.case .box {
  background: #EDF0F5 url('./home-bg-2.png') no-repeat bottom right;
  /*background-size: cover;*/
  padding: 15px 0 70px;
  opacity: 80%;
}

.case .box .main {
  padding-top: 40px;
}

.case .box .main .title {
  position: relative;
  text-align: center;
  padding-bottom: 7px;
}

.case .box .main .title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  border-radius: 2px;
  background: #2a82e4;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}

.case .box .main .title h2 {
  font-size: 42px;
  color: #000;
  font-weight: 500;
}

.case .box .main .title p {
  font-size: 18px;
  color: #999;
  margin-top: 8px;
}

.case .box .main .content {
  margin-top: 30px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.9);
  padding: 40px;
}

.case .box .main .content .tab {
  display: flex;
  gap: 1px;
  position: relative;
}

.case .box .main .content .tab::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
/*  border-top: 0 solid transparent;
  border-left: 13px solid transparent;
  border-right: 13px solid transparent;
  border-bottom: 13px solid #fff;*/
  position: absolute;
  left: 181px;
  bottom: 0;
  transform: translateX(-50%);
}

.case .box .main .content .tab.index-0::after {
  left: calc(25% / 2);
}

.case .box .main .content .tab.index-1::after {
  left: calc( 50% * (3 / 4));
}

.case .box .main .content .tab.index-2::after {
  left: calc( 75% * (5 / 6));
}

.case .box .main .content .tab.index-3::after {
  left: calc( 100% * (7 / 8));
}

.case .box .main .content .tab .item {
  flex: 1;
  height: 68px;
  line-height: 68px;
  background: #edf0f5;
  border: 1px solid #d1d1d1;
  text-align: center;
  font-size: 24px;
  color: #666;
  cursor: pointer;
}

.case .box .main .content .tab.active::after,
.case .box .main .content .tab.active .item {
  transition: all 0.3s linear;
}

.case .box .main .content .tab .item.active,
.case .box .main .content .tab .item:hover {
  background: #2a82e4;
  border: 1px solid #2a82e4;
  color: #fff;
}

.case .box .main .content .list {
  margin-top: 20px;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(4, 1fr);
}

.case .box .main .content .list .item .img {
  width: 100%;
  overflow: hidden;
  height: 13.8125rem;
}

.case .box .main .content .list .item .img img {
  max-width: 100%;
  max-height: 100%;
  transform: scale(1);
  transition: all 0.3s ease-in-out;
}

.case .box .main .content .list .item:hover .img img {
  transform: scale(1.1);
}

.case .box .main .content .list .item span {
  display: block;
  margin-top: 15px;
  font-size: 24px;
  color: #000;
  text-align: center;
}

/* 移动端 */
#app.mobile.case .box {
  padding: 0.15rem 0 0.5rem;
  background-size: 100%;
}

#app.mobile.case .box .container {
  padding: 0 0.2rem;
}

#app.mobile.case .box .main {
  padding-top: 0.3rem;
}

#app.mobile.case .box .title {
  padding-bottom: 0.07rem;
}

#app.mobile.case .box .title h2 {
  font-size: 0.42rem;
}

#app.mobile.case .box .title p {
  font-size: 0.18rem;
  margin-top: 0.08rem;
}

#app.mobile.case .box .title::after {
  width: 0.5rem;
  height: 0.03rem;
  border-radius: 0.02rem;
}

#app.mobile.case .box .main .content {
  margin-top: 0.3rem;
  border-radius: 0.12rem;
  padding: 0.4rem 0.2rem 0.3rem;
}

#app.mobile.case .box .main .content .tab {
  gap: 0.01rem;
}

#app.mobile.case .box .main .content .tab .item {
  width: 1.67rem;
  height: 0.68rem;
  line-height: 0.68rem;
  font-size: 0.24rem !important;
}

#app.mobile.case .box .main .content .tab.active::after,
#app.mobile.case .box .main .content .tab.active .item {
  /* transition: all 0.3s linear; */
  transition: all 0.3s ease-in-out;
}

#app.mobile.case .box .main .content .tab .item.active,
#app.mobile.case .box .main .content .tab .item:hover {
  border: 0.01rem solid #2a82e4;
}

#app.mobile.case .box .main .content .tab::after {
  border-left: 0.13rem solid transparent;
  border-right: 0.13rem solid transparent;
  border-bottom: 0.13rem solid #fff;
  left: 1.81rem;
}

#app.mobile.case .box .main .content .tab.index-0::after {
  left: calc(1.67rem * 0 + 0.835rem + 0.01rem * 0);
}

#app.mobile.case .box .main .content .tab.index-1::after {
  left: calc(1.67rem * 1 + 0.835rem + 0.01rem * 1);
}

#app.mobile.case .box .main .content .tab.index-2::after {
  left: calc(1.67rem * 2 + 0.835rem + 0.01rem * 2);
}

#app.mobile.case .box .main .content .tab.index-3::after {
  left: calc(1.67rem * 3 + 0.835rem + 0.01rem * 3);
}

#app.mobile.case .box .main .content .list {
  margin-top: 0.2rem;
  gap: 0.2rem;
  grid-template-columns: repeat(2, 1fr);
}

#app.mobile.case .box .main .content .list .item span {
  margin-top: 0.1rem;
  font-size: 0.24rem;
}

#app.mobile.case .box .main .content .list .item .img {
  width: 100%;
  overflow: hidden;
  height: 80%;
}