.header-fix{position:fixed;left:0;right:0;width:100%;z-index:100;}

.sutong-sitetop {
  background: #C8001D;
  height: 56px
}

.sutong-sitetop .wp {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center
}

.sutong-sitetop span.sutong-mo-header-menu,
.sutong-sitetop span.sutong-mo-header-search {
  width: 50px;
  height: 50px;
  display: none;
  line-height: 50px;
  font-size: 24px;
  padding: 0;
  text-align: center;
  color: #fff
}

.sutong-sitetop span.sutong-mo-header-menu i,
.sutong-sitetop span.sutong-mo-header-search i {
  font-size: 24px;
  line-height: 50px
}



.sutong-sitetop-left p {
  font-size: 16px;
  color: #fff;
  padding: 0 0 0 39px;
  line-height: 46px
}

.sutong-sitetop-left p.email {
  background: url('./pics/mail.png') no-repeat left center
}

.sutong-sitetop-left p a {
  color: #fff
}

.sutong-sitetop-right {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 30
}

.sutong-search span {
  cursor: pointer;
  text-align: center
}

.sutong-search span i {
  color: #fff;
  font-size: 18px;
  display: inline-block
}

.sutong-search-box {
  display: none;
  position: absolute;
  z-index: 9999;
  width: 100%;
  left: 0;
  right: 0;
  top: 56px;
  background: rgba(0, 0, 0, 0.6);
  padding: 33px 0
}

.sutong-search-box .close {
  position: absolute;
  right: 30px;
  top: calc(50% - 11px);
  line-height: 22px;
  height: 22px
}

.sutong-search-box .close i {
  font-size: 21px;
  color: #fff
}

.sutong-search-box .serchbox {
  width: 700px;
  margin: 0 auto;
  position: relative
}

.sutong-search-box .serchbox .submit_text {
  background: #fff;
  width: 100%;
  height: 47px;
  line-height: 47px;
  float: left;
  color: #111;
  padding: 0 90px 0 15px;
  font-size: 15px
}

.sutong-search-box .serchbox .submit_btn {
  position: absolute;
  right: 0;
  top: 0;
  width: 70px;
  height: 47px;
  line-height: 47px;
  background: var(--active-color);
  text-align: center;
  display: block;
  cursor: pointer
}

.sutong-search-box .serchbox .submit_btn i {
  font-size: 25px;
  color: #fff
}

.sutong-sitetop-right .line {
  width: 1px;
  height: 12px;
  background: #a4a8ab;
  margin: 0 15px
}

.sutong-header-lang {
  position: relative;
  z-index: 30;
  margin-right: 30px
}

.sutong-header-lang .box {
  height: 30px;
  cursor: pointer;
  display: flex;
  justify-content: flex-start;
  align-items: center
}

.sutong-header-lang .box img {
  height: 16px
}

.sutong-header-lang .box em {
  margin: 0 7px;
  line-height: 18px;
  font-size: 15px;
  color: #fff;
  text-transform: uppercase
}

.sutong-header-lang .box i {
  width: 15px;
  line-height: 18px;
  font-size: 14px;
  text-align: center;
  color: #fff
}

.sutong-header-lang .lang-box {
  width: 200px;
  padding: 15px;
  position: absolute;
  right: 0;
  top: 42px;
  z-index: 200;
  background: #fff;
  transform: translate3d(0, 10px, 0);
  -webkit-transform: translate3d(0, 10px, 0);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease 0s;
  box-shadow: 0 0 10px rgba(63, 62, 62, 0.2)
}

.sutong-header-lang .lang-box::before {
  content: '';
  position: absolute;
  right: 37px;
  top: -8px;
  overflow: hidden;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #fff;
  border-left: 8px solid transparent;
  display: block
}


.sutong-header-lang ul {
  max-height: 160px;
  overflow-y: scroll;
  padding: 5px 10px;
  border: 1px solid #e5e5e5;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap
}

.sutong-header-lang ul li {
  line-height: 20px;
  padding: 5px 0;
  border-bottom: 1px solid #f5f5f5;
  width: 50%
}

.sutong-header-lang ul li:last-child {
  border: none;
  
}



.sutong-header-lang ul li a {
  color: #333;
  font-size: 14px;
  display: block
}

.sutong-header-lang ul li a:hover {
  color: var(--active-color)
}

.sutong-header-lang ul li img {
  vertical-align: middle;
  margin-right: 7px
}

.sutong-header-lang:hover .lang-box {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0)
}

.sutong-share {
  font-size: 0
}

.sutong-share a {
  width: 31px;
  height: 31px;
  line-height: 31px;
  border-radius: 50%;
  background: #007fb1;
  display: inline-block;
  text-align: center
}



.sutong-share a i {
  font-size: 16px;
  color: #fff
}

.sutong-share a:hover {
  opacity: .7
}

.sutong-share a:nth-child(2) {
  background: #0086b3
}

.sutong-share a:nth-child(3) {
  background: #537bbc
}

.sutong-share a:nth-child(4) {
  background: #e52d26
}

.sutong-share a:nth-child(5) {
  background: #fc0003
}



.sutong-sitetop .sutong-share a + a {
  margin-left: 12px
}

.sutong-header {
 background: rgba(50,50,50,0.6);
  height: 110px;
  box-shadow: 0 3px 7px rgba(0, 0, 0, 0.06);
  position: absolute;
  width: 100%;
  left: 0;
  right: 0;
  z-index: 30;
}

.sutong-header > .wp {
  height: 100%;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center
}

.sutong-header-right {
  display: flex;
  align-items: center;
}

.sutong-nav > ul {
  display: flex;
  align-items: center
}

.sutong-nav > ul > li {
  position: relative
}
.sutong-nav > ul > li:nth-child(3){position: static;}
.sutong-nav > ul > li + li {
  margin-left: 40px
}

.sutong-nav > ul > li > a {
  display: block;
  font-size: 15px;
  color: #fff;
  height: 40px;
  line-height: 40px;
  text-align: center
}

.sutong-nav > ul > li ul {
  position: absolute;
  width: 220px;
  height: auto;
  left: -40px;
  top: 48px;
  z-index: 30;
  padding: 10px 7px;
  border-radius: 6px;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease 0s;
  transform: translate3d(0, 10px, 0);
  -webkit-transform: translate3d(0, 10px, 0);
  box-shadow: rgba(0, 0, 0, 0.14) 0 0 9px 0
}

.sutong-nav > ul > li > ul::before {
  content: '';
  position: absolute;
  left: 65px;
  margin: 0;
  top: -8px;
  overflow: hidden;
  display: inline-block;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #fff;
  border-left: 8px solid transparent
}

.sutong-nav > ul > li > ul li {
  border-bottom: 1px solid #ededed;
  position: relative
}

.sutong-nav > ul > li > ul li:last-child {
  border: none;
}


.sutong-nav > ul > li > ul li > a {
  display: block;
  border-radius: 4px;
  padding: 9px 10px;
  color: #333;
  font-size: 16px;
  line-height: 21px;
  text-transform: capitalize
}

.sutong-nav > ul > li > ul > li > a {
  padding-right: 20px
}

.sutong-nav > ul > li > ul li > a i {
  position: absolute;
  right: 10px;
  top: 10px;
  font-size: 11px
}

.sutong-nav > ul > li > ul li > a:hover {
  background: var(--active-color);
  color: #fff
}

.sutong-nav > ul > li > ul li ul {
  left: 230px;
  top: 0
}

.sutong-nav > ul > li:hover > a,
.sutong-nav > ul > li.active > a {
  color: var(--active-color)
}

.sutong-nav > ul > li:hover > a > i {
  transform: rotate(180deg);
  -webkit-transform: rotate(180deg)
}

.sutong-nav ul li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0)
}

.sutong-header-right .quote {
  margin-left: 40px;
  width: 170px;
  height: 42px;
  line-height: 42px;
  background: #C8001D;
  font-size: 13px;
  color: #fff;
  font-weight: 500;
  text-align: center
}

.sutong-header-right .quote:hover {
  background: var(--btn-bg-hover);
}

.sutong-header-right span.sutong-mo-header-menu {
  width: 40px;
  height: 40px;
  line-height: 40px;
  font-size: 24px;
  background: #C8001D;
  text-align: center;
  color: #fff;
  display: none
}

.sutong-header-right span.sutong-mo-header-menu i {
  font-size: 24px
}

.sutong-mo-leftmenu {
  background: #f5f5f5;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-x: hidden;
  box-sizing: content-box;
  width: 70%;
  max-width: 350px;
  -webkit-overflow-scrolling: touch;
  z-index: 105 !important;
  -ms-transition: all 0.4s cubic-bezier(0.7,0,0.2,1);
  transition: all 0.4s cubic-bezier(0.7,0,0.2,1);
  -ms-transform: translateX(-100%);
  transform: translateX(-100%)
}

.sutong-mo-leftmenu .tit {
  height: 56px;
  background: #485157;
  display: flex;
  align-items: center
}

.sutong-mo-leftmenu .tit h6 {
  flex: 1;
  color: #fff;
  padding: 0 0 0 20px;
  font-size: 20px;
  font-weight: bold;
}

.sutong-mo-leftmenu .tit span {
  cursor: pointer;
  width: 50px;
  text-align: center;
  display: block
}

.sutong-mo-leftmenu .tit span i {
  color: #fff;
  font-size: 16px
}

.sutong-mo-leftmenu > ul > li {
  line-height: 50px;
  font-size: 15px;
  border-top: 2px solid #e5e5e5;
  position: relative
}

.sutong-mo-leftmenu > ul > li > a {
  padding: 0 0 0 20px
}

.sutong-mo-leftmenu > ul > li > i {
  position: absolute;
  color: #333;
  font-size: 12px;
  top: 5px;
  right: 0;
  z-index: 1;
  width: 50px;
  line-height: 40px;
  text-align: center;
  cursor: pointer
}

.sutong-mo-leftmenu ul li a {
  color: #333;
  display: block
}

.sutong-mo-leftmenu ul li a:hover {
  text-decoration: none
}

.sutong-mo-leftmenu ul li ul {
  display: none;
  padding-bottom: 10px
}

.sutong-mo-leftmenu ul li ul li {
  line-height: 35px
}

.sutong-mo-leftmenu ul li ul li a {
  padding: 0 0 0 25px
}

.sutong-mo-leftmenu ul ul i {
  font-size: 12px;
}

.sutong-menu-transitioning {
  -ms-transform: translateX(0);
  transform: translateX(0);
  box-shadow: 0 0 40px rgba(82, 85, 90, 0.4);
}

.sutong-popup-mask {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  -webkit-transition: opacity 0.3s 0s, visibility 0s 0.3s;
  -moz-transition: opacity 0.3s 0s, visibility 0s 0.3s;
  transition: opacity 0.3s 0s, visibility 0s 0.3s;
  z-index: 1000
}

.sutong-popup-mask.is-visible {
  opacity: 1;
  visibility: visible;
  -webkit-transition: opacity 0.3s 0s, visibility 0s 0s;
  -moz-transition: opacity 0.3s 0s, visibility 0s 0s;
  transition: opacity 0.3s 0s, visibility 0s 0s
}

.sutong-popup-close {
  position: absolute;
  top: -15px;
  right: -15px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  width: 30px;
  height: 30px;
  border: 2px solid white;
  border-radius: 50%;
  background: #6c6c6c;
  cursor: pointer;
}

.sutong-popup-close:hover {
  background: var(--btn-bg);
}

.sutong-popup-close i {
  color: white;
  font-size: 20px;
}

@media screen and (max-width: 1500px) {
  .sutong-nav > ul > li + li {
    margin-left: 30px
  }

  .sutong-header-right .quote {
    width: 150px;
    height: 40px;
    line-height: 40px
  }
}

@media screen and (max-width: 1281px) {
  .sutong-sitetop-left p {
    font-size: 15px
  }
  .sutong-logo img {
    height: 45px
  }
  .sutong-nav > ul > li + li {
    margin-left: 20px
  }
}

@media screen and (max-width: 1171px) {
  .sutong-nav {
    display: none
  }

  .sutong-header-right span.sutong-mo-header-menu {
    display: block
  }

  .sutong-header-right .quote {
    margin: 0 20px 0 0
  }
}

@media screen and (max-width: 992px) {
  .sutong-search-box {
    padding: 20px 0;
  }

  .sutong-search-box .box {
    padding: 0 55px 0 15px
  }

  .sutong-search-box .close {
    right: 15px
  }

  .sutong-search-box .close i {
    font-size: 18px;
  }

  .sutong-search-box .serchbox {
    width: 100%
  }

  .sutong-search-box .serchbox .submit_text,
  .sutong-search-box .serchbox .submit_btn {
    height: 38px;
    line-height: 38px;
  }
}

@media screen and (max-width: 768px) {
  .sutong-sitetop-left p,
  .sutong-header-right,
  .sutong-sitetop-right .sutong-share {
    display: none
  }

  .sutong-sitetop .wp {
    padding-left: 0
  }

  .sutong-sitetop span.sutong-mo-header-menu {
    display: block
  }

  .sutong-header-lang {
    margin-right: 0
  }

  .sutong-header {
    height: auto;
    padding: 20px 0
  }

  .sutong-header .sutong-logo {
    width: 100%;
    text-align: center
  }
}


/*产品导航下拉*/
.sutong-nav > ul > li .dropdown{position:absolute;z-index:30;top:110px;left:0;right:0;opacity:0;visibility:hidden;transition:all .4s ease 0s;transform:translate3d(0,10px,0);-webkit-transform:translate3d(0,10px,0);background:#fff;border-top:1px solid #F5F5F5;}
.sutong-nav > ul > li .dropdown .list-wrapper{padding:40px 0;}
.sutong-nav > ul > li .dropdown .list{display:flex;}
.sutong-nav > ul > li .dropdown .list+.list{margin-top:20px;}
.sutong-nav > ul > li .dropdown .list .f_img {width:21.875%;margin:0;position:relative;display:block;}
.sutong-nav > ul > li .dropdown .list .f_img:after{content:"";position:absolute;top:50%;right:-10px;display:block;width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:10px solid #ccc;transform:translateY(-50%)}
.sutong-nav > ul > li .dropdown .list .f_img .img {overflow:hidden;position:relative;height:100%;min-height:180px;}
.sutong-nav > ul > li .dropdown .list .f_img .img img {position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;}
.sutong-nav > ul > li .dropdown .list .f_img .img:after {content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#000;opacity:0.2;}
.sutong-nav > ul > li .dropdown .list .f_img h5{position:absolute;left:0;top:10px;text-align:center;width:100%;color:#fff;line-height:1.6;text-transform:capitalize;z-index:3;}

.sutong-nav > ul > li .dropdown .list .fz_jut {width:78.125%;padding-left:55px;display:flex;align-items:flex-start;justify-content:flex-start;flex-wrap:wrap;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item {margin:0 0 20px;width:25%;padding-left:20px;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl{}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dt{margin-bottom:20px;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dt a{display:flex;justify-content:space-between;align-items:center;font-size:18px;padding:16px 20px 15px 0;line-height:1;color:#333;border-bottom:1px solid #e8e8e8;text-transform:capitalize;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dt a span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dt a:hover {color:#c8001d,#9EC73C);}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dd{line-height:22px;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dd a{display:flex;color:#666;font-size:14px;padding-right:10px;margin-bottom:8px;text-transform:capitalize;padding-left:15px;position:relative;}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dd a:before {content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:#666;position:absolute;left:0;top:8px;}

.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dd a:hover{color:var(--link-color-hover,#9EC73C);}
.sutong-nav > ul > li .dropdown .list .fz_jut .item dl dd a:hover:before{background:var(--bg-color,#9EC73C);}


.sutong-nav > ul > li .dropdown .boot{background:#C8001D;padding:20px 0;transition:all 0.5s;}
.sutong-nav > ul > li .dropdown .boot .fz_lt{display:flex;justify-content:space-between;align-items:center;}
.sutong-nav > ul > li .dropdown .boot .fz_lt .font {}
.sutong-nav > ul > li .dropdown .boot .fz_lt .font h6{line-height:1;opacity:0.5;font-size:14px;margin-bottom:10px;color:#fff;}
.sutong-nav > ul > li .dropdown .boot .fz_lt .font p{font-size:24px;color: #fff;}
.sutong-nav > ul > li .dropdown .boot .fz_lt .fz_bt {display:flex;align-items:center;justify-content:center;border-radius:3px;background:#fff;width:180px;color:var(--text-color-active,black);transition:all 0.3s linear;font-size:16px;height:50px;border:1px solid #fff;}
.sutong-nav > ul > li .dropdown .boot .fz_lt .fz_bt i{margin-right:20px;font-size:20px;}
.sutong-nav > ul > li .dropdown .boot .fz_lt .fz_bt:hover {background:var(--btn-bg-hover,#05620D);color:#fff;}

.sutong-nav > ul > li:hover .dropdown{opacity:1;visibility:visible;transform:translate3d(0,0,0);-webkit-transform:translate3d(0,0,0);}