.page-khuyen-mai { color: #333333; background-color: #FFFFFF; }
.page-khuyen-mai__hero-section { padding-top: 10px; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__hero-image img { width: 100%; max-width: 1200px; aspect-ratio: 1200/350; object-fit: cover; display: block; border-radius: 8px; }
.page-khuyen-mai__hero-content { padding: 16px 16px 24px; text-align: center; }
.page-khuyen-mai__hero-title { color: #017439; font-weight: 700; line-height: 1.3; letter-spacing: -0.5px; max-width: 800px; margin: 0 auto 12px; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.page-khuyen-mai__hero-desc { max-width: 800px; margin: 0 auto 20px; font-size: 1rem; line-height: 1.6; }
.page-khuyen-mai__hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 100%; }
.page-khuyen-mai__btn { padding: 12px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; display: inline-block; transition: all .2s ease; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-khuyen-mai__btn--primary { background: #C30808; color: #FFFF00; }
.page-khuyen-mai__btn--primary:hover { opacity: 0.85; }
.page-khuyen-mai__btn--outline { background: transparent; border: 2px solid #017439; color: #017439; }
.page-khuyen-mai__btn--outline:hover { background: #017439; color: #fff; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 1200px; margin: 32px auto; padding: 0 16px; }
.page-khuyen-mai__promo-card { border: 1px solid #e5e7eb; border-radius: 12px; overflow: hidden; background: #fff; transition: box-shadow .2s; }
.page-khuyen-mai__promo-card:hover { box-shadow: 0 8px 24px rgba(1,116,57,.08); }
.page-khuyen-mai__promo-image img { width: 100%; aspect-ratio: 800/500; object-fit: cover; display: block; }
.page-khuyen-mai__promo-body { padding: 20px; }
.page-khuyen-mai__promo-tag { display: inline-block; background: #017439; color: #fff; font-size: .8em; padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.page-khuyen-mai__promo-title { color: #017439; margin: 0 0 8px; font-size: 1.3rem; }
.page-khuyen-mai__promo-desc { font-size: .95rem; line-height: 1.6; margin: 0 0 16px; }
.page-khuyen-mai__promo-body .page-khuyen-mai__btn { display: block; text-align: center; }
.page-khuyen-mai__guide-section { background: #F8FAF9; padding: 48px 16px; }
.page-khuyen-mai__guide-title { text-align: center; color: #017439; font-size: clamp(1.4rem, 3vw, 2rem); margin: 0 0 8px; }
.page-khuyen-mai__guide-intro { text-align: center; max-width: 700px; margin: 0 auto 32px; }
.page-khuyen-mai__guide-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto; }
.page-khuyen-mai__guide-step { background: #fff; padding: 24px; border-radius: 12px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,.03); }
.page-khuyen-mai__guide-number { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: #017439; color: #fff; font-weight: 700; margin-bottom: 12px; }
.page-khuyen-mai__guide-subtitle { color: #017439; font-size: 1.1rem; margin: 0 0 8px; }
.page-khuyen-mai__guide-text { font-size: .9rem; line-height: 1.6; margin-bottom: 16px; min-height: 72px; }
.page-khuyen-mai__guide-step .page-khuyen-mai__btn { display: block; text-align: center; }
.page-khuyen-mai__faq-section { max-width: 900px; margin: 48px auto; padding: 0 16px; }
.page-khuyen-mai__faq-title { color: #017439; text-align: center; margin-bottom: 24px; }
.page-khuyen-mai__faq-item { border-bottom: 1px solid #eee; padding: 12px 0; }
.page-khuyen-mai__faq-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; color: #111; }
.page-khuyen-mai__faq-toggle { font-size: 1.2rem; color: #017439; flex-shrink: 0; }
.page-khuyen-mai__faq-answer { color: #333; line-height: 1.6; margin: 8px 0 0; }
.page-khuyen-mai__cta-banner { text-align: center; padding: 48px 16px; }
.page-khuyen-mai__cta-image { width: 100%; max-width: 800px; aspect-ratio: 800/400; object-fit: cover; border-radius: 8px; }
.page-khuyen-mai__cta-title { color: #017439; font-size: clamp(1.4rem, 3vw, 2rem); margin: 24px 0 8px; }
.page-khuyen-mai__cta-text { max-width: 600px; margin: 0 auto 20px; }
@media (max-width: 1024px) {
  .page-khuyen-mai__guide-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .page-khuyen-mai__hero-image img { aspect-ratio: 2/1; }
  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; }
  .page-khuyen-mai__guide-steps { grid-template-columns: 1fr; }
  .page-khuyen-mai__guide-text { min-height: 0; }
  .page-khuyen-mai img { max-width: 100%; height: auto; }
  .page-khuyen-mai__btn { max-width: 100%; }
}