:root {
      --page-jj88-primary-color: #ffcc00; /* Vàng rực rỡ */
      --page-jj88-secondary-color: #333333; /* Xám đậm */
      --page-jj88-accent-color: #e62e2e; /* Đỏ mạnh */
      --page-jj88-text-color: #ffffff; /* Trắng */
      --page-jj88-background-dark: #1a1a1a; /* Nền tối */
      --page-jj88-background-light: #2c2c2c; /* Nền sáng hơn */
      --page-jj88-border-color: #555555; /* Màu viền */
      --page-jj88-button-hover: #ffd700; /* Vàng sáng khi hover */
    }

    /* Base styles for the page content */
    .page-jj88 {
      font-family: 'Arial', sans-serif;
      color: var(--page-jj88-text-color);
      background-color: var(--page-jj88-background-dark);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 120px; /* Top padding to account for fixed header */
    }

    .page-jj88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-jj88__section {
      padding: 60px 0;
      text-align: center;
      position: relative;
    }

    .page-jj88__section--dark {
      background-color: var(--page-jj88-background-light);
    }

    .page-jj88__section-title {
      font-size: 2.8em;
      color: var(--page-jj88-primary-color);
      margin-bottom: 40px;
      text-transform: uppercase;
      font-weight: bold;
      letter-spacing: 1px;
    }

    .page-jj88__section-subtitle {
      font-size: 1.5em;
      color: var(--page-jj88-text-color);
      margin-bottom: 30px;
    }

    /* Hero Section */
    .page-jj88__hero-section {
      background-color: var(--page-jj88-background-dark);
      padding-top: 0; /* Already handled by main padding-top */
      position: relative;
      overflow: hidden;
    }

    .page-jj88__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 30px;
    }

    .page-jj88__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Ensure image is not stretched */
    }

    .page-jj88__hero-content {
      padding: 20px 15px 60px;
      text-align: center;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-jj88__hero-title {
      font-size: 3.5em;
      color: var(--page-jj88-primary-color);
      margin-bottom: 20px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-jj88__hero-description {
      font-size: 1.3em;
      color: var(--page-jj88-text-color);
      margin-bottom: 40px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-jj88__button {
      display: inline-block;
      background-color: var(--page-jj88-accent-color);
      color: var(--page-jj88-text-color);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-jj88__button:hover {
      background-color: var(--page-jj88-button-hover);
      transform: translateY(-3px);
      color: var(--page-jj88-secondary-color);
    }

    /* Floating Login Button */
    .page-jj88__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-jj88-accent-color);
      color: var(--page-jj88-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-jj88-pulse 1.5s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .page-jj88__floating-login-button:hover {
      background-color: var(--page-jj88-button-hover);
      transform: scale(1.05);
      animation: none;
      color: var(--page-jj88-secondary-color);
    }

    @keyframes page-jj88-pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(230, 46, 46, 0.7);
      }
      70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(230, 46, 46, 0);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(230, 46, 46, 0);
      }
    }

    /* Game Categories */
    .page-jj88__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }

    .page-jj88__category-card {
      background-color: var(--page-jj88-background-light);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid var(--page-jj88-border-color);
    }

    .page-jj88__category-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-jj88__category-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for category images */
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-jj88__category-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-jj88__category-content {
      padding: 20px;
    }

    .page-jj88__category-title {
      font-size: 1.8em;
      color: var(--page-jj88-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-jj88__category-description {
      font-size: 1em;
      color: var(--page-jj88-text-color);
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* Game Providers */
    .page-jj88__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 50px;
    }

    .page-jj88__provider-item {
      background-color: var(--page-jj88-background-light);
      border-radius: 8px;
      padding: 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid var(--page-jj88-border-color);
    }

    .page-jj88__provider-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-jj88__provider-logo {
      max-width: 100%;
      max-height: 80px;
      object-fit: contain;
      display: block;
    }

    /* Payment Methods */
    .page-jj88__payment-methods-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 50px;
    }

    .page-jj88__payment-item {
      background-color: var(--page-jj88-background-light);
      border-radius: 8px;
      padding: 10px;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 80px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid var(--page-jj88-border-color);
    }

    .page-jj88__payment-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-jj88__payment-logo {
      max-width: 90%;
      max-height: 60px;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-jj88__faq-list {
      margin-top: 40px;
      text-align: left;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-jj88__faq-item {
      background-color: var(--page-jj88-background-light);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--page-jj88-border-color);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-jj88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: var(--page-jj88-secondary-color);
      color: var(--page-jj88-primary-color);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-jj88__faq-question:hover {
      background-color: #444444;
    }

    .page-jj88__faq-question h3 {
      margin: 0;
      font-size: 1.2em; /* Ensure h3 matches parent font size */
      color: inherit;
      pointer-events: none; /* Prevent h3 from interfering with click event */
    }

    .page-jj88__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from interfering with click event */
    }

    .page-jj88__faq-item.active .page-jj88__faq-toggle {
      transform: rotate(45deg); /* Change + to X (or similar visual cue) */
    }

    .page-jj88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-jj88-text-color);
      text-align: left;
    }

    .page-jj88__faq-item.active .page-jj88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-jj88__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }
    .page-jj88__faq-answer p:last-child {
      padding-bottom: 0;
    }


    /* Responsive Design */
    @media (max-width: 768px) {
      .page-jj88 {
        padding-top: 100px; /* Adjust for mobile fixed header */
      }

      .page-jj88__section {
        padding: 40px 0;
      }

      .page-jj88__section-title {
        font-size: 2em;
        margin-bottom: 30px;
      }

      .page-jj88__section-subtitle {
        font-size: 1.2em;
        margin-bottom: 20px;
      }

      .page-jj88__hero-title {
        font-size: 2.5em;
      }

      .page-jj88__hero-description {
        font-size: 1em;
      }

      .page-jj88__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-jj88__floating-login-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 0.9em;
      }

      .page-jj88__game-categories {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-jj88__category-image-wrapper {
        height: 180px;
      }

      .page-jj88__category-title {
        font-size: 1.5em;
      }

      .page-jj88__providers-grid,
      .page-jj88__payment-methods-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 15px;
      }

      .page-jj88__provider-item,
      .page-jj88__payment-item {
        min-height: 70px;
      }

      .page-jj88__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-jj88__faq-question h3 {
        font-size: 1.1em;
      }

      .page-jj88__faq-answer {
        padding: 0 20px;
      }

      .page-jj88__faq-item.active .page-jj88__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsive optimization for mobile */
      .page-jj88 img {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-jj88__hero-image-wrapper,
      .page-jj88__category-image-wrapper,
      .page-jj88__provider-item,
      .page-jj88__payment-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-jj88__hero-title {
        font-size: 2em;
      }
      .page-jj88__floating-login-button {
        padding: 10px 15px;
        font-size: 0.85em;
        bottom: 10px;
        right: 10px;
      }
    }