.page-khuyen-mai { color: #333333; font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif; background-color: #F5F7FA; }
.page-khuyen-mai__promo-hero { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 10px 0 20px; }
.page-khuyen-mai__promo-hero-image { display: block; width: 100%; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__hero-banner { display: block; width: 100%; max-width: 1200px; height: auto; aspect-ratio: 1024/400; object-fit: cover; border-radius: 16px; box-shadow: 0 8px 24px rgba(229, 57, 53, 0.15); }
.page-khuyen-mai__promo-hero-content { max-width: 1100px; margin: 20px auto 0; text-align: center; padding: 0 16px; flex: 1; }
.page-khuyen-mai__promo-title { color: #E53935; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; max-width: 800px; margin: 0 auto 8px; font-size: clamp(1.5rem, 3vw, 2.6rem); }
.page-khuyen-mai__promo-subtitle { max-width: 860px; margin: 0 auto 20px; color: #333333; font-size: 1rem; line-height: 1.6; }
.page-khuyen-mai__promo-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; }
.page-khuyen-mai__btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 40px; padding: 12px 30px; font-weight: 600; font-size: 0.95rem; text-decoration: none; border: none; cursor: pointer; transition: transform 0.2s ease; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-khuyen-mai__btn:hover { transform: translateY(-1px); }
.page-khuyen-mai__btn--primary { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #FFFFFF; box-shadow: 0 4px 12px rgba(229, 57, 53, 0.25); }
.page-khuyen-mai__btn--ghost { background: transparent; color: #E53935; border: 2px solid #E53935; }
.page-khuyen-mai__offers-section, .page-khuyen-mai__conditions-section { background: #FFFFFF; }
.page-khuyen-mai__guide-section { background: #F5F7FA; }
.page-khuyen-mai__section-inner { max-width: 1200px; margin: 0 auto; padding: 32px 0 28px; box-sizing: border-box; }
.page-khuyen-mai__section-heading { text-align: center; margin-bottom: 32px; }
.page-khuyen-mai__section-title { color: #E53935; font-weight: 700; line-height: 1.25; margin-bottom: 6px; font-size: clamp(1.4rem, 2.7vw, 2.1rem); }
.page-khuyen-mai__section-desc { color: #555555; margin: 0 auto; max-width: 760px; font-size: 0.98rem; line-height: 1.6; }
.page-khuyen-mai__offers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 12px 0; }
.page-khuyen-mai__offer-card { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow 0.25s ease; }
.page-khuyen-mai__offer-card:hover { box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12); }
.page-khuyen-mai__offer-card-media { display: block; width: 100%; overflow: hidden; }
.page-khuyen-mai__offer-card-media img { display: block; width: 100%; max-width: 100%; height: auto; aspect-ratio: 800/400; object-fit: cover; }
.page-khuyen-mai__offer-card-body { padding: 16px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.page-khuyen-mai__offer-tag { align-self: flex-start; background: #FDECEA; color: #E53935; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 12px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.02em; }
.page-khuyen-mai__offer-card-title { color: #333333; font-size: 1.15rem; margin-bottom: 8px; line-height: 1.35; font-weight: 600; }
.page-khuyen-mai__offer-card-desc { font-size: 0.9rem; line-height: 1.55; color: #555555; margin-bottom: 16px; flex: 1; }
.page-khuyen-mai__steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; max-width: 1000px; margin: 10px auto 24px; }
.page-khuyen-mai__step-item { text-align: center; background: #FFFFFF; padding: 24px 18px; border-radius: 16px; border: 1px solid #E0E0E0; }
.page-khuyen-mai__step-number { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #FFFFFF; border-radius: 50%; font-weight: 700; font-size: 1.2rem; margin: 0 auto 12px; }
.page-khuyen-mai__step-title, .page-khuyen-mai__step-desc { font-family: inherit; }
.page-khuyen-mai__step-title { color: #333333; margin-bottom: 8px; font-size: 1.05rem; font-weight: 600; }
.page-khuyen-mai__step-desc { color: #555555; font-size: 0.95rem; line-height: 1.5; max-width: 280px; margin: 0 auto; }
.page-khuyen-mai__guide-actions { display: flex; justify-content: center; margin-top: 12px; }
.page-khuyen-mai__rules-content { max-width: 860px; margin: 0 auto; background: #F9FAFB; padding: 24px 20px; border-radius: 12px; color: #333333; font-size: 0.95rem; line-height: 1.6; }
.page-khuyen-mai__rule-list { display: grid; gap: 6px; padding-left: 4px; list-style: none; margin-bottom: 12px; }
.page-khuyen-mai__rule-list li { display: flex; align-items: flex-start; gap: 8px; }
.page-khuyen-mai__rule-list li:before { content: "✔", ""; color: #E53935; font-weight: 700; display: inline-block; min-width: 18px; }
.page-khuyen-mai__faq-item { margin: 8px 0 0; border-radius: 12px; background: #FFFFFF; border: 1px solid #E0E0E0; }
.page-khuyen-mai__faq-question { list-style: none; display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 14px 16px; gap: 12px; font-weight: 500; color: #333333; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-toggle { flex-shrink: 0; background: #FFFFFF; border: 1px solid #E53935; color: #E53935; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; }
.page-khuyen-mai__faq-answer { padding: 0 16px 16px; color: #555555; font-size: 0.9rem; line-height: 1.55; }
.page-khuyen-mai__faq-answer p { margin: 0; }
@media (max-width: 1024px) {
  .page-khuyen-mai__offers-grid { grid-template-columns: repeat(2, 1fr); }
  .page-khuyen-mai__steps { gap: 20px; }
}
@media (max-width: 768px) {
  .page-khuyen-mai { max-width: 100%; overflow-x: hidden; }
  .page-khuyen-mai__promo-hero { align-items: center; padding-top: 8px; }
  .page-khuyen-mai__hero-banner { aspect-ratio: 2/1; max-width: 100%; }
  .page-khuyen-mai__promo-hero-content { padding: 0 12px; }
  .page-khuyen-mai__promo-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
  .page-khuyen-mai__btn { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
  .page-khuyen-mai__btn--ghost, .page-khuyen-mai__btn--primary { min-width: 140px; }
  .page-khuyen-mai__section-inner { padding-top: 28px; padding-bottom: 24px; }
  .page-khuyen-mai__offers-grid { grid-template-columns: 1fr; gap: 16px; }
  .page-khuyen-mai__steps { grid-template-columns: 1fr; max-width: 400px; gap: 16px; }
  .page-khuyen-mai__offer-card-body { padding: 14px; }
  .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai__rules-content { padding: 20px 14px; }
  .page-khuyen-mai__faq-question { font-size: 0.9rem; flex-wrap: wrap; }
  .page-khuyen-mai__faq-toggle { width: 26px; height: 26px; }
}