body {
    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background-color: #fffff8;
    color: #111;
    line-height: 1.5;

}

main {
    margin-left: auto;
    margin-right: auto;
    margin: 8px;
    display: block;
}

ul.index-list span.file-mod-time {
    font-size: 0.8rem;
    color: gray;
}

header {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

header .byline {
    font-style: italic;
    color: gray;
}

h1 {
    margin-top: 3rem;
    font-size: 3rem;
    line-height: 1;
    display: block;
}

#TOC {
    margin-bottom: 3rem;
}

h2, h3, h4, h5, h6 {
    margin-top: 3rem;
    margin-bottom: 1em;
}

article {
    
}

footer {
    margin-top: 3rem;
}

figure {
    margin: 0;
    width: 100%;
    max-width: 640%;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

figure > * {
    max-width: 100%;
}

figcaption {
    font-size: 0.8rem;
    color: grey;
}


a {
    color: black;
    text-decoration: none;
    word-break: break-word;     /* 处理长 URL 或长单词 */
    padding: 2px 0 1px 0;       /* 上右下左 */
    background-position: 0 0;
    background-size: 100% 200%;
    background-image: linear-gradient(
        transparent 0%, 
        transparent calc(50% - 3px), 
        rgba(154, 205, 50, 0.5) calc(50% - 3px), 
        rgba(154, 205, 50, 0.5) 100% 
    );
    transition: background-position 120ms ease-in-out, padding 120ms ease-in-out;
    -webkit-transition: background-position 120ms ease-in-out, padding 120ms ease-in-out;
}
 a:focus, a:hover {
    background-position: 0 100%;
}


.timestamps-table {
    display: table;
    width: 100%;
    border-collapse: collapse;
    margin-top: 3rem;
}

.timestamps-row {
  display: table-row;
}

.timestamps-cell {
    display: table-cell;
    border: 0px;
    padding: 0px 8px;
}

blockquote {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 40px;
    margin-inline-end: 40px;
    background-color: rgba(0, 0, 0, 0);
    border-inline-start: 2px solid Olive;
    padding-top: 0;
    padding-bottom: 0;
    padding-inline-start: 24px;
    margin-inline-start: 0;
    margin-inline-end: 0;
}

.callout {
    overflow: hidden;
    border-style: solid;
    border-color: #3C3C281A;
    border-width: 1px;
    border-radius: 4px;
    margin: 1em 0;
    background-color: #9191301A;
}

.callout-title {
    margin-top: 1em;
    font-size: 0.8em;
}

.note .callout-title::before {
    content: "💡"; /* 添加一个 emoji */
    display: inline-block; /* 使其成为块级元素 */
    margin-right: 0.8em;
}

a.footnote-ref {
    text-decoration: none; /* 去掉下划线 */
}


code {
    font-size: .8em;
    color: #F8F8F2;
    white-space: pre-wrap;
    word-break: break-word;     /* 处理长 URL 或长单词 */
    font-family: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    margin-left: 2px;
    margin-right: 2px;
    padding: .2em;
    border-radius: 3px;
    border: 1px solid #282828;
    background-color: #282828;
}


pre {
    display: block;
    background-color: #282828;
    margin: 1em 0;
    padding: 1em;
    border-radius: 3px;
    border: 1px solid #282828;
}

pre code {
    padding: 0px;
    margin: 0px;
}

pre.mermaid, pre.mermaid code  {
    all: initial;
}



/* 统一所有 table 的基础样式 */
table {
    width: 100%;
    border-collapse: collapse;  /* 去掉双线边框 */
    margin: 1em 0;
    font-size: 16px;
}

/* 表头样式 */
table thead th {
    text-align: left;           /* 左对齐 */
    background-color: #eaeacf;  /* 表头背景色 */
    font-weight: normal;
    padding: 8px;
    border-bottom: 2px solid #ddd;
}

/* 表格内容单元格 */
table td {
    text-align: left;           /* 左对齐 */
    padding: 8px;
    border-bottom: 1px solid #eee;
}

/* 行 hover 效果（可选） */
table tbody tr:hover {
    background-color: #f2f2df;
}





/* 小型设备（手机） */
@media (max-width: 800px) {
    /* 针对小型设备的样式 */

    main {
        width: 90%;
        padding-left: 5%;
    }

    main > *:not(:first-child) {
        width: 100%;
    }

    .aside, .footnotes {
        margin-top: 0.3rem;
        margin-bottom: 0;
        font-size: 1.1rem;
        line-height: 1.3;
        vertical-align: baseline;
        font-size: 0.8rem;
    }
}


/* 大型设备（桌面） */
@media (min-width: 801px) {
    /* 针对大型设备的样式 */

    main {
        width: 87.5%;
        padding-left: 12.5%;
        max-width: 1150px;
    }

    main > *:not(:first-child) {
        width: 55%;
    }

    .aside, .footnotes {
        float: right;
        clear: right;
        margin-right: -55%;
        width: 50%;
        margin-top: 0.3rem;
        margin-bottom: 0;
        font-size: 1.1rem;
        line-height: 1.3;
        vertical-align: baseline;
        position: relative;
        font-size: 0.8rem;
        top: -1rem; /* 向上移动 */
    }
}