:root{color-scheme:light dark;--background-color:initial;--font-color:#333;--font-quote-color:#666;--border-color:rgba(0,0,0,0.1);--bg-color:#fff;--fg-color:#000}@media(prefers-color-scheme:dark){:root{--font-color:initial;--border-color:#757575;--font-quote-color:#c1c1c1;--bg-color:#000;--fg-color:#fff}a{color:#007acc}}*,:after,:before{box-sizing:border-box}html{font-size:14px;margin:0}body{font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Heiti SC","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif,miui;margin:0;padding:20px 30px 30px;font-size:1rem;font-weight:400;line-height:1.6;-webkit-overflow-scrolling:touch;background-color:var(--background-color);color:var(--font-color)}h1{font-size:1.8rem}h2{font-size:1.6rem}h3{font-size:1.4rem}h4{font-size:1.2rem}h5{font-size:1.1rem;-webkit-margin-before:1em;margin-block-start:1em;-webkit-margin-after:1em;margin-block-end:1em}h6{font-size:1rem}ol,ul{padding-left:16px}ol li>p,ul li>p{margin:0}ol li>p:only-child,ul li>p:only-child{display:inline}blockquote{color:var(--font-quote-color);margin:0;padding-left:2em;border-left:.5em solid var(--border-color)}mark{color:#f78e2e;background-color:initial}small{font-size:80%;font-weight:400}code{font-family:source-code-pro,Menlo,Monaco,Consolas,"Courier New",monospace}a{text-decoration:none;word-break:break-all}[hidden]{display:none!important}img{max-width:100%}img,video{height:auto}video{width:100%}hr{margin-top:1rem;margin-bottom:1rem;border:0;border-top:1px solid var(--border-color)}.container{width:100%;margin-right:auto;margin-left:auto}@media(min-width:576px){.container{max-width:540px}.container h1{text-align:center}.container summary h1{text-align:left}}@media(min-width:768px){.container{max-width:720px}}.am-list-item{background-color:var(--background-color)}.am-picker-popup{background-color:var(--bg-color)}.am-picker-popup .am-picker-col-mask,.am-picker-popup .am-picker-popup-header{background:none}.am-picker-popup .am-picker-col-item{color:var(--fg-color)}@media(prefers-color-scheme:dark){.am-picker-popup{background-color:#333}}body[dir=rtl] h1,body[dir=rtl] h2,body[dir=rtl] h3,body[dir=rtl] h4,body[dir=rtl] p{text-align:right}body[dir=rtl] .am-list-item .am-list-line .am-list-arrow{transform:rotate(180deg)}body[dir=rtl] .am-accordion .am-accordion-item .am-accordion-header{padding-left:30px;padding-right:15px}body[dir=rtl] .am-accordion .am-accordion-item .am-accordion-header i{right:unset;left:15px}body[dir=rtl] ol>li>a,body[dir=rtl] ul>li>a{text-align:right;padding:12px 0 12px 15px}body[dir=rtl] ol>li>a:after,body[dir=rtl] ul>li>a:after{right:auto;left:0;transform:rotate(180deg) translateY(50%)}body[dir=rtl] .am-list-item .am-list-line .am-list-extra{padding-left:8px;text-align:left}.am-picker-col-item{font-size:1.14rem;height:2.43rem;line-height:2.43rem}.am-picker-col-item-selected,.am-picker-popup-item{font-size:1.2rem}h1,h2,h3,h4{text-align:center}table{table-layout:fixed;width:100%;border-collapse:collapse}table td,table th{border:1px solid #dee2e6}table td{padding:1rem 0}table td img{width:auto;height:60px}