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1.25rem;border-radius:var(--radius-md, 10px);font-weight:600;font-size:.95rem;text-decoration:none;transition:all var(--transition-fast, .15s) ease;border:1px solid transparent}.hub-btn-primary[data-astro-cid-kc4wgvh4]{background:var(--color-primary);color:#fff}.hub-btn-primary[data-astro-cid-kc4wgvh4]:hover{filter:brightness(1.08);transform:translateY(-1px)}.hub-btn-ghost[data-astro-cid-kc4wgvh4]{background:transparent;color:var(--color-text-primary);border-color:var(--color-border)}.hub-btn-ghost[data-astro-cid-kc4wgvh4]:hover{border-color:var(--color-primary);color:var(--color-primary)}.hub-section[data-astro-cid-kc4wgvh4]{border-top:1px solid var(--color-border);padding-top:3rem}.hub-h2[data-astro-cid-kc4wgvh4]{font-size:clamp(1.4rem,3vw,1.85rem);font-weight:700;margin:0 0 .5rem}.hub-h2-en[data-astro-cid-kc4wgvh4]{font-size:.95rem;font-weight:500;color:var(--color-text-tertiary);margin-left:.5rem}.hub-section-sub[data-astro-cid-kc4wgvh4]{color:var(--color-text-secondary);margin:0 0 1.75rem;font-size:1rem}.hub-en[data-astro-cid-kc4wgvh4]{background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-top:1px solid var(--color-border);border-radius:var(--radius-lg, 16px);padding:2rem 2.25rem}.hub-en-heading[data-astro-cid-kc4wgvh4]{font-family:var(--font-mono, monospace);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary);margin:0 0 1rem}.hub-en[data-astro-cid-kc4wgvh4] p[data-astro-cid-kc4wgvh4]{color:var(--color-text-secondary);line-height:1.75;margin:0 0 1rem;font-size:1rem}.hub-en[data-astro-cid-kc4wgvh4] strong[data-astro-cid-kc4wgvh4]{color:var(--color-text-primary)}.hub-en-note[data-astro-cid-kc4wgvh4]{font-size:.88rem!important;color:var(--color-text-tertiary)!important;margin-bottom:0!important}.hub-grid[data-astro-cid-kc4wgvh4]{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.hub-grid-2[data-astro-cid-kc4wgvh4]{grid-template-columns:repeat(2,1fr)}.hub-comp-card[data-astro-cid-kc4wgvh4]{display:flex;flex-direction:column;gap:.4rem;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-md, 12px);background:var(--color-bg-card);text-decoration:none;transition:all var(--transition-fast, .15s) ease}.hub-comp-card[data-astro-cid-kc4wgvh4]:hover{border-color:var(--color-primary);transform:translateY(-3px)}.hub-comp-en[data-astro-cid-kc4wgvh4]{font-family:var(--font-mono, monospace);font-size:.72rem;letter-spacing:.06em;color:var(--color-primary);text-transform:uppercase}.hub-comp-zh[data-astro-cid-kc4wgvh4]{font-size:1.08rem;font-weight:700;color:var(--color-text-primary)}.hub-comp-desc[data-astro-cid-kc4wgvh4]{font-size:.88rem;line-height:1.6;color:var(--color-text-secondary);flex:1}.hub-comp-arrow[data-astro-cid-kc4wgvh4]{font-size:.82rem;font-weight:600;color:var(--color-primary);opacity:0;transform:translate(-4px);transition:all var(--transition-fast, .15s) ease}.hub-comp-card[data-astro-cid-kc4wgvh4]:hover .hub-comp-arrow[data-astro-cid-kc4wgvh4]{opacity:1;transform:translate(0)}.hub-flagship[data-astro-cid-kc4wgvh4]{background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-lg, 16px);padding:2rem 2.25rem}.hub-flagship-kicker[data-astro-cid-kc4wgvh4]{font-weight:700;color:var(--color-text-primary);margin:0 0 .75rem;font-size:1.05rem}.hub-flagship-pitch[data-astro-cid-kc4wgvh4]{color:var(--color-text-secondary);line-height:1.7;margin:0 0 1.5rem}.hub-toc[data-astro-cid-kc4wgvh4]{list-style:none;padding:0;margin:0 0 1.5rem;display:grid;grid-template-columns:repeat(2,1fr);gap:.4rem 1.5rem}.hub-toc[data-astro-cid-kc4wgvh4] li[data-astro-cid-kc4wgvh4] a[data-astro-cid-kc4wgvh4]{display:flex;align-items:baseline;gap:.75rem;padding:.5rem .25rem;text-decoration:none;border-bottom:1px solid transparent;transition:all var(--transition-fast, .15s) ease}.hub-toc[data-astro-cid-kc4wgvh4] li[data-astro-cid-kc4wgvh4] a[data-astro-cid-kc4wgvh4]:hover{border-bottom-color:var(--color-border)}.hub-toc-num[data-astro-cid-kc4wgvh4]{font-family:var(--font-mono, monospace);font-size:.8rem;color:var(--color-primary);font-weight:700;flex-shrink:0}.hub-toc-title[data-astro-cid-kc4wgvh4]{font-size:.92rem;color:var(--color-text-secondary);line-height:1.4}.hub-toc[data-astro-cid-kc4wgvh4] li[data-astro-cid-kc4wgvh4] a[data-astro-cid-kc4wgvh4]:hover .hub-toc-title[data-astro-cid-kc4wgvh4]{color:var(--color-text-primary)}.hub-sel-card[data-astro-cid-kc4wgvh4]{display:flex;flex-direction:column;gap:.45rem;padding:1.25rem 1.4rem;border:1px solid var(--color-border);border-radius:var(--radius-md, 12px);background:var(--color-bg-card);text-decoration:none;transition:all var(--transition-fast, .15s) ease}.hub-sel-card[data-astro-cid-kc4wgvh4]:hover{border-color:var(--color-primary);transform:translateY(-3px)}.hub-sel-meta[data-astro-cid-kc4wgvh4]{font-family:var(--font-mono, monospace);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-tertiary)}.hub-sel-title[data-astro-cid-kc4wgvh4]{font-size:1.02rem;font-weight:700;color:var(--color-text-primary)}.hub-sel-desc[data-astro-cid-kc4wgvh4]{font-size:.88rem;line-height:1.6;color:var(--color-text-secondary)}.hub-contact[data-astro-cid-kc4wgvh4]{text-align:left}@media(max-width:768px){.hub-grid[data-astro-cid-kc4wgvh4],.hub-grid-2[data-astro-cid-kc4wgvh4],.hub-toc[data-astro-cid-kc4wgvh4]{grid-template-columns:1fr}.hub-en[data-astro-cid-kc4wgvh4],.hub-flagship[data-astro-cid-kc4wgvh4]{padding:1.5rem 1.25rem}}