:root {
      --page-bonus-primary-color: #ff4d4d; /* Đỏ tươi */
      --page-bonus-secondary-color: #ff7f50; /* Cam san hô */
      --page-bonus-accent-color: #ffd700; /* Vàng kim */
      --page-bonus-background-light: #f5f5f5; /* Xám nhạt */
      --page-bonus-background-dark: #2c3e50; /* Xám xanh đậm */
      --page-bonus-text-dark: #333333; /* Đen */
      --page-bonus-text-light: #ffffff; /* Trắng */
      --page-bonus-border-color: #e0e0e0; /* Xám viền */
      --page-bonus-shadow-color: rgba(0, 0, 0, 0.1);
    }

    .page-bonus {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-bonus-text-dark);
      background-color: var(--page-bonus-background-light);
      padding-top: 120px; /* Thêm khoảng cách cho header cố định */
    }

    @media (max-width: 768px) {
      .page-bonus {
        padding-top: 100px; /* Khoảng cách cho header cố định trên di động */
      }
    }

    .page-bonus__hero-section {
      background: linear-gradient(135deg, var(--page-bonus-primary-color), var(--page-bonus-secondary-color));
      color: var(--page-bonus-text-light);
      text-align: center;
      padding: 40px 20px;
      position: relative;
      overflow: hidden;
      margin-bottom: 30px;
      border-bottom-left-radius: 20px;
      border-bottom-right-radius: 20px;
      box-shadow: 0 4px 15px var(--page-bonus-shadow-color);
    }

    .page-bonus__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: 15px;
      margin-bottom: 20px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-bonus__hero-content {
      position: relative;
      z-index: 1;
    }

    .page-bonus__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      color: var(--page-bonus-text-light);
    }

    .page-bonus__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: var(--page-bonus-text-light);
    }

    .page-bonus__cta-button {
      display: inline-block;
      background-color: var(--page-bonus-accent-color);
      color: var(--page-bonus-text-dark);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: all 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      border: none;
      cursor: pointer;
    }

    .page-bonus__cta-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    .page-bonus__floating-cta {
      position: sticky;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: calc(100% - 40px);
      max-width: 400px;
      background: linear-gradient(90deg, #4CAF50, #8BC34A); /* Xanh lá cây */
      color: var(--page-bonus-text-light);
      padding: 15px 20px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 100;
      animation: pulse 2s infinite;
      margin-top: 30px; /* Ensure it's not too close to content above */
    }

    @keyframes pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-bonus__floating-cta-text {
      font-size: 1.1em;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-bonus__floating-cta-button {
      background-color: var(--page-bonus-accent-color);
      color: var(--page-bonus-text-dark);
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      font-size: 1em;
      border: none;
      cursor: pointer;
    }

    .page-bonus__floating-cta-button:hover {
      background-color: #e6c200;
    }

    .page-bonus__section {
      padding: 30px 20px;
      max-width: 1200px;
      margin: 0 auto 30px auto;
      background-color: var(--page-bonus-text-light);
      border-radius: 15px;
      box-shadow: 0 2px 10px var(--page-bonus-shadow-color);
    }

    .page-bonus__section-title {
      font-size: 2.2em;
      color: var(--page-bonus-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
      position: relative;
      padding-bottom: 10px;
    }

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

    .page-bonus__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-bonus__card {
      background-color: var(--page-bonus-background-light);
      border-radius: 12px;
      box-shadow: 0 4px 12px var(--page-bonus-shadow-color);
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      border: 1px solid var(--page-bonus-border-color);
    }

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

    .page-bonus__card-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      border-radius: 8px;
    }

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

    .page-bonus__card-title {
      font-size: 1.4em;
      color: var(--page-bonus-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-bonus__card-text {
      font-size: 0.95em;
      color: var(--page-bonus-text-dark);
      flex-grow: 1;
      margin-bottom: 15px;
    }

    .page-bonus__card-link {
      display: inline-block;
      background-color: var(--page-bonus-primary-color);
      color: var(--page-bonus-text-light);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .page-bonus__card-link:hover {
      background-color: #d63c3c;
    }

    .page-bonus__game-providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 15px;
      justify-items: center;
      align-items: center;
    }

    .page-bonus__provider-logo-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      background-color: var(--page-bonus-text-light);
      border-radius: 8px;
      padding: 10px;
      box-shadow: 0 2px 8px var(--page-bonus-shadow-color);
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-bonus__provider-logo {
      max-width: 100%;
      height: auto;
      max-height: 80px; /* Adjust as needed */
      display: block;
    }

    .page-bonus__faq-section {
      padding: 30px 20px;
      max-width: 900px;
      margin: 0 auto 30px auto;
      background-color: var(--page-bonus-text-light);
      border-radius: 15px;
      box-shadow: 0 2px 10px var(--page-bonus-shadow-color);
    }

    .page-bonus__faq-item {
      border-bottom: 1px solid var(--page-bonus-border-color);
      padding-bottom: 10px;
      margin-bottom: 10px;
    }

    .page-bonus__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .page-bonus__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 15px 0;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-bonus-text-dark);
      transition: color 0.3s ease;
      user-select: none;
    }

    .page-bonus__faq-question:hover {
      color: var(--page-bonus-primary-color);
    }

    .page-bonus__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      text-align: left;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-bonus__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      color: var(--page-bonus-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click on parent */
    }

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

    .page-bonus__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 0.3s ease;
      color: var(--page-bonus-text-dark);
      font-size: 0.95em;
    }

    .page-bonus__faq-item.active .page-bonus__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-bonus__faq-answer p {
      margin-bottom: 10px;
    }

    .page-bonus__ranking-section {
      padding: 30px 20px;
      max-width: 900px;
      margin: 0 auto 30px auto;
      background-color: var(--page-bonus-text-light);
      border-radius: 15px;
      box-shadow: 0 2px 10px var(--page-bonus-shadow-color);
    }

    .page-bonus__ranking-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-bonus__ranking-item {
      display: flex;
      align-items: center;
      padding: 15px 20px;
      margin-bottom: 10px;
      background-color: var(--page-bonus-background-light);
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      border-left: 5px solid var(--page-bonus-primary-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-bonus__ranking-item:hover {
      transform: translateX(5px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .page-bonus__ranking-number {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-bonus-primary-color);
      margin-right: 20px;
      width: 40px;
      text-align: center;
    }

    .page-bonus__ranking-name {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-bonus-text-dark);
      flex-grow: 1;
    }

    .page-bonus__ranking-button {
      background-color: var(--page-bonus-accent-color);
      color: var(--page-bonus-text-dark);
      padding: 8px 15px;
      border-radius: 20px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
    }

    .page-bonus__ranking-button:hover {
      background-color: #e6c200;
    }

    @media (max-width: 768px) {
      .page-bonus__hero-title {
        font-size: 2em;
      }

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

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

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

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

      .page-bonus__card {
        padding: 15px;
      }

      .page-bonus__card-title {
        font-size: 1.2em;
      }

      .page-bonus__card-text {
        font-size: 0.9em;
      }

      .page-bonus__game-providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }

      .page-bonus__provider-logo {
        max-height: 60px;
      }

      .page-bonus__faq-question {
        font-size: 1em;
        padding: 12px 0;
      }

      .page-bonus__faq-answer {
        padding: 15px 10px !important;
        font-size: 0.9em;
      }

      .page-bonus__ranking-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 15px;
      }

      .page-bonus__ranking-number {
        margin-bottom: 5px;
        margin-right: 0;
        font-size: 1.5em;
      }

      .page-bonus__ranking-name {
        margin-bottom: 10px;
        font-size: 1.1em;
      }

      .page-bonus__ranking-button {
        width: 100%;
        text-align: center;
      }
    }

    /* Responsive image containers for all images */
    .page-bonus img {
        max-width: 100%;
        height: auto;
        display: block; /* Ensures images don't have extra space below */
    }
    .page-bonus__card-image-container,
    .page-bonus__provider-logo-container,
    .page-bonus__hero-image-container {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    @media (max-width: 768px) {
        .page-bonus img {
            max-width: 100% !important;
            height: auto !important;
        }
        .page-bonus__card-image-container,
        .page-bonus__provider-logo-container,
        .page-bonus__hero-image-container {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
    }