.page-khuyen-mai { background-color: #F5F7FA; color: #333333; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; width: 100%; max-width: 100%; overflow-x: hidden; box-sizing: border-box; margin: 0 auto; }
.page-khuyen-mai *, .page-khuyen-mai *::before, .page-khuyen-mai *::after { box-sizing: border-box; }
.page-khuyen-mai img { max-width: 100%; height: auto; }
.page-khuyen-mai a { color: #E53935; text-decoration: none; transition: color 0.2s ease; }
.page-khuyen-mai a:hover { color: #C62828; }
.page-khuyen-mai__hero { background-color: #F5F7FA; padding-top: 10px; padding-bottom: 0; }
.page-khuyen-mai__hero-inner { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.page-khuyen-mai__hero-image-wrap { margin-bottom: 16px; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; display: block; border-radius: 12px; box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1); }
.page-khuyen-mai__hero-image { aspect-ratio: 17/5; object-fit: cover; }
.page-khuyen-mai__hero-content { text-align: center; padding: 15px 0 20px 0; }
.page-khuyen-mai__breadcrumb { font-size: 15px; margin-bottom: 12px; color: #666; }
.page-khuyen-mai__breadcrumb a { color: #666; }
.page-khuyen-mai__breadcrumb a:hover { color: #E53935; }
.page-khuyen-mai__breadcrumb span[aria-hidden='true'] { margin: 0 6px; color: #aaa; }
.page-khuyen-mai__main-title { font-size: clamp(1.6rem, 4vw, 5vw); font-weight: 800; color: #E53935; text-transform: uppercase; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 8px; text-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.page-khuyen-mai__intro { max-width: 800px; margin: 0 auto; font-size: 1.1rem; line-height: 1.7; color: #333; }
.page-khuyen-mai__promo-grid { background-color: #FFFFFF; padding: 40px 0; }
.page-khuyen-mai__container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
.page-khuyen-mai__section-title { color: #E53935; font-weight: 800; text-align: center; font-size: 1.8rem; margin-top: 0; position: relative; }
.page-khuyen-mai__section-title::after { content: ''; display: block; width: 80px; height: 4px; background: linear-gradient(90deg, #E53935, #FF5A4F); margin: 12px auto 0; border-radius: 4px; }
.page-khuyen-mai__section-intro { text-align: center; max-width: 800px; margin: 16px auto 36px; font-size: 1.05rem; color: #666; }
.page-khuyen-mai__promo-list { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 24px; }
.page-khuyen-mai__promo-card { background-color: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 16px; overflow: hidden; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.page-khuyen-mai__promo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(229, 57, 53, 0.08); }
.page-khuyen-mai__promo-card-image-wrap { overflow: hidden; }
.page-khuyen-mai__promo-card-image { width: 100%; aspect-ratio: 2/1; object-fit: cover; display: block; }
.page-khuyen-mai__promo-card-body { padding: 24px; }
.page-khuyen-mai__promo-tag { background-color: #E53935; color: #FFFFFF; font-weight: 700; font-size: 0.8rem; padding: 4px 12px; border-radius: 999px; display: inline-block; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.page-khuyen-mai__promo-tag--hot { background-color: #FF5A4F; }
.page-khuyen-mai__promo-card-title { font-size: 1.25rem; margin: 0 0 8px; }
.page-khuyen-mai__promo-card-title a { color: #333; }
.page-khuyen-mai__promo-card-title a:hover { color: #E53935; }
.page-khuyen-mai__promo-card-desc { font-size: 0.95rem; color: #555; line-height: 1.65; margin-bottom: 8px; }
.page-khuyen-mai__promo-card-meta { font-size: 0.8rem; color: #888; margin-bottom: 16px; background-color: #F5F7FA; display: inline-block; padding: 4px 10px; border-radius: 6px; }
.page-khuyen-mai__promo-card-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.page-khuyen-mai__btn { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #FFFFFF; font-weight: 700; width: auto; padding: 12px 28px; border: 0; border-radius: 999px; font-size: 1rem; cursor: pointer; display: inline-block; text-align: center; text-decoration: none; box-shadow: 0 4px 14px rgba(229, 57, 53, 0.3); max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; transition: opacity 0.3s ease, transform 0.2s ease; }
.page-khuyen-mai__btn:hover { opacity: 0.9; color: #FFFFFF; transform: translateY(-2px); }
.page-khuyen-mai__btn:active { transform: scale(0.98); }
.page-khuyen-mai__link { font-size: 0.9rem; color: #E53935; }
.page-khuyen-mai__link:hover { text-decoration: underline; }
.page-khuyen-mai__featured-deal { background: linear-gradient(180deg, #E53935, #FF5A4F); padding: 40px 0; color: #FFFFFF; text-align: center; }
.page-khuyen-mai__container--featured { display: flex; justify-content: center; text-align: left; }
.page-khuyen-mai__featured-content { max-width: 900px; }
.page-khuyen-mai__featured-content .page-khuyen-mai__btn { background: #FFF; color: #E53935; margin-top: 16px; }
.page-khuyen-mai__featured-content .page-khuyen-mai__btn:hover { color: #E53935eb; }
.page-khuyen-mai__featured-deal-title { margin-top: 0; font-weight: 800; color: #FFF; font-size: 2rem; }
.page-khuyen-mai__featured-text { font-size: 1.1rem; color: #FFF; }
.page-khuyen-mai__featured-text strong { color: #ffd54f; }
.page-khuyen-mai__featured-steps { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-top: 32px; margin-bottom: 24px; }
.page-khuyen-mai__step-item { max-width: 180px; }
.page-khuyen-mai__step-number { display: block; width: 48px; height: 48px; line-height: 48px; background: #FFF; color: #E53935; font-weight: 800; border-radius: 50%; margin: 0 auto 8px; font-size: 1.25rem; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.page-khuyen-mai__step-text { color: #FFF; }
.page-khuyen-mai__details { background-color: #FFFFFF; padding: 40px 0; }
.page-khuyen-mai__promo-table { overflow-x: auto; border: 1px solid #E0E0E0; border-radius: 8px; margin-bottom: 32px; }
.page-khuyen-mai__promo-table-row { display: grid; grid-template-columns: 2fr 2fr 2fr 1fr; gap: 12px; padding: 16px; align-items: center; border-bottom: 1px solid #E0E0E0; }
.page-khuyen-mai__promo-table-row:last-child { border-bottom: 0; }
.page-khuyen-mai__promo-table-row--header { background-color: #FF5A4F; color: #FFF; font-weight: 700; }
.page-khuyen-mai__promo-table-col { font-size: 0.95rem; }
.page-khuyen-mai__terms { background-color: #F5F7FA; padding: 24px; border-radius: 8px; border-left: 4px solid #E53935; }
.page-khuyen-mai__terms-title { margin-top: 0; font-size: 1.15rem; color: #333; }
.page-khuyen-mai__terms-list { padding-left: 20px; }
.page-khuyen-mai__terms-item { margin-bottom: 8px; color: #555; }
.page-khuyen-mai__faq { background-color: #F5F7FA; padding: 40px 0; }
.page-khuyen-mai__faq-details { background-color: #FFF; border: 1px solid #E0E0E0; border-radius: 10px; padding: 16px 20px; margin-bottom: 16px; }
.page-khuyen-mai__faq-question { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: #333; font-size: 1.05rem; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-toggle { font-size: 1.6rem; line-height: 1rem; font-weight: 400; color: #E53935; }
.page-khuyen-mai__faq-answer { margin-top: 12px; color: #666; padding-top: 12px; border-top: 1px solid #eee; }
.page-khuyen-mai__faq-answer a { color: #E53935; }
.page-khuyen-mai__guide-section { background-color: #FFFFFF; padding-top: 20px; }
.page-khuyen-mai__guide-item { max-width: 1000px; margin: 0 auto; padding: 20px 15px 32px; display: flex; gap: 32px; flex-wrap: wrap; }
.page-khuyen-mai__guide-image-wrap { flex: 1 1 400px; }
.page-khuyen-mai__guide-image { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 12px; box-shadow: 0 8px 20px rgba(0,0,0,0.05); }
.page-khuyen-mai__guide-content { flex: 1 1 400px; }
.page-khuyen-mai__guide-title { color: #333; font-size: 2rem; margin-top: 0; text-align: left; }
.page-khuyen-mai__guide-title::after { display: none; }
.page-khuyen-mai__guide-intro { color: #666; margin-bottom: 20px; }
.page-khuyen-mai__guide-list { list-style: none; padding: 0; margin-bottom: 20px; }
.page-khuyen-mai__guide-step { counter-increment: step-counter; position: relative; padding-left: 50px; margin-bottom: 16px; min-height: 38px; display: flex; align-items: flex-start; }
.page-khuyen-mai__guide-step::before { content: counter(step-counter); position: absolute; top: 0; left: 0; margin-top: 2px; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: white; border-radius: 999px; width: 34px; height: 34px; line-height: 34px; text-align: center; font-weight: 800; font-size: 1rem; }
.page-khuyen-mai__guide-item .page-khuyen-mai__guide-list { counter-reset: step-counter; }
.page-khuyen-mai__guide-step strong { color: #333; }
.page-khuyen-mai__guide-step a { color: #E53935; font-weight: 700; }
.page-khuyen-mai__guide-cta { text-align: center; margin-top: 8px; }
@media (max-width: 768px) {
    .page-khuyen-mai__promo-table-row { grid-template-columns: 1fr; }
    .page-khuyen-mai__promo-table-col { text-align: center; }
    .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
    .page-khuyen-mai .page-khuyen-mai__hero-image { aspect-ratio: 16/9; }
    .page-khuyen-mai__main-title { font-size: 1.3rem; }
    .page-khuyen-mai__intro { font-size: 1rem; }
    .page-khuyen-mai__section-title { font-size: 1.4rem; }
    .page-khuyen-mai__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; }
    .page-khuyen-mai__guide-item { flex-direction: column; }
    .page-khuyen-mai__guide-title { font-size: 1.4rem; }
    .page-khuyen-mai__featured-deal-title { font-size: 1.4rem; }
    .page-khuyen-mai__promo-list { grid-template-columns: 1fr; }
}
@media (min-width: 768px) and (max-width: 1024px) {
    .page-khuyen-mai__promo-table-row { grid-template-columns: 1fr 1fr 1fr; }
    .page-khuyen-mai__guide-item { gap: 20px; }
}