:root {
      --primary-color: #e02b2b; /* Đỏ rực rỡ */
      --secondary-color: #ffc107; /* Vàng nổi bật */
      --background-dark: #1a1a1a; /* Nền tối */
      --text-light: #f0f0f0; /* Chữ sáng */
      --text-dark: #333; /* Chữ tối */
      --accent-blue: #007bff; /* Xanh dương */
      --border-color: #444; /* Màu viền */
      --gradient-start: #333333;
      --gradient-end: #000000;
      --header-offset: 122px; /* Giá trị mặc định, sẽ bị ghi đè bởi shared.css nếu có */
    }

    .page-55-com {
      font-family: 'Arial', sans-serif;
      color: var(--text-light);
      background: linear-gradient(180deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      padding-top: var(--header-offset, 122px); /* Dự phòng nếu shared.css không đặt */
    }

    .page-55-com__hero-section {
      text-align: center;
      padding: 60px 20px 40px;
      background: url('[GALLERY:hero:1920x1080:casino,sports,background,55com]') no-repeat center center/cover;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      padding-top: 10px; /* Khoảng đệm nhỏ phía trên sau khi body đã có padding */
    }

    .page-55-com__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.6); /* Lớp phủ tối */
      z-index: 1;
    }

    .page-55-com__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-55-com__hero-title {
      font-size: 3.5em;
      color: var(--secondary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
      font-weight: bold;
    }

    .page-55-com__hero-subtitle {
      font-size: 1.5em;
      color: var(--text-light);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-55-com__promo-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-55-com__promo-button:hover {
      background-color: #c02222;
      transform: translateY(-2px);
    }

    .page-55-com__section {
      padding: 60px 20px;
      text-align: center;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-55-com__section-title {
      font-size: 2.8em;
      color: var(--secondary-color);
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 15px;
    }

    .page-55-com__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .page-55-com__text-content {
      font-size: 1.1em;
      line-height: 1.6;
      margin-bottom: 30px;
      color: var(--text-light);
    }

    .page-55-com__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-55-com__game-card {
      background-color: #2a2a2a;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
      text-align: left;
    }

    .page-55-com__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    }

    .page-55-com__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--border-color);
    }

    .page-55-com__game-info {
      padding: 20px;
    }

    .page-55-com__game-title {
      font-size: 1.5em;
      color: var(--secondary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-55-com__game-description {
      font-size: 0.95em;
      color: var(--text-light);
      line-height: 1.5;
    }

    .page-55-com__promotion-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      list-style: none;
      padding: 0;
      margin-top: 40px;
    }

    .page-55-com__promotion-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      text-align: left;
      border: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
      box-sizing: border-box; /* Yêu cầu cho các mục danh sách */
    }

    .page-55-com__promotion-item:hover {
      background-color: #3a3a3a;
    }

    .page-55-com__promotion-title {
      font-size: 1.6em;
      color: var(--primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-55-com__promotion-description {
      font-size: 1em;
      color: var(--text-light);
      line-height: 1.6;
    }

    .page-55-com__faq-section {
      padding: 60px 20px;
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
    }

    .page-55-com__faq-title {
      font-size: 2.8em;
      color: var(--secondary-color);
      margin-bottom: 40px;
      text-align: center;
      position: relative;
      padding-bottom: 15px;
    }

    .page-55-com__faq-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .page-55-com__faq-item {
      background-color: #2a2a2a;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-55-com__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #333;
      color: var(--text-light);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-55-com__faq-question:hover {
      background-color: #444;
    }

    .page-55-com__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      color: inherit;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên phần tử cha */
    }

    .page-55-com__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn biểu tượng toggle chặn sự kiện click trên phần tử cha */
    }

    .page-55-com__faq-item.active .page-55-com__faq-toggle {
      transform: rotate(45deg); /* Thay đổi + thành X (hoặc tương tự) */
    }

    .page-55-com__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--text-light);
      background-color: #2a2a2a;
    }

    .page-55-com__faq-item.active .page-55-com__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-55-com__cta-section {
      text-align: center;
      padding: 60px 20px;
      background-color: #222;
      border-top: 1px solid var(--border-color);
      margin-top: 40px;
    }

    .page-55-com__cta-title {
      font-size: 2.5em;
      color: var(--secondary-color);
      margin-bottom: 25px;
    }

    .page-55-com__cta-description {
      font-size: 1.2em;
      color: var(--text-light);
      margin-bottom: 35px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-55-com__cta-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-55-com__cta-button {
      display: inline-block;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      min-width: 150px;
    }

    .page-55-com__cta-button--register {
      background-color: var(--primary-color);
      color: var(--text-light);
    }

    .page-55-com__cta-button--register:hover {
      background-color: #c02222;
      transform: translateY(-2px);
    }

    .page-55-com__cta-button--login {
      background-color: var(--accent-blue);
      color: var(--text-light);
    }

    .page-55-com__cta-button--login:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-55-com__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
      z-index: 1000;
    }

    .page-55-com__floating-button {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      font-size: 0.9em;
      font-weight: bold;
      color: var(--text-light);
      text-decoration: none;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: transform 0.2s ease, background-color 0.3s ease;
      text-align: center;
      line-height: 1.2;
      padding: 5px;
      box-sizing: border-box;
    }

    .page-55-com__floating-button:hover {
      transform: scale(1.05);
    }

    .page-55-com__floating-button--register {
      background-color: var(--primary-color);
    }

    .page-55-com__floating-button--register:hover {
      background-color: #c02222;
    }

    .page-55-com__floating-button--login {
      background-color: var(--accent-blue);
    }

    .page-55-com__floating-button--login:hover {
      background-color: #0056b3;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-55-com__hero-section {
        padding: 40px 15px 30px;
        min-height: 400px;
      }

      .page-55-com__hero-title {
        font-size: 2.5em;
      }

      .page-55-com__hero-subtitle {
        font-size: 1.2em;
      }

      .page-55-com__promo-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-55-com__section {
        padding: 40px 15px;
      }

      .page-55-com__section-title {
        font-size: 2em;
        margin-bottom: 30px;
      }

      .page-55-com__text-content {
        font-size: 1em;
      }

      .page-55-com__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-55-com__game-image {
        height: 180px;
      }

      .page-55-com__game-title {
        font-size: 1.3em;
      }

      .page-55-com__promotion-list {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-55-com__promotion-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-55-com__promotion-title {
        font-size: 1.4em;
      }

      .page-55-com__faq-section {
        padding: 40px 15px;
      }

      .page-55-com__faq-title {
        font-size: 2em;
      }

      .page-55-com__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-55-com__faq-answer {
        padding: 0 20px;
      }

      .page-55-com__faq-item.active .page-55-com__faq-answer {
        padding: 15px 20px !important;
      }

      .page-55-com__cta-title {
        font-size: 2em;
      }

      .page-55-com__cta-description {
        font-size: 1em;
      }

      .page-55-com__cta-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-55-com__cta-button {
        width: 100%;
        max-width: 300px; /* Giới hạn chiều rộng cho màn hình rất nhỏ */
        margin: 0 auto;
      }

      .page-55-com__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 10px;
      }

      .page-55-com__floating-button {
        width: 50px;
        height: 50px;
        font-size: 0.8em;
      }
    }

    /* Đảm bảo tất cả hình ảnh đều responsive */
    .page-55-com img {
      max-width: 100%;
      height: auto;
      display: block; /* Loại bỏ khoảng trống thừa bên dưới hình ảnh */
    }
    .page-55-com__game-card img,
    .page-55-com__hero-section img {
      max-width: 100% !important;
      height: auto !important;
      box-sizing: border-box !important;
    }
    .page-55-com__game-card {
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }
    .page-55-com__game-description {
      word-break: break-word !important;
    }
    .page-55-com__promotion-description {
      word-break: break-word !important;
    }
    .page-55-com__faq-answer p {
      word-break: break-word !important;
    }