.page-khuyen-mai{max-width:100%;overflow-x:hidden;color:#F3F8FF;background:linear-gradient(180deg,#08162B 0%,#10233F 100%);font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;}
.page-khuyen-mai__hero-section{background:linear-gradient(135deg,#08162B 0%,#113B7A 100%);padding:14px 20px 30px;max-width:100%;}
.page-khuyen-mai__hero-image{width:100%;max-width:1200px;margin:0 auto 18px;}
.page-khuyen-mai__hero-img{width:100%;height:auto;aspect-ratio:17/5;object-fit:cover;border-radius:16px;display:block;box-shadow:0 10px 30px rgba(0,0,0,0.35);}
.page-khuyen-mai__hero-content{max-width:900px;margin:0 auto;text-align:center;}
.page-khuyen-mai__main-title{color:#F3F8FF;font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;line-height:1.4;letter-spacing:0.3px;margin:0 0 14px;text-shadow:0 2px 10px rgba(0,0,0,0.6);max-width:900px;}
.page-khuyen-mai__hero-desc{color:#AFC4E8;font-size:1.05rem;line-height:1.7;max-width:750px;margin:0 auto 22px;}
.page-khuyen-mai__hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;width:100%;max-width:100%;overflow:hidden;box-sizing:border-box;}
.page-khuyen-mai__cta-btn{display:inline-block;padding:14px 38px;border-radius:999px;background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#ffffff;font-weight:700;font-size:1.1rem;text-decoration:none;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(43,115,246,0.35);transition:transform 0.2s ease,box-shadow 0.2s ease;max-width:100%;box-sizing:border-box;white-space:normal;}
.page-khuyen-mai__cta-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(43,115,246,0.5);}
.page-khuyen-mai__logo-grid-section{background:linear-gradient(180deg,#0B1D3A 0%,#08162B 100%);padding:34px 20px;}
.page-khuyen-mai__logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px 18px;justify-items:center;max-width:1200px;margin:0 auto;padding:0;}
.page-khuyen-mai__logo-item{display:flex;flex-direction:column;align-items:center;gap:14px;background:#10233F;border:1px solid #244D84;border-radius:14px;padding:18px 14px;transition:transform 0.2s ease,box-shadow 0.2s ease;width:100%;max-width:320px;box-sizing:border-box;}
.page-khuyen-mai__logo-item:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(79,168,255,0.2);}
.page-khuyen-mai__logo-image{width:100%;aspect-ratio:2/1;object-fit:contain;border-radius:8px;min-width:200px;}
.page-khuyen-mai__logo-cta{display:inline-block;padding:10px 28px;border-radius:999px;background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#fff;font-weight:600;text-decoration:none;border:none;cursor:pointer;box-shadow:0 3px 12px rgba(43,115,246,0.3);transition:opacity 0.2s;max-width:100%;box-sizing:border-box;white-space:normal;}
.page-khuyen-mai__logo-cta:hover{opacity:0.9;}
.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:linear-gradient(180deg,#10233F 0%,#0B1D3A 100%);padding:36px 20px 10px;}
.page-khuyen-mai__guide-inner{max-width:1100px;margin:0 auto;padding:0;}
.page-khuyen-mai__guide-title{text-align:center;color:#F2C14E;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.3;margin:0 0 14px;letter-spacing:0.3px;}
.page-khuyen-mai__guide-intro{color:#AFC4E8;text-align:center;max-width:800px;font-size:1.05rem;line-height:1.7;margin:0 auto 24px;}
.page-khuyen-mai__guide-list{display:flex;flex-direction:column;gap:28px;margin:0 0 28px;}
.page-khuyen-mai__guide-item{display:flex;flex-direction:row;gap:22px;background:#10233F;border:1px solid #244D84;border-radius:16px;padding:20px;align-items:flex-start;}
.page-khuyen-mai__guide-figure{flex:1 1 45%;max-width:45%;}
.page-khuyen-mai__guide-img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:12px;display:block;min-width:200px;}
.page-khuyen-mai__guide-content{flex:1 1 55%;max-width:55%;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.page-khuyen-mai__guide-name{color:#F3F8FF;font-size:1.15rem;font-weight:700;line-height:1.5;margin:0;}
.page-khuyen-mai__guide-content p{color:#AFC4E8;line-height:1.75;font-size:0.98rem;margin:0;}
.page-khuyen-mai__guide-btn{display:inline-block;padding:10px 26px;border-radius:999px;background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#fff;font-weight:600;text-decoration:none;border:none;cursor:pointer;box-shadow:0 3px 12px rgba(43,115,246,0.3);transition:opacity 0.2s;max-width:100%;box-sizing:border-box;white-space:normal;}
.page-khuyen-mai__guide-btn:hover{opacity:0.92;}
.page-khuyen-mai__faq-section{background:#08162B;padding:36px 20px 50px;}
.page-khuyen-mai__faq-inner{max-width:850px;margin:0 auto;padding:0;}
.page-khuyen-mai__faq-title{color:#F3F8FF;text-align:center;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.4;margin-bottom:28px;}
.page-khuyen-mai__faq-item{background:#10233F;border:1px solid #244D84;border-radius:12px;padding:16px 20px;margin-bottom:14px;}
.page-khuyen-mai__faq-item summary{color:#F3F8FF;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:1.02rem;}
.page-khuyen-mai__faq-item summary::-webkit-details-marker{display:none;}
.page-khuyen-mai__faq-item[open] summary{border-bottom:1px solid #1B3357;padding-bottom:14px;margin-bottom:14px;}
.page-khuyen-mai__faq-content{color:#AFC4E8;line-height:1.8;padding:8px 0 6px;font-size:0.98rem;}
@media (max-width: 1024px){
  .page-khuyen-mai__logo-grid{grid-template-columns:repeat(3,1fr);}
  .page-khuyen-mai__logo-item:nth-child(5){grid-column:auto;}
  .page-khuyen-mai__logo-item:nth-child(6){grid-column:auto;}
}
@media (max-width: 768px){
  .page-khuyen-mai{overflow-x:hidden;max-width:100%;}
  .page-khuyen-mai__hero-section{padding-top:10px;}
  .page-khuyen-mai__hero-image{margin-bottom:16px;}
  .page-khuyen-mai__hero-img{aspect-ratio:2/1;width:100%;height:auto;}
  .page-khuyen-mai__main-title{width:100%;max-width:100%;font-size:clamp(1.3rem,5vw,1.7rem);}
  .page-khuyen-mai__hero-desc{font-size:0.98rem;}
  .page-khuyen-mai__hero-cta{flex-direction:column;align-items:center;}
  .page-khuyen-mai__cta-btn{width:100%;max-width:100%;box-sizing:border-box;text-align:center;white-space:normal;}
  .page-khuyen-mai__logo-grid-section{padding:26px 14px;}
  .page-khuyen-mai__logo-grid{grid-template-columns:repeat(2,1fr);gap:16px 12px;}
  .page-khuyen-mai__logo-item{padding:12px 8px;}
  .page-khuyen-mai__logo-item:nth-child(5),.page-khuyen-mai__logo-item:nth-child(6){grid-column:auto;}
  .page-khuyen-mai__logo-cta{width:100%;max-width:100%;box-sizing:border-box;text-align:center;white-space:normal;padding:10px 14px;display:block;}
  .page-khuyen-mai__guide-inner{padding:12px;}
  .page-khuyen-mai__guide-list{gap:18px;}
  .page-khuyen-mai__guide-item{flex-direction:column;gap:14px;align-items:center;}
  .page-khuyen-mai__guide-figure{width:100%;max-width:100%;flex:1 1 auto;}
  .page-khuyen-mai__guide-img{width:100%;max-width:100%;aspect-ratio:16/9;height:auto;}
  .page-khuyen-mai__guide-content{width:100%;max-width:100%;align-items:center;text-align:center;}
  .page-khuyen-mai__guide-btn{width:100%;max-width:100%;box-sizing:border-box;text-align:center;white-space:normal;padding:10px 16px;}
  .page-khuyen-mai__faq-section{padding-left:14px;padding-right:14px;}
  .page-khuyen-mai__faq-inner{max-width:100%;}
  .page-khuyen-mai__faq-item{padding:12px 14px;}
  .page-khuyen-mai__faq-item summary{font-size:0.98rem;}
  .page-khuyen-mai__faq-content{font-size:0.95rem;}
  .page-khuyen-mai img{max-width:100% !important;height:auto !important;}
}