/* Reset và các biến cơ bản */
    :root {
      --page-i9bet58-primary-color: #e44d26; /* Cam đỏ */
      --page-i9bet58-secondary-color: #333;
      --page-i9bet58-accent-color: #f7b200; /* Vàng */
      --page-i9bet58-text-color: #333;
      --page-i9bet58-light-text-color: #f8f8f8;
      --page-i9bet58-bg-light: #f4f4f4;
      --page-i9bet58-bg-dark: #2c3e50;
      --page-i9bet58-border-radius: 8px;
      --page-i9bet58-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-i9bet58 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-i9bet58-text-color);
      background-color: #fff;
    }

    .page-i9bet58__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: var(--page-i9bet58-border-radius);
      box-shadow: var(--page-i9bet58-shadow);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-i9bet58__section--dark {
      background-color: var(--page-i9bet58-bg-dark);
      color: var(--page-i9bet58-light-text-color);
    }

    .page-i9bet58__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-i9bet58__h1,
    .page-i9bet58__h2,
    .page-i9bet58__h3 {
      color: var(--page-i9bet58-primary-color);
      text-align: center;
      margin-bottom: 25px;
      font-weight: bold;
    }

    .page-i9bet58__h1 {
      font-size: 2.8em;
      color: var(--page-i9bet58-light-text-color); /* For hero section */
    }

    .page-i9bet58__h2 {
      font-size: 2.2em;
    }

    .page-i9bet58__h3 {
      font-size: 1.8em;
      color: var(--page-i9bet58-secondary-color);
    }

    .page-i9bet58__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-i9bet58__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-i9bet58-accent-color);
      color: var(--page-i9bet58-text-color);
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      text-align: center;
    }

    .page-i9bet58__button:hover {
      background-color: #e6a100;
      transform: translateY(-2px);
    }

    .page-i9bet58__button--primary {
      background-color: var(--page-i9bet58-primary-color);
      color: var(--page-i9bet58-light-text-color);
    }

    .page-i9bet58__button--primary:hover {
      background-color: #c73e1f;
    }

    /* Hero Section */
    .page-i9bet58__hero-section {
      position: relative;
      width: 100%;
      height: 450px; /* Adjusted height for content */
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--page-i9bet58-light-text-color);
      overflow: hidden;
      padding-top: 10px; /* Fixed header spacing - desktop */
      box-sizing: border-box;
    }

    .page-i9bet58__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Make text more readable */
    }

    .page-i9bet58__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      padding: 0 20px;
    }

    .page-i9bet58__hero-content .page-i9bet58__h1 {
      margin-bottom: 15px;
    }

    .page-i9bet58__hero-content .page-i9bet58__text {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-i9bet58-light-text-color);
      text-align: center;
    }

    /* Floating Login Button */
    .page-i9bet58__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      width: auto; /* Adjust width to content */
      max-width: 280px; /* Limit width */
      box-shadow: var(--page-i9bet58-shadow);
      border-radius: 50px;
      overflow: hidden; /* Ensure button content stays within border-radius */
    }

    .page-i9bet58__floating-button {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      background-color: var(--page-i9bet58-accent-color);
      color: var(--page-i9bet58-text-color);
      font-weight: bold;
      text-decoration: none;
      font-size: 1.1em;
      border-radius: 50px;
      animation: page-i9bet58__pulse 2s infinite;
    }

    .page-i9bet58__floating-button:hover {
      background-color: #e6a100;
    }

    @keyframes page-i9bet58__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Game Categories */
    .page-i9bet58__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-i9bet58__game-card {
      background-color: var(--page-i9bet58-bg-light);
      border-radius: var(--page-i9bet58-border-radius);
      box-shadow: var(--page-i9bet58-shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%; /* Ensure cards in a row have same height */
    }

    .page-i9bet58__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }

    .page-i9bet58__game-card-image {
      width: 100%;
      height: 200px; /* Minimum size 200x200px */
      object-fit: cover;
      display: block;
    }

    .page-i9bet58__game-card-content {
      padding: 20px;
      flex-grow: 1; /* Allow content to grow */
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-i9bet58__game-card-title {
      font-size: 1.5em;
      margin-bottom: 10px;
      color: var(--page-i9bet58-primary-color);
    }

    .page-i9bet58__game-card-description {
      font-size: 0.95em;
      color: var(--page-i9bet58-text-color);
      margin-bottom: 15px;
      text-align: left;
    }

    /* How-to Guide */
    .page-i9bet58__guide-list {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
      padding: 0;
      list-style: none;
    }

    .page-i9bet58__guide-item {
      background-color: var(--page-i9bet58-light-text-color);
      padding: 25px;
      border-radius: var(--page-i9bet58-border-radius);
      box-shadow: var(--page-i9bet58-shadow);
      flex: 1;
      min-width: 280px;
      max-width: 380px;
      text-align: center;
      box-sizing: border-box;
      transition: transform 0.3s ease;
    }

    .page-i9bet58__guide-item:hover {
      transform: translateY(-5px);
    }

    .page-i9bet58__guide-step-number {
      font-size: 2.5em;
      color: var(--page-i9bet58-accent-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-i9bet58__guide-title {
      font-size: 1.3em;
      color: var(--page-i9bet58-primary-color);
      margin-bottom: 10px;
    }

    .page-i9bet58__guide-description {
      font-size: 1em;
      color: var(--page-i9bet58-secondary-color);
    }

    /* Promotions Section */
    .page-i9bet58__promo-card {
      background: linear-gradient(135deg, var(--page-i9bet58-primary-color), #f76c4e);
      color: var(--page-i9bet58-light-text-color);
      padding: 30px;
      border-radius: var(--page-i9bet58-border-radius);
      text-align: center;
      box-shadow: var(--page-i9bet58-shadow);
      margin-top: 30px;
    }

    .page-i9bet58__promo-card-title {
      font-size: 2em;
      margin-bottom: 15px;
      color: var(--page-i9bet58-light-text-color);
    }

    .page-i9bet58__promo-card-description {
      font-size: 1.2em;
      margin-bottom: 25px;
    }

    /* FAQ Section */
    .page-i9bet58__faq-section {
      background-color: var(--page-i9bet58-bg-light);
    }

    .page-i9bet58__faq-item {
      background-color: #fff;
      margin-bottom: 15px;
      border-radius: var(--page-i9bet58-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      overflow: hidden;
    }

    .page-i9bet58__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #fcfcfc;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
    }

    .page-i9bet58__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-i9bet58__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-i9bet58-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-i9bet58__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-i9bet58-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-i9bet58__faq-item.active .page-i9bet58__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-i9bet58__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: var(--page-i9bet58-text-color);
    }

    .page-i9bet58__faq-item.active .page-i9bet58__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px 15px !important; /* Use !important as required */
      opacity: 1;
    }

    /* Ensure all images are responsive */
    .page-i9bet58 img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    .page-i9bet58__image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin: 0 auto 20px; /* Center images and add bottom margin */
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-i9bet58__hero-section {
        height: 400px;
        padding-top: 10px; /* Fixed header spacing - mobile */
      }

      .page-i9bet58__h1 {
        font-size: 2em;
      }

      .page-i9bet58__h2 {
        font-size: 1.8em;
      }

      .page-i9bet58__h3 {
        font-size: 1.5em;
      }

      .page-i9bet58__text {
        font-size: 1em;
      }

      .page-i9bet58__section {
        padding: 30px 15px;
      }

      .page-i9bet58__floating-button-wrapper {
        bottom: 15px;
        right: 15px;
        max-width: 200px; /* Adjust for smaller screens */
      }

      .page-i9bet58__floating-button {
        font-size: 0.9em;
        padding: 8px 15px;
      }

      .page-i9bet58__game-grid {
        grid-template-columns: 1fr;
      }

      .page-i9bet58__game-card-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-i9bet58__guide-list {
        flex-direction: column;
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-i9bet58__guide-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Adjust padding for mobile */
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-i9bet58__promo-card {
        padding: 20px;
      }

      .page-i9bet58__promo-card-title {
        font-size: 1.5em;
      }

      .page-i9bet58__promo-card-description {
        font-size: 1em;
      }

      .page-i9bet58__faq-question {
        padding: 12px 15px;
      }

      .page-i9bet58__faq-question h3 {
        font-size: 1.1em;
      }

      .page-i9bet58__faq-toggle {
        font-size: 1.5em;
      }

      .page-i9bet58__faq-answer {
        padding: 15px 15px !important;
      }

      .page-i9bet58 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-i9bet58__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 5px; /* Add small padding to prevent edge-to-edge on very small screens */
      }
    }