.banner-top {
  display: flex;
  justify-content: space-between;
}
.banner-l {
  width: 45%;
  padding: 73px 42px;
  background: #eff1f6;
  position: relative;
  z-index: 1;
}
.banner-l h3 {
  font-weight: bold;
  font-size: 34px;
  color: #111111;
  margin-bottom: 25px;
}
.banner-l p {
  font-size: 16px;
  color: #000000;
  line-height: 30px;
}
.banner-l a {
  width: 190px;
  height: 55px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #1885ed;
  border-radius: 3px 3px 3px 3px;
  font-weight: bold;
  color: #ffffff;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  margin-top: 25px;
}
.banner-l a::before {
  content: "";
  position: absolute;
  width: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  left: 0;
  top: 0;
  transition: width 0.3s ease;
}
.banner-l a:hover::before {
  width: 100%;
}
.banner-l a img {
  margin-left: 10px;
  transition: transform 0.3s ease;
  -webkit-transition: transform 0.3s ease;
  -moz-transition: transform 0.3s ease;
  -o-transition: transform 0.3s ease;
  -ms-transition: transform 0.3s ease;
  position: relative;
  z-index: 1;
}
.banner-l a:hover img {
  transform: translateX(5px);
}
.banner-l a span {
  position: relative;
  z-index: 1;
}
.banner-r {
  flex: 1;
}

.banner-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  grid-gap: 20px;
  margin-top: 29px;
}
.banner-a {
  display: block;

  flex: 1;
  text-align: center;
}
.banner-a div {
  overflow: hidden;
  margin-bottom: 22px;
}
.banner-a img {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.5s ease;
}
.banner-a img:hover {
  transform: scale(1.1);
}
.banner-a span:hover {
  color: #1885ed;
}

.grey-box {
  margin-top: 75px;
  padding: 71px 0;
  background: #f6f8fe;
}
.title-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.title-box h3 {
  font-family: Source Han Sans CN, Source Han Sans CN;
  font-weight: bold;
  font-size: 34px;
  margin-bottom: 27px;
}
.title-box p {
  margin-bottom: 16px;
}
.h5-box {
  position: relative;
  text-align: center;
  height: 112px;
  line-height: 112px;
}
.h5-box h5 {
  font-size: 22px;
  color: #141414;
  font-weight: bold;
}
.cut-btn {
  position: absolute;
  right: 0;
  top: 17px;
}
.cut-btn img {
  cursor: pointer;
  transition: opacity 0.3s;
}
.cut-btn img.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.swiper-container {
  width: 100%;
  overflow: hidden;
}
.swiper-content {
  display: flex;
  gap: 16px;
  grid-gap: 16px;
  align-items: stretch;
}
.swiper-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  height: 100%;
}
.swiper-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.left-img {
  width: 100%;
  overflow: hidden;
  flex: 1;
}
.left-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.left-img img:hover {
  transform: scale(1.05);
}
.left-text {
  height: 85px;
  background: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 21px;
}
.left-text p {
  font-weight: bold;
  font-size: 22px;
}
.more-btn {
  font-weight: bold;
  font-size: 20px;
  color: #141414;
}
.more-btn:hover {
  color: #0d6bc9;
}
.swiper-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.swiper-wrapper {
  /* display: flex; */
  transition: transform 0.5s ease;
  height: 100%;
  /* gap: 16px;
  grid-gap: 16px; */
  /* width: max-content; */
  box-sizing: border-box;
}
.swiper-slide {
  flex-shrink: 0;
  -webkit-flex-shrink: 0;
  /* width: 50%; */
  display: flex;
  flex-direction: column;
  gap: 16px;
  grid-gap: 16px;
  height: 100%;
}
.swiper-slide:last-child {
  margin-right: 0;
}
.grid-item {
  background-image: url('../images/bei.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding:26px 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  /* border-radius: 8px; */
}
.grid-item div{
  max-width: 146px;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.grid-item img {
  width: 114%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.grid-item:hover img {
  transform: scale(1.1);
}
.grid-item h4 {
  color: #141414;
  margin-top: 17px;
  margin-bottom: 6px;
  font-weight: bold;
}
.grid-item p {
  color: #141414;
  line-height: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.swiper-pagination {
  display: none;
}
.white-box h3 {
  font-weight: bold;
  font-size: 34px;
  color: #1c1c1c;
  margin-top: 62px;
  margin-bottom: 43px;
}
.accordion-box {
  display: flex;
  gap: 0;
  grid-gap: 0;
  margin-top: 20px;
  height: 586px;
}
.accordion-item {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  flex: 1;
  background: #fff;
}
.accordion-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.accordion-item:hover img {
  transform: scale(1.1);
}
.accordion-item .block_pc {
  display: block;
}
.accordion-item .block_sj {
  display: none;
}
.accordion-mask {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  transition: opacity 0.3s ease;
}
.accordion-item.active .accordion-mask {
  opacity: 0;
}
.accordion-item.active {
  flex: 3;
}
.accordion-blue {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 462px;
  height: 235px;
  background: #1885ed;
  padding: 42px 33px;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.accordion-item.active .accordion-blue {
  opacity: 1;
}
.accordion-blue h4 {
  font-weight: bold;
  font-size: 22px;
  color: #ffffff;
  margin-bottom: 23px;
}
.accordion-blue p {
  color: #ffffff;
  line-height: 30px;
}
.h4-box {
  position: absolute;
  width: 100%;
  right: 0;
  bottom: 60px;
  left: 0;
  text-align: center;
  transition: opacity 0.5s ease;
}
.accordion-item.active .h4-box {
  opacity: 0;
}
.h4-box h4 {
  font-weight: bold;
  font-size: 22px;
  color: #fff;
}
.accordion-content p {
  margin: 0;
  font-size: 14px;
  color: #fff;
  line-height: 1.5;
}
.video-box {
  height: 600px;
}
.video-box {
  display: flex;
  gap: 0;
  grid-gap: 0;
  height: 100%;
  margin-top: 93px;
}
.video-left {
  width: 46%;
  background: #1885ed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  color: #fff;
  position: relative;
  padding-bottom: 6%;
}
.video-left h3 {
  font-size: 50px;
  position: absolute;
  right: 5vw;
  top: 18%;
}
.video-left p {
  font-size: 22px;
  margin-bottom: 41px;
}
.video-left .more-link {
  width: 190px;
  height: 55px;
  font-size: 16px;
  color: #fff;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  grid-gap: 10px;
  border-radius: 3px 3px 3px 3px;
  border: 1px solid #ffffff;
  background: transparent;
  position: relative;
  overflow: hidden;
}
.video-left .more-link::before {
  content: "";
  position: absolute;
  width: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  left: 0;
  top: 0;
  transition: width 0.3s ease;
}
.video-left .more-link:hover::before {
  width: 100%;
}
.video-left .more-link img {
  transition: transform 0.3s ease;
}
.video-left .more-link:hover img {
  transform: translateX(8px);
}

.video-right {
  flex: 1;
  position: relative;
}

.video-container {
  width: 100%;
  height: 100%;
  position: relative;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-btn {
  position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 105px;
    height: 105px;
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    
    /* --- 核心修复点 --- */
    z-index: 10; /* 必须大于视频的 z-index */
    background: transparent; /* 确保背景透明，接收事件 */
    border: none;
}
.play-btn img {
  width: auto;
  height: auto;
  pointer-events: none;
  z-index: 11;
  position: relative;
}
/* 水波纹动画 (保持不变，确保已定义) */
.play-btn::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.8);
}

.play-btn:hover::before {
    opacity: 1;
    animation: ripple 1s infinite;
}

@keyframes ripple {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}
.video-container.playing .play-btn {
  display: none;
}
.case-ul {
  /* display: flex;
  justify-content: space-between; */
  /* gap: 27px;
  grid-gap: 27px; */
}
.case-ul li {
  flex: 1;
}
.case-ul img {
  width: 100%;
  display: block;
  transition: all 0.5s ease;
}
.case-ul img:hover {
  transform: scale(1.1);
}
.case-box {
  margin-bottom: 24px;
  overflow: hidden;
}
.case-ul span {
  font-size: 20px;
}
.case-ul span:hover {
  color: #1885ed;
}
.case-ul li {

}
.case-ul a{
  text-align: center;
}