/* Tổng thể */
    .page-luck8app {
      font-family: 'Arial', sans-serif;
      color: #e0e0e0;
      background-color: #1a1a2e;
      line-height: 1.6;
      padding-bottom: 80px; /* Để tránh footer che mất nội dung */
    }

    .page-luck8app__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Tiêu đề */
    .page-luck8app__section-title {
      font-size: 2.2em;
      color: #ffc107;
      text-align: center;
      margin-bottom: 40px;
      font-weight: bold;
      padding-top: 20px;
    }

    .page-luck8app__section-subtitle {
      font-size: 1.5em;
      color: #e0e0e0;
      text-align: center;
      margin-bottom: 30px;
    }

    .page-luck8app__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-luck8app__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 60px; /* Cho header cố định */
      padding-bottom: 40px;
      background: linear-gradient(135deg, #2c0b4e 0%, #0f0a20 100%);
      text-align: center;
    }
    @media (min-width: 769px) {
      .page-luck8app__hero-section {
        padding-top: 80px; /* Cho header cố định trên desktop */
      }
    }

    .page-luck8app__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
      object-fit: cover;
      filter: brightness(0.8); /* Làm ảnh tối đi một chút để chữ nổi bật */
    }

    .page-luck8app__hero-content {
      position: relative;
      z-index: 10;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-luck8app__hero-title {
      font-size: 2.8em;
      color: #ffc107;
      margin-bottom: 15px;
      line-height: 1.2;
      font-weight: 700;
      text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    }

    .page-luck8app__hero-description {
      font-size: 1.2em;
      color: #e0e0e0;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-luck8app__cta-button {
      display: inline-block;
      background-color: #ffc107;
      color: #1a1a2e;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-luck8app__cta-button:hover {
      background-color: #e0a800;
      transform: translateY(-3px);
    }

    /* Nút nổi đăng nhập/khuyến mãi */
    .page-luck8app__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: #ff4500; /* Màu cam nổi bật */
      color: white;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-luck8app__pulse 2s infinite;
    }

    .page-luck8app__floating-button:hover {
      background-color: #e03e00;
      transform: scale(1.05);
    }

    @keyframes page-luck8app__pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 69, 0, 0.7); }
      70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(255, 69, 0, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 69, 0, 0); }
    }

    /* Phần lợi ích/tính năng */
    .page-luck8app__features-section {
      padding: 60px 0;
      background-color: #1a1a2e;
    }

    .page-luck8app__feature-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-luck8app__feature-item {
      background-color: #2e1a47;
      border-radius: 15px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      width: calc(33% - 20px); /* 3 cột trên desktop */
      box-sizing: border-box;
      max-width: 350px;
    }

    .page-luck8app__feature-item:hover {
      transform: translateY(-10px);
      background-color: #3f2a5a;
    }

    .page-luck8app__feature-image {
      width: 100%;
      max-width: 250px; /* Kích thước ảnh lớn hơn */
      height: auto;
      margin-bottom: 20px;
      border-radius: 10px;
      object-fit: cover;
    }

    .page-luck8app__feature-title {
      font-size: 1.5em;
      color: #ffc107;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-luck8app__feature-description {
      font-size: 1em;
      color: #cccccc;
    }

    /* Hướng dẫn tải */
    .page-luck8app__download-section {
      padding: 60px 0;
      background-color: #25143a;
    }

    .page-luck8app__download-steps {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .page-luck8app__step-item {
      display: flex;
      align-items: center;
      background-color: #3e2a5a;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-luck8app__step-item:hover {
      transform: translateY(-5px);
    }

    .page-luck8app__step-number {
      font-size: 3em;
      color: #ffc107;
      font-weight: bold;
      margin-right: 30px;
      flex-shrink: 0;
    }

    .page-luck8app__step-content {
      flex-grow: 1;
    }

    .page-luck8app__step-title {
      font-size: 1.8em;
      color: #ffc107;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-luck8app__step-description {
      font-size: 1.1em;
      color: #e0e0e0;
    }

    .page-luck8app__step-image {
      width: 100%;
      max-width: 300px;
      height: auto;
      margin-left: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      object-fit: contain;
    }

    /* Thư viện trò chơi */
    .page-luck8app__game-gallery-section {
      padding: 60px 0;
      background-color: #1a1a2e;
    }

    .page-luck8app__game-gallery {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      justify-content: center;
      padding: 0;
      margin: 0;
    }

    .page-luck8app__game-card {
      background-color: #2e1a47;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      box-sizing: border-box;
    }

    .page-luck8app__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .page-luck8app__game-image {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho ảnh trò chơi */
      object-fit: cover;
      display: block;
    }

    .page-luck8app__game-content {
      padding: 20px;
    }

    .page-luck8app__game-title {
      font-size: 1.4em;
      color: #ffc107;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-luck8app__game-description {
      font-size: 0.95em;
      color: #cccccc;
      margin-bottom: 15px;
    }

    /* Phần khuyến mãi */
    .page-luck8app__promo-section {
      padding: 60px 0;
      background-color: #25143a;
      text-align: center;
    }

    .page-luck8app__promo-content {
      background-color: #3e2a5a;
      border-radius: 20px;
      padding: 40px;
      max-width: 800px;
      margin: 0 auto;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    }

    .page-luck8app__promo-title {
      font-size: 2.5em;
      color: #ff4500; /* Màu cam cho khuyến mãi */
      margin-bottom: 20px;
      font-weight: bold;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-luck8app__promo-text {
      font-size: 1.2em;
      color: #e0e0e0;
      margin-bottom: 30px;
    }

    /* FAQ Section */
    .page-luck8app__faq-section {
      padding: 60px 0;
      background-color: #1a1a2e;
    }

    .page-luck8app__faq-list {
      max-width: 900px;
      margin: 0 auto;
      list-style: none;
      padding: 0;
    }

    .page-luck8app__faq-item {
      background-color: #2e1a47;
      border-radius: 10px;
      margin-bottom: 15px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      overflow: hidden;
    }

    .page-luck8app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #3e2a5a;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      transition: background-color 0.3s ease;
    }

    .page-luck8app__faq-question:hover {
      background-color: #4f3b6d;
    }

    .page-luck8app__faq-question h3 {
      margin: 0;
      font-size: 1.25em;
      color: #ffc107;
      font-weight: bold;
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
    }

    .page-luck8app__faq-toggle {
      font-size: 1.8em;
      color: #ffc107;
      font-weight: bold;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle */
    }

    .page-luck8app__faq-item.active .page-luck8app__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu '+' thành 'x' hoặc '-' */
    }

    .page-luck8app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      color: #cccccc;
      background-color: #2e1a47;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-luck8app__faq-item.active .page-luck8app__faq-answer {
      max-height: 2000px !important; /* Đảm bảo đủ cao cho mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .page-luck8app__hero-title {
        font-size: 2.2em;
      }
      .page-luck8app__hero-description {
        font-size: 1.1em;
      }
      .page-luck8app__feature-item {
        width: calc(50% - 20px); /* 2 cột trên tablet */
      }
      .page-luck8app__step-item {
        flex-direction: column;
        text-align: center;
      }
      .page-luck8app__step-number {
        margin-right: 0;
        margin-bottom: 20px;
      }
      .page-luck8app__step-image {
        margin-left: 0;
        margin-top: 20px;
      }
      .page-luck8app__game-gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
      .page-luck8app__promo-title {
        font-size: 2em;
      }
      .page-luck8app__promo-text {
        font-size: 1.1em;
      }
    }

    @media (max-width: 768px) {
      .page-luck8app__hero-section {
        padding-top: 10px; /* Đảm bảo hero không bị che trên di động */
      }
      .page-luck8app__hero-title {
        font-size: 1.8em;
      }
      .page-luck8app__hero-description {
        font-size: 1em;
      }
      .page-luck8app__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .page-luck8app__section-subtitle {
        font-size: 1.2em;
      }
      .page-luck8app__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important;
      }
      .page-luck8app__feature-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-luck8app__feature-description, .page-luck8app__game-description {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-luck8app__step-item {
        padding: 20px;
      }
      .page-luck8app__step-title {
        font-size: 1.5em;
      }
      .page-luck8app__step-description {
        font-size: 1em;
      }
      .page-luck8app__step-image {
        max-width: 250px;
      }
      .page-luck8app__game-gallery {
        grid-template-columns: 1fr;
      }
      .page-luck8app__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-luck8app__promo-title {
        font-size: 1.8em;
      }
      .page-luck8app__promo-content {
        padding: 30px 20px;
      }
      .page-luck8app__faq-question {
        padding: 15px 20px;
      }
      .page-luck8app__faq-question h3 {
        font-size: 1.1em;
      }
      .page-luck8app__faq-answer {
        padding: 0 20px;
      }
      .page-luck8app__faq-item.active .page-luck8app__faq-answer {
        padding: 15px 20px !important;
      }
    }

    @media (max-width: 480px) {
      .page-luck8app__hero-title {
        font-size: 1.5em;
      }
      .page-luck8app__hero-description {
        font-size: 0.9em;
      }
      .page-luck8app__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-luck8app__floating-button {
        padding: 10px 15px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }
      .page-luck8app__section-title {
        font-size: 1.6em;
      }
      .page-luck8app__feature-image {
        max-width: 200px;
      }
      .page-luck8app__feature-title {
        font-size: 1.3em;
      }
      .page-luck8app__step-number {
        font-size: 2.5em;
      }
      .page-luck8app__step-title {
        font-size: 1.3em;
      }
      .page-luck8app__game-title {
        font-size: 1.2em;
      }
      .page-luck8app__promo-title {
        font-size: 1.6em;
      }
      .page-luck8app__promo-text {
        font-size: 1em;
      }
      .page-luck8app__faq-question h3 {
        font-size: 1em;
      }
    }