.ctn .tit {
  color: #222;
  font-weight: bold;
  text-align: center;
}
.ctn .page4 {
  padding: 50px 0 100px;
}
.ctn .page4 .list {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.ctn .page4 .list li {
  width: 31.87%;
  margin-bottom:30px;
}
.ctn .page4 .list li a {
  display: block;
  width: 100%;
  padding: 40px;
  border: 1px solid #dbdbdb;
  position: relative;
}
.ctn .page4 .list li a::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 5px;
  width: 0;
  background: #c72c31;
  transition: all 0.3s;
}
.ctn .page4 .list li a .time {
  color: #777;
}
.ctn .page4 .list li a .title {
  color: #222;
  font-weight: 600;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 3em;
  margin-top: 13px;
  transition: all 0.3s;
}
.ctn .page4 .list li a .des {
  margin-top: 25px;
  color: #777;
  -webkit-line-clamp: 6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.75;
  height: 10.5em;
}
.ctn .page4 .list li a i {
  display:block;
  color: #777;
  margin-top: 15px;
  transition: all 0.3s;
}
.ctn .page4 .list li a:hover::after {
  width: 100%;
}
.ctn .page4 .list li a:hover .title,
.ctn .page4 .list li a:hover i {
  color: #c72c31;
}
/* 125% */
@media screen and (max-width: 1440px) {
.ctn .page4 {
  padding: 30px 0 60px;
}
  .ctn .page4 .list li a {
    padding: 30px;
  }
}
/* 150 */
@media screen and (max-width: 998px) {
  .page4 {
    padding: 40px 0 60px;
  }
}
@media screen and (max-width: 768px) {
  .ctn .page4 .list {
    margin-top: 20px;
  }
  .ctn .page4 .list li a {
    padding: 15px;
  }
  .ctn .page4 .list li {
    width: 100%;
    margin-bottom: 15px;
  }
  .ctn .page4 .list li a .des {
    margin-top: 10px;
    display: block;
    height: auto;
  }
  .ctn .page4 .list li a i {
    display: block;
    margin-top: 10px;
  }
}
/*# sourceMappingURL=./bulletin.css.map */