/* Tổng thể */
    .page-by88 {
      font-family: Arial, sans-serif;
      background-color: #1a1a1a; /* Nền đen */
      color: #ffffff; /* Chữ trắng */
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-by88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-by88__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-by88__section-title {
      color: #FFD700; /* Chữ vàng */
      font-size: 2.5em;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 15px;
    }

    .page-by88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: #FFD700;
      border-radius: 2px;
    }

    .page-by88__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #e0e0e0;
    }

    .page-by88__button {
      display: inline-block;
      background-color: #FFD700; /* Nút vàng */
      color: #1a1a1a; /* Chữ đen trên nút */
      padding: 12px 25px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-by88__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-by88__hero-section {
      position: relative;
      padding-top: 10px; /* Dành cho thanh điều hướng cố định */
      background-color: #000;
      text-align: center;
      padding-bottom: 40px;
    }

    .page-by88__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      height: auto; /* Allow height to adjust based on aspect ratio */
      display: block;
      margin: 0 auto;
      overflow: hidden; /* Ensure image doesn't overflow */
      box-sizing: border-box; /* Include padding and border in the element's total width and height */
    }

    .page-by88__hero-image {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      object-fit: contain; /* Đảm bảo hình ảnh không bị kéo giãn */
      min-width: 200px; /* Tối thiểu 200px */
      min-height: 200px; /* Tối thiểu 200px */
    }

    .page-by88__hero-content {
      padding: 20px;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-by88__hero-title {
      font-size: 3.2em;
      color: #FFD700;
      margin-top: 20px;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-by88__hero-description {
      font-size: 1.3em;
      color: #ffffff;
      margin-bottom: 30px;
    }

    /* Floating Login Button */
    .page-by88__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
    }

    .page-by88__floating-button {
      background-color: #FFD700;
      color: #1a1a1a;
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.1em;
    }

    .page-by88__floating-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .page-by88__floating-button-icon {
      font-size: 1.5em;
    }

    /* Game Categories */
    .page-by88__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-by88__game-card {
      background-color: #2a2a2a;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      min-height: 350px; /* Đảm bảo chiều cao tối thiểu cho card */
      display: flex;
      flex-direction: column;
    }

    .page-by88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    }

    .page-by88__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho ảnh game */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }

    .page-by88__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-width: 200px;
      min-height: 200px;
    }

    .page-by88__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-by88__game-card-title {
      font-size: 1.5em;
      color: #FFD700;
      margin-bottom: 10px;
    }

    .page-by88__game-card-description {
      color: #ccc;
      font-size: 0.95em;
      margin-bottom: 15px;
    }

    /* Promotions Section */
    .page-by88__promotion-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 25px;
      margin-top: 40px;
    }

    .page-by88__promotion-item {
      background-color: #2a2a2a;
      border-radius: 12px;
      padding: 25px;
      text-align: center;
      flex: 1;
      min-width: 280px;
      max-width: 380px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-by88__promotion-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    }

    .page-by88__promotion-title {
      color: #FFD700;
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-by88__promotion-description {
      color: #e0e0e0;
      margin-bottom: 20px;
    }

    /* Providers Section */
    .page-by88__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
      align-items: center;
      justify-items: center;
    }

    .page-by88__provider-logo-wrapper {
      background-color: #333;
      padding: 15px;
      border-radius: 8px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);