 214px;
  height: 48px;
  color: #fff;
  display: flex;
  align-items: center;
  padding-left: 25px;
  border-right: 1px solid #5d5d5d;
  text-align: center;
}
.product_hd ul li a:hover {
  background-color: #e52534;
}

.product_ft {
  height: 595px;
  overflow: hidden;
}
.product_ft ul {
  width: 1200px;
  height: 595px;
  overflow: hidden;
}
.product_ft ul li {
  float: left;
  padding: 0 0 5px 14px;
  width: 291px;
  height: 291px;
}

.product_ft ul li img {
  width: 100%;
  height: 100%;
}

.product_ft ul li img:hover {
  box-sizing: border-box;
  border: 1px solid red;
}
.product_ft ul li:first-of-type {
  padding: 0;
  width: 589px;
  height: 589px;
}

/* 了解 */
.understand {
  height: 300px;
  background-image: url("../images/understand_bg.jpg");
  background-repeat: no-repeat;
  background-position: center;
  margin-top: 60px;
}
.under_title {
  color: #fff;
}
.under_title h2 {
  font-size: 38px;
  line-height: 50px;
}
.under_title p {
  font-size: 18px;
  margin-bottom: 25px;
}
.under_title a {
  display: block;
  width: 151px;
  height: 40px;
  background-color: #fff;
  font-size: 18px;
  color: #333333;
  border-radius: 20px;
  text-align: center;
  line-height: 40px;
}
.understand .w {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 300px;
}
.under_text p {
  font-size: 18px;
  color: #fff;
  text-align: center;
}
.under_text h2 {
  font-size: 70px;
  color: #ffffff;
  font-weight: inherit;
  height: 110px;
}
.under_text h2 span {
  font-size: 18px;
  color: #fff;
}

/* 关于 */
.about {
  margin-bottom: 61px;
}
.about .w {
  position: relative;
}
.about_title h2 {
  font-size: 52px;
  color: #0075c5;
  height: 140px;
  line-height: 140px;
  position: relative;
}

.about_title h2::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 110px;
  background-color: #0075c5;
  bottom: -70px;
  left: 53px;
}

.about_title h2::before {
  content: "";
  position: absolute;
  width: 13px;
  height: 13px;
  background-color: #0075c5;
  bottom: -83px;
  left: 47px;
}

.about_text {
  width: 698px;
  height: 386px;
  background-color: #f5f5f5;
  padding: 40px 0 0 84px;
  font-size: 14px;
  color: #333333;
}

.about_text-box {
  height: 282px;
  overflow: hidden;
}
.about_text p {
  width: 482px;
  /* height: 245px; */
  overflow: hidden;
  line-height: 25px;
}
.about-url a {
  display: block;
  width: 140px;
  height: 35px;
  background-color: #0075c5;
  text-align: center;
  line-height: 35px;
  color: #ffffff;
  font-size: 14px;
  margin-top: 40px;
}
.about_img {
  position: absolute;
  width: 597px;
  height: 465px;
  right: 0px;
  top: 66px;
}
.about_img img {
  width: 100%;
  height: 390px;
}
.about_img p {
  text-align: right;
  line-height: 75px;
  color: #333333;
  font-size: 14px;
  text-transform: uppercase;
}

/* 发展 */
.base {
  height: 688px;
  background-image: url("../images/base.jpg");
  background-repeat: no-repeat;
  background-position: center;
}
.base .title_box {
  background-image: none;
}
.base_title {
  position: relative;
}
.base .title_box h2 {
  color: #ffffff;
}
.base .title_box h2 span {
  color: #fff;
}
.base .title_box h3 {
  background-color: #fff;
  color: #666666;
}
.base_bg {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  position: absolute;
  top: 74px;
}
.base_bg :first-of-type {
  transform: rotate(180deg);
}

.base_box {
  display: flex;
  justify-content: space-between;
}
.base_img {
  width: 350px;
  position: relative;
}

.base_bd img {
  width: 350px;
  height: 350px;
}
.base_bd a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px 0 20px;
}
.base_bd span {
  color: #ffffff;
  font-size: 16px;
  width: 290px;
  height: 30px;
  overflow: hidden;
}

.base_bd i {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid #ffffff;
  color: #fff;
  text-align: center;
  line-height: 18px;
}
.base_card {
  position: absolute;
  bottom: -60px;
  border-bottom: 1px solid #e52534;
  display: none;
}
.card_hd img {
  width: 100%;
  height: 100%;
  display: block;
}
.card_bd {
  background-color: #fff;
  width: 350px;
  padding-left: 20px;
  box-sizing: border-box;
}
.card_bd h2 {
  display: block;
  font-size: 16px;
  color: #333333;
  font-weight: initial;
  width: 290px;
  height: 50px;
  line-height: 50px;
  border-bottom: 1px solid #d5ddec;
  overflow: hidden;
}
.card_bd p {
  font-size: 14px;
  color: #666666;
  width: 282px;
  height: 64px;
  overflow: hidden;
  /* line-height: 23px; */
  margin-bottom: 46px;
  margin-top: 5px;
}
.card_bd a {
  color: #0075c5;
  font-size: 14px;
}
.base_img:hover .base_card {
  display: block;
}

/* 优势 */
.advant_hd {
  text-align: center;
  height: 210px;
}
.advant_hd h2 {
  font-size: 40px;
  font-weight: inherit;
  color: #333333;
  padding-top: 35px;
}
.advant_hd h2 span {
  font-size: 40px;
  font-weight: inherit;
  color: #e52534;
}
.advant_hd p {
  font-size: 16px;
  color: #999999;
}

.advant_box {
  height: 371px;
  display: flex;
  justify-content: space-between;
  background-image: url("../images/advant_box_bg.png");
  background-position: center bottom 40px;
  background-repeat: no-repeat;
}
.advant_left .hd {
  height: 89px;
  display: flex;
  align-items: center;
}
.advant_left .number {
  width: 89px;
  height: 89px;
  background-color: #e52534;
  font-size: 64px;
  text-align: center;
  color: #ffffff;
  line-height: 89px;
  margin-right: 12px;
}
.advant_left .title h3 {
  font-size: 24px;
  color: #333333;
  font-weight: initial;
  line-height: 26px;
}
.advant_left .title p {
  font-size: 16px;
  color: #979797;
}
.advant_left .title span {
  display: block;
  width: 370px;
  height: 1px;
  background-color: #efefef;
  margin-top: 17px;
}

.advant_article {
  padding: 20px 0 0 100px;
}
.advant_article p {
  display: block;
  width: 420px;
  position: relative;
  color: #666666;
  font-size: 14px;
  line-height: 30px;
}
.advant_article p::after {
  content: "";
  display: block;
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: #999999;
  left: -12px;
  top: 10px;
}
.case {
  height: 800px;
  background-image: url("../images/case_bg.jpg");
  background-repeat: no-repeat;
  background-position: center;
}

/* 案例 */

.case .title_box {
  background-image: none;
}

.case .title_box h2 {
  color: #ffffff;
}
.case .title_box h2 span {
  color: #fff;
}
.case .title_box h3 {
  background-color: #fff;
  color: #666666;
}

.case_switch {
  height: 424px;
  background-color: #fff;
  padding: 70px 0 0 46px;
  display: flex;
  /* justify-content: space-between; */
  position: relative;
}
.switch_left {
  width: 917px;
  height: 344px;
  position: relative;
  z-index: 100;
}
.switch_left li {
  display: flex;
  justify-content: space-between;
  position: relative;
}
.swidch_title {
  border-bottom: 1px solid #d5ddec;
}
.swidch_title h3 {
  font-size: 22px;
  color: #333333;
  font-weight: lighter;
  margin-bottom: -16px;
  width: 230px;
  height: 50px;
  overflow: hidden;
}
.swidch_title span {
  display: block;
  font-size: 16px;
  color: #999999;
  line-height: 50px;
  width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.switch_left li img {
  width: 563px;
  height: 344px;
}
.swidch_text {
  font-size: 14px;
  color: #333333;
  line-height: 50px;
}
.swidch_box a {
  position: absolute;
  bottom: 0;
  display: block;
  width: 130px;
  height: 35px;
  background-color: #0075c5;
  color: #fff;
  font-size: 14px;
  text-align: center;
  line-height: 35px;
}
.switch_left .arrow {
  width: 132px;
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: -65px;
  left: 50%;
  transform: translate(0, -50%);
}
.switch_left .arrow .next,
.switch_left .arrow .prev {
  width: 10px;
  height: 18px;
}
.switch_left .arrow .next {
  background-image: url("../images/arrow_btn.jpg");
  background-position: left center;
  background-repeat: no-repeat;
}
.switch_left .arrow .prev {
  background-image: url("../images/arrow_btn.jpg");
  background-position: right center;
  background-repeat: no-repeat;
}
.switch_right {
  width: 145px;
  /* background-color: burlywood; */
  margin-left: 45px;
  z-index: 100;
}
.switch_right img {
  margin-bottom: 9px;
  width: 145px;
  height: 77px;
}
.case_bg_img {
  position: absolute;
  width: 602px;
  height: 494px;
  background-image: url("../images/base_bg_03.jpg");
  background-repeat: no-repeat;
  background-position: center;
  right: 0;
  top: 0;
  z-index: 10;
}
.news_text h2 {
  font-size: 18px;
  color: #333333;
  font-weight: initial;
  line-height: 65px;
  height: 65px;
  width: 600px;
  overflow: hidden;
}
.news_text p {
  margin: 0 0 14px 0;
  font-size: 14px;
  color: #666666;
  line-height: 22px;
  width: 600px;
  height: 40px;
  overflow: hidden;
}
.news_text a {
  color: #999999;
  font-size: 14px;
}

.news_box {
  display: flex;
  justify-content: space-between;
}

.news_right {
  width: 529px;
  display: flex;
  justify-content: space-between;
  padding-bottom: 30px;
}

.news_right:hover .Digital_box {
  background-color: red;
}

.Digital_box {
  overflow: hidden;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
}
.Digital_box div {
  height: 60px;
}
.Digital_box p {
  font-size: 36px;
  line-height: 30px;
}
.Digital_box span {
  font-size: 20px;
}
.news_right .noe {
  background-color: #0075c5;
}
.news_right .even {
  background-color: #e52534;
}
.news_article {
  width: 403px;
}
.news_article h2 {
  font-size: 18px;
  color: #333333;
  width: inherit;
  height: 40px;
  overflow: hidden;
}
.news_article h2:hover {
  color: #e52534;
}
.news_article p {
  font-size: 14px;
  height: 56px;
  color: #666666;
  overflow: hidden;
}

.substation {
  height: 50px;
  background-color: #0075c5;
  margin-top: 60px;
  line-height: 60px;
  color: #fff;
  font-size: 16px;
}

.substation a {
  color: #eff5f5;
  margin-left: 10px;
}

/* 尾部 */
.footer {
  /* margin-top: 60px; */
}
.footer .hd {
  background-color: #333333;
  border-bottom: 1px solid #4c4c4c;
}
.footer .hd ul {
  width: 1200px;
  height: 73px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
}
.footer .hd ul a {
  color: #fff;
}

.footer .bd {
  background-color: #333333;
  height: 304px;
}

.footer .bd .w {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 304px;
}

.footer .bd_left {
  height: 173px;
  display: flex;
  align-items: center;
  color: #fff;
}
.bd_left p {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}
.footer .bd_left i {
  width: 30px;
  height: 30px;
  display: block;
  background-image: url("../images/footer_icon_03.jpg");
  background-repeat: no-repeat;
  padding: 0 21px 0 21px;
}
.footer .bd_left .icon_1 {
  background-position: top center;
}
.footer .bd_left .icon_2 {
  background-position: center center;
}
.footer .bd_left .icon_3 {
  background-position: bottom center;
}
.footer_icon {
  padding-left: 50px;
}
.footer .bd_right {
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  color: #fff;
}
.footer .bd_right div {
  margin-left: 24px;
}

.footer .footer_ft {
  background-image: url(../images/footer_bg_02.jpg);
  color: #fff;
  line-height: 22px;
  padding: 20px 0;
}

.friendship {
  height: 50px;
  background-color: #333333;
  line-height: 50px;
}

.friendship a {
  margin-left: 15px;
  color: #a6a6a6;
}
.footer .footer_ft a {
  color: #fff;
  margin-right: 54px;
}
.footer .footer_ft span {
  margin-right: 5px;
}