/* 正常情况下750设计稿量多少写多少*@px2rem
在less中定义一个变量
@px2rem : 1/75rem;
然后量出的尺寸比如宽 100px;那么我们写成 width:100*@px2rem;即可
clac写法 height: calc(~“100% - 50*@{px2rem}”); */
/* 全局主题色 */
html,
body {
  margin: 0;
  padding: 0;
  font-size: 50px;
}
body {
  /* 隐藏滚动条 */
  scrollbar-width: none;
  -ms-overflow-style: none;
  font-family: Microsoft YaHei UI;
}
body::-webkit-scrollbar {
  display: none;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* 布局 */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-row {
  display: flex;
  flex-direction: row;
}
.flex-column {
  display: flex;
  flex-direction: column;
}
.flex-wrap {
  display: flex;
  flex-wrap: wrap;
}
.flex-nowrap {
  display: flex;
  flex-wrap: nowrap;
}
.align-items-start {
  display: flex;
  align-items: flex-start;
}
.align-items-between {
  display: flex;
  justify-content: space-between;
}
.align-items-center {
  display: flex;
  align-items: center;
}
.align-items-end {
  display: flex;
  align-items: flex-end;
}
.justify-content-start {
  display: flex;
  justify-content: flex-start;
}
.justify-content-center {
  display: flex;
  justify-content: center;
}
.justify-content-end {
  display: flex;
  justify-content: flex-end;
}
/* 导航栏 */
nav {
  width: 10rem;
  height: 80px;
  min-height: 60px;
  display: flex;
  flex-direction: row;
  z-index: 99999;
  background: #111111;
  position: fixed;
}
nav .navbar-header {
  width: 4.52083333rem;
}
nav .navbar-header .logo {
  width: 1.22916667rem;
  height: 0.25rem;
  min-width: 78.6px;
  min-height: 16px ;
  max-width: 236px;
  max-height: 48px;
  cursor: pointer;
}
nav .navbar-collapse ul {
  z-index: 99999;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  color: #FFFFFF;
}
nav .navbar-collapse ul li {
  z-index: 99999;
  list-style-type: none;
  margin-right: 0.32291667rem;
  width: 65px;
}
nav .navbar-collapse ul li a {
  display: flex;
  justify-content: center;
  align-items: center;
}
nav .navbar-collapse ul li a .content1 {
  font-size: 16px;
  font-family: Microsoft YaHei UI;
  font-weight: bold;
  opacity: 0.7;
  white-space: nowrap;
}
nav .navbar-collapse ul li a .content2 {
  font-size: 12px;
  font-family: Microsoft YaHei UI;
  opacity: 0.7;
  white-space: nowrap;
}
nav .navbar-collapse ul li:hover {
  cursor: pointer;
  color: #FCBC08;
}
.nav-list {
  width: 10rem;
  height: 256px;
  background: rgba(17, 17, 17, 0.8);
  display: flex;
  flex-direction: row;
  z-index: 9;
  position: fixed;
  top: 80px;
  z-index: 9999999;
  transition: 0.1s;
  overflow: hidden;
}
.nav-list .navbar-header {
  /* 隐藏的 */
  width: 4.52083333rem;
  visibility: hidden;
}
.nav-list .navbar-header .logo {
  width: 1.22916667rem;
  height: 0.25rem;
  min-width: 78.6px;
  min-height: 16px ;
  max-width: 236px;
  max-height: 48px;
}
.nav-list .list {
  width: 65px;
  display: flex;
  flex-direction: column;
  margin-right: 0.32291667rem;
  text-align: center;
  font-size: 16px;
  font-family: Microsoft YaHei UI;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 48px;
  opacity: 0.7;
}
.nav-list .list .item {
  white-space: nowrap;
}
.nav-list .list .item:hover {
  cursor: pointer;
  color: #FCBC08;
}
@media only screen and (max-width: 1024px) {
  /* 小于1024px*/
  nav .navbar-header {
    width: 2.95833333rem;
  }
  nav .navbar-collapse ul li {
    margin-right: 0rem;
    width: 1.11979167rem;
  }
  nav .navbar-collapse ul li a .content1 {
    font-size: 0.25rem;
  }
  nav .navbar-collapse ul li a .content2 {
    font-size: 0.18229167rem;
  }
  .nav-list .list {
    font-size: 0.18229167rem;
  }
}
.bottom-nav {
  width: 100vw;
  height: 480px;
  padding-top: 138px;
  position: relative;
  background: #333333 !important;
  z-index: 9;
  font-size: 16px;
  color: #b4b4b4;
  line-height: 48px;
}
.bottom-nav .list {
  margin-right: 39px;
}
.bottom-nav .list .item {
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
}
.bottom-nav .right {
  width: 400px;
  margin-left: 171px;
  text-align: left;
}
.bottom-nav .right .logo {
  width: 300px;
  margin-top: 15px;
  margin-bottom: 47px;
}
.bottom-nav .right .list {
  width: 400px;
  justify-content: space-between;
}
.bottom-nav .right .list .icon-box {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #666666;
  cursor: pointer;
  transition: 0.3s;
  position: relative;
}
.bottom-nav .right .list .icon-box img {
  width: 46px;
  height: 46px;
}
.bottom-nav .right .list .icon-box .bubble {
  width: 360px;
  min-height: 74px;
  visibility: hidden;
  background: #FFFFFF;
  border-radius: 8px;
  position: absolute;
  top: -98px;
  text-align: center;
  padding: 12px 25px 14px 16px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 24px;
  text-align: left;
  z-index: 9999;
}
.bottom-nav .right .list .icon-box .bubble::after {
  position: absolute;
  content: '';
  width: 0;
  height: 0;
  border: 10px solid;
  left: 165px;
  top: 68px;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 20px solid #FFFFFF;
}
.bottom-nav .right .list .icon-box .bubble-img {
  width: 230px;
  min-height: 134px;
  visibility: hidden;
  background: #FFFFFF;
  border-radius: 8px;
  position: absolute;
  top: -258px;
  text-align: center;
  padding: 12px 25px 14px 16px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 24px;
  text-align: left;
  z-index: 9999;
}
.bottom-nav .right .list .icon-box .bubble-img::after {
  position: absolute;
  content: '';
  width: 0;
  height: 0;
  border: 10px solid;
  left: 95px;
  top: 228px;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 20px solid #FFFFFF;
}
.bottom-nav .right .list .address:hover .bubble {
  visibility: visible !important;
}
.bottom-nav .right .list .phone:hover .bubble {
  visibility: visible !important;
}
.bottom-nav .right .list .wechat:hover .bubble {
  visibility: visible !important;
}
.bottom-nav .right .list .Tiktok:hover .bubble {
  visibility: visible !important;
}
.bottom-nav .right .list .icon-box:hover {
  background-color: #FCBC08;
  transition: 0.3s;
}
.bottom-nav .keepRecord {
  font-size: 12px;
  font-weight: 400;
  color: #FFFFFF;
  margin: 0.26041667rem 0 0.22395833rem 0;
  letter-spacing: 2px;
  text-align: center;
}
.bottom-nav .keepRecord a {
  text-decoration: none;
  color: #FFFFFF;
}
@media only screen and (max-width: 1300px) {
  /* 小于1300px*/
  .bottom-nav {
    height: 2.5rem;
    padding-top: 0.71875rem;
    font-size: 0.14583333rem;
    line-height: 0.25rem;
  }
  .bottom-nav .list {
    margin-right: 0.203125rem;
  }
  .bottom-nav .right {
    width: 2.08333333rem;
    margin-left: 0.890625rem;
  }
  .bottom-nav .right .logo {
    width: 1.5625rem;
    margin-top: 0.078125rem;
    margin-bottom: 0.24479167rem;
  }
  .bottom-nav .right .list {
    width: 2.08333333rem;
  }
  .bottom-nav .right .list .icon-box {
    width: 0.36458333rem;
    height: 0.36458333rem;
  }
  .bottom-nav .right .list .icon-box img {
    width: 0.23958333rem;
    height: 0.23958333rem;
  }
  .bottom-nav .keepRecord {
    font-size: 0.14583333rem;
    margin: 0.26041667rem 0 0.05208333rem 0;
    letter-spacing: 0px;
  }
}
.toTop {
  width: 0.41666667rem;
  height: 0.41666667rem;
  position: fixed;
  bottom: 0.41666667rem;
  right: 1.875rem;
  cursor: pointer;
  transition: 0.5s;
  opacity: 0;
  z-index: 999;
}