.product-tab {
  border-radius: 20px;
  font-size: 14px;
  padding: 5px 30px;
}

.product-tab:first-of-type {
  margin-right: 45px;
}

.product-tab.active {
  background: rgba(0, 26, 96, 0.8);
}

.product-tab:not(.active):hover {
  cursor: pointer;
  background: rgba(0, 26, 96, 0.8);
  transition: 0.3s;
}

/* 净水和空气净化 */
.product-img-tab {
  text-align: center;
  cursor: pointer;
}

.product-img-tab img {
  display: block;
}

.product-img-tab p {
  margin: 0;
  font-size: 14px;
  height: 40px;
}

.product-img-tab p.active {
  /* background: #fff; */
  /* color: #000; */
  text-decoration: underline;
}

.product-img-tab p.active::before,
.product-img-tab p.active::after {
  display: none;
  content: "";
  width: 8px;
  height: 8px;
  background: #ff7817;
  border-radius: 50%;
  margin: 0 25px;
}

.product-img-tab .project-name {
  padding: 0 3em;
}

.custom-products {
  display: flex;
  justify-content: center;
  margin: 1em 0 3em;
}

.custom-products .product-img-tab {
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 1rem;
  padding: 2em 1em;
}

.custom-products .product-img-tab.active,
.custom-products .product-img-tab:hover {
  background-color: rgba(0, 26, 96, 0.6);
}

.custom-products .product-img-tab h2 {
  margin: 0 1em;
}

.custom-products .product-img-tab p.active {
  background-color: transparent;
  color: currentColor;
}

/* 详情 */
.product-card {
  margin: 40px 0;
  padding: 45px;
  background: no-repeat bottom/cover url("../../imgs/SVG/业务板块-border.svg");
  border-top: 2px solid rgba(255, 255, 255, 0.8);
}

.product-card.large-workaround {
  background: none;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.product-card .sec-1 {
  display: flex;
}

.product-card .sec-1 .title {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 45px;
}

.product-card .sec-1 .content {
  font-size: 20px;
  max-width: 26em;
}

.product-card .shout {
  font-size: 40px;
  line-height: 1.5;
  font-weight: bold;
  text-decoration: underline;
  text-underline-offset: 8px;
  margin-left: auto;
  margin-right: 60px;
}

.sec-2-icons {
  display: flex;
  justify-content: space-between;
}

.sec-2-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.sec-2-icon img {
  display: flex;
  height: 58px;
}

.sec-3-cards {
  display: flex;
  background: rgba(0, 26, 96, 0.6);
}

.sec-3-cards > * {
  width: 20%;
}

.sec-3-text .title {
  font-size: 24px;
  font-weight: bold;
  line-height: 28px;
}

.sec-3-text .content {
  font-size: 20px;
  line-height: 24px;
}

/* 客户 */
.client-list-wrapper {
  margin-top: 50px;
  margin-bottom: 50px;
}

.client-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 26, 96, 0.8);
  border-radius: 20px;
  font-size: 14px;
}

.client-list > * {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 6px 26px;
}

.client-list-nav {
  padding: 0 1em;
}

/* 净水 第一个卡片 三张图片 */
.sec-4-triple-images {
  display: flex;
  justify-content: space-between;
}

.sec-4-triple-images > *:not(:last-child) {
  padding-right: 10px;
}

.sec-4-triple-images img {
  border-radius: 20px;
}

/* 不同工业污水的成功实验 */

.shout-title {
  font-size: 40px;
  line-height: 1.5;
  font-weight: bold;
  text-decoration: underline;
  text-underline-offset: 8px;
  margin-bottom: 36px;
}

.water-process-success-tests-content {
  display: flex;
  justify-content: space-between;
}

.water-process-success-tests-content article {
  font-size: 20px;
  line-height: 24px;
  max-width: 34em;
}

table {
  border-collapse: collapse;
}

table thead {
  background: #000;
  font-size: 14px;
}

table tbody {
  font-size: 13px;
}

table tbody tr:nth-of-type(2n) {
  background: #e7e7e7;
  color: #000;
}

table tbody tr:nth-of-type(2n + 1) {
  background: #fff;
  color: #000;
}

table th,
table td {
  padding: 3px 10px;
}

.large-head-table {
  text-align: center;
}

.large-head-table thead th {
  font-size: 22px;
  padding: 1em 0;
}

.imgs-grid {
  display: flex;
}

.imgs-grid-2 {
  display: flex;
  max-height: 600px;
}

.imgs-grid-2 > * {
  flex: 0 0 33%;
  margin: 0 0.25rem;
}

.imgs-grid-2 img {
  display: block;
  overflow: hidden;
  border: 1px solid #fff;
}

.imgs-grid-3 img {
  border: 1px solid #fff;
  margin: 8px;
}

.imgs-grid img {
  display: block;
  margin: 8px;
  overflow: hidden;
}

.imgs-grid-2-2 {
  display: flex;
  flex-direction: column;
}

.client-list-nav {
  cursor: pointer;
}

.client:hover {
  background: rgba(255, 255, 255, 0.2);
}

.ptabs {
  display: flex;
}

.sec-2 .sec-2-inner {
  display: flex;
  justify-content: space-between;
}

.integrator-first-show-case {
  display: flex;
  margin-bottom: 200px;
}

.integrator-first-show-case .text {
  margin: 70px 0 0 95px;
  min-width: 305px;
}

.integrator-first-show-case-wrapper {
  position: relative;
}

.integrator-first-show-case-bg {
  position: absolute;
  left: 0;
  bottom: 150px;
  background: #001a60;
  height: 100px;
  width: 100%;
  z-index: -1;
}

.advantage-body {
  display: flex;
}

.advantage-body .advantage-body-part-1 {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-right: 28px;
}

.advantage-body .advantage-body-part-2 {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.advantage-body-part-1 .text {
  font-size: 20px;
  line-height: 24px;
  max-width: 31em;
  margin: 100px 0;
}

.product-card .sec-2 {
  margin: 40px 0px 60px;
}

.product-tabs {
  display: flex;
}

.product-tabs-wrapper {
  margin: 60px 0 50px;
}

@media screen and (max-width: 768px) {
  .product-tabs-wrapper {
    margin: 2rem 0 1rem;
  }

  .custom-products {
    flex-direction: column;
    margin-bottom: 1em;
    line-height: 1.5;
  }

  .custom-products .product-img-tab:nth-child(2) {
    margin: .5rem 0 !important;
  }

  .custom-products .product-img-tab {
    padding: 0;
  }

  .custom-products .product-img-tab h2 {
    font-size: 1rem;
  }

  .custom-products .product-img-tab p {
    font-size: 0.75rem;
  }

  .integrator-first-show-case {
    flex-direction: column;
  }

  .integrator-first-show-case .text {
    margin: 0;
  }

  .integrator-first-show-case-bg {
    display: none;
  }

  .client-list-wrapper {
    display: none;
  }

  .water-process-success-tests-content {
    flex-direction: column;
  }

  .shout-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .water-process-success-tests-content article {
    font-size: 1rem;
  }

  .water-process-success-tests-content > *:not(:last-child) {
    margin-bottom: 1em;
  }

  .product-card {
    padding: 0.5rem;
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.8);
  }

  .advantage-body {
    flex-direction: column;
  }

  .advantage-body-part-1 .text {
    margin: 1rem 0;
  }

  .advantage-body-part-1 > *,
  .advantage-body-part-2 > * {
    margin-bottom: 1rem;
  }

  .advantage-body .advantage-body-part-1 {
    margin-right: 0;
  }

  .product-card .sec-1 {
    flex-direction: column;
  }

  .product-card .shout {
    font-size: 1.2rem;
    margin: 0;
    display: none;
  }

  .sec-2-icons {
    flex-direction: column;
  }

  .sec-2-icons > :not(.sec-2-icon) {
    display: none;
  }

  .sec-2-icon {
    flex-direction: row;
    justify-content: flex-start;
    margin-bottom: 0.5rem;
  }

  .sec-2-icon > *:first-child {
    width: 80px;
  }

  .product-card .sec-2 {
    margin: 1rem 0;
  }

  .product-card .sec-1 .title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .product-card .sec-1 .content {
    font-size: 1rem;
    max-width: unset;
  }

  .sec-2 .sep {
    display: none;
  }

  .sec-2 .sec-2-inner {
    flex-direction: column;
  }

  .sec-2-icon .icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1em;
    margin-bottom: 1px;
  }

  .integrator-first-show-case {
    margin-bottom: 80px;
  }
}

/* https://stackoverflow.com/a/43529012/2999892 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  /* IE10+ CSS */
  .product-card {
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.8);
  }

  /* Work-around IE flexbox bug, see also https://stackoverflow.com/questions/39040118/flexbox-ie-11-overflow-issue */
  .sec-4-triple-images > * {
    min-width: 0%;
  }

  .advantage-body > * {
    min-width: 0%;
  }

  .imgs-grid > * {
    min-width: 0%;
  }

  .imgs-grid-2 {
    height: 400px;
    overflow: hidden;
  }
}

@supports (-ms-ime-align: auto) {
  .imgs-grid-2-2 > *,
  .imgs-grid-2 > * {
    min-width: 0%;
    min-height: 0%;
  }
}

@media screen and (max-width: 768px) {
  .sec-3 {
    display: none;
  }

  .sec-2-icon img {
    width: 24px;
    height: 24px;
  }

  .sec-2-icon > *:first-child {
    width: auto;
    margin-right: 10px;
  }
}

@media (max-width: 400px) {
  .sec-2 {
    font-size: 15px;
  }
}

@media (max-width: 800px) {
  /* FIXME */
  /* .imgs-grid-3 * { */
  /*   display: block !important; */
  /* } */
  /* .imgs-grid-3 img { */
  /*   box-sizing: border-box; */
  /*   display: inline-block !important; */
  /*   width: 50%; */
  /*   height: 200px; */
  /* } */
}