.list-container {
  padding: 20px;
  background: #ffffff;
}

/* 这是包裹所有 column 的最外层 div */
.col-list {
  padding: 20px 40px;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
}

/* 为IE 10添加margin替代gap */
.col-list > * {
  margin-bottom: 20px;
}

.col-list > *:last-child {
  margin-bottom: 0;
}

.col-item .col-title {
  display: block;
  font-size: 22px;
  height: 50px;
  line-height: 50px;
  background: #f3f3f3;
  color: #333;
  padding: 0 20px;
}

/* 同理，list 是包裹所有 news 的最外层 div */
.col-list .news-list {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  padding-top: 6px;
}

/* 为IE 10添加margin替代gap */
.news-list > * {
  margin-bottom: 6px;
}

.news-list > *:last-child {
  margin-bottom: 0;
}

.col-list .news-item {
  display: -ms-flexbox;
  display: flex;
  padding: 0 12px;
  -ms-flex-align: center;
  align-items: center;
  height: 40px;
  font-size: 16px;
  color: #000;
  background: #f7f7f7;
}

.col-list .news-list .news-item:nth-of-type(2n) {
  background: #ffffff;
}

.news-item .news-title {
  -ms-flex: 1;
  flex: 1;
  color: #000;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-item .news-date {
  color: #9e9e9e;
}

.col-list .news-item::before {
  content: "";
  display: block;
  width: 8px;
  height: 2px;
  background: #000;
}

/* 手机端 */
@media screen and (max-width: 768px) {
  .list-container {
    padding: 0;
  }

  .col-list {
    padding: 20px;
  }
}