body, form, ul, ol, dl, dd, p{margin:0}
a, a:hover{text-decoration:none}
html{overflow:auto}
body {
    background-color:#fff;
}
@font-face {
    font-family: Emoji;
    src: local("Apple Color Emoji"), local("Segoe UI Emoji"), local("Segoe UI Symbol"), local("Noto Color Emoji");
    unicode-range: U+1F000-1F644, U+203C-3299;
}
body {
    font-family: system-ui, —apple-system, Segoe UI, Roboto, Emoji, Helvetica, Arial, sans-serif;
}
fieldset{border: 1px solid #d0d0d5;}
legend {font-weight: bold;}
.header {
    position: relative;
    height: 80px;
    box-shadow: 0 2px 8px #f0f1f2, inset 0 -1px #f0f1f2;
    z-index: 3;
}
.logo-a {
    display: inline-block;
    vertical-align: top;
}
.logo-a::before {
    content: attr(data-theme);
    position: absolute;
    margin: 10px 0 0 110px;
    padding: 1px 4px;
    border-radius: 2px;
    text-transform: uppercase;
    background-color: #2a80eb;
    color: #fff;
    font-size: 12px;
}
.logo {
    width: 84px;
    height: 34px;
    line-height: 34px;
    margin: 0;
    border: solid transparent;
    border-width: 26px 16px 20px 16px ;
    background:url(https://blog.dafengge.net/common/assets/logo.svg) no-repeat center;background-size:100%;text-indent:-99em;overflow:hidden
}
.github-a {
    display: inline-flex;
    color: var(--ui-dark, #4c5161);
}
.github-a svg {
    fill: currentColor;
}
.header-right {
    position: absolute;
    top: 0;
    right: 24px;
    padding: 22px 0 0;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.fork-me {
    margin: 0 0 0 10px;
    vertical-align: middle;
}
.main {
    display: flex;
    flex-direction: row-reverse;
    font-size: 14px;
    margin-right: 200px;
}
.aside {
    position: sticky;
    flex: 0 0 199px;
    left: 0;
    top: 0;
    border-right:1px solid #E3E8F1;
    background-color:#fff;
    overflow: auto;
    /* overscroll-behavior: contain; */
    max-height: 100vh;
}
.aside,
.logo,
img{
    user-select:none
}
.aside_main{
    display:inline-block;
    width:100%;
    background-color:#fff;
    position:relative;
    white-space:nowrap
}
.aside_dl{
    margin:10px 0
}
.aside_dt{height:30px;line-height:30px;padding-left:16px;color:#9facba}
.aside_nav{display:block;height:21px;padding:8px 16px;color:#4c5161;transition:background-color .25s, color .5s;cursor:pointer;position:relative}
.aside_nav:hover{color:#4c5161;background-color:#eceef3}
.aside_nav > .icon{display:inline-block;width:20px;height:20px;margin-right:5px;margin-left:-2px; vertical-align:-5px;text-align:center;line-height:20px;color:#2a80eb;}
.aside_dl .active{background-color:#2a80eb;color:#fff}
.aside_dl .active .icon{color:#fff;}
.aside_divide{margin:10px;border-top:1px solid #e9ebf2}
body, .dark{color:#4c5161}a, .blue, a.dark[href]:hover{color:#2a80eb;color:var(--ui-blue, #2a80eb)}a:hover{color:#0057c3}.gray{color:#a2a9b6}.white{color:#fff}.green{color:#1cad70}.orange{color:#f59b00}.red{color:#eb4646}.light{color:#f7f9fa}
.icon > svg{display:block;width:16px;height:16px;margin:2px;fill:currentColor;}
.scrollbar {
    scrollbar-width: thin;
}
.scrollbar::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.scrollbar::-webkit-scrollbar-thumb {
  background-color: #bbb;
  border-radius: 8px;
}
.scrollbar::-webkit-scrollbar-thumb:hover {
  background-color: #aaa;
}
.scrollbar::-webkit-scrollbar-track-piece {
  background-color: #ddd;
}

.section_main{display:block;min-height:calc(100vh - 62px);font-size:medium;line-height:1.75;max-width: 1520px; margin-left: auto; margin-right: auto; padding-left: 20px;min-width: 0;}
.section_title{margin: 1.25em 0 .75em;font-size:32px}
article h3 { margin: 2em 0 .5em; font-size: 28px; font-family: x-locale-heading-primary,zillaslab,Palatino,"Palatino Linotype",x-locale-heading-secondary,'Source Han Serif SC',STZhongsong,simsun,serif;
    border-bottom: 3px solid #f0f3f9;
}
article h3:nth-of-type(1) {
    margin-top: .5em;
}
article h4 {
    font-size: 125%;
    margin: 1.25em 0 .75em;
    font-family: 'Source Han Sans CN', 'HYQihei 60S', 'Hiragino Sans GB', STXihei,  simhei;
}
article h5, article h6 { font-size: 100%; margin: 1.5em 0 1em; }
.section_main code { border: 1px solid #EAEAEA; background-color: #f5f5f5; border-radius: 3px; padding: 0 4px; margin-left: 2px; margin-right: 2px; font-family: Consolas, monospace; }
.section_main pre { padding: 12px 1em; margin: 1em 0; background-color: #f5f7f9; font-family: Consolas, monospace; font-size: 100%; white-space: pre-wrap; word-break: break-word; border-radius: 4px; box-shadow: inset 1px 0 #e3e5e8, inset 0 1px #e3e5e8, 0 1px #eaf0f5, 1px 0 #eaf0f5; tab-size: 2;}
.section_main p { margin: 1em 0; color: #666; overflow-wrap: break-word; }
.section_main p:hover { color: #4c5161;  }
.section_main ol { padding-left: 22px; list-style-type: decimal; }
.section_main ul { padding-left: 22px; list-style-type: disc; }
.section_main ul li, .section_main ol li { margin: .5em 0; }
main mark{background-color: transparent; color: #eb4646;}
.section_main dl{margin: 1em 0;}
.section_main dt { font-weight: bold; margin-top: .5em; font-family: cursive;  }
.section_main dd{padding-left: 22px; margin: .25em 0;}
.section_main img{max-width: 100%;}
pre[scrollable]{max-height:200px; overflow: hidden; transition:max-height .2s; position: relative;}
pre[scrollable]:not([open])::after{content:'';position: absolute; left: 1px; right: 1px;bottom:0;height: 100px; pointer-events: none; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath fill='%232a80eb' d='M145.659 68.949a12.874 12.874 0 0 0-18.473 0L99.479 97.233 71.772 68.949a12.874 12.874 0 0 0-18.473 0c-5.099 5.208-5.099 13.648 0 18.857l46.18 47.14 46.181-47.14c5.099-5.208 5.099-13.649-.001-18.857z'/%3E%3C/svg%3E") no-repeat 50% 100% / 2rem 2rem, linear-gradient(#fff0, #fff);}
pre[open]{max-height: 3000px;}

.section_nav {
    position: fixed;
    top: 150px;
    width: 180px;
    border-left: 1px solid #d0d0d5;
    background-color: #fff;
    margin-left: 20px;
}
.section_nav a {
    display: block;
    padding: 5px 10px;
    text-align: left;
    font-size: 14px;
    color: #666;
    white-space: nowrap;
}
.section_nav a:hover {
    background-color: #f0f0f0;
}
.section_nav > .active {
    color: #2a80eb;
    border-left: 3px solid;
    margin-left: -2px;
    padding-left: 9px;
}

.contributors {
    border-top: solid #f0f3f9;
    padding-top: 1em;
    margin-top: 5em;
    font-size: 14px;
}
.contributors-h,
.contributors-p {
    display: inline;
}

.contributors > svg {
    width: 16px; height: 16px;
    fill: #a2a9b6;
    vertical-align: -3px;
}

a[href*="single"]::before {
    content: '';
    display: inline-block;
    width: 16px; height: 16px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cpath d='M301.335 505.437L182.924 623.895A153.6 153.6 0 0 0 400.15 841.123L521.914 719.36l.14.14a51.2 51.2 0 0 1 72.145 72.145l.14.093-2.979 2.98a52.224 52.224 0 0 1-.652.65l-111.57 111.57a256 256 0 1 1-362.03-362.03l115.154-115.2.14.14a51.2 51.2 0 0 1 72.098 72.145l.14.14-3.258 3.258zM758.691 627.06a51.2 51.2 0 1 1-72.146-72.145l-.093-.14 154.67-154.67a153.6 153.6 0 0 0-217.227-217.228l-154.67 154.67-.14-.139a51.2 51.2 0 1 1-72.145-72.145l-.14-.094 148.108-148.107a256 256 0 0 1 362.03 362.03L758.831 627.2l-.14-.14zm-13.033-342.155a46.545 46.545 0 0 1 0 65.815L416.582 679.843a46.545 46.545 0 0 1-65.862-65.815l329.123-329.123a46.545 46.545 0 0 1 65.815 0z' fill='%232a80eb'/%3E%3C/svg%3E") no-repeat center;
    background-size: 100% 100%;
    vertical-align: -2px;
    margin-right: 3px;
}
a[href*="single"] {
    display: none;
}
a[href*="single"]:hover::before {
    filter: brightness(0.9);
}
a[href*="pure/css"] {
    font-family: Consolas, monospace;
    margin: 0 2px;
}

hr { border: 0; border-top: 1px solid #ddd; border-bottom: 1px solid #fff; margin: 1em 0; }

.anchor {
    display: none;
    padding: 5px 5px 5px 3px;
    position: fixed; left: 0; bottom: 30px;
    font-size: 14px;
    line-height: 1.8;
    border: 1px solid #d0d0d5;
    background-color: #fff;
    letter-spacing: -1px;
}

.tips {
    font-family: 'kaiti', 'STKaiti';
    padding: 10px 1em;
    border-left: solid silver;
    background-color: #ffffe0;
}
.tips:before {
    content: 'Tips: ';
}
[class*='icon_'] {
    display: inline-block;
    width: 20px; height: 20px;
    vertical-align: -4px;
    margin-right: 5px;
}
.icon_close {
    background: url(https://qidian.gtimg.com/lulu/theme/modern/css/common/images/temp/icon_close.png) no-repeat center;
}
.icon_del {
    background: url(https://qidian.gtimg.com/lulu/theme/modern/css/common/images/temp/icon_del.png) no-repeat center;
}
td .icon_del, a.dark[href]:hover .icon_del {
    background: url(https://qidian.qpic.cn/qidian_common/349573/4ca1488fb819c679b1a8314fa532ee98/0) no-repeat center;
}
td .icon_del {
    visibility: hidden;
}
tr:hover td .icon_del {
    visibility: visible;
}

.icon_undeal,
.icon_pass,
.icon_unpass {
    background: url(https://qidian.gtimg.com/lulu/theme/modern/css/common/images/temp/icons_status.png) no-repeat;
}
.icon_pass {
    background-position: 0 -20px;
}
.icon_unpass {
    background-position: 0 -40px;
}

.scroll_test {
    width: 30%;
    height: 180px;
    overflow: hidden;
    padding: 20px;
    margin-bottom: 20px;
    border: 10px solid #fff;
    background-color: #f5f5f5;
}
.click_open {
    height: 30px;
    overflow: hidden;
}

label.left, span.left {
    width: 100px;
    float: left;
}
label.left {
    padding-top: 10px;
}
.w200 {
    width: 200px;
}
.w100 {
    width: 100px;
}
.hover-first:hover a:first-child {
    display: inline-block;
}
sup.abs { margin-top: -10px; }
.backtop { position: fixed; right: 1rem; bottom: 76px; background-color: rgba(0,0,0,.5); width: 32px; height: 32px; border-radius: 50%; text-align: center; border: 10px solid transparent; display: none; transition: background .15s; font-size: 0; background-image: url("data:image/svg+xml,%3Csvg class='icon' viewBox='0 0 1812 1024' xmlns='http://www.w3.org/2000/svg' width='353.906' height='200'%3E%3Cpath d='M889.849 273.684L194.723 968.809c-44.462 44.462-116.654 44.455-161.186-.076-44.841-44.842-44.565-116.697-.076-161.186L807.674 33.334c44.461-44.462 116.654-44.455 161.185.077a117.133 117.133 0 0 1 5.942 6.4 114.147 114.147 0 0 1 19.08 15.38l774.212 774.212c44.49 44.49 44.766 116.344-.076 161.186-44.532 44.532-116.724 44.539-161.186.077L889.849 273.684z' fill='%23fff'/%3E%3C/svg%3E");background-size: 20px 10px;background-repeat: no-repeat;background-position: center;}
@media (any-hover: hover) {
    .backtop:hover{background-color: rgba(0,0,0,.65)}
}

.clip {
    opacity: 0;
}
.aside-label,
.aside-checkbox.aside-checkbox.aside-checkbox.aside-checkbox {
    display: none;
}

/* 文档支持移动端 */
@media screen and (max-width: 640px) {
    .header {
        position: fixed;
        width: 100%;
        background: #fff;
        top: 0;
    }
    .header-right {
        right: 16px;
    }
    .logo-a {
        margin-left: 42px;
        display: none;
    }
    .main {
        margin-top: 80px;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
    }
    .aside {
        position: fixed;
        top: 80px;
        visibility: hidden;
        width: auto;
        right: 0;
    }
    .section_main {
        padding-left: 1rem; padding-right: 1rem;
    }
    .section_main article {
        padding-right: 0;
    }
    .section_nav {
        display: none;
    }
    .ui-table {
        table-layout: auto;
    }
    td .ell {
        width: 100px;
    }
    .ui-table td, .ui-table th {
        padding-right: 10px;
        width: auto;
    }
    .ui-table td:first-child, .ui-table th:first-child {
        padding-left: 10px;
    }
    .aside-label {
        display: inline;
        position: fixed;
        width: 40px; height: 40px;
        background-color: #fff;
        left: 10px;
        top: 22px;
        z-index: 10;
        color: #2a80eb;
    }
    .aside-label > svg {
        display: block;
        margin: 8px auto 0;
        fill: currentColor;
        transition: transform .2s;
    }
    :checked ~ .main .aside {
        visibility: visible;
        z-index: 2;
    }

    :checked ~ .aside-label > svg {
        -ms-transform: rotate(90deg);
        transform: rotate(90deg);
    }
    .aside_main {
        font-size: 0;
        white-space: normal;
    }
    .aside_dl {
        width: 50%;
        display: inline-block;
        vertical-align: top;
        font-size: 14px;
    }
    .backtop {
        width: 20px; height: 20px;
    }
}

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