.tool-page{min-height:100vh;background:#f4f7fb}
.tool-hero{padding:150px 0 60px;background:linear-gradient(135deg,#020617,#1e3a8a);color:#fff}
.tool-hero h1{font-family:Poppins,sans-serif;font-size:46px;margin:12px 0}
.tool-hero p{max-width:760px;color:#dbeafe}
.tool-wrap{max-width:900px;margin:-20px auto 80px;position:relative}
.tool-panel{background:#fff;border:1px solid var(--border);border-radius:20px;padding:35px;box-shadow:var(--shadow)}
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tool-field{display:flex;flex-direction:column;gap:8px}
.tool-field.full{grid-column:1/-1}
.tool-field label{font-weight:600}
.tool-field input,.tool-field select,.tool-field textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:10px;font:inherit}
.tool-result{margin-top:25px;padding:22px;border-radius:14px;background:#eff6ff;border:1px solid #bfdbfe}
.tool-result strong{color:#1d4ed8}
.tool-note{margin-top:15px;color:#64748b;font-size:.94rem}
.tool-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.result-table{width:100%;border-collapse:collapse;margin-top:10px}
.result-table td{padding:9px;border-bottom:1px solid #dbeafe}
@media(max-width:700px){.tool-grid{grid-template-columns:1fr}.tool-field.full{grid-column:auto}.tool-panel{padding:22px}.tool-hero h1{font-size:34px}}

.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.result-box{padding:14px;border-radius:10px;background:#fff;border:1px solid #dbeafe}.result-box small{display:block;color:#64748b;margin-bottom:5px}.result-box strong{font-size:18px;color:#0f172a}.result-warn{margin-top:14px;padding:12px 14px;border-radius:10px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}.result-ok{margin-top:14px;padding:12px 14px;border-radius:10px;background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.formula-note{margin-top:14px;padding:13px 15px;border-left:3px solid #2563eb;background:#f8fafc;color:#475569;font-size:.92rem;line-height:1.6}@media(max-width:700px){.result-grid{grid-template-columns:1fr}}

/* ===== Inner pages: breadcrumbs, clusters, CTA (added) ===== */
.breadcrumbs{max-width:1200px;margin:0 auto;padding:118px 20px 0;font-size:14px;color:#64748b}
.breadcrumbs a{color:#2563eb;text-decoration:none}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs+main.knowledge-page,.breadcrumbs+main.article-page,.breadcrumbs+.knowledge-page,.breadcrumbs+.article-page{padding-top:28px}
.breadcrumbs+.tool-page .tool-hero,.breadcrumbs+main.tool-page .tool-hero{padding-top:48px}
.knowledge-intro{max-width:900px;margin:0 auto 34px;text-align:center}
.knowledge-intro h2{font-family:Poppins,sans-serif;color:#0f172a;font-size:28px;margin-bottom:10px}
.knowledge-intro p{color:#64748b;line-height:1.8}
.knowledge-page>.container>h2{font-family:Poppins,sans-serif;color:#0f172a;font-size:30px;margin:56px 0 24px;text-align:center}
.tool-hub-card>i{font-size:26px;color:#2563eb;margin-bottom:14px;display:block}
.related-guides{max-width:900px;margin:44px auto 0}
.related-guides h2{font-size:24px}
.related-guides ul{list-style:none;padding:0;display:grid;gap:12px}
.related-guides li a{color:#2563eb;text-decoration:none;font-weight:600}
.inner-cta{max-width:900px;margin:64px auto 0;padding:38px 30px;text-align:center;border-radius:20px;background:linear-gradient(135deg,#020617,#1e3a8a);color:#fff}
.inner-cta h2{color:#fff;margin:0 0 8px;font-size:26px;font-family:Poppins,sans-serif}
.inner-cta p{color:#dbeafe;margin-bottom:20px}
.inner-cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.inner-cta .btn-outline{border:1px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.inner-cta .btn-outline:hover{background:#fff;color:#1e3a8a}
@media(max-width:768px){.breadcrumbs{padding-top:100px;font-size:13px}.knowledge-page>.container>h2{font-size:24px}.inner-cta{padding:28px 18px}}