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:root{--kb-bg:#f5f7fa;--kb-card:#fff;--kb-text:#101828;--kb-text-soft:#344054;--kb-muted:#667085;--kb-border:#e4e7ec;--kb-border-light:#edf0f4;--kb-primary:#0a6ed1;--kb-primary-dark:#0659ab;--kb-primary-light:#eef5fd;--kb-primary-border:#c5daf5;--kb-hover:#f6f9fd;--kb-shadow-xs:0 2px 6px rgba(16,24,40,0.03);--kb-shadow:0 8px 30px rgba(16,24,40,0.045);--kb-shadow-lg:0 16px 48px rgba(16,24,40,0.07);--kb-radius-sm:8px;--kb-radius:16px;--kb-radius-lg:22px;--kb-container:1400px}.knowledge-page,
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.kb-categories a:hover::before{filter:invert(27%) sepia(94%) saturate(1934%) hue-rotate(197deg) brightness(97%) contrast(101%) !important}.kb-categories .active a{background:var(--kb-primary-light);color:var(--kb-primary);font-weight:700}
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.article-image{max-width:45%;margin:0 0 20px 0;background:#fff;border:1px solid #e2e8f0;border-radius:20px;overflow:hidden;box-shadow:0 4px 6px -1px rgba(15,23,42,0.04),0 10px 30px -5px rgba(15,23,42,0.08);transition:box-shadow 0.25s ease}.article-image.left{float:left;margin-right:24px;margin-bottom:16px}.article-image.right{float:right;margin-left:24px;margin-bottom:16px}.article-image:hover{box-shadow:0 10px 15px -3px rgba(15,23,42,0.06),0 20px 40px -8px rgba(15,23,42,0.1)}.article-image img{display:block;width:100%;height:auto}.image-caption{padding:14px 20px;background:#f8fafc;border-top:1px solid #e2e8f0;font-size:0.9rem;color:#64748b;text-align:center;line-height:1.5}.clear{clear:both}.ferro-article ul,.ferro-article ol{list-style-position:inside;padding-left:1.2rem}.ferro-process{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0.5rem 0.75rem;margin:48px 0;padding:28px 24px;background:linear-gradient(180deg,#f8fafc 0%,#f1f5f9 100%);border:1px solid #e2e8f0;border-radius:20px;box-shadow:0 4px 16px rgba(15,23,42,0.04);clear:both}.process-item{padding:11px 20px;background:#fff;border:1px solid #e2e8f0;border-radius:999px;font-size:0.95rem;font-weight:600;color:#334155;text-align:center;box-shadow:0 1px 3px rgba(15,23,42,0.04);transition:all 0.2s ease}.process-item:hover{border-color:#cbd5e1;box-shadow:0 4px 10px rgba(15,23,42,0.06);transform:translateY(-1px)}.process-arrow{font-size:1.25rem;color:#94a3b8;font-weight:300}.process-item.danger{background:#fef2f2;border-color:#fecaca;color:#b91c1c;box-shadow:0 1px 3px rgba(185,28,28,0.08)}.comparison-table{width:100%;margin:40px 0;border-collapse:separate;border-spacing:0;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px rgba(15,23,42,0.04)}.comparison-table th{padding:16px 20px;background:#1e40af;color:#fff;font-weight:600;text-align:left;font-size:0.95rem;letter-spacing:0.01em}.comparison-table td{padding:15px 20px;border-bottom:1px solid #e2e8f0;background:#fff;color:#334155;font-size:0.95rem;line-height:1.5}.comparison-table tbody tr:nth-child(even) td{background:#f8fafc}.comparison-table tbody tr:hover td{background:#eff6ff}.comparison-table tr:last-child td{border-bottom:none}.callout{margin:40px 0;padding:20px 24px;background:#fffbeb;border-left:5px solid #f59e0b;border-radius:0 14px 14px 0;color:#374151;box-shadow:0 4px 12px rgba(15,23,42,0.04);line-height:1.6;clear:both}.callout strong{color:#b45309}.notice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin:32px 0;padding:24px 28px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;clear:both}.notice-grid div{display:flex;align-items:center;gap:10px;color:#334155;font-size:0.98rem}@media (max-width:991px){.article-image{max-width:50%}.article-image.left,.article-image.right{float:none;margin:20px auto;max-width:70%}.ferro-process{margin:32px 0;padding:20px 16px;gap:0.4rem 0.5rem}.process-item{padding:9px 16px;font-size:0.9rem}.notice-grid{grid-template-columns:1fr;padding:20px}.comparison-table th,.comparison-table td{padding:12px 14px;font-size:0.9rem}}@media (max-width:576px){.ferro-process{flex-direction:column;gap:0.6rem}.process-arrow{transform:rotate(90deg)}.article-image{max-width:90%;margin:16px auto}}