.qianhe-head-top {
  position: relative;
  z-index: 11;
  width: 100%;
  height: 56px;
  background: #fff;
}
.qianhe-head-top .wp {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.qianhe-head-top .container {
  max-width: 1440px !important;
}
.qianhe-container {
  width: 1400px;
  margin: 0 auto;
}

.qianhe-head-fl span {
  margin-right: 20px;
}
.qianhe-head-fl span i {
  margin-right: 8px;
  vertical-align: middle;
  font-size: 20px;
}
.qianhe-head-fl span b {
  font-size: 16px;
  font-weight: 500;
  color: #666;
}

.qianhe-head-searchcon {
  position: relative;
  float: left;
  padding: 0 20px;
  height: 56px;
  line-height: 56px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qianhe-head-searchcon > i {
  font-size: 24px;
}
.qianhe-head-search {
  display: none;
  position: absolute;
  top: 55px;
  padding: 20px;
  background: #fff;
  box-shadow: 1px 3px 5px 2px rgba(0, 0, 0, 0.1);
}
.qianhe-head-searchbg {
  width: 260px;
  height: 38px;
  border: 1px solid #d9d9d9;
  border-radius: 50px;
}
.qianhe-head-search input {
  float: left;
  box-sizing: border-box;
  width: 208px;
  height: 36px;
  padding-left: 24px;
  font-size: 14px;
  color: #666;
  border: none;
  outline: none;
  background: 0 0;
}
.qianhe-head-search button {
  float: right;
  width: 50px;
  height: 38px;
  line-height: 38px;
  margin-top: -1px;
  background-color: var(--color-primary);
  border-top-right-radius: 16px;
  border-bottom-right-radius: 16px;
  border: 0;
}
.qianhe-head-search button i {
  color: white;
  font-size: 24px;
}

.qianhe-head-top .lang-selector {
  position: relative;
  float: left;
  padding-top: 2px;
}

.qianhe-head-link {
  float: left;
  margin-top: 14px;
  display: flex;
  align-items: center;
}
.qianhe-head-link a {
  width: 33px;
  height: 30px;
  background: #ccc;
  margin-left: 10px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.qianhe-head-link a:hover {
  background: var(--color-primary);
}
.qianhe-head-link i {
  color: white;
  font-size: 20px;
}
.qianhe-head-link i.qico-youtube1 {
  font-size: 26px;
}

.qianhe-header {
  position: relative;
  width: 100%;
  /*background: url("./pics/head-bg.jpg");*/
  background: #1296db;
  z-index: 10;
  font-size: 0;
}
.qianhe-header .container {
  max-width: 1440px !important;
}
.qianhe-header.header-fix,
.qianhe-mobile-nav.header-fix {
  position: fixed;
  top: 0;
  z-index: 10;
}
.qianhe-header .wp {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  align-items: center;
}

.qianhe-head-logo {
  /* width: 14%; */
  padding: 0;
}
.qianhe-head-logo img {
  max-width: 100%;
  max-height: 66px;
}

.qianhe-head-nav {
  /* width: 66%; */
  /* text-align: center; */
}
.qianhe-head-nav ul {
  width: 100%;
}
.qianhe-head-nav li {
  position: relative;
  display: inline-block;
  padding: 25px 20px;
}
.qianhe-head-nav li h3 {
  padding: 5px 0;
  border-bottom: 1px solid transparent;
}
.qianhe-head-nav li h3.down {
  -webkit-transition: 0.3s all;
  -moz-transition: 0.3s all;
  -ms-transition: 0.3s all;
  transition: 0.3s all;
}
.qianhe-head-nav li a {
  display: block;
  padding: 0 2px;
  font-size: 15px;
  text-decoration: none;
}
.qianhe-head-nav li h3 a {
  color: #fff;
}
.qianhe-head-nav li h3 a i {
  font-size: 12px;
}
.qianhe-head-nav li:hover h3,
.qianhe-head-nav li.current h3 {
  border-bottom-color: rgba(255, 255, 255, 0.5);
}
.qianhe-nav-slidedown {
  display: none;
  position: absolute;
  width: 226px;
  top: 100%;
  left: 0;
  padding: 0 20% 18px;
  background: #fff;
  text-align: left;
  z-index: 2;
  box-shadow: 2px 3px 6px 2px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}
.qianhe-head-nav li .qianhe-nav-slidedown a {
  height: auto;
  padding-top: 18px;
  font-size: 15px;
  color: #666;
}
.qianhe-head-nav li .qianhe-nav-slidedown a:hover {
  color: var(--color-primary);
}
.qianhe-header .qianhe-href {
  padding: 0;
  text-align: right;
}
.qianhe-href a {
  display: inline-block;
  padding: 13px 10px;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  font-size: 14px;
  color: #fff;
  text-decoration: none;
  border-radius: var(--button-radius);
}
.qianhe-href a:hover {
  background: none;
  color: var(--color-primary);
}

.qianhe-mobile-height {
  display: none;
  height: 60px;
  overflow: hidden;
}
.qianhe-mobile-nav {
  display: none;
  width: 100%;
  height: 60px;
  background: url("./pics/head-bg.jpg");
  z-index: 999;
  box-shadow: 0 0 25px 0 rgba(0, 0, 0, 0.1);
}
.qianhe-m-navleft {
  float: left;
}
.qianhe-m-navcenter {
  float: left;
  width: calc(100% - 125px);
  margin-top: 10px;
  text-align: center;
}
.qianhe-m-navcenter img {
  max-width: 110px;
  max-height: 46px;
}
.qianhe-m-navright {
  float: right;
}
.qianhe-m-navright .qianhe-href a {
  margin-top: 12px;
  padding: 12px;
  font-size: 12px;
}

.qianhe-m-navico {
  line-height: 60px;
}
.qianhe-m-navico i {
  color: white;
  font-size: 22px;
}

.qianhe-m-navlist {
  position: fixed;
  left: -80%;
  top: 0;
  bottom: 0;
  width: 76%;
  padding: 0 0 20px;
  background: #fff;
  box-shadow: 1px 2px 8px 3px rgba(0, 0, 0, 0.2);
  overflow: scroll;
  z-index: 999;
}
.qianhe-m-navlist .navlist-logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  font-size: 24px;
  background: url("./pics/head-bg.jpg");
}
.qianhe-m-navlist .navlist-logo img {
  width: 100px;
}
.qianhe-m-navlist .navlist-logo i {
  float: right;
  font-size: 20px;
  color: #fff;
}

.qianhe-m-navlistcon {
  margin-left: 20px;
}
.qianhe-m-navlistcon ul {
  display: none;
}
.qianhe-m-navlistcon span {
  display: block;
  border-bottom: 1px solid #dedede;
  overflow: hidden;
}
.qianhe-m-navlistcon span a {
  display: inline-block;
  width: 70%;
  padding: 15px 0;
  font-size: 16px;
  color: #000009;
  float: left;
}
.qianhe-m-navlistcon span a.on,
.qianhe-m-navlistcon li a.on {
  color: var(--color-primary);
}
.qianhe-m-navlistcon span i {
  float: right;
  padding: 18px 6% 18px 0;
  font-size: 12px;
}
.qianhe-m-navlistcon ul li {
  margin-left: 20px;
  border-bottom: 1px solid #dedede;
}
.qianhe-m-navlistcon ul li a {
  display: block;
  padding: 15px 0;
  font-size: 15px;
  color: #666;
}
.qianhe-m-navlistcon ul li a b {
  padding-left: 10px;
}
.qianhe-m-navlistcon .xla-three {
  border-top: 1px solid #dedede;
  padding-left: 20px;
}

.qianhe-gotop {
  position: fixed;
  right: 10px;
  top: 50%;
  display: none;
  margin-top: -61px;
  z-index: 100;
}
.qianhe-gotop a {
  display: block;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  margin: 10px 0;
  text-align: center;
  line-height: 46px;
  box-shadow: 1px 2px 6px 2px rgb(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.qianhe-gotop a:hover {
  background: none;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.qianhe-gotop a i {
  font-size: 24px;
}

@media screen and (max-width: 1580px) {
  .qianhe-container {
    width: 82%;
  }
}

@media screen and (max-width: 1400px) {
  .qianhe-head-top {
    height: 46px;
  }

  .qianhe-head-fl span img {
    margin-top: 16px;
  }

  .qianhe-head-searchcon {
    height: 46px;
    line-height: 48px;
  }
  .qianhe-head-search {
    top: 46px;
  }

  .qianhe-head-link {
    margin-top: 9px;
  }

  /* .qianhe-header {
    padding: 15px 0;
  } */

  .qianhe-head-logo {
    width: 16%;
  }

  .qianhe-href a {
    padding: 13px 6px;
    font-size: 12px;
  }
  .qianhe-head-nav {
    /* width: 62%; */
  }
  .qianhe-head-nav li {
    padding: 25px 14px;
  }
  .qianhe-head-nav li a {
    font-size: 14px;
  }
}

@media screen and (max-width: 992px) {
  .qianhe-head-top {
    position: relative;
  }

  .qianhe-head-fl span b {
    font-size: 14px;
  }

  .qianhe-head-searchcon {
    position: static;
    padding: 0 10px;
  }
  .qianhe-head-search {
    width: 100%;
    left: 0;
  }
  .qianhe-head-searchbg {
    width: auto;
  }

  .qianhe-head-link {
    display: none;
  }

  .qianhe-header-height {
    display: none;
  }
  .qianhe-header {
    display: none;
  }

  .qianhe-mobile-height {
    display: block;
    position: relative;
    z-index: 9;
  }
  .qianhe-mobile-nav {
    display: block;
  }

  .qianhe-mobile-nav .container {
    max-width: 991px;
  }

  .qianhe-container {
    width: 88%;
  }
}

@media screen and (max-width: 400px) {
  .qianhe-m-navright {
    display: none;
  }
}

@media screen and (max-width: 375px) {
  .qianhe-head-fl span {
    margin-right: 0;
  }
  .qianhe-head-fl span b {
    font-size: 12px;
  }
}