/* Tổng quan */
    .page-dt68link {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f9fa;
      padding-bottom: 80px; /* Đủ khoảng trống cho nút nổi */
    }

    /* Các phần chung */
    .page-dt68link__section {
      padding: 40px 15px;
      margin-bottom: 20px;
      background-color: #fff;
      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-dt68link__section--dark {
      background-color: #2c3e50;
      color: #ecf0f1;
    }

    .page-dt68link__heading {
      text-align: center;
      color: #2c3e50;
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-dt68link__heading--dark {
      color: #ecf0f1;
    }

    .page-dt68link__sub-heading {
      color: #e74c3c;
      font-size: 1.8em;
      margin-bottom: 20px;
      text-align: center;
    }

    .page-dt68link__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-dt68link__button {
      display: block;
      width: fit-content;
      margin: 20px auto;
      padding: 15px 30px;
      background-color: #e74c3c;
      color: #fff;
      text-decoration: none;
      border-radius: 30px;
      font-size: 1.2em;
      font-weight: bold;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-dt68link__button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-dt68link__hero-section {
      text-align: center;
      padding: 10px 0 40px 0; /* Padding-top để tránh header cố định */
      background-color: #1a2a3a;
      color: #fff;
      overflow: hidden;
      position: relative;
    }

    .page-dt68link__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 8px;
      object-fit: cover;
      box-sizing: border-box;
    }

    .page-dt68link__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: #f39c12;
      line-height: 1.2;
    }

    .page-dt68link__hero-description {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: #ecf0f1;
    }

    /* Nút đăng nhập nổi */
    .page-dt68link__floating-promo {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: #e74c3c;
      color: #fff;
      text-align: center;
      padding: 15px 10px;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      box-sizing: border-box;
    }

    .page-dt68link__floating-promo-button {
      display: block;
      width: 90%;
      max-width: 400px;
      margin: 0 auto;
      padding: 12px 20px;
      background-color: #f39c12;
      color: #fff;
      text-decoration: none;
      border-radius: 25px;
      font-size: 1.3em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: none;
      cursor: pointer;
    }

    .page-dt68link__floating-promo-button:hover {
      background-color: #e67e22;
      transform: translateY(-3px);
    }

    /* Phần hướng dẫn truy cập */
    .page-dt68link__access-steps {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
      margin-top: 30px;
    }

    .page-dt68link__step-card {
      background-color: #f3f3f3;
      border-radius: 10px;
      padding: 25px;
      text-align: center;
      flex: 1 1 calc(33% - 20px);
      min-width: 280px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-dt68link__step-card:hover {
      transform: translateY(-5px);
    }

    .page-dt68link__step-number {
      font-size: 2.5em;
      color: #e74c3c;
      font-weight: bold;
      margin-bottom: 10px;
    }

    .page-dt68link__step-title {
      font-size: 1.5em;
      color: #2c3e50;
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-dt68link__step-description {
      font-size: 1em;
      color: #555;
    }

    /* Phần trò chơi phổ biến */
    .page-dt68link__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-dt68link__game-card {
      background-color: #f9f9f9;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-dt68link__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-dt68link__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      box-sizing: border-box;
    }

    .page-dt68link__game-content {
      padding: 20px;
    }

    .page-dt68link__game-title {
      font-size: 1.6em;
      color: #e74c3c;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-dt68link__game-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
    }

    /* Phần ưu đãi */
    .page-dt68link__promo-list {
      list-style: none;
      padding: 0;
      margin: 30px 0 0 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 15px;
    }

    .page-dt68link__promo-item {
      background-color: #fdf6e7;
      border-left: 5px solid #f39c12;
      padding: 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-dt68link__promo-icon {
      font-size: 2.5em;
      color: #f39c12;
      line-height: 1;
    }

    .page-dt68link__promo-text {
      font-size: 1.1em;
      color: #333;
      flex-grow: 1;
    }

    .page-dt68link__promo-highlight {
      font-weight: bold;
      color: #e74c3c;
    }

    /* FAQ Section */
    .page-dt68link__faq-list {
      list-style: none;
      padding: 0;
      margin: 30px 0 0 0;
    }

    .page-dt68link__faq-item {
      background-color: #f9f9f9;
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-dt68link__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #eaf1f8;
      cursor: pointer;
      user-select: none;
      font-size: 1.2em;
      font-weight: bold;
      color: #2c3e50;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-dt68link__faq-question:hover {
      background-color: #dbe4ee;
    }

    .page-dt68link__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      text-align: left;
      font-size: 1em; /* Adjust to match parent font size */
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-dt68link__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-dt68link__faq-item.active .page-dt68link__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'X' or '−' */
    }

    .page-dt68link__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      box-sizing: border-box;
      color: #555;
    }

    .page-dt68link__faq-item.active .page-dt68link__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Media Queries cho di động */
    @media (max-width: 768px) {
      .page-dt68link__section {
        padding: 25px 10px;
      }

      .page-dt68link__hero-section {
        padding-top: 10px; /* Đảm bảo không bị che bởi header cố định */
        padding-bottom: 25px;
      }

      .page-dt68link__hero-title {
        font-size: 2em;
      }

      .page-dt68link__hero-description {
        font-size: 1em;
      }

      .page-dt68link__heading {
        font-size: 2em;
        margin-bottom: 20px;
      }

      .page-dt68link__sub-heading {
        font-size: 1.5em;
      }

      .page-dt68link__button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-dt68link__step-card {
        flex: 1 1 100%;
        max-width: 100%;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-dt68link__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-dt68link__game-image {
        height: 180px;
      }

      .page-dt68link__game-title {
        font-size: 1.4em;
      }

      .page-dt68link__promo-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
      }

      .page-dt68link__promo-icon {
        margin-bottom: 5px;
      }

      .page-dt68link__promo-text {
        font-size: 1em;
      }

      .page-dt68link__faq-question {
        padding: 12px 15px;
        font-size: 1.1em;
      }

      .page-dt68link__faq-answer {
        padding: 0 15px;
      }

      .page-dt68link__faq-item.active .page-dt68link__faq-answer {
        padding: 15px 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-dt68link__hero-title {
        font-size: 1.8em;
      }
      .page-dt68link__heading {
        font-size: 1.8em;
      }
      .page-dt68link__sub-heading {
        font-size: 1.3em;
      }
    }