/* Reset và biến cơ bản */
    :root {
      --page-i9bet100-primary-color: #e44d26; /* Cam đỏ */
      --page-i9bet100-secondary-color: #333; /* Xám đậm */
      --page-i9bet100-accent-color: #f7b32b; /* Vàng cam */
      --page-i9bet100-background-light: #f5f5f5; /* Nền sáng */
      --page-i9bet100-text-dark: #333; /* Chữ tối */
      --page-i9bet100-text-light: #fff; /* Chữ sáng */
      --page-i9bet100-border-color: #ddd; /* Màu viền */
      --page-i9bet100-border-radius: 8px;
      --page-i9bet100-padding-section: 40px 20px;
      --page-i9bet100-max-width: 1200px;
    }

    /* Các kiểu chung cho trang I9bet100 */
    .page-i9bet100 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-i9bet100-text-dark);
      background-color: var(--page-i9bet100-background-light);
      margin: 0 auto; /* Đảm bảo căn giữa */
    }

    .page-i9bet100__container {
      max-width: var(--page-i9bet100-max-width);
      margin: 0 auto;
      padding: 0 20px;
      box-sizing: border-box;
    }

    .page-i9bet100__section {
      padding: var(--page-i9bet100-padding-section);
      text-align: center;
    }

    .page-i9bet100__section--dark {
      background-color: var(--page-i9bet100-secondary-color);
      color: var(--page-i9bet100-text-light);
    }

    .page-i9bet100__title {
      font-size: 2.5em;
      color: var(--page-i9bet100-primary-color);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-i9bet100__title--light {
      color: var(--page-i9bet100-accent-color);
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    .page-i9bet100__subtitle {
      font-size: 1.8em;
      color: var(--page-i9bet100-secondary-color);
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-i9bet100__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      line-height: 1.8;
    }

    /* Nút CTA chung */
    .page-i9bet100__button {
      display: inline-block;
      background-color: var(--page-i9bet100-primary-color);
      color: var(--page-i9bet100-text-light);
      padding: 15px 30px;
      border-radius: var(--page-i9bet100-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-i9bet100__button:hover {
      background-color: #c43e1d; /* Màu cam đỏ đậm hơn */
      transform: translateY(-2px);
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    .page-i9bet100__button--accent {
      background-color: var(--page-i9bet100-accent-color);
      color: var(--page-i9bet100-text-dark);
    }

    .page-i9bet100__button--accent:hover {
      background-color: #e6a220; /* Màu vàng cam đậm hơn */
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    /* Hero Section */
    .page-i9bet100__hero-section {
      position: relative;
      background-color: #222; /* Màu nền tối cho banner */
      color: var(--page-i9bet100-text-light);
      padding-top: 10px; /* Essential for fixed header */
      padding-bottom: 40px;
    }

    .page-i9bet100__hero-banner {
      width: 100%;
      max-height: 400px; /* Giới hạn chiều cao banner */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: var(--page-i9bet100-border-radius);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-i9bet100__hero-content {
      position: relative; /* Đảm bảo nội dung nằm trên banner */
      z-index: 1;
      text-align: center;
      padding: 20px;
    }

    .page-i9bet100__hero-title {
      font-size: 3em;
      margin-top: 20px;
      margin-bottom: 10px;
      color: var(--page-i9bet100-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-i9bet100__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--page-i9bet100-text-light);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Floating Login Button */
    .page-i9bet100__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-i9bet100-accent-color);
      color: var(--page-i9bet100-text-dark);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: transform 0.3s ease, background-color 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      animation: page-i9bet100__pulse 2s infinite;
    }

    .page-i9bet100__floating-button:hover {
      background-color: #e6a220;
      transform: scale(1.05);
    }

    @keyframes page-i9bet100__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    /* Game Categories / Product Display */
    .page-i9bet100__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      padding: 0; /* Important for list items */
      list-style: none; /* Remove default list styling */
    }

    .page-i9bet100__game-item {
      background-color: var(--page-i9bet100-text-light);
      border-radius: var(--page-i9bet100-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive lists */
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    .page-i9bet100__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-i9bet100__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--page-i9bet100-border-color);
    }

    .page-i9bet100__game-content {
      padding: 20px;
    }

    .page-i9bet100__game-title {
      font-size: 1.5em;
      color: var(--page-i9bet100-primary-color);
      margin-bottom: 10px;
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    .page-i9bet100__game-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      word-wrap: break-word; /* Ensure text wraps */
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    /* Features Section */
    .page-i9bet100__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
      list-style: none;
      padding: 0; /* Important for list items */
    }

    .page-i9bet100__feature-item {
      background-color: var(--page-i9bet100-text-light);
      border-radius: var(--page-i9bet100-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      padding: 30px;
      text-align: left;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive lists */
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    .page-i9bet100__feature-item:hover {
      transform: translateY(-5px);
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    .page-i9bet100__feature-icon {
      width: 200px; /* Minimum size 200x200px */
      height: 200px;
      margin-bottom: 15px;
      display: block; /* Center image */
      margin-left: auto;
      margin-right: auto;
      object-fit: contain;
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    .page-i9bet100__feature-title {
      font-size: 1.6em;
      color: var(--page-i9bet100-primary-color);
      margin-bottom: 10px;
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    .page-i9bet100__feature-description {
      font-size: 1em;
      color: #555;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* How-to Guide / Steps */
    .page-i9bet100__steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      list-style: none;
      padding: 0; /* Important for list items */
    }

    .page-i9bet100__step-item {
      background-color: var(--page-i9bet100-text-light);
      border-radius: var(--page-i9bet100-border-radius);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      padding: 30px;
      text-align: center;
      position: relative;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-i9bet100__step-number {
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-i9bet100-primary-color);
      color: var(--page-i9bet100-text-light);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5em;
      font-weight: bold;
      border: 3px solid var(--page-i9bet100-background-light);
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-i9bet100__step-title {
      font-size: 1.4em;
      color: var(--page-i9bet100-secondary-color);
      margin-top: 15px;
      margin-bottom: 10px;
    }

    .page-i9bet100__step-description {
      font-size: 1em;
      color: #555;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* FAQ Section */
    .page-i9bet100__faq-section {
      text-align: left;
    }

    .page-i9bet100__faq-list {
      margin-top: 30px;
      list-style: none;
      padding: 0; /* Important for list items */
    }

    .page-i9bet100__faq-item {
      background-color: var(--page-i9bet100-text-light);
      border-radius: var(--page-i9bet100-border-radius);
      margin-bottom: 15px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-i9bet100__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #f0f0f0;
      cursor: pointer;
      user-select: none;
      font-size: 1.15em;
      font-weight: bold;
      color: var(--page-i9bet100-secondary-color);
      transition: background-color 0.3s ease;
    }

    .page-i9bet100__faq-question:hover {
      background-color: #e0e0e0;
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    .page-i9bet100__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      text-align: left;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-i9bet100__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
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    .page-i9bet100__faq-item.active .page-i9bet100__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
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    .page-i9bet100__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Initial padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
      text-align: left;
      font-size: 1em;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    .page-i9bet100__faq-item.active .page-i9bet100__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important; /* Expanded padding */
      opacity: 1;
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    /* Promotion Card */
    .page-i9bet100__promotion-card {
        background-color: var(--page-i9bet100-text-light);
        border-radius: var(--page-i9bet100-border-radius);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        padding: 30px;
        margin-top: 40px;
        text-align: center;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-i9bet100__promotion-image {
        width: 100%;
        max-width: 600px;
        height: auto;
        object-fit: cover;
        margin-bottom: 20px;
        border-radius: var(--page-i9bet100-border-radius);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-i9bet100__title {
        font-size: 2em;
      }

      .page-i9bet100__hero-title {
        font-size: 2.2em;
      }

      .page-i9bet100__hero-description {
        font-size: 1.1em;
      }

      .page-i9bet100__floating-button {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
        bottom: 15px;
        border-radius: var(--page-i9bet100-border-radius);
        font-size: 1em;
        padding: 12px 20px;
      }

      .page-i9bet100__section {
        padding: 30px 15px;
      }

      /* List item responsive styles */
      .page-i9bet100__game-grid,
      .page-i9bet100__feature-list,
      .page-i9bet100__steps-grid,
      .page-i9bet100__faq-list {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
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      .page-i9bet100__game-item,
      .page-i9bet100__feature-item,
      .page-i9bet100__step-item,
      .page-i9bet100__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Adjust padding for mobile */
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      .page-i9bet100__game-content,
      .page-i9bet100__feature-item,
      .page-i9bet100__step-item {
          padding: 20px; /* Ensure content has internal padding */
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      .page-i9bet100__game-description,
      .page-i9bet100__feature-description,
      .page-i9bet100__step-description,
      .page-i9bet100__faq-answer p {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
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      .page-i9bet100__game-image,
      .page-i9bet100__feature-icon,
      .page-i9bet100__hero-banner,
      .page-i9bet100__promotion-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
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    }

    @media (max-width: 480px) {
      .page-i9bet100__hero-title {
        font-size: 1.8em;
      }
      .page-i9bet100__hero-description {
        font-size: 1em;
      }
      .page-i9bet100__button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-i9bet100__faq-question {
        font-size: 1em;
        padding: 15px;
      }
      .page-i9bet100__faq-answer {
        padding: 0 10px;
      }
      .page-i9bet100__faq-item.active .page-i9bet100__faq-answer {
        padding: 15px 10px !important;
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    }