.san-about-video {
  margin-top: 90px;
}
.san-about-video .main-href {
  margin-top: 50px;
}
.san-about-video p {
  margin-top: 20px;
  font-size: 16px;
  font-family: var(--font-family);
  color: #666;
  line-height: 30px;
}
.san-about-video .container {
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
}

.san-about-video .main-href a {
  display: inline-block;
  padding: 17px 60px;
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-family: var(--title-font-family);
  cursor: pointer;
  border-radius: 50px;
}

.san-about-video .main-href a:hover {
  background: var(--color-primary);
  text-decoration: none;
}

.san-about-video .videos {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  text-align: center;
  z-index: 999;
  overflow: hidden;
}

.san-about-video .videos #video {
  position: fixed;
  left: 10%;
  top: 10vh;
  width: 80%;
  height: 80vh;
  background: #000;
  z-index: 999;
}

.san-about-video .vclose {
  position: absolute;
  right: 3%;
  top: 5%;
  width: auto;
  cursor: pointer;
}

.san-about-video .vclose::before {
  font-size: 32px;
  color: #fff;
}
.san-about-video .about-videofl {
  width: 43.8%;
  margin-top: 20px;
}

.san-about-video .about-videofl span {
  display: block;
  width: 92px;
  height: 2px;
  margin-bottom: 25px;
  background: var(--color-primary);
}

.san-about-video .about-videofl .main-href {
  margin-top: 40px;
}

.san-about-video .about-videofr {
  position: relative;
  width: 48.2%;
  height: 100%;
  padding: 0 35px 40px 0;
}

.san-about-video .about-videofr span {
  display: block;
  overflow: hidden;
}

.san-about-video .about-videofr span img {
  width: 100%;
}

.san-about-video .about-videofr:hover img {
  -webkit-transform: scale(1.03);
  -moz-transform: scale(1.03);
  -ms-transform: scale(1.03);
  transform: scale(1.03);
}

.san-about-video .about-videofr .pulse {
  position: absolute;
  left: -43px;
  bottom: 12px;
  width: 87px;
  height: 87px;
  background: var(--color-primary);
  border-radius: 100%;
  cursor: pointer;
}

.san-about-video .about-videofr .pulse i {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-top: -15px;
  margin-left: -11px;
  z-index: 2;
  font-size: 24px;
  color: #fff;
}

.san-about-video .about-videofr .ring {
  position: absolute;
  background: inherit;
  height: 100%;
  width: 100%;
  border-radius: 100%;
  opacity: 0.2;
  animation: pulsing 2.5s ease-out infinite;
}

@media screen and (max-width:1580px) {
  .san-about-video .main-href {
      margin-top: 40px
  }

  .san-about-video h2,
  .san-about-video h2 a {
      font-size: 32px
  }

  .san-about-video .main-href a {
      padding: 16px 50px;
      font-size: 15px
  }


}

@media screen and (max-width:1420px) {
  .san-about-video .about-usright,
  .san-about-video .about-videofl {
      margin-top: 0
  }

  .san-about-video .about-usright p {
      margin-top: 20px
  }
}

@media screen and (max-width:1280px) {
  .san-about-video h2,
  .san-about-video h2 a {
      font-size: 28px
  }

  .san-about-video .number .home-aboutnum span b {
      display: block
  }
}

@media screen and (max-width:960px) {

  .san-about-video .container {
      width: 88%
  }

  .san-about-video .videos #video {
      top: 30vh;
      height: auto;
      min-height: 20vh
  }

  .san-about-video .main-href a {
      font-size: 14px;
      padding: 15px 30px;
  }

  .san-about-video .main-href {
      margin-top: 30px
  }

  .san-about-video .about-videofl {
      width: 100%
  }

  .san-about-video .about-videofr {
      width: 94%;
      margin-left: 6%;
      margin-top: 30px;
      background-size: 90% 80%;
      padding: 0 25px 30px 0
  }

  .san-about-video .about-videofr .pulse {
      width: 66px;
      height: 66px;
      left: -22px;
      bottom: -4px
  }

  .san-about-video .about-videofr .pulse img {
      width: 17px;
      margin-top: -9px;
      margin-left: -7px
  }
}