/**
 * @description: 清除浮动
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 响应式图片
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 横向排列，垂直居中布局
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 单行文本超出隐藏
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 多行文本超出隐藏
 * @Author:
 * @param {Number} num 最多要显示几行
 * @return:
 */
/**
 * @description: flex 垂直居中布局
 * @Author:
 * @param {String} cposition 水平排列方式
 * @return:
 */
/**
 * @description: 设置元素尺寸
 * @Author:
 * @param {Number} w 宽度
 * @param {Number} h 高度
 * @return:
 */
/**
 * @description: 2x的雪碧图缩放
 * @Author:
 * @param {Number} spriteW 雪碧图原始宽度
 * @param {Number} spriteH 雪碧图原始高度
 * @param {Number} bgOffsetX 背景定位原始X轴偏移量
 * @param {Number} bgOffsetY 背景定位原始Y轴偏移量
 * @return:
 */
/**
 * @description: 设置字体
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 修改滚动条样式
 * @Author:
 * @param {String} scrollW 滚动条宽度
 * @param {String} scrollC 滚动条背景色
 * @param {String} trackP 滑块背景色
 * @return:
 */
/**
 * @description: 设置背景图
 * @Author:
 * @param {String} url 图片路径
 * @return:
 */
/**
 * @description: 修改输入框占位符的字体颜色
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 禁止选中内容
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 鼠标移入图片放大效果
 * @Author:
 * @param {type}
 * @return:
 */
/**
 * @description: 铺满整个容器的绝对定位
 * @Author: 
 * @param {type} 
 * @return: 
 */
/**
 * @description: 绝对定位水平垂直居中
 * @Author: 
 * @param {type} 
 * @return: 
 */
/**
 * @description: 统一容器,视项目不同,数值有所不同
 * @Author: 
 * @param {type} 
 * @return: 
 */
/**
 * @description: 替代flex的inline-block
 * @Author: 
 * @param {type} 
 * @return: 
 */
/**
 * @description: 首页栏目标题样式
 * @Author: 
 * @param {type} 
 * @return: 
 */
/**
 * @description: 两端对齐辅助元素
 * @Author: 
 * @param {type} 
 * @return: 
 */
div.i3 {
  padding: 0.7rem 0 0;
}
@media screen and (max-width: 1024px) {
  div.i3 {
    height: auto;
    padding: 0.6rem 0 0;
  }
}
div.i3 .lecture-knowledge .lecture-knowledge-content {
  padding: 0.8rem 0 0;
  position: relative;
}
@media screen and (max-width: 1024px) {
  div.i3 .lecture-knowledge .lecture-knowledge-content {
    padding: 0.6rem 0.3rem;
  }
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container {
  width: 100%;
  height: 4.96rem;
  overflow: hidden;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper {
  height: 100%;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide {
  -webkit-transition: 300ms;
  -moz-transition: 300ms;
  -ms-transition: 300ms;
  -o-transition: 300ms;
  transition: 300ms;
  position: relative;
  transition: all 0.5s;
  transform: scale(0.98);
  overflow: hidden;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .img {
  width: 100%;
  height: 100%;
  position: relative;
  text-align: center;
  overflow: hidden;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .img img {
  width: 100%;
  height: auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .bg {
  width: 100%;
  height: 100%;
  background: rgba(0, 14, 29, 0.6);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  transition: 0.8s;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor {
  width: 100%;
  height: 100%;
  padding: 1rem 0.45rem 0;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 10;
  transition: 0.8s;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor .title {
  font-size: 0.26rem;
  color: #F9FDFF;
  text-align: center;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor .desc {
  margin-top: 0.3rem;
  font-size: 0.16rem;
  color: #F9FDFF;
  line-height: 0.36rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor .more {
  margin: 0.5rem auto 0;
  width: 1.3rem;
  height: 0.4rem;
  border: 1px solid #FFFFFF;
  border-radius: 0.28rem;
  font-size: 0.2rem;
  color: #FFFFFF;
  line-height: 0.4rem;
  text-align: center;
}
@media screen and (max-width: 1024px) {
  div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor .title {
    font-size: 0.34rem;
  }
  div.i3 .lecture-knowledge .lecture-knowledge-content .swiper-container .swiper-wrapper .swiper-slide a .infor .desc {
    font-size: 0.3rem;
    margin-top: 0.2rem;
  }
}