.page-khuyen-mai{background:#F4F7FB;color:#1F2D3D;font-family:Arial,Helvetica,sans-serif;line-height:1.65}
.page-khuyen-mai img{display:block;max-width:100%;height:auto}
.page-khuyen-mai__hero-section{width:100%;overflow:hidden;padding:10px 0 0;margin:0}
.page-khuyen-mai__hero-image-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;box-sizing:border-box}
.page-khuyen-mai__hero-image{width:100%;height:auto;border-radius:16px;object-fit:cover;box-shadow:0 8px 24px rgba(47,107,255,0.18)}
.page-khuyen-mai__hero-content{max-width:1100px;width:100%;margin:20px auto 0;padding:0 16px;box-sizing:border-box;display:flex;flex-direction:column;align-items:flex-start}
.page-khuyen-mai__hero-title{font-weight:800;line-height:1.25;color:#2F6BFF;margin:0 0 12px;max-width:900px;letter-spacing:0.2px}
.page-khuyen-mai__hero-desc{color:#1F2D3D;font-size:17px;margin:0 0 18px;max-width:820px}
.page-khuyen-mai__hero-actions{display:flex;flex-wrap:wrap;gap:12px;width:100%}
.page-khuyen-mai__btn{display:inline-block;padding:13px 24px;border-radius:10px;text-decoration:none;font-weight:700;font-size:15px;text-align:center;transition:transform .2s ease,box-shadow .2s ease;box-sizing:border-box;max-width:100%;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(47,107,255,0.35)}
.page-khuyen-mai__btn--secondary{background:#FFFFFF;color:#2F6BFF;border:1px solid #D6E2FF}
.page-khuyen-mai__btn--outline{background:#FFFFFF;color:#2F6BFF;border:2px solid #2F6BFF}
.page-khuyen-mai__btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(47,107,255,0.3)}
.page-khuyen-mai__intro-section,.page-khuyen-mai__overview-section,.page-khuyen-mai__advantages-section,.page-khuyen-mai__games-section,.page-khuyen-mai__guide-section,.page-khuyen-mai__promo-section,.page-khuyen-mai__app-section,.page-khuyen-mai__tips-section,.page-khuyen-mai__faq-section,.page-khuyen-mai__blog-section,.page-khuyen-mai__cta-section{max-width:1100px;margin:0 auto;padding:32px 16px;box-sizing:border-box}
.page-khuyen-mai__section-title{color:#2F6BFF;font-size:26px;font-weight:800;margin:0 0 18px;line-height:1.3}
.page-khuyen-mai__text{color:#1F2D3D;font-size:16px;margin:0 0 14px}
.page-khuyen-mai__inline-link{color:#2F6BFF;font-weight:700;text-decoration:underline}
.page-khuyen-mai__table-wrap{width:100%;overflow-x:auto;margin-bottom:16px;border-radius:12px;border:1px solid #D6E2FF;background:#FFFFFF}
.page-khuyen-mai__overview-table{width:100%;border-collapse:collapse;min-width:640px}
.page-khuyen-mai__overview-table th{background:#2F6BFF;color:#FFFFFF;padding:12px;text-align:left;font-size:15px}
.page-khuyen-mai__overview-table td{border-top:1px solid #D6E2FF;padding:12px;font-size:15px;color:#1F2D3D;vertical-align:top}
.page-khuyen-mai__overview-table tr:nth-child(even) td{background:#F4F7FB}
.page-khuyen-mai__advantages-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.page-khuyen-mai__advantage-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;overflow:hidden;padding-bottom:18px;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__card-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.page-khuyen-mai__card-title{color:#2F6BFF;font-size:19px;font-weight:800;margin:16px 18px 8px}
.page-khuyen-mai__card-text{color:#1F2D3D;font-size:15px;margin:0 18px}
.page-khuyen-mai__games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.page-khuyen-mai__game-card{display:block;background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;overflow:hidden;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__game-card:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(47,107,255,0.2)}
.page-khuyen-mai__game-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.page-khuyen-mai__game-title{color:#2F6BFF;font-size:18px;font-weight:800;margin:14px 16px 6px}
.page-khuyen-mai__game-text{color:#1F2D3D;font-size:14px;margin:0 16px 16px}
.page-khuyen-mai__guide-steps{display:flex;flex-direction:column;gap:16px}
.page-khuyen-mai__step{display:flex;gap:16px;background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:18px;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#FFFFFF;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center}
.page-khuyen-mai__step-content{flex:1}
.page-khuyen-mai__step-title{color:#2F6BFF;font-size:18px;font-weight:800;margin:0 0 8px}
.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:16px}
.page-khuyen-mai__promo-card{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;padding:20px;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__list{margin:0;padding-left:20px;color:#1F2D3D;font-size:15px}
.page-khuyen-mai__list li{margin-bottom:8px}
.page-khuyen-mai__app-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;background:#FFFFFF;border:1px solid #D6E2FF;border-radius:16px;padding:20px;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__app-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.page-khuyen-mai__app-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.page-khuyen-mai__tips-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.page-khuyen-mai__tip-item{background:#FFFFFF;border-left:4px solid #2F6BFF;border-radius:10px;padding:16px 18px;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__tip-title{color:#2F6BFF;font-size:17px;font-weight:800;margin:0 0 8px}
.page-khuyen-mai__faq-list{display:flex;flex-direction:column;gap:12px}
.page-khuyen-mai__faq-item{background:#FFFFFF;border:1px solid #D6E2FF;border-radius:12px;overflow:hidden}
.page-khuyen-mai__faq-question{width:100%;text-align:left;background:#FFFFFF;border:none;padding:16px 18px;font-size:16px;font-weight:700;color:#2F6BFF;cursor:pointer;position:relative;padding-right:48px}
.page-khuyen-mai__faq-question::after{content:'+';position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;color:#2F6BFF;font-weight:800}
.page-khuyen-mai__faq-item--open .page-khuyen-mai__faq-question::after{content:'–'}
.page-khuyen-mai__faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px}
.page-khuyen-mai__faq-item--open .page-khuyen-mai__faq-answer{max-height:400px;padding:0 18px 16px}
.page-khuyen-mai__faq-answer p{margin:0;color:#1F2D3D;font-size:15px}
.page-khuyen-mai__blog-controls{display:flex;gap:10px;justify-content:flex-end;margin-bottom:14px}
.page-khuyen-mai__blog-prev,.page-khuyen-mai__blog-next{width:44px;height:44px;border-radius:50%;border:1px solid #D6E2FF;background:#FFFFFF;color:#2F6BFF;font-size:22px;font-weight:800;cursor:pointer;line-height:1}
.page-khuyen-mai__blog-track{display:flex;gap:18px;overflow-x:auto;scroll-behavior:smooth;padding-bottom:8px}
.page-khuyen-mai__blog-card{flex:0 0 calc(33.333% - 12px);background:#FFFFFF;border:1px solid #D6E2FF;border-radius:14px;overflow:hidden;box-shadow:0 4px 14px rgba(47,107,255,0.08)}
.page-khuyen-mai__blog-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.page-khuyen-mai__blog-title{font-size:17px;font-weight:800;margin:14px 16px 8px;line-height:1.4}
.page-khuyen-mai__blog-link{color:#2F6BFF;text-decoration:none}
.page-khuyen-mai__blog-text{color:#1F2D3D;font-size:14px;margin:0 16px 16px}
.page-khuyen-mai__cta-section{background:linear-gradient(135deg,#2F6BFF 0%,#6FA3FF 100%);border-radius:20px;max-width:1100px;margin:20px auto 40px;color:#FFFFFF}
.page-khuyen-mai__cta-title{color:#FFFFFF;font-size:26px;font-weight:800;margin:0 0 12px}
.page-khuyen-mai__cta-text{color:#FFFFFF;font-size:16px;margin:0 0 20px;max-width:760px}
.page-khuyen-mai__cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.page-khuyen-mai__cta-section .page-khuyen-mai__btn--primary{background:#FFFFFF;color:#2F6BFF;box-shadow:0 6px 16px rgba(0,0,0,0.18)}
.page-khuyen-mai__cta-section .page-khuyen-mai__btn--outline{background:transparent;color:#FFFFFF;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__hero-image-wrap{padding:0 12px}
.page-khuyen-mai__hero-content{padding:0 12px;margin-top:16px}
.page-khuyen-mai__hero-title{font-size:clamp(22px,6vw,30px)}
.page-khuyen-mai__hero-desc{font-size:15px}
.page-khuyen-mai__hero-actions{flex-direction:column;width:100%}
.page-khuyen-mai__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}
.page-khuyen-mai__advantages-grid{grid-template-columns:1fr}
.page-khuyen-mai__games-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.page-khuyen-mai__promo-grid{grid-template-columns:1fr}
.page-khuyen-mai__app-layout{grid-template-columns:1fr}
.page-khuyen-mai__tips-list{grid-template-columns:1fr}
.page-khuyen-mai__blog-card{flex:0 0 100%}
.page-khuyen-mai__cta-section{margin:16px 12px 32px;padding:28px 18px}
.page-khuyen-mai__cta-title{font-size:22px}
.page-khuyen-mai__cta-actions{flex-direction:column;width:100%}
.page-khuyen-mai__section-title{font-size:22px}
.page-khuyen-mai__step{flex-direction:column}
}