/* Tổng quan */
    .page-trang {
      font-family: 'Arial', sans-serif;
      background-color: #000000; /* Nền đen */
      color: #FFFFFF; /* Chữ trắng */
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    .page-trang__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-trang__heading {
      color: #FFD700; /* Chữ vàng */
      margin-bottom: 20px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-trang__subheading {
      color: #FFFFFF;
      margin-bottom: 30px;
      font-size: 1.2em;
    }

    .page-trang__button {
      display: inline-block;
      background-color: #FFD700; /* Nền vàng */
      color: #000000; /* Chữ đen */
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-trang__button:hover {
      background-color: #e0b800; /* Vàng đậm hơn khi hover */
      color: #FFFFFF;
    }

    /* Hero Section */
    .page-trang__hero-section {
      padding-top: 140px; /* An toàn cho header cố định */
      background-color: #000000;
      position: relative;
      overflow: hidden;
    }

    .page-trang__hero-content {
      position: relative;
      z-index: 2;
      padding: 40px 15px;
      text-align: center;
    }

    .page-trang__hero-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        text-align: center;
        margin-bottom: 20px;
    }

    .page-trang__hero-image {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        border-radius: 8px;
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    }

    .page-trang__hero-title {
      font-size: 3.2em;
      color: #FFD700;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-trang__hero-description {
      font-size: 1.3em;
      color: #FFFFFF;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Login Button */
    .page-trang__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: #FFD700;
      color: #000000;
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
      transition: transform 0.3s ease, background-color 0.3s ease;
      animation: page-trang__pulse 2s infinite;
      text-decoration: none; /* Đảm bảo không có gạch chân */
    }

    .page-trang__floating-button:hover {
      background-color: #e0b800;
      transform: scale(1.05);
    }

    @keyframes page-trang__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* About Section */
    .page-trang__about-content {
      display: flex;
      flex-direction: column;
      gap: 20px;
      text-align: left;
    }

    .page-trang__about-text {
      font-size: 1.1em;
      color: #FFFFFF;
    }

    .page-trang__about-highlight {
      color: #FFD700;
      font-weight: bold;
    }

    /* Game Categories Section */
    .page-trang__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-trang__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
    }

    .page-trang__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
    }

    .page-trang__game-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        margin-bottom: 15px;
    }

    .page-trang__game-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin: 0 auto;
      display: block;
    }

    .page-trang__game-title {
      font-size: 1.5em;
      color: #FFD700;
      margin-bottom: 10px;
    }

    .page-trang__game-description {
      color: #CCCCCC;
      font-size: 0.95em;
    }

    /* Promotions Section */
    .page-trang__promotion-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      margin: 0 auto;
      max-width: 700px;
      text-align: center;
    }

    .page-trang__promotion-title {
      font-size: 2em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-trang__promotion-text {
      font-size: 1.1em;
      color: #FFFFFF;
      margin-bottom: 25px;
    }

    /* Game Providers Section */
    .page-trang__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-trang__provider-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      padding: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100px; /* Đảm bảo chiều cao tối thiểu */
    }

    .page-trang__provider-item:hover {
      transform: scale(1.05);
    }

    .page-trang__provider-logo-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-trang__provider-logo {
      max-width: 100%;
      height: auto;
      max-height: 80px; /* Giới hạn chiều cao logo */
      display: block;
    }

    /* Download App Section */
    .page-trang__download-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 25px;
    }

    .page-trang__download-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        text-align: center;
    }

    .page-trang__download-image {
      max-width: 300px; /* Giới hạn kích thước ảnh điện thoại */
      height: auto;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-trang__download-text {
      font-size: 1.1em;
      color: #FFFFFF;
      max-width: 600px;
    }

    /* FAQ Section */
    .page-trang__faq-container {
      max-width: 800px;
      margin: 0 auto;
      text-align: left;
    }

    .page-trang__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    .page-trang__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #2a2a2a;
      color: #FFD700;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

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

    .page-trang__faq-question h3 {
      margin: 0;
      color: #FFD700;
      font-size: 1.1em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
    }

    .page-trang__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
    }

    .page-trang__faq-item.active .page-trang__faq-toggle {
      transform: rotate(45deg); /* Biến đổi '+' thành 'x' hoặc '-' */
    }

    .page-trang__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Giữ padding ngang ban đầu */
      color: #CCCCCC;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-trang__faq-item.active .page-trang__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important; /* Padding khi mở */
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-trang__hero-section {
        padding-top: 100px; /* Điều chỉnh cho mobile */
      }

      .page-trang__hero-title {
        font-size: 2.2em;
      }

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

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

      .page-trang__subheading {
        font-size: 1em;
      }

      .page-trang__button {
        padding: 12px 25px;
        font-size: 0.9em;
      }

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

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

      .page-trang__provider-item {
        min-height: 80px;
      }

      .page-trang__download-image {
        max-width: 250px;
      }

      .page-trang__faq-question, .page-trang__faq-answer {
        font-size: 0.95em;
      }

      .page-trang__faq-item.active .page-trang__faq-answer {
        padding: 15px 15px !important; /* Padding khi mở trên mobile */
      }

      /* Responsive images for mobile */
      .page-trang__hero-image,
      .page-trang__game-image,
      .page-trang__provider-logo,
      .page-trang__download-image {
          max-width: 100% !important;
          height: auto !important;
      }

      .page-trang__hero-image-wrapper,
      .page-trang__game-image-wrapper,
      .page-trang__provider-logo-wrapper,
      .page-trang__download-image-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          overflow: hidden !important;
          box-sizing: border-box !important;
      }
    }