.page-khuyen-mai{color:#F3F8FF;background-color:#08162B}
.page-khuyen-mai__hero-section{margin:0 auto}
.page-khuyen-mai__hero-image{width:100%;height:auto;aspect-ratio:1920/840;object-fit:cover;display:block;max-width:1920px;margin:0 auto}
.page-khuyen-mai__promo-grid{background:linear-gradient(180deg,#08162B 0%,#10233F 100%);padding:48px 20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;max-width:1280px;margin:0 auto}
.page-khuyen-mai__promo-card{background:#10233F;border:1px solid #244D84;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.3);transition:transform .3s ease,box-shadow .3s ease}
.page-khuyen-mai__promo-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(79,168,255,0.25)}
.page-khuyen-mai__promo-card--highlight{border-color:#4FA8FF;box-shadow:0 0 20px rgba(79,168,255,0.15)}
.page-khuyen-mai__promo-image-wrap{overflow:hidden}
.page-khuyen-mai__promo-image{width:100%;height:auto;min-width:200px;aspect-ratio:8/5;object-fit:cover;display:block;transition:transform .5s ease}
.page-khuyen-mai__promo-card:hover .page-khuyen-mai__promo-image{transform:scale(1.02)}
.page-khuyen-mai__promo-content{padding:28px}
.page-khuyen-mai__promo-tag{display:inline-block;background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#F3F8FF;padding:4px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase}
.page-khuyen-mai__promo-title{color:#F3F8FF;font-size:26px;line-height:1.3;font-weight:700;margin:16px 0 12px}
.page-khuyen-mai__promo-desc{color:#AFC4E8;font-size:16px;line-height:1.7;margin:0 0 20px}
.page-khuyen-mai__promo-link{display:inline-block;background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#F3F8FF;padding:12px 28px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;transition:filter .2s}
.page-khuyen-mai__promo-link:hover{filter:brightness(1.1)}
.page-khuyen-mai__partner-section{background:#0A1C37;padding:64px 20px;border-top:1px solid #244D84;border-bottom:1px solid #244D84}
.page-khuyen-mai__section-title{color:#F3F8FF;text-align:center;font-size:36px;font-weight:800;margin:0 0 12px;letter-spacing:0.5px;line-height:1.2}
.page-khuyen-mai__section-subtitle{color:#AFC4E8;text-align:center;max-width:800px;margin:0 auto 48px;font-size:17px}
.page-khuyen-mai__logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 24px;align-items:stretch;max-width:1200px;margin:0 auto;padding:0 20px}
.page-khuyen-mai__logo-item{background:#10233F;border:1px solid #244D84;border-radius:12px;padding:20px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:12px}
.page-khuyen-mai__logo-image{width:100%;height:auto;aspect-ratio:2/1;object-fit:contain;display:block;min-width:200px}
.page-khuyen-mai__logo-name{color:#AFC4E8;font-size:14px;text-align:center;margin:0}
.page-khuyen-mai__logo-item:nth-child(5){grid-column:2}
.page-khuyen-mai__logo-item:nth-child(6){grid-column:3}
.page-khuyen-mai__guide-section{background-color:#08162B;padding:40px 20px 80px}
.page-khuyen-mai__guide-inner{max-width:1000px;margin:0 auto}
.page-khuyen-mai__guide-title{font-size:32px;font-weight:800;text-align:center;color:#F3F8FF;margin:0 0 12px}
.page-khuyen-mai__guide-description{color:#AFC4E8;font-size:16px;text-align:center;max-width:700px;margin:0 auto 32px;line-height:1.7}
.page-khuyen-mai__guide-figure{margin:0 0 40px}
.page-khuyen-mai__guide-image{width:100%;max-width:800px;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;margin:0 auto;border-radius:16px;box-shadow:0 12px 32px rgba(0,0,0,0.4)}
.page-khuyen-mai__guide-steps{list-style:none;padding:0;margin:0 0 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.page-khuyen-mai__guide-step{background:#10233F;border:1px solid #244D84;border-radius:12px;padding:24px}
.page-khuyen-mai__guide-step-title{color:#F2C14E;font-size:18px;font-weight:700;margin:0 0 8px}
.page-khuyen-mai__guide-step p{color:#AFC4E8;font-size:15px;line-height:1.65;margin:0}
.page-khuyen-mai__guide-detail{margin-bottom:12px;background:#10233F;border:1px solid #244D84;border-radius:10px;line-height:1.6}
.page-khuyen-mai__guide-detail summary{cursor:pointer;padding:16px 20px;color:#F3F8FF;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.page-khuyen-mai__guide-detail[open] summary{border-bottom:1px solid #244D84}
.page-khuyen-mai__guide-detail p{padding:16px 20px;margin:0;color:#AFC4E8}
.page-khuyen-mai__faq-toggle{background:none;border:none;color:#F2C14E;font-size:24px;font-weight:700;cursor:pointer;line-height:1}
@media (max-width: 1024px){
.page-khuyen-mai__promo-grid{grid-template-columns:1fr;max-width:800px;padding:40px 16px}
.page-khuyen-mai__logo-grid{grid-template-columns:repeat(3,1fr)}
.page-khuyen-mai__logo-item:nth-child(4){grid-column:2}
.page-khuyen-mai__logo-item:nth-child(5){grid-column:auto}
.page-khuyen-mai__logo-item:nth-child(6){grid-column:auto}
.page-khuyen-mai__guide-steps{grid-template-columns:1fr;max-width:600px;margin-left:auto;margin-right:auto}
}
@media (max-width: 768px){
.page-khuyen-mai__hero-image{min-height:auto;max-width:100%;height:auto}
.page-khuyen-mai__promo-content{padding:20px}
.page-khuyen-mai__promo-title{font-size:22px}
.page-khuyen-mai__promo-desc{font-size:15px}
.page-khuyen-mai__promo-link{max-width:100%;box-sizing:border-box;text-align:center}
.page-khuyen-mai__section-title{font-size:28px}
.page-khuyen-mai__section-subtitle{font-size:15px;padding:0 10px}
.page-khuyen-mai__logo-grid{grid-template-columns:repeat(2,1fr);padding:0 12px;gap:16px}
.page-khuyen-mai__logo-item{max-width:100%;box-sizing:border-box}
.page-khuyen-mai__logo-image{max-width:100%!important;height:auto!important}
.page-khuyen-mai__logo-item:nth-child(4),.page-khuyen-mai__logo-item:nth-child(5),.page-khuyen-mai__logo-item:nth-child(6){grid-column:auto}
.page-khuyen-mai__guide-title{font-size:26px}
.page-khuyen-mai__guide-figure{margin-bottom:24px}
.page-khuyen-mai__guide-image{max-width:100%;height:auto}
.page-khuyen-mai__guide-step{padding:20px}
.page-khuyen-mai__guide-steps{grid-template-columns:1fr;gap:16px;margin-bottom:24px}
.page-khuyen-mai img{max-width:100%;height:auto}
.page-khuyen-mai__promo-grid,.page-khuyen-mai__partner-section,.page-khuyen-mai__guide-section{overflow:hidden;max-width:100%}
.page-khuyen-mai__promo-card{max-width:100%;box-sizing:border-box}
.page-khuyen-mai__guide-detail summary,.page-khuyen-mai__guide-detail p{word-break:break-word}
}