.rel {
  position: relative;
}
.abs {
  position: absolute;
}
.fixed {
  position: fixed;
}
.flex {
  display: flex;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}
.hide {
  display: none;
}
.bold {
  font-weight: 700;
}
.txt-center {
  text-align: center;
}
.txt-left {
  text-align: left;
}
.txt-right {
  text-align: right;
}
.flex {
  display: flex;
}
.flex-wrap {
  flex-flow: wrap;
}
.box-shadow {
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
.transition {
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.banner-section .swiper-wrapper .swiper-slide {
  height: 37.375rem;
}
.banner-section .swiper-wrapper .swiper-slide .banner-info {
  text-align: center;
}
.banner-section .swiper-wrapper .swiper-slide .banner-info img {
  width: 323px;
  height: 30px;
  object-fit: cover;
  margin-top: 3.75rem;
}
.banner-section .swiper-wrapper .swiper-slide .banner-info .name {
  font-size: 3.75rem;
  font-weight: 700;
  color: #000;
  margin-bottom: 2.25rem;
}
.banner-section .swiper-wrapper .swiper-slide .banner-desc {
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: #333;
  width: 43.75rem;
  margin: 0 auto;
  text-indent: 3.125rem;
  letter-spacing: 1px;
  text-align: center;
}
.banner-section .swiper-scroller {
  position: absolute;
  left: 59px;
  bottom: 54px;
  width: 21.6875rem;
  height: 9.0625rem;
  z-index: 15;
}
.banner-section .swiper-scroller .swiper-scroller-list {
  position: relative;
  padding-left: 1.375rem;
}
.banner-section .swiper-scroller .swiper-scroller-list:before {
  content: '';
  display: inline-block;
  width: 2px;
  height: 0.9375rem;
  background: #fff;
  position: absolute;
  left: 0;
  top: 4.5625rem;
  z-index: 15;
}
.banner-section .swiper-scroller .swiper-scroller-list li {
  margin-bottom: 14px;
}
.banner-section .swiper-scroller .swiper-scroller-list li a {
  color: #fff;
  font-size: 0.875rem;
  letter-spacing: 1px;
}
.banner-section .swiper-scroller .swiper-scroller-list li:first-child a,
.banner-section .swiper-scroller .swiper-scroller-list li:nth-child(5) a {
  opacity: .5;
}
.banner-section .swiper-scroller .swiper-scroller-list li:nth-child(2) a,
.banner-section .swiper-scroller .swiper-scroller-list li:nth-child(4) a {
  opacity: .8;
}
.banner-section .swiper-scroller .swiper-scroller-list li:nth-child(3) a {
  opacity: 1;
  font-size: 1rem;
  font-weight: 700;
}
.index-pro-box {
  width: 100%;
  margin: 25px auto 0;
}
.index-pro-box ul {
  width: 100%;
  display: flex;
}
.index-pro-box ul li {
  flex: 0 0 18.75rem;
  width: 100%;
  margin-right: 1.5625rem;
}
.index-pro-box ul li:hover img {
  transform: scale(1.1);
}
.index-pro-box ul li:last-child {
  margin-right: 0;
}
.index-pro-box ul li a.img {
  display: block;
  height: 12.5625rem;
  overflow: hidden;
}
.index-pro-box ul li a.img img {
  width: 100%;
  height: 12.5625rem;
  object-fit: cover;
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.index-pro-box ul li .info {
  display: block;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  margin-top: 1.5625rem;
  margin-bottom: 5px;
  color: #000;
  font-size: 1.25rem;
  font-weight: 700;
}
.index-pro-box ul li .desc {
  color: #666;
  font-size: 0.875rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  margin-bottom: 1.875rem;
}
.know-btn {
  display: inline-block;
  width: 6.25rem;
  height: 2.0625rem;
  line-height: 2.0625rem;
  border-radius: 1.875rem;
  text-align: center;
  color: #000;
  font-size: 0.75rem;
  background: #e5e5e5;
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.know-btn i {
  display: inline-block;
  width: 0.8125rem;
  height: 5px;
  background: url(../images/icon-angle-right.png) no-repeat;
  margin-left: 0.4375rem;
  position: relative;
  top: -2px;
}
.know-btn:hover {
  background: #3d3a3a;
  color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  padding-left: 5px;
}
.know-btn:hover i {
  background: url(../images/icon-angle-right-active.png) no-repeat;
}
.floor-banner-box {
  width: 100%;
  height: 37.5rem;
  margin-top: 5.3125rem;
  text-align: center;
  color: #000;
  font-family: 微软正黑体;
  padding-top: 6.5625rem;
}
.floor-banner-box .name-desc {
  font-size: 2.25rem;
  letter-spacing: 2px;
}
.floor-banner-box .name {
  font-weight: 700;
  font-size: 3.75rem;
  letter-spacing: 2px;
}
.floor-banner-box .desc {
  color: #333;
  font-size: 1.125rem;
  line-height: 1.75rem;
  text-indent: 3.125rem;
  width: 32.6875rem;
  text-align: justify;
  margin: 2.1875rem auto 0;
  text-align: center;
}
.floor-banner-box.banner-box-2 {
  margin-top: 5.4375rem;
  padding-top: 7.5rem;
}
.banner-box-3 {
  width: 100%;
  height: 31.25rem;
  margin-top: 5.625rem;
  padding-top: 3.5rem;
  margin-bottom: 7.5rem;
  text-align: left;
  color: #fff;
  padding-left: 6.8125rem;
}
.banner-box-3 .name-desc {
  font-size: 3.75rem;
  font-weight: 700;
  letter-spacing: 2px;
}
.banner-box-3 .name {
  margin-bottom: 3.125rem;
  font-size: 1.875rem;
  letter-spacing: 8px;
}
.banner-box-3 .desc {
  margin-bottom: 5rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  width: 34.875rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-align: justify;
}
.index-mothey-box {
  width: 100%;
  margin: 25px auto 0;
}
.index-mothey-box ul {
  width: 100%;
  display: flex;
}
.index-mothey-box ul li {
  flex: 0 0 23.75rem;
  width: 100%;
  margin-right: 1.5625rem;
}
.index-mothey-box ul li:hover img {
  transform: scale(1.1);
}
.index-mothey-box ul li:last-child {
  margin-right: 0;
}
.index-mothey-box ul li a.img {
  display: block;
  height: 14.6875rem;
  overflow: hidden;
}
.index-mothey-box ul li a.img img {
  width: 100%;
  height: 14.6875rem;
  object-fit: cover;
  transition: all .3s ease;
  -webkit-transition: all .3s ease;
}
.index-mothey-box ul li .info {
  display: block;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  margin-top: 1.375rem;
  margin-bottom: 15px;
  color: #000;
  font-size: 1.25rem;
  font-weight: 700;
}