.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}html[data-content-lang=ja] [data-lang-scope] [data-lang]{display:none}html[data-content-lang=ja] [data-lang-scope] [data-lang=ja]{display:inline}html[data-content-lang=pt] [data-lang-scope] [data-lang]{display:none}html[data-content-lang=pt] [data-lang-scope] [data-lang=pt]{display:inline}.article-content[data-lang]{display:none}.article-content[data-lang=en]{display:block}html[data-content-lang=zh] .article-content[data-lang]{display:none}html[data-content-lang=zh] .article-content[data-lang=zh]{display:block}html[data-content-lang=en] .article-content[data-lang]{display:none}html[data-content-lang=en] .article-content[data-lang=en]{display:block}html[data-content-lang=ja] .article-content[data-lang]{display:none}html[data-content-lang=ja] .article-content[data-lang=ja]{display:block}html[data-content-lang=pt] .article-content[data-lang]{display:none}html[data-content-lang=pt] .article-content[data-lang=pt]{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;overflow-wrap:anywhere;hyphens:auto}.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-cover{max-width:920px;margin:34px auto 0;padding:0 20px}.article-cover img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--surface-3);background:#fff}.article-cover figcaption{margin-top:10px;color:var(--muted);font-size:12.5px;line-height:1.6;text-align:center}.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 :not(pre)>code{overflow-wrap:anywhere}.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-diagram{margin:30px 0;padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:0 16px 40px rgba(15,23,42,.06)}.article-diagram figcaption{margin:14px 2px 0;color:var(--muted);font-size:13px;line-height:1.55}.diagram-title{margin:0 0 14px;color:var(--text);font-size:14px;font-weight:750;letter-spacing:0}.diagram-delete,.diagram-flow,.diagram-triad{display:grid;align-items:stretch;gap:10px}.diagram-flow{grid-template-columns:repeat(6,minmax(92px,1fr))}.diagram-triad{grid-template-columns:repeat(3,minmax(0,1fr))}.diagram-delete{grid-template-columns:1.05fr 0.95fr 1fr 1fr}.diagram-node{position:relative;min-height:88px;padding:12px;border:1px solid rgba(148,163,184,.38);border-radius:8px;background:#fff;color:var(--text-2);font-size:12.5px;line-height:1.5}.diagram-node strong{display:block;margin-bottom:4px;color:var(--text);font-size:13px;line-height:1.35}.diagram-node code{font-size:.88em;word-break:break-word}.diagram-node.accent{border-color:rgba(91,87,214,.28);background:rgba(91,87,214,.07)}.diagram-node.ok{border-color:rgba(20,184,166,.32);background:rgba(20,184,166,.08)}.diagram-node.warn{border-color:rgba(217,119,6,.34);background:rgba(217,119,6,.08)}.diagram-node.danger{border-color:rgba(220,38,38,.28);background:rgba(220,38,38,.07)}.diagram-line{position:relative}.diagram-line::after{content:"->";position:absolute;top:50%;right:-12px;z-index:1;transform:translateY(-50%);color:var(--muted);font-family:var(--mono);font-size:12px;font-weight:700}.diagram-line:last-child::after,.diagram-node:last-child::after{display:none}.diagram-hub{margin-top:10px;padding:13px 14px;border:1px dashed rgba(91,87,214,.42);border-radius:8px;background:rgba(91,87,214,.05);color:var(--text-2);font-size:13px;line-height:1.55}.diagram-hub strong{display:block;margin-bottom:3px;color:var(--text)}.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}.article-diagram{margin-left:-4px;margin-right:-4px;padding:14px}.diagram-delete,.diagram-flow,.diagram-triad{grid-template-columns:1fr}.diagram-node{min-height:auto}.diagram-line::after{content:"|";top:auto;right:50%;bottom:-13px;transform:translateX(50%)}}.article-content .article-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;margin:32px 0;padding:22px 24px;border:1px solid var(--line,#e5e7eb);border-left:4px solid var(--brand,#2563eb);border-radius:10px;background:var(--surface-alt,#f8fafc)}.article-content .article-cta-text{flex:1 1 340px;min-width:0}.article-content .article-cta-dey{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#6b7280);margin-bottom:6px}.article-content .article-cta-title{display:block;font-size:19px;line-height:1.35;font-weight:650;margin-bottom:6px}.article-content .article-cta-note{display:block;font-size:14.5px;line-height:1.6;color:var(--muted,#6b7280)}.article-content .article-cta-btn{flex:0 0 auto;white-space:nowrap}.article-content .article-download{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:24px 0;padding:18px 20px;border:1px dashed var(--line,#d1d5db);border-radius:10px}.article-content .article-download-label{flex:0 0 100%;font-size:13px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--muted,#6b7280)}.article-content .article-download-btn{flex:0 0 auto}.article-content .article-download-note{flex:1 1 100%;font-size:13.5px;line-height:1.5;color:var(--muted,#6b7280)}@media (max-width:640px){.article-content .article-cta{flex-direction:column;align-items:stretch}.article-content .article-cta-btn,.article-content .article-download-btn{width:100%;text-align:center}}.pricing-calc{margin:38px 0;padding:26px 0 22px;border-top:1px solid var(--line,#e5e7eb);border-bottom:1px solid var(--line,#e5e7eb)}.pricing-calc-head{margin-bottom:20px}.pricing-calc-head h3{margin:0 0 3px;font-size:17px;line-height:1.35;font-weight:650}.pricing-calc-head p{margin:0;font-size:13.5px;color:var(--muted,#6b7280)}.pricing-calc-body{display:grid;grid-template-columns:1fr 260px;gap:0 40px;align-items:start}.pricing-calc-inputs{display:flex;flex-direction:column;gap:18px;min-width:0}.pricing-calc-group{display:flex;flex-direction:column;gap:8px}.pricing-calc-legend{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#9ca3af)}.pricing-calc-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px}.pricing-calc-row label{font-size:14px;line-height:1.45;flex:1 1 auto}.pricing-calc-row .hint{display:block;font-size:12px;color:var(--muted,#9ca3af);margin-top:1px}.pricing-calc-row input,.pricing-calc-row select{flex:0 0 auto;width:96px;padding:4px 7px;font:inherit;font-size:14px;text-align:right;color:inherit;background:0 0;border:0;border-bottom:1px solid var(--line,#d1d5db);border-radius:0}.pricing-calc-row select{text-align:left;width:104px}.pricing-calc-row input:focus,.pricing-calc-row select:focus{outline:0;border-bottom-color:#2563eb;box-shadow:0 1px 0 0 #2563eb}.pricing-calc-sep{border:0;border-top:1px solid var(--line,#f1f3f5);margin:0}.pricing-calc-out{display:flex;flex-direction:column;gap:16px;padding-left:28px;border-left:1px solid var(--line,#f1f3f5)}.pricing-calc-figure{display:flex;flex-direction:column;gap:1px}.pricing-calc-figure .k{font-size:12px;color:var(--muted,#9ca3af);line-height:1.4}.pricing-calc-figure .v{font-size:21px;font-weight:650;line-height:1.2;letter-spacing:-.01em}.pricing-calc-figure .v small{font-size:12.5px;font-weight:500;color:var(--muted,#9ca3af)}.pricing-calc-figure .n{font-size:12px;color:var(--muted,#9ca3af);line-height:1.45;margin-top:2px}.pricing-calc-figure--lead .v{color:#0f766e;font-size:25px}.pricing-calc-verdict{margin:22px 0 0;padding-top:16px;border-top:1px solid var(--line,#f1f3f5);font-size:14px;line-height:1.65;color:var(--muted,#4b5563)}.pricing-calc-verdict strong{color:inherit;font-weight:650}.pricing-calc-foot{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-top:16px}.pricing-calc-foot p{margin:0;flex:1 1 300px;font-size:13.5px;line-height:1.55;color:var(--muted,#9ca3af)}.pricing-calc-foot .btn{padding:7px 15px;font-size:14px}.pricing-calc-nojs{margin:16px 0 0;font-size:13.5px;color:var(--muted,#6b7280)}@media (max-width:720px){.pricing-calc-body{grid-template-columns:1fr;gap:24px}.pricing-calc-out{padding-left:0;border-left:0;padding-top:20px;border-top:1px solid var(--line,#f1f3f5)}.pricing-calc-row input,.pricing-calc-row select{width:88px}.pricing-calc-foot .btn{width:100%;text-align:center}}.article-content a.btn{text-decoration:none}.article-content a.btn:hover{text-decoration:none}.article-content a.btn-primary,.article-content a.btn-primary:hover{color:#fff}.article-content a.btn-ghost,.article-content a.btn-ghost:hover{color:var(--text-2)}