html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
}

.main-content {
    padding-top: 1rem;
    padding-bottom: 0.5rem;
    line-height: 1.75;
}

/** .doc-side-menu **/

.doc-side-menu {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #ccc;
}

.doc-side-menu .container {
    padding: 0;
}

.doc-side-menu .iconfont {
    margin-right: 5px;
}

#sideMenuModal .modal-dialog {
    margin: 0 100px 0 0;
    max-width: 450px;
}

#sideMenuModal .modal-content {
    border-left: none;
    border-bottom: none;
    border-top: none;
    border-radius: 0;
}

#sideMenuModal .modal-body {
    padding-left: 1.5rem;
}

#sideMenuModal .close {
    position: relative;
    top: -10px;
}

/*** .doc-side-nav ***/

.doc-side-nav {
    display: none;
}

/** .doc-side-list **/
.doc-side-list h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #000;
}

.doc-side-list ol {
    font-size: 15px;
    padding: 0 0 8px 22px;
    margin: 0;
}

.doc-side-list .iconfont {
    margin-right: 5px;
    font-size: 16px;
    /*color: #0d6efd;*/
}

.doc-side-list li {
    padding-bottom: 4px;
    line-height: 1.5;
}

.doc-side-list a {
    color: #212529;
}

.doc-side-list a:hover {
    color: #007bff;
    text-decoration: underline;
}

.doc-side-list .active, .doc-side-list .active a {
    color: #007bff;
}


/******* screen size ***********/
@media (min-width: 768px) {
    .doc-side-nav {
        display: block;
        position: sticky;
        top: 5rem;
        padding-right: 2px;
        height: calc(100vh - 5.6rem);
        overflow-y: auto;
    }

    .doc-side-menu {
        display: none;
    }
}

/*
@media (min-width: 1600px) {
    .modal-xl {
        max-width: 1540px;
    }
}
 */

/***************  .doc-main *************/


.doc-main {
    padding: 0 5px 5px 25px;
    color: #24292f;
    font-size: 15px;
    line-height: 1.5;
    /*font-family: "-apple-system", BlinkMacSystemFont, "微软雅黑", "PingFang SC", Helvetica, Arial, "Hiragino Sans GB", "Microsoft YaHei", SimSun, "宋体", Heiti, "黑体", sans-serif;*/
    font-family: "Times New Roman", "-apple-system", BlinkMacSystemFont, "微软雅黑", "PingFang SC", Helvetica, Arial, "Hiragino Sans GB", "Microsoft YaHei", SimSun, "宋体", Heiti, "黑体", sans-serif;
}

/* hx */
.doc-main h1, .doc-main h2, .doc-main h3, .doc-main h4, .doc-main h5, .doc-main h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}

.doc-main h1 {
    color: #e83e8c;
    font-size: 2.25em;
    margin: 0.2em 0 0.67em 0;
    font-weight: bold;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #e83e8c;
    border-bottom: none;
    text-align: center;
}

.doc-main h2 {
    font-weight: bold;
    padding-bottom: 0.3em;
    font-size: 1.75em;
    border-bottom: 1px solid #d8dee4;
}

.doc-main h3 {
    font-weight: bold;
    font-size: 1.5em;
}

.doc-main h4 {
    font-weight: bold;
    font-size: 1.25em
}

.doc-main h5, .doc-main h6 {
    font-weight: bold;
    font-size: 1em;
}

.doc-main strong {
    color: red;
}

.doc-main em {
    font-style: normal;
    font-weight: bold;
}

/* margin-bottom */
.doc-main p, .doc-main blockquote, .doc-main ul, .doc-main ol, .doc-main dl, .doc-main table, .doc-main pre, .doc-main details {
    margin-top: 0;
    margin-bottom: 16px;
}

.doc-main blockquote {
    margin: 0;
    padding: 0 1em;
    color: #57606a;
    border-left: 0.25em solid #d0d7de;
}

/* table */

.doc-main th {
    background-color: #f6f8fa;
}

.doc-main td, .doc-main th {
    border: 1px solid #d0d7de;
    padding: 6px 13px;
}

/* image */
.doc-main .img-border {
    border: 1px solid #EEE
}

.doc-main .p-center {
    text-align: center;
}

/* formula */
.doc-main .formula-p, .doc-main .formula-p1, .doc-main .formula-p2, .doc-main .formula-p3 {
    text-align: center;
}

.doc-main .formula-p, .doc-main .formula-span {
    font-family: KaTeX_Math, Constantia, "Times New Roman", serif;
}

.doc-main .formula-span1 {
    font-family: "Times New Roman", serif;
}

.doc-main .formula-span, .doc-main .formula-span1 {
    background: #efe;
    padding: 3px;
    margin: 0 3px;
    border-radius: 2px;
}


.doc-main .formula-p1 img {
    height: 50px;
    border: none;
}

.doc-main .formula-p2 img {
    height: 75px;
    border: none;
}

.doc-main .formula-p3 img {
    height: 100px;
    border: none;
}

.doc-main .formula-var {
    font-weight: normal;
    margin-left: 2em;
    font-family: KaTeX_Math, Constantia, "Times New Roman", serif;
}

.doc-main .formula-var:after {
    content: "——";
}

/* callout */
.doc-main .callout, .doc-main .callout-info, .doc-main .callout-warning, .doc-main .callout-danger {
    padding: 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    border-left-style: solid;
    border-left-width: 0.25rem;
}

.doc-main .callout {
    color: #212529;
    background-color: #f8f9fa;
    border-left-color: #dee2e6;
}

.doc-main .callout-info {
    color: #087990;
    background-color: #cff4fc;
    border-left-color: #9eeaf9;
}

.doc-main .callout-warning {
    color: #997404;
    background-color: #fff3cd;
    border-left-color: #ffe69c;
}

.doc-main .callout-danger {
    color: #b02a37;
    background-color: #f8d7da;
    border-left-color: #f1aeb5;
}

.doc-main .mi {
    color: #198754;
}

/* other */
.doc-main mark {
    background-color: #ff0;
}

.doc-main code, .doc-main tt {
    /*
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: #eff1f3;
    border-radius: 6px;
     */
    font-family: "system-ui", serif;
    margin: 0 2px;
}

/* doc-directory */
.doc-directory dd {
    margin-bottom: 2px;
}

/* zoom-img */
.doc-main .img-zoom {
    cursor: pointer;
}

#zoomImgModal .modal-body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 1rem;
}

#zoomImgModal .modal-footer {
    justify-content: center;
}

#zoomImgModal .modal-title {
    font-size: 18px;
}

#zoomImgModal .modal-body img {
    border: 1px solid #eee;
    max-width: 100%;
    max-height: 100%;
}