/* Tổng quan */
    .page-casino999 {
      font-family: 'Arial', sans-serif;
      color: #333;
      background-color: #f0f2f5;
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 80px; /* Dành chỗ cho nút khuyến mãi nổi */
    }

    /* Tiêu đề chính */
    .page-casino999__h1 {
      font-size: 2.2em;
      color: #0a4f8f;
      text-align: center;
      margin-bottom: 20px;
      padding: 0 15px;
    }
    .page-casino999__h2 {
      font-size: 1.8em;
      color: #0a4f8f;
      text-align: center;
      margin-top: 40px;
      margin-bottom: 25px;
      padding: 0 15px;
    }
    .page-casino999__h3 {
      font-size: 1.4em;
      color: #0a4f8f;
      margin-bottom: 15px;
    }

    /* Hero Section */
    .page-casino999__hero-section {
      position: relative;
      width: 100%;
      text-align: center;
      color: #fff;
      padding-top: 10px; /* Đảm bảo không bị che bởi header cố định */
      background-color: #001f3f; /* Màu nền dự phòng */
    }
    .page-casino999__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }
    .page-casino999__hero-content {
      padding: 20px 15px;
      background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0));
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      text-align: center;
    }
    .page-casino999__hero-title {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: #ffcc00;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }
    .page-casino999__hero-description {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #eee;
    }

    /* Container chung cho nội dung */
    .page-casino999__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px 15px;
    }

    /* Nút khuyến mãi nổi (Floating Promo Button) */
    .page-casino999__promo-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #ff4500; /* Màu cam nổi bật */
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap;
      text-align: center;
      display: block;
      animation: page-casino999__pulse 1.5s infinite;
    }
    .page-casino999__promo-button:hover {
      background-color: #e03e00;
      transform: translateX(-50%) scale(1.05);
    }
    @keyframes page-casino999__pulse {
      0% {
        transform: translateX(-50%) scale(1);
      }
      50% {
        transform: translateX(-50%) scale(1.03);
      }
      100% {
        transform: translateX(-50%) scale(1);
      }
    }

    /* Giới thiệu */
    .page-casino999__introduction-section {
      background-color: #fff;
      padding: 30px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      margin-top: 30px;
    }
    .page-casino999__introduction-text {
      font-size: 1.1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    /* Danh mục trò chơi (Game Categories) */
    .page-casino999__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }
    .page-casino999__game-card {
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding-bottom: 15px;
    }
    .page-casino999__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }
    .page-casino999__game-image {
      width: 100%;
      height: 150px;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }
    .page-casino999__game-title {
      font-size: 1.1em;
      font-weight: bold;
      color: #0a4f8f;
      margin: 15px 10px 0;
    }

    /* Tại sao chọn Casino 999 */
    .page-casino999__why-choose-section {
      background-color: #e6f2ff;
      padding: 30px 20px;
      border-radius: 8px;
      margin-top: 40px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    .page-casino999__feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }
    .page-casino999__feature-item {
      display: flex;
      align-items: flex-start;
      background-color: #fff;
      padding: 15px;
      border-radius: 5px;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
    }
    .page-casino999__feature-icon {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      margin-right: 15px;
      object-fit: contain;
      max-width: 100%;
    }
    .page-casino999__feature-text {
      font-size: 1em;
      color: #555;
    }

    /* Hướng dẫn đăng ký/đăng nhập */
    .page-casino999__guide-section {
      background-color: #fff;
      padding: 30px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      margin-top: 40px;
    }
    .page-casino999__guide-steps {
      display: grid;
      grid-template-columns: 1fr;
      gap: 25px;
    }
    .page-casino999__step-item {
      text-align: center;
    }
    .page-casino999__step-number {
      background-color: #0a4f8f;
      color: #fff;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5em;
      font-weight: bold;
      margin-bottom: 15px;
    }
    .page-casino999__step-title {
      font-size: 1.2em;
      font-weight: bold;
      color: #0a4f8f;
      margin-bottom: 10px;
    }
    .page-casino999__step-description {
      color: #555;
      font-size: 0.95em;
      text-align: justify;
    }
    .page-casino999__step-image {
      width: 100%;
      height: auto;
      max-width: 300px;
      margin-top: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-casino999__faq-section {
      background-color: #f9f9f9;
      padding: 30px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      margin-top: 40px;
    }
    .page-casino999__faq-item {
      margin-bottom: 10px;
      border: 1px solid #ddd;
      border-radius: 5px;
      overflow: hidden;
    }
    .page-casino999__faq-question {
      background-color: #fff;
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: #0a4f8f;
      transition: background-color 0.3s ease;
      user-select: none;
    }
    .page-casino999__faq-question:hover {
      background-color: #eef;
    }
    .page-casino999__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }
    .page-casino999__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn icon chặn sự kiện click */
      transition: transform 0.3s ease;
    }
    .page-casino999__faq-item.active .page-casino999__faq-toggle {
      transform: rotate(45deg); /* Chuyển '+' thành 'x' hoặc '-' */
    }
    .page-casino999__faq-answer {
      background-color: #fff;
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
      font-size: 0.95em;
    }
    .page-casino999__faq-item.active .page-casino999__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }
    .page-casino999__faq-answer p {
        margin: 0 0 10px 0;
    }
    .page-casino999__faq-answer p:last-child {
        margin-bottom: 0;
    }

    /* Nút CTA chung */
    .page-casino999__cta-button {
      display: block;
      width: fit-content;
      margin: 30px auto 0;
      background-color: #0a4f8f;
      color: #fff;
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }
    .page-casino999__cta-button:hover {
      background-color: #073a6b;
    }

    /* Responsive cho mobile */
    @media (max-width: 768px) {
      .page-casino999__hero-title {
        font-size: 1.8em;
      }
      .page-casino999__hero-description {
        font-size: 0.9em;
      }
      .page-casino999__h1 {
        font-size: 1.8em;
      }
      .page-casino999__h2 {
        font-size: 1.5em;
      }
      .page-casino999__h3 {
        font-size: 1.2em;
      }
      .page-casino999__container {
        padding: 15px;
      }
      .page-casino999__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-casino999__game-image {
        height: 100px;
      }
      .page-casino999__game-title {
        font-size: 1em;
      }
      .page-casino999__promo-button {
        width: 90%;
        font-size: 1em;
        padding: 12px 20px;
        bottom: 15px;
      }
      .page-casino999__feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-casino999__feature-icon {
        margin-right: 0;
        margin-bottom: 10px;
      }
      .page-casino999__faq-question {
        padding: 12px 15px;
      }
      .page-casino999__faq-question h3 {
        font-size: 1em;
      }
      .page-casino999__faq-toggle {
        font-size: 1.3em;
      }
      .page-casino999__faq-answer {
        padding: 15px 15px;
      }
      .page-casino999__faq-item.active .page-casino999__faq-answer {
        padding: 15px 15px !important;
      }

      /* Responsive images */
      .page-casino999 img {
        max-width: 100% !important;
        height: auto !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-casino999__hero-image {
        max-width: 100% !important;
        height: auto !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-casino999__game-image {
        max-width: 100% !important;
        height: auto !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-casino999__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-casino999__step-image {
        max-width: 100% !important;
        height: auto !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }