.glide {
  position: relative;
  overflow: hidden;
  z-index: 50;
}

.mySwiper{
  --swiper-theme-color: #fff;
  --swiper-pagination-color: #921d22;/* 两种都可以 */
  --swiper-navigation-size: 30px;/* 设置按钮大小 */
}

.glide__slide {
  width: 100%;
  /* height: calc(100vh - 80px); */
  display: flex;
  align-items: center;
  justify-content: center;
}

.glide__slide img,
.glide__slide video {
  width: 100%;
  object-fit: cover;
  object-position: center;
}

.slide__caption {
  position: absolute;
  z-index: 70;
  color: #fff;
  text-align: center;
  margin-top: -54px;
}

.glide__slide .backdrop {
  width: 38vw;
  background: rgba(242, 243, 245, 0.29);
  padding-top: 70px;
  padding-bottom: 50px;
}

.slide__caption .hr-top {
  width: 57px;
  height: 6px;
  margin: 0 auto;
  /* margin-bottom: 30px; */
  border: none;
  background: #fff;
}

.slide__caption h1 {
  line-height: 80px;
  margin-top: 30px;
  margin-bottom: 8px;
  font-size: 54px;
}

.slide__caption h3 {
  font-size: 32px;
  font-weight: 300;
}

.slide__caption .hr-bottom {
  width: 106px;
  height: 6px;
  margin: 0 auto;
  margin-top: 36px;
  border: none;
  background: #fff;
}

.glide__slide.glide_special {
  align-items: flex-end;
  /* justify-content: left; */
}

.caption_special {
  transform: translateY(-100%);
}

.glide__slide .caption_special .backdrop {
  width: 20vw;
  padding: 10px 18px;
}

.caption_special h1 {
  font-size: 66px;
  color: #921d22;
}

.caption_special h3 {
  font-size: 18px;
  line-height: 38px;
  color: #fff;
  background-color: #921d22;
}

/* 关于我们 */
.about-us {
  width: 100%;
  /* min-height:600px; */
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.about-us .about-us-text {
  padding-top: 150px;
  text-align: center;
}

.about-us .about-us-text h2 {
  display: inline-block;
  margin-bottom: 3.1rem;
  margin-left: 1rem;
  padding-bottom: 1rem;
  padding-right: 1rem;
  font-size: 1.87rem;
  border-bottom: 8px solid var(--primary-color);
}

.about-us .about-us-text .intro {
  background: #F2F3F5;
  text-align: left;
  padding-left: 20vw;
  padding-bottom: 60px;
}

.intro-text {
  /* width: 26vw; */
  max-width: 520px;
  padding-top: 40px;
  padding-bottom: 66px;
  padding-right: 28px;
  line-height: 1.8rem;
  color: #333;
}

.intro-text p {
  text-indent: 1.8rem;
}

.intro-text img {
  display: none;
  border-radius: 3px;
}

.about-us .about-us-text .button {
  display: inline-block;
  margin-bottom: 76px;
  text-align: center;
  font-size: 14px;
}

.about-us .about-us-text .button a {
  display: inline-block;
  padding: 0 20px;
  line-height: 42px;
  color: #fff;
  background: var(--primary-color);
  border-radius: 4px;
}

.about-us .bgc {
  /* min-height: 690px; */
  position: relative;
  padding-left: 1.5vw;
}

.about-us .bgc>img {
  /* width: 640px; */
  max-width: 870px;
  position: absolute;
  top: 126px;
  right: 0;
  display: inline-block;
  width: 42vw;
  z-index: 2;
}

.bgc .btn {
  float: left;
  width: 45px;
  height: 45px;
  margin-top: 311px;
  margin-right: 2rem;
  text-align: center;
  color: #fff;
  background: var(--primary-color);
  border-radius: 50%;
}

.bgc .btn img {
  width: 16px;
  padding-top: 9px;
}

.bgc .red-div {
  position: absolute;
  top: 0;
  left: 18.6vw;
  width: 12.6vw;
  max-width: 200px;
  height: 100%;
  background: var(--primary-color);
  z-index: 1;
}


/* 主营项目 */
.main-project {
  width: 100%;
  position: relative;
  background-image: url(../image/robot.jpg);
  background-size: cover;
  background-position: center;

  display: flex;
  justify-content: center;
  align-items: center;
}

.area {
  width: 66.2vw;
  /* height: 66.85vh; */
  margin: 4.8vw 0;
  padding-top: 1rem;
  padding-bottom: 2.8em;
  text-align: center;
  background: rgba(255, 255, 255, 0.69);
  border-radius: 4px;
}

.area h2,
.advantage-right h2 {
  display: inline-block;
  /* margin-top: 0.2rem; */
  margin-bottom: 2.8rem;
  padding: 1rem;
  font-size: 1.87rem;
  border-bottom: 8px solid var(--primary-color);
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 20px;
  row-gap: 20px;
  padding: 10px 30px;
}

.features .feature {
  min-width: 15vw;
  padding: 10px 20px;
  text-align: center;
}

.features .feature img {
  width: 4.2vw;
  min-width: 48px;
}

.features .feature h4 {
  color: #333;
  font-size: 1rem;
  margin-top: 1rem;
  margin-bottom: 0.6rem;
}

.features .feature p {
  /* width: 23vw; */
  max-width: 463px;
  margin: 0 auto;
  overflow: hidden;
  /* 将对象作为弹性伸缩盒子模型显示 */
  display: -webkit-box;
  /* 设置子元素排列方式 */
  -webkit-box-orient: vertical;
  /* 设置显示的行数，多出部分显示省略号 */
  -webkit-line-clamp: 3;
  font-size: 14px;
  line-height: 22px;
  color: #333;
}

.area .more a {
  display: inline-block;
  padding: 0 1em;
  margin-top: 12px;
  line-height: 38px;
  background: var(--primary-color);
  color: #fff;
  font-size: 14px;
  border-radius: 3px;
}

/* 产品优势 */
.advantage {
  background: #F2F3F5;
}

.advantage .advantage-right {
  max-width: 1180px;
  padding: 20px 10px 40px;
  margin: 0 auto;
}

.superiorities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 30px;
}

.advantage-right h2 {
  display: inline-block;
}

.superiority img {
  width: 3.8vw;
  min-width: 48px;
  max-width: 100%;
  display: inline-block;
}

.advantage .superiorities .superiority {
  /* height: 300px; */
  padding: 60px 36px 30px 50px;
  background: #FFF;
  /* border-radius: 6px; */
  /* background:linear-gradient(-150deg,transparent 1.5em, #fff  0); */


  /* Safari 5.1 - 6.0 */
  background:
    -webkit-radial-gradient(circle at top left,
    transparent 14px, #fff 0) top left,
    -webkit-radial-gradient(circle at right,
    transparent 30px, #fff 0) top right,
    -webkit-radial-gradient(circle at bottom right,
    transparent 0px, #fff 0) bottom right,
    -webkit-radial-gradient(circle at bottom left,
    transparent 0px, #fff 0) bottom left;
  /* Opera 11.6 - 12.0 */
  background:
    -o-radial-gradient(circle at top left,
    transparent 14px, #fff 0) top left,
    -o-radial-gradient(circle at right,
    transparent 30px, #fff 0) top right,
    -o-radial-gradient(circle at bottom right,
    transparent 0px, #fff 0) bottom right,
    -o-radial-gradient(circle at bottom left,
    transparent 0px, #fff 0) bottom left;
  /* Firefox 3.6 - 15 */
  background:
    -moz-radial-gradient(circle at top left,
    transparent 14px, #fff 0) top left,
    -moz-radial-gradient(circle at right,
    transparent 30px, #fff 0) top right,
    -moz-radial-gradient(circle at bottom right,
    transparent 0px, #fff 0) bottom right,
    -moz-radial-gradient(circle at bottom left,
    transparent 0px, #fff 0) bottom left;
  
  background:
    radial-gradient(circle at top left,
    transparent 14px, #fff 0) top left,
    radial-gradient(circle at right,
    transparent 30px, #fff 0) top right,
    radial-gradient(circle at bottom right,
    transparent 0px, #fff 0) bottom right,
    radial-gradient(circle at bottom left,
    transparent 0px, #fff 0) bottom left;
  background-size: 51% 51%;
  background-repeat: no-repeat; 

  -webkit-filter: drop-shadow(2px 2px 8px rgba(0, 0, 0, .2));
  filter: drop-shadow(2px 2px 8px rgba(0, 0, 0, .2));
}

/* .advantage .superiorities .superiority::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  background:
  linear-gradient(to left bottom,transparent 50%, rgba(255,255,255,.2) 0, rgba(254,254,254,.4)) 100% 0 no-repeat;
  width: 1.73em; height: 3em;
  transform: translateY(-1.3em) rotate(-30deg);
  transform-origin: bottom right;
  border-bottom-left-radius: inherit;
  box-shadow: -.2em .2em .3em -.1em rgba(0,0,0,.15);

} */

.superiority .super-right {
  margin-top: 22px;
}

.superiority .super-right .big{
  font-size: 24px;
}

.superiority .super-right span {
  line-height: 2rem;
}

.superiority .super-right p {
  margin-top: 4px;
  font-size: 14px;
  line-height: 23px;
  color: #666;
}

/* header变成fixed后页面向上平移*/
.sticky-trans {
  margin-top: 80px;
}
.open-trans {
  transform: translateY(80px);
}

@media (max-width: 1398px) {
  .about-us .about-us-text .intro {
    padding-left: 16vw;
  }
}

@media (max-width: 1280px) {
  .about-us .about-us-text .intro {
    padding-left: 12vw;
    padding-bottom: 30px;
  }
}


/* 1180以下宽度 */
@media (max-width:1180px) {
  .glide__slide .backdrop {
    width: 48vw;
    padding-top: 56px;
    padding-bottom: 50px;
  }

  .slide__caption h1 {
    font-size: 48px;
  }

  .slide__caption h3 {
    font-size: 30px;
  }

  .caption_special {
    transform: translateY(-60%);
  }

  .caption_special h3 {
    font-size: 18px;
  }

  .bgc .btn {
    display: none;
  }

  /* 关于我们 */
  .about-us .about-us-text h2,
  .area h2,
  .advantage-right h2 {
    margin-bottom: 2.8rem;
    font-size: 1.8rem;
    border-bottom: 7px solid var(--primary-color);
  }

  .about-us .about-us-text h2 {
    padding-bottom: 0.8rem;
  }

  .about-us .about-us-text {
    padding-top: 100px;
  }

  .intro-text {
    padding-top: 30px;
    padding-bottom: 36px;
  }

  .about-us .about-us-text .intro {
    /* padding-left: 13vw; */
    padding-bottom: 56px;
  }

  .about-us .about-us-text .button {
    margin-bottom: 16px;
  }

  .about-us .bgc>img {
    top: 56px;
  }

  .about-us .bgc>img {
    width: 45vw;
  }

  /* 主营项目 */
  .area {
    width: 74.2vw;
  }
  .features .feature img {
    width: 5.2vw;
  }

  .area h2 {
    padding: 0.8rem;
  }

  /* 产品优势 */

  .advantage .advantage-right {
    padding: 20px 20px 40px;
  }
  
}

@media(max-width: 992px) {
  /* 标题 */
  .slide__caption {
    margin-top: -18px;
  }

  .glide__slide .backdrop {
    width: 48vw;
    padding-top: 56px;
    padding-bottom: 50px;
  }
  
  .slide__caption h1 {
    margin-top: 22px;
    margin-bottom: 0;
    font-size: 48px;
  }
  
  .slide__caption h3 {
    font-size: 28px;
  }

  .caption_special {
    transform: translateY(-40%);
  }

  .caption_special h3 {
    line-height: 30px;
    font-size: 16px;
  }
  
  .slide__caption .hr-bottom {
    margin-top: 28px;
  }

  /* 主营项目 */
  .features .feature {
    padding: 10px 14px;
  }

  .features .feature img {
    width: 6.2vw;
    min-width: 54px;
  }
  
  .area {
    width: 78.2vw;
  }

  /* 关于我们 */
  .about-us {
    grid-template-columns: 0.8fr 1fr;
  }

  .about-us .about-us-text h2,
  .area h2,
  .advantage-right h2 {
    margin-bottom: 2.2rem;
    font-size: 1.6rem;
    border-bottom: 6px solid var(--primary-color);
  }

  .about-us .about-us-text .intro {
    padding-left: 4vw;
  }

  .about-us .about-us-text {
    padding-top: 60px;
  }  

  .intro-text {
    padding-top: 24px;
    padding-bottom: 28px;
  }

  .intro-text p {
    font-size: 14px;
  }

  .about-us .about-us-text .button {
    margin-bottom: 0;
    font-size: 14px;
  }
  
  .about-us .about-us-text .button a {
    line-height: 34px;
    padding: 0 18px;
  }

  /* 关于我们-图片 */
  .about-us .bgc {
    position: relative;
    padding-left: 0;
  }
  
  .about-us .bgc>img {
    top: 36px;
    right: 0;
    width: 50vw;
  }

  /* 产品优势 */
  .superiorities {
    margin-top: 10px;
    display: grid;
    grid-template-columns: unset;
    grid-template-rows: repeat(3, 1fr);
    row-gap: 28px;
  }

  .advantage .superiorities .superiority {
    display: grid;
    padding: 22px 36px;
    grid-template-columns: 1fr 5fr;
    column-gap: 8px;
  }
  
  .superiority .super-left {
    display: grid;
    place-items: center;
  }
  
  .superiority img {
    width: 2.92vw;
  }

  .advantage .advantage-right {
    padding: 20px 100px 40px;
    margin: 0 auto;
  }

  .advantage-right h2 {
    padding-bottom: 0.8rem;
    padding-right: 0.8rem;
    margin-bottom: 1.4rem;
  }

  .area .more a {
    line-height: 36px;
  }

  .superiority .super-right {
    margin-top: 10px;
  }
}

@media (max-width: 768px) {
  /* 标题 */
  .slide__caption {
    margin-top: -6px;
  }

  .glide__slide .backdrop {
    width: 58vw;
    padding-top: 40px;
    padding-bottom: 36px;
  }
  .slide__caption .hr-top {
    height: 5px;
  }

  .slide__caption h1 {
    margin-top: 16px;
    line-height: 70px;
    font-size: 42px;
  }
  
  .slide__caption h3 {
    font-size: 26px;
  }

  .caption_special h3 {
    font-size: 16px;
  }

  .caption_special {
    transform: translateY(-20%);
  }

  .glide__slide .caption_special .backdrop {
    width: 30vw;
  }
  
  .slide__caption .hr-bottom {
    height: 5px;
    margin-top: 22px;
  }

  /* 关于我们 */
  .about-us .about-us-text h2,
  .area h2,
  .advantage-right h2 {
    margin-bottom: 2rem;
    font-size: 1.5rem;
    border-bottom: 6px solid var(--primary-color);
  }

  .about-us .about-us-text h2 {
    padding-left: 0.8rem;
    margin-left: 0;
  }

  .about-us {
    display: unset;
    text-align: center;
  }

  .about-us .bgc {
    display: none;
  }

  .about-us .about-us-text {
    padding-top: 40px;
  }

  .intro-text {
    width: 100%;
    padding: 20px 30px 10px;
    margin: 0 auto;
    display: grid;
    grid-template-rows: 1fr 0.75fr;
    grid-template-columns: unset;
    row-gap: 10px;
    text-align: center;
  }

  .intro-text img {
    display: block;
  }

  .about-us .about-us-text .button {
    display: block;
    font-size: 14px;
  }
  
  .about-us .about-us-text .button a {
    padding: 0 18px;
    line-height: 32px;
  }

  .about-us .about-us-text .intro {
    padding-left: 10px;
    padding-right: 10px;
  }


  /* 主营项目 */
  .area {
    width: 100%;
    margin: 0;
    padding-left: 10px;
    padding-right: 10px;
  }
  
  .features {
    padding: 10px 8px;
  }

  .features .feature {
    padding: 10px 10px;
    text-align: center;
  }

  .features .feature img {
    width: 7.2vw;
    min-width: 54px;
  }

  .features .feature h4 {
    font-size: 16px;
  }

  .features .feature p {
    max-width: 320px;
  }

  .advantage .advantage-right {
    padding-right: 80px;
  }

}

@media (max-width: 576px) {
  .glide__slide img,
  .glide__slide video {
    height: 252px;
  }
  /* 标题 */
  .slide__caption {
    margin-top: -1px;
  }

  .glide__slide .backdrop {
    width: 64vw;
    padding-top: 20px;
    padding-bottom: 18px;
  }

  .slide__caption h1 {
    margin-top: 10px;
    line-height: 48px;
    font-size: 32px;
    font-weight: 500;
  }
  
  .caption_special {
    transform: translateY(-10%);
  }

  .slide__caption h3 {
    font-size: 20px;
  }

  .glide__slide .caption_special .backdrop {
    width: 50vw;
  }

  .caption_special h3 {
    line-height: 28px;
    font-size: 14px;
  }
  
  .slide__caption .hr-top {
    height: 3px;
  }
  .slide__caption .hr-bottom {
    height: 3px;
    margin-top: 12px;
  }

  /* 关于我们 */
  .about-us .about-us-text {
    padding-top: 32px;
  }

  .about-us .about-us-text h2,
  .area h2,
  .advantage-right h2 {
    margin-bottom: 1.3rem;
    font-size: 1.2rem;
    border-bottom: 4px solid var(--primary-color);
  }

  .about-us .about-us-text h2 {
    padding-bottom: 0.4rem;
  }

  .intro-text {
    grid-template-rows: 0.5fr 1fr;
  }

  /* 主营项目 */
  .area {
    width: 82vw;
    padding-top: 8px;
    margin: 4.8vw 0;
  }

  .area h2 {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
  }

  .features {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }

  .feature>article {
    text-align: center;
  }

  .features .feature img {
    width: 12vw;
  }

  .features .feature {
    text-align: center;
  }

  .features .feature h4 {
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .features .feature p {
    /* width: 48vw; */
    font-size: 12px;
    line-height: 19px;
  }

  /* 产品优势 */
  .advantage-right h2 {
    padding-bottom: 0.5rem;
  }

  .advantage .advantage-right {
    padding: 16px 32px 40px;
  }

  .superiority .super-right .big{
    font-size: 18px;
  }
  
  .superiority .super-right span {
    line-height: 1.8rem;
  }

  .superiorities {
    row-gap: 18px;
  }

  .advantage .superiorities .superiority {
    padding: 18px 26px;
  }

}

@media (min-width:2100px) {
  /* 标题 */
  .glide__slide .backdrop {
    width: 48vw;
    padding-top: 110px;
    padding-bottom: 90px;
  }

  .slide__caption .hr-top {
    width: 66px;
  }
  
  .slide__caption h1 {
    margin-top: 42px;
    margin-bottom: 22px;
    font-size: 58px;
  }
  
  .slide__caption h3 {
    font-size: 38px;
  }

  .caption_special h3 {
    line-height: 42px;
    font-size: 18px;
  }
  
  .slide__caption .hr-bottom {
    width: 116px;
    margin-top: 32px;
  }

  /* 关于我们 */
  .bgc .btn {
    width: 64px;
    height: 64px;
  }

  .about-us .bgc>img {
    max-width: 1040px;
    width: 42vw;
  }

  .intro-text {
    max-width: 512px;
    margin: 0 auto;
    text-align: justify;
    line-height: 2rem;
  }

  .bgc .btn img {
    width: 18px;
    padding-top: 16px;
  }

  .about-us .about-us-text .intro {
    padding-left: 22vw;
    text-align: center;
  }

  .about-us .about-us-text h2 {
    margin-left: 7vw;
  }

  /* 主营项目 */
  .area {
    width: 64.2vw;
    max-width: 1406px;
    margin: 4.8vw 0;
    padding-top: 20px;
  }

  .features .feature {
    min-width: 15vw;
    padding: 20px 62px;
    text-align: center;
  }

  .features .feature img {
    width: 3.8vw;
    max-width: 83px;
    min-width: 48px;
  }

  .features .feature h4 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.8rem;
    font-size: 18px;
  }

  .features .feature p {
    font-size: 15px;
    line-height: 25px;
  }
}