body {
  padding: 0;
  margin: 0;
  min-height: 100vh;
  /* background: linear-gradient(to bottom, #a6b3df, #ffffff); */
  /* background-repeat: no-repeat; */
  background: #f9f9f9;
}

img {
  width: 100%;
  height: 100%;
  vertical-align: top;
}

.box {
  width: 1200px;
  margin: 0 auto;
}

.advertisement {
  margin-top: 10px;
  height: 112px;
}

.contitle {
  font-size: 40px;
  color: #155c93;
  font-weight: bold;
  margin-bottom: 35px;
  margin-top: 35px;
}

.list-item {
  background-color: white;
  padding: 20px;
  display: flex;
  border-bottom: 1px solid #e4e4e4;
  cursor: pointer;
}

.list-item .left {
  margin-right: 20px;
  width: 450px;
  height: 154px;
}

.list-item .right {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.list-item .right .title {
  font-size: 20px;
  line-height: 28px;
  color: #333333;
  font-weight: normal;
}

.list-item .right .con {
  font-size: 14px;
  line-height: 26px;
  margin-top: 10px;
  height: 52px;
  overflow: hidden;
}

.list-item .right a {
  display: inline-block;
  margin-right: 13px;
  color: #999999;
  text-decoration: none;
}

.list-item .right a:hover {
  color: #155c93;
}

@media screen and (max-width: 768px) {
  .box {
    width: auto;
    margin: 0 auto;
    padding: 10px;
  }

  .contitle {
    font-size: 20px;
    margin: 0;
    margin: 10px 0;
  }
  .list-item {
    /* border-top-left-radius: 5px; */
    /* border-bottom-left-radius: 5px; */
    border-radius: 5px;
  }
  .list-item .right .con {
    display: none;
  }

  .list-item .left {
    margin-right: 0 !important;
    width: 37%;
    height: auto;
  }
  .list-item .left img {
    border-radius: 5px;
  }
  .list-item .right {
    padding: 0 10px;
  }
  .list-item .right .title {
    font-size: 16px;
  }
  .list-item .right .title a {
    font-size: 16px;
    margin-right: 0;
    color: #333333;
  }
  .list-item .right .tag a {
    font-size: 12px;
  }

  .list-item {
    padding: 0;
    margin-bottom: 10px;
  }

  .list-item .left {
    margin-right: 10px;
  }
}

.pagination-box {
  padding: 20px 0;
  display: flex;
  justify-content: center;
}

ul.pagination {
  list-style-type: none;
  display: inline-block;
  padding: 0;
  margin: 0;
}

ul.pagination li {
  display: inline;
}

ul.pagination li a,
ul.pagination li span {
  color: black;
  float: left;
  padding: 8px 16px;
  text-decoration: none;
  transition: background-color 0.3s;
  border: 1px solid #ddd;
  margin: 0 4px;
  border-radius: 5px;
}

ul.pagination .active span {
  background-color: #2c3e50;
  color: white;
  border: 1px solid #2c3e50;
  cursor: default;
}
ul.pagination .disabled span {
  background-color: #acacac;
  color: #d1d7dd;
  cursor: no-drop;
}

ul.pagination li a:hover:not(.active) {
  background-color: #ddd;
}