/* 导航栏-PC */
.header{
  height: 86px;
  width: 100%;
  background: rgba(255, 255, 255, .3);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999999;
}

.call_me{
  text-decoration: none;
  color: #fff;
}

/* 白色背景 */
.header_back_white {
  border-bottom: 2px solid #eee; 
  background: #fff !important;
  z-index: 999;
}


.header_content{
  height: 100%;
  width: 67%;
  max-width: 1320px;
  margin: 0 auto;
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-end;
  justify-content: space-between;
  /* justify-content: space-evenly; */
}

.header_logo{
  height: 28px;
  cursor: pointer;
}
.header_logo img{
  height: 100%;
}
.header_menu{
  width: 70%; 
  line-height: 1;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
}
.header_menu_item{
   font-size: 18px;
   cursor: pointer;
   position: relative;
}
.header_menu_item>a{
  color: initial;
  text-decoration: none;
}
.header_menu_item_select>a{
  color: #cf1220;
}
.header_menu_item>div{
  position: absolute;
  left: 0;
  top: 1em;
  padding-top: .5em;
}
.header_menu_list{
  display: none;
  background: #fff;
  /* padding: 10px; */
  box-sizing: content-box;
  white-space: nowrap;
  border: 1px solid #eee;
  border-radius: 3px;
}
.header_menu_list>a{
  display: block;
  padding: 10px 20px;
  border-bottom: 1px solid #ccc;
  font-size: 16px;
  color: #484848;
  text-decoration: none;
  position: relative;
}
.header_menu_list>a:hover{
  color: #000;
}
.header_menu_list>a:first-of-type{
  margin-top: 10px;
}
.header_menu_list>a:last-of-type{
  border-bottom: 0;
  margin-bottom: 10px;
}

.header_menu_list>a:hover + div,.header_menu_list2:hover{
  display: block;
}

.header_menu_list2{
  position: absolute;
  left: calc(100% + 5px);
  top: 20px;
  background: #fff;
  padding: 10px;
  box-sizing: content-box;
  white-space: nowrap;
  border: 1px solid #eee;
  display: none;
}
.hml_2{
  top: 65px;
}
.header_menu_list2::before{
  content: '';
  position: absolute;
  width: 15px;
  height: 100%;
  left: -10px;
  top: 0;
}

.header_menu_list2>a{
  display: block;
  padding: 6px 6px;
  border-bottom: 1px solid #ccc;
  font-size: 14px;
  color: #484848;
  text-decoration: none;
}
.header_menu_list2>a:hover{
  color: #000;
}
.header_menu_list2>a:last-of-type{
  border-bottom: 0;
}

.header_menu_item:hover .header_menu_list{
  display: block;
}

.header_lan{
  /* position: absolute;
  bottom: 12px;
  right: 50px; */
}
.header_lan>a{
  font-size: 16px;
  line-height: 1;
  color: #484848;
  cursor: pointer;
}
.header_lan>a:hover{
  color: #000;
}
.header_lan>a:nth-child(1){
  margin-right: 10px;
}

.header_contact{
  position: absolute;
  right: 0;
  top: 24px;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
}
.header_contact_btn{
  margin-right: 20px;
  background: #cf1323;
  cursor: pointer;
  font-size: 16px;
  height: 2em;
  line-height: 2em;
  padding: 0 1em;
  border-radius: .2em;
  color: #fff;
  transition: all .1s;
}
.header_contact_btn:hover{
  opacity: .7;
}
.header_contact_tel{
  
}
.header_contact_tel>a{
  text-decoration: none;
  font-size: 16px;
  color: #cf1220;
  transition: all .1s;
}
.header_contact_tel>a:hover{
  opacity: .7;
}

/* 导航栏-Mobile */
.header_m{
  display: none;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  pointer-events: none;
}
.header_m_top{
  width: 100%;
  height: 65px;
  background: rgba(255, 255, 255, .7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all .2s ease-in-out;
  pointer-events: all;
}
.header_m_top>a>img{
  width: 90px;
  margin-left: 15px;
}
.header_m_top_right{
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.header_m_top_right a{
  font-size: 15px;
  color: #121212;
  margin-right: 20px;
  text-decoration: none;
  text-align: right;
}
.header_m_top_right img{
  width: 21px;
  margin-right: 15px;
  cursor: pointer;
}
.header_m_top_right_open{
  display: block;
}
.header_m_top_right_close{
  display: none;
}

.header_m_menu_list{
  width: 100%;
  height: calc(100% - 65px);
  background: #fff;
  overflow-y: scroll;
  padding-top: 15px;
  /* display: none; */
  position: absolute;
  left: 100%;
  transition: all .3s ease-in-out;
}
.header_m_menu_item{
  margin-top: 20px;
}
.header_m_menu_list .header_m_menu_item:last-child{
  margin-bottom: 30px;
}
.header_m_menu_item_txt{
  font-size: 16px;
  line-height: 1em;
  font-weight: bold;
  color: rgb(0,57,137);
  padding: 0 24px;
  position: relative;
}
.header_m_menu_item_txt>a{
  text-decoration: none;
  color: rgb(0,57,137);
}

.header_m_menu_item_txt::before{
  content: "·";
  font-weight: initial;
  position: absolute;
  left: 15px;
}
.header_m_menu_item_list{
  margin-top: 15px;
  background: #eeeeee;
  display: flex;
  flex-wrap: wrap;
}
.header_m_menu_item_item{
  width: 50%;
  /* height: 40px;
  line-height: 40px; */
  /* color: #484848; */
  color: #000;
  font-size: 14px;
  box-sizing: border-box;
  padding: 14px 15px;
  border-bottom: 1px solid #dcdcdc;
  white-space: nowrap;
}
.header_m_menu_item_item>a{
  text-decoration: none;
  color: #000;
}

.header_m_menu_item_list>div:nth-child(odd){/*奇数*/
  border-right: 1px solid #dcdcdc;
}
.header_m_menu_item_list>div:nth-last-child(1){/*最后一个*/
  border-bottom: none;
}
.header_m_menu_item_list>div:nth-last-child(2):nth-child(odd){/*倒数第二个，且是奇数*/
  border-bottom: none;
}
.header_m_menu_item_list2{
  margin-top: .6em;
}
.header_m_menu_item_list2 a{
  text-decoration: none;
  color: #000;
  display: block;
  line-height: 2;
  padding-left: 1em;
  font-size: 12px;
}

/* 打开 */
.header_m_open{
  pointer-events: all;
}
.header_m_open .header_m_top{
  background-color: #e5e5e5;
}
.header_m_open .header_m_top_right_open{
  display: none;
}
.header_m_open .header_m_top_right_close{
  display: block;
}
.header_m_open .header_m_menu_list{
  /* display: block; */
  left: 0%;
}

/* banner */
.banner{
  width: 100%;
  font-size: 0;
  display: none;
}
.banner img{
  width: 100%;
}

.banner_pc{
  width: 100%;
  font-size: 0;
  margin-top: 86px;
}
.banner_pc img{
  width: 100%;
}


@media only screen and (max-width: 1660px){
  .header_menu_item{
    padding: 0 5px;
  }
}

@media only screen and (max-width: 1360px){
  .header{
    height: 70px;
  }
  .header_content{
    width: 98%;
  }
  .header_menu_item{
    font-size: 16px;
  }
  .header_menu_list>a{
    font-size: 14px;
  }
  .header_lan>a{
    font-size: 14px;
  }

  .header_contact{
    top: 18px;
  }
  .header_contact_btn{
    font-size: 14px;
  }
  .header_contact_tel>a{
    font-size: 14px;
  }
}

@media only screen and (max-width: 1120px){
  .header_menu_item{
    padding: 0 5px;
  }
}

/* mobile */
@media only screen and (max-width: 1024px){
  .header{
    display: none;
  }
  .header_m{
    display: block;
  }
  .banner{
    /* display: block; */
    display: none;
    width: 100%;
    padding-bottom: 50%;
    position: relative;
    overflow: hidden;
  }
  .banner img{
    position: absolute;
    left: 0%;
    height: 100%;
    width: initial;
  }
  /* .banner_pc{
    display: none; 
  } */

}

@media only screen and (max-width: 768px){
  .banner{
    padding-bottom: 50%;
  }
  .banner img{
    left: 0%;
  }
}


@media only screen and (max-width: 560px){
  .banner{
    padding-bottom: 80%;
  }
  .banner img{
    left: -5%;
  }
}