.about_con {
  padding: 90px 0;
}
.form1 {
  background: #eeeeee52;
}
.home_about {
  background: #fff;
}
.about_con .title h3 {
  font-size: 42px;
  /*font-weight: 400;*/
  color: #434343;
  line-height: 58px;
  margin: 0;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 20px;
}
.about_con1, .about_con4 {
  background: #eee;
}
.about_con1 .con_one1 {
  padding: 15px;
}
.about_con1 {
  padding: 35px 0;
}
.breadcrumb_nav img {
  aspect-ratio: 1920/800;
  object-fit: cover;
}
.about_con1 .con_one {
  background: #fff;
  padding: 30px 20px;
  display: grid;
  justify-content: flex-start;
  border-radius: 10px;
}
.about_con1 .con_one img {
  width: auto;
  height: 50px;
  margin-right: 10px;
}
.about_con1 .con_one .title {
  font-size: 20px;
  font-weight: bold;
  color: #BB000E;
}
.about_con1 .con_one .text {
  font-size: 16px;
  font-weight: 400;
  color: #434343;
  line-height: 24px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  height: 3em;
}
.about_con2 .con_two1 {
  margin-bottom: 10px;
}
.about_con2 .con_two img {
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: 10px;
  overflow: hidden;
}
.about_con2 .con_two .title {
  font-size: 16px;
  font-weight: 400;
  color: #434343;
  line-height: 24px;
  text-align: center;
  margin-top: 10px;
}
.about_con3 {
  padding-bottom: 0;
  margin-bottom: -9vw;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 初始两列布局 */
  grid-gap: 10px;
  padding: 10px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4/3;
}
.gallery-item:nth-of-type(4) {
  transform: translateY(-50%);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
}
/*.gallery-item img:hover,.gallery-item1 img:hover{
    scale: 1.1;
}*/
.gallery-caption {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
}
/* 大小控制 */
.large {
  grid-column: span 2; /* 跨两列 */
}
.full {
  grid-column: span 2; /* 占据整行 */
}
.medium {
  grid-column: span 1;
}
.small {
  grid-column: span 1;
}
.small .gallery-caption {
  display: none;
}
.gallery1 {
  padding: 10px;
  display: flex;
  flex-wrap: wrap;
}
.gallery1 .group {
  display: flex;
  flex-wrap: wrap;
}
.gallery1 .group1 {
  width: 45%;
}
.gallery1 .group1 .gallery-item1 {
  width: 50%;
}
.gallery1 .group1 .gallery-item1:nth-of-type(1), .gallery1 .group2 .gallery-item1, .gallery1 .group3 .gallery-item1 {
  width: 100%;
}
.gallery1 .group2 {
  width: 21.5%;
}
.gallery1 .group3 {
  width: 33.5%;
}
.gallery-item1 {
  overflow: hidden;
  position: relative;
  border-radius: 8px;
  aspect-ratio: 4/3;
  padding: 5px;
}
.gallery-item1 img {
  width: 100%;
  border-radius: 8px;
  height: 100%;
  aspect-ratio: 4 / 3;
}
.about_con5_swiper .btn {
  padding-left: 0;
}
.about_con5_swiper .btn a {
  color: #BB000E;
  text-decoration: underline;
  font-size: 16px;
}
.about_con5_swiper .text {
  font-size: 16px;
  font-weight: 400;
  color: #717171;
  line-height: 20px;
  margin-bottom: 20px;
}
.about_con5_swiper h2 {
  line-height: 27px;
  margin-bottom: 20px;
  min-height: 54px;
}
.about_con5_swiper h2 a {
  font-size: 22px;
  font-family: Arial;
  line-height: 25px;
  color: #222;
}
.about_con5_swiper h2 a:hover {
  color: #BB000E;
}
.about_con5_swiper .swiper-slide figure {
  border-radius: 30px;
}
.about_con5_swiper .about_con5_left {
  position: absolute;
  width: 45px;
  height: 112px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  left: 50px;
  top: 50%;
  transform: translateY(-100%);
  z-index: 9;
  color: #fff;
  line-height: 112px;
  text-align: center;
  font-size: 36px;
  cursor: pointer;
  transition: all 0.4s ease-out 0s;
}
.about_con5_swiper .about_con5_left:hover {
  background: #BB000E;
}
.about_con5_swiper .about_con5_right {
  position: absolute;
  width: 45px;
  height: 112px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
  right: 50px;
  top: 50%;
  transform: translateY(-100%);
  z-index: 9;
  color: #fff;
  line-height: 112px;
  text-align: center;
  font-size: 36px;
  cursor: pointer;
  transition: all 0.4s ease-out 0s;
}
.about_con5_swiper .about_con5_right:hover {
  background: #BB000E;
}
@media (max-width: 1000px) {
  .about_con3 {
    padding-bottom: 90px;
    margin-bottom: 0;
  }
  .gallery-item:nth-of-type(4) {
    transform: none;
  }
  .gallery1 .group1 {
    width: 100%;
  }
  .gallery1 .group2 {
    width: 40%;
  }
  .gallery1 .group3 {
    width: 60%;
  }
}
@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .about_con .container-auto {
    width: 750px;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
  }
}
@media screen and (min-width: 1440px) {
  .about_con .container-auto {
    padding: 0px 90px;
  }
}
@media screen and (max-width: 1024px) {
  .about_con .container-auto {
    width: auto;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
  }
}
@media screen and (max-width: 550px) {
  .about_con .container-auto {
    width: auto;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
  }
}