/* 把我们所有标签的内外边距清零 */
* {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
}
/* em 和 i 斜体的文字不倾斜 */
em,
i {
    font-style: normal
}

/* 去掉li 的小圆点 */
li {
    list-style: none
}

img {
    /* border 0 照顾低版本浏览器 如果 图片外面包含了链接会有边框的问题 */
    border: 0;
    /* 取消图片底侧有空白缝隙的问题 */
    vertical-align: middle
}

button {
    /* 当我们鼠标经过button 按钮的时候，鼠标变成小手 */
    cursor: pointer
}
body {
    /* CSS3 抗锯齿形 让文字显示的更加清晰 */
    -webkit-font-smoothing: antialiased;
    /* background-color: #fff;
    font: 12px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    color: #666 */
}

.hide,
.none {
    display: none
}

/* 清除浮动 */
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0
}
/* 导航栏 */
a{
    color: #9dbce8;
    text-decoration: none;
    transition: 0.3s;
   
  }
  a:hover{
    opacity: 0.7;
  }
  .logo{
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  
  nav{
    display: flex;
    justify-content: space-around;
    align-items: center;
    background:#252534;
    height: 8vh; 
  }
  .nav-list{
    /*黑点消失*/
    list-style: none;
    display: flex;
    
  }
  .nav-list li{
    letter-spacing: 3px;
    margin-left: 32px;
  }
  .zy
  {
  position: right;
  padding: 40px 0;
  background: #bdd2ee;
  display: flex;
  border-radius: 200px;
  /* 光晕 */
  box-shadow: 0 5px 25px #9dbce8;
  }
  .zy li
  {
  list-style: none;
  text-align: center;
  display: block;
  
  }
  .zy li:not(:last-child)
  {
  border-right: 1px solid rgba(12, 11, 11, 0.2);
  }
  .zy li a
  {
  text-decoration: none;
  padding: 0 60px;/*导航窗长度*/
  display: block;
  }
  .zy li a .icon
  {
  min-width: 60px;
  height: 30px;/*导航窗宽度*/
  text-align: center;
  margin: 0 auto ;
  overflow: hidden; 
  }
  .zy li a .icon img
  {
  width: 100%;
  height: 100%;
  line-height: 38px;
  font-size: 1.5em;
  transition: 0.5s;
  -webkit-text-stroke: 2px #9dbce8;
  color: transparent;
  }
  .zy li a .icon img:last-child
  {
  color: #2196f3;
  -webkit-text-stroke: 0px #bdd2ee;
  transform: translateY(-250%);
  }
  
  
  .zy li a:hover img
  {
  transform: translateY(100%);
  }
  .zy li a:hover img:last-child
  {
  transform: translateY(-100%);
  }
  .zy li a .text
  {
  position: relative;
  height: 25px;
  width: 100%;
  display: block;
  overflow: hidden;
  text-transform: uppercase;
  font-weight: 500;
  }
  /* 导航栏字 */
  .zy li a .text span
  {
  display: block;
  position: relative;
  color: #2e4b72;
  font-size: 1em;
  line-height: 20px;
  transition: 0.5s;
  }
  .zy li a .text span::before
  {
  content: attr(data-text);
  position: absolute;
  top: 100%;
  height: 100%;
  color:#2196f3;
  }
  .zy li a:hover .text span
  {
  transform: translateY(-20px);
  }
  @media (max-width:768px)
  {
  .zy
  {
    flex-direction: column;
    padding: 20px 30px;
    width: 300px;
  }
  .zy li a
  {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
  }
  .zy li:not(:last-child)
  {
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  }
  .zy li a .icon
   {	
    margin: 0 auto ;	
   }
  .zy li a .text
  {
    text-align: start;
  }
  
  }
  /* 导航结束 */