#nice{--md-text:var(--foreground);--md-muted:var(--muted-foreground);--md-primary:var(--primary);--md-secondary:var(--secondary);--md-border:var(--border);--md-surface:var(--card);--md-soft:var(--muted);--md-accent:var(--accent);--md-radius:14px;color:var(--md-text);font-family:var(--font-sans),-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.78;padding:clamp(12px,2vw,22px);word-break:break-word;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-feature-settings:"kern" 1}#nice>:first-child{margin-top:0}#nice>:last-child{margin-bottom:0}#nice li,#nice p{margin:.8rem 0;color:var(--md-text)}#nice h1,#nice h2,#nice h3,#nice h4,#nice h5,#nice h6{color:var(--md-text);font-weight:700;line-height:1.34;letter-spacing:-.01em}#nice h1{margin:2.5rem 0 1.5rem;padding-bottom:.5rem;border-bottom:1px solid color-mix(in oklab,var(--md-border) 80%,transparent);font-size:clamp(1.4rem,2vw,1.8rem);line-height:1.4;letter-spacing:-.02em}#nice h1,#nice h2{color:var(--md-text)}#nice h2{margin:2.2rem 0 1.2rem;padding-bottom:.4rem;border:none;font-size:clamp(1.2rem,1.8vw,1.45rem);letter-spacing:-.015em}#nice h3{margin:1.8rem 0 1rem;font-size:clamp(1.1rem,1.5vw,1.25rem);color:color-mix(in oklab,var(--md-text) 90%,transparent)}#nice h4{margin:1.5rem 0 .8rem;font-size:1.05rem}#nice h4,#nice h5{color:var(--md-text)}#nice h5{margin:1.2rem 0 .6rem;font-size:1rem}#nice h6{margin:1rem 0 .45rem;color:var(--md-muted);font-size:.92rem}#nice ol,#nice ul{margin:1rem 0;padding-left:1.5rem}#nice ul{list-style:none;padding-left:1.55rem}#nice ul li{position:relative;padding-left:.5rem}#nice ul li:before{content:"";position:absolute;left:-1rem;top:.72rem;width:.35rem;height:.35rem;border-radius:50%;background-color:var(--md-primary);opacity:.8}#nice ol{counter-reset:mdnice-ol;list-style:none}#nice ol>li{counter-increment:mdnice-ol;position:relative;padding-left:.4rem}#nice ol>li:before{content:counter(mdnice-ol) ".";position:absolute;left:-1.45rem;color:var(--md-primary);font-weight:700}#nice ol ul{list-style:none;counter-reset:none}#nice ol ul li{counter-increment:none;list-style-type:none}#nice ol ul li::marker{content:""}.prose ol>li>ul>li::marker{content:""!important}.prose ol>li>ul>li{list-style-type:none!important}#nice blockquote{margin:1.5rem 0;padding:1rem 1.25rem;border-left:3px solid color-mix(in oklab,var(--md-primary) 40%,var(--md-border));background-color:var(--md-soft);border-radius:4px;position:relative}#nice blockquote p{margin:.5rem 0;color:var(--md-muted);font-size:.95rem;line-height:1.6}#nice a{color:var(--md-primary);text-decoration:none;border-bottom:1px solid color-mix(in oklab,var(--md-primary) 35%,transparent);background-image:linear-gradient(120deg,color-mix(in oklab,var(--md-primary) 10%,transparent) 0,color-mix(in oklab,var(--md-secondary) 14%,transparent) 100%);transition:all .18s ease}#nice a:hover{color:color-mix(in oklab,var(--md-primary) 80%,var(--md-secondary) 20%);border-bottom-color:var(--md-primary);background-image:linear-gradient(120deg,color-mix(in oklab,var(--md-primary) 18%,transparent) 0,color-mix(in oklab,var(--md-secondary) 22%,transparent) 100%)}#nice strong{font-weight:700;color:var(--md-primary)}#nice em{color:var(--md-muted)}#nice hr{height:1px;border:0;margin:1.8rem 0;background:linear-gradient(90deg,transparent 0,color-mix(in oklab,var(--md-primary) 38%,var(--md-border)) 50%,transparent 100%)}#nice img{display:block;max-width:100%;height:auto;margin:1rem auto;border:1px solid var(--md-border);border-radius:var(--md-radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}#nice img:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}#nice figcaption{margin-top:.45rem;text-align:center;font-size:.82rem;color:var(--md-muted);font-style:italic}#nice code{margin:0 .16rem;padding:.14rem .42rem;border-radius:8px;border:1px solid color-mix(in oklab,var(--md-primary) 20%,var(--md-border));font-family:var(--font-mono),"Consolas","Monaco",monospace;font-size:.86em;color:var(--md-primary);background:linear-gradient(120deg,color-mix(in oklab,var(--md-accent) 85%,white 15%) 0,color-mix(in oklab,var(--md-accent) 70%,var(--md-soft) 30%) 100%)}#nice pre{margin:1.15rem 0;border:1px solid color-mix(in oklab,var(--md-primary) 18%,var(--md-border));border-radius:var(--md-radius);background:linear-gradient(180deg,color-mix(in oklab,var(--md-soft) 88%,var(--md-accent) 12%) 0,color-mix(in oklab,var(--md-soft) 100%,transparent) 100%);overflow-x:auto;box-shadow:var(--shadow-sm)}#nice pre code{display:block;margin:0;padding:.95rem 1rem;border-radius:0;color:var(--md-text);font-size:.84rem;line-height:1.6;white-space:pre;word-break:normal}#nice pre code,#nice pre code.hljs{background:transparent}#nice pre code::-webkit-scrollbar{height:8px}#nice pre code::-webkit-scrollbar-thumb{border-radius:999px;background:color-mix(in oklab,var(--md-primary) 30%,var(--md-border))}#nice table{width:100%;margin:1.5rem 0;border-collapse:collapse;border:1px solid color-mix(in oklab,var(--md-primary) 12%,var(--md-border));border-radius:var(--md-radius);overflow:hidden;box-shadow:0 4px 12px -8px color-mix(in oklab,var(--md-primary) 20%,transparent)}#nice table thead{background:color-mix(in oklab,var(--md-primary) 6%,white)}#nice table thead th,#nice table thead tr,#nice table>thead>tr>th{background:color-mix(in oklab,var(--md-primary) 6%,white)!important}#nice table td,#nice table th{padding:1rem 1.25rem;border-bottom:1px solid color-mix(in oklab,var(--md-primary) 8%,var(--md-border));text-align:left}#nice table th{color:color-mix(in oklab,var(--md-primary) 60%,var(--md-text));font-size:.95rem;font-weight:700;letter-spacing:.02em}#nice table thead th,#nice table>thead>tr>th{color:color-mix(in oklab,var(--md-primary) 60%,var(--md-text))!important}#nice table td{color:var(--md-text);font-size:.92rem;line-height:1.5}#nice table tbody tr{background:var(--md-surface);transition:background-color .15s ease}#nice table tbody tr:nth-child(2n){background-color:color-mix(in oklab,var(--md-primary) 2.5%,white)}#nice table tbody tr:hover{background-color:color-mix(in oklab,var(--md-primary) 6%,white)}#nice del{color:var(--md-muted)}#nice input[type=checkbox]{margin-right:.5rem;accent-color:var(--md-primary)}#nice .footnote-ref{color:var(--md-primary);font-size:.75rem}#nice .footnotes{margin-top:1.9rem;padding-top:1rem;border-top:1px solid var(--md-border);color:var(--md-muted)}#nice .katex-display{margin:1rem 0;overflow-x:auto;overflow-y:hidden}.dark #nice table thead,.dark #nice table thead th,.dark #nice table thead tr,.dark #nice table>thead>tr>th{background:color-mix(in oklab,var(--md-primary) 10%,var(--md-surface))!important}.dark #nice table thead th,.dark #nice table>thead>tr>th{color:color-mix(in oklab,var(--md-primary) 25%,var(--md-text))!important}.dark #nice table tbody tr{background:color-mix(in oklab,var(--md-surface) 88%,black 12%)}.code-copy-button{position:absolute;top:8px;right:8px;z-index:10;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid color-mix(in oklab,var(--md-primary) 16%,var(--md-border));border-radius:8px;background:color-mix(in oklab,var(--md-surface) 92%,var(--md-accent) 8%);color:var(--md-muted);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-xs)}.code-copy-button:hover{color:var(--md-primary);border-color:var(--md-primary);background:var(--md-surface);transform:translateY(-1px)}.code-copy-button svg{width:16px;height:16px}@media (max-width:768px){#nice{font-size:15px;line-height:1.72;padding:12px}#nice h1{margin-top:1.7rem;margin-bottom:1rem}#nice h2{margin-top:1.55rem;padding:.56rem .78rem}#nice pre code{font-size:.8rem;padding:.85rem .9rem}#nice table td,#nice table th{padding:.6rem .65rem}}