:root {
      --lucky88-primary-color: #e44d26; /* Cam đỏ */
      --lucky88-secondary-color: #ffb74d; /* Cam nhạt */
      --lucky88-dark-bg: #1a1a1a; /* Nền tối */
      --lucky88-light-text: #ffffff; /* Chữ trắng */
      --lucky88-gray-text: #cccccc; /* Chữ xám nhạt */
      --lucky88-accent-color: #4CAF50; /* Xanh lá cây */
      --lucky88-border-color: #333; /* Màu viền */
    }

    .page-lucky88 {
      font-family: 'Arial', sans-serif;
      background-color: var(--lucky88-dark-bg);
      color: var(--lucky88-light-text);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 120px; /* Dành chỗ cho header cố định */
    }

    @media (max-width: 768px) {
      .page-lucky88 {
        padding-top: 100px; /* Dành chỗ cho header cố định trên di động */
      }
    }

    .page-lucky88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-lucky88__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-lucky88__section--dark {
      background-color: #222;
    }

    .page-lucky88__hero-section {
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 450px;
      background-color: #000;
      padding: 40px 0; /* Đảm bảo banner không bị tràn */
    }

    .page-lucky88__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Giữ nguyên tỷ lệ hình ảnh */
      max-height: 500px; /* Giới hạn chiều cao của banner */
    }

    .page-lucky88__hero-content {
      position: absolute;
      bottom: 0; /* Đảm bảo nội dung dưới banner */
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      max-width: 800px;
      padding: 20px;
      background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0));
      color: var(--lucky88-light-text);
      text-align: center;
    }

    .page-lucky88__hero-title {
      font-size: 3em;
      color: var(--lucky88-primary-color);
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-lucky88__hero-subtitle {
      font-size: 1.5em;
      color: var(--lucky88-light-text);
      margin-bottom: 20px;
    }

    .page-lucky88__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--lucky88-accent-color);
      color: var(--lucky88-light-text);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-lucky88__floating-button:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-lucky88__heading {
      font-size: 2.5em;
      color: var(--lucky88-primary-color);
      margin-bottom: 40px;
      text-transform: uppercase;
      position: relative;
      display: inline-block;
    }

    .page-lucky88__heading::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--lucky88-secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-lucky88__text-block {
      max-width: 800px;
      margin: 0 auto 40px;
      font-size: 1.1em;
      color: var(--lucky88-gray-text);
    }

    .page-lucky88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-lucky88__game-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0,0,0,0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      display: flex;
      flex-direction: column;
    }

    .page-lucky88__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    }

    .page-lucky88__game-card-image-wrapper {
      width: 100%;
      max-height: 200px;
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #111;
    }

    .page-lucky88__game-card-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-width: 100%;
      max-height: 100%;
    }

    .page-lucky88__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-lucky88__game-card-title {
      font-size: 1.5em;
      color: var(--lucky88-secondary-color);
      margin-bottom: 10px;
      min-height: 48px; /* Đảm bảo chiều cao tối thiểu cho tiêu đề */
    }

    .page-lucky88__game-card-title a {
      color: var(--lucky88-secondary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-lucky88__game-card-title a:hover {
      color: var(--lucky88-primary-color);
    }

    .page-lucky88__game-card-description {
      font-size: 0.95em;
      color: var(--lucky88-gray-text);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-lucky88__game-card-button {
      display: inline-block;
      background-color: var(--lucky88-primary-color);
      color: var(--lucky88-light-text);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      align-self: flex-start;
    }

    .page-lucky88__game-card-button:hover {
      background-color: #c7421e;
    }

    .page-lucky88__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 40px;
      justify-items: center;
      align-items: center;
    }

    .page-lucky88__provider-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 3px 10px rgba(0,0,0,0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px; /* Cố định chiều cao cho logo nhà cung cấp */
    }

    .page-lucky88__provider-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    }

    .page-lucky88__provider-logo {
      max-width: 100%;
      max-height: 70px; /* Giới hạn chiều cao của logo */
      width: auto;
      height: auto;
      display: block;
      object-fit: contain;
    }

    .page-lucky88__faq-section {
      background-color: #1a1a1a;
      padding: 60px 0;
    }

    .page-lucky88__faq-container {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-lucky88__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    }

    .page-lucky88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #333;
      border-bottom: 1px solid var(--lucky88-border-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-lucky88__faq-question:hover {
      background-color: #444;
    }

    .page-lucky88__faq-question h3 {
      margin: 0;
      font-size: 1.25em;
      color: var(--lucky88-light-text);
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
      text-align: left;
    }

    .page-lucky88__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--lucky88-primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn span chặn sự kiện click */
    }

    .page-lucky88__faq-item.active .page-lucky88__faq-toggle {
      transform: rotate(45deg); /* Biến + thành X hoặc - */
      color: var(--lucky88-accent-color);
    }

    .page-lucky88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: var(--lucky88-gray-text);
      font-size: 1em;
      background-color: #2a2a2a;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      text-align: left;
    }

    .page-lucky88__faq-item.active .page-lucky88__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-lucky88__cta-section {
      background-color: var(--lucky88-primary-color);
      padding: 80px 0;
    }

    .page-lucky88__cta-title {
      font-size: 2.8em;
      color: var(--lucky88-light-text);
      margin-bottom: 20px;
    }

    .page-lucky88__cta-description {
      font-size: 1.2em;
      color: var(--lucky88-light-text);
      margin-bottom: 30px;
    }

    .page-lucky88__cta-button {
      display: inline-block;
      background-color: var(--lucky88-dark-bg);
      color: var(--lucky88-light-text);
      padding: 15px 35px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-lucky88__cta-button:hover {
      background-color: #333;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-lucky88__hero-title {
        font-size: 2.5em;
      }
      .page-lucky88__hero-subtitle {
        font-size: 1.3em;
      }
      .page-lucky88__heading {
        font-size: 2em;
      }
      .page-lucky88__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
      .page-lucky88__cta-title {
        font-size: 2.2em;
      }
    }

    @media (max-width: 768px) {
      .page-lucky88__section {
        padding: 40px 0;
      }
      .page-lucky88__hero-title {
        font-size: 2em;
      }
      .page-lucky88__hero-subtitle {
        font-size: 1.1em;
      }
      .page-lucky88__heading {
        font-size: 1.8em;
      }
      .page-lucky88__text-block {
        font-size: 1em;
      }
      .page-lucky88__game-grid {
        grid-template-columns: 1fr;
      }
      .page-lucky88__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-lucky88__cta-title {
        font-size: 1.8em;
      }
      .page-lucky88__cta-description {
        font-size: 1em;
      }
      .page-lucky88__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-lucky88__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
      .page-lucky88__faq-question {
        padding: 15px 20px;
      }
      .page-lucky88__faq-question h3 {
        font-size: 1.1em;
      }
      .page-lucky88__faq-answer {
        padding: 15px 20px;
        font-size: 0.9em;
      }

      /* Responsive image optimization */
      .page-lucky88 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-lucky88__game-card-image-wrapper,
      .page-lucky88__provider-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }