*{
  margin: 0;
  padding: 0;
}  
body{
  font-family: "Microsoft YaHei"; 
}      
.header{
  position: sticky;
  top: 0;
  height: .365rem;         
  background-color: rgb(215, 215, 215); 
  display: flex;
  justify-content: center;
  align-items: center;         
}
.wrap{
 width: 6.25rem; 
 display: flex;
 justify-content: space-between;
 align-items: center;         
}
.wrap>a{
  display: flex;
  width: .313rem;
  height: .313rem;
  justify-content: center;
  align-items: center;
}
.wrap>a>img{
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}        
.wrap ul{
  list-style: none;
  display: flex;
  gap: .313rem;
}
.wrap ul li{
  flex: 1;
  text-align: center;
}
.wrap ul li a{
  display: block;
  text-decoration: none;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: .104rem;
}
.head_img img{
  max-width: 100%;
  height: auto;
  display: block;
}
.about_us{
  height: 3.125rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.about_us_wrap{
  width: 6.25rem;
  display: flex;
}
.about_us_left{
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  
}
.about_us_left h1{
  font-size: .146rem;
}
.about_us_left h3{
  font-size: .104rem;
}
.about_us_right{
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.about_us_right h2{
  font-size: .125rem;
}
.about_us_right p{
  font-size: .104rem;
  text-indent: 2em;
  line-height: .208rem;
}
.contact_us{
  height: 2.604rem;
  background-color: black;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
}
.contact_us_wrap{
  width: 6.25rem;
  height: 2.083rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.contact_us_01{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.contact_us_01 h1{
  font-weight: normal;
  font-size: .146rem;
}
.contact_us_01 h4{
  line-height: .26rem;
  font-weight: normal;
  font-size: .083rem;
}
.company_info{
  display: flex;
  flex-direction: row;
  height: 1.563rem;
  width: 100%;        
}
.company_info_left{
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.company_add,.company_phone,.company_shop{
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: .026rem;
}
.company_info_left svg{
  width: .125rem;
  height: .125rem;
}
.company_info_left span{
  line-height: .208rem;
  font-size: .104rem;
}
.company_info_left span a{
  text-decoration: none;
  color: coral;
}
.company_info_left span a:hover{
  color: red;
}
.company_info_left h2{
  font-weight: normal;
  line-height: .208rem;
  font-size: .125rem;
} 
.company_info_right{
  flex: 1;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}
.company_info_right img{
  width: .781rem;
  height: .781rem;
}
.hamburger{
  display: none;
  background: none;
  border: none;
}
.hamburger .bar {
 display: block;
 width: .694rem;
 height: .083rem;
 margin: .139rem 0;
 background: black;
 transition: all 0.3s ease;
}
@media screen and (max-width: 768px){
  .header{
    position: relative;
    height: 1.944rem;
  }
  .wrap{
    justify-content: center;
  }
  .wrap>a{
    width: 1.389rem;
    height: 1.389rem;
  }
  .wrap ul{
    display: none;
  }
  .hamburger{
    display: block;
    position: absolute;
    top: .556rem;
    left: .556rem;
  }
   .hamburger.active .bar:nth-child(1) {
      transform: translateY(.222rem) rotate(45deg);
  }
   .hamburger.active .bar:nth-child(2) {
      opacity: 0;
  }
   .hamburger.active .bar:nth-child(3) {
      transform: translateY(-0.222rem) rotate(-45deg);
  }
  .wrap ul.active{
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 1.944rem;
    left: 0;
    background-color:  rgb(148, 171, 221);          
    gap: .278rem;
    padding: .278rem 0;           
  }
  .wrap ul.active li a{
    font-size: .556rem;
    width: 4.167rem;
  }
  .about_us{
    height: 11.111rem;
  }
  .about_us_wrap{
    width: 8.333rem;
    height: 8.333rem;
    flex-direction: column;          
  }
  .about_us_left h1{
    font-size: .556rem;
  }
  .about_us_left h3{
    font-size: .333rem;
  }
  .about_us_right h2{
    font-size: .444rem;
    line-height: .833rem;
  }
  .about_us_right p{
    font-size: .333rem;
    line-height: .556rem;
  }
  .about_us_right{
    justify-content: flex-start;
  }
  .contact_us{
    height: 11.111rem;
  }
  .contact_us_wrap{
    width: 9.167rem;
    height: 9.722rem;          
  }
  .contact_us_01 h1{
    font-size: .556rem;
  }
  .contact_us_01 h4{
    font-size: .333rem;
    line-height: .556rem;
  }
  .company_info{
    flex-direction: column;
    height: 6.944rem;
  }
  .company_info_left h2{
    font-size: .444rem;
    line-height: .667rem;
  }
  .company_info_left span{
  line-height: .556rem;
  font-size: .333rem;
  white-space: nowrap;
  }
  .company_info_left svg{
    width: .444rem;
    height: .444rem;
  }
  .company_add,.company_phone,.company_shop{
    gap: .139rem;
  }
  .company_info_right img{
    width: 2.778rem;
    height: 2.778rem;
  }
  }