:root {
      --page-xocdiaonline-primary-color: #f7b731; /* Màu vàng cam */
      --page-xocdiaonline-secondary-color: #ffffff; /* Màu trắng */
      --page-xocdiaonline-background-color: #000000; /* Màu đen */
      --page-xocdiaonline-text-color: #e0e0e0; /* Màu xám nhạt */
      --page-xocdiaonline-border-color: #333333; /* Màu xám đậm cho đường viền */
      --page-xocdiaonline-hover-color: #ffcc66; /* Màu vàng nhạt khi hover */
    }

    .page-xocdiaonline {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-xocdiaonline-background-color);
      color: var(--page-xocdiaonline-text-color);
      line-height: 1.6;
      padding-top: 120px; /* Thêm padding-top để tránh bị che bởi header cố định */
    }

    .page-xocdiaonline__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-xocdiaonline__section--dark {
      background-color: #1a1a1a;
    }

    .page-xocdiaonline__heading {
      color: var(--page-xocdiaonline-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-xocdiaonline__subheading {
      color: var(--page-xocdiaonline-secondary-color);
      text-align: center;
      margin-bottom: 20px;
      font-size: 1.8em;
    }

    .page-xocdiaonline__text-center {
      text-align: center;
    }

    .page-xocdiaonline__paragraph {
      margin-bottom: 15px;
      color: var(--page-xocdiaonline-text-color);
    }

    /* Hero Section */
    .page-xocdiaonline__hero-section {
      position: relative;
      padding: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .page-xocdiaonline__hero-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px; /* Giữ banner ở trên, text ở dưới */
    }

    .page-xocdiaonline__hero-image {
      display: block;
      width: 100%;
      height: auto;
      max-width: 100%;
      object-fit: cover;
      margin: 0 auto; /* Căn giữa hình ảnh */
    }

    .page-xocdiaonline__hero-content {
      position: relative; /* Đảm bảo nội dung nằm trên ảnh nếu có lớp phủ */
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-xocdiaonline__hero-title {
      font-size: 3em;
      color: var(--page-xocdiaonline-primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-xocdiaonline__hero-description {
      font-size: 1.2em;
      color: var(--page-xocdiaonline-secondary-color);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-xocdiaonline__login-button-fixed {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-xocdiaonline-primary-color);
      color: var(--page-xocdiaonline-background-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      z-index: 1000;
      animation: page-xocdiaonline__pulse 2s infinite;
    }

    .page-xocdiaonline__login-button-fixed:hover {
      transform: translateY(-5px) scale(1.05);
      background-color: var(--page-xocdiaonline-hover-color);
    }

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

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

    .page-xocdiaonline__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-xocdiaonline__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
    }

    .page-xocdiaonline__game-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-xocdiaonline__game-image {
      display: block;
      width: 100%;
      height: 100%;
      max-width: 100%;
      object-fit: cover;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
    }

    .page-xocdiaonline__game-title {
      font-size: 1.4em;
      color: var(--page-xocdiaonline-primary-color);
      margin: 15px 10px 10px 10px;
    }

    .page-xocdiaonline__game-description {
      font-size: 0.95em;
      color: var(--page-xocdiaonline-text-color);
      padding: 0 15px;
      margin-bottom: 15px;
    }

    .page-xocdiaonline__game-link {
      display: inline-block;
      background-color: var(--page-xocdiaonline-primary-color);
      color: var(--page-xocdiaonline-background-color);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-xocdiaonline__game-link:hover {
      background-color: var(--page-xocdiaonline-hover-color);
    }

    /* Game Providers */
    .page-xocdiaonline__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-xocdiaonline__provider-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      padding: 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .page-xocdiaonline__provider-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
    }

    .page-xocdiaonline__provider-logo {
      width: 100%;
      height: auto;
      max-width: 120px; /* Adjust max-width for logos */
      max-height: 60px; /* Adjust max-height for logos */
      object-fit: contain;
      display: block; /* Ensure it's a block element for margin auto */
      margin: 0 auto; /* Center image within its container */
    }

    /* Top Nhà Cái */
    .page-xocdiaonline__top-casinos-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .page-xocdiaonline__top-casino-item {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
      text-align: center;
      transition: background-color 0.3s ease;
    }

    .page-xocdiaonline__top-casino-item:hover {
      background-color: #2a2a2a;
    }

    .page-xocdiaonline__top-casino-name {
      font-size: 1.5em;
      color: var(--page-xocdiaonline-primary-color);
      margin-bottom: 10px;
    }

    .page-xocdiaonline__top-casino-description {
      color: var(--page-xocdiaonline-text-color);
      font-size: 0.9em;
      margin-bottom: 15px;
    }

    .page-xocdiaonline__top-casino-link {
      display: inline-block;
      background-color: var(--page-xocdiaonline-primary-color);
      color: var(--page-xocdiaonline-background-color);
      padding: 8px 18px;
      border-radius: 20px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-xocdiaonline__top-casino-link:hover {
      background-color: var(--page-xocdiaonline-hover-color);
    }

    /* Tips Section */
    .page-xocdiaonline__tips-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-xocdiaonline__tip-item {
      background-color: #1a1a1a;
      border-left: 5px solid var(--page-xocdiaonline-primary-color);
      margin-bottom: 15px;
      padding: 15px 20px;
      border-radius: 5px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-xocdiaonline__tip-title {
      color: var(--page-xocdiaonline-primary-color);
      font-size: 1.2em;
      margin-bottom: 5px;
    }

    .page-xocdiaonline__tip-description {
      color: var(--page-xocdiaonline-text-color);
      font-size: 0.95em;
    }

    /* FAQ Section */
    .page-xocdiaonline__faq-container {
      margin-top: 40px;
    }

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

    .page-xocdiaonline__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #2a2a2a;
      color: var(--page-xocdiaonline-secondary-color);
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-xocdiaonline__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-xocdiaonline__faq-question h3 {
      margin: 0;
      color: var(--page-xocdiaonline-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-xocdiaonline__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      color: var(--page-xocdiaonline-primary-color);
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-xocdiaonline__faq-item.active .page-xocdiaonline__faq-toggle {
      transform: rotate(45deg); /* Rotate '+' to 'x' or similar, or just change to '-' */
      content: '−'; /* This will be handled by JS */
    }

    .page-xocdiaonline__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: var(--page-xocdiaonline-text-color);
      background-color: #1a1a1a;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-xocdiaonline__faq-item.active .page-xocdiaonline__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-xocdiaonline {
        padding-top: 100px; /* Điều chỉnh padding-top cho di động */
      }

      .page-xocdiaonline__hero-title {
        font-size: 2.2em;
      }

      .page-xocdiaonline__hero-description {
        font-size: 1em;
      }

      .page-xocdiaonline__heading {
        font-size: 2em;
      }

      .page-xocdiaonline__subheading {
        font-size: 1.5em;
      }

      .page-xocdiaonline__section {
        padding: 30px 15px;
      }

      .page-xocdiaonline__login-button-fixed {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

      .page-xocdiaonline__game-grid {
        grid-template-columns: 1fr;
      }

      .page-xocdiaonline__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }

      .page-xocdiaonline__top-casinos-list {
        grid-template-columns: 1fr;
      }

      .page-xocdiaonline__game-image,
      .page-xocdiaonline__provider-logo {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-xocdiaonline__hero-image-container,
      .page-xocdiaonline__game-image-container {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
      }
    }

    /* Ensure all images are responsive */
    .page-xocdiaonline img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    @media (max-width: 768px) {
      .page-xocdiaonline img {
        max-width: 100% !important;
        height: auto !important;
      }
    }