.page-khuyen-mai{background:#0D0E12;color:#FFF3E6;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.65;overflow-x:hidden}.page-khuyen-mai__container{max-width:1200px;margin:0 auto;padding:0 16px}.page-khuyen-mai__hero-section{background:linear-gradient(145deg,#17191F 20%,#0D0E12 100%);padding:10px 16px 48px;display:flex;flex-direction:column;max-width:1200px;margin:0 auto}.page-khuyen-mai__hero-image-wrapper, .page-khuyen-mai__hero-image{width:100%;max-width:1200px;margin:0 auto}.page-khuyen-mai__hero-image{aspect-ratio:17/5;object-fit:cover;display:block;border-radius:12px;box-shadow:0 0 40px rgba(255,176,77,0.2)}.page-khuyen-mai__hero-content{width:100%;max-width:900px;margin:28px auto 0;text-align:center}.page-khuyen-mai__main-title{font-weight:700;line-height:1.15;letter-spacing:-0.02em;color:#FFF3E6;max-width:800px;margin:0 auto 14px;font-size:clamp(1.6rem, 3.5vw + 0.5rem, 2.6rem)}.page-khuyen-mai__hero-description{margin:0 auto 28px;font-size:clamp(1rem, 2vw, 1.2rem);line-height:1.7;max-width:720px}.page-khuyen-mai__hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center}.page-khuyen-mai__btn{display:inline-block;border-radius:50px;font-weight:700;text-decoration:none;text-align:center;padding:12px 28px;transition:transform .2s ease, box-shadow .2s ease;border:2px solid transparent;min-width:200px;max-width:100%;box-sizing:border-box;white-space:normal;word-wrap:break-word}.page-khuyen-mai__btn--primary{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#0D0E12;border-color:#FFB04D;box-shadow:0 6px 20px rgba(255,140,26,0.25)}.page-khuyen-mai__btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,140,26,0.4)}.page-khuyen-mai__btn--secondary{background:transparent;color:#FFB04D;border-color:#FF8C1A}.page-khuyen-mai__btn--secondary:hover{background:rgba(255,140,26,0.1);transform:translateY(-2px)}.page-khuyen-mai__promo-section{padding:48px 16px;background:#0D0E12;max-width:1200px;margin:0 auto}.page-khuyen-mai__section-title{font-size:clamp(1.5rem, 3vw, 2rem);font-weight:700;text-align:center;color:#FFF3E6;margin-bottom:12px;line-height:1.3;letter-spacing:-0.02em}.page-khuyen-mai__section-subtitle{text-align:center;max-width:760px;margin:0 auto 32px;font-size:1.05rem;color:#FFF3E6;opacity:0.85}.page-khuyen-mai__promo-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:20px}.page-khuyen-mai__promo-card{background:#17191F;border:1px solid #A84F0C;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease;box-shadow:0 10px 30px rgba(0,0,0,0.3)}.page-khuyen-mai__promo-card:hover{transform:translateY(-6px)}.page-khuyen-mai__promo-image{width:100%;aspect-ratio:2/1;object-fit:cover;display:block}.page-khuyen-mai__promo-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}.page-khuyen-mai__promo-tag{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#0D0E12;font-weight:700;font-size:0.75rem;padding:6px 12px;border-radius:999px;display:inline-block;width:fit-content;letter-spacing:0.05em;text-transform:uppercase}.page-khuyen-mai__promo-title{font-size:1.3rem;font-weight:700;color:#FFF3E6;line-height:1.4;margin:0}.page-khuyen-mai__promo-desc{font-size:0.95rem;flex:1;margin:0;opacity:0.9}.page-khuyen-mai__btn--promo{align-self:flex-start}.page-khuyen-mai__steps-section{background:linear-gradient(180deg,#17191F,#0D0E12);padding:48px 0;max-width:1200px;margin:0 auto}.page-khuyen-mai__steps-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;perspective:800px}.page-khuyen-mai__step-card{background:#17191F;border:1px solid #A84F0C;border-radius:16px;padding:32px 24px;text-align:center;position:relative;display:flex;flex-direction:column;align-items:center}.page-khuyen-mai__step-card::before{content:'';position:absolute;inset:0;border-radius:16px;padding:1px;background:linear-gradient(160deg,#FFB04D,transparent 40%);-webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.page-khuyen-mai__step-number{width:56px;height:56px;border-radius:50%;background:linear-gradient(180deg,#FFA53A,#D96800);color:#0D0E12;font-weight:800;font-size:1.4rem;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.page-khuyen-mai__step-title{color:#FFB04D;font-size:1.15rem;font-weight:700;margin-bottom:10px;line-height:1.4}.page-khuyen-mai__step-desc{font-size:0.9rem;opacity:0.88;margin-bottom:20px;flex:1}.page-khuyen-mai__text-link{color:#FFA53A;text-decoration:underline;text-underline-offset:4px;font-weight:600}.page-khuyen-mai__text-link:hover{color:#FFB04D}.page-khuyen-mai__terms-section{padding:48px 0 24px;max-width:1200px;margin:0 auto}.page-khuyen-mai__terms-grid{max-width:860px;margin:0 auto}.page-khuyen-mai__term-item{background:#17191F;border:1px solid #A84F0C;border-radius:12px;margin-bottom:12px;overflow:hidden}.page-khuyen-mai__term-summary{padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-weight:600;background:transparent;border:none;list-style:none;cursor:pointer}.page-khuyen-mai__term-summary::-webkit-details-marker{display:none}.page-khuyen-mai__term-toggle{width:28px;height:28px;border-radius:50%;background:rgba(255,140,26,0.1);color:#FFB04D;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:700}.page-khuyen-mai__term-item[open] .page-khuyen-mai__term-toggle{transform:rotate(45deg)}.page-khuyen-mai__term-desc{padding:0 20px 18px;margin:0;font-size:0.95rem}.page-khuyen-mai__guide-section{background:linear-gradient(180deg,#0D0E12,#17191F);padding:10px 16px 48px}.page-khuyen-mai__guide-inner{max-width:1000px;margin:0 auto;padding:16px 0 32px;display:flex;flex-direction:column;align-items:center;gap:20px}.page-khuyen-mai__guide-title{text-align:center;font-size:clamp(1.4rem, 2.5vw + 0.5rem, 2rem);color:#FFF3E6;margin-bottom:8px;line-height:1.3}.page-khuyen-mai__guide-figure{margin:0 auto;width:100%;display:flex;justify-content:center}.page-khuyen-mai__guide-figure img{display:block;max-width:800px;width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.4)}.page-khuyen-mai__guide-text{max-width:800px;text-align:center;font-size:1.02rem;line-height:1.9;margin:0 auto;opacity:0.95}.page-khuyen-mai__guide-inner .page-khuyen-mai__btn{margin-top:12px}@media (max-width: 1024px){.page-khuyen-mai__promo-grid{grid-template-columns:1fr;gap:20px}.page-khuyen-mai__steps-columns{gap:16px}.page-khuyen-mai__btn{padding:12px 24px;min-width:160px}}@media (max-width: 768px){.page-khuyen-mai__hero-section{padding:10px 12px 32px}.page-khuyen-mai__hero-image{aspect-ratio:19/8;border-radius:8px}.page-khuyen-mai__hero-content{margin-top:20px}.page-khuyen-mai__hero-description{margin-bottom:20px;font-size:15px}.page-khuyen-mai__hero-actions{width:100%;flex-direction:column}.page-khuyen-mai__btn{width:100%;min-width:0}.page-khuyen-mai__promo-section,.page-khuyen-mai__terms-section,.page-khuyen-mai__guide-inner,.page-khuyen-mai__steps-section{padding-left:12px;padding-right:12px}.page-khuyen-mai__steps-columns{grid-template-columns:1fr}.page-khuyen-mai__promo-body{padding:20px}.page-khuyen-mai img{max-width:100%;height:auto}.page-khuyen-mai__promo-image,.page-khuyen-mai__guide-image{aspect-ratio:16/10}.page-khuyen-mai__term-summary{padding:16px;font-size:0.9rem}.page-khuyen-mai__term-desc{padding:0 16px 18px}.page-khuyen-mai__promo-grid{gap:16px}.page-khuyen-mai__section-subtitle{margin-bottom:20px}}