.title {
  text-align: center;
  font-size: 24px;
  font-family: Microsoft YaHei-Bold, Microsoft YaHei;
  font-weight: 700;
  color: #212121;
  margin-top: 40px;
  margin-bottom: 56px;
}

.static-image {
  width: 1920px;
  display: block;
  margin: 0px auto;
}

#projects_content {
  margin: 0px auto;
  width: 1200px;
}

.project-item {
  display: inline-block;
  width: 374px;
  text-decoration: none;
  text-align: center;
  margin: 0px;
}

.project-item:not(:nth-child(3n)) {
  margin-right: 34px;
}

.project-item .image {
  width: 374px;
  height: 244px;
}

.project-item .title {
  font-size: 24px;
  font-family: Microsoft YaHei-Bold, Microsoft YaHei;
  font-weight: 700;
  color: #212121;
  margin-top: 24px;
  margin-bottom: 48px;
}

.project-item .intro {
  font-size: 14px;
  font-family: Microsoft YaHei-Regular, Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 24px;
}

.project-item .button {
  width: 210px;
  height: 52px;
  border: 1px solid #D6353E;
  text-align: center;
  line-height: 52px;
  margin: 24px auto 40px auto;
}

.project-item:hover .title,
.project-item:hover .intro {
  color: #D6353E;
}

.project-item:hover .button {
  background: #D6353E;
  color: #fff;
}

#activity_content {
  margin: 0px auto;
  width: 1200px;
}

.activity-item {
  display: inline-block;
  position: relative;
  width: 374px;
  text-decoration: none;
  text-align: center;
  margin: 0px;
}

.activity-item:not(:nth-child(3n)) {
  margin-right: 36px;
}

.activity-item .image {
  width: 374px;
  height: 244px;
}

.activity-item .content {
  height: 48px;
  font-size: 14px;
  font-family: Microsoft YaHei-Regular, Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  line-height: 24px;
  height: 68px;
  margin-top: 24px;
}

.activity-item .modal {
  box-sizing: border-box;
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  height: 0px;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 14px;
  padding: 0px 33px;
  text-align: left;
  line-height: 24px;
  overflow: hidden;
}