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padding: 100px 20px; border-radius: 0; padding-top: 10px; }.page-keo-nha-cai__hero-content { max-width: 800px; margin: 0 auto; }.page-keo-nha-cai__hero-subtitle { font-size: 1.5em; margin-bottom: 30px; }.page-keo-nha-cai__cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }.page-keo-nha-cai__cta-button { display: inline-block; background-color: #e74c3c; color: #fff; padding: 15px 30px; border-radius: 5px; text-decoration: none; font-weight: bold; font-size: 1.1em; transition: background-color 0.3s ease; white-space: nowrap; }.page-keo-nha-cai__cta-button:hover { background-color: #c0392b; }.page-keo-nha-cai__payment-providers { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 30px; width: 100%; max-width: 100%; box-sizing: border-box; padding: 40px 20px; background-color: #f0f0f0; }.page-keo-nha-cai__payment-logo { flex: 0 0 auto; width: 80px; height: 80px; max-width: 80px; max-height: 80px; box-sizing: border-box; }.page-keo-nha-cai__payment-logo img { display: block; width: 80px !important; height: 80px !important; max-width: 80px !important; max-height: 80px !important; object-fit: contain; }.page-keo-nha-cai__intro-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 30px; }.page-keo-nha-cai__intro-item { text-align: center; padding: 20px; border: 1px solid #eee; border-radius: 8px; }.page-keo-nha-cai__intro-item img { margin-bottom: 15px; border-radius: 8px; max-width: 100%; height: auto; }.page-keo-nha-cai__quick-links-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin-top: 30px; }.page-keo-nha-cai__quick-link-button { display: block; background-color: #3498db; color: #fff; padding: 15px 20px; border-radius: 5px; text-decoration: none; font-weight: bold; text-align: center; transition: background-color 0.3s ease; }.page-keo-nha-cai__quick-link-button:hover { background-color: #2980b9; }.page-keo-nha-cai__game-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 30px; }.page-keo-nha-cai__game-card { background-color: #f9f9f9; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); text-align: center; }.page-keo-nha-cai__game-card img { width: 100%; height: 200px; object-fit: cover; }.page-keo-nha-cai__game-card-content { padding: 20px; }.page-keo-nha-cai__game-card-title { font-size: 1.4em; margin-bottom: 10px; color: #34495e; }.page-keo-nha-cai__game-card-description { font-size: 0.9em; color: #555; margin-bottom: 15px; }.page-keo-nha-cai__promotion-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 30px; }.page-keo-nha-cai__promotion-card { background-color: #f9f9f9; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); text-align: center; padding-bottom: 20px; }.page-keo-nha-cai__promotion-card img { width: 100%; height: 200px; object-fit: cover; }.page-keo-nha-cai__promotion-card-content { padding: 20px; }.page-keo-nha-cai__promotion-card-title { font-size: 1.4em; margin-bottom: 10px; color: #34495e; }.page-keo-nha-cai__promotion-card-description { font-size: 0.9em; color: #555; margin-bottom: 15px; }.page-keo-nha-cai__info-list { list-style: none; padding: 0; margin-top: 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }.page-keo-nha-cai__info-item { background-color: #ecf0f1; padding: 20px; border-radius: 8px; text-align: center; box-sizing: border-box; }.page-keo-nha-cai__info-item strong { color: #2c3e50; font-size: 1.1em; display: block; margin-bottom: 10px; }.page-keo-nha-cai__faq-item { border: 1px solid #ddd; border-radius: 8px; margin-bottom: 10px; overflow: hidden; }.page-keo-nha-cai__faq-question { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; background-color: #f5f5f5; cursor: pointer; user-select: none; transition: background-color 0.3s ease; }.page-keo-nha-cai__faq-question h3 { margin: 0; font-size: 1.2em; color: #34495e; pointer-events: none; }.page-keo-nha-cai__faq-toggle { font-size: 1.8em; font-weight: bold; color: #2980b9; transition: transform 0.3s ease; pointer-events: none; }.page-keo-nha-cai__faq-item.active .page-keo-nha-cai__faq-toggle { transform: rotate(45deg); }.page-keo-nha-cai__faq-answer { max-height: 0; overflow: hidden; padding: 0 15px; opacity: 0; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease; }.page-keo-nha-cai__faq-item.active .page-keo-nha-cai__faq-answer { max-height: 2000px !important; padding: 20px 15px !important; opacity: 1; }.page-keo-nha-cai__blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 30px; }.page-keo-nha-cai__blog-card { background-color: #f9f9f9; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); }.page-keo-nha-cai__blog-card img { width: 100%; height: 200px; object-fit: cover; }.page-keo-nha-cai__blog-card-content { padding: 20px; }.page-keo-nha-cai__blog-card-title { font-size: 1.3em; margin-bottom: 10px; }.page-keo-nha-cai__blog-card-title a { color: #34495e; text-decoration: none; }.page-keo-nha-cai__blog-card-title a:hover { color: #2980b9; }.page-keo-nha-cai__blog-card-meta { font-size: 0.85em; color: #777; margin-bottom: 15px; }.page-keo-nha-cai__blog-card-description { font-size: 0.9em; color: #555; margin-bottom: 15px; }.page-keo-nha-cai__blog-card-link { display: inline-block; background-color: #2ecc71; color: #fff; padding: 8px 15px; border-radius: 5px; text-decoration: none; font-size: 0.9em; transition: background-color 0.3s ease; }.page-keo-nha-cai__blog-card-link:hover { background-color: #27ae60; }@media (max-width: 768px) { .page-keo-nha-cai__h1 { font-size: 2em; }.page-keo-nha-cai__h2 { font-size: 1.8em; }.page-keo-nha-cai__hero-section { padding: 80px 15px; }.page-keo-nha-cai__hero-subtitle { font-size: 1.2em; }.page-keo-nha-cai__cta-buttons { flex-direction: column; gap: 15px; }.page-keo-nha-cai__cta-button { width: 100% !important; box-sizing: border-box !important; }.page-keo-nha-cai__payment-providers { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 16px; }.page-keo-nha-cai__payment-logo, .page-keo-nha-cai__payment-logo img { width: 80px !important; height: 80px !important; max-width: 80px !important; max-height: 80px !important; }.page-keo-nha-cai__intro-grid, .page-keo-nha-cai__quick-links-grid, .page-keo-nha-cai__game-grid, .page-keo-nha-cai__promotion-grid, .page-keo-nha-cai__blog-grid { grid-template-columns: 1fr; gap: 20px; }.page-keo-nha-cai__section { padding: 30px 15px; }.page-keo-nha-cai__info-list { grid-template-columns: 1fr; gap: 15px; }.page-keo-nha-cai__info-item { width: 100% !important; max-width: 100% !important; box-sizing: border-box !important; margin-left: 0 !important; margin-right: 0 !important; padding: 15px !important; word-wrap: break-word !important; overflow-wrap: break-word !important; word-break: break-word !important; }.page-keo-nha-cai__faq-question { padding: 12px 15px; }.page-keo-nha-cai__faq-question h3 { font-size: 1.1em; }.page-keo-nha-cai__faq-answer { padding: 0 15px; }.page-keo-nha-cai__faq-item.active .page-keo-nha-cai__faq-answer { padding: 15px !important; }}