:root {
      --page-pg66games-primary-color: #ffcc00; /* Vàng rực */
      --page-pg66games-secondary-color: #e62e2e; /* Đỏ mạnh */
      --page-pg66games-dark-bg: #1a1a1a; /* Nền tối */
      --page-pg66games-light-text: #ffffff; /* Chữ trắng */
      --page-pg66games-dark-text: #333333; /* Chữ tối */
      --page-pg66games-accent-color: #4CAF50; /* Xanh lá */
      --page-pg66games-border-color: #444444; /* Viền xám tối */
      --page-pg66games-shadow-color: rgba(0, 0, 0, 0.5);
    }

    .page-pg66games {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-pg66games-dark-bg);
      color: var(--page-pg66games-light-text);
      line-height: 1.6;
      overflow-x: hidden;
      box-sizing: border-box;
    }

    .page-pg66games__section {
      padding: 20px 15px;
      margin-bottom: 20px;
      background-color: #2a2a2a;
      border-radius: 10px;
      box-shadow: 0 4px 15px var(--page-pg66games-shadow-color);
      box-sizing: border-box;
    }

    .page-pg66games__section-title {
      color: var(--page-pg66games-primary-color);
      text-align: center;
      margin-bottom: 25px;
      font-size: 2em;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-pg66games__section-title span {
      color: var(--page-pg66games-secondary-color);
    }

    .page-pg66games__text-content {
      font-size: 1.1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-pg66games__text-content strong {
      color: var(--page-pg66games-primary-color);
    }

    .page-pg66games__button {
      display: inline-block;
      background-color: var(--page-pg66games-secondary-color);
      color: var(--page-pg66games-light-text);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-align: center;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    }

    .page-pg66games__button:hover {
      background-color: #ff4d4d;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-pg66games__hero-section {
      position: relative;
      background-color: #000;
      padding-top: 10px; /* Fixed header spacing */
      padding-bottom: 40px;
      text-align: center;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-pg66games__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-pg66games__hero-image {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
      max-width: 100%; /* Ensure responsive */
    }

    .page-pg66games__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 15px;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-pg66games__hero-title {
      font-size: 2.5em;
      color: var(--page-pg66games-primary-color);
      margin-bottom: 15px;
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
    }

    .page-pg66games__hero-subtitle {
      font-size: 1.2em;
      color: var(--page-pg66games-light-text);
      margin-bottom: 30px;
      opacity: 0.9;
    }

    /* Floating Login Button */
    .page-pg66games__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 350px;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0% {
        transform: translateX(-50%) scale(1);
        box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.7);
      }
      70% {
        transform: translateX(-50%) scale(1.05);
        box-shadow: 0 0 0 15px rgba(255, 204, 0, 0);
      }
      100% {
        transform: translateX(-50%) scale(1);
        box-shadow: 0 0 0 0 rgba(255, 204, 0, 0);
      }
    }

    /* Game Categories */
    .page-pg66games__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-pg66games__game-card {
      background-color: #333;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: var(--page-pg66games-light-text);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .page-pg66games__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    }

    .page-pg66games__game-card-image-container {
      width: 100%;
      padding-top: 75%; /* 4:3 Aspect Ratio */
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-pg66games__game-card-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Ensure responsive */
    }

    .page-pg66games__game-card-title {
      font-size: 1.1em;
      font-weight: bold;
      padding: 15px 10px;
      color: var(--page-pg66games-primary-color);
      background-color: #333;
      border-top: 1px solid var(--page-pg66games-border-color);
    }

    /* Promotions */
    .page-pg66games__promotion-list {
      list-style: none;
      padding: 0;
    }

    .page-pg66games__promotion-item {
      background-color: #333;
      border-left: 5px solid var(--page-pg66games-secondary-color);
      padding: 15px;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-pg66games__promotion-item h3 {
      color: var(--page-pg66games-primary-color);
      margin-top: 0;
      font-size: 1.3em;
    }

    .page-pg66games__promotion-item p {
      margin-bottom: 0;
      color: var(--page-pg66games-light-text);
    }

    /* Guide Steps */
    .page-pg66games__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-pg66games__step-item {
      background-color: #333;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }

    .page-pg66games__step-number {
      background-color: var(--page-pg66games-primary-color);
      color: var(--page-pg66games-dark-bg);
      width: 35px;
      height: 35px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
    }

    .page-pg66games__step-content h3 {
      color: var(--page-pg66games-secondary-color);
      margin-top: 0;
      font-size: 1.2em;
    }

    .page-pg66games__step-content p {
      margin-bottom: 0;
      color: var(--page-pg66games-light-text);
    }

    /* FAQ Section */
    .page-pg66games__faq-list {
      list-style: none;
      padding: 0;
    }

    .page-pg66games__faq-item {
      background-color: #333;
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-pg66games__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #444;
      color: var(--page-pg66games-light-text);
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-pg66games__faq-question:hover {
      background-color: #555;
    }

    .page-pg66games__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-pg66games-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-pg66games__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      color: var(--page-pg66games-secondary-color);
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-pg66games__faq-item.active .page-pg66games__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-pg66games__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #2a2a2a;
      color: var(--page-pg66games-light-text);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-pg66games__faq-item.active .page-pg66games__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    .page-pg66games__faq-answer p {
      margin-bottom: 0;
      font-size: 1em;
    }

    /* Why Choose Section */
    .page-pg66games__why-choose-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .page-pg66games__why-choose-item {
      background-color: #333;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      border-left: 5px solid var(--page-pg66games-primary-color);
    }

    .page-pg66games__why-choose-item h3 {
      color: var(--page-pg66games-secondary-color);
      margin-top: 0;
      font-size: 1.2em;
    }

    .page-pg66games__why-choose-item p {
      margin-bottom: 0;
      color: var(--page-pg66games-light-text);
    }

    /* Floating Ad Menu */
    .page-pg66games__floating-ad-menu {
      position: fixed;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-pg66games__ad-item {
      background-color: var(--page-pg66games-secondary-color);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-decoration: none;
      color: var(--page-pg66games-light-text);
      font-size: 0.8em;
      font-weight: bold;
      text-align: center;
      line-height: 1.2;
    }

    .page-pg66games__ad-item:hover {
      background-color: #ff4d4d;
      transform: scale(1.1);
    }

    .page-pg66games__ad-item--icon {
      font-size: 1.5em;
    }

    /* Responsive Images */
    .page-pg66games img {
      max-width: 100%;
      height: auto;
      display: block;
      box-sizing: border-box;
    }

    .page-pg66games__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    /* Media Queries for Mobile */
    @media (max-width: 768px) {
      .page-pg66games__section {
        padding: 15px 10px;
        margin-bottom: 15px;
      }

      .page-pg66games__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
      }

      .page-pg66games__hero-section {
        padding-top: 10px !important; /* Ensure spacing on mobile */
        padding-bottom: 30px;
      }

      .page-pg66games__hero-title {
        font-size: 2em;
      }

      .page-pg66games__hero-subtitle {
        font-size: 1em;
      }

      .page-pg66games__button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-pg66games__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }

      .page-pg66games__game-card-title {
        font-size: 1em;
        padding: 10px 5px;
      }

      .page-pg66games__promotion-item h3,
      .page-pg66games__step-content h3,
      .page-pg66games__why-choose-item h3 {
        font-size: 1.1em;
      }

      .page-pg66games__faq-question {
        padding: 12px 15px;
      }

      .page-pg66games__faq-question h3 {
        font-size: 1em;
      }

      .page-pg66games__faq-answer {
        padding: 0 15px;
      }

      .page-pg66games__faq-item.active .page-pg66games__faq-answer {
        padding: 15px !important;
      }

      .page-pg66games__floating-ad-menu {
        right: 10px;
        gap: 8px;
      }

      .page-pg66games__ad-item {
        width: 45px;
        height: 45px;
        font-size: 0.75em;
      }

      .page-pg66games__ad-item--icon {
        font-size: 1.3em;
      }

      .page-pg66games img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-pg66games__image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (min-width: 769px) {
        .page-pg66games__game-categories {
            grid-template-columns: repeat(4, 1fr); /* Desktop: 4 columns */
        }
        .page-pg66games__floating-ad-menu {
            display: none; /* Hide floating ad menu on desktop */
        }
    }