.page-khuyen-mai{color:#1F2D3D;background:#F4F7FB;}
.page-khuyen-mai h1,.page-khuyen-mai h2,.page-khuyen-mai h3{color:#2F6BFF;margin:0 0 12px;line-height:1.3;}
.page-khuyen-mai p{color:#1F2D3D;line-height:1.7;margin:0 0 12px;}
.page-khuyen-mai a{text-decoration:none;}
.page-khuyen-mai__btn{display:inline-block;padding:12px 24px;border-radius:8px;font-weight:600;text-align:center;transition:opacity .2s ease;box-sizing:border-box;}
.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#FFFFFF;border:1px solid #2F6BFF;box-shadow:0 4px 12px rgba(165,196,255,.6);}
.page-khuyen-mai__btn--outline{background:#FFFFFF;color:#2F6BFF;border:1px solid #D6E2FF;}
.page-khuyen-mai__btn:hover{opacity:.9;}
.page-khuyen-mai__hero-section{width:100%;padding-top:10px;margin-top:0;overflow:hidden;background:#F4F7FB;}
.page-khuyen-mai__hero-slider{position:relative;width:100%;max-width:1200px;margin:0 auto;}
.page-khuyen-mai__hero-slide{display:none;width:100%;}
.page-khuyen-mai__hero-slide.is-active{display:block;}
.page-khuyen-mai__hero-image{width:100%;height:auto;display:block;border-radius:12px;}
.page-khuyen-mai__hero-content{max-width:1200px;width:100%;margin:0 auto;padding:20px 16px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;box-sizing:border-box;}
.page-khuyen-mai__main-title{font-weight:700;letter-spacing:.5px;line-height:1.35;max-width:900px;margin:0;}
.page-khuyen-mai__hero-desc{max-width:820px;color:#1F2D3D;}
.page-khuyen-mai__hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;width:100%;}
.page-khuyen-mai__hero-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:8px;}
.page-khuyen-mai__hero-prev,.page-khuyen-mai__hero-next{background:#FFFFFF;border:1px solid #D6E2FF;color:#2F6BFF;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:16px;box-sizing:border-box;}
.page-khuyen-mai__hero-dots{display:flex;gap:8px;}
.page-khuyen-mai__hero-dot{width:10px;height:10px;border-radius:50%;background:#D6E2FF;display:inline-block;}
.page-khuyen-mai__hero-dot.is-active{background:#2F6BFF;}
.page-khuyen-mai__banner-section{max-width:1200px;margin:16px auto;padding:0 16px;box-sizing:border-box;}
.page-khuyen-mai__banner-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.page-khuyen-mai__thumb-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;display:block;border-radius:10px;border:1px solid #D6E2FF;}
.page-khuyen-mai__intro-section,.page-khuyen-mai__posts-section,.page-khuyen-mai__promo-section,.page-khuyen-mai__list-section,.page-khuyen-mai__faq-section{max-width:1200px;margin:0 auto;padding:28px 16px;box-sizing:border-box;}
.page-khuyen-mai__section-title{text-align:center;margin-bottom:20px;}
.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.page-khuyen-mai__promo-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;box-shadow:0 4px 14px rgba(47,107,255,.08);}
.page-khuyen-mai__promo-image{width:100%;height:auto;border-radius:10px;display:block;}
.page-khuyen-mai__promo-title{font-weight:700;color:#2F6BFF;}
.page-khuyen-mai__posts-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.page-khuyen-mai__post-card{flex:0 0 calc(25% - 12px);background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;overflow:hidden;scroll-snap-align:start;display:flex;flex-direction:column;}
.page-khuyen-mai__post-image{width:100%;height:auto;display:block;}
.page-khuyen-mai__post-title{padding:12px 12px 0;font-weight:600;}
.page-khuyen-mai__post-title a{color:#2F6BFF;}
.page-khuyen-mai__post-card p{padding:0 12px 12px;font-size:14px;}
.page-khuyen-mai__posts-footer{text-align:center;margin-top:20px;}
.page-khuyen-mai__list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.page-khuyen-mai__list-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;box-shadow:0 4px 14px rgba(47,107,255,.08);}
.page-khuyen-mai__list-image{width:100%;height:auto;border-radius:10px;display:block;}
.page-khuyen-mai__list-item h3{font-weight:700;}
.page-khuyen-mai__link{color:#2F6BFF;font-weight:600;text-decoration:underline;}
.page-khuyen-mai__overlay-section{width:100%;position:relative;overflow:hidden;min-height:280px;display:flex;align-items:center;justify-content:center;text-align:center;}
.page-khuyen-mai__overlay-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.page-khuyen-mai__overlay-mask{position:absolute;inset:0;background:rgba(15,30,60,.65);z-index:1;}
.page-khuyen-mai__overlay-content{position:relative;z-index:2;padding:28px 16px;max-width:900px;display:flex;flex-direction:column;align-items:center;gap:12px;}
.page-khuyen-mai__overlay-title{color:#FFFFFF;}
.page-khuyen-mai__overlay-content p{color:#F4F7FB;}
.page-khuyen-mai__faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.page-khuyen-mai__faq-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:10px;overflow:hidden;}
.page-khuyen-mai__faq-question{width:100%;text-align:left;background:#FFFFFF;border:none;padding:16px;font-weight:600;color:#1F2D3D;cursor:pointer;font-size:16px;box-sizing:border-box;}
.page-khuyen-mai__faq-answer{display:none;padding:0 16px 16px;}
.page-khuyen-mai__faq-item.is-open .page-khuyen-mai__faq-answer{display:block;}
.page-khuyen-mai__cta-section{max-width:1200px;margin:0 auto;padding:32px 16px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;gap:16px;}
.page-khuyen-mai__cta-image{width:100%;height:auto;border-radius:12px;display:block;}
.page-khuyen-mai__cta-content{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;max-width:820px;}
.page-khuyen-mai__cta-title{margin:0;}
.page-khuyen-mai__cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;width:100%;}
@media (max-width:768px){
.page-khuyen-mai{max-width:100%;overflow-x:hidden;}
.page-khuyen-mai img{max-width:100%!important;height:auto!important;}
.page-khuyen-mai__banner-thumbs{grid-template-columns:repeat(2,1fr);}
.page-khuyen-mai__post-card{flex-basis:85%;}
.page-khuyen-mai__promo-grid{grid-template-columns:1fr;}
.page-khuyen-mai__list-grid{grid-template-columns:1fr;}
.page-khuyen-mai__hero-actions,.page-khuyen-mai__cta-actions{flex-direction:column;align-items:stretch;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__hero-content{padding:16px 12px;}
.page-khuyen-mai__overlay-section{min-height:220px;}
}