:root{--brand:#ff7a00;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--soft:#f8fafc;--blue:#2563eb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f7fb;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8}.site-head{background:#fff;border-bottom:1px solid var(--line)}.site-head>div{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.brand{font-weight:950;font-size:22px;color:var(--ink);text-decoration:none}.brand b{color:var(--brand)}.site-head nav{display:flex;gap:18px}.site-head nav a{color:#334155;text-decoration:none;font-weight:700}.wrap{max-width:1120px;margin:auto;padding:30px 20px 64px}.crumbs{font-size:13px;color:var(--muted);margin-bottom:20px}.crumbs a{color:var(--blue);text-decoration:none}.hero{padding:38px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,#fff,#fff7ed);box-shadow:0 18px 45px rgba(15,23,42,.07)}.eyebrow{display:inline-flex;padding:5px 10px;border-radius:999px;background:#ffedd5;color:#9a3412;font-size:12px;font-weight:900}.hero h1{max-width:840px;margin:16px 0 12px;font-size:42px;line-height:1.25;letter-spacing:-.035em}.hero p{max-width:780px;margin:0;color:#475569;font-size:18px}.meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:13px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;margin-top:24px}.article,.side-card,.index-card{background:#fff;border:1px solid var(--line);border-radius:24px}.article{padding:34px}.article h2{margin:38px 0 12px;font-size:26px;line-height:1.35}.article h2:first-child{margin-top:0}.article h3{margin:26px 0 8px;font-size:19px}.article p{margin:10px 0;color:#334155}.article ul,.article ol{padding-left:24px;color:#334155}.article li{margin:8px 0}.article a{color:var(--blue)}.callout{margin:22px 0;padding:18px 20px;border-left:4px solid var(--brand);border-radius:12px;background:#fff7ed;color:#7c2d12}.checklist{list-style:none;padding:0!important}.checklist li{position:relative;padding:13px 15px 13px 44px;border:1px solid var(--line);border-radius:13px;background:var(--soft)}.checklist li:before{content:"✓";position:absolute;left:15px;top:13px;color:#16a34a;font-weight:950}.sources{margin-top:38px;padding-top:24px;border-top:1px solid var(--line)}.sources li{word-break:break-word}.side{display:flex;flex-direction:column;gap:14px}.side-card{padding:20px;position:sticky;top:16px}.side-card h2{margin:0 0 10px;font-size:17px}.side-card a{display:block;padding:9px 0;color:#334155;text-decoration:none;border-bottom:1px solid #eef2f7}.side-card a:hover{color:var(--brand)}.side-card .tool-link{margin-top:12px;padding:10px 13px;border:0;border-radius:11px;background:#111827;color:#fff;text-align:center;font-weight:900}.index-hero{margin-bottom:24px}.index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.index-card{display:flex;flex-direction:column;padding:24px;text-decoration:none;color:var(--ink);min-height:250px;transition:.18s}.index-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(15,23,42,.09)}.index-card span{align-self:flex-start;padding:4px 9px;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:12px;font-weight:900}.index-card h2{font-size:21px;line-height:1.42;margin:16px 0 10px}.index-card p{color:var(--muted);margin:0}.index-card em{margin-top:auto;color:var(--brand);font-style:normal;font-weight:900}.site-foot{padding:30px 20px;background:#111827;color:#cbd5e1;text-align:center}.site-foot a{color:#fff}.related{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.related a{padding:14px;border:1px solid var(--line);border-radius:13px;text-decoration:none;background:var(--soft)}@media(max-width:820px){.hero{padding:25px}.hero h1{font-size:31px}.layout{grid-template-columns:1fr}.side-card{position:static}.index-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.site-head>div{align-items:flex-start}.site-head nav{gap:10px;font-size:13px}.wrap{padding:20px 12px 44px}.hero{padding:20px;border-radius:20px}.hero h1{font-size:26px}.hero p{font-size:15px}.article{padding:20px;border-radius:18px}.article h2{font-size:22px}.index-grid,.related{grid-template-columns:1fr}.index-card{min-height:220px}}

/* V83: database-backed articles created from the admin knowledge-base editor. */
.insight-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px max(20px,calc((100vw - 1040px)/2));background:#fff;border-bottom:1px solid var(--line)}.insight-nav>a{color:var(--ink);font-size:20px;font-weight:950;text-decoration:none}.insight-nav nav{display:flex;gap:16px}.insight-nav nav a{color:#475569;font-size:14px;font-weight:800;text-decoration:none}.insight-shell{max-width:920px;margin:0 auto;padding:34px 20px 70px}.insight-article{padding:42px 48px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 18px 45px rgba(15,23,42,.07)}.insight-kicker{display:inline-flex;padding:5px 10px;border-radius:999px;background:#ffedd5;color:#9a3412;font-size:12px;font-weight:900}.insight-article>h1{margin:16px 0 10px;font-size:40px;line-height:1.25;letter-spacing:-.03em}.insight-lead{margin:0;color:#475569;font-size:18px}.insight-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px;color:#64748b;font-size:13px}.insight-cover{display:block;width:100%;max-height:440px;margin:26px 0 0;border-radius:20px;object-fit:cover;background:#f1f5f9}.insight-body{margin-top:34px}.insight-body h2{margin:38px 0 12px;font-size:27px;line-height:1.35}.insight-body h3{margin:28px 0 8px;font-size:20px}.insight-body p{margin:13px 0;color:#334155}.insight-body ul{padding-left:24px;color:#334155}.insight-body li{margin:8px 0}.insight-note{margin-top:42px;padding:22px;border-left:4px solid var(--brand);border-radius:15px;background:#fff7ed}.insight-note>strong{font-size:18px}.insight-note p{margin:5px 0 12px;color:#7c2d12}.insight-actions{display:flex;gap:9px;flex-wrap:wrap}.insight-actions a{display:inline-flex;padding:9px 13px;border-radius:10px;background:#111827;color:#fff;font-size:13px;font-weight:900;text-decoration:none}.insight-actions a+ a{background:#fff;color:#9a3412;border:1px solid #fed7aa}.insight-footer{padding:28px 20px;background:#111827;color:#cbd5e1;text-align:center;font-size:13px}
@media(max-width:620px){.insight-nav{align-items:flex-start;padding:13px 14px}.insight-nav>a{font-size:16px}.insight-nav nav{gap:9px}.insight-nav nav a{font-size:12px}.insight-shell{padding:18px 12px 45px}.insight-article{padding:24px 18px;border-radius:20px}.insight-article>h1{font-size:28px}.insight-lead{font-size:15px}.insight-body h2{font-size:22px}.insight-body h3{font-size:18px}}