:root {
      --page-j888__primary-color: #ffcc00; /* Vàng rực rỡ */
      --page-j888__secondary-color: #333333; /* Xám đậm */
      --page-j888__accent-color: #e74c3c; /* Đỏ cam */
      --page-j888__text-color: #ffffff; /* Trắng */
      --page-j888__dark-bg: #1a1a1a; /* Nền rất tối */
      --page-j888__light-text: #f0f0f0;
      --page-j888__border-color: #555555;
    }

    .page-j888 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-j888__dark-bg);
      color: var(--page-j888__text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Cho nút nổi */
    }

    .page-j888__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-j888__section {
      padding: 40px 20px;
      margin-bottom: 30px;
      background-color: var(--page-j888__secondary-color);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-j888__section--dark {
      background-color: var(--page-j888__dark-bg);
    }

    .page-j888__title {
      color: var(--page-j888__primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.8em;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-j888__subtitle {
      color: var(--page-j888__light-text);
      text-align: center;
      margin-bottom: 25px;
      font-size: 2.2em;
      font-weight: bold;
    }

    .page-j888__heading {
      color: var(--page-j888__primary-color);
      margin-top: 40px;
      margin-bottom: 20px;
      font-size: 1.8em;
      border-bottom: 2px solid var(--page-j888__primary-color);
      padding-bottom: 10px;
      text-align: center;
    }

    .page-j888__text {
      font-size: 1.1em;
      color: var(--page-j888__light-text);
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-j888__link {
      color: var(--page-j888__primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-j888__link:hover {
      color: var(--page-j888__accent-color);
    }

    /* Hero Section */
    .page-j888__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 120px; /* Cho header cố định */
      background-color: var(--page-j888__dark-bg);
      text-align: center;
    }

    .page-j888__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Đảm bảo hình ảnh không bị kéo giãn */
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
    }

    .page-j888__hero-content {
      padding: 30px 20px 50px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-j888__hero-title {
      font-size: 3.5em;
      color: var(--page-j888__primary-color);
      margin-bottom: 20px;
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    }

    .page-j888__hero-description {
      font-size: 1.3em;
      color: var(--page-j888__light-text);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Login/Register Button */
    .page-j888__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(45deg, var(--page-j888__primary-color), var(--page-j888__accent-color));
      color: var(--page-j888__text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.4em;
      font-weight: bold;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
      z-index: 1000;
      transition: all 0.3s ease;
      white-space: nowrap;
      text-align: center;
      display: block;
      max-width: 90%;
    }

    .page-j888__floating-button:hover {
      transform: translateX(-50%) scale(1.05);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.7);
    }

    /* Game Categories/Products */
    .page-j888__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-j888__game-card {
      background-color: var(--page-j888__dark-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      border: 1px solid var(--page-j888__border-color);
    }

    .page-j888__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
    }

    .page-j888__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #2c2c2c;
    }

    .page-j888__game-card-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      object-fit: cover;
    }

    .page-j888__game-card-content {
      padding: 20px;
    }

    .page-j888__game-card-title {
      font-size: 1.5em;
      color: var(--page-j888__primary-color);
      margin-bottom: 10px;
    }

    .page-j888__game-card-description {
      font-size: 0.95em;
      color: var(--page-j888__light-text);
    }

    /* Game Providers */
    .page-j888__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-j888__provider-logo-wrapper {
      width: 100%;
      max-width: 150px;
      height: 80px;
      background-color: #2c2c2c;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease;
    }

    .page-j888__provider-logo-wrapper:hover {
      transform: scale(1.05);
    }

    .page-j888__provider-logo {
      width: 100%;
      height: auto;
      max-height: 100%;
      object-fit: contain;
      display: block;
    }

    /* Payment Methods */
    .page-j888__payment-methods-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-j888__payment-method-item {
      background-color: var(--page-j888__dark-bg);
      padding: 15px 25px;
      border-radius: 8px;
      color: var(--page-j888__light-text);
      font-weight: bold;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease;
      border: 1px solid var(--page-j888__border-color);
    }

    .page-j888__payment-method-item:hover {
      background-color: #2a2a2a;
    }

    /* FAQ Section */
    .page-j888__faq-list {
      margin-top: 30px;
    }

    .page-j888__faq-item {
      background-color: var(--page-j888__dark-bg);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--page-j888__border-color);
    }

    .page-j888__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #2c2c2c;
      cursor: pointer;
      user-select: none;
      color: var(--page-j888__primary-color);
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease;
    }

    .page-j888__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-j888__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
      color: inherit;
    }

    .page-j888__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-j888__faq-item.active .page-j888__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-j888__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      color: var(--page-j888__light-text);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    }

    .page-j888__faq-item.active .page-j888__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to accommodate content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Rankings */
    .page-j888__ranking-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-j888__ranking-item {
      background-color: var(--page-j888__dark-bg);
      border: 1px solid var(--page-j888__border-color);
      padding: 15px 20px;
      margin-bottom: 10px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-j888__ranking-number {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-j888__primary-color);
      margin-right: 15px;
      width: 30px;
      text-align: center;
    }

    .page-j888__ranking-name {
      font-size: 1.2em;
      color: var(--page-j888__light-text);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-j888__container {
        padding: 10px;
      }

      .page-j888__hero-section {
        padding-top: 100px; /* Cho header cố định trên di động */
      }

      .page-j888__title {
        font-size: 2em;
      }

      .page-j888__subtitle {
        font-size: 1.8em;
      }

      .page-j888__heading {
        font-size: 1.5em;
      }

      .page-j888__hero-title {
        font-size: 2.5em;
      }

      .page-j888__hero-description {
        font-size: 1.1em;
      }

      .page-j888__floating-button {
        font-size: 1.1em;
        padding: 12px 20px;
        bottom: 15px;
        max-width: 95%;
      }

      .page-j888__game-grid {
        grid-template-columns: 1fr;
      }

      .page-j888__game-card-image-wrapper {
        height: 180px;
      }

      .page-j888__game-card-title {
        font-size: 1.3em;
      }

      .page-j888__provider-logo-wrapper {
        max-width: 100px;
        height: 60px;
      }

      .page-j888__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
      }

      .page-j888__faq-answer {
        padding: 0 20px;
      }

      .page-j888__faq-item.active .page-j888__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsive optimization for mobile */
      .page-j888 img {
        max-width: 100% !important;
        height: auto !important;
        object-fit: contain !important; /* Ensure images scale down correctly */
      }
      .page-j888__image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }