/* Tổng quan */
    :root {
      --page-b52clubvip-primary-color: #f7b32b; /* Vàng cam */
      --page-b52clubvip-secondary-color: #e65c00; /* Cam đậm */
      --page-b52clubvip-dark-bg: #1a1a1a; /* Nền tối */
      --page-b52clubvip-text-color: #ffffff; /* Chữ trắng */
      --page-b52clubvip-accent-color: #00bcd4; /* Xanh ngọc */
      --page-b52clubvip-border-radius: 8px;
      --page-b52clubvip-padding-mobile: 15px;
      --page-b52clubvip-padding-desktop: 30px;
    }

    .page-b52clubvip {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-b52clubvip-dark-bg);
      color: var(--page-b52clubvip-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    /* Tiêu đề */
    .page-b52clubvip h1,
    .page-b52clubvip h2,
    .page-b52clubvip h3 {
      color: var(--page-b52clubvip-primary-color);
      text-align: center;
      margin-bottom: 20px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-b52clubvip h1 {
      font-size: 2.2em;
      padding: 20px var(--page-b52clubvip-padding-mobile);
    }
    .page-b52clubvip h2 {
      font-size: 1.8em;
      border-bottom: 2px solid var(--page-b52clubvip-secondary-color);
      display: inline-block;
      padding-bottom: 5px;
      margin-left: auto;
      margin-right: auto;
      margin-top: 40px;
    }
    .page-b52clubvip h3 {
      font-size: 1.4em;
      color: var(--page-b52clubvip-accent-color);
    }

    /* Phần chung */
    .page-b52clubvip .page-b52clubvip__section {
      padding: 20px var(--page-b52clubvip-padding-mobile);
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-b52clubvip .page-b52clubvip__text-center {
      text-align: center;
    }

    .page-b52clubvip .page-b52clubvip__button {
      display: inline-block;
      background-color: var(--page-b52clubvip-primary-color);
      color: var(--page-b52clubvip-dark-bg);
      padding: 12px 25px;
      border-radius: var(--page-b52clubvip-border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      font-size: 1.1em;
      border: none;
      cursor: pointer;
    }

    .page-b52clubvip .page-b52clubvip__button:hover {
      background-color: var(--page-b52clubvip-secondary-color);
      color: var(--page-b52clubvip-text-color);
    }

    /* Banner */
    .page-b52clubvip__hero {
      position: relative;
      overflow: hidden;
      background-color: #000;
      padding-bottom: 30px; /* Để chữ không bị dính vào banner */
    }

    .page-b52clubvip__hero-image {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      max-width: 100%; /* Đảm bảo hình ảnh không vượt quá chiều rộng của phần tử cha */
      object-fit: cover; /* Giữ tỷ lệ khung hình và cắt nếu cần */
      max-height: 300px; /* Giới hạn chiều cao trên di động */
    }

    .page-b52clubvip__hero-content {
      position: relative; /* Đảm bảo nội dung nằm trên banner nếu banner là background */
      text-align: center;
      padding: 20px var(--page-b52clubvip-padding-mobile);
      z-index: 1;
    }

    /* Nút đăng nhập nổi */
    .page-b52clubvip__floating-button {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: linear-gradient(90deg, var(--page-b52clubvip-secondary-color), var(--page-b52clubvip-primary-color));
      padding: 10px 0;
      text-align: center;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
    }

    .page-b52clubvip__floating-button .page-b52clubvip__button {
      width: calc(100% - 40px);
      max-width: 400px;
      margin: 0 auto;
      padding: 15px 20px;
      font-size: 1.2em;
      animation: pulse 1.5s infinite;
    }

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

    /* Sản phẩm/Trò chơi */
    .page-b52clubvip__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      margin-top: 20px;
    }

    .page-b52clubvip__game-card {
      background-color: #2a2a2a;
      border-radius: var(--page-b52clubvip-border-radius);
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-b52clubvip-secondary-color);
    }

    .page-b52clubvip__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.6);
    }

    .page-b52clubvip__game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
    }

    .page-b52clubvip__game-card h3 {
      margin: 10px 0 15px;
      font-size: 1em;
      color: var(--page-b52clubvip-text-color);
      padding: 0 10px;
    }

    .page-b52clubvip__game-card h3 a {
      color: var(--page-b52clubvip-text-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-b52clubvip__game-card h3 a:hover {
      color: var(--page-b52clubvip-primary-color);
    }

    /* Danh sách ưu điểm */
    .page-b52clubvip__feature-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .page-b52clubvip__feature-list li {
      background-color: #2a2a2a;
      padding: 15px;
      border-radius: var(--page-b52clubvip-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      border-left: 5px solid var(--page-b52clubvip-primary-color);
    }

    .page-b52clubvip__feature-list li strong {
      color: var(--page-b52clubvip-primary-color);
    }

    /* Đối tác & Thanh toán */
    .page-b52clubvip__partner-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      margin-top: 20px;
    }

    .page-b52clubvip__partner-item {
      background-color: #2a2a2a;
      padding: 10px;
      border-radius: var(--page-b52clubvip-border-radius);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      text-align: center;
      flex: 0 0 calc(33% - 15px); /* 3 cột trên di động */
      max-width: 100px;
    }

    .page-b52clubvip__partner-item img {
      max-width: 80px;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    /* Responsive */
    @media (min-width: 768px) {
      .page-b52clubvip h1 {
        font-size: 3em;
      }
      .page-b52clubvip h2 {
        font-size: 2.2em;
      }
      .page-b52clubvip .page-b52clubvip__section {
        padding: 40px var(--page-b52clubvip-padding-desktop);
      }
      .page-b52clubvip__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 20px;
      }
      .page-b52clubvip__game-card img {
        height: 150px;
      }
      .page-b52clubvip__feature-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-b52clubvip__partner-item {
        flex: 0 0 calc(20% - 15px); /* 5 cột trên desktop */
        max-width: 120px;
      }
    }

    @media (min-width: 1024px) {
      .page-b52clubvip h1 {
        font-size: 3.5em;
      }
      .page-b52clubvip h2 {
        font-size: 2.5em;
      }
      .page-b52clubvip__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-b52clubvip__feature-list {
        grid-template-columns: repeat(3, 1fr);
      }
    }