.main {
  padding-top: 0px;
}

.banner {
  width: 100%;
  position: relative;
}

.banner .mySwiper {
  width: 100%;
}

.banner .banner_prc img {
  display: block;
  width: 100%;
  min-height: 230px;
  object-fit: cover;
}

.banner .banner_prc .phoImg {
  display: none;
}

.banner .swiper-button-next:after,
.banner .swiper-button-prev:after {
  font-size: 40px;
  color: #fff;
}

.aboutUs {
  width: 100%;
  background: #fff;
}

.aboutUs .aboutUs_cen {
  padding: 100px 0;
  background: url(../images/aboutUs_bj.jpg) no-repeat center top / 80% auto;
}

.aboutUs .aboutUs_title {
  font-size: 48px;
  line-height: 1;
  color: #000000;
  font-family: "HarmonyOS_Sans_Bold";
  text-align: center;
}

.aboutUs .aboutUs_text {
  font-size: 18px;
  line-height: 25px;
  color: #666666;
  font-family: "HarmonyOS_Sans_Regular";
  margin-top: 24px;
  text-align: center;
}

.aboutUs .aboutUs_prc {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 45px;
}

.aboutUs .aboutUs_prc .aboutUs_prcImg {
  width: 32.15%;
  aspect-ratio: 450/300;
}

.aboutUs .aboutUs_prc .aboutUs_prcImg img {
  display: block;
  width: 100%;
  min-height: 100%;
  object-fit: cover;
}

.aboutUs .aboutUs_more {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 60px;
}

.aboutUs .aboutUs_more a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #f47900;
  width: 200px;
  height: 60px;
  border-radius: 60px;
}

.classic {
  width: 100%;
  position: relative;
}

.classic .classic_top {
  width: 100%;
}

.classic .classic_top .mySwiper {
  width: 100%;
}

.classic .classic_top .classic_box {
  aspect-ratio: 1920/850;
  min-height: 850px;
  padding: 100px 0;
  max-width: 100%;
}

.classic .classic_top .classic_box .classic_boxCen {
  margin: 0 auto;
}

.classic_box .classic_boxCen .classic_title {
  font-size: 48px;
  line-height: 1;
  color: #fff;
  font-family: "HarmonyOS_Sans_Bold";
}

.classic_box .classic_boxCen .classic_text {
  margin-top: 30px;
  width: 750px;
  max-width: 100%;
  font-size: 18px;
  line-height: 30px;
  color: #fff;
  font-family: "HarmonyOS_Sans_Regular";
  min-height: 120px;
}

.classic_box .classic_boxCen .classic_more a {
  margin-top: 56px;
  width: 210px;
  height: 50px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #f47900;
  font-family: "HarmonyOS_Sans_Bold";
}

.classic .classic_btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%);
  z-index: 6;
}

.classic .classic_btn .classicBtn {
  width: 33.333%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  line-height: 1;
  font-family: "HarmonyOS_Sans_Bold";
  border-right: 1px solid #938c83;
  background: rgba(16, 28, 41, 0.7);
  transition: all 0.3s ease;
  color: #fff;
  cursor: pointer;
}

.classic .classic_btn .classicBtn:last-child {
  border-right: none;
}

.classic .classic_btn .classicBtn.act {
  background: rgba(244, 121, 0, 0.7);
}

.news {
  width: 100%;
  padding: 100px 0;
  background: #fff;
}

.news .news_title {
  text-align: center;
  font-size: 48px;
  line-height: 1;
  color: #000000;
  font-family: "HarmonyOS_Sans_Bold";
}

.news .news_bom {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.news .news_bom .news_box {
  width: 31.43%;
}

.news_box .news_prc {
  width: 100%;
  aspect-ratio: 440/240;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.news_box .news_prc img {
  display: block;
  width: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.news_box:hover .news_prc img {
  transform: scale(1.1);
}

.news_box .news_name {
  font-size: 24px;
  line-height: 32px;
  font-family: "HarmonyOS_Sans_Regular";
  color: #000000;
  margin-top: 15px;
  transition: all 0.3s ease;
}

.news_box:hover .news_name {
  color: #f47900;
}

.news_box .news_text {
  font-size: 15px;
  line-height: 22px;
  color: #808080;
  margin-top: 16px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  text-overflow: ellipsis;
  min-height: 33px;
}

.news_box .news_more {
  width: 80px;
  height: 30px;
  border-radius: 30px;
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f47900;
  font-size: 14px;
  line-height: 1;
  border: 1px solid #cccccc;
  transition: all 0.3s ease;
}

.news_box:hover .news_more {
  background: #f47900;
  border-color: #f47900;
  color: #fff;
}

.news .newsMore {
  display: flex;
  align-items: center;
  justify-content: center;
}

.news .newsMore a {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 50px;
  color: #fff;
  background: #f47900;
  width: 200px;
  height: 50px;
  border-radius: 50px;
  font-family: "HarmonyOS_Sans_Regular";
}

/* 响应式媒体查询 */
@media screen and (max-width: 1500px) {
  .aboutUs .aboutUs_cen {
    padding: 80px 0;
  }

  .classic .classic_top .classic_box {
    padding: 80px 0;
  }
}

@media screen and (max-width: 1300px) {

  .aboutUs .aboutUs_title,
  .classic_box .classic_boxCen .classic_title,
  .news .news_title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }

  .aboutUs .aboutUs_text {
    font-size: 16px;
  }

  .aboutUs .aboutUs_cen,
  .news {
    padding: 60px 0;
  }

  .aboutUs .aboutUs_more {
    margin-top: 40px;
  }

  .classic .classic_top .classic_box {
    padding: 60px 0;
  }

  .classic .classic_btn .classicBtn {
    font-size: 24px;
    height: 60px;
  }

  .classic .classic_top .classic_box {
    min-height: 700px;
  }

  .news .news_bom {
    margin-top: 36px;
  }

  .news .newsMore a {
    margin-top: 40px;
  }
}

@media screen and (max-width: 768px) {
  .aboutUs .aboutUs_prc .aboutUs_prcImg {
    width: 48%;
  }

  .classic .classic_top .classic_box {
    min-height: 500px;
  }

  .aboutUs .aboutUs_cen,
  .news {
    padding: 36px 0;
  }

  .classic .classic_top .classic_box {
    padding: 36px 0;
  }

  .news .news_bom .news_box {
    width: 48%;
    margin-bottom: 20px;
  }

  .news .news_bom {
    margin-top: 20px;
  }

  .news_box .news_name {
    font-size: 20px;
    line-height: 28px;
    margin-top: 12px;
  }

  .news_box .news_text {
    margin-top: 6px;
  }

  .news_box .news_more {
    margin-top: 8px;
  }

  .news .newsMore a {
    margin-top: 20px;
  }

  .aboutUs .aboutUs_text {
    margin-top: 10px;
  }


  .classic .classic_btn .classicBtn {
    font-size: 20px;
    height: 50px;
  }

  .aboutUs .aboutUs_prc {
    margin-top: 18px;
  }

  .aboutUs .aboutUs_prc .aboutUs_prcImg {
    margin-bottom: 16px;
  }

  .aboutUs .aboutUs_more {
    margin-top: 20px;
  }

  .aboutUs .aboutUs_more a {
    height: 40px;
  }

  .classic_box .classic_boxCen .classic_text {
    font-size: 16px;
    line-height: 24px;
    min-height: 96px;
  }

  .classic_box .classic_boxCen .classic_more a {
    margin-top: 21px;
    width: 210px;
    height: 40px;
  }
}

@media screen and (max-width: 480px) {

  .aboutUs .aboutUs_prc .aboutUs_prcImg,
  .news .news_bom .news_box {
    width: 100%;
  }

  .classic .classic_btn {
    flex-direction: column;
    bottom: 20px;
    min-height: auto;
  }

  .classic .classic_btn .classicBtn {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #938c83;
  }
}