.page-da-ga { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #1f2d3d; background-color: #f4f7fb; line-height: 1.6; }
.page-da-ga__hero-section { background: linear-gradient(180deg, #F4F7FB 0%, #FFFFFF 100%); padding: 10px 16px 24px; }
.page-da-ga__hero-container { display: flex; flex-direction: column; align-items: center; max-width: 1200px; margin: 0 auto; gap: 20px; }
.page-da-ga__hero-image-wrap { width: 100%; }
.page-da-ga__hero-image-wrap img { display: block; width: 100%; max-width: 1900px; height: auto; object-fit: cover; border-radius: 16px; box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.2); }
.page-da-ga__hero-content { text-align: center; max-width: 1000px; }
.page-da-ga__hero-title { font-size: clamp(1.6rem, 4vw, 2.8rem); font-weight: 800; color: #1F2D3D; line-height: 1.2; margin: 0 0 12px; }
.page-da-ga__hero-subtitle { font-size: 1rem; color: #1F2D3D; max-width: 850px; margin: 0 auto; line-height: 1.7; opacity: 0.9; }
.page-da-ga__promo-section { padding: 8px 16px; }
.page-da-ga__promo-card { background: linear-gradient(180deg, #FFFFFF 0%, #F4F7FB 100%); border: 1px solid #D6E2FF; border-radius: 12px; padding: 24px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; max-width: 1200px; margin: 0 auto; box-shadow: 0 10px 20px -5px rgba(47, 107, 255, 0.08); }
.page-da-ga__promo-title { font-size: 1.6rem; font-weight: 700; color: #1F2D3D; margin: 0; }
.page-da-ga__promo-text { font-size: 0.95rem; color: #1F2D3D; margin: 0; max-width: 800px; }
.page-da-ga__btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: #2F6BFF; color: #FFFFFF; font-weight: 600; padding: 12px 28px; border-radius: 30px; text-decoration: none; border: none; transition: background 0.3s, transform 0.2s; font-size: 1rem; }
.page-da-ga__btn-primary:hover { background: #1a4bbd; transform: scale(1.02); }
.page-da-ga__welcome-section { padding: 30px 16px; max-width: 1200px; margin: 0 auto; }
.page-da-ga__welcome-container { display: flex; align-items: center; gap: 30px; background: #FFFFFF; border-radius: 20px; padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.03); }
.page-da-ga__welcome-image { flex: 1.2; }
.page-da-ga__welcome-image img { width: 100%; height: auto; aspect-ratio: 4/3; max-width: 500px; border-radius: 12px; object-fit: cover; }
.page-da-ga__welcome-content { flex: 1; }
.page-da-ga__welcome-title { font-size: 1.6rem; font-weight: 700; margin: 8px 0; color: #1F2D3D; }
.page-da-ga__welcome-text { color: #1F2D3D; margin-bottom: 18px; opacity: 0.9; }
.page-da-ga__welcome-btn { margin-top: 8px; }
.page-da-ga__features-section { padding: 40px 16px; max-width: 1200px; margin: 0 auto; }
.page-da-ga__section-header { text-align: center; margin-bottom: 30px; }
.page-da-ga__section-title { font-size: 2rem; font-weight: 700; color: #1F2D3D; margin-bottom: 8px; }
.page-da-ga__section-desc { color: #1F2D3D; opacity: 0.9; max-width: 700px; margin: 0 auto; }
.page-da-ga__feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.page-da-ga__feature-card { background: #FFFFFF; border-radius: 16px; padding: 20px; border: 1px solid #D6E2FF; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03); transition: box-shadow 0.3s, transform 0.2s; }
.page-da-ga__feature-card:hover { box-shadow: 0 12px 22px rgba(47, 107, 255, 0.1); transform: translateY(-5px); }
.page-da-ga__feature-thumb img { width: 100%; height: auto; aspect-ratio: 4/3; max-width: 600px; object-fit: cover; border-radius: 10px; margin-bottom: 15px; }
.page-da-ga__feature-title { font-size: 1.1rem; font-weight: 600; color: #1F2D3D; margin: 12px 0 8px; }
.page-da-ga__feature-text { color: #1F2D3D; opacity: 0.8; font-size: 0.95rem; line-height: 1.6; }
.page-da-ga__guide-section { padding: 40px 16px; max-width: 1200px; background: #FFFFFF; }
.page-da-ga__guide-title { text-align: center; font-size: 2rem; color: #1F2D3D; margin-top: 0; margin-bottom: 30px; font-weight: 700; }
.page-da-ga__guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.page-da-ga__guide-item { display: flex; gap: 20px; background: #FFFFFF; padding: 16px; border-radius: 12px; border: 1px solid #D6E2FF; }
.page-da-ga__guide-image { width: 50%; }
.page-da-ga__guide-image img { width: 100%; aspect-ratio: 16/9; max-width: 800px; height: auto; object-fit: cover; border-radius: 8px; display: block; }
.page-da-ga__guide-content { flex: 1; width: 50%; }
.page-da-ga__guide-item-title { font-size: 1rem; color: #1F2D3D; margin: 0 0 8px; }
.page-da-ga__guide-item-text { color: #1F2D3D; opacity: 0.8; font-size: 0.9rem; line-height: 1.6; }
.page-da-ga__gameplay-section { max-width: 1200px; margin: 0 auto; padding: 40px 16px; }
.page-da-ga__gameplay-container { text-align: center; }
.page-da-ga__gameplay-title { font-size: 2rem; font-weight: 700; color: #1F2D3D; margin-bottom: 8px; }
.page-da-ga__gameplay-subtitle { color: #1F2D3D; opacity: 0.9; }
.page-da-ga__video-container { margin-top: 20px; width: 100%; }
.page-da-ga__video-container iframe { border-radius: 16px; border: 1px solid #D6E2FF; box-shadow: 0 20px 30px -20px rgba(0, 0, 0, 0.2); }
.page-da-ga__faq-section { max-width: 1000px; margin: 20px auto; padding: 30px 16px; }
.page-da-ga__faq-title { text-align: center; font-size: 1.8rem; color: #1F2D3D; font-weight: 700; }
.page-da-ga__faq-list { display: flex; flex-direction: column; gap: 10px; }
.page-da-ga__faq-item { background: #FFFFFF; border-radius: 8px; border: 1px solid #D6E2FF; overflow: hidden; }
.page-da-ga__faq-item summary { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; cursor: pointer; font-weight: 600; color: #1F2D3D; list-style: none; }
.page-da-ga__faq-item summary::-webkit-details-marker { display: none; }
.page-da-ga__faq-icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; background: #2F6BFF; color: #fff; border-radius: 50%; font-weight: 700; transition: transform 0.2s; }
.page-da-ga__faq-item[open] .page-da-ga__faq-icon { transform: rotate(45deg); }
.page-da-ga__faq-item p { padding: 10px 20px 20px; margin: 0; color: #1F2D3D; opacity: 0.9; }
.page-da-ga__cta-section { padding: 40px 16px; }
.page-da-ga__cta-banner { background: linear-gradient(135deg, #2F6BFF 0%, #1a4bbd 100%); max-width: 1200px; margin: 0 auto; padding: 20px; border-radius: 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; box-shadow: 0 20px 30px -10px rgba(47, 107, 255, 0.3); }
.page-da-ga__cta-content { text-align: left; }
.page-da-ga__cta-title { color: #FFFFFF; font-size: 1.8rem; margin: 0; }
.page-da-ga__cta-text { color: #FFFFFF; opacity: 0.95; }
.page-da-ga__btn-cta { background: #FFFFFF; color: #2F6BFF; }
.page-da-ga__btn-cta:hover { background: #f0f2f7; }
@media (max-width: 1024px) {
    .page-da-ga__feature-grid { grid-template-columns: repeat(2, 1fr); }
    .page-da-ga__guide-item { gap: 15px; }
}
@media (max-width: 768px) {
    .page-da-ga__hero-section { padding-top: 10px; }
    .page-da-ga__hero-image-wrap img { aspect-ratio: 2/1; }
    .page-da-ga__hero-title, .page-da-ga__gameplay-title, .page-da-ga__guide-title, .page-da-ga__cta-title, .page-da-ga__section-title, .page-da-ga__welcome-title { font-size: 1.5rem; }
    .page-da-ga__welcome-container { flex-direction: column; }
    .page-da-ga__welcome-image { width: 100%; }
    .page-da-ga__welcome-content { width: 100%; }
    .page-da-ga__feature-grid { grid-template-columns: 1fr; }
    .page-da-ga__feature-thumb img, .page-da-ga__welcome-image img, .page-da-ga__guide-image img { max-width: 100%; }
    .page-da-ga__guide-grid { grid-template-columns: 1fr; }
    .page-da-ga__guide-item { flex-direction: column; padding: 12px; }
    .page-da-ga__guide-image, .page-da-ga__guide-content { width: 100%; }
    .page-da-ga__guide-image img { aspect-ratio: 16/10; }
    .page-da-ga__cta-banner { flex-direction: column; align-items: center; text-align: center; }
    .page-da-ga__cta-content { text-align: center; }
    .page-da-ga__promo-btn, .page-da-ga__welcome-btn, .page-da-ga__btn-cta { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; overflow: hidden; }
    .page-da-ga__promo-card, .page-da-ga__welcome-container, .page-da-ga__btn-primary { max-width: 100%; }
    .page-da-ga__faq-item summary { font-size: 0.9rem; }
    .page-da-ga .page-da-ga__hero-image-wrap img,
    .page-da-ga .page-da-ga__welcome-image img,
    .page-da-ga .page-da-ga__feature-thumb img,
    .page-da-ga .page-da-ga__guide-image img { max-width: 100% !important; height: auto !important; }
    .page-da-ga { overflow-x: hidden; }
}