body, html {
  background: #F5F5F5;
}
a {
  display: block;
  color: inherit;
  text-decoration: none;
  background-color: transparent;
}
.ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ellipsis-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ellipsis-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.content {
  width: 1440px;
  margin: 0 auto;
}
.culture {
  padding: 32px 0;
}
.row_1 {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.row_1 .item_large {
  width: 748px;
  height: 417px;
  background: #106845;
  display: flex;
  align-items: center;
}
.row_1 .item_large .coverimg {
  width: 502px;
  height: 417px;
  overflow: hidden;
}
.row_1 .item_large .info {
  flex: 1;
  height: 100%;
  padding: 0 16px 0 10px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.row_1 .item_large .title {
  font-family: Source Han Serif CN, Source Han Serif CN;
  font-weight: 600;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 24px;
}
.row_1 .item_large .timer {
  font-family: Source Han Sans, Source Han Sans;
  margin-top: 48px;
  font-weight: 400;
  font-size: 14px;
  color: #FEA900;
  line-height: 21px;
  text-align: right;
}
.row_1 .item_large .coverimg img {
  transition: .5s;
}
.row_1 .item_large:hover .coverimg img {
  transform: scale(1.1);
}
.row_1 .item {
  width: 330px;
  height: 417px;
  background-color: #FFFFFF;
  box-shadow: 2px 2px 4px 0px rgba(0,0,0,0.05);
}
.row_1 .item .coverimg {
  width: 100%;
  height: 280px;
  overflow: hidden;
}
.row_1 .item .info {
  width: 100%;
  height: 137px;
  padding: 16px;
  box-sizing: border-box;
}
.row_1 .item .title {
  font-family: Source Han Serif CN, Source Han Serif CN;
  font-weight: 600;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
}
.row_1 .item .timer {
  font-family: Source Han Sans, Source Han Sans;
  margin-top: 5px;
  font-weight: 400;
  font-size: 14px;
  color: #FEA900;
  line-height: 21px;
  text-align: right;
}
.row_1 .item .coverimg img {
  transition: .5s;
}
.row_1 .item:hover .coverimg img {
  transform: scale(1.1);
}
.row_1 .item:hover {
  background-color: #F1FFF8;
}
.row_1 .item:hover .title {
  color: #0D6B39;
}
.row_2 {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
}
.row_2 .item {
  width: 508px;
  height: 362px;
  border-top: 2px solid transparent;
  border-bottom: 2px solid transparent;
  box-shadow: 2px 2px 4px 0px rgba(0,0,0,0.05);
  background: #FFFFFF;
}
.row_2 .item .coverimg {
  width: 508px;
  height: 259px;
  overflow: hidden;
}
.row_2 .item .title {
  padding: 12px 20px 0 20px;
  box-sizing: border-box;
  font-family: Source Han Serif CN, Source Han Serif CN;
  font-weight: 600;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
}
.row_2 .item .coverimg img {
  transition: .5s;
}
.row_2 .item:hover .coverimg img {
  transform: scale(1.1);
}
.row_2 .item:hover {
  background: #F1FFF8;
  border-top: 2px solid #0D6B39;
  border-bottom: 2px solid #0D6B39;
}
.row_2 .item:hover .title {
  color: #0D6B39;
}
.row_2 .button {
  position: relative;
  width: 405px;
  height: auto;
}
.row_2 .button .title {
  width: 405px;
  height: 337px;
  padding: 106px 32px 0 32px;
  box-sizing: border-box;
  font-family: Source Han Serif CN, Source Han Serif CN;
  font-weight: 900;
  font-size: 30px;
  color: #333333;
  line-height: 45px;
  text-align: center;
  background: url(//portuguese.hebccw.cn/images/bg1.png) no-repeat;
  background-size: 100% 100%;
}
.row_2 .button .btn {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 276px;
  height: 89px;
  z-index: 2;
}
.waterfall {
  column-count: 4;
  column-gap: 10px;
}
.waterfall .item {
  width: 100%;
  margin-bottom: 20px;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
}
.waterfall .item .coverimg,
.waterfall .item .coverimg img {
  display: block;
  width: 100%;
  height: auto;
  overflow: hidden;
}
.waterfall .item .info {
  padding: 16px;
  background: #FFFFFF;
}
.waterfall .item .coverimg + .info {
  position: relative;
  margin: -42px 12px 0 12px;
  padding: 16px;
  background: #FFFFFF;
  z-index: 2;
}
.waterfall .item .info .title {
  font-family: Source Han Serif CN, Source Han Serif CN;
  font-weight: 600;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
}
.waterfall .item .info .timer {
  font-family: Source Han Sans, Source Han Sans;
  margin-top: 12px;
  font-weight: 400;
  font-size: 14px;
  color: #FEA900;
  line-height: 21px;
  text-align: right;
}

.waterfall .item:hover .info {
  background: #F1FFF8;
}
.waterfall .item:hover .title {
  color: #0D6B39;
}
.waterfall .item .coverimg img {
  transition: 0.5s;
}
.waterfall .item:hover .coverimg img {
  transform: scale(1.1);
}

/* ============ 移动端适配 ============ */
@media screen and (max-width: 768px) {
  .content {
    width: 100%;
    box-sizing: border-box;
    padding: 0 12px;
  }
  .culture {
    padding: 16px 0;
  }

  /* row_1：纵向堆叠 */
  .row_1 {
    flex-direction: column;
  }
  .row_1 .item_large {
    width: 100%;
    height: auto;
    flex-direction: column;
  }
  .row_1 .item_large .coverimg {
    width: 100%;
    height: auto;
  }
  .row_1 .item_large .coverimg img {
    height: auto;
  }
  .row_1 .item_large .info {
    width: 100%;
    height: auto;
    padding: 12px 16px;
    justify-content: flex-start;
  }
  .row_1 .item_large .timer {
    margin-top: 12px;
  }
  .row_1 .item {
    width: 100%;
    height: auto;
  }
  .row_1 .item .coverimg {
    height: auto;
  }
  .row_1 .item .coverimg img {
    height: auto;
  }
  .row_1 .item .info {
    height: auto;
    padding: 12px 16px;
  }

  /* row_2：纵向堆叠 */
  .row_2 {
    flex-direction: column;
  }
  .row_2 .item {
    width: 100%;
    height: auto;
    padding-bottom: 15px;
  }
  .row_2 .item .coverimg {
    width: 100%;
    height: auto;
  }
  .row_2 .item .coverimg img {
    height: auto;
  }
  .row_2 .button {
    position: relative;
    width: 100%;
    height: auto;
  }
  .row_2 .button .title {
    width: 100%;
    height: auto;
    padding: 40px 20px;
    box-sizing: border-box;
    font-size: 22px;
    line-height: 36px;
    background-size: 100% 100%;
  }
  .row_2 .button .btn {
    position: relative;
    width: 60%;
    height: auto;
    margin: 16px auto 20px;
    right: auto;
    bottom: auto;
  }

  /* 瀑布流：2 列 */
  .waterfall {
    column-count: 2;
    column-gap: 10px;
  }
}

@media screen and (max-width: 480px) {
  .row_2 .button .title {
    font-size: 20px;
    line-height: 30px;
    padding: 32px 16px;
  }
  .row_2 .button .btn {
    width: 70%;
  }
  /* 小屏手机：瀑布流单列 */
  .waterfall {
    column-count: 1;
  }
}<!--ecms sync check [sync_thread_id="a68f6e271be0d23e820cf6e61402aa0b" sync_date="2026-09-27 09:34:59" check_sum="a68f6e271be0d23e820cf6e61402aa0b  signature="#$enorth_signature_value$#"]-->