/* ul,
li {
    list-style: none;
    padding: 0;
    margin: 0;
} */
@keyframes fade-slide {
    from {
        opacity: 0;
        transform: translateY(120px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(120px);
    animation: fade-slide .6s ease forwards;
    animation-timeline: view();
    animation-range: entry 0% cover 40%;
}

.scroll-reveal-footer {
    animation-range: entry;
}

.fade-in-down {
    opacity: 0;
    transform: translateY(-100px);
    transition: all .6s cubic-bezier(.22, 1, .36, 1);
    /* 弹性缓动，很舒服 */
}

/* 激活状态：正常位置 + 显示 */
.fade-in-down.show {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    animation: fadeInUp .6s ease forwards;
    opacity: 0;
    /* 起始隐藏 */
}

/* .fade-in-up:nth-child(2) {
    animation-delay: .1s;
}

.fade-in-up:nth-child(3) {
    animation-delay: .2s;
} */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-100px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp50 {
    from {
        opacity: 0;
        transform: translateY(-100px);
    }

    to {
        opacity: 1;
        transform: translateY(-50%);
    }
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: white;
    transition: background-color 0.3s;
}

.header_index {
    background-color: transparent;

    .logotitle {
        color: oklch(0.75 0.15 282.94);
    }

    .navsideicon {
        color: white;
    }
}

content {
    display: block;
    padding-top: 64px;
}

.content-index {
    padding-top: 0;
}

.index-top-pic {
    width: 100%;
    height: 100vh;
    position: relative;
    user-select: none;

    .imgbg {
        width: 100%;
        height: 100%;
        object-fit: cover;
        backface-visibility: hidden;
        transition: opacity 1s, transform .25s, filter .25s;
    }

    .index-top-meta {
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        display: flex;
        justify-content: center;
        transform: translateY(-50%);
        animation: fadeInUp50 .6s ease forwards;
        opacity: 0;
    }
}



:root {
    /* scrollbar-width: thin; */
    /* auto | thin | none */
    scrollbar-color: unset;
    /* thumb track */
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
    padding: 0;
    border: none;
    border-radius: 2px;
}

::-webkit-scrollbar-thumb {
    border: 0px solid transparent;
    background-clip: border-box;
    background-color: #ccc;
    border-radius: 0px;
}

.about-content {
    width: 100%;
    outline: none;
    min-height: 120px;
    overflow-wrap: break-word;
    word-break: break-word;
    /* font-size:  16px; */

    :first-child {
        margin-top: 0;
    }

    code {
        background-color: var(--td-bg-color-container);
        border-radius: 0.4rem;
        color: var(--td-warning-color);
        font-size: 0.85rem;
        padding: 0.25em 0.3em;
        font-family: var(--code-font-family);
    }


    pre {
        background: var(--td-bg-color-container);
        border-radius: 0.5rem;
        font-family: var(--code-font-family);
        margin: 1.5rem 0;
        padding: 0.75rem 1rem;

        code {
            font-family: var(--code-font-family);
            background: none;
            color: inherit;
            font-size: 0.85rem;
            padding: 0;
            border: none;
        }

        /* Code styling */
        .hljs-comment,
        .hljs-quote {
            color: var(--td-text-color-placeholder);
        }

        .hljs-variable,
        .hljs-template-variable,
        .hljs-attribute,
        .hljs-tag,
        .hljs-name,
        .hljs-regexp,
        .hljs-link,
        .hljs-name,
        .hljs-selector-id,
        .hljs-selector-class {
            color: var(--td-error-color-5);
        }

        .hljs-number,
        .hljs-meta,
        .hljs-built_in,
        .hljs-builtin-name,
        .hljs-literal,
        .hljs-type,
        .hljs-params {
            color: var(--td-error-color-6);
        }

        .hljs-string,
        .hljs-symbol,
        .hljs-bullet {
            color: var(--td-warning-color-active);
        }

        .hljs-title,
        .hljs-section {
            color: var(--td-warning-color-hover);
        }

        .hljs-keyword,
        .hljs-selector-tag {
            color: var(--td-brand-color-active);
        }

        .hljs-emphasis {
            font-style: italic;
        }

        .hljs-strong {
            font-weight: 700;
        }
    }


    p.is-empty::before {
        color: var(--td-text-color-placeholder);
        content: attr(data-placeholder);
        float: left;
        height: 0;
        pointer-events: none;
    }





    h1:first-child,
    h2:first-child,
    h3:first-child,
    h4:first-child,
    h5:first-child,
    h6:first-child {
        margin-top: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        margin: 1.5rem 0 1rem 0;
        line-height: 1.1;
        text-wrap: pretty;
        font-weight: 600;
    }

    h1 code,
    h2 code,
    h3 code,
    h4 code,
    h5 code,
    h6 code {
        font-size: inherit;
        font-weight: inherit;
    }

    h1 {
        margin-top: 0;
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    h4,
    h5,
    h6 {
        font-size: 1rem;
    }

    p {
        margin: 1.1rem 0 0.5rem 0;
        white-space: normal;
        overflow-wrap: break-word;
        word-break: break-word;
        width: 100%;
        line-height: 1.6;
        hyphens: auto;
    }

    p:has(+ ul) {
        margin-bottom: 0;
    }

    a {
        color: var(--td-text-color-link);
        text-decoration: none;
        cursor: pointer;
    }

    a:hover {
        text-decoration: underline;
    }

    blockquote {
        border-left: 4px solid var(--td-brand-color);
        margin: 1.5rem 0;
        padding-left: 1rem;
        color: var(--td-text-color-secondary)
    }


    hr {
        border: none;
        border-top: 1px solid var(--td-component-border);
        margin: 2rem 0;
    }

    em {
        font-style: italic;
    }

    u {
        text-decoration: underline;
    }

    strong,
    strong * {
        font-weight: 600;
    }


    img {
        max-width: 800px;
        width: 100%;
        height: auto;
    }


    table {
        border-collapse: collapse;
        margin: 0;
        /* Allow action endpoints (rendered as decorations) to slightly overflow table edges */
        overflow: visible;
        table-layout: fixed;
        width: 100%;
        max-width: 100%;
        margin-bottom: 1em;
    }

    td,
    th {
        border: 1px solid var(--td-component-border);
        box-sizing: border-box;
        display: table-cell;
        min-width: 120px;
        padding: 6px 8px;
        position: relative;
        vertical-align: top;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    td>*,
    th>* {
        margin-bottom: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    th,
    th * {
        background-color: var(--td-bg-color-container);
        font-weight: bold;
        text-align: left;
    }

    .selectedCell {
        position: relative;
    }

    .selectedCell::after {
        content: '';
        position: absolute;
        inset: 0;
        pointer-events: none;
        border: 0 solid var(--td-brand-color);
        border-radius: 0;
        background: var(--td-brand-color);
        opacity: .3;
    }

    .selectedCell.selection-top::after {
        border-top-width: 2px;
    }

    .selectedCell.selection-bottom::after {
        border-bottom-width: 2px;
    }

    .selectedCell.selection-left::after {
        border-left-width: 2px;
    }

    .selectedCell.selection-right::after {
        border-right-width: 2px;
    }

    .column-resize-handle {
        background-color: var(--td-brand-color);
        bottom: -2px;
        pointer-events: none;
        position: absolute;
        right: -2px;
        top: 0;
        width: 4px;
    }

    table:has(.selectedCell) {
        caret-color: transparent !important;
        user-select: none !important;
    }

    table:has(.selectedCell) *::selection {
        background: transparent !important;
    }

    table:has(.selectedCell) .column-resize-handle {
        display: none;
    }

    /* Position row action buttons relative to first column cells */

    table tbody tr td:first-child,
    table tbody tr th:first-child {
        position: relative;
    }

    /* Position column action buttons relative to first row cells */

    table tbody tr:first-child td,
    table tbody tr:first-child th {
        position: relative;
    }


    ul,
    ol {
        padding: 0 1rem;
        margin: 1.25rem 1rem 1.25rem 0.4rem;
    }

    ul li p,
    ol li p {
        margin-top: 0.25em;
        margin-bottom: 0.25em;
    }

    /* Reduce spacing for nested lists */

    ul ul,
    ul ol,
    ol ul,
    ol ol {
        margin: 0.5rem 0.5rem 0.5rem 0.2rem;
    }

    ul {
        list-style: disc;
    }

    ol {
        list-style: decimal;
    }

    ul[data-type='taskList'] {
        list-style: none;
        margin-left: 0;
        padding: 0;

        li {
            align-items: center;
            display: flex;
        }

        li>label {
            flex: 0 0 auto;
            margin-right: 0.5rem;
            user-select: none;
            display: flex;
            align-items: center;
        }

        li>div {
            flex: 1 1 auto;
        }

        li>div p {
            margin: 0;
        }


        /* Checked task item appearance */

        li[data-checked='true']>div {
            color: var(--color-text-2);
            text-decoration: line-through;
        }

        input[type='checkbox'] {
            cursor: pointer;
        }

        /* Use primary color for checked checkbox */

        input[type='checkbox']:checked {
            accent-color: var(--td-brand-color);
            background-color: var(--td-brand-color);
            border-color: var(--td-brand-color);
        }

        ul[data-type='taskList'] {
            margin: 0;
        }
    }




    /* Math block */

    .block-math-inner {
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 1.2rem;
    }

    .tableWrapper {
        position: relative;
        margin: 1rem 0;
        display: grid;
        grid-template-columns: 1fr 25px;
        grid-template-rows: 1fr 25px;
        grid-template-areas:
            'table column-btn'
            'row-btn corner';
        gap: 5px;

        .table-container {
            grid-area: table;
            overflow-x: auto;
            overflow-y: visible;
        }

        .table-container::-webkit-scrollbar {
            cursor: default;
        }

        .table-container::-webkit-scrollbar:horizontal {
            cursor: default;
        }

        .table-container::-webkit-scrollbar-thumb {
            cursor: default;
        }

        .table-container::-webkit-scrollbar-track {
            cursor: default;
        }

        table {
            width: max-content;
            min-width: 100%;
        }

        .add-row-button,
        .add-column-button {
            border: 1px solid var(--color-border);
            background: var(--color-bg-base);
            border-radius: 4px;
            font-size: 12px;
            line-height: 1;
            cursor: pointer;
            display: none;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            z-index: 20;
            transition: all 0.2s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            pointer-events: auto;
        }

        .add-row-button:hover,
        .add-column-button:hover {
            background: var(--td-brand-color);
            color: white;
            border-color: var(--td-brand-color);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }

        .add-row-button:active,
        .add-column-button:active {
            transform: scale(0.98);
        }

        .add-row-button::before,
        .add-column-button::before {
            content: '+';
            font-weight: bold;
        }

        .add-row-button {
            grid-area: row-btn;
        }

        .add-column-button {
            grid-area: column-btn;
        }



        .add-row-button:hover,
        .add-column-button:hover {
            display: flex !important;
        }

        /* Row/Column action triggers (visible on cell selection) */

        .row-action-trigger,
        .column-action-trigger {
            position: absolute;
            height: 20px;
            border-radius: 8px;
            background: var(--td-brand-color);
            color: #fff;
            border: 1px solid var(--td-brand-color);
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            line-height: 1;
            z-index: 30;
            pointer-events: auto;
        }

        .row-action-trigger::before,
        .column-action-trigger::before {
            content: '•••';
        }
    }

    .tableWrapper:hover .add-row-button,
    .tableWrapper:has(.add-row-button:hover) .add-row-button,
    .tableWrapper:has(.add-column-button:hover) .add-row-button,
    .tableWrapper:hover .add-column-button,
    .tableWrapper:has(.add-row-button:hover) .add-column-button,
    .tableWrapper:has(.add-column-button:hover) .add-column-button {
        display: flex;
    }

    /* Do not show in readonly even on hover */

    .tableWrapper.is-readonly .add-row-button,
    .tableWrapper.is-readonly:hover .add-row-button,
    .tableWrapper.is-readonly .add-column-button,
    .tableWrapper.is-readonly:hover .add-column-button {
        display: none !important;
    }


}

.article-content {}

.article-content .title {
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 10px;
    margin-bottom: 15px;
    font-size: 20px;
}

.content-body>*:first-child {
    margin-top: 0 !important;
}

.content-body>*:last-child {
    margin-bottom: 0 !important;
}

.content-body a.absent {
    color: #CC0000;
}

.content-body a.anchor {
    bottom: 0;
    cursor: pointer;
    display: block;
    left: 0;
    margin-left: -30px;
    padding-left: 30px;
    position: absolute;
    top: 0;
}

.content-body a {
    color: #1890ff;
}

.content-body a:hover {
    color: #188fffb7;
}

.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4,
.content-body h5,
.content-body h6 {
    cursor: text;
    font-weight: bold;
    margin: 20px 0 10px;
    padding: 0;
    position: relative;
}

.content-body h1 .mini-icon-link,
.content-body h2 .mini-icon-link,
.content-body h3 .mini-icon-link,
.content-body h4 .mini-icon-link,
.content-body h5 .mini-icon-link,
.content-body h6 .mini-icon-link {
    color: #000000;
    display: none;
}

.content-body h1:hover a.anchor,
.content-body h2:hover a.anchor,
.content-body h3:hover a.anchor,
.content-body h4:hover a.anchor,
.content-body h5:hover a.anchor,
.content-body h6:hover a.anchor {
    line-height: 1;
    margin-left: -22px;
    padding-left: 0;
    text-decoration: none;
    top: 15%;
}

.content-body h1:hover a.anchor .mini-icon-link,
.content-body h2:hover a.anchor .mini-icon-link,
.content-body h3:hover a.anchor .mini-icon-link,
.content-body h4:hover a.anchor .mini-icon-link,
.content-body h5:hover a.anchor .mini-icon-link,
.content-body h6:hover a.anchor .mini-icon-link {
    display: inline-block;
}

.content-body h1 tt,
.content-body h1 code,
.content-body h2 tt,
.content-body h2 code,
.content-body h3 tt,
.content-body h3 code,
.content-body h4 tt,
.content-body h4 code,
.content-body h5 tt,
.content-body h5 code,
.content-body h6 tt,
.content-body h6 code {
    font-size: inherit;
}

.content-body h1 {
    color: #000000;
    font-size: 28px;
}

.content-body h2 {
    border-bottom: 1px solid #CCCCCC;
    color: #000000;
    font-size: 24px;
}

.content-body h3 {
    font-size: 18px;
}

.content-body h4 {
    font-size: 16px;
}

.content-body h5 {
    font-size: 14px;
}

.content-body h6 {
    color: #777777;
    font-size: 14px;
}

.content-body p,
.content-body blockquote,
.content-body ul,
.content-body ol,
.content-body dl,
.content-body table,
.content-body pre {
    margin: 15px 0;
}

.content-body hr {
    background: url("https://a248.e.akamai.net/assets.github.com/assets/primer/markdown/dirty-shade-350cca8f57223ebd53603021b2e670f4f319f1b7.png") repeat-x scroll 0 0 transparent;
    border: 0 none;
    color: #CCCCCC;
    height: 4px;
    padding: 0;
}

.content-body>h2:first-child,
.content-body>h1:first-child,
.content-body>h1:first-child+h2,
.content-body>h3:first-child,
.content-body>h4:first-child,
.content-body>h5:first-child,
.content-body>h6:first-child {
    margin-top: 0;
    padding-top: 0;
}

.content-body a:first-child h1,
.content-body a:first-child h2,
.content-body a:first-child h3,
.content-body a:first-child h4,
.content-body a:first-child h5,
.content-body a:first-child h6 {
    margin-top: 0;
    padding-top: 0;
}

.content-body h1+p,
.content-body h2+p,
.content-body h3+p,
.content-body h4+p,
.content-body h5+p,
.content-body h6+p {
    margin-top: 0;
}

.content-body li p.first {
    display: inline-block;
}

.content-body ul,
.content-body ol {
    padding-left: 30px;
}

.content-body ul.no-list,
.content-body ol.no-list {
    list-style-type: none;
    padding: 0;
}

.content-body ul li>*:first-child,
.content-body ol li>*:first-child {
    margin-top: 0;
}

.content-body ul ul,
.content-body ul ol,
.content-body ol ol,
.content-body ol ul {
    margin-bottom: 0;
}

.content-body dl {
    padding: 0;
}

.content-body dl dt {
    font-size: 14px;
    font-style: italic;
    font-weight: bold;
    margin: 15px 0 5px;
    padding: 0;
}

.content-body dl dt:first-child {
    padding: 0;
}

.content-body dl dt>*:first-child {
    margin-top: 0;
}

.content-body dl dt>*:last-child {
    margin-bottom: 0;
}

.content-body dl dd {
    margin: 0 0 15px;
    padding: 0 15px;
}

.content-body dl dd>*:first-child {
    margin-top: 0;
}

.content-body dl dd>*:last-child {
    margin-bottom: 0;
}

.content-body blockquote {
    border-left: 4px solid #DDDDDD;
    color: #777777;
    padding: 10px 15px;
    word-break: break-all;
    background-color: #fafafa;
}

.content-body blockquote>*:first-child {
    margin-top: 0;
}

.content-body blockquote>*:last-child {
    margin-bottom: 0;
}

.content-body table th {
    font-weight: bold;
}

.content-body table th,
.content-body table td {
    border: 1px solid #CCCCCC;
    padding: 6px 13px;
}

.content-body table tr {
    background-color: #FFFFFF;
    border-top: 1px solid #CCCCCC;
}

.content-body table tr:nth-child(2n) {
    background-color: #F8F8F8;
}

.content-body img {
    max-width: 100%;
}

.content-body span.frame {
    display: block;
    overflow: hidden;
}

.content-body span.frame>span {
    border: 1px solid #DDDDDD;
    display: block;
    float: left;
    margin: 13px 0 0;
    overflow: hidden;
    padding: 7px;
    width: auto;
}

.content-body span.frame span img {
    display: block;
    float: left;
}

.content-body span.frame span span {
    clear: both;
    color: #333333;
    display: block;
    padding: 5px 0 0;
}

.content-body span.align-center {
    clear: both;
    display: block;
    overflow: hidden;
}

.content-body span.align-center>span {
    display: block;
    margin: 13px auto 0;
    overflow: hidden;
    text-align: center;
}

.content-body span.align-center span img {
    margin: 0 auto;
    text-align: center;
}

.content-body span.align-right {
    clear: both;
    display: block;
    overflow: hidden;
}

.content-body span.align-right>span {
    display: block;
    margin: 13px 0 0;
    overflow: hidden;
    text-align: right;
}

.content-body span.align-right span img {
    margin: 0;
    text-align: right;
}

.content-body span.float-left {
    display: block;
    float: left;
    margin-right: 13px;
    overflow: hidden;
}

.content-body span.float-left span {
    margin: 13px 0 0;
}

.content-body span.float-right {
    display: block;
    float: right;
    margin-left: 13px;
    overflow: hidden;
}

.content-body span.float-right>span {
    display: block;
    margin: 13px auto 0;
    overflow: hidden;
    text-align: right;
}

.content-body code,
.content-body tt {
    background-color: #F8F8F8;
    border: 1px solid #EAEAEA;
    border-radius: 3px 3px 3px 3px;
    margin: 0 2px;
    padding: 0 5px;
    white-space: nowrap;
}

.content-body pre>code {
    background: none repeat scroll 0 0 transparent;
    border: medium none;
    margin: 0;
    padding: 0;
    white-space: pre;
}

.content-body .highlight pre,
.content-body pre {
    background-color: #F8F8F8;
    border: 1px solid #CCCCCC;
    border-radius: 3px 3px 3px 3px;
    font-size: 13px;
    line-height: 19px;
    overflow: auto;
    padding: 6px 10px;
}

.content-body pre code,
.content-body pre tt {
    background-color: transparent;
    border: medium none;
}

.content-body video {
    max-width: 100%;
    display: block;
    max-height: 750px;
    margin: 0 auto;
}

.content-body iframe {
    width: 100%;
}