/* Tổng quan */
    :root {
      --page-c54nohu-primary-color: #f7931e; /* Màu cam đặc trưng của C54 */
      --page-c54nohu-secondary-color: #333;
      --page-c54nohu-background-dark: #1a1a1a;
      --page-c54nohu-background-light: #2c2c2c;
      --page-c54nohu-text-color-light: #f0f0f0;
      --page-c54nohu-text-color-dark: #ccc;
      --page-c54nohu-border-color: #444;
      --page-c54nohu-card-background: #242424;
      --page-c54nohu-hover-color: #ffb74d;
    }

    .page-c54nohu {
      font-family: 'Arial', sans-serif;
      color: var(--page-c54nohu-text-color-light);
      background-color: var(--page-c54nohu-background-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Tiêu đề chung */
    .page-c54nohu__section-title {
      font-size: 2.5em;
      color: var(--page-c54nohu-primary-color);
      text-align: center;
      margin-bottom: 40px;
      padding-top: 20px;
      position: relative;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-c54nohu__section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 3px;
      background-color: var(--page-c54nohu-primary-color);
      margin: 10px auto 0;
    }

    /* Nút hành động */
    .page-c54nohu__cta-button {
      display: inline-block;
      background-color: var(--page-c54nohu-primary-color);
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-c54nohu__cta-button:hover {
      background-color: var(--page-c54nohu-hover-color);
      transform: translateY(-3px);
    }

    /* Hero Section */
    .page-c54nohu__hero-section {
      position: relative;
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), var(--page-c54nohu-background-dark);
      padding: 100px 20px;
      text-align: center;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 60vh;
      padding-top: var(--header-offset, 120px); /* Đảm bảo nội dung không bị che bởi header */
      overflow: hidden;
    }

    .page-c54nohu__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6);
    }

    .page-c54nohu__hero-content {
      max-width: 900px;
      z-index: 1;
      animation: fadeIn 1s ease-out;
    }

    .page-c54nohu__hero-title {
      font-size: 3.8em;
      color: #fff;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      font-weight: bold;
      line-height: 1.2;
    }

    .page-c54nohu__hero-description {
      font-size: 1.3em;
      color: var(--page-c54nohu-text-color-dark);
      margin-bottom: 40px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* General Section Styling */
    .page-c54nohu__section {
      padding: 60px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-c54nohu__section:nth-of-type(even) {
      background-color: var(--page-c54nohu-background-light);
    }

    .page-c54nohu__text-block {
      margin-bottom: 30px;
      font-size: 1.1em;
      color: var(--page-c54nohu-text-color-dark);
    }

    .page-c54nohu__text-block strong {
      color: var(--page-c54nohu-primary-color);
    }

    /* Image Styling */
    .page-c54nohu__image-container {
      margin: 40px auto;
      max-width: 800px;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
      background-color: var(--page-c54nohu-card-background);
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      box-sizing: border-box;
    }

    .page-c54nohu__image-container img {
      max-width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-c54nohu__image-container img:hover {
      transform: scale(1.02);
    }

    /* Features Grid */
    .page-c54nohu__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-c54nohu__feature-item {
      background-color: var(--page-c54nohu-card-background);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box;
      width: 100%; /* Ensure width is 100% for grid item */
    }

    .page-c54nohu__feature-item:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    }

    .page-c54nohu__feature-icon {
      width: 100px; /* Min 200px requirement applies to actual image, not container */
      height: 100px; /* These are for placeholder styling */
      margin-bottom: 20px;
      border-radius: 50%;
      background-color: var(--page-c54nohu-primary-color);
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 2em;
      color: #fff;
    }
    
    .page-c54nohu__feature-icon img {
      max-width: 100%;
      height: auto;
      border-radius: 50%; /* Make sure images within icon containers are also rounded */
    }

    .page-c54nohu__feature-title {
      font-size: 1.6em;
      color: var(--page-c54nohu-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
      text-align: center;
    }

    .page-c54nohu__feature-description {
      font-size: 1em;
      color: var(--page-c54nohu-text-color-dark);
      text-align: center;
    }

    /* Game Providers */
    .page-c54nohu__game-providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
      align-items: center;
      justify-content: center;
    }

    .page-c54nohu__provider-logo {
      background-color: var(--page-c54nohu-card-background);
      padding: 15px;
      border-radius: 8px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-c54nohu__provider-logo:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    }

    .page-c54nohu__provider-logo img {
      max-width: 100%;
      max-height: 80%;
      height: auto;
      object-fit: contain;
    }

    /* How to Play Steps */
    .page-c54nohu__how-to-play-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-c54nohu__step-item {
      background-color: var(--page-c54nohu-card-background);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box;
      width: 100%;
    }

    .page-c54nohu__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-c54nohu-primary-color);
      margin-bottom: 15px;
      background-color: var(--page-c54nohu-background-dark);
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      border: 2px solid var(--page-c54nohu-primary-color);
    }

    .page-c54nohu__step-title {
      font-size: 1.6em;
      color: var(--page-c54nohu-text-color-light);
      margin-bottom: 10px;
      font-weight: bold;
      text-align: center;
    }

    .page-c54nohu__step-text {
      font-size: 1em;
      color: var(--page-c54nohu-text-color-dark);
      text-align: center;
    }

    /* Promotions Section */
    .page-c54nohu__promotions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-c54nohu__promotion-card {
      background-color: var(--page-c54nohu-card-background);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      box-sizing: border-box;
      width: 100%;
    }

    .page-c54nohu__promotion-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    }

    .page-c54nohu__promotion-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-c54nohu__promotion-content {
      padding: 25px;
    }

    .page-c54nohu__promotion-title {
      font-size: 1.5em;
      color: var(--page-c54nohu-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-c54nohu__promotion-description {
      font-size: 0.95em;
      color: var(--page-c54nohu-text-color-dark);
      margin-bottom: 20px;
    }

    /* FAQ Section */
    .page-c54nohu__faq-section {
      text-align: left;
    }

    .page-c54nohu__faq-container {
      margin-top: 40px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-c54nohu__faq-item {
      background-color: var(--page-c54nohu-card-background);
      border: 1px solid var(--page-c54nohu-border-color);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-c54nohu__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: var(--page-c54nohu-background-light);
      color: var(--page-c54nohu-text-color-light);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-c54nohu__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-c54nohu-text-color-light);
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-c54nohu__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-c54nohu__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-c54nohu-primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent */
    }

    .page-c54nohu__faq-item.active .page-c54nohu__faq-toggle {
      transform: rotate(45deg);
    }

    .page-c54nohu__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--page-c54nohu-text-color-dark);
      background-color: var(--page-c54nohu-card-background);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-c54nohu__faq-item.active .page-c54nohu__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to cover content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-c54nohu__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-c54nohu__hero-title {
        font-size: 3em;
      }
      .page-c54nohu__hero-description {
        font-size: 1.1em;
      }
      .page-c54nohu__section-title {
        font-size: 2em;
      }
      .page-c54nohu__features-grid,
      .page-c54nohu__how-to-play-grid,
      .page-c54nohu__promotions-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
    }

    @media (max-width: 768px) {
      .page-c54nohu__hero-section {
        padding: 80px 15px;
        min-height: 50vh;
      }
      .page-c54nohu__hero-title {
        font-size: 2.5em;
      }
      .page-c54nohu__hero-description {
        font-size: 1em;
      }
      .page-c54nohu__section {
        padding: 40px 15px;
      }
      .page-c54nohu__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .page-c54nohu__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-c54nohu__features-grid,
      .page-c54nohu__how-to-play-grid,
      .page-c54nohu__promotions-grid,
      .page-c54nohu__game-providers-grid {
        grid-template-columns: 1fr !important; /* Force single column */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-c54nohu__feature-item,
      .page-c54nohu__step-item,
      .page-c54nohu__promotion-card,
      .page-c54nohu__provider-logo {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-c54nohu__image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-c54nohu__image-container img {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-c54nohu__faq-question, .page-c54nohu__faq-answer {
        padding: 15px 20px;
      }
      .page-c54nohu__faq-question h3 {
        font-size: 1.1em;
      }
      .page-c54nohu__faq-answer p {
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
      .page-c54nohu__hero-title {
        font-size: 2em;
      }
      .page-c54nohu__hero-description {
        font-size: 0.9em;
      }
      .page-c54nohu__section-title {
        font-size: 1.6em;
      }
      .page-c54nohu__feature-title, .page-c54nohu__step-title {
        font-size: 1.4em;
      }
      .page-c54nohu__promotion-title {
        font-size: 1.3em;
      }
    }

    /* Keyframe Animations */
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }