/* Tổng thể */
    .page-vip66 {
      font-family: 'Arial', sans-serif;
      background-color: #000000;
      color: #FFFFFF;
      line-height: 1.6;
      padding-bottom: 80px; /* Dành chỗ cho nút nổi */
    }

    .page-vip66__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-vip66__section {
      padding: 40px 0;
    }

    .page-vip66__section-title {
      color: #FFD700;
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-vip66__text-center {
      text-align: center;
    }

    .page-vip66__button {
      display: inline-block;
      background-color: #FFD700;
      color: #000000;
      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-vip66__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-vip66__hero-section {
      background-color: #1a1a1a;
      padding-top: 160px; /* Dành chỗ cho header cố định */
      text-align: center;
      padding-bottom: 40px;
    }

    .page-vip66__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      margin-bottom: 20px;
      min-width: 200px;
      min-height: 200px;
    }

    .page-vip66__hero-content {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-vip66__hero-title {
      color: #FFD700;
      font-size: 3em;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-vip66__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    /* Floating Login Button */
    .page-vip66__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: center;
      z-index: 1000;
    }

    .page-vip66__floating-button {
      background-color: #FFD700;
      color: #000000;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-vip66__pulse 2s infinite;
      border: none;
      cursor: pointer;
    }

    .page-vip66__floating-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
    }

    @keyframes page-vip66__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game Categories */
    .page-vip66__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-vip66__game-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      padding: 15px;
    }

    .page-vip66__game-item:hover {
      transform: translateY(-5px);
    }

    .page-vip66__game-item-image {
      width: 100%;
      height: 150px; /* Fixed height for consistency */
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 10px;
      min-width: 200px;
      min-height: 200px;
    }

    .page-vip66__game-item-title {
      color: #FFD700;
      font-size: 1.1em;
      margin-bottom: 5px;
    }

    .page-vip66__game-item-description {
      font-size: 0.9em;
      color: #CCCCCC;
    }

    /* Featured Games */
    .page-vip66__featured-game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-vip66__featured-game-card:last-child {
      margin-bottom: 0;
    }

    .page-vip66__featured-game-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 20px;
      min-width: 200px;
      min-height: 200px;
    }

    .page-vip66__featured-game-title {
      color: #FFD700;
      font-size: 2em;
      margin-bottom: 15px;
    }

    .page-vip66__featured-game-description {
      color: #e0e0e0;
      margin-bottom: 20px;
      font-size: 1.1em;
    }

    /* Promotions */
    .page-vip66__promo-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-vip66__promo-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
      padding-bottom: 20px;
      transition: transform 0.3s ease;
    }

    .page-vip66__promo-item:hover {
      transform: translateY(-5px);
    }

    .page-vip66__promo-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      margin-bottom: 15px;
      min-width: 200px;
      min-height: 200px;
    }

    .page-vip66__promo-title {
      color: #FFD700;
      font-size: 1.4em;
      margin-bottom: 10px;
      padding: 0 15px;
    }

    .page-vip66__promo-description {
      color: #CCCCCC;
      font-size: 0.95em;
      margin-bottom: 20px;
      padding: 0 15px;
    }

    /* Game Providers */
    .page-vip66__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-vip66__provider-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-vip66__provider-logo {
      max-width: 100%;
      height: auto;
      max-height: 80px; /* Limit logo height */
      object-fit: contain;
      min-width: 200px; /* Ensure minimum size */
      min-height: 200px; /* Ensure minimum size */
    }

    /* Guide Section */
    .page-vip66__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }

    .page-vip66__guide-step {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-vip66__guide-step-title {
      color: #FFD700;
      font-size: 1.5em;
      margin-bottom: 10px;
    }

    .page-vip66__guide-step-content {
      color: #e0e0e0;
    }

    /* FAQ Section */
    .page-vip66__faq-list {
      margin-top: 30px;
    }

    .page-vip66__faq-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      margin-bottom: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .page-vip66__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #2a2a2a;
      border-bottom: 1px solid #3a3a3a;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-vip66__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-vip66__faq-question h3 {
      margin: 0;
      color: #FFD700;
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-vip66__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #FFD700;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-vip66__faq-item.active .page-vip66__faq-toggle {
      transform: rotate(45deg); /* Plus to X */
    }

    .page-vip66__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: #e0e0e0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-vip66__faq-item.active .page-vip66__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Social Media */
    .page-vip66__social-links {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 30px;
    }

    .page-vip66__social-link {
      background-color: #1a1a1a;
      border-radius: 50%;
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .page-vip66__social-link:hover {
      transform: translateY(-3px);
      background-color: #3a3a3a;
    }

    .page-vip66__social-icon {
      width: 40px;
      height: 40px;
      object-fit: contain;
      min-width: 200px; /* Ensure minimum size for image placeholder */
      min-height: 200px; /* Ensure minimum size for image placeholder */
      max-width: 100%;
      height: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-vip66__hero-section {
        padding-top: 160px; /* Adjust for mobile header */
      }
      .page-vip66__hero-title {
        font-size: 2.2em;
      }
      .page-vip66__hero-description {
        font-size: 1em;
      }
      .page-vip66__section-title {
        font-size: 2em;
      }
      .page-vip66__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
      .page-vip66__promo-list {
        grid-template-columns: 1fr;
      }
      .page-vip66__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-vip66__faq-question {
        padding: 15px 20px;
      }
      .page-vip66__faq-question h3 {
        font-size: 1.1em;
      }
      .page-vip66__faq-answer {
        padding: 0 20px;
      }
      .page-vip66__faq-item.active .page-vip66__faq-answer {
        padding: 15px 20px !important;
      }
      .page-vip66__button, .page-vip66__floating-button {
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-vip66__game-item-image {
        height: 120px;
      }
      .page-vip66__promo-image {
        height: 150px;
      }
      .page-vip66__social-link {
        width: 50px;
        height: 50px;
      }
      .page-vip66__social-icon {
        width: 30px;
        height: 30px;
      }
      /* Image responsive optimization for mobile */
      .page-vip66 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-vip66__hero-image,
      .page-vip66__game-item-image,
      .page-vip66__featured-game-image,
      .page-vip66__promo-image,
      .page-vip66__provider-logo,
      .page-vip66__social-icon {
        width: 100%;
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box;
      }
      .page-vip66__hero-image,
      .page-vip66__game-item-image,
      .page-vip66__featured-game-image,
      .page-vip66__promo-image,
      .page-vip66__provider-logo,
      .page-vip66__social-icon {
        min-width: 200px !important; /* Enforce minimum size on mobile too */
        min-height: 200px !important; /* Enforce minimum size on mobile too */
      }
    }