.bossgoo-index-exhibition20 {
  width: 100%;
  background-color: var(--themeColor);
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  padding-bottom: 100px;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item {
  width: 32%;
  margin-right: 2%;
  margin-bottom: 2%;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box {
  width: 100%;
  height: 0;
  padding-bottom: 64%;
  position: relative;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-imgBox, .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-imgBox img, .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox img {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox {
  border: 1px solid #fff;
  box-sizing: border-box;
  flex-direction: column;
  padding: 0 20px;
  z-index: 1;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox .ex20-title {
  width: 100%;
  margin-bottom: 0;
  color: #333;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox .ex20-text {
  font-size: 18px;
  color: #333;
  margin-top: 50px;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox .ex20-link {
  display: none;
  width: 50%;
  line-height: 60px;
  text-align: center;
  font-size: 20px;
  color: #333;
  background-color: #fff;
  margin-top: 30px;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox::before {
  content: '';
  display: inline-block;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to top right, rgba(0, 0, 0, 0.1) 0, rgba(0, 0, 0, 0.1) 50%, transparent 50%, transparent 100%);
  position: absolute;
  left: 0;
  top: 0;
  z-index: -1;
}

.bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item:nth-child(3n) {
  margin-right: 0;
}

@media only screen and (max-width: 1440px) {
  .bossgoo-index-exhibition20 .wrap .exhibition20-box {
    padding-left: 20px;
    padding-right: 20px;
    box-sizing: border-box;
  }
}

@media only screen and (max-width: 1040px) {
  .bossgoo-index-exhibition20 .wrap .exhibition20-box {
    padding-bottom: .6rem;
  }
  .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item {
    width: 49%;
  }
  .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item:nth-child(3n) {
    margin-right: 2%;
  }
  .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item:nth-child(2n) {
    margin-right: 0;
  }
}

@media only screen and (max-width: 767px) {
  .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox .ex20-text {
    font-size: .28rem;
    margin-top: 10px;
  }
  .bossgoo-index-exhibition20 .wrap .exhibition20-box .exhibition20-item .ex20-box .ex20-titleBox .ex20-link {
    display: none;
  }
}

@media only screen and (max-width: 767px) {
  .bossgoo-com-item .ex20-title{
    font-size: .40rem;
    overflow: initial;
  }
}