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16px;text-align:center}.page-khuyen-mai__promo-title{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:700;color:#F3C54D;margin-bottom:12px;position:relative;display:inline-block}.page-khuyen-mai__promo-title::after{content:'';position:absolute;left:50%;transform:translateX(-50%);bottom:-6px;width:60%;height:3px;background:linear-gradient(90deg,transparent,#F3C54D,transparent)}.page-khuyen-mai__promo-intro{max-width:900px;margin:18px auto 40px;font-size:1.05rem;color:#FFF1E8}.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;max-width:1150px;margin:0 auto;align-items:stretch}.page-khuyen-mai__promo-card{background:#2A1212;border:1px solid #6A1E1E;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 12px 30px rgba(198,31,31,0.4)}.page-khuyen-mai__promo-image{width:100%;height:auto;max-height:310px;object-fit:cover;display:block}.page-khuyen-mai__promo-body{padding:24px;flex:1;display:flex;flex-direction:column}.page-khuyen-mai__promo-heading{font-size:1.28rem;font-weight:700;color:#F3C54D;margin:0 0 12px;line-height:1.35}.page-khuyen-mai__promo-text{font-size:0.98rem;color:#FFF1E8;opacity:0.95;margin-bottom:20px;flex:1}.page-khuyen-mai__promo-body .page-khuyen-mai__btn{align-self:center;margin-top:auto}.page-khuyen-mai__steps-section{background:#2A1212;border-top:1px solid #6A1E1E;border-bottom:1px solid #6A1E1E;padding:48px 16px}.page-khuyen-mai__steps-title{text-align:center;font-size:clamp(1.3rem,2.8vw,2rem);font-weight:700;color:#F3C54D;margin:0 0 36px}.page-khuyen-mai__steps-list{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:1100px;margin:0 auto}.page-khuyen-mai__step-item{text-align:center;padding:28px 18px;background:#140C0C;border:1px solid #6A1E1E;border-radius:16px}.page-khuyen-mai__step-number{font-size:2.6rem;font-weight:800;color:transparent;-webkit-background-clip:text;background-clip:text;background-image:linear-gradient(180deg,#FFB04A 0%,#D86A14 100%);line-height:1;margin-bottom:12px}.page-khuyen-mai__step-heading{font-size:1.1rem;font-weight:700;color:#FFF1E8;margin-bottom:10px}.page-khuyen-mai__step-text{font-size:0.93rem;color:#FFF1E8;opacity:0.9;margin:0}.page-khuyen-mai__faq-section{max-width:1000px;margin:0 auto;padding:48px 16px}.page-khuyen-mai__faq-title{text-align:center;font-size:clamp(1.3rem,2.8vw,2rem);font-weight:700;color:#F3C54D;margin-bottom:28px}.page-khuyen-mai__faq-list{display:flex;flex-direction:column;gap:14px}.page-khuyen-mai__faq-item{background:#2A1212;border:1px solid #6A1E1E;border-radius:12px;overflow:hidden}.page-khuyen-mai__faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:16px 20px;font-weight:600;color:#FFF1E8;background:#2A1212}.page-khuyen-mai__faq-item summary::-webkit-details-marker{display:none}.page-khuyen-mai__faq-item summary:hover{background:rgba(198,31,31,0.2)}.page-khuyen-mai__faq-question{flex:1;font-size:1rem}.page-khuyen-mai__faq-toggle{color:#F3C54D;font-size:1.6rem;font-weight:400;line-height:1;margin-left:12px;flex-shrink:0}.page-khuyen-mai__faq-item[open] .page-khuyen-mai__faq-toggle{content:'−'}.page-khuyen-mai__faq-answer{padding:0 20px 18px;margin:0;color:#FFF1E8;font-size:0.95rem;opacity:0.92;border-top:1px solid rgba(243,197,77,0.15);padding-top:12px}.page-khuyen-mai__guide-section{max-width:1000px;margin:0 auto;padding:16px 16px 48px}.page-khuyen-mai__guide-title{text-align:center;font-size:clamp(1.3rem,2.8vw,2rem);font-weight:700;color:#F3C54D;margin:0 0 28px}.page-khuyen-mai__guide-figure{margin:0 0 24px;text-align:center}.page-khuyen-mai__guide-image{width:100%;max-width:880px;height:auto;aspect-ratio:2/1;object-fit:cover;border-radius:12px;border:1px solid #6A1E1E}.page-khuyen-mai__guide-caption{font-size:0.9rem;color:#FFF1E8;opacity:0.85;margin-top:8px;font-style:italic}.page-khuyen-mai__guide-content{max-width:880px;margin:0 auto}.page-khuyen-mai__guide-paragraph{font-size:1.02rem;color:#FFF1E8;line-height:1.8;margin:0}.page-khuyen-mai a.page-khuyen-mai__btn:focus-visible{outline:2px solid #F3C54D;outline-offset:2px}@media (max-width:1024px){.page-khuyen-mai__promo-grid{grid-template-columns:1fr;max-width:600px}}@media (max-width:768px){.page-khuyen-mai__hero-section{padding:8px 12px 20px}.page-khuyen-mai__hero-image-block{margin-bottom:16px}.page-khuyen-mai__hero-image{aspect-ratio:2/1;border-radius:10px}.page-khuyen-mai__hero-title{font-size:clamp(1.2rem,4.5vw,1.5rem);margin-bottom:10px}.page-khuyen-mai__hero-desc{font-size:0.94rem;margin-bottom:16px;line-height:1.5}.page-khuyen-mai__hero-buttons{width:100%;max-width:100%;display:flex;flex-direction:column;align-items:center;gap:8px}.page-khuyen-mai__btn{width:100%;max-width:100%;margin:0;padding:13px 20px;font-size:0.98rem;white-space:normal;word-wrap:break-word}.page-khuyen-mai__promo-section{padding:32px 12px}.page-khuyen-mai__promo-grid{gap:20px}.page-khuyen-mai__promo-card,.page-khuyen-mai__promo-body{width:100%;max-width:100%}.page-khuyen-mai__promo-body{padding:18px}.page-khuyen-mai__steps-section{padding:36px 12px}.page-khuyen-mai__steps-list{grid-template-columns:1fr;gap:18px;max-width:460px}.page-khuyen-mai__step-item{padding:24px 16px}.page-khuyen-mai__faq-section{padding:36px 12px}.page-khuyen-mai__guide-section{padding:10px 12px 36px}.page-khuyen-mai__guide-paragraph{font-size:0.95rem}.page-khuyen-mai img{max-width:100% !important;height:auto !important}}