.banner .swiper {
  width: 100%;

  height: 100vh; /* 高度设为视窗高度 */
}

.banner .swiper-slide video,
.banner .swiper-slide picture,
.banner .swiper-slide img {
  width: 100%;

  height: 100%;

  object-fit: cover; /* 无变形填充满DIV */
}

.banner .content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: flex-end; /* 水平靠右显示 */
  align-items: center; /* 垂直居中 */
}
.banner .content .wrap {
  display: flex;
  justify-content: flex-end; /* 水平靠右显示 */
  align-items: center; /* 垂直居中 */
}
.banner .content .cont-tit {
    display: flex;
  justify-content: center; 
  align-items: center; 
  flex-direction: column;
  flex: 1;
}
.banner .content h1 {
  font-size: 56px;
  color: #fff;
}

.banner .content h2 {
  font-size: 32px;
  color: #fff;
  margin: 10px 0 20px 0;
}

.banner .content .btn {
  background-color: #0e0e0e96;
  border-radius: 20px;
  color: white;

  padding: 10px 20px;

  font-size: 16px;

  border: none;

  cursor: pointer;
  font-family: 'MundialHair', sans-serif;
}

.banner .swiper-pagination-bullet {
  width: 48px;

  height: 3px;

  background: #ffffff4d;

  border-radius: 10px;

  opacity: 1;
}
.banner .swiper-pagination-bullet-active {
  width: 120px;
}

.banner .swiper-pagination-bullet-active i {
  display: block;

  width: 100%;

  height: 100%;

  border-radius: 10px;

  background: white;

  animation: progress 10s linear; /* 默认动画时间为10s */
}

@keyframes progress {
  from {
    width: 0;
  }

  to {
    width: 120px;
  }
}

.banner .autoplay-progress {
  position: absolute;

  right: 16px;

  bottom: 16px;

  z-index: 10;

  width: 48px;

  height: 48px;

  display: flex;

  align-items: center;

  justify-content: center;

  font-weight: bold;

  color: var(--swiper-theme-color);
}

.banner .autoplay-progress svg {
  --progress: 0;

  position: absolute;

  left: 0;

  top: 0px;

  z-index: 10;

  width: 100%;

  height: 100%;

  stroke-width: 4px;

  stroke: var(--swiper-theme-color);

  fill: none;

  stroke-dashoffset: calc(125banner 0.6px * (1 - var(--progress)));

  stroke-dasharray: 125banner 0.6;

  transform: rotate(-90deg);
}
.index-bigimg a{
     width: 100%;
  height: auto;
  overflow: hidden;
  display: block;
}
.index-bigimg img{
  width: 100%;
  height: auto;
  overflow: hidden;
  transition: transform 1s ease;
}
.index-bigimg  a:hover img{
  transform: scale(1.2);
  transition: transform 1s ease;
}
.index-img .box {
  position: relative;
  width: 100%;
  height: 640px;
  margin: 100px 0;
  background-color: #e9edf5;
  -webkit-border-radius: 28px;
  -moz-border-radius: 28px;
  border-radius: 28px;
  overflow: hidden;
}

.index-img .box .img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  z-index: 0;
  transition: transform 1s ease;
}
.index-img .box .img .imgbox{
  width: 100%;
  height: 100%;
}
.index-img .box .img img {
  width: 100%;
  height: 100%;
  transition: transform 1s ease;
}
.index-img .box .title {
  position: absolute;
  width: 50%;
  height: 100%;
  top: 0;
  right: 0;
  z-index: 1;
}
.index-img .box .title .titbox {
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 100%;
  align-items: center;
}
.index-img .box .title .titbox h3 {
  font-size: 36px;
  color: #3c3c3c;
}
.index-img .box .title .titbox p {
  font-size: 18px;
  color: #3c3c3c;
  margin-top: 10px;
  font-family: 'MundialHair', sans-serif;
}
.index-img .box .title .titbox .btn {
  border-radius: 20px;
  width: 100px;
  padding: 10px 20px;
  text-align: center;
  font-size: 16px;
  border: 2px solid rgb(65, 65, 65);
}
.index-img .box:hover img {
  transform: scale(1.2);

  transition: all 1s ease;
}

.index-hot {
  background-color: #e9edf5;
  padding: 40px 0;
}
.index-hot .toptit h3 {
  font-size: 36px;
  color: #3c3c3c;
  margin-bottom: 40px;
}
.index-hot .box {
  column-count: 3;
  column-gap: 30px;
  width:100%;
}
.index-hot .box > div {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #e9edf5;
  -webkit-border-radius: 28px;
  -moz-border-radius: 28px;
  border-radius: 28px;
  overflow: hidden;
  margin-bottom: 30px;
}
.index-hot .box div:nth-child(3) {
      aspect-ratio: auto;
      height: 0;
      padding-bottom: calc(150% + 30px);
      position: relative;
}
.index-hot .box .itembox,.index-hot .box .itembox a,
.index-hot .box .itembox .imgbox {
  width: 100%;
  height: 100%;
      display: block;
}
.index-hot .box div:nth-child(3) .itembox{
    position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
.index-hot .box .itembox .img {
  
  width: 100%;
  height: 100%;
  transition: transform 1s ease;
}
.index-hot .box .itembox .img img {
  height: 100%;
  transition: transform 1s ease;
}
.index-hot .box .itembox .title {
  position: absolute;
  width: 100%;
  height: 30%;
  left: 0;
  bottom: 0;
  z-index: 1;
}
.index-hot .titbox h3,.index-hot .titbox p {
  text-shadow: 1px 1px 2px #000;
  color: #fff;
  font-family: 'MundialHair', sans-serif;
}
.index-hot .box .itembox .title .titbox {
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 100%;
  align-items: center;
}
.index-hot .box .itembox:hover img {
  transform: scale(1.2);

  transition: all 1s ease;
}
.index-hot .box .hotitem:nth-child(even) .title {
  background-color: #fffffff7;
}
.index-hot .hotitem:nth-child(even) .titbox h3,.index-hot .hotitem:nth-child(even) .titbox p {
  text-shadow: none;
  color: #000;
}
.index-hot .box div:nth-child(3) .title {
  height: 15%;
}

.index-news {
  margin: 100px 0;
}
.index-news .newstit h3,
.index-project .project-tit h3,
.index-catalog  h3 {
  font-size: 35px;
  color: #3c3c3c;
  margin: 40px;
  text-align: center;
  text-transform: uppercase;
      font-weight: 100;
    font-family: 'MundialHair';
}
.index-news .swiper {
  width: 100%;
  height: 530px;
}
.index-news .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 10px;
  height: 486px;
  width: auto;
}
.index-news .news-slide,
.index-news .news-slide .slidebox,
.index-news .news-slide .slidebox .img,
.index-news .news-slide .slidebox .img .imgbox {
  width: 100%;
  height: 100%;
  -webkit-border-radius: 28px;
  -moz-border-radius: 28px;
  border-radius: 28px;
}
.index-news .news-slide,.index-news .news-slide .slidebox .img .imgbox {
  overflow: hidden;
}
.index-news .news-slide img {
  width: 100%;
  height: 100%;
}
.index-news .news-slide .slidebox .img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  z-index: 0;
  transition: transform 1s ease;
}
.index-news .news-slide .slidebox .title {
  position: absolute;
  width: 100%;
  height: 30%;
  background: linear-gradient( #ffffff00,#0303034d);
  left: 0;
  bottom: 0;
  z-index: 1;
  border-radius: 28px;
}
.index-news .news-slide .slidebox .title .titbox {
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 100%;
  align-items: center;
  padding: 20px;
}
.index-news .news-slide .slidebox .title h3{
  font-size: 30px;
  color: #fff; 
  text-align: center; 
  overflow:hidden;
}
.index-news .news-slide .slidebox .title p{
  font-size: 16px;
  color: #fff;
  font-family: 'MundialHair', sans-serif;
}

.index-news .swiper-pagination-bullet {
  width: 48px;

  height: 3px;

  background: #c7c7c7;

  border-radius: 10px;

  opacity: 1;
}
.index-news .swiper-pagination-bullet-active {
  width: 120px;
}

.index-news .swiper-pagination-bullet-active i {
  display: block;

  width: 100%;

  height: 100%;

  border-radius: 10px;

  background: #000;

  animation: progress 3s linear; /* 默认动画时间为10s */
}
.index-news .swiper-slide .slidebox .img .two,.index-news .swiper-slide:hover .slidebox .img .one{
  display: none;
}
.index-news .swiper-slide:hover .slidebox .img .two,.index-news .swiper-slide .slidebox .img .one{
  display: block;
}
.index-catalog{
  padding: 50px 0;
}
.index-catalog .catalog-list a{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap:100px;
}
.index-catalog .catalog-list a .imgbox,.index-catalog .catalog-list a .title{
  width:calc(50% - 50px);
}
.index-catalog .catalog-list a .imgbox{
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.index-catalog .catalog-list a .title{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.index-catalog .catalog-list a .title h4{
  font-size: 60px;
  color: #3c3c3c;
}
.index-catalog .catalog-list a .title p{
  padding: 60px 0;
} 
.index-catalog .catalog-list a .btn{
  width: fit-content;
  padding: 15px 20px;
  text-align: center;
  font-size: 16px;
  background: #e9edf5;
  transition: all 0.3s ease;
} 
.index-catalog .catalog-list a .btn i{
  padding-left: 10px;
}
.index-catalog .catalog-list a:hover .btn,.index-catalog .catalog-list a:hover .btn i{
  background-color: #000;
  color: #fff;
  
}

@media screen and (max-width: 1100px) {
 
  .banner .content .cont-tit{padding: 0 30px;}
  .index-img .box{ margin: 0;border-radius:0;        height: 500px;}
  .index-img .box .title{width: 60%;}
  .index-hot .box{
    column-count: 1;
    padding: 0 10px;
    box-sizing: border-box;
  }
  
  .index-hot .box .hotitem .title{    background-color: #fffffff7;}
  .index-hot .box div:nth-child(3) .title{height:calc(22.5vw - 4.5px);}
  .index-news .swiper-slide{margin: 0;height: 350px;}
  .index-news .swiper{height: 380px;}
  .index-news .news-slide .slidebox .title{height: 40%;}
  .index-news{margin:  0 10px 30px 10px}

}
@media screen and (max-width: 768px){
  .index-catalog .catalog-list a {
    flex-direction: column;
  }
  .index-catalog .catalog-list a .imgbox,.index-catalog .catalog-list a .title{
    width: 100%;
  }
}