.container {
  position: relative;
}

.crumb {
    padding-left: 1.3rem;
    display: flex;
    align-items: center;
    color: #666;
    margin: 1.3rem 0 .7rem 0;
}

 .crumb .crumb-home {
  display: block;
  width: .2rem;
  height: .2rem;
  margin-right: .1rem;
}

 .crumb a {
  color: #666;
  font-weight: 400;
}

 .crumb a:last-child {
  color: #333;
}

 .crumb span {
  margin-left: .05rem;
  margin-right: .05rem;
}

.container .title {
  margin: 1.3rem 1.3rem 0.7rem 1.3rem;
}

.container .title span {
  display: block;
  font-family: "HarmonyOS Sans SC";
}

.container .title span:first-child {
  margin-bottom: .2rem;
  font-size: .56rem;
  font-weight: 700;
  color: rgba(51, 51, 51, 1);
}

.container .title span:last-child {
  font-size: .2rem;
  font-weight: 400;
  color: rgba(102, 102, 102, 1);
  line-height: .36rem;
}

.core_strengths {
  background: url('../img/coreStrengths/coreStrengths3.jpg') no-repeat center center / cover;
  /*height: 10.8rem;*/
  padding: .4rem 2.6rem;
  position: relative;
}

.core_strengths .main {}

.core_strengths .main .main_vieo {
  background: url('../img/coreStrengths/coreStrengths4.png') no-repeat center center / cover;
  width: 14rem;
  height: 7rem;
  border-width: .02rem;
  padding: .2801rem .2799rem .2801rem .2799rem;
  position: relative;
}

.core_strengths .main .main_vieo video {
  width: 100%;
  height: 100%;
  /*object-fit: cover;*/
}

.core_strengths .main .main_vieo span {
  position: absolute;
  bottom: .86rem;
  left: .64rem;
  width: 12.72rem;
  display: block;
  font-size: .18rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  font-family: "HarmonyOS Sans SC";
  line-height: .34rem;
}

.core_strengths .main .selector_bg {
  /*position: absolute;*/
  /*top: 7.29rem;*/
  /*left: 0;*/
  width: 100%;
  height: 3.67rem;
  background: url('../img/coreStrengths/coreStrengths2.png') no-repeat center center / cover;
}

.core_strengths .main .selector {
  padding-top: .73rem;
  display: flex;
  gap: .4rem;
  justify-content: center;
}

.core_strengths .main .selector .selector_item {
  width: 2.8rem;
  height: 2.07rem;
  display: flex;
  gap: .1608rem;
  align-items: center;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(50px);
  padding: .0804rem .08rem;
}

.core_strengths .main .selector .selector_item_video {
  width: 2.64rem;
  height: 1.457rem;
  background: rgba(23, 52, 76, .25);
  border: 1px solid rgba(255, 255, 255, .25);
  backdrop-filter: blur(37px);
  padding: .0603rem .06rem;
  position: relative;
}

.core_strengths .main .selector .selector_item_video video {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.core_strengths .main .selector .selector_item_video img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
  cursor: pointer;
  width: .3208rem;
  height: .3208rem;
}

.core_strengths .main .selector .selector_item_video:hover img {
  display: block;
}

.core_strengths .main .selector .selector_item span {
  font-size: .18rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 1);
  font-family: "HarmonyOS Sans SC";
  text-align: center;
  line-height: 120%;
}

/* 遮罩层样式 */
.video-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(109, 109, 109, 0.61);
  backdrop-filter: blur(30px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  overflow-y: auto;
}

/* 弹窗样式 */
.video-modal-overlay .video-modal {

  position: relative;
  width: 100%;
  height: 100vh;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: start;
  flex-direction: column;
  padding: 1.1rem 3.1rem 0 3.1rem;
}

.video-modal-overlay .video-modal .title {
  font-size: .28rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 1);
  font-family: "HarmonyOS Sans SC";
}

/* 视频样式 */
.video-modal-overlay .video-modal .video-container {
  width: 13rem;
  height: 7.3rem;
  margin: .25rem 0 .32rem;
}

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

.video-modal-overlay .video-modal .video-containe #modalVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-modal-overlay .video-modal .desc {
    width: 13rem;
    text-align: justify;
}
.video-modal-overlay .video-modal .desc span {
  font-size: .2rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  font-family: "HarmonyOS Sans SC";
  line-height: .34rem;
}

.video-modal-overlay .close-btn {
  position: absolute;
  top: 1.53rem;
  right: 1.3rem;
  width: .4rem;
  height: .4rem;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1001;
  transition: background-color 0.3s ease;
  z-index: 100;
}

.video-modal-overlay .close-btn:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

@media (max-width: 767px) {
    .core_strengths {
        padding: .8rem .4rem;
    }
    .container .title {
        margin: 1.3rem .2rem .7rem .2rem;
    }
    .container .title span:first-child {
        font-size: .4rem;
    }
    .container .title span:last-child {
        font-size: .2rem;
    }
    .core_strengths .main .main_vieo {
        width: 100%;
        height: auto;
    }
    .core_strengths .main .selector .selector_item {
        width: unset;
        padding: .0804rem .08rem .1rem .08rem;
        height: 2.17rem;
    }
    .core_strengths .main .selector .selector_item_video {
        width: 100%;
    }
    .core_strengths .main .selector .selector_item span {
        line-height: 150%;
        font-size: .2rem;
    }
    .video-modal-overlay .video-modal {
        padding: 1.1rem .4rem 0 .4rem;
    }
    .video-modal-overlay .video-modal .video-container {
        width: 100%;
        height: auto;
    }
    
    .video-modal-overlay .close-btn {
        right: 0;
    }
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
}