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ease;border:none;cursor:pointer}.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);color:#fff;box-shadow:0 4px 16px rgba(47,107,255,0.35)}.page-khuyen-mai__btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(47,107,255,0.5)}.page-khuyen-mai__btn--secondary{background:#fff;color:#2F6BFF;border:2px solid #2F6BFF}.page-khuyen-mai__btn--secondary:hover{background:#2F6BFF;color:#fff}.page-khuyen-mai__btn--large{padding:16px 40px;font-size:1.1rem}.page-khuyen-mai__promo-grid{max-width:1200px;margin:0 auto;padding:64px 16px 48px}.page-khuyen-mai__section-header{text-align:center;margin-bottom:40px}.page-khuyen-mai__section-title{font-size:2rem;font-weight:800;color:#1F2D3D;margin-bottom:8px}.page-khuyen-mai__section-subtitle{font-size:1rem;color:#3A4B5E;max-width:560px;margin:0 auto;line-height:1.6}.page-khuyen-mai__promo-list{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}.page-khuyen-mai__promo-card{background:#FFFFFF;border-radius:16px;border:1px solid #D6E2FF;overflow:hidden;box-shadow:0 4px 16px rgba(47,107,255,0.08);transition:transform .2s ease,box-shadow .2s ease}.page-khuyen-mai__promo-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(47,107,255,0.15)}.page-khuyen-mai__promo-card-image{width:100%;overflow:hidden}.page-khuyen-mai__promo-image{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}.page-khuyen-mai__promo-card-content{padding:24px}.page-khuyen-mai__promo-tag{display:inline-block;background:#2F6BFF;color:#fff;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:4px 12px;border-radius:999px;margin-bottom:12px}.page-khuyen-mai__promo-title{font-size:1.25rem;font-weight:700;color:#1F2D3D;margin-bottom:8px}.page-khuyen-mai__promo-desc{font-size:.9rem;line-height:1.6;color:#3A4B5E;margin-bottom:16px}.page-khuyen-mai__promo-link{display:inline-block;font-weight:700;color:#2F6BFF;text-decoration:none;border-bottom:2px solid transparent;transition:border-color .2s ease}.page-khuyen-mai__promo-link:hover{border-bottom-color:#2F6BFF}.page-khuyen-mai__guide-section{background:#F4F7FB;padding:64px 16px}.page-khuyen-mai__guide-inner{max-width:1000px;margin:0 auto}.page-khuyen-mai__guide-title{text-align:center;font-size:2rem;font-weight:800;color:#1F2D3D;margin-bottom:8px}.page-khuyen-mai__guide-subtitle{text-align:center;font-size:1rem;color:#3A4B5E;margin-bottom:40px}.page-khuyen-mai__guide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-bottom:32px}.page-khuyen-mai__guide-figure{margin:0;background:#fff;border-radius:16px;border:1px solid #D6E2FF;overflow:hidden;box-shadow:0 4px 16px rgba(47,107,255,0.08)}.page-khuyen-mai__guide-image{width:100%;height:auto;aspect-ratio:2/1;object-fit:cover;display:block}.page-khuyen-mai__guide-caption{padding:16px;text-align:center;font-weight:600;color:#1F2D3D}.page-khuyen-mai__guide-cta{text-align:center}.page-khuyen-mai__faq-section{max-width:880px;margin:0 auto;padding:64px 16px}.page-khuyen-mai__faq-title{text-align:center;font-size:2rem;font-weight:800;color:#1F2D3D;margin-bottom:32px}.page-khuyen-mai__faq-list{display:flex;flex-direction:column;gap:16px}.page-khuyen-mai__faq-item{background:#fff;border:1px solid #D6E2FF;border-radius:12px;padding:0 24px;overflow:hidden;transition:box-shadow .2s ease}.page-khuyen-mai__faq-item:hover{box-shadow:0 4px 16px rgba(47,107,255,0.1)}.page-khuyen-mai__faq-question{font-weight:700;font-size:1rem;color:#1F2D3D;padding:20px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.page-khuyen-mai__faq-question::-webkit-details-marker{display:none}.page-khuyen-mai__faq-question::after{content:'+';font-size:1.5rem;color:#2F6BFF;font-weight:700;transition:transform .2s ease}.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-question::after{content:'−'}.page-khuyen-mai__faq-answer{padding-bottom:20px;color:#3A4B5E;line-height:1.6;border-top:1px solid #D6E2FF;padding-top:16px}.page-khuyen-mai__logo-section{background:#fff;padding:64px 16px}.page-khuyen-mai__logo-inner{max-width:1200px;margin:0 auto}.page-khuyen-mai__logo-title{text-align:center;font-size:1.75rem;font-weight:800;color:#1F2D3D;margin-bottom:32px}.page-khuyen-mai__logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;justify-items:center}.page-khuyen-mai__logo-item{display:flex;flex-direction:column;align-items:center;gap:12px;max-width:280px;width:100%}.page-khuyen-mai__logo-item--extra:nth-child(5){grid-column:2}.page-khuyen-mai__logo-item--extra:nth-child(6){grid-column:3}.page-khuyen-mai__logo-image{width:100%;height:auto;aspect-ratio:2/1;object-fit:contain}.page-khuyen-mai__cta-section{background:linear-gradient(135deg,#2F6BFF 0%,#6FA3FF 100%);padding:64px 16px;text-align:center}.page-khuyen-mai__cta-inner{max-width:720px;margin:0 auto}.page-khuyen-mai__cta-title{font-size:2rem;font-weight:800;color:#fff;margin-bottom:12px}.page-khuyen-mai__cta-desc{font-size:1rem;color:#E6EEFB;margin-bottom:24px;line-height:1.6}@media (max-width:1024px){.page-khuyen-mai__promo-list{grid-template-columns:1fr}.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-section{padding-top:8px}.page-khuyen-mai__hero-image{aspect-ratio:16/9}.page-khuyen-mai__hero-content{padding:16px 16px 24px}.page-khuyen-mai__hero-title{font-size:1.5rem}.page-khuyen-mai__hero-cta{flex-direction:column;align-items:stretch}.page-khuyen-mai__hero-cta .page-khuyen-mai__btn{width:100%;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}.page-khuyen-mai__promo-grid{padding:32px 12px}.page-khuyen-mai__section-title{font-size:1.5rem}.page-khuyen-mai__promo-card-content{padding:16px}.page-khuyen-mai__promo-title{font-size:1.1rem}.page-khuyen-mai__guide-steps{grid-template-columns:1fr}.page-khuyen-mai__guide-title{font-size:1.5rem}.page-khuyen-mai__logo-grid{grid-template-columns:repeat(2,1fr);gap:16px}.page-khuyen-mai__logo-item--extra:nth-child(5),.page-khuyen-mai__logo-item--extra:nth-child(6){grid-column:auto}.page-khuyen-mai__faq-title{font-size:1.5rem}.page-khuyen-mai__cta-title{font-size:1.5rem}.page-khuyen-mai__cta-desc{font-size:.95rem}.page-khuyen-mai__cta-section .page-khuyen-mai__btn{max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}.page-khuyen-mai__guide-cta .page-khuyen-mai__btn{max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}.page-khuyen-mai img{max-width:100% !important;height:auto !important}}