/* Tổng thể */
    .page-rr88dang {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: #000; /* Nền đen */
      color: #fff; /* Chữ trắng */
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 80px; /* Cho nút nổi */
    }

    .page-rr88dang__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-rr88dang__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-rr88dang__heading {
      color: #FFD700; /* Chữ vàng */
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-rr88dang__sub-heading {
      color: #FFD700;
      margin-top: 30px;
      margin-bottom: 15px;
      font-size: 1.8em;
      font-weight: 600;
    }

    .page-rr88dang__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #fff;
    }

    .page-rr88dang__button {
      display: inline-block;
      background-color: #FFD700; /* Nút vàng */
      color: #000; /* Chữ đen trên nút */
      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-rr88dang__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-rr88dang__hero-section {
      background-color: #000;
      padding-top: 160px; /* Safe zone cho header cố định */
      padding-bottom: 40px;
      text-align: center;
      position: relative;
    }

    .page-rr88dang__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    }

    .page-rr88dang__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
    }

    .page-rr88dang__hero-title {
      font-size: 3.2em;
      color: #FFD700;
      margin-top: 20px;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-rr88dang__hero-description {
      font-size: 1.3em;
      color: #fff;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Login Button */
    .page-rr88dang__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: #FFD700;
      color: #000;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      animation: page-rr88dang__pulse 2s infinite;
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }

    .page-rr88dang__floating-button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
      animation: none;
    }

    @keyframes page-rr88dang__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game Categories */
    .page-rr88dang__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-rr88dang__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
      color: #fff;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-rr88dang__game-card:hover {
      transform: translateY(-10px);
    }

    .page-rr88dang__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-rr88dang__game-card-title {
      font-size: 1.4em;
      color: #FFD700;
      margin: 15px 10px 10px;
      text-decoration: none; /* Ensure link text is styled */
    }

    .page-rr88dang__game-card-title a {
      color: #FFD700;
      text-decoration: none;
    }
    .page-rr88dang__game-card-title a:hover {
      text-decoration: underline;
    }


    .page-rr88dang__game-card-description {
      font-size: 0.95em;
      color: #ccc;
      padding: 0 15px;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    /* Promotion Section */
    .page-rr88dang__promo-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 30px;
      margin-bottom: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-rr88dang__promo-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
    }

    .page-rr88dang__promo-title {
      font-size: 2em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-rr88dang__promo-description {
      font-size: 1.1em;
      color: #fff;
      margin-bottom: 20px;
    }

    /* Guides Section */
    .page-rr88dang__guide-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-rr88dang__guide-item {
      background-color: #1a1a1a;
      border-left: 5px solid #FFD700;
      padding: 20px;
      border-radius: 8px;
      text-align: left;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    }

    .page-rr88dang__guide-item-title {
      color: #FFD700;
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-rr88dang__guide-item-text {
      color: #ccc;
      font-size: 1em;
    }

    /* FAQ Section */
    .page-rr88dang__faq-section {
      background-color: #000;
      padding: 60px 0;
      text-align: center;
    }

    .page-rr88dang__faq-list {
      max-width: 800px;
      margin: 30px auto 0;
      text-align: left;
    }

    .page-rr88dang__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-rr88dang__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #222;
      color: #fff;
      font-size: 1.2em;
      font-weight: 600;
      border-bottom: 1px solid #333;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-rr88dang__faq-question:hover {
      background-color: #333;
    }

    .page-rr88dang__faq-question h3 {
      margin: 0;
      color: #FFD700;
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
    }

    .page-rr88dang__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      color: #FFD700;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-rr88dang__faq-item.active .page-rr88dang__faq-toggle {
      transform: rotate(45deg);
    }

    .page-rr88dang__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: #ccc;
      font-size: 1em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      background-color: #1a1a1a;
    }

    .page-rr88dang__faq-item.active .page-rr88dang__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-rr88dang__hero-section {
        padding-top: 100px; /* Điều chỉnh cho di động */
      }
      .page-rr88dang__hero-title {
        font-size: 2.2em;
      }
      .page-rr88dang__hero-description {
        font-size: 1em;
      }
      .page-rr88dang__heading {
        font-size: 2em;
      }
      .page-rr88dang__sub-heading {
        font-size: 1.5em;
      }
      .page-rr88dang__text {
        font-size: 0.95em;
      }
      .page-rr88dang__button {
        padding: 10px 20px;
        font-size: 1em;
      }
      .page-rr88dang__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
        gap: 5px;
      }
      .page-rr88dang__game-grid {
        grid-template-columns: 1fr;
      }
      .page-rr88dang__guide-list {
        grid-template-columns: 1fr;
      }
      .page-rr88dang__promo-title {
        font-size: 1.5em;
      }
      .page-rr88dang__faq-question {
        font-size: 1em;
        padding: 15px 15px;
      }
      .page-rr88dang__faq-question h3 {
        font-size: 1em;
      }
      .page-rr88dang__faq-answer {
        padding: 0 15px;
      }
      .page-rr88dang__faq-item.active .page-rr88dang__faq-answer {
        padding: 15px 15px !important;
      }

      /* Image responsiveness for mobile */
      .page-rr88dang img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-rr88dang__game-card-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-rr88dang__promo-image {
        max-width: 100% !important;
        height: auto !important;
      }
    }