.zhuli-about_us {
  padding: clamp(30px, 4.166667vw, 80px) 0;
  position: relative;
}

.zhuli-about_us h1 {font-size: clamp(24px, 1.88vw, 36px);}


.zhuli-about_us .container {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center;
  position: relative;
  z-index: 20;
  padding: 0;
}
.zhuli-about_us .txt {
  -webkit-flex: 1;
  flex: 1;
  margin-right: 50px;
}
.zhuli-about_us .txt em {
  color: var(--color-primary);
  font-size: 24px;
}
.zhuli-about_us .txt h3 {
  color:var(--title-text-color);
  font-size: 40px;
  line-height: 1;
  font-family: var(--font-family);
  /* margin: 25px 0 0; */
}
.zhuli-about_us .txt .t {
  font-size: clamp(14px, 0.94vw, 18px);
  color: #595a59;
  line-height: 36px;
  margin: 30px 0 0;
}
.zhuli-about_us .txt .more {
  display: inline-block;
  margin: 35px auto 0 0;
  background: var(--color-primary);
  border-radius: 40px;
  font-size: clamp(14px, 0.89vw, 17px);
  color: #fff;
  text-align: center;
  padding: 10px 30px;
}
.zhuli-about_us .txt .more:hover {
  background: var(--color-second);
}

.zhuli-about_us .pic {
  width: 53%;
  position: relative;
  overflow: hidden;
  
  /* 锁定16:9固定比例，消除高度auto小数计算 */
  aspect-ratio: 16 / 9;
  font-size: 0;
  line-height: 0;
  /* 开启GPU统一渲染层，分层错位问题缓解 */
  transform: translateZ(0);
  backface-visibility: hidden;
}

.zhuli-about_us .pic video#bgvid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  display: block !important;
  object-fit: cover !important;
  transform: scale(1.02); /* 放大2%，完全盖住底部亚像素缝隙 */
  transform-origin: center center;
  background: transparent !important;
  border: 0 !important;
  /* 混合模式强制图层融合，消除分层黑边bug */
  mix-blend-mode: screen;
}

/* 移动端保持100%宽度 */
@media screen and (max-width: 991px) {
  .zhuli-about_us .pic {
    width: 100%;
  }
}
.zhuli-about_us .pic .swiper-slide > img {
  border-radius: 20px;
}

.zhuli-about_us .v {
  width: 100%;
  display: block;
  overflow: hidden;
  position: relative;
  border-radius: 20px;
}
.zhuli-about_us .v > img {
  transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
}
.zhuli-about_us .v:hover > img {
  transform: scale(1.03);
  -webkit-transform: scale(1.03);
}
.zhuli-about_us .v .play {
  position: absolute;
  z-index: 10;
  left: calc(50% - 57px);
  top: calc(50% - 57px);
}
.zhuli-about_us .v .play .box {
  width: 114px;
  height: 114px;
  background: #fff;
  border-radius: 50%;
  position: relative;
  z-index: 20;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-align-items: center;
  align-items: center;
}

.zhuli-about_us .v .play::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  background: rgba(236, 241, 246, 0.6);
  animation: scale1 2s linear infinite;
}
.zhuli-about_us .v .play::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  background: rgba(236, 241, 246, 0.2);
  animation: scale2 2s linear infinite;
}
.zhuli-about_us .v:hover::after {
  opacity: 1;
}

.zhuli-about_us .page {
  position: absolute;
  z-index: 20;
  bottom: 20px;
  left: 0;
  right: 0;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
  -webkit-align-items: center;
  align-items: center;
}

.zhuli-about_us .swiper-button-prev,
.zhuli-about_us .swiper-button-next {
  position: static;
  width: 56px;
  height: 56px;
  border-radius: 0;
  background: none;
  color: #fff;
  margin-top: 0;
  text-align: center;
}
.zhuli-about_us .swiper-button-prev::after,
.zhuli-about_us .swiper-button-next::after {
  display: none;
}
.zhuli-about_us .swiper-button-prev i,
.zhuli-about_us .swiper-button-next i {
  font-size: 35px;
  line-height: 56px;
  color: inherit;
}
.zhuli-about_us .swiper-button-prev:hover,
.zhuli-about_us .swiper-button-next:hover {
  color: var(--color-primary);
}
.zhuli-about_us .swiper-pagination-bullets {
  position: static;
  margin: 0 5px;
  width: auto;
}
.zhuli-about_us .swiper-pagination-bullet {
  height: 14px;
  width: 14px;
  margin: 0 9px;
  background: #fff;
  border-radius: 50%;
  opacity: 1;
}
.zhuli-about_us .swiper-pagination-bullet-active {
  background: transparent;
  border: 2px solid #21ab3c;
}

@media screen and (max-width: 1800px) {
  .zhuli-about_us .txt h3 {
    font-size: 56px;
  }
}

@media screen and (max-width: 1700px) {
  .zhuli-about_us .txt h3 {
    font-size: 54px;
  }
}

@media screen and (max-width: 1600px) {
  .zhuli-about_us .txt h3 {
    font-size: 50px;
  }
  .zhuli-about_us .pic {
    width: 50%;
  }
}

@media screen and (max-width: 1500px) {
  .zhuli-about_us .txt h3 {
    font-size: 48px;
  }
}

@media screen and (max-width: 1441px) {
  .zhuli-about_us .txt h3 {
    font-size: 46px;
  }
}

@media screen and (max-width: 1367px) {
  .zhuli-about_us .txt h3 {
    font-size: 44px;
  }
}

@media screen and (max-width: 1281px) {
  .zhuli-about_us .txt h3 {
    font-size: 40px;
  }

  .zhuli-about_us .txt .t {
    line-height: 28px;
    margin: 20px 0 0;
  }
  .zhuli-about_us .txt .more {
    margin: 30px auto 0 0;
  }
}

@media screen and (max-width: 991px) {
  .zhuli-about_us .txt h3 {
    font-size: 26px;
  }


  .zhuli-about_us .container {
    -webkit-flex-direction: column;
    flex-direction: column;
    padding: 0 15px;
  }
  .zhuli-about_us .txt {
    width: 100%;
    margin: 0 0 25px;
  }
  .zhuli-about_us .txt em {
    text-align: center;
    display: block;
    font-size: 20px;
  }
  .zhuli-about_us .txt h3 {
    display: block;
    text-align: center;
  }
  .zhuli-about_us .txt h3::after {
    display: noen;
  }
  .zhuli-about_us .txt .t {
    line-height: 26px;
    margin: 25px 0 0;
  }
  .zhuli-about_us .txt .t p ~ p {
    margin-bottom: 8px;
  }
  .zhuli-about_us .txt a.more {
    margin: 25px auto 0;
    text-align: center;
  }
  .zhuli-about_us .pic {
    width: 100%;
  }

  .zhuli-about_us .video {
    width: 100%;
  }
  .zhuli-about_us .video::after {
    background-size: 90px;
  }
}

@media screen and (max-width: 480px) {
  .zhuli-about_us .txt h3 {
    font-size: 22px;
  }
  .zhuli-about_us .txt .t {
    line-height: 22px;
    margin: 15px 0 0;
  }
}