.page-x-s {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
}

.page-x-s__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-x-s__hero {
  background: linear-gradient(135deg, #003366 0%, #FFCC00 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-x-s__hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 204, 0, 0.2) 0%, rgba(0, 51, 102, 0) 70%);
  opacity: 0.3;
  animation: page-x-s__rotate 20s linear infinite;
}

@keyframes page-x-s__rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.page-x-s__hero .page-x-s__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-x-s__hero-content h1 {
  font-size: 3.5em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #FFCC00; /* Vàng làm nổi bật tiêu đề */
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-x-s__hero-content p {
  font-size: 1.2em;
  margin-bottom: 30px;
  max-width: 800px;
}

.page-x-s__cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.page-x-s__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 1em;
}

.page-x-s__btn--primary {
  background-color: #FFCC00;
  color: #003366;
  box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
}

.page-x-s__btn--primary:hover {
  background-color: #e6b800;
  transform: translateY(-2px);
}

.page-x-s__btn--secondary {
  background-color: transparent;
  color: #FFCC00;
  border: 2px solid #FFCC00;
}

.page-x-s__btn--secondary:hover {
  background-color: rgba(255, 204, 0, 0.1);
  transform: translateY(-2px);
}

.page-x-s__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  border-radius: 5px;
}

.page-x-s__btn--large {
  padding: 18px 40px;
  font-size: 1.2em;
  border-radius: 10px;
}

.page-x-s__hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-x-s__features, .page-x-s__games, .page-x-s__soi-cau, .page-x-s__guide, .page-x-s__responsibility, .page-x-s__faq, .page-x-s__call-to-action {
  padding: 60px 0;
  text-align: center;
}

.page-x-s__features h2, .page-x-s__games h2, .page-x-s__soi-cau h2, .page-x-s__guide h2, .page-x-s__responsibility h2, .page-x-s__faq h2, .page-x-s__call-to-action h2 {
  font-size: 2.8em;
  color: #003366;
  margin-bottom: 50px;
  position: relative;
  padding-bottom: 15px;
}

.page-x-s__features h2::after, .page-x-s__games h2::after, .page-x-s__soi-cau h2::after, .page-x-s__guide h2::after, .page-x-s__responsibility h2::after, .page-x-s__faq h2::after, .page-x-s__call-to-action h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFCC00;
  border-radius: 2px;
}

.page-x-s__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-x-s__feature-item {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-x-s__feature-item:hover {
  transform: translateY(-5px);
}

.page-x-s__feature-item img {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.page-x-s__feature-item h3 {
  font-size: 1.5em;
  color: #003366;
  margin-bottom: 15px;
}

.page-x-s__feature-item p {
  color: #555;
}

.page-x-s__games p {
  font-size: 1.1em;
  margin-bottom: 40px;
  color: #555;
}

.page-x-s__game-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 40px;
}

.page-x-s__tab-btn {
  background-color: #e0e0e0;
  color: #003366;
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  transition: all 0.3s ease;
}

.page-x-s__tab-btn.active, .page-x-s__tab-btn:hover {
  background-color: #FFCC00;
  color: #003366;
  box-shadow: 0 3px 10px rgba(255, 204, 0, 0.3);
}

.page-x-s__tab-content {
  display: none;
  text-align: left;
  background-color: #f9f9f9;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  margin-top: 30px;
}

.page-x-s__tab-content.active {
  display: block;
}

.page-x-s__tab-content h3 {
  font-size: 2em;
  color: #003366;
  margin-bottom: 20px;
}

.page-x-s__tab-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.page-x-s__tab-content p {
  font-size: 1.05em;
  color: #444;
  margin-bottom: 25px;
}

.page-x-s__soi-cau ul {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-x-s__soi-cau li {
  background-color: #fff;
  margin-bottom: 15px;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 15px;
}

.page-x-s__soi-cau li strong {
  color: #003366;
  font-size: 1.1em;
}

.page-x-s__soi-cau p {
  color: #555;
  font-size: 1.1em;
  margin-bottom: 30px;
}

.page-x-s__guide {
  background-color: #f0f4f8;
}

.page-x-s__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-x-s__step-item {
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.page-x-s__step-item img {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
}

.page-x-s__step-item h4 {
  font-size: 1.4em;
  color: #003366;
  margin-bottom: 15px;
}

.page-x-s__step-item p {
  color: #555;
  font-size: 0.95em;
  margin-bottom: 20px;
}

.page-x-s__step-item a {
  color: #003366;
  font-weight: bold;
  text-decoration: underline;
}

.page-x-s__step-item a:hover {
  color: #FFCC00;
}

.page-x-s__responsibility {
  background-color: #003366;
  color: #fff;
}

.page-x-s__responsibility h2 {
  color: #FFCC00;
}

.page-x-s__responsibility p {
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 30px auto;
}

.page-x-s__responsibility img {
  max-width: 300px;
  height: auto;
  margin-bottom: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-x-s__faq {
  background-color: #fff;
}

.page-x-s__accordion {
  max-width: 800px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-x-s__accordion-item {
  border: 1px solid #eee;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-x-s__accordion-header {
  background-color: #f0f4f8;
  color: #003366;
  padding: 18px 25px;
  width: 100%;
  text-align: left;
  border: none;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  transition: background-color 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-x-s__accordion-header:hover {
  background-color: #e0e7ee;
}

.page-x-s__accordion-header::after {
  content: '+';
  font-size: 1.5em;
  transition: transform 0.3s ease;
}

.page-x-s__accordion-header.active::after {
  content: '-';
  transform: rotate(180deg);
}

.page-x-s__accordion-content {
  padding: 0 25px;
  background-color: #fff;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.page-x-s__accordion-content.active {
  max-height: 200px; /* Adjust as needed */
  padding: 15px 25px 25px 25px;
}

.page-x-s__accordion-content p {
  color: #555;
  font-size: 1em;
  margin-bottom: 10px;
}

.page-x-s__accordion-content a {
  color: #003366;
  font-weight: bold;
  text-decoration: underline;
}

.page-x-s__accordion-content a:hover {
  color: #FFCC00;
}

.page-x-s__call-to-action {
  background: linear-gradient(90deg, #003366, #0055aa);
  color: #fff;
  padding: 80px 0;
}

.page-x-s__call-to-action h2 {
  color: #FFCC00;
}

.page-x-s__call-to-action p {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .page-x-s__hero-content h1 {
    font-size: 2.8em;
  }
  .page-x-s__hero-content p {
    font-size: 1.1em;
  }
  .page-x-s__features h2, .page-x-s__games h2, .page-x-s__soi-cau h2, .page-x-s__guide h2, .page-x-s__responsibility h2, .page-x-s__faq h2, .page-x-s__call-to-action h2 {
    font-size: 2.2em;
  }
}

@media (max-width: 768px) {
  .page-x-s__hero {
    padding: 80px 0;
  }
  .page-x-s__hero .page-x-s__container {
    flex-direction: column;
  }
  .page-x-s__hero-image {
    margin-top: 40px;
  }
  .page-x-s__hero-content h1 {
    font-size: 2.2em;
  }
  .page-x-s__hero-content p {
    font-size: 1em;
  }
  .page-x-s__cta-group {
    flex-direction: column;
    gap: 15px;
  }
  .page-x-s__btn {
    width: 100%;
    max-width: 280px;
  }
  .page-x-s__features, .page-x-s__games, .page-x-s__soi-cau, .page-x-s__guide, .page-x-s__responsibility, .page-x-s__faq, .page-x-s__call-to-action {
    padding: 40px 0;
  }
  .page-x-s__features h2, .page-x-s__games h2, .page-x-s__soi-cau h2, .page-x-s__guide h2, .page-x-s__responsibility h2, .page-x-s__faq h2, .page-x-s__call-to-action h2 {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-x-s__game-tabs {
    flex-direction: column;
    align-items: center;
  }
  .page-x-s__tab-btn {
    width: 100%;
    max-width: 250px;
  }
  .page-x-s__tab-content {
    padding: 25px;
  }
  .page-x-s__guide-steps {
    grid-template-columns: 1fr;
  }
  .page-x-s__accordion-header {
    font-size: 1em;
    padding: 15px 20px;
  }
  .page-x-s__accordion-content {
    padding: 10px 20px 20px 20px;
  }
}

@media (max-width: 480px) {
  .page-x-s__hero-content h1 {
    font-size: 1.8em;
  }
  .page-x-s__features h2, .page-x-s__games h2, .page-x-s__soi-cau h2, .page-x-s__guide h2, .page-x-s__responsibility h2, .page-x-s__faq h2, .page-x-s__call-to-action h2 {
    font-size: 1.5em;
  }
  .page-x-s__btn--large {
    font-size: 1em;
    padding: 15px 30px;
  }
  .page-x-s__hero-image img {
    border-radius: 10px;
  }
}