:root{
    --max-height: calc(100vh - 70px);
    --font-weight: 700;
    --hover-color:#F04646;
    --custom-max-width: 1400px;
    --custom-min-padding: 40px;
    --header-left-height: 58px;
    --padding-left: calc(max((100% - var(--custom-max-width))/2, var(--custom-min-padding)));
}
.about-floor1, .about-floor2{
  width: 100%;
  overflow: hidden;
  height: var(--max-height);
  position: relative;
  display: flex;
  justify-content: center;
}
.about-floor1::after{
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  top:0;
  bottom: 0;
}
.about-floor1-picture{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.about-floor1-picture img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-floor1-content{
  max-width: 1100px;
  height: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-wrap: wrap;
  color: #fff;
  position: relative;
  z-index: 1;
}
.about-floor1-content .title{
  width: 100%;
  height: auto;
  font-size: 4.4vw;
  font-weight: var(--font-weight);
  margin-bottom: 56px;
}
.about-floor1-content .desc{
  width: 100%;
  font-size: 20px;
  line-height: 1.6;
}
.about-floor1-content .desc-short{
  width: 100%;
  height: auto;
  font-size: 29px;
  font-weight: var(--font-weight);
  line-height: 1.2;
  margin-bottom: 10px;
}
.about-floor2{
  height: var(--max-height);
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background-color: var(--hover-color);
}
.about-floor2-left{
  width: 48%;
  padding-left: var(--padding-left);
  padding-right: 60px;
  height: 100%;
  overflow: hidden;
  box-sizing: border-box;
  color: #fff;
  position: relative;
}
.about-floor2-left-con{
  width: 100%;
  height: auto;
  will-change: auto;
  transform: translateY(40vh);
  position: relative;
}
.about-floor2-top{
  width: 100%;
  height: 15vh;
  position: absolute;
  background-image: linear-gradient(180deg, #F04646 0%, rgba(240,70,70,0.00) 100%);
  top:0;
  left: 0;
  z-index: 1;
}
.about-floor2-bottom{
  width: 100%;
  height: 20vh;
  position: absolute;
  bottom:0;
  left: 0;
  background-image: linear-gradient(0deg, #F04646 0%, rgba(240,70,70,0.00) 100%);
  z-index: 1;
}
.about-floor2-right{
  width: 52%;
  height: 100%;
  will-change: auto;
}
.about-floor2-right-box{
  width: 100%;
  height: auto;
  overflow: hidden;
  transition: all 0.05s;
}
.right-box-img{
  width: 100%;
  height: var(--max-height);
}

.right-box-img img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-floor2-text{
  width: 100%;
  height: auto;
  box-sizing: border-box;
  padding-left: 32px;
  padding-bottom: 30vh;
  position: relative;
  margin-top: 2px;
  border-left:3px dashed #FCDADA;
}
.about-floor2-title{
   font-size: 4.1vw;
   font-weight: var(--font-weight);
   margin-bottom: 8vh;
}

.about-floor2-desc{
  font-size: 29px;
  line-height: 1.2;
  font-weight: var(--font-weight);
  margin-bottom: 10px;
}

.about-floor2-con{
  font-size: 20px;
  line-height: 1.5;
}
.about-floor2-text3{
  position: relative;
  padding-bottom: 0;
  border-left:3px dashed transparent;
}
.about-floor2-text3::after{
  content: "";
  position: absolute;
  top:2px;
  left:-3px;
  height: calc(var(--header-left-height) - 15px);
  border-left:3px dashed #FCDADA;
}

.about-floor2-text::before{
  content: "";
  position: absolute;
  top:4px;
  left:-3px;
  height: calc(var(--header-left-height) - 15px);
  border-left:3px solid #fff;
  z-index: 2;
}

@media (max-width:767px) {
  :root{
    --max-height: calc(100vh - 56px);
    --padding-left: 24px;
    --mobile-height: 35vh;
    --text-height: calc(var(--max-height) - var(--mobile-height));
  }
  .about-floor1{
    max-height: 600px;
  }
  .about-floor1-content .title{
    font-size: 35px;
    margin-bottom: 32px;
  }
  .about-floor1-content .desc-short{
    font-size: 19px;
    margin-bottom: 12px;
  }
  .about-floor1-content .desc{
    font-size: 16px;
    line-height: 1.5;
  }
  .about-floor2{
    justify-content:flex-start;
    flex-wrap: wrap;
    background-color: #fff;
  }
  .about-floor2-left{
    width: 100%;
    height: var(--text-height);
    padding-right: 24px;
    order: 2;
    color: #000;
  }
  .about-floor2-title{
    font-size: 35px;
    position: relative;
    margin-bottom: 6vh;
  }
  .about-floor2-desc{
    font-size: 20px;
    line-height: 1.2;
    font-weight: var(--font-weight);
  }
  .about-floor2-con{
    font-size: 16px;
    line-height: 1.6;
  }
  .about-floor2-text::after{
    border-left: none;
  }
  .about-floor2-text::before{
    border-left: none;
  }
  .about-floor2-title::after{
    position: absolute;
    content: "";
    left:-27px;
    top:0;
    bottom: 0;
    margin: auto;
    width: 3px;
    border-radius: 10px;
    height: 80%;
    background-color: #000;
  }
  .about-floor2-right{
    width: 100%;
    height: var(--mobile-height);
    padding: 0;
    overflow: hidden;
  }
  .about-floor2-text3::after{
    border-left:none;
  }
  .about-floor2-text{
    padding-bottom: 10vh;
    padding-left: 24px;
    border: none;
  }
  .about-floor2-top{
    height: 6vh;
    background-image: linear-gradient(180deg, #fff 0%, rgba(255,255,255, 0) 100%);
  }
  .right-box-img{
    height: 100%;
    height: var(--mobile-height);
    background-color: #ccc;
  }

}