.event {
  padding: 0 0 20px;
}

.event ul {
  padding: 10px 0;
  background: url(../images/event_w.png) repeat-y 0 0;
}

.event ul li {
  display: flex;
  align-items: flex-start;
  margin: 0 0 5px;
  color: #000;
}

.event-li-time {
  order: 1;
  width: 100px;
  flex-shrink: 0;
  margin: 8px 0 0;
  padding: 0 0 2px 5px;
  font: 400 14px/30px "微软雅黑";
  background: url(../images/event_right.png) no-repeat right bottom/100px;
}

.event-li-title {
  order: 2;
  padding-left: 5px;
  font: 400 14px/24px "微软雅黑";
}

@media (min-width: 1200px) {
  .event {
    padding: 0 0 50px;
  }
  .event ul {
    padding: 20px;
    background: url(../images/event_w.png) repeat-y center 0;
  }
  .event ul li {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 0 50% 0 0;
    color: #000;
    text-align: right;
  }
  .event ul li:nth-child(2n) {
    justify-content: flex-start;
    padding: 0 0 0 50%;
    text-align: left;
  }
  .event-li-time {
    order: 2;
    width: 135px;
    flex-shrink: 0;
    margin: 8px 0 0;
    padding: 0 10px 5px 0;
    font: 400 16px/30px "微软雅黑";
    text-align: right;
    background: url(../images/event_left.png) no-repeat right bottom;
  }
  .event ul li:nth-child(2n) .event-li-time {
    order: 1;
    margin: 8px 0 0;
    padding: 0 0 5px 20px;
    font: 400 16px/30px "微软雅黑";
    text-align: left;
    background: url(../images/event_right.png) no-repeat 0 bottom;
  }
  .event-li-title {
    order: 1;
    padding-right: 10px;
    font: 400 16px/30px "微软雅黑";
  }
  .event ul li:nth-child(2n) .event-li-title {
    order: 2;
  }
}