/* Tổng quan */
    .page-01king88 {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f5f7fa;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi nút nổi */
    }

    .page-01king88__section {
      padding: 40px 15px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-01king88__section-title {
      font-size: 2.2em;
      color: #c0392b; /* Màu đỏ đậm */
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
      position: relative;
      padding-bottom: 10px;
    }

    .page-01king88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: #c0392b;
      border-radius: 2px;
    }

    .page-01king88__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    /* Hero Section */
    .page-01king88__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:banner:01king88,hero,main_banner]') no-repeat center center/cover;
      color: #fff;
      text-align: center;
      padding: 100px 15px 80px; /* Đảm bảo padding-top không bị che bởi header cố định */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 450px;
    }

    .page-01king88__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      line-height: 1.2;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-01king88__hero-description {
      font-size: 1.3em;
      margin-bottom: 40px;
      max-width: 800px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-01king88__cta-button {
      display: inline-block;
      background-color: #f39c12; /* Màu cam nổi bật */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      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-01king88__cta-button:hover {
      background-color: #e67e22;
      transform: translateY(-3px);
    }

    /* Floating Promotion Button */
    .page-01king88__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: pulse 2s infinite;
    }

    .page-01king88__floating-button {
      background-color: #27ae60; /* Màu xanh lá cây */
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      border: none;
      cursor: pointer;
    }

    .page-01king88__floating-button:hover {
      background-color: #2ecc71;
      transform: scale(1.05);
    }

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

    /* Game Grid */
    .page-01king88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-01king88__game-item {
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      box-sizing: border-box; /* Quan trọng cho responsive list item */
    }

    .page-01king88__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-01king88__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-01king88__game-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-01king88__game-title {
      font-size: 1.5em;
      color: #c0392b;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-01king88__game-description {
      font-size: 1em;
      color: #555;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-01king88__game-button {
      display: inline-block;
      background-color: #3498db;
      color: #fff;
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      text-align: center;
      border: none;
      cursor: pointer;
    }

    .page-01king88__game-button:hover {
      background-color: #2980b9;
    }

    /* Guide List */
    .page-01king88__guide-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
    }

    .page-01king88__guide-item {
      background-color: #fff;
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: flex-start;
      gap: 20px;
      box-sizing: border-box; /* Quan trọng cho responsive list item */
    }

    .page-01king88__guide-icon {
      flex-shrink: 0;
      width: 60px;
      height: 60px;
      background-color: #c0392b;
      color: #fff;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.8em;
      font-weight: bold;
    }

    .page-01king88__guide-content h3 {
      font-size: 1.4em;
      color: #c0392b;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-01king88__guide-content p {
      font-size: 1em;
      color: #555;
      margin-bottom: 0;
    }

    /* FAQ Section */
    .page-01king88__faq-section {
      background-color: #fff;
      padding: 40px 15px;
      max-width: 900px;
      margin: 40px auto;
      border-radius: 10px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .page-01king88__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
      box-sizing: border-box; /* Quan trọng cho responsive list item */
    }

    .page-01king88__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-01king88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-01king88__faq-question:hover {
      background-color: #f9f9f9;
    }

    .page-01king88__faq-question h3 {
      font-size: 1.15em;
      color: #333;
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-01king88__faq-toggle {
      font-size: 1.5em;
      color: #c0392b;
      font-weight: bold;
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-01king88__faq-item.active .page-01king88__faq-toggle {
      transform: rotate(45deg); /* Rotate '+' to 'x' or use '-' directly */
    }

    .page-01king88__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;
      color: #666;
      font-size: 1em;
    }

    .page-01king88__faq-item.active .page-01king88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }
    
    /* Responsive Design */
    @media (max-width: 768px) {
      .page-01king88__hero-section {
        padding-top: 80px; /* Adjust for smaller header on mobile */
        min-height: 350px;
      }

      .page-01king88__hero-title {
        font-size: 2.2em;
      }

      .page-01king88__hero-description {
        font-size: 1em;
      }

      .page-01king88__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-01king88__section-title {
        font-size: 1.8em;
      }

      .page-01king88__game-grid {
        grid-template-columns: 1fr;
      }

      .page-01king88__guide-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px;
        width: 100% !important; /* For list item */
        max-width: 100% !important; /* For list item */
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-01king88__guide-icon {
        margin-bottom: 15px;
      }

      .page-01king88__guide-list {
        width: 100% !important; /* For list container */
        max-width: 100% !important; /* For list container */
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-01king88__faq-question h3 {
        font-size: 1em;
      }

      .page-01king88__faq-answer {
        font-size: 0.95em;
        padding: 0 10px;
      }
      .page-01king88__faq-item.active .page-01king88__faq-answer {
        padding: 15px 10px !important;
      }
      
      /* Image responsive optimization */
      .page-01king88 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-01king88__game-image {
        max-width: 100% !important;
        height: 180px !important; /* Adjust height for mobile if needed */
        object-fit: cover !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-01king88__hero-title {
        font-size: 1.8em;
      }

      .page-01king88__hero-description {
        font-size: 0.9em;
      }

      .page-01king88__floating-button {
        padding: 12px 20px;
        font-size: 1em;
      }
    }