.banner {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url(../images/about-banner.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.banner .infobox {
  display: flex;
  align-items: center;
  width: 80%;
  height: 100vh;
  margin: 0 auto;
}
.banner .infobox .left {
  width: 50%;
}
.banner .infobox .info {
  width: 50%;
}
.banner .infobox .info p {
  font-size: 24px;
  font-weight: 200;
  color: #fff;
}
.banner .infobox .info h4 {
  margin: 20px 0 60px 0;
  font-size: 54px;
  color: #ffffff;
  font-weight: 300;
}
.banner .infobox .info span {
  margin-top: 40px;
  font-size: 18px;
  color: #ffffff;
  font-weight: 200;
  text-align: right;
}
.banner .mouse-prompt {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%);
  animation: mouse 2s linear infinite;
}
.banner .mouse-prompt .icon-shubiao {
  color: #fff;
  opacity: 0.6;
  font-size: 24px;
}
.banner .mouse-prompt p {
  text-align: center;
  font-weight: 100;
  font-size: 16px;
  color: #fff;
  opacity: 0.6;
}
@keyframes mouse {
  0% {
    bottom: 30px;
    animation-timing-function: ease-in;
    opacity: 0;
  }
  25% {
    bottom: 25px;
    opacity: 0.8;
  }
  50% {
    bottom: 20px;
    opacity: 0.4;
  }
  75% {
    bottom: 15px;
    opacity: 0.1;
  }
  100% {
    bottom: 10px;
    animation-timing-function: ease-out;
    opacity: 0;
  }
}
.icon-yinhao {
  font-size: 26px;
  color: #1553a0;
}
h5 {
  font-size: 42px;
}
span {
  font-size: 18px;
  font-weight: normal;
  color: #555555;
  line-height: 36px;
}
p {
  font-size: 36px;
  color: #1553a0;
}
.brand-story {
  width: 100%;
  height: 1146px;
  position: relative;
  background: url(../images/about-bg1.png) center center no-repeat;
}
.brand-story .legend {
  display: flex;
  width: 80%;
  margin: 0 auto;
  padding-top: 100px;
}
.brand-story .legend .left {
  width: 50%;
  overflow: hidden;
  border-radius: 4px;
}
.brand-story .legend .left img {
  transition: all 0.8s;
  width: 100%;
}
.brand-story .legend .right {
  width: 50%;
  padding-top: 160px;
  padding-left: 80px;
}
.brand-story .legend .right img {
  padding-top: 10px;
}
.brand-story .legend .right .tittle {
  display: flex;
  align-items: center;
}
.brand-story .legend .right .tittle p {
  padding: 30px 0 16px 20px;
}
.brand-story .legend .right span {
  width: 60%;
  padding-top: 50px;
}
.brand-story img:hover {
  transform: scale(1.08);
}
.research {
  width: 100%;
  height: 1423px;
  position: relative;
  background: url(../images/about-bg2.png) center center no-repeat;
}
.research .introduce {
  width: 60%;
  margin: 0 auto;
  text-align: center;
}
.research .introduce p {
  padding: 10px 0 30px;
}
.research .box-one {
  margin: 0 auto;
  width: 80%;
  display: flex;
  padding-top: 120px;
}
.research .box-one .pic {
  height: 500px;
  width: 50%;
  overflow: hidden;
  border-radius: 6px 0 0 0;
}
.research .box-one .pic img {
  width: 100%;
  transition: all 0.6s;
}
.research .box-one .content {
  height: 500px;
  width: 50%;
  padding: 70px 100px;
  background: #fff;
  border-radius: 0 6px 0 0;
}
.research .box-one .content p {
  padding-bottom: 20px;
}
.research .box-two {
  margin: 0 auto;
  width: 80%;
  display: flex;
}
.research .box-two .pic {
  height: 500px;
  width: 50%;
  overflow: hidden;
  border-radius: 0 0 6px 0;
  display: flex;
  justify-content: center;
}
.research .box-two .pic img {
  width: 100%;
  transition: all 0.6s;
}
.research .box-two .content {
  height: 500px;
  width: 50%;
  padding: 70px 100px;
  background: #fff;
  border-radius: 0 0 0 6px;
}
.research .box-two .content p {
  padding-bottom: 20px;
}
.research .pic:hover img {
  transform: scale(1.1);
}
.concept {
  width: 100%;
  height: 1200px;
  position: relative;
  background: url(../images/about-bg3.png) center center no-repeat;
}
.concept .inheritance {
  position: relative;
  padding-top: 20px;
  text-align: center;
  height: 600px;
  background: url(../images/about-bgmountain.png) center center no-repeat;
}
.concept .inheritance img {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%);
}
.concept .text {
  text-align: center;
  padding-top: 100px;
}
.concept .text p {
  padding-top: 30px;
  color: #a5adcb;
}
.concept .text p span {
  color: #1553a0;
  font-size: 36px;
}
.concept img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
}
@media screen and (max-width: 1280px) {
  .banner {
    background-attachment: scroll;
  }
  .banner .infobox .info h4 {
    font-size: 30px;
  }
  .banner .infobox .info span {
    font-size: 16px;
  }
  .research {
    height: auto;
    background-color: #f8fbff;
  }
  .research .box-one {
    flex-direction: column;
  }
  .research .box-two {
    flex-direction: column;
  }
  .research img {
    object-fit: cover;
  }
  .research .pic {
    width: 100% !important;
  }
  .research .content {
    width: 100% !important;
  }
}
@media screen and (max-width: 992px) {
  p {
    font-size: 24px;
  }
  span {
    font-size: 16px !important;
    line-height: 30px;
  }
  h5 {
    font-size: 28px;
  }
  .banner {
    background-attachment: scroll;
  }
  .banner .infobox {
    width: 90%;
  }
  .banner .infobox p {
    font-size: 16px !important;
  }
  .banner .infobox h4 {
    font-size: 24px !important;
  }
  .banner .infobox .left {
    display: none;
  }
  .banner .infobox .info {
    width: 100%;
  }
  .brand-story {
    overflow: hidden;
  }
  .brand-story .legend {
    width: 90%;
    flex-direction: column;
  }
  .brand-story .legend .left {
    width: 100%;
    height: 500px;
  }
  .brand-story .legend .right {
    width: 100%;
    padding: 20px 0 20px 0;
  }
  .research {
    overflow: hidden;
    background-color: #f8fbff;
    height: auto;
  }
  .research .introduce {
    text-align: left;
    width: 90%;
  }
  .research .box-one {
    width: 90%;
    flex-direction: column;
  }
  .research .box-one .pic {
    display: flex;
    justify-content: center;
    width: 100%;
  }
  .research .box-one .content {
    height: auto;
    width: 100%;
    padding: 35px 30px;
  }
  .research .box-two {
    width: 90%;
    flex-direction: column-reverse;
  }
  .research .box-two .pic {
    width: 100%;
    justify-content: flex-start;
  }
  .research .box-two .content {
    height: auto;
    width: 100%;
    padding: 35px 30px;
    margin-bottom: 80px;
  }
  .research img {
    object-fit: cover;
  }
  .concept {
    overflow: hidden;
  }
  .concept .inheritance {
    width: 100%;
    margin: 0 auto;
  }
  .concept .inheritance span {
    display: block;
    width: 90%;
    margin: 0 auto;
  }
  .concept .inheritance img {
    width: 180px;
    height: 263px;
  }
  .concept .text p {
    font-size: 26px;
  }
  .concept .text p span {
    font-size: 26px !important;
  }
  .concept img {
    width: 60%;
  }
}