.page-khuyen-mai { background: #F4F7FB; color: #1F2D3D; font-family: system-ui, -apple-system, sans-serif; }
.page-khuyen-mai__hero { display: flex; flex-direction: column; align-items: center; padding-top: 10px; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__hero-image { width: 100%; max-width: 1020px; margin-bottom: 20px; }
.page-khuyen-mai__hero-image img { width: 100%; height: auto; aspect-ratio: 17/5; object-fit: cover; border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.page-khuyen-mai__hero-content { text-align: center; max-width: 800px; }
.page-khuyen-mai__hero-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.3; color: #1F2D3D; margin-bottom: 12px; }
.page-khuyen-mai__hero-desc { font-size: 1.1rem; line-height: 1.6; color: #1F2D3D; margin-bottom: 24px; }
.page-khuyen-mai__hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.page-khuyen-mai__btn { display: inline-block; padding: 12px 28px; border-radius: 999px; font-weight: 700; font-size: 1rem; text-decoration: none; transition: transform 0.2s, box-shadow 0.2s; }
.page-khuyen-mai__btn--primary { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #ffffff; box-shadow: 0 4px 8px rgba(47,107,255,0.3); }
.page-khuyen-mai__btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 16px rgba(47,107,255,0.4); }
.page-khuyen-mai__btn--secondary { background: #ffffff; color: #2F6BFF; border: 2px solid #2F6BFF; }
.page-khuyen-mai__btn--secondary:hover { background: #2F6BFF; color: #ffffff; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1200px; margin: 48px auto; padding: 0 16px; }
.page-khuyen-mai__promo-card { background: #FFFFFF; border: 1px solid #D6E2FF; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 8px rgba(0,0,0,0.05); transition: box-shadow 0.2s; display: flex; flex-direction: column; }
.page-khuyen-mai__promo-card:hover { box-shadow: 0 8px 16px rgba(47,107,255,0.15); }
.page-khuyen-mai__promo-image { overflow: hidden; }
.page-khuyen-mai__promo-image img { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; transition: transform 0.3s; }
.page-khuyen-mai__promo-card:hover .page-khuyen-mai__promo-image img { transform: scale(1.03); }
.page-khuyen-mai__promo-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.page-khuyen-mai__promo-tag { display: inline-block; background: #2F6BFF; color: #ffffff; font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; align-self: flex-start; margin-bottom: 12px; }
.page-khuyen-mai__promo-title { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; color: #1F2D3D; }
.page-khuyen-mai__promo-desc { font-size: 0.95rem; line-height: 1.6; color: #1F2D3D; margin-bottom: 20px; flex: 1; }
.page-khuyen-mai__promo-body .page-khuyen-mai__btn { align-self: flex-start; }
.page-khuyen-mai__rules { background: #FFFFFF; border-top: 1px solid #D6E2FF; padding: 40px 16px; }
.page-khuyen-mai__rules-inner { max-width: 800px; margin: 0 auto; }
.page-khuyen-mai__rules-title { text-align: center; color: #1F2D3D; font-size: 1.6rem; font-weight: 800; margin-bottom: 24px; }
.page-khuyen-mai__rules-item { font-size: 1rem; line-height: 1.7; color: #1F2D3D; margin-bottom: 10px; }
@media (max-width: 1024px) {
  .page-khuyen-mai__promo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .page-khuyen-mai__hero { padding-top: 10px; }
  .page-khuyen-mai__hero-image img { aspect-ratio: 2/1; }
  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; padding: 24px 12px; }
  .page-khuyen-mai__promo-image img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai__hero-actions { flex-direction: column; align-items: center; width: 100%; }
  .page-khuyen-mai__hero-actions .page-khuyen-mai__btn { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; width: 100%; }
}