.article-page{background:linear-gradient(180deg,rgba(255,255,255,.68),rgba(247,249,252,0) 340px),var(--bg)}[data-lang-scope] [data-lang]{display:none}[data-lang-scope] [data-lang=en]{display:inline}html[data-content-lang=zh] [data-lang-scope] [data-lang]{display:none}html[data-content-lang=zh] [data-lang-scope] [data-lang=zh]{display:inline}html[data-content-lang=en] [data-lang-scope] [data-lang]{display:none}html[data-content-lang=en] [data-lang-scope] [data-lang=en]{display:inline}.article-content[data-article-lang]{display:none}.article-content[data-article-lang=en]{display:block}html[data-content-lang=zh] .article-content[data-article-lang]{display:none}html[data-content-lang=zh] .article-content[data-article-lang=zh]{display:block}html[data-content-lang=en] .article-content[data-article-lang]{display:none}html[data-content-lang=en] .article-content[data-article-lang=en]{display:block}.article-hero{border-bottom:1px solid var(--border);background:var(--surface)}.article-hero .wrap{max-width:920px;padding-top:48px;padding-bottom:42px}.article-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--muted);font-size:12.5px}.article-crumb a:hover{color:var(--accent-text)}.article-kicker{display:inline-flex;align-items:center;min-height:28px;margin-top:26px;padding:4px 10px;border:1px solid rgba(91,87,214,.18);border-radius:8px;background:var(--accent-soft);color:var(--accent-text);font-size:12px;font-weight:700;letter-spacing:0}.article-hero h1{max-width:820px;margin-top:16px;font-size:42px;line-height:1.1;font-weight:750;letter-spacing:0}.article-dek{max-width:760px;margin:16px 0 0;color:var(--text-2);font-size:17px;line-height:1.7}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:22px;color:var(--muted);font-size:12.5px}.article-meta .dot{width:4px;height:4px;border-radius:99px;background:var(--surface-3)}.article-shell .wrap{max-width:920px;padding-top:42px;padding-bottom:64px}.article-content{max-width:760px;margin:0 auto;color:var(--text);font-size:16px;line-height:1.78}.article-content>:first-child{margin-top:0}.article-content>:last-child{margin-bottom:0}.article-content p{margin:0 0 18px}.article-content h2{margin:40px 0 14px;font-size:25px;line-height:1.25;font-weight:750;letter-spacing:0}.article-content h3{margin:30px 0 12px;font-size:19px;line-height:1.35;font-weight:700;letter-spacing:0}.article-content strong{font-weight:750}.article-content em{color:var(--text-2)}.article-content a{color:var(--accent-text);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.article-content blockquote{margin:28px 0;padding:16px 18px;border-left:3px solid var(--accent);background:var(--surface);color:var(--text-2)}.article-content blockquote p{margin:0}.article-content ol,.article-content ul{margin:0 0 20px;padding-left:24px}.article-content li{margin:7px 0;padding-left:2px}.article-content code{border:1px solid var(--border);border-radius:5px;background:var(--surface);color:var(--text);font-family:var(--mono);font-size:.9em;padding:1px 5px}.article-content pre{overflow:auto;margin:28px 0;padding:18px;border:1px solid var(--border);border-radius:8px;background:#101828;color:#eef2ff;line-height:1.6}.article-content pre code{border:0;border-radius:0;background:0 0;color:inherit;padding:0;font-size:13px}.article-content table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:26px 0;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.article-content td,.article-content th{min-width:140px;padding:11px 13px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;font-size:14px}.article-content th{color:var(--text);font-weight:700;background:var(--surface-2)}.article-content tr:last-child td{border-bottom:0}.article-nav{border-top:1px solid var(--border);background:var(--surface)}.article-nav .wrap{max-width:920px;padding-top:28px;padding-bottom:30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}.article-nav a{display:inline-flex;align-items:center;min-height:38px;color:var(--text-2);font-size:13.5px;font-weight:650}.article-nav a:hover{color:var(--accent-text)}@media (max-width:760px){.article-hero .wrap{padding-top:34px;padding-bottom:34px}.article-hero h1{font-size:32px}.article-dek{font-size:15.5px}.article-shell .wrap{padding-top:32px;padding-bottom:48px}.article-content{font-size:15.5px;line-height:1.74}.article-content h2{font-size:22px}.article-content pre{margin-left:-4px;margin-right:-4px;padding:14px}}