/* 珠宝官网首页的css */

.head_nav{
  background-color: white;

}


/* 首页图片css */
.hero_color{
    background-image: linear-gradient(to right, rgb(111, 232, 223) 0%, rgb(237, 237, 235)70%);
}

.hero_a{
    position: relative;
    width: 200px;
    height: 40px;
    background-color:rgb(111, 232, 223);
}
.hero_p{
    position: absolute;
    width: 200px;
    height: 40px;
    
    
    top: 8px;
    left: 8px;
    
    border: 2px solid rgb(118, 118, 117);
}
@media (max-width: 576px) {
  .hero{
    position: relative;
  }

  .hero_color{
    position: absolute;
   width: 94%;
   margin-left: 12px;
   top:  -210px;
  
  }
  .hero_color h2 {
    
    font-size: 0.7rem !important;
    text-align: left;
  }
  .hero_a{
    position: absolute;
    margin-top: 120px;
    margin-left: 20%;

  }
}

/* 品牌系列css */
/* 部分css代码复用了style的代码 */
.brands{
    background-color:rgb(225, 250, 248);

}
.brand_titlebox1{
    width: 100px;
    height: 100px;
    border-radius: 50% 0 0 50%;
    background-color:rgb(111, 232, 223);
}
.brand_titlebox2{
    width: 100px;
    height: 100px;
    background-color:rgb(111, 232, 223);
}
.brand_titlebox3{
    width: 100px;
    height: 100px;
    border-radius: 0 50% 50% 0;
    background-color:rgb(111, 232, 223);

}

/* 品牌系列css */
.craft_titlebox{
    width: 500px;
    height: 80px;
    margin-left: 00px; 
    background-image: linear-gradient(to right, rgb(111, 232, 223) 0%, rgb(255, 255, 255)70%);
}

/* .video-container {
    position: relative;
    padding-bottom: 56.25%; 
    height: 0;
    max-width: 100%;
  } */

  .video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-height: 100%;
    object-fit: cover; /* 等比例缩放视频以适应容器 */
  }
.craft_rightBox{
    
  border-top: 1px solid rgb(111, 232, 223);
  border-bottom: 1px solid rgb(111, 232, 223);
  height: 135px;
  /* width: 400px; */
}
.craft_rightImg img{
    position: relative;
    width: 70%;
    padding-left: 2px;

}
@media (max-width: 576px) {
  .craft_rightBox p{
    font-size: 0.8rem;
  }
}

/* 品牌优势css */
#advantage{
     width: 100%;
     padding: 0px;
    /* height: 800px;   */
    /* background: url("../img/hero-bg.jpg") top center no-repeat; */
    /* background: url("../img/index_img/advan_back.png") ; */
    background-size: cover;
    position: relative;
    padding-top: 82px;
  }
  
  #advantage:before {
    content: "";
    background: rgba(111, 232, 223, 0.5);
    position: absolute;
    bottom: 0;
    top: 0;
    left: 0;
    right: 0;
  }
  .craft_rightBox p{
    font-size: 0.8rem;
  }
.advan_left{
    width: 60%;
    margin-top: 60px;
    margin-left: 60px;
}
.advan_left p{
    letter-spacing: 1px;
    line-height: 30px;
}

.advan_right{

   
    background-color: rgba(255, 255, 255, 0.8);

    
}
.advan_rightBox{
    position: relative;
    border-right: 1px solid rgb(111, 232, 223);
    /* border-bottom: 1px solid rgb(111, 232, 223); */
    height: 600px;
    
}
.square {
    width: 15px;
    height: 15px;
    background-color:rgb(111, 232, 223);
    transform: rotate(45deg);
  }

@media (max-width:768px){
  #advantage{
    width: 100%;
   
  
   background: url("../img/phone_img/3.jpg") !important;
   background-size: cover;
   background-position: left;
   
   position: relative;
   padding-top: 82px;
 }
  .advan_rightBox_title p{
    font-size: 0.8rem ;
    
  }
  .advan_rightBox{
    height: 300px;
  }
}

/* 发展历程 */
 #develop{
    width: 100%;
    padding: 0px;
    height: 100vh;
    /* height: 100vh; */
  
   /* background-image: url("../img/index_img/develop.png") ; */
   background-size: cover;
    background-position: center center;
   position: relative;
 
 }


 .develop_titlebox{
    /* position:absolute; */
    margin-left: 20%;
    width: 500px;
    height: 80px;
    background-image: linear-gradient(to right, rgb(111, 232, 223) 0%, rgb(255, 255, 255)70%);

 }
.P_2023{
 position:absolute;
   /* background-color: brown; */
    top: 12%;
    right: 40%;
}
.p_2022{
 position:absolute;
   /* background-color: brown; */
    margin-top: 2%;
    margin-left: 20%;
}
.P_2021{
 position:absolute;
   /* background-color: brown; */
   top: 30%;
    left: 16%;
}
.p_2019{
    position:absolute;
    /* background-color: brown; */
     margin-top: 9%;
     margin-left: 40%;

}
.p_2018{

    position:absolute;
   
    margin-top: 13%;
    right: 15%;
}
.p_2016{
 position:absolute;
   /* background-color: brown; */
    margin-top: 20%;
    right: 25%;
}
.p_2014{
 position:absolute;
   /* background-color: brown; */
    margin-top: 30%;
    right: 15%;
}
.p_2010{
 position:absolute;
   
   bottom: 13%;
   left: 45%;
}



 .p_2008{
    position:absolute;
   /* background-color: brown; */
    bottom: 8%;
    left: 32%;
 }

 .list-group-item.active{
  background-color:rgb(111, 232, 223) !important;
 
  border-color: white;
}
 @media (max-width: 576px) {
  #phone_dev{
    background-image: url('../img/index_img/index_dev.png') !important;
    background-size: cover;
    height: 200px;
    background-position: center;
    background-repeat: no-repeat;
   
  }
  .phone_dev p{
    font-size: 0.8rem;
    letter-spacing: 2px;
    line-height: 1.5;

   
  }
 }