:root{--blue-50:#EFF6FF;--blue-100:#DBEAFE;--blue-200:#BFDBFE;--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;--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);--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,.info-box ul{font-size:14px;color:var(--text-mid);margin-bottom:0;line-height:1.7}.info-box li{font-size:14px;margin-bottom:5px}.stat-highlight{background:linear-gradient(135deg,var(--blue-600),var(--blue-800));border-radius:var(--radius);padding:24px 28px;margin:32px 0;display:flex;align-items:center;gap:20px}.sh-num{font-size:46px;font-weight:900;color:#fff;line-height:1;flex-shrink:0}.sh-text{font-size:15px;color:var(--blue-200);line-height:1.6}.sla-step{border:1px solid var(--blue-100);border-radius:var(--radius-lg);padding:26px;margin-bottom:18px;position:relative}.ss-header{display:flex;align-items:center;gap:14px;margin-bottom:14px}.ss-num{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--blue-600),var(--sky-500));color:#fff;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0}.ss-title{font-size:18px;font-weight:800;color:var(--text-dark)}.ss-desc{font-size:15px;color:var(--text-mid);line-height:1.8;margin-bottom:14px}.ss-example{background:var(--sky-50);border-radius:var(--radius);padding:14px 16px;font-size:13px;color:var(--text-mid)}.ss-example strong{color:var(--text-dark)}.sla-setup-table{width:100%;border-collapse:collapse;margin:20px 0;box-shadow:var(--shadow-md);border-radius:var(--radius);overflow:hidden}.sla-setup-table th{background:var(--blue-700);color:#fff;font-size:13px;font-weight:700;padding:13px 14px;text-align:right}.sla-setup-table td{font-size:13px;padding:12px 14px;border-bottom:1px solid var(--blue-50)}.sla-setup-table tr:last-child td{border-bottom:none}.sla-setup-table tr:hover td{background:var(--sky-50)}.sla-setup-table td:first-child{font-weight:700;color:var(--text-dark)}.lv-cr{background:#FEE2E2;color:#DC2626;padding:3px 8px;border-radius:50px;font-size:11px;font-weight:700}.lv-hi{background:#FEF3C7;color:#92400E;padding:3px 8px;border-radius:50px;font-size:11px;font-weight:700}.lv-md{background:#DBEAFE;color:var(--blue-700);padding:3px 8px;border-radius:50px;font-size:11px;font-weight:700}.lv-lo{background:#F3F4F6;color:#6B7280;padding:3px 8px;border-radius:50px;font-size:11px;font-weight:700}.esc-flow{display:flex;flex-direction:column;gap:0;margin:20px 0}.ef-item{display:grid;grid-template-columns:100px 1fr;border-radius:var(--radius);overflow:hidden;margin-bottom:8px;box-shadow:var(--shadow-sm)}.ef-time{display:flex;align-items:center;justify-content:center;padding:14px;text-align:center;font-size:12px;font-weight:900}.ef-content{background:#fff;border:1px solid var(--blue-50);border-right:none;padding:13px 15px}.ef-action{font-size:13px;font-weight:700;color:var(--text-dark);margin-bottom:3px}.ef-who{font-size:11px;color:var(--text-light)}.ef0{background:#DBEAFE;color:var(--blue-700)}.ef1{background:#FEF3C7;color:#92400E}.ef2{background:#FEE2E2;color:#DC2626}.ef3{background:#EDE9FE;color:#6D28D9}.wh-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.wh-card{border-radius:var(--radius);padding:18px;border:2px solid}.wh-247{background:#F0FDF4;border-color:#BBF7D0}.wh-biz{background:var(--blue-50);border-color:var(--blue-200)}.wh-icon{font-size:24px;margin-bottom:8px}.wh-title{font-size:14px;font-weight:800;margin-bottom:6px}.wh-247 .wh-title{color:#166534}.wh-biz .wh-title{color:var(--blue-700)}.wh-when{font-size:12px;margin-bottom:6px}.wh-247 .wh-when{color:#14532D}.wh-biz .wh-when{color:var(--text-mid)}.wh-example{font-size:11px;font-style:italic}.wh-247 .wh-example{color:#166534}.wh-biz .wh-example{color:var(--text-light)}.tier-sla{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin:20px 0}.ts-card{border-radius:var(--radius-lg);padding:18px;border:2px solid;text-align:center}.ts-gold{background:#FFFBEB;border-color:#FDE68A}.ts-silver{background:#F8FAFC;border-color:#CBD5E1}.ts-bronze{background:var(--sky-50);border-color:var(--blue-200)}.ts-tier{font-size:11px;font-weight:800;margin-bottom:8px;letter-spacing:.05em}.ts-gold .ts-tier{color:#92400E}.ts-silver .ts-tier{color:#475569}.ts-bronze .ts-tier{color:var(--blue-700)}.ts-resp{font-size:20px;font-weight:900;margin-bottom:3px}.ts-gold .ts-resp{color:#92400E}.ts-silver .ts-resp{color:#475569}.ts-bronze .ts-resp{color:var(--blue-700)}.ts-label{font-size:10px;color:var(--text-light);margin-bottom:8px}.ts-for{font-size:11px;font-weight:600;color:var(--text-mid)}.cta-box p{font-size:15px;color:var(--blue-200);margin-bottom:24px}.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.cb-w{background:#fff;color:var(--blue-700);padding:13px 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){.wh-grid{grid-template-columns:1fr}.tier-sla{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}.ef-item{grid-template-columns:80px 1fr}}