/* CSS cho trang win456 */
    :root {
      --page-win456-bg-color: #1a1a1a;
      --page-win456-text-color: #f0f0f0;
      --page-win456-accent-color-primary: #FFD700; /* Gold */
      --page-win456-accent-color-secondary: #00BFFF; /* Deep Sky Blue */
      --page-win456-dark-grey: #2a2a2a;
      --page-win456-light-grey: #cccccc;
    }

    .page-win456 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-win456-bg-color);
      color: var(--page-win456-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating button */
    }

    .page-win456-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-win456-hero {
      text-align: center;
      padding: 180px 0 40px; /* Top padding for safety zone */
      background-color: var(--page-win456-dark-grey);
      margin-bottom: 20px;
    }

    .page-win456-hero h1 {
      color: var(--page-win456-accent-color-primary);
      font-size: 2.2em;
      margin-bottom: 15px;
      padding: 0 10px;
    }

    .page-win456-hero p {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto 30px;
      padding: 0 15px;
    }

    .page-win456-hero-image {
      width: 100%;
      max-width: 700px; /* Ensure image is centered and not full width on desktop */
      height: auto;
      display: block;
      margin: 0 auto 20px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-win456-btn-primary {
      display: inline-block;
      background-color: var(--page-win456-accent-color-primary);
      color: var(--page-win456-bg-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-win456-btn-primary:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Sections general */
    .page-win456-section {
      padding: 40px 0;
      margin-bottom: 20px;
      background-color: var(--page-win456-dark-grey);
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-win456-section h2 {
      text-align: center;
      color: var(--page-win456-accent-color-secondary);
      font-size: 2em;
      margin-bottom: 30px;
      border-bottom: 2px solid var(--page-win456-accent-color-primary);
      display: inline-block;
      padding-bottom: 10px;
      margin-left: auto;
      margin-right: auto;
      width: fit-content;
      max-width: 90%;
    }

    /* Game Categories */
    .page-win456-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 0 15px;
    }

    .page-win456-game-card {
      background-color: var(--page-win456-bg-color);
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      padding: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      height: 100%; /* Ensure cards are same height */
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-win456-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    }

    .page-win456-game-card img {
      width: 100%;
      max-width: 120px;
      height: auto;
      border-radius: 5px;
      margin-bottom: 10px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-win456-game-card h3 {
      font-size: 1.2em;
      color: var(--page-win456-accent-color-primary);
      margin-bottom: 10px;
    }
    
    .page-win456-game-card h3 a {
        color: var(--page-win456-accent-color-primary);
        text-decoration: none;
    }

    .page-win456-game-card h3 a:hover {
        text-decoration: underline;
    }

    .page-win456-game-card p {
      font-size: 0.9em;
      color: var(--page-win456-light-grey);
    }

    /* Promotions */
    .page-win456-promo-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      padding: 0 15px;
    }

    .page-win456-promo-card {
      background-color: var(--page-win456-bg-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      width: 100%;
      max-width: 350px;
      transition: transform 0.2s ease;
    }

    .page-win456-promo-card:hover {
      transform: translateY(-5px);
    }

    .page-win456-promo-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-win456-promo-content {
      padding: 20px;
      text-align: center;
    }

    .page-win456-promo-content h3 {
      color: var(--page-win456-accent-color-primary);
      margin-bottom: 10px;
      font-size: 1.3em;
    }

    .page-win456-promo-content p {
      font-size: 0.95em;
      color: var(--page-win456-light-grey);
      margin-bottom: 15px;
    }

    /* Game Providers */
    .page-win456-provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      padding: 0 15px;
      justify-items: center;
      align-items: center;
    }

    .page-win456-provider-logo img {
      width: 100%;
      max-width: 100px;
      height: auto;
      filter: grayscale(80%) brightness(120%);
      transition: filter 0.3s ease;
    }

    .page-win456-provider-logo img:hover {
      filter: grayscale(0%) brightness(100%);
    }

    /* Why Choose Us */
    .page-win456-feature-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      padding: 0 15px;
    }

    .page-win456-feature-list li {
      background-color: var(--page-win456-bg-color);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      flex: 1 1 calc(50% - 20px); /* Two columns on mobile */
      max-width: 300px; /* Max width for desktop */
    }

    .page-win456-feature-list li strong {
      display: block;
      color: var(--page-win456-accent-color-primary);
      font-size: 1.2em;
      margin-bottom: 10px;
    }

    .page-win456-feature-list li p {
      color: var(--page-win456-light-grey);
      font-size: 0.95em;
    }

    /* Payment Methods */
    .page-win456-payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
      gap: 15px;
      padding: 0 15px;
      justify-items: center;
      align-items: center;
    }

    .page-win456-payment-logo img {
      width: 100%;
      max-width: 80px;
      height: auto;
      filter: grayscale(50%) brightness(110%);
      transition: filter 0.3s ease;
    }

    .page-win456-payment-logo img:hover {
      filter: grayscale(0%) brightness(100%);
    }

    /* Floating Button */
    .page-win456-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background-color: var(--page-win456-accent-color-secondary);
      color: var(--page-win456-bg-color);
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap; /* Prevent text wrapping */
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-win456-floating-button:hover {
      background-color: #0099cc;
      transform: translateX(-50%) translateY(-3px);
    }

    .page-win456-floating-button .icon {
        font-size: 1.2em;
    }

    /* General paragraphs */
    .page-win456-text-block {
      max-width: 900px;
      margin: 0 auto 20px;
      padding: 0 15px;
      text-align: justify;
      color: var(--page-win456-light-grey);
    }
    
    .page-win456-text-block strong {
        color: var(--page-win456-accent-color-primary);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-win456-hero h1 {
        font-size: 3em;
      }

      .page-win456-section h2 {
        font-size: 2.5em;
      }

      .page-win456-game-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .page-win456-feature-list li {
        flex: 1 1 calc(33.333% - 20px); /* Three columns on desktop */
      }
    }

    @media (min-width: 1024px) {
        .page-win456-game-grid {
            grid-template-columns: repeat(6, 1fr);
        }
    }