:root{--p:#4F46E5;--p2:#7C3AED;--dark:#1E293B;--darker:#0F172A;--muted:#64748B;--light:#F8FAFC;--border:#E2E8F0;--grad:linear-gradient(135deg,#4F46E5 0%,#7C3AED 100%);--r:16px}.art-header{background:var(--light);padding:110px 0 48px;border-bottom:1px solid var(--border)}.breadcrumb-b{font-size:.76rem;color:#94a3b8;margin-bottom:14px}.breadcrumb-b a{color:#94a3b8;text-decoration:none}.breadcrumb-b a:hover{color:var(--p)}.cat-badge{display:inline-block;background:#4f46e514;border:1px solid rgba(79,70,229,.18);color:var(--p);padding:4px 12px;border-radius:50px;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.art-title{font-size:2.5rem;font-weight:900;color:var(--dark);line-height:1.15;margin-bottom:14px}.art-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.8rem;color:var(--muted)}.art-body{font-size:.97rem;line-height:1.8;color:#334155}.art-body h2{font-size:1.5rem;font-weight:900;color:var(--dark);margin:36px 0 12px;line-height:1.25}.art-body h3{font-size:1.1rem;font-weight:800;color:var(--dark);margin:24px 0 8px}.art-body p{margin-bottom:16px}.art-body ul,.art-body ol{margin:0 0 16px 20px}.art-body li{margin-bottom:7px}.art-body strong{color:var(--dark)}.art-body a{color:var(--p);font-weight:600;text-decoration:none}.art-body a:hover{text-decoration:underline}.art-body blockquote{border-left:4px solid var(--p);background:#4f46e50d;padding:16px 20px;border-radius:0 10px 10px 0;margin:24px 0;font-style:italic;color:#475569}.info-box{background:#4f46e50d;border:1px solid rgba(79,70,229,.18);border-radius:10px;padding:16px 20px;font-size:.88rem;line-height:1.65;margin:20px 0}.warn-box{background:#f59e0b0f;border:1px solid rgba(245,158,11,.25);border-radius:10px;padding:16px 20px;font-size:.88rem;line-height:1.65;margin:20px 0}.success-box{background:#10b9810f;border:1px solid rgba(16,185,129,.25);border-radius:10px;padding:16px 20px;font-size:.88rem;line-height:1.65;margin:20px 0}.step-card{border-left:4px solid var(--p);background:var(--light);border-radius:0 12px 12px 0;padding:18px 20px;margin-bottom:14px}.step-num{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.5px;color:var(--p);margin-bottom:4px}.step-name{font-weight:900;font-size:1rem;color:var(--dark);margin-bottom:6px}.step-desc{font-size:.86rem;color:var(--muted);line-height:1.6}.step-meta{font-size:.75rem;color:#94a3b8;margin-top:8px}.toc{background:var(--light);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:20px;position:sticky;top:80px}.toc-title{font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:12px}.toc a{display:block;font-size:.83rem;color:var(--muted);text-decoration:none;padding:5px 0;border-bottom:1px solid var(--border);font-weight:500;transition:color .2s}.toc a:last-child{border-bottom:none}.toc a:hover{color:var(--p)}.cta-side{background:var(--grad);border-radius:var(--r);padding:22px;text-align:center;color:#fff;margin-top:20px}.cta-side h5{font-size:1rem;font-weight:900;margin-bottom:8px}.cta-side p{font-size:.8rem;opacity:.85;margin-bottom:14px;line-height:1.55}.cta-side a{background:#fff;color:var(--p);padding:10px 20px;border-radius:50px;font-weight:800;font-size:.84rem;text-decoration:none;display:block}.cta-block{background:var(--grad);border-radius:20px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.cta-block h4{color:#fff;font-weight:900;font-size:1.2rem;margin-bottom:5px}.cta-block p{color:#ffffffbf;font-size:.88rem;margin:0}.btn-white{background:#fff;color:var(--p);padding:12px 24px;border-radius:50px;font-weight:800;font-size:.88rem;text-decoration:none;white-space:nowrap}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}@media(max-width:576px){.related-grid{grid-template-columns:1fr}}.related-card{background:var(--light);border:1px solid var(--border);border-radius:var(--r);padding:16px;text-decoration:none;display:flex;gap:11px;align-items:flex-start;transition:all .2s}.related-card:hover{border-color:var(--p)}.related-card .rc-t{font-weight:800;font-size:.87rem;color:var(--dark)}.related-card .rc-s{font-size:.75rem;color:var(--muted);margin-top:3px}.blog-footer{background:var(--darker);color:#64748b;padding:28px 0;font-size:.8rem}.blog-footer a{color:#64748b;text-decoration:none}.blog-footer a:hover{color:#fff}@media(max-width:992px){.art-title{font-size:2rem}.toc{position:static}}@media(max-width:576px){.art-title{font-size:1.65rem}}