*{
  margin: 0;
  padding: 0;
}
/* banner图 */
.banner{
  height: 80vh;
  background: url(../../images/safetyProductions/diJiangTraining/banner.png) no-repeat;
  background-size:100% 100%;
}
.banner div{
  padding:30vh 0 0 15vw;
}
.banner div h2{
  width: 168x;
  height: 28px;
  font-size: calc(100vw * 45 / 2310);
  /* font-family: SourceHanSansCN-Regular, SourceHanSansCN; */
  font-weight: 400;
  line-height: 56px;
  color: #fff;
}
.banner div p{
  width: 30vw;
  font-size: calc(100vw * 25 / 2310);
  line-height: 5vh;
  letter-spacing: 2px;
  font-family: SourceHanSansCN-Regular, SourceHanSansCN;
  color: #fff;
  padding-top: 50px;
  text-align:left;
}
/* route */
.route_box {
  height: 60px;
  background-color: #fff;
  display: flex;
  align-items: center;
  margin-left: 10%;
}

.route {
  display: flex;
  align-items: center;
}
/* nav */
.navbox {
  background: #7D8C9A;
  
}

.navbox .nav {
  height: 50px;
  width: 80%;
  justify-content: center;
  display: flex;
  margin: 0 auto;
}

.navbox .nav li {
  list-style: none;
  list-style: none;
  line-height: 45px;
  padding: 0 50px;
}

.navbox .nav li a {
  display: block;
  text-decoration: none;
  color: #fff;
  height: 50px;
  line-height: 50px;
}
.navbox .nav li a:hover{
  border-bottom:3px solid rgb(12, 116, 132);
}
.navbox .nav li a:hover {
  background: #7D8C9A;
}
/* 标题 */
.title{
  text-align: center;
  padding: 2% 0;
}
.title_top{
  font-size: calc(100vw * 40 / 2310);
  letter-spacing: 5px;
}
.title_bottom{
  font-size: calc(100vw * 25 / 2310);
  color: #888888;
}
/* 产品介绍 */
.intro_bottom{
  width: 55vw;
  padding: 3%;
  margin: 0 auto;
  font-family: Source Han Sans CN-Regular, Source Han Sans CN;
  font-size: calc(100vw * 25 / 2310);
  line-height: 4vh;
  letter-spacing: 0.2rem;
  box-shadow: 0px 0px 5px 1px rgba(14,139,216,0.75);
  border-radius: 35px 35px 35px 35px;
  opacity: 1;
}
/* 产品优势 */
.advantage{
  background-color: rgba(219, 219, 220, 0.3);
  margin-top: 10vh;
}
.con_box{
  display: flex;
  width: 85%;
  height: 54vh;
  margin: 0 auto;
  padding: 10vh 0;
  justify-content: space-around;
}
.advantage .con{
  width: 20%;
  height: 54vh;
  background-color: #fff;
  box-shadow: 0px 0px 5px 1px rgba(35,24,21,0.25);
}
.con .top1{
  height: 20vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/advantage1.png);
  background-size: 100% 100%;
}
.con .top2{
  height: 20vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/advantage2.png);
  background-size: 100% 100%;
}
.con .top3{
  height: 20vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/advantage3.png);
  background-size: 100% 100%;
}
.con .top4{
  height: 20vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/advantage4.png);
  background-size: 100% 100%;
}
.con .center{
  font-size: calc(100vw * 30 / 2310);
  line-height: 5vh;
  text-align: center;
  color: #fff;
  background-color: black;
}
.con .bottom{
  padding: 5%;
  line-height: 3vh;
  font-size: calc(100vw * 24 / 2310);
  background-color: #fff;
  letter-spacing: 0.1rem;
}
/* 客户价值 */
.value{
  background-color: rgba(200, 218, 240, 0.3);
  padding: 10vh 0;
}
.value
.bottom_box{
  width: 80%;
  margin: 0 auto;
  position: relative;
  bottom: 5vh;
}
.value .con .top1{
  height: 30vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/value1.png);
  background-size: 100% 100%;
}
.value .con .top2{
  height: 30vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/value2.png);
  background-size: 100% 100%;
}
.value .con .top3{
  height: 30vh;
  background-image: url(../../images/safetyProductions/diJiangTraining/value3.png);
  background-size: 100% 100%;
}
.value .con{
  width: 30%;
  height: 55vh;
  box-shadow: none;
}
.value .con .bottom{
  padding: 6%;
  height: 19vh;
  font-size: calc(100vw * 24 / 2310);
}
@media screen and (max-width: 500px) {
  #header{
    display: none;
  }
  #footer{
    display: none;
  }
  /* banner */
  .banner{
    height: 35vh;
    background-size:100% 100%;
  }
  .banner div{
    padding: 10vh 0 0 9vw;
  }
  .banner div h2{
    width: 65vw;
    font-size: calc(100vw * 115 / 2310);
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    color: #fff;
  }
  .banner div p{
    width: 70vw;
    text-align: left;
    font-size: calc(100vw * 25 / 2310);
    line-height: 3vh;
    letter-spacing: 2px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    color: #fff;
    padding-top: 5vh;
  }
  /* route */
  .route_box {
    height: 7vh;
    background-color: #fff;
    display: flex;
    align-items: center;
    margin-left: 5%;
    font-size: calc(100vw * 25 / 2310);
  }
  .img_box{
    width: 3vw;
    height: 2vh;
  }

  /* nav */
  .navbox {
    background: #7D8C9A;
  }
  .navbox .nav {
    height: 5vh;
    padding-left: 25%;
  }

  .navbox .nav li {
    float: left;
    list-style: none;
    line-height: 3vh;
    padding: 0 2vw;
  }

  .navbox .nav li a {
    display: block;
    text-decoration: none;
    color: #fff;
    height: 5vh;
    font-size: calc(100vw * 85 / 2310);
    line-height: 5vh;
  }
  .navbox .nav li a:hover{
    border-bottom:3px solid rgb(12, 116, 132);
  }
  .navbox .nav li a:hover {
    background: #7D8C9A;
  }
  /* 标题 */
  .title_top{
    font-size: 1rem;
    font-weight: 550;
    letter-spacing: 5px;
  }
  .title_bottom{
    font-size: calc(100vw * 25 / 2310);
    color: #888888;
  }
  .title{
    text-align: center;
    padding: 10% 0;
  }
  /* 产品概述 */
  .intro_bottom{
    width: 75vw;
  }
  /*  */
  .advantage .con_box{
    display: block;
    height: 215vh;
  }
  .con_box .con{
    width: 85%;
    margin: 0 auto;
    margin-bottom: 5vh;
  }
  .con .center{
    font-size: calc(100vw * 85 / 2310);
  }
  .con .bottom{
    font-size: calc(100vw * 70 / 2310);
  }
  .value{
    padding: 0;
  }
  .value .con .top1{
    height: 23vh;
  }
  .value .con .top2{
    height: 23vh;
  }
  .value .con .top3{
    height: 23vh;
  }
  .value .con_box{
    display: block;
    height: 185vh;
  }
}