.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}article :not(pre)>code{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff!important;padding:.125rem .375rem;border-radius:.375rem;font-size:.9rem;font-family:Fira Code,Consolas,Monaco,Andale Mono,Ubuntu Mono,monospace;font-weight:500;letter-spacing:-.025em;box-shadow:0 2px 4px #667eea1a;transition:all .2s ease;display:inline-block;position:relative}article :not(pre)>code:hover{transform:translateY(-1px);box-shadow:0 4px 8px #667eea33}.code-block-wrapper{position:relative;margin:2rem 0;border-radius:.75rem;overflow:hidden;background:linear-gradient(135deg,#1e293b,#0f172a);box-shadow:0 10px 40px #0003;transition:all .3s ease}.code-block-wrapper:hover{transform:translateY(-2px);box-shadow:0 15px 50px #0000004d}article pre{margin:0!important;padding:1.5rem!important;background:transparent!important;overflow-x:auto;font-size:.9375rem!important;line-height:1.7!important;font-family:Fira Code,Consolas,Monaco,Andale Mono,Ubuntu Mono,monospace;-moz-tab-size:2;-o-tab-size:2;tab-size:2}.language-label{position:absolute;top:0;left:1rem;padding:.25rem .75rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;border-bottom-left-radius:.375rem;border-bottom-right-radius:.375rem;box-shadow:0 2px 8px #667eea4d;z-index:10}.copy-button{position:absolute;top:1rem;right:1rem;padding:.5rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:.5rem;color:#94a3b8;cursor:pointer;transition:all .2s ease;backdrop-filter:blur(10px);z-index:10}.copy-button:hover{background:#ffffff26;color:#e2e8f0;transform:scale(1.05)}.copy-button.copied{background:#22c55e33;border-color:#22c55e4d;color:#4ade80}article pre::-webkit-scrollbar{height:8px;width:8px}article pre::-webkit-scrollbar-track{background:#ffffff0d;border-radius:4px}article pre::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px}article pre::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#764ba2,#667eea)}article pre .token.comment,article pre .token.prolog,article pre .token.doctype,article pre .token.cdata{color:#64748b}article pre .token.punctuation{color:#94a3b8}article pre .token.property,article pre .token.tag,article pre .token.constant,article pre .token.symbol,article pre .token.deleted{color:#f472b6}article pre .token.boolean,article pre .token.number{color:#c084fc}article pre .token.selector,article pre .token.attr-name,article pre .token.string,article pre .token.char,article pre .token.builtin,article pre .token.inserted{color:#86efac}article pre .token.operator,article pre .token.entity,article pre .token.url,article pre .language-css .token.string,article pre .style .token.string,article pre .token.variable{color:#fbbf24}article pre .token.atrule,article pre .token.attr-value,article pre .token.function{color:#60a5fa}article pre .token.keyword{color:#818cf8}article pre .token.regex,article pre .token.important{color:#fb923c}article pre .token.important,article pre .token.bold{font-weight:700}article pre .token.italic{font-style:italic}@media (max-width: 640px){.code-block-wrapper{border-radius:.5rem;margin:1.5rem -1rem}article pre{padding:1rem!important;font-size:.875rem!important}.copy-button{top:.5rem;right:.5rem;padding:.375rem}}@media (prefers-color-scheme: dark){article :not(pre)>code{box-shadow:0 2px 4px #667eea33}.code-block-wrapper{box-shadow:0 10px 40px #00000080}}article{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;line-height:1.8;color:#333}article p,article li{font-size:16px;line-height:1.8}article p{margin:0 0 1.2em;text-align:justify;word-break:break-all;text-indent:0}article h1{font-size:24px;font-weight:600;line-height:1.4;margin:0 0 20px;color:#000}article h2{font-size:20px;font-weight:600;line-height:1.5;margin:30px 0 15px;color:#000}article h3{font-size:18px;font-weight:600;line-height:1.5;margin:25px 0 12px;color:#000}article ul,article ol{margin:1em 0 1.5em;padding-left:1.5em}article ul li,article ol li{margin:.6em 0;line-height:1.8;padding-left:.3em}article ul{list-style-type:disc;list-style-position:outside}article ul li::marker{color:#333;font-size:.8em}article ol{list-style-type:decimal;list-style-position:outside}article ol li::marker{font-weight:600;color:#333}article li ul,article li ol{margin-top:.3em;margin-bottom:.3em;padding-left:1.2em}article li strong,article li b,article li>strong,article li>b{font-weight:700!important;color:inherit}article li em,article li i{font-style:italic}article li>*:first-child{display:inline}article blockquote{margin:1.5em 0;padding:1em 1.5em;background:#f8f9fa;border-left:4px solid #d1d5db;font-style:normal;position:relative}article blockquote p{margin-bottom:.5em}article blockquote p:last-child{margin-bottom:0}article img{max-width:100%;height:auto;margin:1.5em auto;display:block;border-radius:4px}article img+em,article figure figcaption{display:block;text-align:center;font-size:14px;color:#6b7280;margin-top:8px;margin-bottom:1.5em;font-style:normal;line-height:1.6}article a{color:#1e40af;text-decoration:none;border-bottom:1px solid transparent;transition:all .2s ease}article a:hover{color:#2563eb;border-bottom-color:#2563eb}article strong,article b{font-weight:700!important;color:inherit}article em,article i{font-style:italic}article table{font-size:14px;border-collapse:collapse;width:100%;margin:1.5em 0;overflow-x:auto;display:block}article table th,article table td{border:1px solid #e5e7eb;padding:10px 12px;text-align:left}article table th{background-color:#f9fafb;font-weight:600;white-space:nowrap}article table tr:hover{background-color:#f9fafb}article code{font-family:SF Mono,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.875em;background:#f3f4f6;padding:.125em .25em;border-radius:3px}article pre{margin:1.5em 0;padding:1em;background:#f8f9fa;border-radius:4px;overflow-x:auto}article pre code{background:transparent;padding:0}article hr{border:none;height:1px;background:linear-gradient(to right,transparent,#d1d5db,transparent);margin:2em 0}article .note,article .warning,article .tip{margin:1.5em 0;padding:1em 1.2em;border-radius:4px;position:relative}article .note{background:#eff6ff;border-left:4px solid #3b82f6}article .warning{background:#fef3c7;border-left:4px solid #f59e0b}article .tip{background:#f0fdf4;border-left:4px solid #10b981}@media (max-width: 768px){article p,article li{font-size:15px;line-height:1.75}article h1{font-size:22px}article h2{font-size:18px}article h3{font-size:16px}article ul,article ol{padding-left:1.2em}article table{font-size:13px}}@media print{article{font-size:12pt;line-height:1.6}article a{color:#000;text-decoration:underline}article img{max-width:100%;page-break-inside:avoid}article strong,article b{font-weight:700!important}}