*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a56db;
  --primary-dark: #1240a8;
  --accent: #f59e0b;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg-light: #f9fafb;
  --success: #059669;
}

body { font-family: 'Georgia', serif; color: var(--text); line-height: 1.7; font-size: 17px; }

.container { max-width: 820px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { background: var(--primary); padding: 14px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { color: white; font-size: 1.3rem; font-weight: bold; text-decoration: none; font-family: sans-serif; }
nav a { color: rgba(255,255,255,0.85); text-decoration: none; margin-left: 20px; font-size: 0.9rem; font-family: sans-serif; }
nav a:hover { color: white; }

/* Breadcrumb */
.breadcrumb { padding: 12px 0; font-size: 0.85rem; color: var(--muted); font-family: sans-serif; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* Article */
article { padding: 10px 0 60px; }
h1 { font-size: 2rem; line-height: 1.3; margin-bottom: 16px; color: #111; }
h2 { font-size: 1.45rem; margin: 40px 0 14px; color: #111; border-bottom: 2px solid var(--border); padding-bottom: 8px; }
h3 { font-size: 1.2rem; margin: 28px 0 10px; color: #222; }
p { margin-bottom: 16px; }
p.lead { font-size: 1.1rem; background: #eff6ff; border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 0 8px 8px 0; margin-bottom: 28px; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 6px; }
a { color: var(--primary); }

/* Table */
.comparison-table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.95rem; font-family: sans-serif; }
.comparison-table th { background: var(--primary); color: white; padding: 12px 14px; text-align: left; }
.comparison-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); }
.comparison-table tr:nth-child(even) td { background: var(--bg-light); }
.comparison-table tr:hover td { background: #eff6ff; }

/* CTA Box */
.cta-box { background: linear-gradient(135deg, #1a56db 0%, #1240a8 100%); color: white; padding: 28px 32px; border-radius: 12px; margin: 36px 0; text-align: center; }
.cta-box h3 { color: white; margin: 0 0 10px; font-size: 1.3rem; }
.cta-box p { margin: 0 0 18px; opacity: 0.9; }
.cta-btn { display: inline-block; background: var(--accent); color: #111; font-weight: bold; padding: 14px 32px; border-radius: 8px; text-decoration: none; font-size: 1rem; font-family: sans-serif; transition: transform 0.15s; }
.cta-btn:hover { transform: translateY(-2px); color: #111; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.faq-question { background: var(--bg-light); padding: 14px 18px; font-size: 1rem; margin: 0; color: var(--text); }
.faq-answer { padding: 14px 18px; margin: 0; border-top: 1px solid var(--border); }

/* Footer */
.site-footer { background: #1f2937; color: #9ca3af; padding: 28px 0; font-size: 0.9rem; font-family: sans-serif; }
.site-footer a { color: #9ca3af; }
.site-footer p { margin-bottom: 6px; }

/* Homepage */
.hero { background: linear-gradient(135deg, #1a56db, #1240a8); color: white; padding: 60px 20px; text-align: center; margin-bottom: 48px; }
.hero h1 { color: white; font-size: 2.2rem; margin-bottom: 14px; }
.hero p { font-size: 1.1rem; opacity: 0.9; max-width: 560px; margin: 0 auto 24px; }
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-bottom: 48px; }
.article-card { border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-decoration: none; color: var(--text); transition: box-shadow 0.2s, transform 0.2s; }
.article-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.1); transform: translateY(-2px); }
.article-card .tag { font-size: 0.75rem; background: #eff6ff; color: var(--primary); padding: 3px 10px; border-radius: 20px; font-family: sans-serif; display: inline-block; margin-bottom: 10px; }
.article-card h2 { font-size: 1rem; border: none; padding: 0; margin: 0 0 8px; }
.article-card p { font-size: 0.9rem; color: var(--muted); margin: 0; }

@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  .hero h1 { font-size: 1.6rem; }
  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 8px 10px; }
}