*{
  margin: 0;
  padding: 0;
}
/* banner图 */
.banner{
  height: 80vh;
  background: url(../../images/safetyProductions/tianMaCompetition/banner.png) no-repeat;
  background-size:100% 100%;
}
.banner div{
  padding:30vh 0 0 15vw;
}
.banner div h2{
  height: 28px;
  font-size: calc(100vw * 45 / 2310);
  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;
  text-align: left;
  padding-top: 50px;
}
/* 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;
  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 */
.introduce{
  background-color: rgba(200, 218, 240, 0.3);
}
.introduce .bottom{
  display: flex;
  justify-content: space-around;
  padding: 5vh 25vh;
}
.intro_box{
  width: 20%;
  height: 35vh;
}
.box_top{
  width: 80%;
  height: 22vh;
  margin: 0 auto;
}
.box_top img{
  width: 100%;
  height: 100%;
}
.introduce .box_bottom{
  width: 7vw;
  font-size: calc(100vw * 35 / 2310);
  margin: 0 auto;
  padding: 3vh 0;
}
/* 客户价值 */
.pro_box{
  width: 70%;
  margin: 0 auto;
}
.pro{
  margin: 5vh 0;
  height: 30vh;
  display: flex;
}
.pro_left{
  height: 30vh;
  width: 20%;
}
.pro_left img{
  width: 100%;
  height: 100%;
}
.pro_right{
  margin-left: 5%;
}
.pro_right .top{
  font-size: calc(100vw * 35 / 2310);
  margin: 5vh;
}
.pro_right .bottom{
  width: 40vw;
  padding: 0 5vh;
  line-height: 1.8rem;
  letter-spacing: 0.1rem;
}
/* 应用场景 */
.apply{
  padding-bottom: 15vh;
}
.item{
  margin: 3vh 0;
  height:33vh;
  display: flex;
  box-shadow: 0px 0px 5px 1px rgba(35,24,21,0.25);
}
.apply .bottom{
  margin: 0 auto;
  width: 80%;
}
.item_left{
  width: 30%;
  height: 33vh;
}
.item_left img{
  width: 100%;
  height: 100%;
}
.item_right{
  width: 60%;
  height: 33vh;
  position: relative;
}
.item_right .service_con{
  position: absolute;
  left: 10%;
  top: 20%;
}
.service_title{
  font-size: calc(100vw * 35 / 2310);
  color: #2759A7;
}
.service_bottom{
  width: 45vw;
  margin-top: 3vh;
  line-height: 4vh ;
  letter-spacing: 3px;
  font-size: calc(100vw * 25 / 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;
  }
  /* 产品介绍 */
  .introduce .bottom{
    padding: 0;
    flex-wrap: wrap;
  }
  .introduce .box_bottom{
    width: 16vw;
    font-size: calc(100vw * 80 / 2310);
    letter-spacing: 0.1rem;
  }
  .intro_box {
    width: 35%;
    height: 20vh;
  }
  .box_top{
    width: 70%;
    height: 11vh;
    margin: 0 auto;
  }
  .pro{
    height: 34vh;
  }
  .pro_box {
    width: 80%;
  }
  .pro_right .bottom{
    font-size: calc(100vw * 25 / 2310);
    line-height: 1.5rem;
  }
  .pro_left{
    height: 11vh;
    width: 41%;
  }
  .pro_right .top {
    font-size: calc(100vw * 80 / 2310);
    margin: 5vh;
    width: 24vw;
  }
  .pro:nth-child(2){
    margin-top: 10vh;
  }


  .advantage .con_box{
    display: block;
    height: 190vh;
  }
  .advantage .con_box .con{
    width: 85%;
    margin: 0 auto;
    margin-bottom: 5vh;
  }

  /* 应用场景 */
 .apply{
  padding-bottom: 25vh;
 }
 .apply .bottom{
  width: 90%;
 }
 .item{
    margin: 3vh 0;
    height: 19vh;
    display: flex;
    box-shadow: rgb(35 24 21 / 25%) 0px 0px 5px 1px;
  }
  .service .bottom{
    margin: 0 auto;
    width: 90%;
    margin-bottom: 10vh;
  }
  .item_left{
    width: 37%;
    height: 19vh;
  }
  .item_left img{
    width: 100%;
    height: 100%;
  }
  .item_right{
    width: 60%;
    height: 19vh;
    position: relative;
  }
  .item_right .service_con{
    position: absolute;
    left: 7%;
    top: 6%;
  }
  .service_title{
    font-size: 0.9rem;
    font-weight: 550;
    padding-top: 2vh;
    color: #2759A7;
  }
  .service_bottom{
    width: 50vw;
    margin-top: 1vh;
    line-height: 1rem;
    letter-spacing: 0.1rem;
    font-size: 0.3rem;
  }
  .con .center{
    font-size: calc(100vw * 90 / 2310);
  }
  .con .bottom{
    padding: 4%;
    font-size: calc(100vw * 30 / 2310);
    line-height: 1.5rem;
    background-color: #fff;
  
  }
}