.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; padding-bottom: 60px; }
    .guide-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; }
    .guide-card-header { padding: 20px 20px 0; display: flex; align-items: center; gap: 12px; }
    .guide-card-header svg { width: 28px; height: 28px; color: var(--accent); flex-shrink: 0; }
    .guide-card-header h2 { font-family: var(--font-display); font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
    .guide-card-body { padding: 16px 20px 20px; }
    .guide-card-body p { font-size: 14px; line-height: 1.7; color: var(--muted); margin-bottom: 12px; }
    .guide-card-body p:last-child { margin-bottom: 0; }
    .guide-card-body strong { color: var(--fg); }
    .guide-card-body ul { margin: 8px 0; padding-left: 20px; list-style: disc; }
    .guide-card-body ul li { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
    .tip-box { background: var(--accent-weak); border-radius: 8px; padding: 12px 16px; font-size: 13px; line-height: 1.6; color: var(--fg); margin-top: 12px; }
    .tip-box strong { color: var(--accent-strong); }
    @media (max-width: 768px) { .guide-grid { grid-template-columns: 1fr; } }