.guide-shell { max-width: 900px; margin: 0 auto; padding: 28px 24px 56px; }
.guide-shell nav { display: flex; gap: 10px; margin-bottom: 28px; font-size: .9rem; }
.guide-shell h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.2; margin-bottom: 24px; }
.guide-shell h2 { margin: 32px 0 14px; font-size: 1.35rem; }
.guide-shell p, .guide-shell li { line-height: 1.75; }
.guide-shell p { margin: 0 0 16px; }
.guide-shell li { margin-bottom: 10px; }
.guide-shell ul, .guide-shell ol { padding-left: 24px; }
.guide-shell a { text-decoration: underline; text-underline-offset: 3px; }
.guide-shell a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.guide-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.guide-table th, .guide-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border-color, #303048); vertical-align: top; }
.guide-table th:first-child { width: 25%; }
.guide-cards { display: grid; gap: 16px; margin: 24px 0; }
.guide-cards article, .guide-related { border: 1px solid var(--border-color, #303048); border-radius: 12px; padding: 20px; }
.guide-cards h2, .guide-related h2 { margin-top: 0; }
.guide-related { margin-top: 36px; }
@media (max-width: 600px) { .guide-shell { padding: 22px 16px 40px; } .guide-table th, .guide-table td { padding: 10px 6px; } }