.banner_link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 388px;
  height: 60px;
  background-color: #990033;
  border-radius: 30px;
  margin: 55px auto 0;
}
.banner_link > span {
  font-size: 26px;
  line-height: 26px;
  font-weight: bold;
  color: #ffffff;
}
.banner_link > img {
  width: 32px;
  height: 32px;
  margin-left: 30px;
}
.grey_bg {
  background: #f4f4f4;
}
.block_page_title {
  padding: 100px 0 70px;
}
.block_page_title .title {
  font-size: 36px;
  line-height: 43px;
  color: #990033;
  text-align: center;
}
.block_page_title .subtitle {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 22px;
}
.block_page_title .subtitle .page_title_line {
  width: 175px;
  height: 1px;
  background: #cccccc;
}
.block_page_title .subtitle > span {
  line-height: 43px;
  letter-spacing: 1px;
  color: #999999;
  font-size: 14px;
  margin: 0 45px;
}
.our_advantage,
.our_service {
  display: flex;
  justify-content: center;
}
.our_advantage {
  margin-top: 70px;
  padding-bottom: 85px;
}
.our_advantage .advantage_item {
  width: 325px;
  box-shadow: 0px 1px 1px 0px #cccccc;
  border-radius: 4px;
  text-align: center;
  position: relative;
}
.our_advantage .advantage_item + .advantage_item {
  margin-left: 110px;
}
.our_advantage .advantage_item:hover {
  box-shadow: 0px 4px 10px 0px #cccccc;
}
.our_advantage .advantage_item:hover > img:nth-child(1) {
  display: none;
}
.our_advantage .advantage_item:hover > img:nth-child(2) {
  display: block;
}
.our_advantage .advantage_item > img {
  width: 80px;
  height: 80px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
}
.our_advantage .advantage_item > img:nth-child(1) {
  display: block;
}
.our_advantage .advantage_item > img:nth-child(2) {
  display: none;
}
.our_advantage .advantage_item > h4 {
  color: #333333;
  font-size: 20px;
  margin-top: 65px;
  padding-bottom: 22px;
  position: relative;
}
.our_advantage .advantage_item > h4::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: #910e25;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
.our_advantage .advantage_item > p {
  color: #666666;
  line-height: 30px;
  margin: 30px 25px 35px;
}
.application_case {
  width: 1290px;
  display: flex;
  flex-wrap: wrap;
  margin: -7px auto 0;
  padding-bottom: 90px;
}
.application_case .case_item {
  margin: 17px 9px;
  width: 240px;
  background-color: #ffffff;
  text-align: center;
}
.application_case .case_item > img {
  width: 100%;
  height: 180px;
}
.application_case .case_item .img_line {
  width: 117px;
  height: 3px;
  background: #cccccc;
  margin: 23px auto 27px;
  position: relative;
}
.application_case .case_item .img_line::after {
  content: '';
  display: block;
  width: 30px;
  height: 3px;
  background-color: #910e25;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}
.application_case .case_item > h4 {
  color: #333333;
  font-size: 22px;
  padding: 0 20px;
}
.application_case .case_item > p {
  font-size: 14px;
  line-height: 33px;
  color: #999999;
  padding: 0 20px 44px;
}
.our_service {
  padding-bottom: 30px;
}
.our_service .service_item {
  width: 485px;
  background-color: #ffffff;
  box-shadow: 0px 4px 10px 0px rgba(51, 51, 51, 0.2);
  border-radius: 4px;
  padding: 60px 30px;
  color: #333333;
  border: 2px solid transparent;
}
.our_service .service_item:hover {
  border-color: #990033;
}
.our_service .service_item + .service_item {
  margin-left: 100px;
}
.our_service .service_item > h3 {
  text-align: center;
  font-size: 32px;
  line-height: 43px;
  color: #990033;
  font-weight: bold;
}
.our_service .service_item > img {
  display: block;
  width: 60px;
  height: 60px;
  margin: 20px auto 30px;
}
.our_service .service_item > p {
  font-size: 22px;
  font-weight: normal;
  line-height: 46px;
  font-weight: bold;
}
.our_service .service_item .item_point {
  margin-top: 45px;
}
.our_service .service_item .item_point > p + p {
  margin-top: 35px;
}
.our_service .service_item .item_point > p > * {
  vertical-align: middle;
}
.our_service .service_item .item_point > p > img {
  width: 22px;
  height: 22px;
  margin-right: 20px;
}
.our_service .service_item .item_point > p > span {
  font-size: 20px;
}
.solution_item {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 130px 0;
}
.solution_item:nth-child(2n) {
  background-color: #f4f4f4;
}
.solution_item:nth-child(2n) .item_main {
  text-align: right;
}
.solution_item:nth-child(2n) .item_main .item_title_wrap > img {
  margin-left: 20px;
}
.solution_item:nth-child(2n-1) {
  flex-direction: row-reverse;
}
.solution_item:nth-child(2n-1) .item_main .item_title_wrap {
  flex-direction: row-reverse;
}
.solution_item:nth-child(2n-1) .item_main .item_title_wrap > img {
  margin-right: 20px;
}
.solution_item > * {
  margin: 0 70px;
}
.solution_item .item_main {
  width: 440px;
  color: #333333;
}
.solution_item .item_main .item_title_wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 55px;
}
.solution_item .item_main .item_title_wrap .item_title > h4 {
  font-size: 36px;
  line-height: 36px;
}
.solution_item .item_main .item_title_wrap .item_title > p {
  font-size: 14px;
  margin-top: 15px;
}
.solution_item .item_main .item_title_wrap > img {
  width: 50px;
  height: 50px;
}
.solution_item .item_main > p {
  font-size: 22px;
  line-height: 44px;
}
.solution_item > img {
  width: 420px;
  height: 315px;
}