/* 超小屏幕（手机，小于 768px） */
/* 没有任何媒体查询相关的代码，因为这在 Bootstrap 中是默认的（还记得 Bootstrap 是移动设备优先的吗？） */
.content-wrapper {
  width: 100%;
  margin-bottom: 0;
  padding: 0 5px;
}

.content-nav {
  background: linear-gradient(to bottom,
      #e6e6e6 0%,
      #e6e6e6 50%,
      #027DBC 50.01%,
      #027DBC 100%);
}

.content-nav .squre {
  display: block;
  width: 100%;
  height: 0;
  padding-top: 90%;
  box-shadow: 0px 4px 3.8px 0.2px rgba(0, 0, 0, 0.35);
  background-color: #ffffff;
  text-align: center;
  color: #323232;
  text-decoration: none;
}

.content-item {
  width: 20%;
  float: left;
  position: relative;
}

.content-nav li a img {
  display: inline;
  top: 15%;
  margin-bottom: 32px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  height: auto;
}

.content-nav li a p {
  position: absolute;
  top: 60%;
  display: inline;
  text-align: center;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  font-size: 1rem;
}

.content-nav li {
  display: flex;
  justify-content: center;
  margin: 15px 0;
  padding: 0 5px;
}

/* 小屏幕（平板，大于等于 768px） */
@media (min-width: 768px) {
  .content-nav {
    /* background: #e6e6e6; */
    min-height: calc(100vh - 430px -340px -80px);
  }

  .content-wrapper {
    width: 60%;
  }
}

/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width: 992px) {
  .introduce {
    padding-top: 91px;
    padding-left: 64px;
    padding-right: 123px;
    padding-bottom: 90px;
  }

  .introduce .text-content {
    margin-left: 64px;
    width: 559px;
  }

  .introduce .text-content h3 {
    font-size: 30px;
    margin: 0;
    letter-spacing: 3px;
    color: #323232;
  }

  .introduce .text-content p {
    font-size: 14px;
    font-family: "Microsoft YaHei";
    margin: 0;
    letter-spacing: 1.4px;
    line-height: 30px;
    color: #323232;
    text-indent: 2em;
  }

  .content-wrapper {
    top: 56px;
    position: relative;
    z-index: 50;
  }

  .content-nav {
    height: 310px;
    position: relative;

  }

  .color-bg {
    height: 133px;
    background: #007dbc;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
  }

  .text-introduce {
    height: 122px;
    background: #e6e6e6;
    padding: 17px 43px 9px 43px;
    text-indent: 2em;
    margin-top: 12px;
    letter-spacing: 1.4px;
    line-height: 30px;
  }
}

.carousel {
  position: relative;
}

.carousel-control {
  background: none !important;
}

.carousel-control .glyphicon-menu-left,
.carousel-control .glyphicon-menu-right,
.carousel-control .icon-next,
.carousel-control .icon-prev {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: inline-block;
  font-size: 26px;
}

.glyphicon-menu-left {
  left: 30%;
}

.glyphicon-menu-right {
  right: 30%;
}



.carousel-inner .item .play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7.28rem;
  height: auto;
  transform: translate(-50%, -50%);
}


.carousel-inner p {
  position: absolute;
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width: 1200px) {}