:root{--brand:#ff6a00;--brand-dark:#e85f00;--ink:#171717;--muted:#6b7280;--border:#e5e7eb}*{box-sizing:border-box}html,body{color:var(--ink);background:#fff;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.ext-header{border-bottom:1px solid var(--border);padding:14px 20px}.ext-header a{color:var(--ink);align-items:center;gap:8px;font-size:18px;font-weight:800;text-decoration:none;display:inline-flex}.ext-header img{width:auto;height:32px}.ext-main{max-width:820px;margin:0 auto;padding:32px 20px 60px}.ext-h1{margin:0 0 20px;font-size:clamp(1.7rem,4vw,2.4rem);font-weight:900;line-height:1.15}.ext-footer{border-top:1px solid var(--border);text-align:center;color:var(--muted);padding:20px;font-size:13px}.ext-footer a{color:var(--muted)}.article-body{color:#262626;font-size:1.05rem;line-height:1.75}.article-body p{margin:0 0 1.1rem}.article-body h2{margin:2.2rem 0 1rem;font-size:1.6rem;font-weight:800;line-height:1.25}.article-body h3{margin:1.6rem 0 .8rem;font-size:1.25rem;font-weight:700}.article-body ul,.article-body ol{margin:0 0 1.1rem;padding-left:1.4rem}.article-body li{margin-bottom:.4rem}.article-body a{color:var(--brand);text-decoration:underline}.article-body a:hover{color:var(--brand-dark)}.article-body img{border-radius:8px;max-width:100%;height:auto}.article-body table{border-collapse:collapse;width:100%;margin:1.4rem 0;font-size:.95rem}.article-body th,.article-body td{border:1px solid var(--border);vertical-align:top;text-align:left;padding:.55rem .7rem}.article-body .table-overflow{-webkit-overflow-scrolling:touch;margin:1.6rem 0;overflow-x:auto}.article-body .table-overflow table{width:100%;margin:0}.article-body .table-highlight thead th{background:var(--brand);color:#fff;border-color:var(--brand-dark);font-weight:600}.article-body .table-highlight tbody tr:nth-child(2n) td{background:#fff8f5}.ext-lang-switch{flex-wrap:wrap;gap:6px;margin:0 0 24px;display:flex}.ext-lang-switch a{border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;text-decoration:none}.ext-lang-switch a[data-active=true]{background:var(--brand);border-color:var(--brand);color:#fff}