.deve-hist {
  margin-top: 6vh;
  text-align: center;
  color: rgba(51,51,51,1);
  font-size: 1.6rem;
}

.deve-blul {
  width: 2.92vw;
  height: 4px;
  margin: 1vh auto 8vh;
  background: rgba(34,63,129,1);
}

.year-list {
  text-align: center;
}

.year-item {
  display: inline-block;
  cursor: pointer;
}

.year-num {
  color: rgba(51,51,51,1);
  font-family: Arial;
}

.year-img {
  width: 9.69vw;
}

.year-active-img {
  display: none;
  width: 9.69vw;
}

.deve-texc {
  margin-top: 8vh;
  margin-bottom: 5vh;
  text-align: center;
}

.con-history {
  position: relative;
  display: inline-flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: flex-start;
}

.history-bgimg {
  position: absolute;
  left: 0;
  z-index: -1;
  align-self: center;
  width: 53.18vw;
}

.history-list {
  width: 53.18vw;
}

.history-item {
  display: none;
  height: 100%;
  padding-left: 5.89vw;
}

.active-history {
  display: block;
}

.con-hisi {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  min-height: 14vh;
}

.hist-marl {
  margin-left: 0.8vw;
  margin-right: 0.8vw;
  line-height: 1;
}

.history-icon {
  width: 1.2vw;
}

.hist-blul {
  position: relative;
  top: -0.9vw;
  width: 1px;
  height: 100%;
  margin: 0 auto;
  background: #223F81;
}

.history-date {
  /* min-width: 5.2em; */
  min-width: 7vw;
  max-width: 7vw;
  font-size: 1.5rem;
  font-weight: bold;
  font-family: Arial;
  color: rgba(34,63,129,1);
  line-height: 1.4;
}

.history-title {
  margin-bottom: 1vh;
  text-align: left;
  color: rgba(51,51,51,1);
  font-size: 1.2rem;
}

.history-deta {
  text-align: left;
  color: rgba(102,102,102,1);
}