:root {
  /* 文章标题 */
  --font-title-base: 28px;
  /* 文章内容 */
  --font-text-base: 16px;
  /* 副标题 */
  --font-sub-title-base: 22px;
}


.online-exhibition-header {
  margin-bottom: 28px;
}

/* 文章标题区域样式 */
.online-exhibition-header .online-exhibition-title {
  font-weight: 600;
  font-size: var(--font-title);
  color: #111111;
}

.online-exhibition-line {
  position: relative;
  width: calc(100% - 23px);
  height: 1px;
  margin: 10px 0 10px 5px;
  background-color: #d9d9d9;
}


.online-exhibition-line::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -5px;
  width: 6px;
  height: 6px;
  background-image: url('../../image/icon/icon-online-exhibition-line-left.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.online-exhibition-line::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: -18px;
  width: 20px;
  height: 20px;
  background-image: url('../../image/icon/icon-online-exhibition-line-right.svg');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.online-exhibition-content {
  display: flex;
  gap: 24px;
  margin: 38px 0 40px;
}

.online-exhibition-content .online-exhibition-content-cover {
  flex-shrink: 0;
  width: 41%;
}

.online-exhibition-content .online-exhibition-content-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.online-exhibition-content .online-exhibition-content-detail {
  flex: 1;
  min-width: 0;
  color: #444;
  text-align: justify;
  font-size: var(--font-text);
  font-weight: 400;
  line-height: 30px;
}

.online-exhibition-content .online-exhibition-content-detail a {
  color: #156bbc;
}


.online-exhibition-content .online-exhibition-content-detail-link {
  position: relative;
  padding-right: 22px;
  color: #1A6BB7;
  text-align: justify;
  font-size: var(--font-text);
  font-weight: 300;
  line-height: 28px;
  font-style: italic;
  text-decoration-line: underline;
  text-decoration-style: solid;
  text-decoration-skip-ink: auto;
  text-decoration-thickness: auto;
  text-underline-offset: auto;
  text-underline-position: from-font;
}

.online-exhibition-content .online-exhibition-content-detail-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background-image: url('../../image/icon/icon-arrow-blue.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  transform: translateY(-50%);
  transition: all 0.3s;
}

.online-exhibition-content .online-exhibition-content-detail .online-exhibition-content-detail-link:hover::after {
  transform: translateY(-50%) translateX(5px);
}

.online-exhibition-block {
  margin: 18px 0 50px;
}

.online-exhibition-block:nth-last-of-type(2) {
  margin-bottom: 40px;
}

.online-exhibition-block .online-exhibition-block-title {
  margin-bottom: 24px;
  color: #000;
  font-size: var(--font-sub-title);
  font-weight: 600;
  line-height: normal;
}

.online-exhibition-block .online-exhibition-block-content {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  width: 100%;
}

.online-exhibition-block .online-exhibition-block-content-item>a {
  display: block;
  width: 100%;
  height: 100%;
}

.online-exhibition-block .online-exhibition-block-content-item>a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 1440px) {
  :root {
    --font-title-base: 26px;
    /* 副标题 */
    --font-sub-title-base: 18px;
  }

  .online-exhibition-block .online-exhibition-block-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .online-exhibition-header {
    margin-bottom: 21px;
  }

  .online-exhibition-content {
    flex-direction: column;
    gap: 16px;
  }

  .online-exhibition-content .online-exhibition-content-cover {
    width: 100%;
  }

  .online-exhibition-block {
    margin: 18px 0 40px;
  }
}