/* Tổng quan */
    .page-vui88vin {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f4f7f6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-vui88vin__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-vui88vin__section {
      padding: 40px 0;
      text-align: center;
      margin-bottom: 20px;
    }

    .page-vui88vin__section--light {
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    }

    .page-vui88vin__section-title {
      font-size: 2.5em;
      color: #007bff;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-vui88vin__section-subtitle {
      font-size: 1.2em;
      color: #555;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Nút CTA chung */
    .page-vui88vin__cta-button {
      display: inline-block;
      background-color: #ff4500; /* Màu cam nổi bật */
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(255, 69, 0, 0.4);
      margin-top: 20px;
    }

    .page-vui88vin__cta-button:hover {
      background-color: #e63e00;
      transform: translateY(-3px);
    }

    /* Hero Section */
    .page-vui88vin__hero-section {
      background-color: #2c3e50; /* Nền tối */
      color: #ffffff;
      padding: 10px 0 60px 0; /* padding-top cho nav bar cố định */
      position: relative;
      overflow: hidden;
      border-bottom-left-radius: 20px;
      border-bottom-right-radius: 20px;
      text-align: center;
    }

    .page-vui88vin__hero-image {
      width: 100%;
      height: 350px;
      object-fit: cover;
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 10px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
      max-width: 100%;
    }

    .page-vui88vin__hero-content {
      position: relative;
      z-index: 2;
      padding: 0 15px;
    }

    .page-vui88vin__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      font-weight: 900;
      color: #ffd700; /* Vàng nổi bật */
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-vui88vin__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      color: #e0e0e0;
    }

    /* Nút nổi bật */
    .page-vui88vin__floating-promo-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #ff4500; /* Màu cam nổi bật */
      color: #ffffff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 5px 20px rgba(255, 69, 0, 0.6);
      z-index: 1000;
      animation: page-vui88vin__pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      border: none;
      cursor: pointer;
    }

    .page-vui88vin__floating-promo-button:hover {
      background-color: #e63e00;
      transform: translateX(-50%) translateY(-3px);
    }

    @keyframes page-vui88vin__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Giới thiệu Vui88 vin */
    .page-vui88vin__about-content {
      text-align: left;
      font-size: 1.1em;
      color: #444;
    }

    .page-vui88vin__about-content h3 {
      font-size: 1.8em;
      color: #007bff;
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-vui88vin__about-content p {
      margin-bottom: 15px;
    }

    /* Phần trò chơi */
    .page-vui88vin__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-vui88vin__game-card {
      background-color: #ffffff;
      border-radius: 15px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding-bottom: 20px;
    }

    .page-vui88vin__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    }

    .page-vui88vin__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-vui88vin__game-title {
      font-size: 1.5em;
      color: #007bff;
      margin: 20px 15px 10px 15px;
      font-weight: bold;
    }

    .page-vui88vin__game-description {
      font-size: 0.95em;
      color: #666;
      padding: 0 15px;
      margin-bottom: 20px;
    }

    /* Phần khuyến mãi */
    .page-vui88vin__promo-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-vui88vin__promo-item {
      background-color: #e8f4ff;
      border-left: 5px solid #007bff;
      border-radius: 10px;
      padding: 25px;
      text-align: left;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
    }

    .page-vui88vin__promo-item:hover {
      transform: translateY(-5px);
    }

    .page-vui88vin__promo-title {
      font-size: 1.6em;
      color: #007bff;
      margin-bottom: 10px;
    }

    .page-vui88vin__promo-description {
      font-size: 1em;
      color: #555;
      margin-bottom: 15px;
    }

    .page-vui88vin__promo-button {
      background-color: #28a745; /* Màu xanh lá */
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-vui88vin__promo-button:hover {
      background-color: #218838;
    }

    /* Hướng dẫn */
    .page-vui88vin__guide-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-vui88vin__guide-step {
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
      padding: 30px;
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-vui88vin__guide-step:hover {
      transform: translateY(-5px);
    }

    .page-vui88vin__guide-icon {
      font-size: 3em;
      color: #007bff;
      margin-bottom: 15px;
    }

    .page-vui88vin__guide-title {
      font-size: 1.8em;
      color: #333;
      margin-bottom: 10px;
    }

    .page-vui88vin__guide-description {
      font-size: 1em;
      color: #666;
    }

    /* Tại sao chọn Vui88 vin */
    .page-vui88vin__usp-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-vui88vin__usp-item {
      background-color: #ffffff;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
      padding: 25px;
      text-align: center;
      transition: transform 0.3s ease;
    }

    .page-vui88vin__usp-item:hover {
      transform: translateY(-5px);
    }

    .page-vui88vin__usp-icon {
      font-size: 2.5em;
      color: #ff4500;
      margin-bottom: 15px;
    }

    .page-vui88vin__usp-title {
      font-size: 1.4em;
      color: #333;
      margin-bottom: 10px;
    }

    .page-vui88vin__usp-description {
      font-size: 0.95em;
      color: #666;
    }

    /* FAQ Section */
    .page-vui88vin__faq-section {
      background-color: #f0f8ff;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      padding: 40px 0;
      text-align: center;
    }

    .page-vui88vin__faq-list {
      max-width: 900px;
      margin: 40px auto 0 auto;
      text-align: left;
    }

    .page-vui88vin__faq-item {
      background-color: #ffffff;
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-vui88vin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #f9f9f9;
      border-bottom: 1px solid #e0e0e0;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-vui88vin__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-vui88vin__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #333;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-vui88vin__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #007bff;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
    }

    .page-vui88vin__faq-item.active .page-vui88vin__faq-toggle {
      transform: rotate(45deg); /* Chuyển '+' thành 'x' hoặc '-' */
      color: #ff4500;
    }

    .page-vui88vin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #555;
      font-size: 1em;
      text-align: left;
    }

    .page-vui88vin__faq-item.active .page-vui88vin__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-vui88vin__faq-answer p {
      margin: 0 0 10px 0;
    }

    .page-vui88vin__faq-answer p:last-child {
      margin-bottom: 0;
    }


    /* Responsive */
    @media (max-width: 1024px) {
      .page-vui88vin__hero-title {
        font-size: 2.8em;
      }
      .page-vui88vin__hero-description {
        font-size: 1.2em;
      }
      .page-vui88vin__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-vui88vin__hero-section {
        padding-top: 10px; /* Điều chỉnh padding-top cho mobile */
      }

      .page-vui88vin__hero-title {
        font-size: 2.2em;
      }
      .page-vui88vin__hero-description {
        font-size: 1em;
      }
      .page-vui88vin__section-title {
        font-size: 1.8em;
      }
      .page-vui88vin__section-subtitle {
        font-size: 1em;
      }
      .page-vui88vin__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-vui88vin__floating-promo-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        width: calc(100% - 30px); /* Đảm bảo nút nổi không quá rộng */
        max-width: 400px;
      }

      /* Responsive cho grid items */
      .page-vui88vin__game-grid,
      .page-vui88vin__promo-list,
      .page-vui88vin__guide-grid,
      .page-vui88vin__usp-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      /* List item responsive requirements */
      .page-vui88vin__game-card,
      .page-vui88vin__promo-item,
      .page-vui88vin__guide-step,
      .page-vui88vin__usp-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-vui88vin__game-card .page-vui88vin__game-title,
      .page-vui88vin__promo-item .page-vui88vin__promo-title,
      .page-vui88vin__guide-step .page-vui88vin__guide-title,
      .page-vui88vin__usp-item .page-vui88vin__usp-title {
        word-break: break-word !important;
      }

      .page-vui88vin__game-image {
        height: 180px;
      }

      .page-vui88vin__faq-list {
        padding: 0 10px;
      }
      .page-vui88vin__faq-question {
        padding: 15px 20px;
      }
      .page-vui88vin__faq-question h3 {
        font-size: 1.1em;
      }
      .page-vui88vin__faq-answer {
        padding: 0 20px;
      }
      .page-vui88vin__faq-item.active .page-vui88vin__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsive optimization */
      .page-vui88vin__hero-image,
      .page-vui88vin__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-vui88vin__hero-section,
      .page-vui88vin__game-card {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }