.page-khuyen-mai-chi-tiet { background: linear-gradient(135deg, #0a1420 0%, #08162B 50%, #0d1f3a 100%); color: #F3F8FF; font-family: 'Segoe UI', Roboto, Arial, sans-serif; overflow-x: hidden; }
.page-khuyen-mai-chi-tiet__hero-section { background: radial-gradient(circle at 20% 40%, #1B3357, #08162B); max-width: 1400px; margin: 0 auto; padding: 10px 1rem 0; }
.page-khuyen-mai-chi-tiet__hero-image { width: 100%; border-radius: 12px; overflow: hidden; box-shadow: 0 0 35px rgba(79, 168, 255, 0.3); }
.page-khuyen-mai-chi-tiet__hero-image-item { display: block; width: 100%; max-width: 100%; aspect-ratio: 17/5; object-fit: cover; border-radius: 12px; }
.page-khuyen-mai-chi-tiet__hero-content { max-width: 850px; margin: 1.5rem auto 0; text-align: center; }
.page-khuyen-mai-chi-tiet__hero-title { color: #F3F8FF; font-size: clamp(1.6rem, 2.5vw, 2.5rem); font-weight: 800; line-height: 1.2; letter-spacing: 0.01em; text-shadow: none; margin: 0 0 0.75rem; }
.page-khuyen-mai-chi-tiet__hero-subtitle { color: #AFC4E8; font-size: 1rem; line-height: 1.7; margin: 0 auto 1.25rem; max-width: 650px; }
.page-khuyen-mai-chi-tiet__hero-cta { margin: 0; }
.page-khuyen-mai-chi-tiet__cta-button, .page-khuyen-mai-chi-tiet__promo-button, .page-khuyen-mai-chi-tiet__howto-button { display: inline-block; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); border: 1px solid #4FA8FF; border-radius: 50px; color: #F3F8FF; font-weight: 700; font-size: 1rem; padding: 0.8rem 2rem; text-decoration: none; box-shadow: 0 4px 20px rgba(43, 115, 246, 0.35); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.page-khuyen-mai-chi-tiet__cta-button:hover, .page-khuyen-mai-chi-tiet__promo-button:hover, .page-khuyen-mai-chi-tiet__howto-button:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(79, 168, 255, 0.5); }
.page-khuyen-mai-chi-tiet__bonus-section, .page-khuyen-mai-chi-tiet__promo-detail-section, .page-khuyen-mai-chi-tiet__howto-section, .page-khuyen-mai-chi-tiet__terms-section, .page-khuyen-mai-chi-tiet__support-section { max-width: 1200px; margin: 3rem auto 0; padding: 1.5rem; }
.page-khuyen-mai-chi-tiet__bonus-container, .page-khuyen-mai-chi-tiet__bonus-description { text-align: center; }
.page-khuyen-mai-chi-tiet__bonus-heading { color: #F3F8FF; font-size: clamp(1.5rem, 2vw, 2.3rem); font-weight: 800; margin: 0 0 1rem; }
.page-khuyen-mai-chi-tiet__bonus-description { color: #AFC4E8; max-width: 800px; margin: 0 auto 2rem; line-height: 1.8; font-size: 1.05rem; }
.page-khuyen-mai-chi-tiet__promo-detail-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 2rem; }
.page-khuyen-mai-chi-tiet__promo-card { background: #10233F; border: 1px solid #244D84; border-radius: 16px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.page-khuyen-mai-chi-tiet__promo-card:hover { box-shadow: 0 12px 40px rgba(79, 168, 255, 0.15), 0 0 0 1px #4FA8FF; transform: translateY(-6px); }
.page-khuyen-mai-chi-tiet__promo-card-image { overflow: hidden; border-bottom: 1px solid #1B3357; }
.page-khuyen-mai-chi-tiet__promo-card-image-item { display: block; width: 100%; max-width: 100%; aspect-ratio: 2/1; object-fit: cover; }
.page-khuyen-mai-chi-tiet__promo-card-content { padding: 1.5rem; }
.page-khuyen-mai-chi-tiet__promo-card-title { color: #F2C14E; font-size: 1.4rem; font-weight: 700; line-height: 1.3; margin: 0 0 0.5rem; }
.page-khuyen-mai-chi-tiet__promo-card-meta { font-size: 0.85rem; color: #AFC4E8; margin-bottom: 1rem; }
.page-khuyen-mai-chi-tiet__promo-card-text { font-size: 1rem; line-height: 1.8; color: #D0DDE7; margin-bottom: 1rem; }
.page-khuyen-mai-chi-tiet__promo-card-subtitle { font-size: 1.1rem; font-weight: 600; color: #F3F8FF; margin: 0.75rem 0; }
.page-khuyen-mai-chi-tiet__promo-card-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.page-khuyen-mai-chi-tiet__promo-card-list-item { position: relative; padding-left: 1.75rem; color: #AFC4E8; line-height: 1.7; margin-bottom: 0.5rem; }
.page-khuyen-mai-chi-tiet__promo-card-list-item::before { content: '★'; position: absolute; left: 0; color: #F2C14E; font-weight: bold; font-size: 0.9rem; top: 0.2rem; }
.page-khuyen-mai-chi-tiet__promo-card-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.page-khuyen-mai-chi-tiet__promo-button { padding: 0.6rem 1.5rem; font-size: 0.95rem; }
.page-khuyen-mai-chi-tiet__promo-button-link { color: #4FA8FF; font-weight: 600; text-decoration: none; border: 1px solid #4FA8FF; border-radius: 50px; padding: 0.6rem 1.5rem; display: inline-block; transition: background 0.2s ease, color 0.2s ease; }
.page-khuyen-mai-chi-tiet__promo-button-link:hover { background: rgba(79, 168, 255, 0.15); color: #F3F8FF; }
.page-khuyen-mai-chi-tiet__howto-container { max-width: 900px; margin: 0 auto; background: #10233F; border: 1px solid #244D84; border-radius: 24px; padding: 2.5rem; }
.page-khuyen-mai-chi-tiet__howto-title, .page-khuyen-mai-chi-tiet__terms-title, .page-khuyen-mai-chi-tiet__support-title { text-align: center; color: #F2C14E; font-size: clamp(1.5rem, 2vw, 2rem); font-weight: 800; margin: 0 0 0.5rem; }
.page-khuyen-mai-chi-tiet__howto-description { text-align: center; color: #AFC4E8; margin-bottom: 2.5rem; font-size: 1.05rem; }
.page-khuyen-mai-chi-tiet__howto-step { position: relative; padding: 0 0 1rem 5rem; text-align: left; }
.page-khuyen-mai-chi-tiet__howto-step-icon { position: absolute; left: 0; top: 0.2rem; width: 3.5rem; height: 3.5rem; border-radius: 50%; background: linear-gradient(135deg, #1D5FD1, #113B7A); border: 2px solid #4FA8FF; color: #F2C14E; font-size: 1.4rem; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 20px rgba(79, 168, 255, 0.2); }
.page-khuyen-mai-chi-tiet__howto-step-title { font-size: 1.3rem; font-weight: 600; color: #F3F8FF; margin: 0 0 0.25rem; }
.page-khuyen-mai-chi-tiet__howto-step-text { font-size: 1rem; line-height: 1.7; color: #AFC4E8; max-width: 800px; }
.page-khuyen-mai-chi-tiet__howto-cta { text-align: center; margin-top: 2rem; }
.page-khuyen-mai-chi-tiet__terms-container, .page-khuyen-mai-chi-tiet__support-container { background: rgba(16, 35, 63, 0.5); border: 1px dashed #244D84; border-radius: 20px; padding: 2rem; }
.page-khuyen-mai-chi-tiet__terms-subtitle { color: #4FA8FF; font-size: 1.2rem; font-weight: 600; color: #4FA8FF; margin: 1.5rem 0 0.5rem; }
.page-khuyen-mai-chi-tiet__terms-paragraph { color: #D0DDE7; line-height: 1.8; font-size: 1rem; }
.page-khuyen-mai-chi-tiet__support-text { text-align: center; color: #AFC4E8; font-size: 1.1rem; margin-bottom: 1.5rem; }
.page-khuyen-mai-chi-tiet__support-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.page-khuyen-mai-chi-tiet__support-link { color: #F2C14E; font-weight: 600; border: 2px solid #F2C14E; border-radius: 50px; padding: 0.6rem 1.8rem; text-decoration: none; transition: background 0.2s ease, color 0.2s ease; }
.page-khuyen-mai-chi-tiet__support-link:hover { background: #F2C14E; color: #08162B; }

@media (max-width: 1024px) {
  .page-khuyen-mai-chi-tiet__hero-section { padding: 10px 1rem 0; }
  .page-khuyen-mai-chi-tiet__hero-image-item { aspect-ratio: 16/6; }
  .page-khuyen-mai-chi-tiet__bonus-section, .page-khuyen-mai-chi-tiet__promo-detail-section, .page-khuyen-mai-chi-tiet__howto-section, .page-khuyen-mai-chi-tiet__terms-section, .page-khuyen-mai-chi-tiet__support-section { margin-top: 2rem; padding: 1rem; }
}

@media (max-width: 768px) {
  .page-khuyen-mai-chi-tiet { max-width: 100%; overflow-x: hidden; }
  .page-khuyen-mai-chi-tiet__hero-section { padding-top: 10px; }
  .page-khuyen-mai-chi-tiet__hero-image { border-radius: 8px; }
  .page-khuyen-mai-chi-tiet__hero-image-item { aspect-ratio: 2/1; }
  .page-khuyen-mai-chi-tiet__hero-content { margin-top: 1rem; padding: 0 0.5rem; }
  .page-khuyen-mai-chi-tiet__hero-title { font-size: clamp(1.4rem, 2vw, 1.8rem); font-weight: 700; }
  .page-khuyen-mai-chi-tiet__hero-subtitle { font-size: 0.95rem; line-height: 1.6; }
  .page-khuyen-mai-chi-tiet__cta-button, .page-khuyen-mai-chi-tiet__promo-button, .page-khuyen-mai-chi-tiet__howto-button, .page-khuyen-mai-chi-tiet__promo-button-link, .page-khuyen-mai-chi-tiet__support-link { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; padding: 0.8rem 1rem; }
  .page-khuyen-mai-chi-tiet__promo-card-actions, .page-khuyen-mai-chi-tiet__hero-cta, .page-khuyen-mai-chi-tiet__howto-cta, .page-khuyen-mai-chi-tiet__support-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
  .page-khuyen-mai-chi-tiet__bonus-section, .page-khuyen-mai-chi-tiet__promo-detail-section, .page-khuyen-mai-chi-tiet__howto-section, .page-khuyen-mai-chi-tiet__terms-section, .page-khuyen-mai-chi-tiet__support-section { margin-top: 1.5rem; padding: 0.5rem; }
  .page-khuyen-mai-chi-tiet__promo-detail-container { grid-template-columns: 1fr; gap: 1.25rem; }
  .page-khuyen-mai-chi-tiet__bonus-heading { font-size: 1.6rem; }
  .page-khuyen-mai-chi-tiet__bonus-description { font-size: 0.9rem; }
  .page-khuyen-mai-chi-tiet__promo-card-title { font-size: 1.2rem; }
  .page-khuyen-mai-chi-tiet__promo-card-text, .page-khuyen-mai-chi-tiet__promo-card-list-item, .page-khuyen-mai-chi-tiet__howto-step-text, .page-khuyen-mai-chi-tiet__terms-paragraph { font-size: 0.9rem; }
  .page-khuyen-mai-chi-tiet__howto-container { padding: 1.5rem; border-radius: 16px; }
  .page-khuyen-mai-chi-tiet__howto-step-icon { width: 3rem; height: 3rem; font-size: 1.2rem; }
  .page-khuyen-mai-chi-tiet__howto-step { padding-left: 4rem; }
  .page-khuyen-mai-chi-tiet__terms-container, .page-khuyen-mai-chi-tiet__support-container { padding: 1rem; }
  .page-khuyen-mai-chi-tiet img { max-width: 100% !important; height: auto !important; }
}