h2{
   margin-bottom: 52px;
}

/* banner */
.mechanical_banner{
 height: 28.125vw;
 width: 100%;
 min-width: 1280px;
 min-height: 360px;
 background-size: cover;
 position: relative;
}
.mechanical_banner_content{
 position: absolute;
 top: 50%;
 left: 16.6%;
 transform: translateY(-50%);
}

/* 骑行行业介绍 */
.mechanical_intro{
   padding: 80px 0 100px 0;
   overflow: hidden;
  }
  
  .mechanical_top{
   display: flex;
   align-items: center;
   width: 1264px;
   margin: 0 auto;
   
  }
  .mechanical_top_img{
     width: 570px;
     height: 350px;
     background: #eeeeee;
     border: 2px solid #ffffff;
     border-radius: 12px;
     box-shadow: 0px 3px 20px 0px rgba(0,17,54,0.20); 
     padding: 15px;
     box-sizing: border-box;
     display: flex;
     justify-content: center;
     align-items: center;
  }
  .mechanical_top_img img{
     width: 540px;
     height: 320px;
  }
  .mechanical_top hr{
     width: 80px;
     height: 4px;
     background-color: #2168FB;
     border: none;
     outline: none;
     margin-bottom: 40px;
  }
  .mechanical_intro_con{
     margin-left: 70px;
     position: relative;
     height: 350px;
     padding-top: 60px;
     box-sizing: border-box;
  }
  .mechanical_top p{
   width: 565px;
   font-size: 16px;
   line-height: 24px;
   color: #666666;
   letter-spacing: 0.168px;
   text-align: justify;
   text-justify: distribute;
  }
  .mechanical_intro_block{
     display: flex;
     justify-content: flex-end;
     position: absolute;
     bottom: 0;
     right: 0;
  }
  .mechanical_intro_block1{
     width: 95px;
     height: 73px;
     background: #f8f8f8;
     position: relative;
     margin-top: 40px;
  }
  .mechanical_intro_block2{
     width: 62px;
     height: 53px;
     background: #eeeeee;
     position: absolute;
     top: 20px;
     left: -24px;
  }
  .mechanical_intro_list{
   display: flex;
   justify-content: space-between;
   width: 64.2%;
   min-width: 1100px;
   margin: 100px auto 0 auto;
   
  }
  .mechanical_intro_item{
   box-sizing: border-box;
   width: 20%;
   /* padding: 24px 0; */
   font-size: 0;
   text-align: center;
   display: flex;
   align-items: center;
   flex-direction: column;
  }
  .mechanical_intro_item .icon{
     width: 144px;
     height: 166px;
   /* width: 96px;
   height: 96px; */
   margin-bottom: 30px;
  }
  .mechanical_intro_item .icon1{
     background-position: 0 0;
  }
  .mechanical_intro_item .icon2{
     background-position: -333px 0;
  }
  .mechanical_intro_item .icon3{
     background-position: -666px 0;
  }
  .mechanical_intro_item .icon4{
     background-position: 100% 0;
  }
  .mechanical_intro_title{
   /* font-size: 20px; */
   font-weight: bold;
   line-height: 26px;
   color: #333333;
   letter-spacing: 0.7px;
   margin-bottom: 12px;
  }
  .mechanical_intro_item p{
     font-size: 20px;
     font-weight: bold;
     line-height: 26px;
     color: #666666;
     /* letter-spacing: 0.336px; */
  }


/* 产品案例 */
.case-container{
   width: 100%;
   min-width: 1280px;
   height: 33.854vw;
   min-height: 433.33px;
}
.case-container img{
   width: 100%;
   height: 100%;
}
.swiper-pagination-bullet{
   width: 12px;
   height: 12px;
   background: #FFFFFF;
   opacity: 1;
}
.swiper-pagination-bullet-active{
   background: #2168FB;
}

/* 应用场景 */
.cycling{
   box-sizing: border-box;
   height: 783px;
   padding: 48px 0 120px 0;
   background-color: #F8F8F8;
}
.cycling_swiper{
 width: 66.67%;
 min-width: 1180px;
 margin: 0 auto;
 position: relative;
}
.scene-container {
width: 940px;
height: 480px;
/* overflow: visible; */
--swiper-theme-color: #407BFF;/* 设置Swiper风格 */
}
.scene-container .swiper-slide {
text-align: center;
font-size: 18px;
background: #fff;

/* Center slide text vertically */
display: -webkit-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
}
.swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after,.swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after{
content: '';
}
.scene-container .swiper-button-next, .swiper-container-rtl {
right: 0px;
outline: none;
width: 40px;
}
.swiper-button-next{
   right: 0;
}
.swiper-button-prev{
   left: 0;
}
.swiper-button-next, .swiper-button-prev{
   width: 60px;
   height: 60px;
}
.swiper-button-next .icon,.swiper-button-prev .icon{
   width: 60px;
   height: 60px;
}
.cycling .btn{
   margin: 52px auto 0 auto;
}
.swiper-button-next, .swiper-button-prev{
   width: 60px;
   height: 60px;
   margin-top: -30px;
   background-color: #cccccc;
   border-radius: 50%;
   transition: all .3s;
 }
 .swiper-button-prev:hover,.swiper-button-next:hover{
   background-color: #2168FB;
 }
 .cycling .icon{
   fill: #FFFFFF;
   width: 40px;
 }


/* 视频展示 */
.mechanical_video{
 margin: 100px 0;
 min-width: 1280px;
}
.mechanical_video_show{
 display: flex;
 align-items: center;
 justify-content: center;
}
.mechanical_video_show .video-js{
 overflow: hidden;
 background-color: #fff;
}
.video-js{
 border-radius: 20px;
}
.vjs-control-bar{
 border-radius: 0 0 20px 20px;
}
.vjs-paused .vjs-big-play-button,
.vjs-paused.vjs-has-started .vjs-big-play-button {
   display: block;
   position: absolute;
   top: 50%;
   left: 50%;
   outline: none;
}
.video-js .vjs-big-play-button{
   font-size: 2.5em;
   line-height: 2.3em;
   height: 2.5em;
   width: 2.5em;
   -webkit-border-radius: 2.5em;
   -moz-border-radius: 2.5em;
   border-radius: 2.5em;
   background-color: rgba(255, 255, 255, 0);
   /* background-color: #73859f;
   background-color: rgba(115,133,159,.5); */
   border-width: 0.15em;
   margin-top: -1.25em;
   margin-left: -1.75em;
}
.video-js:hover .vjs-big-play-button, .video-js .vjs-big-play-button:focus{
 background-color: rgba(255, 255, 255, 0);
}
/* 中间的播放箭头 */
.vjs-big-play-button .vjs-icon-placeholder {
 font-size: 1.63em;
}
/* 加载圆圈 */
.vjs-loading-spinner {
 font-size: 2.5em;
 width: 2em;
 height: 2em;
 border-radius: 1em;
 margin-top: -1em;
 margin-left: -1.5em;
}
@media only screen and (max-width: 1280px) {
   .mechanical_top{
      width: 1100px;
   }
   .mechanical_top p{
      width: 450px;
   }
}