.page-khuyen-mai{color:#333;background:#fff}
.page-khuyen-mai__hero-section{max-width:1200px;margin:0 auto;padding:10px 16px 0}
.page-khuyen-mai__hero-image{width:100%}
.page-khuyen-mai__hero-image img{display:block;width:100%;height:auto;aspect-ratio:17/5;object-fit:cover}
.page-khuyen-mai__hero-content{text-align:center;padding:24px 0 32px}
.page-khuyen-mai__hero-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:#017439;line-height:1.3;max-width:850px;margin:0 auto 12px}
.page-khuyen-mai__hero-desc{font-size:1.05rem;line-height:1.7;max-width:800px;margin:0 auto 24px;color:#555}
.page-khuyen-mai__hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.page-khuyen-mai__btn-register{display:inline-block;padding:14px 32px;background:#C30808;color:#FFFF00;font-weight:700;font-size:1.1rem;border-radius:8px;text-decoration:none;transition:transform .2s}
.page-khuyen-mai__btn-login{display:inline-block;padding:14px 32px;background:#C30808;color:#FFFF00;font-weight:700;font-size:1.1rem;border-radius:8px;text-decoration:none;transition:transform .2s}
.page-khuyen-mai__btn-register:hover,.page-khuyen-mai__btn-login:hover{transform:translateY(-2px)}
.page-khuyen-mai__promo-section{max-width:1200px;margin:0 auto;padding:40px 16px}
.page-khuyen-mai__promo-header{text-align:center;margin-bottom:32px}
.page-khuyen-mai__section-title{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;color:#017439;margin:0 0 8px;text-align:center}
.page-khuyen-mai__section-desc{font-size:1rem;line-height:1.6;color:#666;max-width:800px;margin:0 auto}
.page-khuyen-mai__promo-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.page-khuyen-mai__promo-card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;overflow:hidden;transition:box-shadow .3s}
.page-khuyen-mai__promo-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08)}
.page-khuyen-mai__promo-image img{display:block;width:100%;aspect-ratio:2/1;object-fit:cover}
.page-khuyen-mai__promo-card-content{padding:20px}
.page-khuyen-mai__promo-title{font-size:1.25rem;font-weight:700;color:#017439;margin:0 0 10px}
.page-khuyen-mai__promo-title a{color:#017439;text-decoration:none}
.page-khuyen-mai__promo-title a:hover{text-decoration:underline}
.page-khuyen-mai__promo-desc{font-size:.95rem;line-height:1.6;color:#555;margin:0 0 16px}
.page-khuyen-mai__promo-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #f0f0f0;padding-top:12px}
.page-khuyen-mai__promo-date{font-size:.85rem;color:#888}
.page-khuyen-mai__promo-link{display:inline-block;padding:8px 16px;background:#017439;color:#fff;font-weight:600;font-size:.9rem;border-radius:6px;text-decoration:none;transition:background .2s}
.page-khuyen-mai__promo-link:hover{background:#015c2e}
.page-khuyen-mai__steps-section{background:#f5f9f7;padding:48px 16px}
.page-khuyen-mai__steps-inner{max-width:1000px;margin:0 auto}
.page-khuyen-mai__steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.page-khuyen-mai__step-item{background:#fff;border-radius:12px;padding:24px;text-align:center;border:1px solid #e8e8e8}
.page-khuyen-mai__step-number{width:48px;height:48px;border-radius:50%;background:#017439;color:#fff;font-size:1.5rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.page-khuyen-mai__step-title{font-size:1.1rem;font-weight:700;color:#017439;margin:0 0 8px}
.page-khuyen-mai__step-desc{font-size:.9rem;color:#666;line-height:1.6;margin:0 0 16px}
.page-khuyen-mai__step-link{display:inline-block;padding:8px 24px;background:#C30808;color:#FFFF00;font-weight:600;border-radius:6px;text-decoration:none}
.page-khuyen-mai__guide-section{max-width:1200px;margin:0 auto;padding:48px 16px}
.page-khuyen-mai__guide-inner{max-width:1000px;margin:0 auto}
.page-khuyen-mai__guide-content{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px}
.page-khuyen-mai__guide-item{background:#fff;border:1px solid #e8e8e8;border-radius:12px;overflow:hidden}
.page-khuyen-mai__guide-figure{margin:0}
.page-khuyen-mai__guide-figure img{display:block;width:100%;max-width:800px;aspect-ratio:2/1;object-fit:cover}
.page-khuyen-mai__guide-text{padding:20px}
.page-khuyen-mai__guide-title{font-size:1.1rem;font-weight:700;color:#017439;margin:0 0 8px}
.page-khuyen-mai__guide-desc{font-size:.9rem;color:#555;line-height:1.6;margin:0}
.page-khuyen-mai__guide-faq{margin-top:40px}
.page-khuyen-mai__faq-item{background:#f9faf9;border:1px solid #e0e0e0;border-radius:8px;margin-bottom:12px}
.page-khuyen-mai__faq-question{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;cursor:pointer;font-weight:600;color:#017439;list-style:none}
.page-khuyen-mai__faq-question::-webkit-details-marker{display:none}
.page-khuyen-mai__faq-question:hover{background:#f0f5f2}
.page-khuyen-mai__faq-toggle{font-size:1.5rem;font-weight:700;color:#017439;transition:transform .2s}
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle{transform:rotate(45deg)}
.page-khuyen-mai__faq-answer{padding:0 20px 16px}
.page-khuyen-mai__faq-desc{margin:0;color:#555;line-height:1.7}
.page-khuyen-mai__cta-section{background:#017439;padding:48px 16px}
.page-khuyen-mai__cta-inner{max-width:800px;margin:0 auto;text-align:center}
.page-khuyen-mai__cta-title{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800;color:#fff;margin:0 0 12px}
.page-khuyen-mai__cta-desc{font-size:1.1rem;color:#d0e8dc;line-height:1.6;margin:0 0 24px}
.page-khuyen-mai__cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
@media(max-width:768px){
.page-khuyen-mai__hero-image img{aspect-ratio:2/1}
.page-khuyen-mai__hero-actions{flex-direction:column;align-items:center}
.page-khuyen-mai__btn-register,.page-khuyen-mai__btn-login{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;text-align:center}
.page-khuyen-mai__promo-list,.page-khuyen-mai__steps-grid,.page-khuyen-mai__guide-content{grid-template-columns:1fr}
.page-khuyen-mai img{max-width:100%!important;height:auto!important}
.page-khuyen-mai__promo-meta{flex-direction:column;gap:12px;align-items:flex-start}
.page-khuyen-mai__cta-actions{flex-direction:column;align-items:center}
.page-khuyen-mai__cta-actions .page-khuyen-mai__btn-register,.page-khuyen-mai__cta-actions .page-khuyen-mai__btn-login{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;text-align:center}
}