/* ===== Desktop Base ===== */
.page-game-bai { color: #333333; font-family: 'Roboto', Arial, sans-serif; }
.page-game-bai__hero-section { background: linear-gradient(135deg, #017439 0%, #025a2c 100%); padding: 10px 16px 0; }
.page-game-bai__hero-image { width: 100%; display: block; }
.page-game-bai__hero-img { width: 100%; height: auto; aspect-ratio: 17/5; object-fit: cover; display: block; border-radius: 12px; }
.page-game-bai__hero-content { max-width: 1000px; margin: 0 auto; text-align: center; padding: 32px 16px 40px; }
.page-game-bai__main-title { font-weight: 800; line-height: 1.3; letter-spacing: 0.02em; max-width: 800px; margin: 0 auto 18px; color: #ffffff; font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
.page-game-bai__hero-desc { color: #e8f5e9; font-size: 1.1rem; max-width: 700px; margin: 0 auto 28px; line-height: 1.65; }
.page-game-bai__hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.page-game-bai__btn { display: inline-block; padding: 14px 34px; border-radius: 999px; font-weight: 700; font-size: 1.05rem; text-decoration: none; text-align: center; transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s; border: 2px solid #FFFF00; }
.page-game-bai__btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.page-game-bai__btn--register { background: #C30808; color: #FFFF00; }
.page-game-bai__btn--login { background: #C30808; color: #FFFF00; }
.page-game-bai__logo-section { background: #FFFFFF; padding: 40px 16px 20px; }
.page-game-bai__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; max-width: 1200px; margin: 0 auto; }
.page-game-bai__logo-item { display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 280px; width: 100%; padding: 20px 16px; background: #f8fffa; border-radius: 12px; border: 1px solid #e0f0e5; transition: box-shadow 0.2s ease; }
.page-game-bai__logo-item:hover { box-shadow: 0 8px 24px rgba(1,116,57,0.15); }
.page-game-bai__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; }
.page-game-bai__logo-cta { padding: 8px 24px; border-radius: 999px; background: #017439; color: #FFFFFF; font-weight: 600; text-decoration: none; font-size: 0.95rem; transition: background 0.2s ease, transform 0.2s ease; }
.page-game-bai__logo-cta:hover { background: #025a2c; transform: scale(1.05); }
.page-game-bai__logo-item:nth-child(5) { grid-column: 2 / span 1; }
.page-game-bai__logo-item:nth-child(6) { grid-column: 3 / span 1; }
.page-game-bai__guide-section { background: #FFFFFF; }
.page-game-bai__guide-inner { max-width: 1000px; margin: 0 auto; padding: 20px 16px 48px; }
.page-game-bai__guide-title { text-align: center; color: #017439; font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 16px; }
.page-game-bai__guide-intro { text-align: center; max-width: 720px; margin: 0 auto 32px; color: #555; font-size: 1.05rem; line-height: 1.6; }
.page-game-bai__guide-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.page-game-bai__guide-figure { margin: 0; background: #f8fffa; border-radius: 12px; overflow: hidden; border: 1px solid #e0f0e5; }
.page-game-bai__guide-figure img { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; display: block; }
.page-game-bai__guide-figure figcaption { padding: 12px 16px 14px; color: #333; font-size: 0.95rem; line-height: 1.5; }
.page-game-bai__guide-actions { display: flex; justify-content: center; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.page-game-bai__faq-item { margin-top: 20px; border: 1px solid #e0f0e5; border-radius: 8px; background: #f8fffa; }
.page-game-bai__faq-summary { padding: 14px 16px; cursor: pointer; font-weight: 600; color: #017439; display: flex; align-items: center; gap: 8px; }
.page-game-bai__faq-icon { display: inline-block; font-weight: 700; font-size: 1.2rem; }
.page-game-bai__faq-content { padding: 0 16px 14px; color: #333; line-height: 1.6; }

/* ===== Responsive ≤ 1024px ===== */
@media (max-width: 1024px) {
  .page-game-bai__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .page-game-bai__logo-item:nth-child(5), .page-game-bai__logo-item:nth-child(6) { grid-column: auto; }
  .page-game-bai__guide-list { grid-template-columns: 1fr; }
}

/* ===== Responsive ≤ 768px ===== */
@media (max-width: 768px) {
  .page-game-bai__hero-image { width: 100%; }
  .page-game-bai__hero-img { aspect-ratio: 2/1; }
  .page-game-bai__hero-section { padding: 8px 10px 0; }
  .page-game-bai__hero-content { padding: 24px 10px 32px; }
  .page-game-bai__hero-desc { font-size: 0.98rem; line-height: 1.55; }
  .page-game-bai__hero-actions { flex-direction: column; width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
  .page-game-bai__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; padding: 12px 20px; font-size: 1rem; }
  .page-game-bai__logo-section { padding: 24px 10px 16px; }
  .page-game-bai__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .page-game-bai__logo-item { padding: 16px 10px; }
  .page-game-bai__logo-cta { padding: 8px 16px; font-size: 0.88rem; }
  .page-game-bai__guide-inner { padding: 16px 10px 40px; }
  .page-game-bai__guide-intro { font-size: 0.95rem; line-height: 1.5; }
  .page-game-bai__guide-list { gap: 16px; }
  .page-game-bai__guide-actions { flex-direction: column; width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; margin-top: 28px; gap: 12px; }
  .page-game-bai__guide-actions .page-game-bai__btn { width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
  .page-game-bai__guide-figure img { max-width: 100% !important; height: auto !important; }
  .page-game-bai img { max-width: 100% !important; height: auto !important; }
  .page-game-bai { max-width: 100%; overflow-x: hidden; }
  .page-game-bai__faq-summary { font-size: 0.95rem; }
  .page-game-bai__faq-content { font-size: 0.92rem; }
}