:root {
      --page-22luck8-primary-color: #e44d26; /* Cam đỏ */
      --page-22luck8-secondary-color: #f7931e; /* Cam sáng */
      --page-22luck8-accent-color: #4CAF50; /* Xanh lá */
      --page-22luck8-dark-bg: #1a1a1a;
      --page-22luck8-light-bg: #f5f5f5;
      --page-22luck8-text-color: #333;
      --page-22luck8-white: #ffffff;
      --page-22luck8-gray: #666;
    }

    .page-22luck8 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-22luck8-text-color);
      background-color: var(--page-22luck8-light-bg);
      overflow-x: hidden;
    }

    .page-22luck8__hero-section {
      position: relative;
      width: 100%;
      min-height: 450px; /* Adjusted for content below image */
      display: flex;
      flex-direction: column;
      justify-content: flex-start; /* Align content to top */
      align-items: center;
      text-align: center;
      padding-top: 60px; /* Space for fixed header */
      padding-bottom: 30px;
      background: linear-gradient(135deg, var(--page-22luck8-primary-color), var(--page-22luck8-secondary-color));
      color: var(--page-22luck8-white);
      box-sizing: border-box;
    }

    .page-22luck8__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3; /* Subtle overlay */
    }

    .page-22luck8__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      padding: 20px;
      background: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
      margin-top: 20px; /* Space from top edge, below padding-top */
    }

    .page-22luck8__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: bold;
      color: var(--page-22luck8-white);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-22luck8__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 25px;
      color: var(--page-22luck8-white);
    }

    .page-22luck8__floating-promo-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-22luck8-accent-color);
      color: var(--page-22luck8-white);
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-align: center;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: all 0.3s ease;
      animation: page-22luck8__pulse 2s infinite;
      cursor: pointer; /* Indicate it's clickable, even without an <a> tag */
      border: none; /* Use button tag for semantic correctness */
    }

    .page-22luck8__floating-promo-button:hover {
      background-color: #449d48;
      transform: translateX(-50%) scale(1.05);
    }

    @keyframes page-22luck8__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-22luck8__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-22luck8-white);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-22luck8__section-dark {
      background-color: var(--page-22luck8-dark-bg);
      color: var(--page-22luck8-white);
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-22luck8__heading-primary {
      font-size: 2.2em;
      color: var(--page-22luck8-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-22luck8__heading-primary::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-22luck8-secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-22luck8__heading-secondary {
      font-size: 1.8em;
      color: var(--page-22luck8-primary-color);
      margin-top: 30px;
      margin-bottom: 20px;
    }

    .page-22luck8__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: var(--page-22luck8-text-color);
    }

    .page-22luck8__text-dark {
      color: var(--page-22luck8-white);
    }

    .page-22luck8__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-22luck8__game-card {
      background-color: var(--page-22luck8-light-bg);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .page-22luck8__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-22luck8__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-22luck8__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-22luck8__game-card-title {
      font-size: 1.4em;
      color: var(--page-22luck8-primary-color);
      margin-bottom: 10px;
    }

    .page-22luck8__game-card-description {
      font-size: 0.95em;
      color: var(--page-22luck8-gray);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-22luck8__button {
      display: inline-block;
      background-color: var(--page-22luck8-accent-color);
      color: var(--page-22luck8-white);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-22luck8__button:hover {
      background-color: #449d48;
    }

    .page-22luck8__promo-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-22luck8__promo-item {
      background-color: var(--page-22luck8-white);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: flex-start;
      gap: 15px;
      box-sizing: border-box;
    }

    .page-22luck8__promo-icon {
      font-size: 2em;
      color: var(--page-22luck8-primary-color);
      line-height: 1;
    }

    .page-22luck8__promo-content h3 {
      font-size: 1.3em;
      color: var(--page-22luck8-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-22luck8__promo-content p {
      font-size: 0.95em;
      color: var(--page-22luck8-gray);
      margin-bottom: 0;
    }

    .page-22luck8__steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-22luck8__step-card {
      background-color: var(--page-22luck8-dark-bg);
      color: var(--page-22luck8-white);
      padding: 30px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-22luck8__step-card:hover {
      transform: translateY(-5px);
    }

    .page-22luck8__step-icon {
      font-size: 3em;
      color: var(--page-22luck8-secondary-color);
      margin-bottom: 15px;
    }

    .page-22luck8__step-title {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--page-22luck8-white);
    }

    .page-22luck8__step-description {
      font-size: 0.95em;
      color: rgba(255, 255, 255, 0.8);
    }

    .page-22luck8__feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-22luck8__feature-item {
      background-color: var(--page-22luck8-light-bg);
      padding: 20px;
      border-left: 5px solid var(--page-22luck8-primary-color);
      border-radius: 5px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-22luck8__feature-item h3 {
      font-size: 1.2em;
      color: var(--page-22luck8-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-22luck8__feature-item p {
      font-size: 0.95em;
      color: var(--page-22luck8-gray);
      margin-bottom: 0;
    }

    /* FAQ Section */
    .page-22luck8__faq-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      background-color: var(--page-22luck8-white);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-22luck8__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
      box-sizing: border-box;
    }

    .page-22luck8__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-22luck8__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      cursor: pointer;
      background-color: var(--page-22luck8-light-bg);
      border-radius: 5px;
      margin-bottom: 5px;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-22luck8__faq-question:hover {
      background-color: #e9e9e9;
    }

    .page-22luck8__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-22luck8-text-color);
      pointer-events: none; /* Prevents text from blocking click event */
      flex-grow: 1;
      text-align: left;
    }

    .page-22luck8__faq-toggle {
      font-size: 1.8em;
      color: var(--page-22luck8-primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon from blocking click event */
      line-height: 1;
    }

    .page-22luck8__faq-item.active .page-22luck8__faq-toggle {
      transform: rotate(45deg);
    }

    .page-22luck8__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: #fcfcfc;
      border-radius: 0 0 5px 5px;
      box-sizing: border-box;
    }

    .page-22luck8__faq-item.active .page-22luck8__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-22luck8__faq-answer p {
      margin: 0;
      color: var(--page-22luck8-gray);
      font-size: 0.95em;
    }

    /* Floating Ad Menu */
    .page-22luck8__floating-ad-menu {
      position: fixed;
      right: 15px;
      bottom: 100px; /* Above the login button */
      background-color: var(--page-22luck8-primary-color);
      color: var(--page-22luck8-white);
      padding: 10px 15px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      z-index: 999;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 10px;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .page-22luck8__floating-ad-menu:hover {
      background-color: #c43e1d;
    }

    .page-22luck8__floating-ad-menu-text {
      font-weight: bold;
      font-size: 1.1em;
      margin: 0;
    }

    .page-22luck8__floating-ad-menu-subtext {
      font-size: 0.9em;
      margin: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-22luck8__hero-section {
        min-height: 350px;
        padding-top: 60px; /* Ensure space for header */
      }

      .page-22luck8__hero-title {
        font-size: 2em;
      }

      .page-22luck8__hero-subtitle {
        font-size: 1.1em;
      }

      .page-22luck8__floating-promo-button {
        width: calc(100% - 40px);
        left: 20px;
        transform: translateX(0);
        bottom: 15px;
        font-size: 1em;
        padding: 12px 20px;
      }

      .page-22luck8__floating-promo-button:hover {
        transform: scale(1.02);
      }

      .page-22luck8__section, .page-22luck8__section-dark, .page-22luck8__faq-section {
        padding: 25px 15px;
        margin-left: 10px;
        margin-right: 10px;
      }

      .page-22luck8__heading-primary {
        font-size: 1.8em;
      }

      .page-22luck8__heading-secondary {
        font-size: 1.5em;
      }

      .page-22luck8__text {
        font-size: 1em;
      }

      .page-22luck8__game-grid, .page-22luck8__promo-list, .page-22luck8__steps-grid, .page-22luck8__feature-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      /* List item specific mobile responsiveness */
      .page-22luck8__promo-list, .page-22luck8__feature-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-22luck8__promo-item, .page-22luck8__feature-item, .page-22luck8__game-card, .page-22luck8__step-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important; /* Adjust padding to fit smaller screens */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-22luck8__game-card-image {
        height: 180px;
      }

      .page-22luck8__faq-question {
        padding: 12px;
      }

      .page-22luck8__faq-question h3 {
        font-size: 1em;
      }

      .page-22luck8__faq-toggle {
        font-size: 1.5em;
      }

      .page-22luck8__faq-answer {
        padding: 15px 12px !important;
      }

      .page-22luck8__floating-ad-menu {
        right: 10px;
        bottom: 80px; /* Adjust to be above the wider floating button */
        padding: 8px 12px;
      }
      .page-22luck8__floating-ad-menu-text {
        font-size: 0.9em;
      }
      .page-22luck8__floating-ad-menu-subtext {
        font-size: 0.8em;
      }

      /* Image responsiveness */
      .page-22luck8 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-22luck8__hero-background {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-22luck8__hero-title {
        font-size: 1.8em;
      }
      .page-22luck8__hero-subtitle {
        font-size: 1em;
      }
      .page-22luck8__floating-promo-button {
        font-size: 0.9em;
        padding: 10px 15px;
      }
    }