.video {
  padding: 2em 0;
}

.video-block {
    width:100%;
    position:relative;
    padding-bottom:56.25%;    /*需要用padding来维持16:9比例,也就是9除以16*/
    height: 0;
}

.video-control {
    position: absolute;
    left: 45%;
    top: 30%;
    float: left;
    cursor: pointer;
    z-index: 999;
}

.video-block video {
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    float: left;
}

.introduction {
    padding-bottom: 4em;
}

.introduction h3 {
    color: #606060;
    font-size: 32px;
    margin: 1em 0;
}

.introduction h5 {
    color: #999999;
    font-size: 18px;
}

.join-container {
    margin: 0 10%;
}

.first-nav {
    
    width: 100%;
}

.first-btn {
    border-radius: 0;
    font-size: 20px;
    color: #06A8F0;
    padding:  0.4em 0;
    border: 1px solid #06A8F0;
    background: #FFFFFF;
    width: 20%;
    text-align: center;
}

.first-btn:hover {
  background: #06A8F0;
  color: #FFFFFF;
  border:1px solid #06A8F0;
}

.active-btn {
  background: #06A8F0;
  color: #FFFFFF;
  border:1px solid #06A8F0;
}

.active-btn:hover {
  background: #06A8F0;
  color: #FFFFFF;
  border:1px solid #06A8F0; 
}




.first-group {
    width: 100%;
}



.active-btn {
    background: #06A8F0;
    color: #FFFFFF;
}



.join-block {
    margin: 2em 0;
}

.join-block h4 {
    font-weight: bold;
    color: #06A8F0;
    font-size: 20px;
}

.join-block p {
    color: #606060;
    font-size: 16px;
}

.approach {
    background: #F7F7F7;
}

.join-wrap {
    overflow: hidden;
    width: 100%;
}

.join-long {
    float: left;
    position: relative;
}



.join-info h3 {
    font-size: 28px;
}

.join-type {
    margin-top: 3em;
}
.second-category {
    padding: 0;
    margin: 0;
    width: 100%;
    font-size: 18px;
    color: #999999;
}
.second-category li {
    display: inline-block;
}

.second-category li a {
    color: #999999;
    text-decoration: none;
}

li.clicked a{
  color: #06A8F0;
}




@media screen and (max-width: 640px) {
    .first-btn {
        font-size: 16px;
    }

    .second-category li a ,.second-category span {
        font-size: 16px;
    }
}

@media screen and (max-width: 490px) {
    .first-btn {
        font-size: 14px;
    }
    .second-category span  {
        display: none;

    }
    .second-category  li {
      display: block;
    }

    .second-category li a {
      font-size: 14px;
    }
}

.second-category li.active-type a {
    color: #06A8F0;
}

.join-type {
    display: none;
}


.approach {
    padding: 3em 0;
}

.mail-grids {
    padding: 0 10% 0 10%;
}

.approach-text h1 {
    color: #06A8F0;
    font-size: 40px;
    letter-spacing: 0.1em;
    margin-bottom: 1em;
}

.approach-text h3 {
    color: #606060;
}

.approach-text h4 {

}

.approach-block {
    margin-top: 2em;
}

.approach-block h4 {
    color: #606060;
}

.approach-block p {
    color: #606060;
}


/*video*/

.container-fluid {
    margin-left: auto;
    margin-right: auto;
}

.video-layout {
  display: none;
}

.video-layout-mask {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: black;
  opacity: 0.8;
  z-index: 20;
}
.video-container {
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: -200px;
  margin-left: -400px;
  z-index: 25;
}
.video-container .close-btn {
  position: absolute;
  width: 20px;
  height: 20px;
  top: -20px;
  right: 0;
  background: url('../images/join/close-btn.png') no-repeat center center;
  background-size: 100% 100%;
  cursor: pointer;
}
#videoControls {
  position: relative;
  
  width: 700px;
  margin: 0 auto;
}
#playBtn {
  display: inline-block;
  height: 20px;
  width: 7%;
  border: 0;
  vertical-align: middle;
  background-color: #335564;
}
#playBtn .playing {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: white;
}
#playBtn .stop {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-left: 14px solid white;
  border-bottom: 7px solid transparent;
}
#progressWrap {
  display: inline-block;
  height: 20px;
  width: 90%;
  vertical-align: middle;
  background-color: #335564;
}
#playProgress {
  background-color: #1399c7;
  width: 0px;
  height: 20px;
  cursor: pointer;
}

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

}

@media only screen and (max-width: 768px) {

  .map-contain {
    display: none;
  }
  .video-container {
    width: 90%;
    height: auto;
    top: 40% ;
    left: 5%;
    margin-top: 0;
    margin-left: 0;
  }
  #video {
    width: 100%;
    height: auto;
  }
  #videoControls {
    width: 100%;
    
  }
  #progressWrap {
    height: 10px;
  }
  #playProgress {
    height: 10px;
  }
  #playBtn {
    height: 10px;
  }
  #playBtn .playing {
    vertical-align: top;
    width: 10px;
    height: 10px;
  }
  #playBtn .stop {
    vertical-align: top;
    border-top: 5px solid transparent;
    border-left: 10px solid white;
    border-bottom: 5px solid transparent;
  }
}

@media only screen and (max-width: 480px) {
  .video-bg h3 {
    font-size: 18px;

  }
  .video-bg h5 {
    font-size: 12px;
  }
}

.videobox {
  padding: 0;
}
.video-bg {
  position: relative;
  height: 400px;
  background: url('../images/join/video.png') no-repeat center bottom;
}
.video-bg .video-mask {
  position: absolute;
  height: 100%;
  width: 100%;
  background-color: rgba(88, 90, 92, 0.7);
}

.media-start {
    text-align: center;
}

.video-bg .media-object {
  display: inline-block;
  width: 100px;
  cursor: pointer;
  margin-top: 10%;
}

.video-text {

    text-align: center;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 8%;
}

.video-bg h3 {
  position: relative;
  font-size: 28px;
  color: white;
  text-align: center;
  padding: 0;
}

.video-bg h5 {
  position: relative;  
  margin-top: 10px;
  font-size: 18px;
  color: white;
  text-align: center;
  padding-left: 5%;
  padding-right: 5%;
}

.video-bg img {
  width: 70px;
  height: 70px;
  margin-top: 20px;
}

@media  screen and (max-width: 780px) {
  .video-bg h3 {
    font-size: 20px;
  }
  .video-bg h5 {
    font-size: 16px;
  }

  .video-bg {
    height: 360px;
  }
}

@media  screen and (max-width: 700px) {

  .video-bg {
    height: 300px;
  }

  .video-bg h3 {
    font-size: 18px;

  }
  .video-bg h5 {
    font-size: 14px;
  }
  .video-text {
    margin-top: 3em
  }

}

@media screen and (max-width: 480px) {
  .video-bg h3 {
    font-size: 16px;

  }
  .video-bg h5 {
    font-size: 12px;
  }

  .video-bg {
    height: 260px;
  }

  .video-text {
    margin-top: 2.6em
  }
}

@media screen and (max-width: 368px) {
  .video-bg h3 {
    font-size: 16px;

  }
  .video-bg h5 {
    font-size: 12px;
  }

  .video-bg {
    height: 200px;
  }

  .video-text {
    margin-top: 2em
  }
  .video-bg img {
    width: 50px;
    height: 50px;
    margin-top: 12px;

  }

}


/*end of video*/