.top{
  width: 100%;
  background-color: #2D9BA8;
}

@media screen and (min-width: 960px) {
  h6,
  .nav1_bottom_left2 p,
  .nav2_center p,
  .nav1_gray p {
    font-size: 26px!important;
  }
  .js {
    font-size: 24px!important;
  }
}
@media screen and (max-width: 1260px) {
  .middle2 {
    margin-top: 0 !important;
  }
  /* .btn2 {
    font-size: 24px!important;
  } */
  h2 {
    top: 30%!important;
  }
}
@media screen and (max-width: 960px) {
  h6,
  .nav1_bottom_left2 p,
  .nav2_center p,
  .nav1_gray p {
    font-size: 22px!important;
  }
  h5 {
    margin-top: 0!important;
  }
  h2 {
    top: 20%!important;
  }
  h6 {
    font-size: 16px!important;
  }
  .js {
    font-size: 14px!important;
  }
  h1 {
    line-height: 50px!important;
  }
  .nav1_gray p {
    width: 100%!important;
    float: none!important;
  }
  .k {
    display: flex;
    justify-content: center;
    margin-top: 45px!important;
  }
  .middle2 {
    left: 20%!important;
    padding-bottom: 5%!important;
    margin-top: 0!important;
  }
  .btn2 {
    margin: 10px 0!important;
    font-size: 12px!important;
  }
}
@media screen and (max-width: 760px) {
  h6,
  .nav1_bottom_left2 p,
  .nav2_center p,
  .nav1_gray p {
    font-size: 18px!important;
  }
  h2 {
    top: 15%!important;
  }
  h6 {
    font-size: 12px!important;
  }
  .js {
    font-size: 12px!important;
  }
  h1 {
    line-height: 30px!important;
  }
}
#top{
  width: 980px;
  margin: auto;
  height: 80px;
}
.top_left{
  padding-top: 10px;
  float: left;
  height: 60px;
  position: relative;
}

.banner img{
  height:500px;
  width: 100%;
}
h2{
  position: absolute;
  top: 40%;
  left:20%;
  width: 500px;
  /* height: 300px; */
  font-size: 3.5vw;
  letter-spacing: 5px;
  color:white;
  text-shadow: 2px 2px 4px  #2D9BA8;
  line-height: 50px;
  font-weight: bold;
}

.banner img{
  height:100%;
  width: 100%;
}
.nav{
  /* width: 980px; */
  margin: auto;
  margin-top: 20px;
  overflow: hidden;
}
.nav1{
  overflow: hidden;
  width: 100%;
}


h3{
  font-size: 3vw;
  color:#2D9BA8;
  display: block;
  line-height: 70px;
  margin-left: 10%;
}
h5{
  font-size: 3vw;
  color:#2D9BA8;
  display: block;
  line-height: 70px;
  margin-top: 10%;
}
.nav1_bottom_left2{
  float: left;
  overflow: hidden;
  width: 80%;
  /* height: 395px; */
  overflow: hidden;
  color:#144264;
  font-size: 10vr;
  margin-left: 10%;
}
.nav1_bottom_left2 p{
  line-height: 2em;
  text-indent: 2em;
}
.nav1_bottom_left2 p:hover{
  color: red;
}
.nav1_gray img{
  position:relative;
  width: 30%;
  margin-top: -6%;
  margin-left: 5%;
}
.nav1_gray{
  background-color: #ECECEC;
  margin-top: 300px;
}
.nav1_gray p{
  line-height: 2em;
  width: 50%;
  float: right;
  /* margin-top: 10%; */
}
.middle2{
  margin-left: 20%;
  padding-bottom: 10%;
  margin-top: -10%;
}
h4{
  position: relative;
  right:80px;
  font-size: 3vw;
  color:#2D9BA8;
  display: block;
  line-height: 70px;
  left: 40%;
}
.nav3_top{
  width: 80%;
  margin-left: 12%;
}
.nav2{
  float:center;
  margin-top: 100px;
}

.nav2_center{
  position: relative;
  color:#144264;
  font-size: 4vr;
}
.nav2_center p{
  line-height: 1.5em;
  text-indent: 2em;
  width: 80%;
  margin-left:12%;
}
.nav2_center p:hover{
  color: red;
}

.desinger{
  background-color:#2D9BA8 ;
  margin-top: 50px;
  margin-bottom: 50px;
}

h1{
  color: white;
  position: relative;
  left:400px;
  font-size: 2vw;
  display: block;
  line-height: 70px; 
}
.designer_word2{
  position: absolute;
  width: 50%;
  float: right;
  margin-top: 10%;
  margin-left: 37%;
}
.designer_word3{
  position: absolute;
  width: 50%;
  float: right;
  margin-top: 21%;
  margin-left: 37%;
}
h6{
  color: white;
  /* width: 50%; */
  font-size: 20px;
}
.nav2 img{
  width: 100%;

}