.content {
  width: 1100px;
  margin: 0 auto;
}

.button-group {
  margin-bottom: 24px;
}

.toggle-btn {
  color: rgba(0, 0, 0, 0.9);
  border-radius: 6px;
  padding: 10px 12px;
  background-color: #fff;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid #dcdcdc;
  font-size: 14px;
  margin-right: 16px;
}

.toggle-btn.act {
  color: #fff;
  border: 1px solid #0052D9;
  background-color: #0052D9;
}


.analyze-item {
  display: none;
}

.analyze-item.act {
  display: block;
}

.content-grid {
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}



.content-item {
  margin-bottom: 16px;
}


.content-img {
  width: 100%;
  height: 186px;
  position: relative;
}

.content-item .cover {
  width: 100%;
  height: 100%;
  display: block;
}

@media screen and (min-width: 1367px) and (max-width: 1550px) {
  .content-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .content-img {
    height: 217px;
  }
}

.official {
  position: absolute;
  left: -5px;
  top: 8px;
}

.item-text {
  margin-top: 14px;
}

.item-text h4 {
  color: rgba(0, 0, 0, 0.9);
  font-family: "PingFang SC";
  font-size: 16px;
  font-style: normal;
  font-weight: 600;
  line-height: 24px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.content-stats {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  align-items: center;
}

.deadline {
  font-size: 14px;
  line-height: 22px;
  color: rgba(0, 0, 0, 0.4);
}

.callfor {
  display: flex;
  padding: 2px 8px;
  align-items: center;
  gap: 8px;
  border-radius: 3px;
  border: 1px solid #E37318;
  background: #FFF1E9;
  color: #e37318;
}

.join {
  display: flex;
  padding: 5px 16px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  align-self: stretch;
  border-radius: 3px;
  border: 1px solid #0052D9;
  color: #0052D9;
  margin-top: 14px;
  cursor: pointer;
}