.page-khuyen-mai { color: #F3F8FF; background-color: #08162B; min-height: 100vh; }
.page-khuyen-mai__hero-section { padding: 10px 16px 0; max-width: 1400px; margin: 0 auto; display: flex; flex-direction: column; align-items: flex-start; }
.page-khuyen-mai__hero-image { width: 100%; height: auto; aspect-ratio: 17 / 5; object-fit: cover; display: block; border-radius: 16px; box-shadow: 0 0 40px rgba(79, 168, 255, 0.2); }
.page-khuyen-mai__hero-content { margin-top: 24px; text-align: left; }
.page-khuyen-mai__hero-title { font-size: clamp(1.6rem, 3vw, 2.6rem); font-weight: 800; line-height: 1.25; color: #F3F8FF; max-width: 800px; margin-bottom: 12px; }
.page-khuyen-mai__hero-description { font-size: clamp(1rem, 1.5vw, 1.15rem); color: #AFC4E8; max-width: 720px; line-height: 1.7; margin-bottom: 24px; }
.page-khuyen-mai__hero-btn, .page-khuyen-mai__logo-cta, .page-khuyen-mai__guide-btn { display: inline-block; padding: 14px 32px; border-radius: 999px; font-weight: 700; font-size: 1rem; text-decoration: none; text-align: center; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; border: 1px solid #244D84; transition: opacity 0.2s ease, transform 0.2s ease; box-shadow: 0 0 20px rgba(79, 168, 255, 0.3); max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-khuyen-mai__hero-btn:hover, .page-khuyen-mai__logo-cta:hover, .page-khuyen-mai__guide-btn:hover { opacity: 0.9; transform: translateY(-2px); }
.page-khuyen-mai__logo-grid-section { padding: 32px 16px; }
.page-khuyen-mai__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px 16px; justify-items: center; max-width: 1200px; margin: 0 auto; }
.page-khuyen-mai__logo-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 280px; box-sizing: border-box; }
.page-khuyen-mai__logo-item:nth-child(5) { grid-column: 2; }
.page-khuyen-mai__logo-item:nth-child(6) { grid-column: 3; }
.page-khuyen-mai__logo-image { width: 100%; aspect-ratio: 2 / 1; object-fit: contain; border-radius: 12px; background-color: #10233F; border: 1px solid #244D84; }
.page-khuyen-mai__logo-cta { margin-top: auto; padding: 10px 22px; font-size: 0.9rem; }
.page-khuyen-mai__guide-section { padding: 32px 16px 48px; }
.page-khuyen-mai__guide-inner { max-width: 1000px; margin: 0 auto; }
.page-khuyen-mai__guide-title { text-align: center; font-size: clamp(1.5rem, 2.5vw, 2.1rem); line-height: 1.3; color: #F3F8FF; margin-bottom: 16px; }
.page-khuyen-mai__guide-desc { text-align: center; color: #AFC4E8; max-width: 680px; margin: 0 auto 40px; line-height: 1.7; }
.page-khuyen-mai__guide-steps { display: flex; flex-direction: column; gap: 32px; }
.page-khuyen-mai__guide-step { background-color: #10233F; border: 1px solid #244D84; border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.page-khuyen-mai__guide-figure img { width: 100%; max-width: 800px; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 12px; border: 1px solid #244D84; }
.page-khuyen-mai__guide-step-title { font-size: 1.35rem; color: #F3F8FF; margin: 8px 0 4px; }
.page-khuyen-mai__guide-step p { color: #AFC4E8; line-height: 1.65; }
.page-khuyen-mai__guide-btn { margin-top: auto; }
@media (max-width: 1024px) {
  .page-khuyen-mai__logo-grid { grid-template-columns: repeat(3, 1fr); gap: 20px 16px; }
  .page-khuyen-mai__logo-item:nth-child(5), .page-khuyen-mai__logo-item:nth-child(6) { grid-column: auto; }
}
@media (max-width: 768px) {
  .page-khuyen-mai__hero-section { padding: 8px 8px 0; align-items: center; }
  .page-khuyen-mai__hero-image { aspect-ratio: 2 / 1; }
  .page-khuyen-mai__hero-content { text-align: center; }
  .page-khuyen-mai__hero-title, .page-khuyen-mai__hero-description { max-width: 100%; }
  .page-khuyen-mai__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .page-khuyen-mai__logo-item:nth-child(5), .page-khuyen-mai__logo-item:nth-child(6) { grid-column: auto; }
  .page-khuyen-mai__guide-inner { padding: 0; }
  .page-khuyen-mai__logo-grid-section, .page-khuyen-mai__guide-section { padding-left: 8px; padding-right: 8px; }
  .page-khuyen-mai__hero-btn, .page-khuyen-mai__logo-cta, .page-khuyen-mai__guide-btn { max-width: 100%; box-sizing: border-box; }
  .page-khuyen-mai img { max-width: 100% !important; height: auto !important; }
  .page-khuyen-mai { max-width: 100%; overflow-x: hidden; }
}