.page-khuyen-mai{color:#333333;font-family:Arial,Helvetica,sans-serif;background-color:#F5F7FA}
.page-khuyen-mai__promo-banner{max-width:1340px;margin:0 auto;padding:12px 20px}
.page-khuyen-mai__banner-inner{display:flex;flex-direction:column;gap:24px;align-items:stretch;background:#FFFFFF;border-radius:20px;padding:20px;box-shadow:0 4px 20px rgba(0,0,0,.06);border:1px solid #E0E0E0}
.page-khuyen-mai__hero-content{order:2;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}
.page-khuyen-mai__hero-image{order:1;width:100%}
.page-khuyen-mai__hero-img{width:100%;height:auto;aspect-ratio:17/5;object-fit:cover;border-radius:12px;display:block}
.page-khuyen-mai__badge{display:inline-block;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#fff;padding:8px 20px;border-radius:999px;font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:1px}
.page-khuyen-mai__main-title{margin:0;font-weight:800;line-height:1.3;letter-spacing:-0.02em;max-width:800px;font-size:clamp(1.6rem,3vw,2.4rem);color:#333333}
.page-khuyen-mai__intro{margin:0;max-width:760px;line-height:1.6;color:#333333;font-size:16px}
.page-khuyen-mai__promo-list{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.page-khuyen-mai__promo-tag{background:#fdeef0;color:#E53935;padding:8px 16px;border-radius:999px;font-weight:700;font-size:14px;border:1px solid #FF5A4F}
.page-khuyen-mai__button-group{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:8px;width:100%;max-width:100%;overflow:hidden;box-sizing:border-box}
.page-khuyen-mai__button-group a{display:inline-block;padding:13px 32px;border-radius:999px;font-weight:700;text-decoration:none;transition:all .3s;font-size:15px;border:none;cursor:pointer;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;color:#fff;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%)}
.page-khuyen-mai__button-group .page-khuyen-mai__btn-outline{background:transparent;color:#E53935;border:2px solid #E53935}
.page-khuyen-mai__button-group a:hover{opacity:.9;transform:translateY(-2px)}
.page-khuyen-mai__benefits{padding:36px 20px 10px;max-width:1340px;margin:0 auto}
.page-khuyen-mai__benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.page-khuyen-mai__benefit-card{background:#FFFFFF;border-radius:16px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.06);border:1px solid #E0E0E0;display:flex;flex-direction:column;gap:14px;transition:transform .3s,box-shadow .3s}
.page-khuyen-mai__benefit-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(0,0,0,.1)}
.page-khuyen-mai__benefit-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;display:block;min-height:200px}
.page-khuyen-mai__benefit-title{margin:0;color:#333333;font-size:20px;font-weight:700}
.page-khuyen-mai__benefit-desc{margin:0;line-height:1.6;color:#333333;font-size:15px}
.page-khuyen-mai__event-section{padding:36px 20px 10px;max-width:1340px;margin:0 auto}
.page-khuyen-mai__section-title{margin:0 0 28px;text-align:center;color:#333333;font-size:clamp(1.4rem,3vw,2rem);font-weight:800;line-height:1.3}
.page-khuyen-mai__event-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.page-khuyen-mai__event-card{background:#FFFFFF;border-radius:16px;overflow:hidden;border:1px solid #E0E0E0;box-shadow:0 2px 12px rgba(0,0,0,.05);display:flex;flex-direction:column;transition:transform .3s}
.page-khuyen-mai__event-card:hover{transform:translateY(-4px)}
.page-khuyen-mai__event-img{width:100%;aspect-ratio:2/1;object-fit:cover;display:block;min-height:200px}
.page-khuyen-mai__event-info{padding:20px;display:flex;flex-direction:column;gap:10px}
.page-khuyen-mai__event-date{color:#E53935;font-weight:700;font-size:14px}
.page-khuyen-mai__event-title{margin:0;color:#333333;font-size:20px;font-weight:700;line-height:1.4}
.page-khuyen-mai__event-desc{margin:0;color:#333333;line-height:1.6;font-size:15px}
.page-khuyen-mai__promo-detail{padding:36px 20px 0;max-width:1340px;margin:0 auto}
.page-khuyen-mai__detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.page-khuyen-mai__detail-card{background:#FFFFFF;border-radius:16px;padding:28px 24px;border:1px solid #E0E0E0;box-shadow:0 2px 12px rgba(0,0,0,.05);display:flex;flex-direction:column;align-items:flex-start;gap:12px;position:relative;transition:transform .3s}
.page-khuyen-mai__detail-card:hover{transform:translateY(-4px)}
.page-khuyen-mai__detail-card_highlight{border:2px solid #E53935}
.page-khuyen-mai__detail-badge{display:inline-block;padding:6px 16px;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#fff;border-radius:999px;font-weight:700;font-size:13px;text-transform:uppercase}
.page-khuyen-mai__badge-hot{
  background:#FDE8E8;
  color:#E53935;
  border: 1px solid #FF5A4F;
}
.page-khuyen-mai__detail-title{margin:0;color:#333333;font-size:19px;font-weight:700;line-height:1.4}
.page-khuyen-mai__detail-desc{margin:0;color:#333333;line-height:1.6;font-size:15px}
.page-khuyen-mai__btn{display:inline-block;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#fff;padding:12px 28px;border-radius:999px;text-decoration:none;font-weight:700;font-size:15px;transition:all .3s;margin-top:auto;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}
.page-khuyen-mai__btn:hover{opacity:.9;transform:translateY(-2px)}
.page-khuyen-mai__guide-section{padding:36px 20px;max-width:1340px;margin:0 auto}
.page-khuyen-mai__guide-inner{background:#FFFFFF;border-radius:20px;padding:28px;border:1px solid #E0E0E0}
.page-khuyen-mai__guide-intro{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.page-khuyen-mai__guide-img{width:100%;max-width:800px;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:12px;display:block;margin:0 auto}
.page-khuyen-mai__text{margin:0;color:#333333;line-height:1.7;font-size:16px}
.page-khuyen-mai__guide-steps{display:flex;flex-direction:column;gap:20px}
.page-khuyen-mai__guide-step{display:flex;gap:16px;align-items:flex-start}
.page-khuyen-mai__step-circle{flex-shrink:0;width:48px;height:48px;border-radius:50%;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;box-shadow:0 4px 12px rgba(229,57,53,.3)}
.page-khuyen-mai__step-content h3{margin:0 0 6px;color:#333333;font-size:18px}
.page-khuyen-mai__step-content p{margin:0;color:#333333;line-height:1.6;font-size:15px}
.page-khuyen-mai__note{margin-top:24px;padding:16px 18px;background:#fdf4f5;border-left:4px solid #E53935;border-radius:8px;color:#333333;line-height:1.6;font-size:15px}
.page-khuyen-mai__rules-section{padding:0 20px 36px;max-width:940px;margin:0 auto}
.page-khuyen-mai__faq-grid{display:flex;flex-direction:column;gap:12px}
.page-khuyen-mai__faq-item{background:#FFFFFF;border:1px solid #E0E0E0;border-radius:12px;overflow:hidden;transition:box-shadow .3s}
.page-khuyen-mai__faq-item:hover{box-shadow:0 4px 16px rgba(0,0,0,.06)}
.page-khuyen-mai__faq-item[open]{box-shadow:0 4px 16px rgba(0,0,0,.08)}
.page-khuyen-mai__faq-question{margin:0;padding:18px 20px;font-weight:700;font-size:16px;color:#333333;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;list-style:none}
.page-khuyen-mai__faq-question::-webkit-details-marker{display:none}
.page-khuyen-mai__faq-toggle{color:#E53935;font-size:24px;font-weight:800;line-height:1}
.page-khuyen-mai__faq-answer{margin:0;padding:0px 20px 18px;color:#333333;line-height:1.7;font-size:15px}
.page-khuyen-mai__cta-section{padding:0 20px 60px;max-width:1340px;margin:0 auto}
.page-khuyen-mai__cta-content{background:linear-gradient(135deg,#FF5A4F,#E53935);border-radius:24px;text-align:center;padding:48px 24px;display:flex;flex-direction:column;align-items:center;gap:16px}
.page-khuyen-mai__cta-title{color:#FFFFFF;font-size:clamp(1.4rem,3vw,2rem);font-weight:800;margin:0;line-height:1.3;max-width:700px}
.page-khuyen-mai__cta-desc{color:#ffffff;font-size:16px;line-height:1.7;max-width:640px;margin:0}
.page-khuyen-mai__btn-cta{display:inline-block;background:#fff;color:#E53935;padding:14px 40px;border-radius:999px;font-weight:800;text-decoration:none;font-size:16px;transition:all .3s;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}
.page-khuyen-mai__btn-cta:hover{transform:scale(1.05)}
.page-khuyen-mai__cta-content .page-khuyen-mai__btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.page-khuyen-mai__cta-content .page-khuyen-mai__btn-outline:hover{background:rgba(255,255,255,.1)}
@media (max-width:1024px){
.page-khuyen-mai__benefits-grid{grid-template-columns:repeat(2,1fr)}
.page-khuyen-mai__event-grid{grid-template-columns:1fr 1fr}
.page-khuyen-mai__detail-grid{grid-template-columns:1fr 1fr}
.page-khuyen-mai__hero-image{order:1}
}
@media (max-width:768px){
.page-khuyen-mai__promo-banner{padding:10px 12px}
.page-khuyen-mai__banner-inner{padding:14px;gap:16px}
.page-khuyen-mai__hero-image{order:1}
.page-khuyen-mai__hero-img{aspect-ratio:2/1}
.page-khuyen-mai__benefits-grid{grid-template-columns:1fr 1fr;gap:14px}
.page-khuyen-mai__event-grid{grid-template-columns:1fr;gap:16px}
.page-khuyen-mai__detail-grid{grid-template-columns:1fr;gap:14px}
.page-khuyen-mai__guide-steps{gap:16px}
.page-khuyen-mai__guide-step{flex-direction:column;gap:10px}
.page-khuyen-mai__guide-step{flex-direction:row}
.page-khuyen-mai__benefit-card{padding:14px}
.page-khuyen-mai__event-info{padding:16px}
.page-khuyen-mai__detail-card{padding:20px}
.page-khuyen-mai__button-group{gap:10px;flex-direction:column;align-items:center}
.page-khuyen-mai__button-group a{width:auto;min-width:220px;text-align:center}
.page-khuyen-mai__button-group .page-khuyen-mai__btn-outline{width:auto}
.page-khuyen-mai__guide-inner{padding:20px}
.page-khuyen-mai__cta-content{padding:32px 16px}
.page-khuyen-mai__cta-content .page-khuyen-mai__button-group{width:100%}
.page-khuyen-mai__cta-content .page-khuyen-mai__button-group a{width:100%;max-width:100%}
.page-khuyen-mai__cta-content .page-khuyen-mai__btn-outline{width:100%;max-width:100%;box-sizing:border-box;align-items:center}
.page-khuyen-mai__benefits-grid .page-khuyen-mai__benefit-card:first-child{grid-column:1/-1}
.page-khuyen-mai img{max-width:100%!important;height:auto!important}
.page-khuyen-mai__section-title{font-size:1.5rem;line-height:1.3}
.page-khuyen-mai__promo-list{flex-direction:column;align-items:center}
.page-khuyen-mai__promo-tag{width:100%;text-align:center;box-sizing:border-box}
}
@media (max-width:480px){
.page-khuyen-mai__benefits-grid{grid-template-columns:1fr}
.page-khuyen-mai__benefits-grid .page-khuyen-mai__benefit-card:first-child{grid-column:auto}
.page-khuyen-mai__button-group a{width:100%;max-width:100%;box-sizing:border-box;text-align:center}
.page-khuyen-mai__button-group a.page-khuyen-mai__btn-outline{width:100%;max-width:100%;box-sizing:border-box;text-align:center}
}