.product__banner {
  height: 430px;
  background: url(../img/product-banner.png) center no-repeat;
  background-size: cover;
  text-align: center;
  padding-top: 147px;
}

.product__banner h1 {
  position: relative;
  height: 44px;
  background: url(../img/product-banner-title.png) center no-repeat;
  background-size: contain;
  margin: 0 0 53px;
}

.product__banner h1::after {
  content: '';
  display: block;
  width: 155px;
  height: 1px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  bottom: -21px;
  margin-left: -77px;
}

.product__banner-content {
  width: 726px;
  margin: 0 auto;
  color: #fff;
  line-height: 24px;
  font-size: 16px;
}

.product__build {
  padding: 80px 0 100px;
  background-color: #fafafa;
}

.product__build-title {
  font-size: 36px;
  color: #333;
  line-height: 50px;
  margin: 0 0 10px;
  text-align: center;
}

.product__build-subtitle {
  position: relative;
  text-align: center;
  font-size: 22px;
  color: #717389;
  line-height: 30px;
  margin-bottom: 80px;
}

.product__build-subtitle span {
  color: #eceef3;
  margin: 0 8px;
  font-weight: 200;
}

.product__build-subtitle-left,
.product__build-subtitle-right {
  position: absolute;
  top: 50%;
  margin-top: -0.5px;
  width: 425px;
  height: 1px;
  background-color: #eceef3;
}

.product__build-subtitle-left {
  left: 0;
}

.product__build-subtitle-right {
  right: 0;
}

.product__build-subtitle-left::before,
.product__build-subtitle-right::before {
  content: '';
  position: absolute;
  top: 50%;
  margin-top: -3px;
  display: block;
  width: 6px;
  height: 6px;
  background-color: #eceef3;
  border-radius: 50%;
}

.product__build-subtitle-left::before {
  right: 0;
}

.product__build-subtitle-right::before {
  left: 0;
}

.product__build-info {
  float: left;
  width: 208px;
  height: 379px;
  background-size: contain;
  margin-right: 32px;
}

.product__build-info:last-child {
  margin-right: 0;
}

.product__build-info-1 {
  background-image: url(../img/product-build1.png);
}

.product__build-info-1:hover {
  background-image: url(../img/product-build1-hover.png);
}

.product__build-info-2 {
  background-image: url(../img/product-build2.png);
}

.product__build-info-2:hover {
  background-image: url(../img/product-build2-hover.png);
}

.product__build-info-3 {
  background-image: url(../img/product-build3.png);
}

.product__build-info-3:hover {
  background-image: url(../img/product-build3-hover.png);
}

.product__build-info-4 {
  background-image: url(../img/product-build4.png);
}

.product__build-info-4:hover {
  background-image: url(../img/product-build4-hover.png);
}

.product__build-info-5 {
  background-image: url(../img/product-build5.png);
}

.product__build-info-5:hover {
  background-image: url(../img/product-build5-hover.png);
}

.product__tabs .el-tabs__nav {
  float: none;
  width: 1168px;
  margin: 0 auto;
}

.product__tabs .el-tabs__item {
  width: 33.3%;
  height: auto;
  line-height: 25px;
  text-align: center;
  font-size: 18px;
  color: #333;
  padding: 70px 0 25px;
}

.product__tabs .el-tabs__item.is-active {
  color: #cc2a21;
}

.product__tabs .el-tabs__active-bar {
  left: 161px;
  width: 65px !important;
  height: 3px;
  background-color: #cc2a21;
}

.product__tabs .el-tabs__nav-wrap::after {
  height: 1px;
  background-color: #ebebeb;
}

.product__tabs .el-tabs__header {
  margin-bottom: 0;
}

.product__examination-service {
  position: relative;
  height: 422px;
  padding-left: 432px;
  padding-top: 134px;
}

.product__examination-logo {
  position: absolute;
  top: 99px;
  left: 129px;
  width: 224px;
  height: 224px;
  background: url(../img/product-examination-service.png) center no-repeat;
  background-size: contain;
}

.product__examination-service h2 {
  position: relative;
  font-size: 32px;
  color: #333;
  line-height: 45px;
  margin: 0 0 36px;
}

.product__examination-service h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -12px;
  width: 128px;
  height: 2px;
  background-color: #cc2a21;
}

.product__examination-service div {
  font-size: 16px;
  line-height: 24px;
  color: #666;
  padding-right: 131px;
}

.product__scenes {
  background-color: #f9f9f9;
  padding: 80px 0 100px;
}

.product__scenes-item {
  background-color: #fff;
  text-align: center;
  padding: 40px 0;
  color: #4d4d4d;
  border: 1px solid #f2f2f2;
  cursor: pointer;
}

.product__scenes-item.active {
  background-color: #cc2a21;
  color: #fff;
}

.product__scenes-title-icon {
  position: relative;
  width: 100%;
  height: 58px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  margin-bottom: 27px;
}

.product__scenes-title-icon::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -11px;
  display: block;
  width: 28px;
  height: 1px;
  margin-left: -14px;
  background-color: #4d4d4d;
}

.product__scenes-item.active .product__scenes-title-icon::after {
  background-color: #fff;
}

.product__scenes-title {
  font-size: 20px;
  line-height: 28px;
}

.product__scenes-list {
  position: relative;
  background-color: #fff;
  margin: 36px 0 0;
  padding: 50px 30px;
  border: 1px solid #f2f2f2;
}

.product__scenes-list::before {
  content: '';
  position: absolute;
  top: -24px;
  left: 171.3px;
  display: block;
  width: 0;
  height: 0;
  border-width: 12px;
  border-style: solid;
  border-color: transparent;
  border-bottom-color: #fff;
}

.product__scenes-list.single::before {
  left: 996.7px;
}

.product__scenes-list.alliance::before {
  left: 572px;
}

.product__scenes-list li {
  position: relative;
  float: left;
  height: 15px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  margin: 0 17px;
}

.product__scenes-list.single li {
  margin: 0 31px;
}

.product__scenes-list.alliance li {
  margin: 0 14px;
}

.product__scenes-list li::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -15px;
  display: block;
  width: 2px;
  height: 14px;
  margin-top: -7px;
  background-color: #f2f2f2;
}

.product__scenes-list li.single::after {
  right: -32px;
}

.product__scenes-list li:first-child {
  margin-left: 0;
}

.product__scenes-list li:last-child {
  margin-right: 0;
}

.product__scenes-list li:last-child::after {
  display: none;
}

.product__service {
  padding: 80px 0 142px;
}

.product__service-navs {
  position: relative;
}

.product__service-navs::before {
  position: absolute;
  top: 72px;
  left: 96px;
  z-index: 0;
  display: block;
  width: 1016px;
  height: 2px;
  background: url(../img/product-dashed.png) center no-repeat;
  background-size: contain;
}

.product__service-nav {
  position: relative;
  z-index: 1;
  float: left;
  width: 140px;
  font-size: 18px;
  font-weight: 600;
  line-height: 25px;
  color: #1a1a1a;
  background-position: center 19px;
  background-repeat: no-repeat;
  background-size: 104px;
  padding-top: 146px;
  margin-right: 117px;
  text-align: center;
  cursor: pointer;
}

.product__service-nav:last-child {
  margin-right: 0;
}

.product__service-nav.active {
  background-size: 140px;
  background-position: center 0;
  color: #cc2a21;
}

.product__service-1 {
  background-color: #f9f9f9;
}

.product__service-1-wrapper {
  position: relative;
  height: 510px;
  padding-top: 132px;
}

.product__service-1-wrapper::before {
  content: '';
  position: absolute;
  top: -86px;
  left: 26px;
  display: block;
  width: 0;
  height: 0;
  border-width: 43px;
  border-style: solid;
  border-color: transparent;
  border-bottom-color: #f9f9f9;
}

.product__service-2-wrapper {
  padding-top: 138px;
}

.product__service-2-wrapper::before {
  left: 282px;
}

.product__service-3-wrapper {
  padding-top: 167px;
}

.product__service-3-wrapper::before {
  left: 542px;
}

.product__service-1-title {
  font-size: 36px;
  font-weight: 500;
  line-height: 50px;
  color: #333;
  margin: 0 0 16px;
}

.product__service-1-sub {
  font-size: 24px;
  line-height: 33px;
  color: #737373;
  font-weight: 400;
  margin-bottom: 32px;
}

.product__service-1-content {
  width: 581px;
  font-size: 16px;
  line-height: 22px;
  font-weight: 400;
  color: #666;
}

.product__service-1-bg {
  position: absolute;
  top: 69px;
  right: -31px;
  width: 595px;
  height: 342px;
  background: url(../img/product-service1-bg.png) center no-repeat;
  background-size: contain;
}

.product__service-2-bg {
  top: 89px;
  right: -22px;
  background-image: url(../img/product-service2-bg.png);
}

.product__service-3-1-bg {
  top: 95px;
  right: -30px;
  background-image: url(../img/product-service3-1.png);
}

.product__service-3-2-wrapper {
  position: relative;
  padding: 150px 0 163px;
  text-align: right;
}

.product__service-3-title {
  font-size: 36px;
  font-weight: 500;
  line-height: 50px;
  margin: 0 0 16px;
}

.product__service-3-sub {
  font-size: 24px;
  font-weight: 400;
  line-height: 33px;
  margin-bottom: 32px;
  color: #737373;
}

.product__service-3-content {
  font-size: 16px;
  font-weight: 400;
  line-height: 22px;
  color: #666666;
  margin-left: 587px;
}

.product__service-3-bg {
  position: absolute;
  top: 34px;
  left: 0;
  width: 434px;
  height: 433px;
  background: url(../img/product-service3-2-bg.png) center no-repeat;
  background-size: contain;
}

.product__service-3-3-wrapper {
  position: relative;
  padding: 170px 0 187px;
}

.product__service-3-3-bg {
  top: 96px;
  right: -20px;
  width: 580px;
  height: 326px;
  background-image: url(../img/product-service-3-3-bg.png);
}

.product__service-4-wrapper::before {
  left: 798px;
}

.product__service-4-1-bg {
  top: 114px;
  right: -19px;
  width: 602px;
  height: 325px;
  background-image: url(../img/product-service4-1-bg.png);
}

.product__service-4-2-bg {
  top: 90px;
  left: -18px;
  width: 543px;
  height: 333px;
  background-image: url(../img/product-service4-2-bg.png);
}

.product__service-4-3-bg {
  top: 47px;
  right: 24px;
  width: 492px;
  height: 419px;
  background-image: url(../img/product-service4-3-bg.png);
}

.product__service-5-wrapper {
  padding-top: 160px;
}

.product__service-5-wrapper::before {
  left: 1056px;
}

.product__service-5-bg {
  top: 87px;
  right: 0;
  width: 406px;
  height: 364px;
  background-image: url(../img/product-service5-bg.png);
}

.product__exam-point {
  padding: 80px;
  background-color: #fafafa;
}

.product__exam-point h2 {
  position: relative;
  font-size: 36px;
  line-height: 50px;
  color: #333;
  font-weight: 500;
  text-align: center;
  margin: 0 0 80px;
}

.product__exam-point h2::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 219px;
  width: 265px;
  height: 3px;
  margin-top: -1.5px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0%, rgba(233, 235, 241, 1) 100%);
}

.product__exam-point h2::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 219px;
  width: 265px;
  height: 3px;
  margin-top: -1.5px;
  background: linear-gradient(270deg, rgba(255, 255, 255, 0.3) 0%, rgba(233, 235, 241, 1) 100%);
}

.product__exam-card {
  margin-bottom: 20px;
  padding: 24px;
  background-color: #fff;
  border: 1px solid #ededed;
  cursor: pointer;
}

.product__exam-card:hover {
  background-color: #cc2a21;
}

.product__exam-card:hover .product__exam-title,
.product__exam-card:hover .product__exam-content {
  color: #fff;
}

.product__exam-icon {
  width: 58px;
  height: 58px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-bottom: 16px;
}

.product__exam-icon-1 {
  background-image: url(../img/product-point-1.png);
}

.product__exam-card:hover .product__exam-icon-1 {
  background-image: url(../img/product-point-1-hover.png);
}

.product__exam-icon-2 {
  background-image: url(../img/product-point-2.png);
}

.product__exam-card:hover .product__exam-icon-2 {
  background-image: url(../img/product-point-2-hover.png);
}

.product__exam-icon-3 {
  background-image: url(../img/product-point-3.png);
}

.product__exam-card:hover .product__exam-icon-3 {
  background-image: url(../img/product-point-3-hover.png);
}

.product__exam-icon-4 {
  background-image: url(../img/product-point-4.png);
}

.product__exam-card:hover .product__exam-icon-4 {
  background-image: url(../img/product-point-4-hover.png);
}

.product__exam-title {
  font-size: 20px;
  line-height: 28px;
  color: #333;
  font-weight: 500;
  margin-bottom: 10px;
}

.product__exam-content {
  line-height: 20px;
  color: #666;
  font-weight: 400;
}

.product__exam-list {
  padding: 100px 0 139px;
}

.product__exam-list-title {
  font-size: 36px;
  font-weight: 500;
  line-height: 50px;
  color: #333;
  margin-bottom: 80px;
}

.product__high {
  float: left;
  background-color: #FCFCFC;
  border: 1px solid #EDEDED;
}

.product__high-1 {
  width: 431px;
  margin-right: 22px;
}

.product__high-title {
  float: left;
  width: 88px;
  height: 246px;
  font-size: 20px;
  font-weight: 500;
  line-height: 88px;
  color: #333;
  writing-mode: vertical-lr;
  background-color: #f1f2f6;
  padding-top: 88px;
}

.product__high-list {
  position: relative;
  float: left;
  margin: 0;
  padding: 33px 22px;
}

.product__high-list::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  display: block;
  width: 1px;
  height: 140px;
  margin-top: -70px;
  background-color: #F1F2F6;
}

.product__high-list:last-child::after {
  display: none;
}

.product__high-list li {
  font-size: 14px;
  color: #333;
  line-height: 36px;
}

.product__high-3 {
  width: 100%;
  margin-top: 44px;
}

.product__book-feature-icon-1 {
  background-image: url(../img/product-book-feature-1.png);
}

.product__exam-card:hover .product__book-feature-icon-1 {
  background-image: url(../img/product-book-feature-1-hover.png);
}

.product__book-feature-icon-2 {
  background-image: url(../img/product-book-feature-2.png);
}

.product__exam-card:hover .product__book-feature-icon-2 {
  background-image: url(../img/product-book-feature-2-hover.png);
}

.product__book-feature-icon-3 {
  background-image: url(../img/product-book-feature-3.png);
}

.product__exam-card:hover .product__book-feature-icon-3 {
  background-image: url(../img/product-book-feature-3-hover.png);
}

.product__book-feature-icon-4 {
  background-image: url(../img/product-book-feature-4.png);
}

.product__exam-card:hover .product__book-feature-icon-4 {
  background-image: url(../img/product-book-feature-4-hover.png);
}

.product__books {
  padding: 80px 0;
}

.product__books .product__exam-list-title {
  margin-bottom: 60px;
}

.product__books-nav {
  width: 104px;
  height: 43px;
  background-color: #F1F2F6;
  font-size: 20px;
  line-height: 43px;
  color: #333;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
}

.product__books-nav:hover,
.product__books-nav.active {
  background-color: #CC2A21;
  color: #fff;
}

.product__book {
  height: 313px;
  background-color: #FBFBFB;
  padding: 60px 60px 0;
  margin-bottom: 48px;
}

.product__book:last-child {
  margin-bottom: 0;
}

.product__book-body {
  position: relative;
  float: left;
  width: 728px;
  padding-right: 74px;
}

.product__book-body::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  display: block;
  width: 2px;
  height: 100%;
  background-color: #F0F0F0;
}

.product__book h3 {
  font-size: 24px;
  font-weight: 500;
  line-height: 33px;
  color: #333;
  margin: 0 0 32px;
}

.product__book-desc {
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  color: #666;
}

.product__book-icon-wrapper {
  float: left;
  padding-left: 48px;
}

.product__book-icon-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 2px;
  height: 100%;
  background-color: #F0F0F0;
}

.product__book-icon {
  display: block;
  width: 272px;
}