.page-khuyen-mai { background-color: var(--deep-navy); color: #F3F8FF; font-family: 'Segoe UI', Roboto, Arial, sans-serif; overflow-x: hidden; }
.page-khuyen-mai a { text-decoration: none; }

/* HERO / Banner chính */
.page-khuyen-mai__hero { display: flex; flex-direction: column; max-width: 1200px; margin: 0 auto; width: 100%; }
.page-khuyen-mai__hero-image { width: 100%; max-width: 1200px; aspect-ratio: 17/5; object-fit: cover; display: block; border-radius: 0 0 20px 20px; }
.page-khuyen-mai__hero-content { width: 100%; max-width: 1200px; margin: 16px auto 0; padding: 10px 0; }
.page-khuyen-mai__hero-title { color: #F3F8FF; font-weight: 800; line-height: 1.3; letter-spacing: -0.2px; max-width: 80%; }
.page-khuyen-mai__hero-subtitle { color: #AFC4E8; max-width: 45em; line-height: 1.6; margin: 12px 0 20px; max-width: 100%; }
.page-khuyen-mai__hero-cta { display: inline-block; padding: 14px 28px; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; border-radius: 10px; font-weight: 700; transition: opacity .3s ease; }
.page-khuyen-mai__hero-cta:hover { opacity: .9; }

/* Danh sách ưu đãi nổi bật */
.page-khuyen-mai__promo-list-section { max-width: 1200px; margin: 30px auto 0; padding: 0 16px; }
.page-khuyen-mai__section-heading { text-align: center; }
.page-khuyen-mai__section-title { color: #F2C14E; font-size: 1.6rem; margin-bottom: 10px; }
.page-khuyen-mai__section-subtitle { color: #AFC4E8; max-width: 75%; margin: 0 auto 30px; }
.page-khuyen-mai__promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.page-khuyen-mai__promo-card { background-color: #10233F; border: 1px solid #244D84; border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; align-items: stretch; }
.page-khuyen-mai__promo-image { width: 100%; object-fit: cover; display: block; aspect-ratio: 2/1; }
.page-khuyen-mai__promo-body { padding: 18px; text-align: left; display: flex; flex-direction: column; flex: 1; }
.page-khuyen-mai__promo-body h3 { color: #F3F8FF; font-size: 1rem; text-align: left; margin-top: 0; margin-bottom: 8px; }
.page-khuyen-mai__promo-body p { color: #AFC4E8; font-size: 0.88rem; line-height: 1.5; flex: 1; margin: 0 0 14px; }
.page-khuyen-mai__highlight-gold { color: #F2C14E; font-weight: 800; }
.page-khuyen-mai__promo-button { display: inline-block; text-align: center; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; padding: 12px 16px; border-radius: 8px; font-weight: 700; font-size: 0.85rem; width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; transition: opacity .3s ease; }
.page-khuyen-mai__promo-button:hover { opacity: .95; }

/* Chi tiết chương trình */
.page-khuyen-mai__detail-section { max-width: 1200px; margin: 16px auto; padding: 30px 16px 0; }
.page-khuyen-mai__detail-wrap { background-color: #10233F; border-radius: 14px; padding: 30px 24px; border: 1px solid #244D84; text-align: center; }
.page-khuyen-mai__detail-heading { color: #F2C14E; font-size: 1.15rem; margin-top: 0; }
.page-khuyen-mai__detail-paragraph { color: #AFC4E8; font-size: .92rem; line-height: 1.6; max-width: 85%; margin: 0 auto 20px; }
.page-khuyen-mai__detail-section .page-khuyen-mai__promo-button { max-width: 400px; margin: 0 auto; display: block; }

/* FAQ */
.page-khuyen-mai__faq-section { max-width: 1200px; margin: 40px auto 0; padding: 10px 16px; }
.page-khuyen-mai__faq-title { color: #F2C14E; text-align: center; } 
.page-khuyen-mai__faq-item { background-color: #10233F; margin-bottom: 12px; border-radius: 14px; border: 1px solid #244D84; padding: 20px; box-sizing: border-box; }
.page-khuyen-mai__faq-item summary { color: #F3F8FF; font-size: .9rem; font-weight: 700; }
.page-khuyen-mai__faq-item p { color: #AFC4E8; font-size: .86rem; line-height: 1.6; margin-top: 14px; }

/* Lưu ý cuối trang */
.page-khuyen-mai__disclaimer-box { max-width: 1200px; margin: 36px auto 50px; padding: 18px 20px; background-color: #1B3357; border-left: 6px solid #4FA8FF; border-radius: 4px; text-align: left; }
.page-khuyen-mai__disclaimer-box h3 { color: #F3F8FF; margin: 0 0 10px; font-size: .95rem; }
.page-khuyen-mai__disclaimer-box p { color: #AFC4E8; font-size: .82rem; margin-bottom: 14px; line-height: 1.6; }
.page-khuyen-mai__disclaimer-box .page-khuyen-mai__promo-button { margin: 10px 5px 0 0; max-width: 300px; width: auto; }

/* Responsive */
@media (max-width: 768px) {
    .page-khuyen-mai__hero { padding-top: 10px; }
    .page-khuyen-mai__hero-image { aspect-ratio: 2/1; border-radius: 0 0 8px 8px; }
    .page-khuyen-mai__hero-title { font-size: 1rem; line-height: 1.4; max-width: 100%; }
    .page-khuyen-mai__hero-subtitle { font-size: .74rem; }
    .page-khuyen-mai__hero-cta { width: 100%; text-align: center; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
    .page-khuyen-mai__section-heading h2 { font-size: 1rem; }
    .page-khuyen-mai__section-subtitle { max-width: 100%; font-size: .8rem; margin-bottom: 20px; }
    .page-khuyen-mai__promo-grid { grid-template-columns: 1fr; gap: 16px; }
    .page-khuyen-mai__promo-card h3 { font-size: .9rem; }
    .page-khuyen-mai__promo-card p { font-size: .78rem; }
    .page-khuyen-mai__promo-button { padding: 12px 10px; font-size: .8rem; max-width: 100%; }
    .page-khuyen-mai__detail-paragraph { font-size: .9rem; line-height: 1.4; }
    .page-khuyen-mai__detail-wrap { padding: 20px 16px; }
    .page-khuyen-mai__faq-title { font-size: 1rem; }
    .page-khuyen-mai__faq-item { padding: 15px; }
    .page-khuyen-mai__faq-item summary { font-size: .86rem; }
    .page-khuyen-mai__faq-item p { font-size: .8rem; }
    .page-khuyen-mai__disclaimer-box { margin-bottom: 30px; }
    .page-khuyen-mai__disclaimer-box h3 { font-size: .85rem; }
    .page-khuyen-mai__disclaimer-box p { font-size: .75rem; }
    .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai { overflow-x: hidden; max-width: 100%; }
}