@charset "UTF-8";
/* 关于我们 */
.part.part-1 {
  padding-top: 74px;
  margin-bottom: 56px;
}
.part.part-1 .image-matrix {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 95%;
  margin: 0 auto;
}
.part.part-1 .image-matrix .image {
  width: 20%;
  height: auto;
  padding-top: 20%;
  position: relative;
}
.part.part-1 .image-matrix .image::after {
  content: "";
  display: block;
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  background-color: #f5f4f4;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: 1;
}
.part.part-1 .image-matrix .image img {
  z-index: 2;
  position: absolute;
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}
.part.part-2, .part.part-4 {
  margin: 40px auto;
  width: 95%;
}
.part.part-2 .part-item, .part.part-4 .part-item {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  background-color: #faf9f5;
  margin-bottom: 80px;
}
.part.part-2 .part-item:nth-child(even), .part.part-4 .part-item:nth-child(even) {
  flex-direction: row-reverse;
}
.part.part-2 .part-item .image-box, .part.part-4 .part-item .image-box {
  width: 66.66%;
  padding-top: 45%;
  position: relative;
  user-select: none;
}
.part.part-2 .part-item .image-box img, .part.part-4 .part-item .image-box img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
}
.part.part-2 .part-item .text-box, .part.part-4 .part-item .text-box {
  width: 33.33%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part.part-2 .part-item .text-box .center, .part.part-4 .part-item .text-box .center {
  width: 68%;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
}
.part.part-2 .part-item .text-box .center .title, .part.part-4 .part-item .text-box .center .title {
  font-size: 42px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: solid 3px #000000;
}
.part.part-2 .part-item .text-box .center .text, .part.part-4 .part-item .text-box .center .text {
  font-family: regular;
  font-weight: 400;
  font-size: 20px;
  color: #b3aea9;
  letter-spacing: 1px;
  margin: 0 auto;
}
.part.part-3 .full-bg-img {
  color: #ffffff;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4vh;
  text-align: center;
  background-size: cover;
  background-attachment: fixed;
  background-position: 50%;
  box-sizing: border-box;
  padding: 0 15px;
}
.part.history {
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  height: auto;
  padding: 40px 0;
}
.part.history .title {
  width: 100%;
  box-sizing: border-box;
  padding: 0 2.5% 40px;
  border-bottom: 2px solid #eee;
  font-size: 42px;
  letter-spacing: 2.5px;
  font-weight: bold;
  position: relative;
}
.part.history .title::after {
  content: "";
  display: block;
  width: 3em;
  height: 2px;
  background-color: #000;
  position: absolute;
  bottom: -2px;
  left: 2.5%;
}
.part.history .list {
  height: 80px;
  width: 95%;
  margin: 0 auto;
  font-size: 42px;
  letter-spacing: 2.5px;
  font-weight: bold;
}
.part.history .list .year {
  line-height: 80px;
  user-select: none;
  cursor: pointer;
}

@media screen and (max-width: 1600px) {
  .part.part-2 .part-item .text-box .center,
  .part.part-4 .part-item .text-box .center {
    width: 100%;
    padding: 0 4%;
    box-sizing: border-box;
    order: 1;
    align-items: flex-start;
    background: #faf9f5;
  }
}
@media screen and (max-width: 1200px) {
  .part.part-2 .part-item .text-box .center,
  .part.part-4 .part-item .text-box .center {
    width: 100%;
    padding: 0 20%;
  }
  .part.part-2 .part-item .text-box .center .title,
  .part.part-4 .part-item .text-box .center .title {
    font-size: 32px;
    margin-bottom: 20px;
    letter-spacing: 0;
  }
  .part.part-2 .part-item .text-box .center .text,
  .part.part-4 .part-item .text-box .center .text {
    font-size: 16px;
    line-height: 24px;
  }
}
@media screen and (max-width: 770px) {
  .def-banner .banner-img-box .banner-img {
    object-position: center right;
  }
  .part.part-2,
  .part.part-4 {
    width: 100%;
  }
  .part.part-2 .part-item,
  .part.part-4 .part-item {
    flex-direction: column;
    margin-bottom: 40px;
  }
  .part.part-2 .part-item:nth-child(even),
  .part.part-4 .part-item:nth-child(even) {
    flex-direction: column;
  }
  .part.part-2 .part-item .text-box,
  .part.part-4 .part-item .text-box {
    width: 100%;
  }
  .part.part-2 .part-item .text-box .center,
  .part.part-4 .part-item .text-box .center {
    width: 100%;
    padding: 50px 8% 30px;
    box-sizing: border-box;
    order: 1;
    align-items: flex-start;
    background: #faf9f5;
  }
  .part.part-2 .part-item .text-box .center .title,
  .part.part-4 .part-item .text-box .center .title {
    font-size: 30px;
    font-family: Medium;
    font-weight: 500;
    line-height: 44px;
  }
  .part.part-2 .part-item .text-box .center .text,
  .part.part-4 .part-item .text-box .center .text {
    font-size: 16px;
    line-height: 24px;
  }
  .part.part-2 .part-item .image-box,
  .part.part-4 .part-item .image-box {
    width: calc(100% - 40px);
    padding-top: calc(100% - 40px);
    margin: 0 auto;
    order: 2;
    overflow: hidden;
    text-align: center;
    position: relative;
  }
  .part.part-1 {
    margin-bottom: 20px;
  }
  .part.part-1 .image-matrix .image {
    width: 33.333%;
    padding-top: 33.333%;
  }
  .part.part-1 .image-matrix .image::after {
    width: calc(100% - 5px);
    height: calc(100% - 5px);
  }
  .part.part-2, .part.part-4 {
    margin-top: 20px;
  }
  .part.part-2 .part-item, .part.part-4 .part-item {
    margin-bottom: 0;
  }
  .part.history {
    padding-bottom: 0;
  }
  .part.history .title {
    width: 100%;
    box-sizing: border-box;
    padding: 0 7.5% 20px;
    border-bottom: 2px solid #eee;
    font-size: 24px;
    letter-spacing: 2.5px;
    font-weight: bold;
  }
  .part.history .title::after {
    left: 7.5%;
  }
  .part.history .list {
    width: 85%;
    height: 50px;
  }
  .part.history .list .year {
    font-size: 14px;
    line-height: 50px;
  }
}