.page-khuyen-mai { color: #333333; font-family: Arial, Helvetica, sans-serif; line-height: 1.6; background: #FFFFFF; }
.page-khuyen-mai a { text-decoration: none; }
.page-khuyen-mai__hero-section { padding-top: 10px; background: #FFFFFF; }
.page-khuyen-mai__hero-image-wrapper { width: 100%; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; aspect-ratio: 17 / 5; object-fit: cover; display: block; }
.page-khuyen-mai__hero-content { text-align: center; padding: 20px 16px; max-width: 1200px; width: 100%; box-sizing: border-box; margin: 0 auto; }
.page-khuyen-mai__hero-title { font-weight: 800; line-height: 1.25; color: #0477db; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: 0.02em; max-width: 900px; margin: 0 auto 12px; }
.page-khuyen-mai__hero-description { max-width: 850px; margin: 0 auto 24px; color: #4a4a4a; }
.page-khuyen-mai__hero-actions { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.page-khuyen-mai__button { display: inline-block; padding: 14px 34px; border-radius: 50px; color: #FFFFFF; font-weight: 700; text-align: center; transition: opacity 0.3s ease; box-sizing: border-box; }
.page-khuyen-mai__button:hover { opacity: 0.85; }
.page-khuyen-mai__button--login { background: #EA7C07; }
.page-khuyen-mai__button--register { background: #26A9E0; }
.page-khuyen-mai__intro-section, .page-khuyen-mai__promo-section, .page-khuyen-mai__benefit-section, .page-khuyen-mai__guide-section { padding: 32px 16px; max-width: 1200px; width: 100%; box-sizing: border-box; margin: 0 auto; }
.page-khuyen-mai__section-title { text-align: center; color: #0477db; font-weight: 800; letter-spacing: 0.02em; margin-bottom: 28px; }
.page-khuyen-mai__intro-text { text-align: center; max-width: 1000px; margin: 0 auto; color: #333333; }
.page-khuyen-mai__promo-card { display: flex; flex-direction: column; background: #f5faff; border-radius: 16px; overflow: hidden; margin-bottom: 32px; padding: 16px; transition: transform 0.3s ease, box-shadow 0.3s ease; background-clip: padding-box; box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.page-khuyen-mai__promo-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.page-khuyen-mai__promo-image { width: 100%; height: auto; max-width: 100%; object-fit: cover; border-radius: 12px; }
.page-khuyen-mai__promo-content { padding: 20px 4px 4px; }
.page-khuyen-mai__promo-title { color: #003f5f; margin-top: 0; margin-bottom: 12px; }
.page-khuyen-mai__promo-text { color: #333333; }
.page-khuyen-mai__promo-link, .page-khuyen-mai__cta-button { display: inline-block; margin-top: 12px; background: #EA7C07; color: #FFFFFF; padding: 12px 30px; border-radius: 30px; font-weight: 700; }
.page-khuyen-mai__promo-link:hover { opacity: 0.85; }
.page-khuyen-mai__benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.page-khuyen-mai__benefit-item { text-align: center; color: #1a1a1a; background: #f5faff; padding: 30px 20px; border-radius: 16px; }
.page-khuyen-mai__benefit-icon { font-size: 48px; line-height: 1; }
.page-khuyen-mai__benefit-title { color: #003f5f; }
.page-khuyen-mai__benefit-text { color: #333333; }
.page-khuyen-mai__guide-section { padding-top: 24px; }
.page-khuyen-mai__guide-container { display: flex; flex-direction: column; gap: 24px; margin-bottom: 24px; }
.page-khuyen-mai__guide-step { display: flex; align-items: flex-start; gap: 16px; }
.page-khuyen-mai__guide-number { width: 40px; height: 40px; min-width: 40px; border-radius: 50%; background: #26A9E0; color: #FFFFFF; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 22px; line-height: 1; }
.page-khuyen-mai__guide-text { margin: 0; padding-top: 6px; color: #333333; }
.page-khuyen-mai__guide-subtitle { color: #003f5f; margin-top: 24px; }
.page-khuyen-mai__guide-list { padding-left: 20px; }
.page-khuyen-mai__guide-list li { color: #333333; margin-bottom: 8px; }
.page-khuyen-mai__faq-list { margin-top: 16px; }
.page-khuyen-mai__faq-item { border: 1px solid #e0e9ff; border-radius: 12px; padding: 16px 20px; background: #FFFFFF; margin-bottom: 12px; }
.page-khuyen-mai__faq-question { cursor: pointer; list-style: none; font-weight: 700; color: #003f5f; display: flex; gap: 12px; align-items: center; }
.page-khuyen-mai__faq-question::-webkit-details-marker { display: none; }
.page-khuyen-mai__faq-toggle { color: #26A9E0; font-size: 24px; line-height: 1; min-width: 24px; display: inline-block; }
.page-khuyen-mai__faq-answer { padding-top: 12px; color: #333333; margin: 0; }
.page-khuyen-mai__blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; padding-top: 16px; }
.page-khuyen-mai__blog-card { background: #f5faff; border-radius: 16px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; display: block; color: #333333; text-decoration: none; padding: 12px; box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.page-khuyen-mai__blog-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
.page-khuyen-mai__blog-image { width: 100%; height: auto; display: block; object-fit: cover; }
.page-khuyen-mai__blog-title { color: #003f5f; margin-bottom: 8px; }
.page-khuyen-mai__blog-excerpt { color: #333333; }
.page-khuyen-mai__cta-section { max-width: 1200px; margin: 48px auto; padding: 30px; text-align: center; background: #e6f4fb; border-radius: 20px; }
.page-khuyen-mai__cta-title { margin-top: 0; color: #003f5f; }
.page-khuyen-mai__cta-text { color: #333333; }
.page-khuyen-mai__cta-button { margin-top: 16px; }
@media (max-width: 768px) {
 .page-khuyen-mai__hero-image { aspect-ratio: 2 / 1; }
 .page-khuyen-mai__hero-content { padding: 16px; }
 .page-khuyen-mai__button { width: 100%; box-sizing: border-box; }
 .page-khuyen-mai__promo-card { padding: 12px; }
 .page-khuyen-mai__promo-link { width: 100%; text-align: center; box-sizing: border-box; }
 .page-khuyen-mai__benefit-item { padding: 20px 16px; }
 .page-khuyen-mai__blog-card { max-width: 100%; }
 .page-khuyen-mai__guide-container { gap: 16px; }
 .page-khuyen-mai__faq-item { padding: 12px; }
 .page-khuyen-mai__cta-section { padding: 24px 16px; }
 .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
}
@media (max-width: 1024px) {
 .page-khuyen-mai__hero-actions { flex-direction: column; align-items: stretch; }
}