body {
    /* font-family: "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei", "\9ED1\4F53", Arial, sans-serif; */
    font-family: "Helvetica Neue",Helvetica,Arial,"Hiragino Sans GB","Microsoft YaHei",sans-serif;
    letter-spacing: .2px;
    text-rendering: optimizeLegibility;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 4px;
}

:hover::-webkit-scrollbar-thumb {
    background: hsla(0, 0%, 53%, 0.4);
}

:hover::-webkit-scrollbar-track {
    background: hsla(0, 0%, 53%, 0.1);
}
.markdown-section a{
    color: #2A82E4;
}
.markdown-section h1,
.markdown-section h2,
.markdown-section h3,
.markdown-section h4,
.markdown-section h5,
.markdown-section h6 {
    margin-bottom: .5em;
    font-weight: bold;
    font-size: 20px;
}

.markdown-section p {
    /* line-height: 2; */
    color: #4c596e;
    font-size: 15px;
}
.markdown-section div {
    /* line-height: 2; */
    font-size: 15px;
}
.markdown-section img {
    padding: 8px;
    background: #e4e4e478;
    transition: all 1s;
    box-sizing: border-box;
    box-shadow: 0 0 4px #dcdcdc;
    margin-left: 10px;
    margin-right: 10px;
    max-width: 95%;
}
.markdown-section img:hover {
    box-shadow: 0 0 10px #bbb
}

.exc-trigger {
    color: #333333;
    /* color: #c0c4cc; */
}

.navigation {
    display: none;
}

.sidebar-nav-space {
    height: 24px;
}
.book-summary{
    bottom: inherit;
    max-height: 90%;
    overflow: auto;
    position: absolute;
    height: 100%;
}
.book-summary,
.book-body {
    top: 60px;
}
.book-summary ul.summary li,span {
    font-size: 14px;
}

.book-summary ul.summary li.active {
    border-right: 3px solid #2A82E4;
    background: #f3f1f1;
}

.book-summary ul.summary li.active > a {
    color: #2A82E4;
    text-decoration: none;
}

.book-summary ul.summary li a:hover {
    text-decoration: none;
}

.page-inner {
    max-width: none;
    padding: 20px 374px 40px 40px;
}

.header-inner #book-search-input {
    float: right;
    width: 300px;
    margin: -5px 0;
    padding: 0;
    border: none;
    border-radius: .25rem;
    background: #2A82E4;
    user-select: none;
}

.header-inner #book-search-input input[type="text"] {
    width: 80%;
    background: #f4f5f5;
    /* border-top-left-radius: .25rem; */
    /* border-bottom-left-radius: .25rem; */
}

.header-inner #book-search-input #searchBtn {
    color: #ffffff;
    margin-left: 10px;
    cursor: pointer;
}

.header-inner #book-search-input #searchBtn:hover {
    color: #eae8e8;
}

.header-inner {
    width: 100%;
    padding: 15px 30px;
    border-bottom: 1px solid #dededede;
    margin: auto;
    /* *zoom: 1; */
    /* height: 80px; */
    height: 60px;
}

.header-inner:before,
.header-inner:after {
    content: " ";
    display: table;
    line-height: 0;
}

.header-inner:after {
    clear: both;
}

.header-inner .logo {
    float: left;
    height: 50px;
    width: 180px;
    background: url('./logo.svg');
    background-size: 221px 30px;
    background-repeat: no-repeat;
}

.header-inner .logo img {
    display: block;
    height: inherit;
    padding: 5px 0;
}

.header-inner .title {
    float: left;
    font-size: 20px;
    line-height: 60px;
    /* margin-left: 10px; */
    color: #575656;
    margin-top: -15px;
}

/* 导航 */
.header-inner .header-nav {
    list-style: none;
    margin: 10px 20px 0 0;
    padding: 0;
    float: right;
    display: table;
}

.header-inner .header-nav li {
    display: table-cell;
    vertical-align: middle;
    min-width: 50px;
    margin-right: 20px;
    padding: 8px 10px 8px 10px;
}

.header-inner .header-nav li a {
    color: #5d6778;
    font-weight: 500;
    padding: .5rem;
}

.header-inner .header-nav li a:hover,
.header-inner .header-nav li a.active {
    color: #2A82E4;
}

.header-inner .header-nav li a.active:hover {
    cursor: #2A82E4;
}

@media (max-width: 768px) {
    .book-summary,
    .book-body {
        top: 101px;
    }
    .header-inner #book-search-input {
        clear: both;
        width: 100%;
    }
}

.book-anchor {
    width: 307px;
    position: absolute;
    top: 104px;
    right: 30px;
    padding: 0 10px 10px 10px;
    z-index: 999;
    user-select: none;
    border-left: 1px solid #ececec;
    max-height: 90%;
    overflow: auto;
}

.book-anchor-title {
    line-height: 38px;
    font-weight: bold;
    cursor: pointer;
}

.book-anchor a {
    display: block;
    line-height: 30px;
    color: #656565;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif !important;
}

.book-anchor a:hover {
    color: #2A82E4;
    text-decoration: none;
}

.book-anchor .selected {
    color: #2A82E4;
    text-decoration: none;
    /* font-weight: bold; */
}

.book-anchor .anchor-h1 {}

.book-anchor .anchor-h2 {
    padding-left: 20px;
}

.book-anchor .anchor-h3{
    padding-left: 30px;
}

.book-anchor .anchor-h4{
    padding-left: 40px;
}

.book-anchor .anchor-h5{
    padding-left: 50px;
}