.zhuli-about_us {
  padding: 110px 0;
  position: relative;
}
.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;
}
.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: 60px;
  line-height: 1;
  font-family: var(--font-family);
  margin: 25px 0 0;
}
.zhuli-about_us .txt .t {
  font-size: 18px;
  color: #595a59;
  line-height: 36px;
  margin: 40px 0 0;
}
.zhuli-about_us .txt .more {
  width: 278px;
  height: 60px;
  line-height: 60px;
  display: block;
  margin: 55px auto 0 0;
  background: var(--color-primary);
  border-radius: 40px;
  font-size: 20px;
  color: #fff;
  text-align: center;
}
.zhuli-about_us .txt .more:hover {
  background: var(--color-second);
}

.zhuli-about_us .pic {
  width: 53%;
  position: relative;
}
.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 {
    padding: 80px 0;
  }
  .zhuli-about_us .txt .t {
    font-size: 16px;
    line-height: 28px;
    margin: 20px 0 0;
  }
  .zhuli-about_us .txt .more {
    width: 228px;
    height: 50px;
    line-height: 50px;
    margin: 30px auto 0 0;
    font-size: 18px;
  }
}

@media screen and (max-width: 768px) {
  .zhuli-about_us .txt h3 {
    font-size: 26px;
  }

  .zhuli-about_us {
    padding: 30px 0 10px;
  }
  .zhuli-about_us .container {
    -webkit-flex-direction: column;
    flex-direction: column;
  }
  .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 {
    font-size: 16px;
    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;
    font-size: 17px;
    display: block;
    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 {
    font-size: 14px;
    line-height: 22px;
    margin: 15px 0 0;
  }
}