.page-khuyen-mai{color:#1F2D3D;background:#F4F7FB;max-width:100%;overflow-x:hidden}
.page-khuyen-mai h1,.page-khuyen-mai h2,.page-khuyen-mai h3{color:#2F6BFF;margin:0 0 12px;line-height:1.3;font-weight:700}
.page-khuyen-mai p{color:#1F2D3D;line-height:1.7;margin:0 0 14px}
.page-khuyen-mai__section-inner{max-width:1200px;margin:0 auto;padding:0 16px}
.page-khuyen-mai__section-title{font-size:28px;margin-bottom:20px}
.page-khuyen-mai__text{font-size:16px}
.page-khuyen-mai__hero-section{padding-top:10px;margin-top:0;background:linear-gradient(180deg,#EAF1FF 0%,#F4F7FB 100%)}
.page-khuyen-mai__hero-image-wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.page-khuyen-mai__hero-image{width:100%;height:auto;display:block;border-radius:16px;box-shadow:0 8px 24px rgba(47,107,255,.18)}
.page-khuyen-mai__hero-content{max-width:900px;margin:0 auto;padding:24px 16px 8px;text-align:center}
.page-khuyen-mai__hero-eyebrow{display:inline-block;background:#D6E2FF;color:#2F6BFF;font-weight:700;font-size:14px;padding:6px 14px;border-radius:999px;margin-bottom:12px}
.page-khuyen-mai__hero-title{font-size:clamp(24px,4vw,38px);margin-bottom:14px}
.page-khuyen-mai__hero-desc{font-size:17px;max-width:820px;margin:0 auto 20px}
.page-khuyen-mai__hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.page-khuyen-mai__btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;text-decoration:none;text-align:center;font-size:16px;transition:transform .15s ease,box-shadow .15s ease;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}
.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#FFFFFF;box-shadow:0 6px 16px rgba(47,107,255,.3)}
.page-khuyen-mai__btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,107,255,.4)}
.page-khuyen-mai__btn--outline{background:#FFFFFF;color:#2F6BFF;border:2px solid #2F6BFF}
.page-khuyen-mai__btn--outline:hover{background:#EAF1FF}
.page-khuyen-mai__btn--light{background:#FFFFFF;color:#2F6BFF;box-shadow:0 6px 18px rgba(0,0,0,.2)}
.page-khuyen-mai__btn--ghost{background:#EAF1FF;color:#2F6BFF;border:2px solid #D6E2FF}
.page-khuyen-mai__btn--ghost:hover{background:#D6E2FF}
.page-khuyen-mai__highlight-section{padding:36px 0}
.page-khuyen-mai__highlight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.page-khuyen-mai__highlight-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:22px;box-shadow:0 4px 14px rgba(47,107,255,.08)}
.page-khuyen-mai__highlight-title{font-size:19px;margin-bottom:10px}
.page-khuyen-mai__highlight-text{font-size:15px;margin:0}
.page-khuyen-mai__intro-section{padding:16px 0 36px}
.page-khuyen-mai__promo-section{padding:0 0 36px}
.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:16px;overflow:hidden;box-shadow:0 6px 18px rgba(47,107,255,.1);display:flex;flex-direction:column}
.page-khuyen-mai__promo-img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/9}
.page-khuyen-mai__promo-body{padding:18px;display:flex;flex-direction:column;flex:1}
.page-khuyen-mai__promo-title{font-size:19px;margin-bottom:10px}
.page-khuyen-mai__promo-text{font-size:14px;margin-bottom:12px}
.page-khuyen-mai__promo-body .page-khuyen-mai__btn{margin-top:auto;align-self:flex-start}
.page-khuyen-mai__list-section{padding:16px 0 36px}
.page-khuyen-mai__steps{margin:0;padding:0;list-style:none;counter-reset:step}
.page-khuyen-mai__step{background:#FFFFFF;border:1px solid #D6E2FF;border-left:5px solid #2F6BFF;border-radius:12px;padding:18px 20px;margin-bottom:14px;counter-increment:step;position:relative}
.page-khuyen-mai__step-title{font-size:18px;margin-bottom:8px;padding-left:38px}
.page-khuyen-mai__step-title::before{content:counter(step);position:absolute;left:16px;top:18px;width:26px;height:26px;background:#2F6BFF;color:#FFFFFF;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.page-khuyen-mai__step-text{font-size:15px;margin:0;padding-left:38px}
.page-khuyen-mai__overlay-section{position:relative;overflow:hidden;min-height:300px;display:flex;align-items:center;justify-content:center;text-align:center;margin:16px 0}
.page-khuyen-mai__overlay-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;display:block}
.page-khuyen-mai__overlay-mask{position:absolute;inset:0;background:rgba(15,30,70,.62);z-index:1}
.page-khuyen-mai__overlay-content{position:relative;z-index:2;padding:32px 16px;max-width:800px}
.page-khuyen-mai__overlay-title{color:#FFFFFF;font-size:clamp(22px,3.5vw,32px);margin-bottom:12px}
.page-khuyen-mai__overlay-text{color:#EAF1FF;font-size:16px;margin-bottom:20px}
.page-khuyen-mai__tips-section{padding:36px 0}
.page-khuyen-mai__tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.page-khuyen-mai__tip{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;padding:20px}
.page-khuyen-mai__tip-title{font-size:17px;margin-bottom:8px}
.page-khuyen-mai__tip-text{font-size:14px;margin:0}
.page-khuyen-mai__posts-section{padding:16px 0 36px}
.page-khuyen-mai__posts-track{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;overflow:hidden}
.page-khuyen-mai__post-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;overflow:hidden;box-shadow:0 4px 12px rgba(47,107,255,.08);display:flex;flex-direction:column}
.page-khuyen-mai__post-link{text-decoration:none;color:inherit;display:block}
.page-khuyen-mai__post-img{width:100%;height:auto;display:block;object-fit:cover;aspect-ratio:16/9}
.page-khuyen-mai__post-title{font-size:15px;padding:12px 14px 0;margin:0;color:#2F6BFF}
.page-khuyen-mai__post-text{font-size:13px;padding:6px 14px 14px;margin:0;color:#1F2D3D}
.page-khuyen-mai__faq-section{padding:16px 0 36px}
.page-khuyen-mai__faq-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:10px;margin-bottom:10px;overflow:hidden}
.page-khuyen-mai__faq-question{width:100%;text-align:left;background:transparent;border:none;padding:16px 18px;font-size:16px;font-weight:700;color:#1F2D3D;cursor:pointer;position:relative;padding-right:44px}
.page-khuyen-mai__faq-question::after{content:'+';position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;color:#2F6BFF;font-weight:700}
.page-khuyen-mai__faq-question[aria-expanded="true"]::after{content:'–'}
.page-khuyen-mai__faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px}
.page-khuyen-mai__faq-answer p{font-size:15px;margin:0;padding:0 0 16px}
.page-khuyen-mai__faq-item.is-open .page-khuyen-mai__faq-answer{max-height:400px}
.page-khuyen-mai__cta-section{padding:36px 0 48px;background:linear-gradient(135deg,#2F6BFF 0%,#6FA3FF 100%);text-align:center}
.page-khuyen-mai__cta-title{color:#FFFFFF;font-size:clamp(22px,3.5vw,30px);margin-bottom:10px}
.page-khuyen-mai__cta-text{color:#EAF1FF;font-size:16px;max-width:720px;margin:0 auto 22px}
.page-khuyen-mai__cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.page-khuyen-mai__cta-section .page-khuyen-mai__btn--ghost{background:#FFFFFF;color:#2F6BFF;border-color:#FFFFFF}
@media (max-width:768px){
.page-khuyen-mai{overflow-x:hidden;max-width:100%}
.page-khuyen-mai img{max-width:100%!important;height:auto!important}
.page-khuyen-mai__section-title{font-size:22px}
.page-khuyen-mai__highlight-grid{grid-template-columns:1fr;gap:14px}
.page-khuyen-mai__promo-grid{grid-template-columns:1fr;gap:16px}
.page-khuyen-mai__posts-track{grid-template-columns:1fr;gap:14px}
.page-khuyen-mai__tips-grid{grid-template-columns:1fr;gap:14px}
.page-khuyen-mai__hero-actions{flex-direction:column;align-items:stretch}
.page-khuyen-mai__hero-actions .page-khuyen-mai__btn{width:100%}
.page-khuyen-mai__cta-actions{flex-direction:column;align-items:stretch}
.page-khuyen-mai__cta-actions .page-khuyen-mai__btn{width:100%}
.page-khuyen-mai__step-title,.page-khuyen-mai__step-text{padding-left:0}
.page-khuyen-mai__step-title::before{position:static;display:inline-flex;margin-right:8px;vertical-align:middle}
.page-khuyen-mai__overlay-content{padding:24px 16px}
}