.page-khuyen-mai{background-color:#08160F;color:#F2FFF6;--page-khuyen-mai-text-main:#F2FFF6;--page-khuyen-mai-text-secondary:#A7D9B8;--page-khuyen-mai-bg:#08160F;--page-khuyen-mai-card-bg:#11271B;--page-khuyen-mai-border:#2E7A4E;--page-khuyen-mai-glow:#57E38D;--page-khuyen-mai-gold:#F2C14E;--page-khuyen-mai-divider:#1E3A2A;--page-khuyen-mai-deep-green:#0A4B2C;--page-khuyen-mai-btn-gradient:linear-gradient(180deg, #2AD16F 0%, #13994A 100%);}
.page-khuyen-mai__hero{padding-top:10px;background-color:var(--page-khuyen-mai-bg);}
.page-khuyen-mai__hero-image{width:100%;height:auto;aspect-ratio:4/1;object-fit:cover;display:block;border-radius:12px;border:1px solid var(--page-khuyen-mai-border);max-width:1200px;margin:0 auto;}
.page-khuyen-mai__hero-content{max-width:1200px;margin:0 auto;padding:24px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;}
.page-khuyen-mai__main-title{color:var(--page-khuyen-mai-glow);font-weight:800;line-height:1.3;letter-spacing:0.5px;max-width:900px;margin:0;}
.page-khuyen-mai__hero-description{color:var(--page-khuyen-mai-text-secondary);max-width:900px;margin:0;line-height:1.6;font-size:1.05rem;}
.page-khuyen-mai__hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;max-width:100%;width:100%;box-sizing:border-box;overflow:hidden;}
.page-khuyen-mai__btn{display:inline-block;padding:12px 28px;border-radius:999px;font-weight:700;text-align:center;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;border:none;cursor:pointer;font-size:1rem;box-sizing:border-box;max-width:100%;white-space:normal;word-wrap:break-word;}
.page-khuyen-mai__btn--primary{background:linear-gradient(180deg, #2AD16F 0%, #13994A 100%);color:#08160F;box-shadow:0 4px 15px rgba(87,227,141,0.25);}
.page-khuyen-mai__btn--primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(87,227,141,0.4);}
.page-khuyen-mai__btn--secondary{background:transparent;color:var(--page-khuyen-mai-text-main);border:1px solid var(--page-khuyen-mai-border);}
.page-khuyen-mai__btn--secondary:hover{border-color:var(--page-khuyen-mai-glow);color:var(--page-khuyen-mai-glow);}
.page-khuyen-mai__section-title{color:var(--page-khuyen-mai-glow);font-weight:700;font-size:1.8rem;text-align:center;max-width:1200px;margin:40px auto 24px;padding:0 16px;line-height:1.3;}
.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1200px;margin:0 auto;padding:0 16px 40px;}
.page-khuyen-mai__promo-card{background-color:var(--page-khuyen-mai-card-bg);border:1px solid var(--page-khuyen-mai-border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease;box-shadow:0 4px 10px rgba(0,0,0,0.3);}
.page-khuyen-mai__promo-card:hover{transform:translateY(-4px);border-color:var(--page-khuyen-mai-glow);}
.page-khuyen-mai__promo-image{width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;display:block;}
.page-khuyen-mai__promo-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.page-khuyen-mai__promo-title{color:var(--page-khuyen-mai-text-main);font-size:1.2rem;margin:0;line-height:1.3;}
.page-khuyen-mai__promo-desc{color:var(--page-khuyen-mai-text-secondary);font-size:0.95rem;line-height:1.6;margin:0;flex:1;}
.page-khuyen-mai__promo-card .page-khuyen-mai__btn{align-self:flex-start;margin-top:auto;}
.page-khuyen-mai__promo-detail{max-width:1200px;margin:0 auto;padding:0 16px 40px;}
.page-khuyen-mai__faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.page-khuyen-mai__faq-item{background-color:var(--page-khuyen-mai-card-bg);border:1px solid var(--page-khuyen-mai-border);border-radius:12px;overflow:hidden;}
.page-khuyen-mai__faq-question{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-weight:700;color:var(--page-khuyen-mai-text-main);font-size:1.05rem;gap:12px;transition:background-color .2s ease;}
.page-khuyen-mai__faq-question::-webkit-details-marker{display:none;}
.page-khuyen-mai__faq-question:hover{background-color:rgba(46,122,78,0.2);}
.page-khuyen-mai__faq-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;border:1px solid var(--page-khuyen-mai-glow);color:var(--page-khuyen-mai-glow);flex-shrink:0;font-size:1.2rem;line-height:1;}
.page-khuyen-mai__faq-answer{padding:0 24px 20px;color:var(--page-khuyen-mai-text-secondary);line-height:1.7;border-top:1px solid var(--page-khuyen-mai-divider);margin:0 0 0 0;}
.page-khuyen-mai__faq-answer p{margin:16px 0 0;}
.page-khuyen-mai__register-guide{max-width:1200px;margin:0 auto;padding:0 16px 60px;}
.page-khuyen-mai__guide-list{list-style:none;max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:16px;padding:0;}
.page-khuyen-mai__guide-item{display:flex;gap:16px;align-items:flex-start;background-color:var(--page-khuyen-mai-card-bg);border:1px solid var(--page-khuyen-mai-border);padding:16px 20px;border-radius:12px;}
.page-khuyen-mai__guide-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--page-khuyen-mai-btn-gradient);color:#08160F;font-weight:800;flex-shrink:0;font-size:1.1rem;}
.page-khuyen-mai__guide-text{margin:0;line-height:1.6;color:var(--page-khuyen-mai-text-main);}
.page-khuyen-mai__guide-text strong{color:var(--page-khuyen-mai-glow);}
.page-khuyen-mai__guide-action{text-align:center;margin-top:28px;}
@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:8px;}
.page-khuyen-mai__hero-image{aspect-ratio:2/1;}
.page-khuyen-mai__hero-content{padding:20px 12px;}
.page-khuyen-mai__hero-actions{flex-direction:column;align-items:center;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;width:100%;text-align:center;}
.page-khuyen-mai__promo-grid{grid-template-columns:1fr;gap:20px;padding:0 12px 32px;}
.page-khuyen-mai__promo-body{padding:16px;}
.page-khuyen-mai__section-title{font-size:1.4rem;margin:32px auto 16px;padding:0 12px;}
.page-khuyen-mai__promo-detail{padding:0 12px 32px;}
.page-khuyen-mai__faq-question{padding:16px;font-size:0.98rem;}
.page-khuyen-mai__faq-answer{padding:0 16px 16px;}
.page-khuyen-mai__register-guide{padding:0 12px 40px;}
.page-khuyen-mai__guide-item{flex-direction:column;align-items:flex-start;gap:8px;padding:14px 16px;}
.page-khuyen-mai img{max-width:100%;height:auto;}
}