.banner_box {
  padding: 0px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.banner {
  overflow: hidden;
}
.banner .a .imgBox:after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  height: 23vh;
}
.banner .a {
  display: block;
  position: relative;
  z-index: 1;
  overflow: hidden;
}
.banner .imgBox {
  overflow: hidden;
  width: 100%;
}
.banner .imgBox .img {
  /* padding-bottom: 100vh; */
  padding-bottom: 80vh;
  transition: 0s;
}
.banner.on ul li.swiper-slide-active .a .imgBox img,
.banner.on ul li.swiper-slide-duplicate-active .a .imgBox img,
.banner.on ul li.swiper-slide-prev .a .imgBox img {
  animation: sca 5s linear 0s normal both;
}
@keyframes sca {
  0% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}
.banner .top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  align-items: center;
}
.banner .top .wp {
  text-align: center;
}
.banner .top .wp h3 {
  font-size: 1rem;
  color: #fff;
  line-height: 1;
  text-transform: uppercase;
  font-family: "Heebo Medium";
  font-weight: normal;
}
.banner .top .wp h4 {
  font-size: 0.8rem;
  color: #fff;
  font-weight: bolder;
  line-height: 1;
  margin: 0.2rem 0 0.3rem;
}
.banner .top .wp h6 {
  font-size: 0.28rem;
  color: #fff;
  margin-bottom: 5vw;
}

.banner .li1 .a .imgBox:after {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.4) 100%
  );
}
.banner .li2 .a .imgBox:after {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 92, 161, 0.85) 100%
  );
}
.banner .li3 .a .imgBox:after {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 92, 161, 0.85) 100%
  );
}
.banner .li4 .a .imgBox:after {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 92, 161, 0.85) 100%
  );
}

.banner.on ul li.swiper-slide-active .top .wp h3 {
  animation: enter 1.2s forwards 0.1s;
}
.banner.on ul li.swiper-slide-active .top .wp h4 {
  animation: enter 1.2s forwards 0.2s;
}
.banner.on ul li.swiper-slide-active .top .wp h6 {
  animation: enter 1.2s forwards 0.3s;
}

@-webkit-keyframes enter {
  0% {
    opacity: 0;
    transform: translateY(1rem);
    -webkit-transform: translateY(1rem);
    -moz-transform: translateY(1rem);
    -ms-transform: translateY(1rem);
    -o-transform: translateY(1rem);
  }

  20% {
    opacity: 0;
    transform: translateY(1rem);
    -webkit-transform: translateY(1rem);
    -moz-transform: translateY(1rem);
    -ms-transform: translateY(1rem);
    -o-transform: translateY(1rem);
  }

  100% {
    opacity: 1;
    transform: translateY(0px);
    -webkit-transform: translateY(0px);
    -moz-transform: translateY(0px);
    -ms-transform: translateY(0px);
    -o-transform: translateY(0px);
  }
}

@keyframes enter {
  0% {
    opacity: 0;
    transform: translateY(1rem);
    -webkit-transform: translateY(1rem);
    -moz-transform: translateY(1rem);
    -ms-transform: translateY(1rem);
    -o-transform: translateY(1rem);
  }

  20% {
    opacity: 0;
    transform: translateY(1rem);
    -webkit-transform: translateY(1rem);
    -moz-transform: translateY(1rem);
    -ms-transform: translateY(1rem);
    -o-transform: translateY(1rem);
  }

  100% {
    opacity: 1;
    transform: translateY(0px);
    -webkit-transform: translateY(0px);
    -moz-transform: translateY(0px);
    -ms-transform: translateY(0px);
    -o-transform: translateY(0px);
  }
}

.slide-bbBox {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
}
.slide-bb ul li {
  width: 25%;
  padding: 0 0.4rem;
  position: relative;
  z-index: 1;
  height: 0.906rem;
  display: flex;
  align-items: flex-end;
}
.slide-bb ul li::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
 /* background: rgba(255, 255, 255, 0.4);*/
    background: linear-gradient(
    to bottom,
    transparent 60%,   
    rgba(0, 92, 161, 0.2) 75%,
    #005ca1 100% 
  );
  z-index: -1;
  transition: 0.5s;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
/*  backdrop-filter: blur(0.1rem); */
}
.slide-bb ul li .a {
  display: block;
  transition: 0.5s;
 transform: translateY(1.7rem); 
  width: 100%;
}
.slide-bb ul li .txt {
  padding: 0.16rem 0;
height: 2.56rem; 
}
.slide-bb ul li .line {
  width: 100%;
  height: 1px;
  position: relative;
  background: rgba(255, 255, 255, 0.5);
  transition: 0.5s;
}
.slide-bb ul li .txt h4 {
  font-size: 0.2rem;
  color: #fff!important;
  transition: 0.5s;
}
.slide-bb ul li .txt h6 {
  font-size: 0.14rem;
  color: #fff!important;
  text-transform: uppercase;
  margin: 0.04rem 0 0;
  transition: 0.5s;
}
.slide-bb ul li p {
  font-size: 0.14rem;
  color: #fff;
  line-height: 0.24rem;
  max-height: 0.72rem\0;
  margin: 0.2rem 0 0;
  opacity: 0.7;
}
.slide-bb ul li .txt .ll {
  flex: 1;
  overflow: hidden;
}
.slide-bb ul li .txt .a1 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 0.32rem;
  height: 0.32rem;
  background: #f8f3f0;
  border-radius: 50vw;
  margin: 0.1rem 0 0 0.2rem;
  font-size: 0.16rem;
  color: #005ca1;
  font-family: "lib";
  font-weight: 600;
  transition: 0.5s;
  opacity: 0;
  visibility: hidden;
}

.lines .line0 {
  position: absolute;
  width: 1px;
  height: 0;
  top: 0;
  background: rgba(255, 255, 255, 0.15);
  z-index: 1;
}
.lines .line1 {
  left: 25%;
}
.lines .line2 {
  left: 50%;
}
.lines .line3 {
  left: 75%;
}

.lines.on .line1 {
  height: 100%;
  transition: 2s 0s;
}
.lines.on .line2 {
  height: 100%;
  transition: 2s 2s;
}
.lines.on .line3 {
  height: 100%;
  transition: 2s 4s;
}

@keyframes lines1 {
  0% {
    height: 0;
  }
  25% {
    height: 100vh;
  }
  50% {
    height: 100vh;
  }
  75% {
    height: 100vh;
  }
  100% {
    height: 100vh;
  }
}
@keyframes lines2 {
  0% {
    height: 0;
  }
  25% {
    height: 0;
  }
  50% {
    height: 100vh;
  }
  75% {
    height: 100vh;
  }
  100% {
    height: 100vh;
  }
}
@keyframes lines3 {
  0% {
    height: 0;
  }
  25% {
    height: 0;
  }
  50% {
    height: 0;
  }
  75% {
    height: 100vh;
  }
  100% {
    height: 100vh;
  }
}

@media (min-width: 769px) {
 .slide-bb ul li .a:hover {
    transform: translateY(0);
  } 
  .slide-bb ul li:hover::before {
      /*height: 0.86rem;*/
height:100vh;
    opacity: 1;
    visibility: visible;
  }
  .slide-bb ul li .a:hover .txt h4,
  .slide-bb ul li .a:hover .txt h6 {
    color: #444444;
  }
  .slide-bb ul li .a:hover .line {
    background: #fff;
  }
  .slide-bb ul li .txt .a1:hover {
    background: #005ca1;
    color: #fff;
  }

  .slide-bb ul li .a:hover .txt .a1 {
    opacity: 1;
    visibility: visible;
  }
  /* .slide-bb ul li:nth-child(1) .a:hover .txt .a1 {
    transform: rotate(90deg);
  } */
}
@media (max-width: 769px) {
}
@media (max-width: 800px) {
}
@media (max-width: 769px) {
  .banner .imgBox .img {
    padding-bottom: 65%;
  }
  .banner .top .wp h3 {
    font-size: 8vw;
margin-top:1rem!important;
  }
  .banner .top .wp h4 {
    font-size: 7vw;
    margin: 0.1rem 0 0.15rem;
  }
  .banner .top .wp h6 {
    font-size: 4vw;
  }
  .slide-bb ul li {
    padding: 0 4px;
  }

  .slide-bb ul li .txt .a1 {
    display: none;
  }
  .slide-bb ul li .a {
    text-align: center;
    transform: translateY(2.1rem);
  }
  .slide-bb ul li .txt h4 {
    font-size: 0.18rem;
  }
  .slide-bb ul li .txt h6 {
    font-size: 0.1rem;
    display: none;
  }
  .slide-bb ul li p {
    display: none;
  }
  .slide-bb ul li .txt {
    padding: 0.1rem 0;
  }
  .banner .a .imgBox:after {
    height: 20vw;
  }
}
@media (max-width: 560px) {
}

.piaofu {
  opacity: 0;
  visibility: hidden;
  transition: 0.5s;
}
.piaofu.on {
  opacity: 1;
  visibility: visible;
}
.pat {
  margin: 0 !important;
}