*,
*:before,
*:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Helvetica Neue", "Microsoft YaHei UI", Arial, "Times New Roman", "Hiragino Sans GB", "STHeiti", "WenQuanYi Micro Hei", SimSun, Song, sans-serif;
    color: #555;
    line-height: 2em;
    font-size: 16px;
    max-width: 800px;
    margin: 20px auto;
    padding: 0 10px;
    background-color: #FFF;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: bold;
    line-height: 1.2em;
    margin: 1.2em 0 0.6em 0;
}

p {
    display: block;
    margin: 0 0 1.1em;
    letter-spacing: 0.04em;
    /*text-align: justify;*/
    /*margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;*/
}

h1 {
    /*font-size: 41.6px;*/
    font-size: 2.2em;
}

h2 {
    /*font-size: 34.4px;*/
    font-size: 1.7em;
}

h3 {
    /*font-size: 27.2px;*/
    font-size: 1.4em;
}

h4 {
    /*font-size: 20px;*/
    font-size: 1.2em;
}

h5 {
    /*font-size: 18px;*/
    font-size: 1.08em;
}

h6 {
    /*font-size: 16px;*/
    font-size: 1em;
}

a {
    color: #1980e6;
    text-decoration: none;
    transition: background-color ease-in-out .15s, color ease-in-out .15s, border-color ease-in-out .15s;
    -webkit-transition: background-color ease-in-out .15s, color ease-in-out .15s, border-color ease-in-out .15s;
}

a:hover,
a:focus {
    color: #0f4d8a;
    text-decoration: underline
}

a:focus {
    outline: thin dotted;
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px
}

ul,
ol {
    /*line-height: 1.6em;*/
    /*margin-top: 0;*/
    /*margin-bottom: 1.1em;*/
    margin: 0 0 1.4em 1.4em;
    padding-left: 0;
}

li {
    /*line-height: 1.6em;*/
}

pre, code {
    font-family: "Source Code Pro","YaHei Consolas Hybrid","Microsoft YaHei Mono",Consolas,monospace;
}

pre {
    display: block;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 0;
    border: 0;
    margin: 0 0 10.5px;
}

code {
    color: #c7254e;
    background-color: #f9f2f4;
    border-radius: 4px;
    white-space: normal;
    padding: 2px 4px;
    font-size: 90%;
}

pre code {
    padding: 1em 1em !important;
    border-radius: 0;
    white-space: pre;
    background-color: transparent;
    line-height: 1.5em;
}

pre code.markdown-metadata {
    /*border-left: .5em solid #80CBC4;*/
    border-left: 0;
}

aside {
    display: block;
    float: right;
    width: 390px;
}

blockquote {
    border-left: 10px solid rgba(102,128,153,0.075);
    background-color: rgba(102,128,153,0.05);
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    padding: 10px 15px;
    margin-left: 0;
}

blockquote p {
    /*color: #666;*/
    margin-bottom: 1.1em;
    font-size: 1em;
    font-weight: 300;
}

blockquote p:last-child {
    margin-bottom: 0;
}

hr {
    margin: 2em 0;
    border: 0;
    border-top: 1px solid rgba(102,128,153,0.1);
    box-sizing: content-box;
    height: 0;
    /*display: block;
    text-align: left;
    margin: 1em 0;
    border: none;
    height: 2px;
    background: #999;*/
}

table {
    margin-bottom: 20px;
    border-collapse: collapse;
    max-width: 100%;
    background-color: transparent;
    /*padding: 0;
    border-collapse: collapse;*/
}

table tr {
    border-top: 1px solid #ddd;
    background-color: transparent;
    margin: 0;
    padding: 0;
}

table tr:nth-child(2n) {
    background-color: #f8f8f8;
}

table tr th {
    font-weight: bold;
    border: 1px solid #ddd;
    margin: 0;
    padding: 0.5em;
    background-color: #f8f8f8;
}

table tr td {
    border: 1px solid #ddd;
    margin: 0;
    padding: 0.5em;
}

table tr th :first-child,
table tr td :first-child {
    margin-top: 0;
}

table tr th :last-child,
table tr td :last-child {
    margin-bottom: 0;
}

div.mermaid-diagram {
    margin: 16px 0px 16px 0px;
    overflow-y: hidden;
}

div.flowchart-diagram {
    padding: 0px 5px 0px 5px;
    margin: 16px 0px 16px 0px;
    width: fit-content;
    overflow: hidden;
}

div.plantuml-diagram {
    padding: 5px 5px 0px 5px;
    margin: 16px 0px 16px 0px;
    width: fit-content;
    overflow: hidden;
}

.img-package {
    text-align: center;
}

img.img-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

div.img-caption {
    min-width: 20%;
    max-width: 80%;
    display: inline-block;
    padding: 10px;
    margin: 0 auto;
    border-bottom: 1px solid #c0c0c0;
    color: #6c6c6c;
    text-align: center;
    line-height: 1.5;
}

.emoji_zero,
.emoji_one,
.emoji_two,
.emoji_three,
.emoji_four,
.emoji_five,
.emoji_six,
.emoji_seven,
.emoji_eight,
.emoji_nine {
    margin-left: 5px;
    margin-right: 8px;
}

div.preview-hint {
    opacity: 0.5;
    margin-top: 30%;
    margin-bottom: 30%;
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


/* For Highlight.js Line Number */

table.hljs-ln tr {
    border: none;
    background-color: transparent;
}

table.hljs-ln tr td {
    border: none;
    background-color: transparent;
}

table.hljs-ln tr td.hljs-ln-numbers {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    text-align: center;
    color: #AAA;
    border-right: 1px solid #CCC;
    vertical-align: top;
    padding-right: 5px;
    white-space: nowrap;
}

table.hljs-ln tr td.hljs-ln-code {
    padding-left: 10px;
}

::-webkit-scrollbar {
    background-color: #EAEAEA;
    width: 14px;
    height: 14px;
    border: none;
}

::-webkit-scrollbar-corner {
    background-color: #EAEAEA;
}

::-webkit-scrollbar-button {
    /* This selector affects the styling of both the up & down and left & right buttons of a scrollbar */
    height: 14px;
    width: 14px;
    background-color: #EAEAEA;
}

::-webkit-scrollbar-button:hover {
    background-color: #D0D0D0;
}

::-webkit-scrollbar-button:active {
    background-color: #B2B2B2;
}

::-webkit-scrollbar-track {
    /* This selector affects the styling of the area in the scrollbar between the two buttons */
    background-color: #EAEAEA;
}

::-webkit-scrollbar-thumb {
    /* This selector affects the styling of draggable element of the scollbar */
    border: none;
    background-color: #DADADA;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #D0D0D0;
}

::-webkit-scrollbar-thumb:active {
    background-color: #B2B2B2;
}

::-webkit-scrollbar-button:horizontal:increment {
    background-image: url(right.svg);
    background-repeat: no-repeat;
    background-size: contain;
}

::-webkit-scrollbar-button:horizontal:decrement {
    background-image: url(left.svg);
    background-repeat: no-repeat;
    background-size: contain;
}

::-webkit-scrollbar-button:vertical:increment {
    background-image: url(down.svg);
    background-repeat: no-repeat;
    background-size: contain;
}

::-webkit-scrollbar-button:vertical:decrement {
    background-image: url(up.svg);
    background-repeat: no-repeat;
    background-size: contain;
}

::selection {
    background: #1976D2;
    color: #F5F5F5;
}

.modal-box {
    background-color: rgb(234, 234, 234);
    background-color: rgba(234, 234, 234, 0.95);
}

span.modal-close {
    color: #666666;
}

span.modal-close:hover,
span.modal-close:focus {
    color: #2f2f2f;
}
