:root{--blue:#2563EB;--blue-hover:#1D4ED8;--blue-bg:#EFF6FF;--blue-border:#BFDBFE;--text:#111827;--muted:#4B5563;--border:#E5E7EB;--surface:#FFFFFF;--page:#F8FAFC;--warn-bg:#FEF3C7;--warn-border:#F59E0B;--warn-text:#78350F;--shadow:0 8px 24px rgba(15,23,42,.09);--radius:16px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;font-size:17px}
a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--blue-hover)}
.wrap{max-width:780px;margin:0 auto;padding:0 18px}
.site-header{background:var(--surface);border-bottom:1px solid var(--border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--blue);color:#fff;font-weight:700;font-size:.95rem}
.top-link{font-size:.9rem}
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted)}
article.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 26px;margin:14px 0 24px}
h1{font-size:2rem;line-height:1.2;margin:0 0 10px;letter-spacing:-.01em}
h2{font-size:1.4rem;line-height:1.3;margin:2rem 0 .6rem;padding-top:.2rem}
.byline{font-size:.85rem;color:var(--muted);margin:0 0 16px}
.lead{font-size:1.1rem;color:#1f2937;margin:0 0 18px}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.4rem}
li{margin-bottom:.4rem}
.alert{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);border-radius:12px;padding:14px 16px;margin:0 0 20px;font-size:.95rem;line-height:1.55}
.alert strong{display:block;margin-bottom:2px}
.cta-box{background:var(--blue-bg);border:1px solid var(--blue-border);border-radius:14px;padding:18px 20px;margin:2rem 0;text-align:center}
.cta-box p{margin:0 0 12px;color:#1e3a8a;font-size:.98rem}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:12px 24px;border-radius:12px}
.btn:hover{background:var(--blue-hover);color:#fff}
.faq details{border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:.6rem 0 0}
.more{border-top:1px solid var(--border);margin-top:2rem;padding-top:1rem}
.more h2{margin-top:0}
.more ul{list-style:none;padding:0;display:grid;gap:8px}
.more li{margin:0}
.more a{display:block;border:1px solid var(--border);border-radius:12px;padding:10px 14px;text-decoration:none;background:#fff}
.more a:hover{border-color:var(--blue);background:var(--blue-bg)}
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:24px 0 32px;font-size:.85rem;color:var(--muted)}
.site-footer p{margin:0 0 .6rem}
@media(max-width:600px){body{font-size:16px}article.card{padding:20px 16px}h1{font-size:1.6rem}h2{font-size:1.25rem}}