.page-khuyen-mai { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background-color: #f5f7fa; color: #333333; margin: 0 auto; max-width: 1200px; padding: 0 16px 24px; }
.page-khuyen-mai__hero-section { margin: 16px 0 40px; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 20px rgba(10, 20, 40, 0.15); }
.page-khuyen-mai__hero-image-wrap { width: 100%; background-color: #113B7A; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; aspect-ratio: 16/5; object-fit: cover; display: block; max-width: 1200px; max-height: 560px; }
.page-khuyen-mai__hero-content { background-color: #0A1B3A; background: linear-gradient(180deg, #0D1F42 0%, #08162B 100%); padding: 20px 32px 32px; text-align: center; }
.page-khuyen-mai__hero-title { font-weight: 700; line-height: 1.3; letter-spacing: -0.03em; color: #F3F8FF; margin: 0 0 12px; }
.page-khuyen-mai__hero-desc { color: #AFC4E8; margin: 0 auto 24px; max-width: 720px; }
.page-khuyen-mai__cta-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.page-khuyen-mai__btn, .page-khuyen-mai__promo-cta { display: inline-block; padding: 12px 32px; border-radius: 30px; text-decoration: none; font-weight: 600; border: 1px solid #244D84; background-image: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #FFFFFF; margin: 0 12px; transition: opacity 0.2s; }
.page-khuyen-mai__btn:hover, .page-khuyen-mai__promo-cta:hover { opacity: 0.95; box-shadow: 0 0 12px rgba(79, 168, 255, 0.4); }
.page-khuyen-mai__btn--secondary { background: transparent; border: 1px solid #F2C14E; color: #F2C14E; background-image: none; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-bottom: 48px; }
.page-khuyen-mai__promo-card { background-color: #10233F; border-radius: 8px; border: 1px solid #244D84; overflow: hidden; display: flex; flex-direction: column; }
.page-khuyen-mai__promo-badge { margin: 20px 0 0 20px; align-self: flex-start; background-color: #F2C14E; color: #1B3357; padding: 6px 18px; border-radius: 999px; font-size: 13px; font-weight: 700; text-transform: capitalize; }
.page-khuyen-mai__promo-badge--gold { background-color: #F2C14E; color: #10233F; }
.page-khuyen-mai__promo-badge--blue { background-color: #4FA8FF; color: #0B1D3A; }
.page-khuyen-mai__promo-badge--green { background-color: #35CC7A; color: #0F3A1E; }
.page-khuyen-mai__promo-image { width: 100%; aspect-ratio: 2/1; object-fit: cover; display: block; height: auto; }
.page-khuyen-mai__promo-title { color: #F3F8FF; padding: 16px 20px 0; margin: 0; }
.page-khuyen-mai__promo-desc { padding: 8px 20px 12px; color: #AFC4E8; margin: 0; line-height: 1.6; flex: 1; }
.page-khuyen-mai__promo-cta { margin: 4px 20px 24px; text-align: center; align-self: stretch; }
.page-khuyen-mai__bonus-section { color: #AFC4E8; margin-bottom: 48px; }
.page-khuyen-mai__section-title, .page-khuyen-mai__guide-title, .page-khuyen-mai__faq-title { color: #113B7A; text-align: center; margin-top: 48px; margin-bottom: 16px; }
.page-khuyen-mai__section-desc { text-align: center; max-width: 800px; margin: 0 auto 32px; color: #10233F; }
.page-khuyen-mai__table-wrap { overflow-x: auto; }
.page-khuyen-mai__bonus-table { width: 100%; border-collapse: collapse; caption-side: top; background-color: #FFFFFF; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.page-khuyen-mai__table-caption { font-weight: 600; color: #0A1B3A; padding: 16px; background-color: #DFE8F7; }
.page-khuyen-mai__bonus-table th, .page-khuyen-mai__bonus-table td { border: 1px solid #244D84; padding: 14px 12px; text-align: left; color: #10233F; }
.page-khuyen-mai__bonus-table th { background-color: #113B7A; color: #FFFFFF; }
.page-khuyen-mai__bonus-table tr:nth-child(even) { background-color: #DFE8F7; }
.page-khuyen-mai__sub-title { color: #113B7A; margin-top: 24px; }
.page-khuyen-mai__terms-list { margin: 8px 0 0; padding-left: 40px; color: #10233F; }
.page-khuyen-mai__terms-list li { margin-bottom: 8px; }
.page-khuyen-mai__guide-figure { margin: 0 0 20px; text-align: center; }
.page-khuyen-mai__guide-figure img { width: 100%; max-width: 800px; aspect-ratio: 2/1; object-fit: cover; border-radius: 8px; }
.page-khuyen-mai__guide-list { max-width: 800px; margin: 0 auto; padding-left: 0; list-style: none; counter-reset: step; color: #10233F; }
.page-khuyen-mai__guide-list li { counter-increment: step; position: relative; padding-left: 56px; margin-bottom: 24px; }
.page-khuyen-mai__guide-list li::before { content: counter(step); position: absolute; left: 0; top: 0; background-color: #1D5FD1; color: #fff; width: 36px; height: 36px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-weight: 700; }
.page-khuyen-mai__guide-list strong { display: block; margin-bottom: 20px; }
.page-khuyen-mai__faq-section { max-width: 800px; margin: 0 auto; }
.page-khuyen-mai__faq-item { border: 1px solid #244D84; border-radius: 8px; margin-bottom: 16px; overflow: hidden; background-color: #FFFFFF; }
.page-khuyen-mai__faq-item summary { padding: 16px 24px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: #10233F; }
.page-khuyen-mai__faq-item summary::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-icon { font-weight: 700; font-size: 22px; color: #F2C14E; line-height: 1; }
.page-khuyen-mai__faq-item p { padding: 0 24px 16px; margin: 0; color: #333; }
@media (max-width: 768px) {
  .page-khuyen-mai { padding-left: 12px; padding-right: 12px; }
  .page-khuyen-mai__hero-section { margin-top: 8px; }
  .page-khuyen-mai__hero-image { aspect-ratio: 16/9; }
  .page-khuyen-mai__hero-content { padding: 16px; }
  .page-khuyen-mai__cta-group { flex-direction: column; align-items: center; }
  .page-khuyen-mai__btn { width: 100%; max-width: 100%; box-sizing: border-box; text-align: center; white-space: normal; overflow-wrap: break-word; }
  .page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .page-khuyen-mai__promo-card { }
  .page-khuyen-mai__promo-cta { width: auto; }
  .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai .page-khuyen-mai__guide-figure img, .page-khuyen-mai .page-khuyen-mai__promo-image { height: auto !important; max-width: 100% !important; }
}
@media (max-width: 480px) {
  .page-khuyen-mai__hero-content { padding: 16px 8px; }
  .page-khuyen-mai__btn, .page-khuyen-mai__promo-cta { padding: 10px 16px; font-size: 14px; margin: 4px 0; }
  .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; }
  .page-khuyen-mai__hero-title { line-height: 1.4; }
  .page-khuyen-mai__guide-list li { padding-left: 44px; }
  .page-khuyen-mai__guide-list li::before { width: 30px; height: 30px; }
  .page-khuyen-mai__table-wrap { overflow-x: auto; }
}