/* Tổng quan */
    :root {
      --page-five88-primary-color: #e6b300; /* Vàng kim */
      --page-five88-secondary-color: #4CAF50; /* Xanh lá */
      --page-five88-dark-bg: #1a1a1a; /* Nền tối */
      --page-five88-light-text: #f0f0f0; /* Chữ sáng */
      --page-five88-medium-grey: #333333; /* Xám trung bình */
      --page-five88-border-color: #444444; /* Màu viền */
      --page-five88-max-width: 1200px;
      --page-five88-spacing-unit: 16px;
    }

    .page-five88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-five88-light-text);
      background-color: var(--page-five88-dark-bg);
      padding-top: 20px;
      padding-bottom: 20px;
    }

    .page-five88-container {
      max-width: var(--page-five88-max-width);
      margin: 0 auto;
      padding: 0 var(--page-five88-spacing-unit);
    }

    /* Tiêu đề */
    .page-five88 h1, .page-five88 h2, .page-five88 h3 {
      color: var(--page-five88-primary-color);
      margin-bottom: var(--page-five88-spacing-unit);
      text-align: center;
      line-height: 1.2;
    }

    .page-five88 h1 {
      font-size: 2.5em;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-five88 h2 {
      font-size: 2em;
      border-bottom: 2px solid var(--page-five88-primary-color);
      padding-bottom: 8px;
      margin-top: 2em;
      text-align: left;
    }

    .page-five88 h3 {
      font-size: 1.5em;
      color: var(--page-five88-secondary-color);
      margin-top: 1.5em;
      text-align: left;
    }

    /* Đoạn văn */
    .page-five88 p {
      margin-bottom: var(--page-five88-spacing-unit);
      text-align: justify;
    }

    /* Nút bấm */
    .page-five88-button {
      display: inline-block;
      background-color: var(--page-five88-primary-color);
      color: var(--page-five88-dark-bg);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      text-align: center;
    }

    .page-five88-button:hover {
      background-color: #ffd700; /* Vàng sáng hơn */
      transform: translateY(-2px);
    }

    .page-five88-button-secondary {
      background-color: var(--page-five88-secondary-color);
      color: var(--page-five88-light-text);
    }

    .page-five88-button-secondary:hover {
      background-color: #5cb85c;
    }

    /* Phần giới thiệu (Hero Section) */
    .page-five88-hero {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:banner:five88,hero,main_banner]') no-repeat center center/cover;
      padding: 60px var(--page-five88-spacing-unit);
      text-align: center;
      margin-bottom: 30px;
      border-radius: 8px;
    }

    .page-five88-hero h1 {
      color: var(--page-five88-light-text);
      font-size: 3em;
      margin-bottom: 15px;
    }

    .page-five88-hero p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: #ccc;
    }

    .page-five88-hero-buttons {
      display: flex;
      justify-content: center;
      gap: var(--page-five88-spacing-unit);
      flex-wrap: wrap;
    }

    /* Thẻ (Cards) */
    .page-five88-card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-five88-spacing-unit);
      margin-top: 30px;
      margin-bottom: 30px;
    }

    .page-five88-card {
      background-color: var(--page-five88-medium-grey);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-five88-card:hover {
      transform: translateY(-5px);
    }

    .page-five88-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .page-five88-card-content {
      padding: var(--page-five88-spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-five88-card-content h3 {
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-five88-primary-color);
      text-align: left;
    }
    
    .page-five88-card-content h3 a {
      color: var(--page-five88-primary-color);
      text-decoration: none;
    }

    .page-five88-card-content p {
      font-size: 0.95em;
      color: #ccc;
      margin-bottom: var(--page-five88-spacing-unit);
      text-align: left;
    }

    .page-five88-card-link {
      display: block;
      margin-top: auto; /* Đẩy nút xuống dưới cùng */
    }

    /* Danh sách */
    .page-five88-list {
      list-style: none;
      padding: 0;
      margin-bottom: var(--page-five88-spacing-unit) * 2;
    }

    .page-five88-list li {
      background-color: var(--page-five88-medium-grey);
      margin-bottom: 8px;
      padding: 12px 15px;
      border-left: 5px solid var(--page-five88-secondary-color);
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-five88-list li::before {
      content: '✔';
      color: var(--page-five88-primary-color);
      font-weight: bold;
    }

    /* Bảng */
    .page-five88-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: var(--page-five88-spacing-unit) * 1.5;
      margin-bottom: var(--page-five88-spacing-unit) * 2;
      background-color: var(--page-five88-medium-grey);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }

    .page-five88-table th, .page-five88-table td {
      border: 1px solid var(--page-five88-border-color);
      padding: 12px 15px;
      text-align: left;
    }

    .page-five88-table th {
      background-color: var(--page-five88-primary-color);
      color: var(--page-five88-dark-bg);
      font-weight: bold;
      text-transform: uppercase;
    }

    .page-five88-table tr:nth-child(even) {
      background-color: #3a3a3a;
    }

    .page-five88-table tr:hover {
      background-color: #4a4a4a;
    }

    /* Accordion/FAQ */
    .page-five88-accordion-item {
      background-color: var(--page-five88-medium-grey);
      border: 1px solid var(--page-five88-border-color);
      margin-bottom: 10px;
      border-radius: 5px;
    }

    .page-five88-accordion-header {
      padding: 15px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-five88-primary-color);
      font-size: 1.1em;
    }

    .page-five88-accordion-header::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-five88-accordion-header.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-five88-accordion-content {
      padding: 0 15px 15px 15px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      color: #ccc;
    }
    
    .page-five88-accordion-content p {
        margin-bottom: 0; /* Remove extra margin for paragraphs inside accordion */
    }

    /* Hình ảnh */
    .page-five88-image-wrapper {
        margin: var(--page-five88-spacing-unit) 0;
        text-align: center;
    }

    .page-five88-image {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    }

    /* Quảng cáo nổi */
    .page-five88-floating-ad {
      position: fixed;
      bottom: var(--page-five88-spacing-unit);
      right: var(--page-five88-spacing-unit);
      background-color: var(--page-five88-secondary-color);
      color: var(--page-five88-light-text);
      padding: 10px 15px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: transform 0.3s ease;
    }

    .page-five88-floating-ad:hover {
      transform: translateY(-5px);
    }

    .page-five88-floating-ad .page-five88-button {
      background-color: var(--page-five88-primary-color);
      color: var(--page-five88-dark-bg);
      padding: 8px 15px;
      font-size: 0.9em;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-five88-hero h1 {
        font-size: 2.2em;
      }
      .page-five88-hero p {
        font-size: 1em;
      }
      .page-five88 h1 {
        font-size: 2em;
      }
      .page-five88 h2 {
        font-size: 1.7em;
      }
      .page-five88 h3 {
        font-size: 1.3em;
      }
      .page-five88-button {
        width: 100%;
        margin-bottom: 10px;
      }
      .page-five88-hero-buttons {
        flex-direction: column;
      }
      .page-five88-card-grid {
        grid-template-columns: 1fr;
      }
      .page-five88-floating-ad {
        width: calc(100% - var(--page-five88-spacing-unit) * 2);
        left: var(--page-five88-spacing-unit);
        right: var(--page-five88-spacing-unit);
        justify-content: center;
        text-align: center;
        flex-direction: column;
      }
      .page-five88-floating-ad .page-five88-button {
        width: 100%;
      }
    }