.img-wrapper img {
  width: 100%;
}
.idea-box {
  width: 100%;
  margin: 2rem 0;
  display: flex;
  justify-content: space-between;
}
.idea-box .base-title-wrapper {
  width: 50%;
}
.idea-box .info-box {
  width: 50%;
  text-align: justify;
  font-size: 1.5rem;
  font-weight: 400;
  color: #00635A;
  padding: 1rem 2rem;
}
.Hline {
  height: 10px;
  width: 100%;
  background-color: #84D8D0;
}
.history-box {
  font-weight: 400;
  color: #00635A;
}
.history-box .years-box {
  display: flex;
  justify-content: center;
  width: 100%;
}
.history-box .years-box .year {
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  text-align: center;
  min-width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background-color: #84D8D0;
  font-size: 2.8rem;
}
.history-box .years-box .year div {
  width: 7.5rem;
  height: 7.5rem;
  line-height: 7.5rem;
  border-radius: 50%;
  border: 0.4rem solid #FFFFFF;
}
.history-box .years-box .text-box {
  height: 8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-size: 1.8rem;
  padding: 0 1.5rem;
}
.history-box .years-box .text-box div {
  line-height: 3rem;
}
.history-box .years-box .left-box {
  text-align: right;
}
.history-box .years-box .hidden-box {
  visibility: hidden;
}
.history-box .line-box {
  width: 8.5rem;
  margin: 0 auto;
}
.history-box .line-box .Vline {
  width: 2.5rem;
  height: 14.5rem;
  background-color: #84D8D0;
  margin: -4.5rem auto;
}
.history-box .line-box .Vline-last {
  height: 9rem;
}
.future-line {
  height: 4rem;
  margin-bottom: -4rem;
}
.future-line .line-box {
  width: 8.5rem;
  height: 5rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.future-line .line-box div {
  width: 2.5rem;
  height: 1.25rem;
  background-color: #84D8D0;
  margin: 0 auto;
}
.future-box {
  background-image: url(../imgs/beijing\ .png);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  align-items: center;
  text-align: center;
  padding-top: 5.5rem;
  padding-bottom: 2rem;
  font-weight: 400;
  color: #00635A;
}
.future-box .future-text {
  font-size: 2.5rem;
  line-height: 4rem;
}
.future-box .bottom-title {
  margin: 3rem 0;
  font-size: 3.6rem;
}
@media screen and (max-width: 800px) {
  .idea-box {
    width: 100%;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .idea-box .base-title-wrapper {
    width: 100%;
  }
  .idea-box .info-box {
    text-align: justify;
    width: 80%;
  }
  .history-box {
    margin-left: 2rem;
  }
  .history-box .years-box {
    display: flex;
    justify-content: flex-start;
    width: 100%;
  }
  .history-box .years-box .text-box {
    font-size: 2rem;
  }
  .history-box .years-box .left-box {
    display: none;
  }
  .history-box .years-box .hidden-box {
    visibility: visible;
  }
  .history-box .line-box {
    margin: 0;
  }
  .future-line {
    height: 4rem;
  }
  .future-line .content-box {
    margin-left: 2rem;
  }
  .future-line .content-box .line-box {
    margin: 0;
  }
}