.page-khuyen-mai { background-color: #0D0E12; color: #FFF3E6; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; }
.page-khuyen-mai__hero-section { padding: 10px 20px 24px; display: flex; flex-direction: column; align-items: center; }
.page-khuyen-mai__hero-image-block { width: 100%; }
.page-khuyen-mai__hero-image { width: 100%; max-width: 1200px; min-width: 200px; height: auto; aspect-ratio: 16/9; object-fit: cover; border-radius: 16px; display: block; }
.page-khuyen-mai__hero-content { width: 100%; max-width: 720px; text-align: center; margin-top: 20px; }
.page-khuyen-mai__hero-title { color: #FFB04D; font-size: clamp(1.6rem, 4vw, 2.8rem); line-height: 1.2; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 12px; }
.page-khuyen-mai__hero-subtitle { color: #FFF3E6; font-size: 1.05rem; margin-bottom: 20px; }
.page-khuyen-mai__hero-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
.page-khuyen-mai__btn { display: inline-block; padding: 14px 32px; border-radius: 999px; text-decoration: none; font-weight: 700; font-size: 1rem; text-align: center; white-space: normal; word-wrap: break-word; box-sizing: border-box; max-width: 100%; transition: transform .2s ease, box-shadow .2s ease; }
.page-khuyen-mai__btn--primary, .page-khuyen-mai__btn--secondary, .page-khuyen-mai__btn--outline { background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); border: 1px solid #FFB04D; color: #0D0E12; box-shadow: 0 4px 12px rgba(255,176,77,0.3); }
.page-khuyen-mai__btn--primary:hover, .page-khuyen-mai__btn--secondary:hover, .page-khuyen-mai__btn--outline:hover { transform: scale(1.02); box-shadow: 0 6px 16px rgba(255,176,77,0.5); }
.page-khuyen-mai__intro-section { background-color: #17191F; padding: 40px 16px; }
.page-khuyen-mai__intro-container { max-width: 1100px; margin: 0 auto; display: flex; gap: 24px; }
.page-khuyen-mai__intro-card { background: #0D0E12; border: 1px solid #A84F0C; padding: 24px; border-radius: 16px; }
.page-khuyen-mai__intro-icon { font-size: 2rem; }
.page-khuyen-mai__intro-title { color: #FFA53A; font-size: 1.2rem; margin: 8px 0; }
.page-khuyen-mai__intro-text { color: #FFF3E6; font-size: 0.95rem; }
.page-khuyen-mai__promo-section { padding: 40px 16px; }
.page-khuyen-mai__promo-container { max-width: 1100px; margin: 0 auto; }
.page-khuyen-mai__promo-title, .page-khuyen-mai__terms-title, .page-khuyen-mai__faq-title, .page-khuyen-mai__support-title { color: #FFA53A; font-size: 2rem; text-align: center; margin-bottom: 24px; }
.page-khuyen-mai__promo-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.page-khuyen-mai__promo-card { background: #17191F; border: 1px solid #A84F0C; border-radius: 12px; overflow: hidden; }
.page-khuyen-mai__promo-card-image { width: 100%; }
.page-khuyen-mai__promo-card-image img { width: 100%; max-width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; display: block; }
.page-khuyen-mai__promo-card-body { padding: 16px; }
.page-khuyen-mai__promo-card-title { color: #FFF3E6; font-size: 1.2rem; margin: 0 0 8px; }
.page-khuyen-mai__promo-card-desc { color: #FFF3E6; font-size: 0.95rem; margin-bottom: 16px; }
.page-khuyen-mai__terms-section { background-color: #17191F; padding: 40px 16px; }
.page-khuyen-mai__terms-container { max-width: 1100px; margin: 0 auto; text-align: center; }
.page-khuyen-mai__terms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
.page-khuyen-mai__terms-box { background: #0D0E12; border: 1px solid #A84F0C; border-radius: 12px; padding: 24px; }
.page-khuyen-mai__terms-subtitle { color: #FFA53A; font-weight: 600; margin-bottom: 8px; }
.page-khuyen-mai__terms-desc { color: #FFF3E6; font-size: 0.9rem; }
.page-khuyen-mai__faq-section { padding: 40px 16px; }
.page-khuyen-mai__faq-container { max-width: 800px; margin: 0 auto; }
.page-khuyen-mai__faq-list { background: #17191F; border-radius: 12px; overflow: hidden; }
.page-khuyen-mai__faq-item { border-bottom: 1px solid #A84F0C; }
.page-khuyen-mai__faq-item[open] { border-bottom-color: #FFB04D; }
.page-khuyen-mai__faq-question { display: flex; justify-content: space-between; align-items: center; padding: 16px; cursor: pointer; color: #FFF3E6; font-weight: 500; }
.page-khuyen-mai__faq-toggle { font-size: 1.5rem; color: #FFA53A; }
.page-khuyen-mai__faq-answer { padding: 0 16px 16px; color: #FFF3E6; font-size: 0.95rem; }
.page-khuyen-mai__support-section { background-color: #17191F; padding: 40px 16px; text-align: center; }
.page-khuyen-mai__support-container { max-width: 600px; margin: 0 auto; }
.page-khuyen-mai__support-desc { color: #FFF3E6; margin-bottom: 24px; }
@media (max-width: 1024px) {
  .page-khuyen-mai__intro-container, .page-khuyen-mai__promo-list, .page-khuyen-mai__terms-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .page-khuyen-mai { max-width: 100%; overflow-x: hidden; }
  .page-khuyen-mai__hero-section { padding: 10px 12px 24px; }
  .page-khuyen-mai__hero-image { aspect-ratio: 16/10; }
  .page-khuyen-mai__hero-title { font-size: clamp(1.4rem, 5vw, 2rem); }
  .page-khuyen-mai__hero-subtitle { font-size: 1rem; }
  .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai__intro-container, .page-khuyen-mai__promo-list, .page-khuyen-mai__terms-grid { grid-template-columns: 1fr; }
  .page-khuyen-mai__btn { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; width: 100%; }
  .page-khuyen-mai__hero-actions, .page-khuyen-mai__support-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
  .page-khuyen-mai__support-actions .page-khuyen-mai__btn { width: 100%; max-width: 100%; box-sizing: border-box; }
}