:root{--blue-50:#EFF6FF;--blue-100:#DBEAFE;--blue-200:#BFDBFE;--blue-300:#93C5FD;--blue-400:#60A5FA;--blue-500:#3B82F6;--blue-600:#2563EB;--blue-700:#1D4ED8;--blue-800:#1E40AF;--blue-900:#1E3A8A;--sky-50:#F0F9FF;--sky-400:#38BDF8;--sky-500:#0EA5E9;--green:#10B981;--amber:#F59E0B;--red:#EF4444;--purple:#8B5CF6;--text-dark:#0F2247;--text-mid:#334E7A;--text-light:#6B84A8;--shadow-sm:0 1px 3px rgba(30,64,175,.08);--shadow-md:0 4px 16px rgba(30,64,175,.12);--shadow-lg:0 12px 40px rgba(30,64,175,.16);--radius:14px;--radius-lg:22px}.topbar-link{display:flex;align-items:center;gap:6px;color:var(--blue-200);text-decoration:none;font-weight:500;direction:ltr}.logo-sub{font-size:11px;color:var(--text-light)}.nav-links a{padding:6px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-mid);text-decoration:none;transition:background .2s,color .2s}.article-cat{display:inline-flex;align-items:center;gap:6px;background:var(--blue-100);color:var(--blue-700);padding:5px 14px;border-radius:50px;font-size:12px;font-weight:800;margin-bottom:18px}.answer-box{background:var(--blue-600);border-radius:var(--radius-lg);padding:28px 30px;margin-bottom:36px}.article-body>h2{font-size:clamp(20px,2.8vw,28px);font-weight:900;color:var(--text-dark);margin:48px 0 16px;padding-right:16px;border-right:4px solid var(--blue-600);line-height:1.3}.article-body ul,.article-body>ol{padding-right:24px;margin-bottom:18px}.article-body a{color:var(--blue-600);text-decoration:none;font-weight:600;border-bottom:1px solid var(--blue-200)}.article-body a:hover{border-color:var(--blue-600)}.info-box p{font-size:14px;color:var(--text-mid);margin-bottom:0;line-height:1.7}.stat-highlight{background:linear-gradient(135deg,var(--blue-600),var(--blue-800));border-radius:var(--radius);padding:24px 28px;margin:32px 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0;box-shadow:var(--shadow-md);border-radius:var(--radius);overflow:hidden}.vs-table th{background:var(--blue-700);color:#fff;font-size:13px;font-weight:700;padding:13px 16px;text-align:right}.vs-table td{font-size:13px;padding:12px 16px;border-bottom:1px solid var(--blue-50);color:var(--text-mid)}.vs-table tr:last-child td{border-bottom:none}.vs-table td:first-child{font-weight:700;color:var(--text-dark)}.vs-table tr:hover td{background:var(--sky-50)}.tier-visual{display:flex;flex-direction:column;gap:10px;margin:24px 0}.tier-row{border-radius:var(--radius);padding:18px 20px;display:flex;align-items:flex-start;gap:16px;border:1px solid}.tr1{background:#EFF6FF;border-color:var(--blue-200)}.tr2{background:#F5F3FF;border-color:#DDD6FE}.tr3{background:#FFF7ED;border-color:#FED7AA}.tier-badge{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.tr1 .tier-badge{background:var(--blue-100)}.tr2 .tier-badge{background:#EDE9FE}.tr3 .tier-badge{background:#FFEDD5}.tier-title{font-size:15px;font-weight:800;margin-bottom:4px}.tr1 .tier-title{color:var(--blue-700)}.tr2 .tier-title{color:#6D28D9}.tr3 .tier-title{color:#C2410C}.tier-desc{font-size:13px;color:var(--text-mid);line-height:1.6}.tier-examples{font-size:12px;color:var(--text-light);margin-top:4px}.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.kpi-card{background:var(--sky-50);border:1px solid var(--blue-100);border-radius:var(--radius);padding:18px;text-align:center}.kpi-icon{font-size:24px;margin-bottom:8px}.kpi-name{font-size:12px;font-weight:800;color:var(--text-dark);margin-bottom:4px}.kpi-desc{font-size:11px;color:var(--text-light);line-height:1.5}.kpi-benchmark{font-size:13px;font-weight:900;color:var(--blue-700);margin-top:8px}.kb-impact{background:var(--text-dark);border-radius:var(--radius-lg);padding:26px;margin:28px 0;display:grid;grid-template-columns:1fr 1fr 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28px;border-radius:10px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex;align-items:center;gap:7px;transition:all .2s}.cb-w:hover{transform:translateY(-2px)}.cb-g{background:rgb(255 255 255 / .15);border:2px solid rgb(255 255 255 / .4);color:#fff;padding:11px 24px;border-radius:10px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:7px}.tag{font-size:12px;background:var(--blue-50);color:var(--blue-700);padding:4px 12px;border-radius:50px;text-decoration:none}.toc-list li a{display:block;font-size:13px;color:var(--text-mid);text-decoration:none;padding:6px 0;border-bottom:1px solid var(--blue-50)}.toc-list li a:hover{color:var(--blue-600)}.ri-icon{width:38px;height:38px;background:var(--blue-50);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}.cta-sidebar p{font-size:12px;color:var(--blue-200);margin-bottom:14px}.cta-sidebar a{display:block;background:#fff;color:var(--blue-700);padding:11px;border-radius:9px;font-size:13px;font-weight:800;text-decoration:none}.footer-col a{display:block;font-size:13px;color:#64748B;text-decoration:none;margin-bottom:10px;transition:color .2s}@media(max-width:768px){.it-categories{grid-template-columns:1fr}.kpi-grid{grid-template-columns:1fr 1fr}.kb-impact{grid-template-columns:1fr}.nav-links{display:none}.stat-highlight{flex-direction:column;text-align:center}}@media(max-width:600px){.footer-top{grid-template-columns:1fr}.cta-btns{flex-direction:column;align-items:center}.kpi-grid{grid-template-columns:1fr 1fr}}