* {
  font-family: "PingFang SC", "微软雅黑", "Microsoft YaHei", Helvetica, "Helvetica Neue", Tahoma, Arial, sans-serif;
}
div {
  box-sizing: border-box;
}
.dk-page-header {
  position: fixed;
  width: 100%;
  height: 60px;
  z-index: 3;
  background: #fff;
  top: 0;
  left: 0;
  transition: top 0.3s;
}
.dk-page-header.cur {
  top: -60px;
}
.dk-page-header .main-box {
  position: relative;
  z-index: 11;
  height: 60px;
}
.dk-page-header .slide-nav-box {
  pointer-events: none;
  position: fixed;
  width: 100%;
  height: calc(100vh);
  top: 0 ;
  left: 0;
  background: #fff;
  z-index: 9;
  box-sizing: border-box;
  padding: 60px 50px 0 40px;
  transform: translate3d(-8rem, 0, 0);
  transition: transform 0.5s;
}
.dk-page-header .slide-nav-box.cur {
  transform: translate3d(0, 0, 0);
  pointer-events: auto;
}
.dk-page-header .slide-nav-box .nav-m {
  padding-top: 40px;
  width: 100%;
  height: 100%;
  overflow: auto;
}
.dk-page-header .slide-nav-box .nav-m a.nav-c {
  display: block;
  width: 100%;
  height: 60px;
  color: #333;
  font-size: 20px;
  line-height: 60px;
  border-top: 1px solid #e6e6e6;
}
.dk-page-header .slide-nav-box .nav-m a.nav-c:first-child {
  border: none;
}
.dk-page-header .slide-nav-box .nav-m a.nav-c.cur {
  color: #c4050a;
}
.dk-page-header .slide-nav-box .nav-m .lang-tap {
  margin-top: 40px;
}
.dk-page-header .slide-nav-box .nav-m .lang-tap a {
  display: inline-block;
  vertical-align: top;
  font-size: 20px;
  line-height: 60px;
  color: #333;
}
.dk-page-header .slide-nav-box .nav-m .lang-tap a:nth-child(1) {
  padding-right: 30px;
  position: relative;
}
.dk-page-header .slide-nav-box .nav-m .lang-tap a:nth-child(1):after {
  position: absolute;
  content: "";
  width: 1px;
  height: 20px;
  top: 20px;
  right: 15px;
  background: #e6e6e6;
}
.dk-page-header .slide-nav-box .nav-m .lang-tap a.cur {
  font-weight: bold;
  color: #c4050a;
}
.dk-page-header .logo {
  position: absolute;
  width: auto;
  height: 30px;
  top: 50%;
  margin-top: -15px;
  left: 15px;
}
.dk-page-header .nav {
  display: none;
}
.dk-page-header .slide-menu {
  position: absolute;
  right: 15px;
  top: 50%;
  margin-top: -15px;
  width: 30px;
  height: 30px;
}
.dk-page-header .slide-menu.cur {
  background-size: 100% 100%;
  background-image: url("https://www.hisilicon.com/Assets/corp/bciw/img/icon/close.png");
}
.dk-page-header .slide-menu.cur span {
  display: none;
}
.dk-page-header .slide-menu span {
  position: absolute;
  width: 30px;
  height: 2px;
  background: #000;
  left: 0;
}
.dk-page-header .slide-menu span:nth-child(1) {
  top: 4px;
}
.dk-page-header .slide-menu span:nth-child(2) {
  top: 14px;
}
.dk-page-header .slide-menu span:nth-child(3) {
  bottom: 4px;
}
@media (min-width: 769px) {
  .dk-page-header {
    height: 70px;
    position: relative;
    background: none;
  }
  .dk-page-header .slide-nav-box {
    display: none;
  }
  .dk-page-header .main-box {
    width: 97%;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
    overflow: hidden;
    height: 70px;
  }
  .dk-page-header .main-box a {
    display: inline-block;
  }
  .dk-page-header .main-box .logo {
    position: static;
    display: block;
    width: auto;
    height: 30px;
    margin: 15px 0;
  }
  .dk-page-header .main-box .logo-mb,
  .dk-page-header .main-box .slide-menu {
    display: none;
  }
  .dk-page-header .main-box .nav {
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    text-align: right;
    height: 41px;
    margin-top: 15px;
  }
  .dk-page-header .main-box .nav .lang-tap {
    display: inline-block;
    vertical-align: top;
    line-height: 1;
    padding: 10px 5px 13px 0;
    color: #fff;
    margin-left: 45px;
  }
  .dk-page-header .main-box .nav .lang-tap a {
    color: #fff;
  }
  .dk-page-header .main-box .nav .lang-tap a.cur,
  .dk-page-header .main-box .nav .lang-tap a:hover {
    color: #c4050a;
  }
  .dk-page-header .main-box .nav .nav-c {
    vertical-align: top;
    display: inline-block;
    line-height: 1;
    padding: 10px 5px 13px 0;
    border-bottom: 1px solid #fff;
    margin-left: 45px;
    color: #fff;
    text-decoration: none;
  }
  .dk-page-header .main-box .nav .nav-c:first-child {
    margin-left: 0;
  }
  .dk-page-header .main-box .nav .nav-c:hover,
  .dk-page-header .main-box .nav .nav-c.cur {
    border-bottom: 1px solid #c4050a;
  }
}
.dk-page-footer {
  background: #f0f0f0;
  color: #333;
}
.dk-page-footer .share-btns {
  height: 0.8rem;
  text-align: center;
}
.dk-page-footer .share-btns .hover-code .code {
  display: none;
  position: absolute;
  bottom: 0.9rem;
  left: 50%;
  margin-left: -1rem;
  width: 2rem;
  height: 2rem;
  padding: 0.2rem;
  background: #fff;
  box-shadow: 0 0 0.1rem #ccc;
}
.dk-page-footer .share-btns .hover-code .code img {
  display: block;
  width: 100%;
  height: 100%;
}
.dk-page-footer .share-btns .hover-code:hover .code {
  display: block;
}
.dk-page-footer .share-btns a,
.dk-page-footer .share-btns .hover-code {
  position: relative;
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  vertical-align: top;
  border-radius: 50%;
  background: #333;
  margin: 0 0.27rem;
}
.dk-page-footer .share-btns a > img,
.dk-page-footer .share-btns .hover-code > img {
  position: absolute;
  width: 70%;
  height: 70%;
  top: 15%;
  left: 15%;
}
.dk-page-footer .share-btns a:hover,
.dk-page-footer .share-btns .hover-code:hover {
  background: #c7000b;
}
.dk-page-footer .copy-right {
  font-size: 0.28rem;
  text-align: center;
  line-height: 2;
}
.dk-page-footer .legal {
  background: #333;
  height: 0.8rem;
  text-align: center;
  overflow: hidden;
  margin-top: 0.37rem;
}
.dk-page-footer .legal a {
  display: inline-block;
  vertical-align: top;
  line-height: 0.8rem;
  color: #fff;
  font-size: 0.28rem;
  margin: 0 0.28rem;
}
@media (min-width: 769px) {
  .dk-page-footer {
    padding: 10px 0;
    line-height: 30px;
  }
  .dk-page-footer .main-box {
    width: 97%;
    height: 30px;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
  }
  .dk-page-footer .main-box .share-btns {
    position: absolute;
    right: 0;
    top: 2px;
    height: 26px;
    text-align: right;
  }
  .dk-page-footer .main-box .share-btns .hover-code {
    cursor: pointer;
  }
  .dk-page-footer .main-box .share-btns .hover-code .code {
    bottom: 30px;
    margin-left: -60px;
    width: 110px;
    height: 110px;
    padding: 10px;
    box-shadow: 0 0 10px #ccc;
  }
  .dk-page-footer .main-box .share-btns .hover-code .code img {
    display: block;
    width: 90px;
    height: 90px;
  }
  .dk-page-footer .main-box .share-btns .hover-code:hover .code {
    display: block;
  }
  .dk-page-footer .main-box .share-btns a,
  .dk-page-footer .main-box .share-btns .hover-code {
    position: relative;
    display: inline-block;
    width: 26px;
    height: 26px;
    vertical-align: top;
    border-radius: 50%;
    background: #333;
    margin: 0 9px;
  }
  .dk-page-footer .main-box .share-btns a:hover,
  .dk-page-footer .main-box .share-btns .hover-code:hover {
    background: #c7000b;
  }
  .dk-page-footer .main-box .share-btns a:last-child,
  .dk-page-footer .main-box .share-btns .hover-code:last-child {
    margin-right: 0;
  }
  .dk-page-footer .main-box .copy-right {
    margin-top: 0;
    font-size: 14px;
    line-height: 30px;
    color: #666;
  }
  .dk-page-footer .main-box .copy-right p {
    display: inline-block;
    margin-right: 10px;
  }
  .dk-page-footer .main-box .legal {
    position: absolute;
    top: 0;
    right: 290px;
    background: none;
    height: 30px;
    line-height: 30px;
    text-align: left;
    overflow: hidden;
    margin-top: 0;
  }
  .dk-page-footer .main-box .legal a {
    display: inline-block;
    vertical-align: top;
    line-height: 30px;
    color: #666;
    font-size: 14px;
    margin: 0 15px;
  }
}