:root{--navy:#1e3a8a;--blue:#2563eb;--border:#e5e7eb;--card:#fff;--text:#1f2937;--muted:#6b7280}
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:#f9fafb;line-height:1.7}
    a{color:var(--blue);text-decoration:none}
    a:hover{text-decoration:underline}
    img{max-width:100%;height:auto}

    /* ── ds-nav ── */

    /* ── Hero ── */
    .article-hero{background:linear-gradient(135deg,#1a1a2e 0%,#1e3a8a 55%,#1d4ed8 100%);padding:60px 40px 56px;position:relative;overflow:hidden}
    .article-hero::before{content:'';position:absolute;top:-80px;right:-80px;width:400px;height:400px;background:radial-gradient(circle,rgba(96,165,250,.18) 0%,transparent 70%);pointer-events:none}
    .hero-inner{max-width:800px;margin:0 auto;position:relative}
    .article-eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
    .article-cluster{background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);padding:5px 14px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(8px)}
    .article-stamp{background:rgba(37,99,235,.3);color:#93c5fd;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;border:1px solid rgba(59,130,246,.3)}
    .hero-icon{font-size:48px;margin-bottom:20px;display:block;filter:drop-shadow(0 4px 12px rgba(0,0,0,.3))}
    .hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
    .hero-tag{background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);padding:4px 10px;border-radius:6px;font-size:12px;border:1px solid rgba(255,255,255,.1)}
    .article-hero h1{font-size:clamp(22px,4vw,38px);font-weight:800;color:#fff;line-height:1.25;letter-spacing:-.02em;margin-bottom:16px}
    .article-lede{font-size:17px;color:rgba(255,255,255,.75);line-height:1.6;max-width:680px}

    /* ── Byline ── */
    .article-byline{max-width:1200px;margin:0 auto;padding:24px 40px 0;display:flex;align-items:center;gap:14px}
    .byline-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#2563eb,#7c3aed);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
    .byline-info{flex:1}
    .byline-name{font-weight:600;font-size:14px;color:#111827}
    .byline-role{font-size:12px;color:#6b7280}
    .byline-meta{display:flex;gap:16px;font-size:13px;color:#6b7280;flex-shrink:0}

    /* ── Layout ── */
    .blog-layout{max-width:1200px;margin:32px auto 80px;padding:0 40px;display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:48px;align-items:start}
    .article-body{background:#fff;border-radius:16px;padding:40px;border:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.06)}
    .article-body h2{font-size:22px;font-weight:800;color:var(--navy);margin:36px 0 14px;padding-top:8px}
    .article-body h3{font-size:18px;font-weight:700;color:#374151;margin:24px 0 10px}
    .article-body p{margin-bottom:16px;font-size:16px;line-height:1.75;color:#374151}
    .article-body ul,.article-body ol{margin:12px 0 20px 20px;font-size:16px;color:#374151}
    .article-body li{margin-bottom:8px;line-height:1.65}
    .article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
    .article-body th{background:#f8fafc;padding:10px 12px;border:1px solid var(--border);text-align:left;font-weight:600;color:#374151}
    .article-body td{padding:10px 12px;border:1px solid var(--border);color:#374151}
    .article-body tr:nth-child(even) td{background:#fafafa}
    .article-body strong{color:#111827;font-weight:600}

    /* ── CTA inline ── */
    .cta-inline{background:linear-gradient(135deg,#eff6ff,#dbeafe);border:1px solid #bfdbfe;border-radius:14px;padding:24px 28px;margin:28px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
    .cta-inline p{font-size:15px;color:#1e3a8a;font-weight:500;margin:0}
    .cta-inline a{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;padding:11px 22px;border-radius:10px;font-weight:600;font-size:14px;white-space:nowrap;text-decoration:none;transition:.2s}
    .cta-inline a:hover{transform:translateY(-1px);text-decoration:none;color:#fff}

    /* ── Services grid ── */
    .services-grid{background:#f8fafc;border-radius:14px;padding:24px;margin:32px 0;border:1px solid var(--border)}
    .services-grid-label{font-size:12px;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
    .services-grid-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
    .services-grid-item{display:block;padding:12px 14px;background:#fff;border:1px solid var(--border);border-radius:10px;font-size:13px;font-weight:500;color:#374151;text-decoration:none;transition:.2s}
    .services-grid-item:hover{border-color:#93c5fd;color:var(--blue);background:#eff6ff;text-decoration:none}

    /* ── FAQ ── */
    .faq-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--border)}
    .faq-section h2{font-size:22px;font-weight:800;color:var(--navy);margin-bottom:16px}
    .faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:10px;overflow:hidden}
    .faq-q{width:100%;text-align:left;padding:16px 20px;background:#fff;border:none;cursor:pointer;font-size:15px;font-weight:600;color:#111827;display:flex;justify-content:space-between;align-items:center;gap:12px}
    .faq-q:hover{background:#f8fafc}
    .faq-arrow{transition:.3s;flex-shrink:0;color:var(--blue)}
    .faq-q.open .faq-arrow{transform:rotate(180deg)}
    .faq-a{padding:0 20px 18px;font-size:15px;color:#374151;line-height:1.7}
    .faq-a p{margin-bottom:8px}

    /* ── Share & Related (handled by blog-article.css) ── */

    /* ── Sidebar ── */
    .blog-sidebar{display:flex;flex-direction:column;gap:20px}
    .bsb-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
    .bsb-toc{position:sticky;top:84px}
    .bsb-toc h3{font-size:13px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
    .bsb-toc-list{list-style:none;counter-reset:toc-item}
    .bsb-toc-list li{counter-increment:toc-item;margin-bottom:4px}
    .bsb-toc-list a{display:block;padding:6px 10px;font-size:13px;color:#4b5563;border-radius:8px;text-decoration:none;transition:.15s}
    .bsb-toc-list a:hover,.bsb-toc-list a.active{color:var(--blue);background:#eff6ff;text-decoration:none}
    .bsb-cta{background:linear-gradient(160deg,#1e3a8a,#1d4ed8);color:#fff}
    .bsb-cta-icon{font-size:32px;margin-bottom:12px}
    .bsb-cta h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px}
    .bsb-cta p{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:16px;line-height:1.6}
    .bsb-cta-price{font-size:22px;font-weight:800;color:#fff;margin-bottom:4px}
    .bsb-cta-time{font-size:12px;color:rgba(255,255,255,.6);margin-bottom:16px}
    .bsb-cta-btn{display:block;background:#fff;color:#1e3a8a;padding:12px;border-radius:10px;font-weight:700;font-size:14px;text-align:center;text-decoration:none;transition:.2s}
    .bsb-cta-btn:hover{background:#eff6ff;text-decoration:none;color:#1e3a8a}
    .bsb-cluster-links h3{font-size:13px;font-weight:700;color:#374151;text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
    .bsb-cluster-link{display:block;font-size:13px;color:#4b5563;padding:6px 0;border-bottom:1px solid #f3f4f6;text-decoration:none}
    .bsb-cluster-link:hover{color:var(--blue);text-decoration:none}
    .bsb-tip{background:linear-gradient(135deg,#f0fdf4,#dcfce7);border:1px solid #86efac}
    .bsb-tip h3{font-size:13px;font-weight:700;color:#166534;text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
    .bsb-tip p{font-size:13px;color:#15803d;line-height:1.6;margin:0}

    /* ── Footer ── */
    .ds-footer{background:#111827;color:rgba(255,255,255,.55);padding:56px 0 32px;margin-top:80px}
    .ds-fc{max-width:1400px;margin:0 auto;padding:0 40px}
    .ds-fg{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
    .ds-fb-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;text-decoration:none}
    .ds-fb-logo img{height:34px;filter:brightness(0) invert(1);opacity:.85}
    .ds-fdesc{font-size:13px;line-height:1.7;max-width:240px;color:rgba(255,255,255,.42)}
    .ds-ftg{display:inline-flex;align-items:center;gap:6px;margin-top:16px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.7);padding:8px 14px;border-radius:8px;font-size:13px;text-decoration:none;border:1px solid rgba(255,255,255,.08)}
    .ds-ftg:hover{color:#fff;text-decoration:none}
    .ds-fcol-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.35);margin-bottom:14px}
    .ds-flink{display:block;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:8px;text-decoration:none;transition:.15s}
    .ds-flink:hover{color:#fff;text-decoration:none}
    .ds-fbot{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.06);font-size:12px;flex-wrap:wrap;gap:12px}
    .ds-fleg{display:flex;gap:16px;flex-wrap:wrap}
    .ds-fleg a{color:rgba(255,255,255,.35);text-decoration:none;font-size:12px}
    .ds-fleg a:hover{color:rgba(255,255,255,.7)}
    .ds-fdiscl{font-size:11px;color:rgba(255,255,255,.25);text-align:center;margin-top:20px;line-height:1.6;max-width:900px;margin-left:auto;margin-right:auto}

    @media(max-width:1024px){.blog-layout{grid-template-columns:1fr;padding:0 20px}.blog-sidebar{display:none}}
    @media(max-width:640px){.article-hero{padding:40px 20px}.article-byline{padding:16px 20px 0}.ds-fg{grid-template-columns:1fr 1fr}.ds-fc{padding:0 20px}}