.page-khuyen-mai__hero-section{background-color:#08162B;color:#F3F8FF;padding-top:10px;padding-bottom:10px}
.page-khuyen-mai__hero-image-wrap{max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px}
.page-khuyen-mai__hero-image{display:block;width:100%;height:auto;aspect-ratio:16/5;object-fit:cover;border-radius:18px;border:1px solid #244D84;box-shadow:0 20px 50px rgba(79,168,255,0.15)}
.page-khuyen-mai__hero-content{max-width:1280px;margin:0 auto;padding:32px 16px 10px;text-align:center}
.page-khuyen-mai__main-title{color:#F3F8FF;font-weight:800;line-height:1.25;letter-spacing:-0.02em;max-width:920px;margin:0 auto 18px;font-size:clamp(1.6rem,4vw,2.8rem)}
.page-khuyen-mai__hero-desc{color:#AFC4E8;font-size:1rem;line-height:1.7;max-width:800px;margin:0 auto 30px}
.page-khuyen-mai__hero-cta-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.page-khuyen-mai__btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:999px;font-weight:700;border:none;cursor:pointer;min-height:44px;padding:12px 28px;font-size:1rem;line-height:1.2;transition:transform 0.3s ease, box-shadow 0.3s ease}
.page-khuyen-mai__btn:hover{transform:translateY(-2px)}
.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#F3F8FF;box-shadow:0 8px 30px rgba(43,115,246,0.4)}
.page-khuyen-mai__btn--secondary{background-color:transparent;color:#4FA8FF;border:2px solid #4FA8FF}
.page-khuyen-mai__btn--gold{background:linear-gradient(180deg,#F2C14E 0%,#D4A035 100%);color:#08162B;box-shadow:0 8px 30px rgba(242,193,78,0.3)}
.page-khuyen-mai__promo-grid-section,.page-khuyen-mai__steps-section,.page-khuyen-mai__terms-grid-section,.page-khuyen-mai__faq-section,.page-khuyen-mai__cta-banner-section{padding:64px 0;background-color:#08162B;border-top:1px solid #1B3357}
.page-khuyen-mai__section-header{max-width:900px;margin:0 auto 44px;text-align:center;padding-left:16px;padding-right:16px}
.page-khuyen-mai__section-title{color:#F3F8FF;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.3;letter-spacing:-0.02em;padding-bottom:10px;margin-top:0;margin-bottom:12px}
.page-khuyen-mai__section-subtitle{color:#AFC4E8;font-size:1rem;line-height:1.6;margin:0}
.page-khuyen-mai__promo-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:28px;padding-left:16px;padding-right:16px}
.page-khuyen-mai__promo-card{background-color:#10233F;border:1px solid #244D84;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform 0.3s ease,box-shadow 0.3s ease}
.page-khuyen-mai__promo-card:hover{transform:translateY(-6px);box-shadow:0 20px 45px rgba(79,168,255,0.2)}
.page-khuyen-mai__promo-image{width:100%;aspect-ratio:16/8;object-fit:cover;display:block}
.page-khuyen-mai__promo-body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.page-khuyen-mai__promo-title{color:#F2C14E;font-size:1.25rem;line-height:1.3;font-weight:700;margin:0}
.page-khuyen-mai__promo-desc{color:#AFC4E8;font-size:0.925rem;line-height:1.6;margin:0}
.page-khuyen-mai__promo-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:auto;padding-top:12px;border-top:1px solid #1B3357}
.page-khuyen-mai__promo-highlight{display:inline-block;padding:6px 12px;background-color:rgba(242,193,78,0.15);color:#F2C14E;border-radius:999px;font-size:0.8rem;font-weight:600}
.page-khuyen-mai__promo-link{color:#4FA8FF;font-weight:700;text-decoration:none;transition:color 0.3s}
.page-khuyen-mai__promo-link:hover{color:#F2C14E;text-decoration:underline}
.page-khuyen-mai__steps-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-left:16px;padding-right:16px}
.page-khuyen-mai__step-card{background-color:#10233F;border:1px solid #244D84;border-radius:16px;padding:28px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.page-khuyen-mai__step-title{color:#F2C14E;font-size:1.2rem;font-weight:700;margin:0}
.page-khuyen-mai__step-desc{color:#AFC4E8;font-size:0.925rem;line-height:1.6;margin:0}
.page-khuyen-mai__step-card .page-khuyen-mai__btn{margin-top:8px}
.page-khuyen-mai__terms-grid-section{padding-top:24px}
.page-khuyen-mai__terms-image-large{width:100%;max-width:700px;aspect-ratio:16/6;object-fit:contain;display:block;margin:0 auto 40px;padding:0 16px;box-sizing:border-box}
.page-khuyen-mai__terms-grid-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-left:16px;padding-right:16px}
.page-khuyen-mai__terms-card{background-color:#10233F;border:1px solid #244D84;border-radius:14px;padding:28px 24px}
.page-khuyen-mai__terms-card-title{color:#F2C14E;font-size:1.15rem;font-weight:700;margin:0 0 14px;line-height:1.4}
.page-khuyen-mai__terms-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.page-khuyen-mai__terms-item{color:#AFC4E8;font-size:0.9rem;line-height:1.5;padding-left:20px;position:relative}
.page-khuyen-mai__terms-item::before{content:'•';position:absolute;left:0;color:#F2C14E;font-weight:bold}
.page-khuyen-mai__faq-list{max-width:900px;margin:0 auto;padding-left:16px;padding-right:16px;display:flex;flex-direction:column;gap:14px}
.page-khuyen-mai__faq-item{background-color:#10233F;border:1px solid #244D84;border-radius:12px;overflow:hidden}
.page-khuyen-mai__faq-question{list-style:none;cursor:pointer;padding:18px 56px 18px 24px;color:#F3F8FF;font-weight:700;position:relative;outline:none;line-height:1.5}
.page-khuyen-mai__faq-question::-webkit-details-marker{display:none}
.page-khuyen-mai__faq-question::after{content:'+';position:absolute;right:24px;top:50%;transform:translateY(-50%);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:2px solid #4FA8FF;color:#4FA8FF;font-weight:800;font-size:1.1rem;transition:all 0.3s ease}
.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question::after{content:'−';background-color:#4FA8FF;color:#08162B;border-color:#4FA8FF}
.page-khuyen-mai__faq-answer{padding:0 24px 20px 24px;color:#AFC4E8;line-height:1.65;font-size:0.95rem}
.page-khuyen-mai__cta-banner-section{position:relative;padding:36px 16px;overflow:hidden;background-color:#08162B}
.page-khuyen-mai__cta-banner-image{display:block;width:100%;height:auto;aspect-ratio:16/6;object-fit:cover;border-radius:16px;border:1px solid #244D84}
.page-khuyen-mai__cta-banner-content{max-width:750px;margin:30px auto 0;text-align:center;padding:0 16px}
.page-khuyen-mai__cta-banner-title{color:#F3F8FF;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.35;margin:0 0 16px}
.page-khuyen-mai__cta-banner-desc{color:#AFC4E8;font-size:1rem;line-height:1.7;max-width:680px;margin:0 auto 30px}
@media (max-width: 1024px){
  .page-khuyen-mai__promo-grid{grid-template-columns:1fr;max-width:680px}
  .page-khuyen-mai__steps-grid,.page-khuyen-mai__terms-grid-inner{grid-template-columns:1fr;max-width:620px}
  .page-khuyen-mai__hero-image{aspect-ratio:16/6}
  .page-khuyen-mai__cta-banner-image{aspect-ratio:16/7}
}
@media (max-width: 768px){
  .page-khuyen-mai__hero-section,.page-khuyen-mai__promo-grid-section,.page-khuyen-mai__steps-section,.page-khuyen-mai__terms-grid-section,.page-khuyen-mai__faq-section,.page-khuyen-mai__cta-banner-section{padding-top:10px;padding-bottom:10px}
  .page-khuyen-mai__hero-section{padding-left:0;padding-right:0}
  .page-khuyen-mai__hero-image-wrap{padding:0 12px}
  .page-khuyen-mai__hero-content{padding:24px 12px 8px}
  .page-khuyen-mai__hero-desc{font-size:0.95rem}
  .page-khuyen-mai__hero-cta-group{flex-direction:column;align-items:stretch;width:100%;max-width:100%;overflow:hidden}
  .page-khuyen-mai__btn{max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word;width:auto;justify-content:center}
  .page-khuyen-mai__promo-image,.page-khuyen-mai__cta-banner-image,.page-khuyen-mai__terms-image-large,.page-khuyen-mai img{max-width:100% !important;height:auto !important}
  .page-khuyen-mai__promo-grid-section,.page-khuyen-mai__steps-section,.page-khuyen-mai__terms-grid-section,.page-khuyen-mai__faq-section,.page-khuyen-mai__cta-banner-section{padding-left:12px;padding-right:12px}
  .page-khuyen-mai__promo-grid,.page-khuyen-mai__steps-grid,.page-khuyen-mai__terms-grid-inner{padding-left:12px;padding-right:12px;gap:16px}
  .page-khuyen-mai__section-header{padding-left:12px;padding-right:12px}
  .page-khuyen-mai__promo-image{aspect-ratio:16/8}
  .page-khuyen-mai__promo-body{padding:18px 16px 22px}
  .page-khuyen-mai__promo-meta{flex-direction:column;align-items:flex-start;gap:12px}
  .page-khuyen-mai__step-card,.page-khuyen-mai__terms-card{padding-top:24px;padding-bottom:24px}
  .page-khuyen-mai__cta-banner-content{margin-top:20px}
  .page-khuyen-mai__cta-banner-title{font-size:1.5rem}
}