html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.jc-flex-end {
    justify-content: flex-end;
}

.nav-cur {
    background-color: blue;
    color: #fff !important;
}

.article {
    white-space: pre-wrap;
    border: 2px solid #88C6E5;
    overflow: hidden;
    background-color:#def5b8;
}


.article-foot {
    display:flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.article-foot a {
    text-align: center;
    width: 30%;
    background-color: #f2f2f2;
    text-decoration: none;
    border: 1px solid #808080;
}
.article-foot a.nodata {
    border: none;
    background-color: darkgray;
    color: #fff;
}

.dir a {
    text-decoration: none;
    color: #000;
}
.dir a:visited {
    color: #338fdd;
}


.back-to-top {
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
}

.arrow-top {
    width: 20px;
    height: 20px;
    background-color: transparent; /* 模块背景为透明 */

    border-color: #fff;
    border-style: solid;
    border-width: 3px 3px 0 0;
    margin: 3px auto;
    transform: rotate(315deg); /*箭头方向可以自由切换角度*/
}

.lines2 {
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}