.page-khuyen-mai{background:#0A0A0A;color:#FFF6D6;min-height:100vh;font-family:Arial,'Helvetica Neue',Helvetica,sans-serif;line-height:1.6;overflow-x:hidden}
.page-khuyen-mai__hero-section{display:flex;flex-direction:column;align-items:center;padding:0;margin:0;width:100%;box-sizing:border-box}
.page-khuyen-mai__hero-image-wrapper{width:100%;max-width:1200px;margin:0 auto}
.page-khuyen-mai__hero-image{display:block;width:100%;height:auto;aspect-ratio:21/9;object-fit:cover}
.page-khuyen-mai__hero-content{width:100%;max-width:800px;text-align:center;padding:12px 16px 24px;box-sizing:border-box}
.page-khuyen-mai__hero-title{color:#FFF6D6;font-size:clamp(1.2rem,2.5vw,1.8rem);font-weight:800;line-height:1.3;letter-spacing:.5px;margin:0 0 8px;max-width:700px;margin-left:auto;margin-right:auto;text-shadow:0 0 10px rgba(255,211,107,.3)}
.page-khuyen-mai__hero-subtitle{color:#F2C14E;font-size:1rem;max-width:650px;margin:0 auto 16px;opacity:.95}
.page-khuyen-mai__hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.page-khuyen-mai__btn{border:none;cursor:pointer;padding:12px 28px;border-radius:8px;font-weight:700;font-size:1rem;text-decoration:none;display:inline-block;text-align:center;transition:transform .2s,box-shadow .2s;box-shadow:0 2px 8px rgba(0,0,0,.15);min-width:140px;box-sizing:border-box}
.page-khuyen-mai__btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,211,107,.3)}
.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#FFD86A 0%,#DDA11D 100%);color:#111;border:1px solid #3A2A12;box-shadow:0 0 12px rgba(255,211,107,.25)}
.page-khuyen-mai__btn--secondary{background:transparent;color:#fff;border:2px solid #F2C14E;box-shadow:none}
.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;padding:20px 16px;max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box}
.page-khuyen-mai__promo-card{background:#111111;border:1px solid #3A2A12;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 6px rgba(0,0,0,.3);display:flex;flex-direction:column;width:100%}
.page-khuyen-mai__promo-card:hover{transform:translateY(-4px);box-shadow:0 30px 20px -10px rgba(0,0,0,.6);border-color:#F2C14E}
.page-khuyen-mai__promo-image{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.page-khuyen-mai__promo-info{padding:16px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;flex:1}
.page-khuyen-mai__promo-title{color:#FFF6D6;font-size:1.2rem;font-weight:700;margin:0;line-height:1.3}
.page-khuyen-mai__promo-desc{color:#D0DDE7;font-size:.9rem;margin:0;opacity:.9;line-height:1.5}
.page-khuyen-mai__promo-link{display:inline-block;background:linear-gradient(180deg,#FFD86A 0%,#DDA11D 100%);color:#111;padding:10px 20px;border-radius:6px;text-decoration:none;font-weight:600;font-size:.9rem;margin-top:auto;transition:opacity .3s;border:1px solid #3A2A12;box-shadow:0 0 8px rgba(255,211,107,.2)}
.page-khuyen-mai__promo-link:hover{opacity:.9}
.page-khuyen-mai__guide-section{max-width:1200px;margin:24px auto;padding:16px;width:100%;box-sizing:border-box}
.page-khuyen-mai__guide-title{text-align:center;color:#FFF6D6;font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:800;margin:0 0 16px;text-shadow:0 0 8px rgba(255,211,107,.2)}
.page-khuyen-mai__guide-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;width:100%}
.page-khuyen-mai__guide-step{background:#111;border:1px solid #3A2A12;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;width:100%}
.page-khuyen-mai__guide-image{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.page-khuyen-mai__guide-step-title{color:#F2C14E;font-size:1rem;font-weight:700;margin:12px 16px 4px}
.page-khuyen-mai__guide-step-desc{color:#D0DDE7;font-size:.85rem;margin:0 16px 16px;line-height:1.5}
.page-khuyen-mai__faq-section{max-width:800px;margin:16px auto 32px;padding:16px;width:100%;box-sizing:border-box}
.page-khuyen-mai__faq-title{text-align:center;color:#FFF6D6;font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:800;margin:0 0 16px}
.page-khuyen-mai__faq-item{background:#111;border:1px solid #3A2A12;border-radius:8px;padding:0 16px;margin-bottom:10px;transition:border-color .3s}
.page-khuyen-mai__faq-item[open]{border-color:#F2C14E}
.page-khuyen-mai__faq-question{font-family:Arial,'Helvetica Neue',Helvetica,sans-serif;font-size:1rem;font-weight:600;color:#FFF6D6;padding:12px 0;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px}
.page-khuyen-mai__faq-question::-webkit-details-marker{display:none}
.page-khuyen-mai__faq-toggle{color:#F2C14E;font-size:1.2rem;font-weight:700;flex-shrink:0}
.page-khuyen-mai__faq-answer{padding:0 0 12px;color:#D0DDE7;font-size:.9rem;line-height:1.6}
@media (max-width:768px){
.page-khuyen-mai__hero-image{aspect-ratio:16/9}
.page-khuyen-mai__hero-content{padding:8px 12px 16px}
.page-khuyen-mai__hero-subtitle{font-size:.9rem}
.page-khuyen-mai__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;min-width:0;padding:12px 16px;font-size:.95rem}
.page-khuyen-mai__hero-actions{flex-direction:column;gap:8px;width:100%}
.page-khuyen-mai__promo-grid,.page-khuyen-mai__guide-steps{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px;padding:16px 12px}
.page-khuyen-mai__promo-card,.page-khuyen-mai__guide-step,.page-khuyen-mai__faq-item{width:100%}
.page-khuyen-mai img{max-width:100%!important;height:auto!important}
.page-khuyen-mai{overflow-x:hidden}
.page-khuyen-mai__promo-link{width:100%;text-align:center;box-sizing:border-box}
}