/* CSS样式 */
    :root {
      --page-vn88-primary-color: #e44d26; /* Cam đỏ */
      --page-vn88-secondary-color: #333; /* Đen xám */
      --page-vn88-text-color: #333;
      --page-vn88-light-text-color: #fff;
      --page-vn88-background-color: #f5f5f5;
      --page-vn88-card-background: #ffffff;
      --page-vn88-border-color: #eee;
      --page-vn88-button-hover-color: #ff6a00;
      --page-vn88-highlight-color: #ffd700; /* Gold */
    }

    .page-vn88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-vn88-text-color);
      background-color: var(--page-vn88-background-color);
      overflow-x: hidden;
    }

    .page-vn88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-vn88__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-vn88-card-background);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-vn88__hero-section {
      text-align: center;
      padding: 60px 20px 40px; /* Adjusted padding-top for fixed header */
      background-color: #0d1e3a; /* Dark blue */
      color: var(--page-vn88-light-text-color);
      position: relative;
      overflow: hidden;
    }

    .page-vn88__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.4;
    }

    .page-vn88__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-vn88__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-vn88-highlight-color); /* Gold for emphasis */
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-vn88__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--page-vn88-light-text-color);
    }

    .page-vn88__button {
      display: inline-block;
      background-color: var(--page-vn88-primary-color);
      color: var(--page-vn88-light-text-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-vn88__button:hover {
      background-color: var(--page-vn88-button-hover-color);
    }

    .page-vn88__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-vn88-primary-color);
      color: var(--page-vn88-light-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      animation: page-vn88-pulse 2s infinite;
    }

    .page-vn88__floating-button:hover {
      background-color: var(--page-vn88-button-hover-color);
      animation: none;
    }

    @keyframes page-vn88-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-vn88__floating-button-icon {
      margin-right: 8px;
      font-size: 1.3em;
    }

    .page-vn88__section-title {
      font-size: 2.2em;
      color: var(--page-vn88-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-vn88__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-vn88-highlight-color);
      border-radius: 2px;
    }

    .page-vn88__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-vn88__game-card {
      background-color: var(--page-vn88-card-background);
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-vn88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-vn88__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-vn88__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-vn88__game-card-title {
      font-size: 1.5em;
      color: var(--page-vn88-primary-color);
      margin-bottom: 10px;
      word-wrap: break-word; /* Ensure long titles wrap */
      overflow-wrap: break-word;
    }

    .page-vn88__game-card-description {
      font-size: 0.95em;
      color: var(--page-vn88-text-color);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-vn88__features-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-vn88__feature-item {
      background-color: #f9f9f9;
      padding: 20px;
      border-left: 5px solid var(--page-vn88-primary-color);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      box-sizing: border-box; /* Important for responsive lists */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-vn88__feature-item h3 {
      color: var(--page-vn88-primary-color);
      margin-top: 0;
      font-size: 1.3em;
    }

    .page-vn88__steps-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-vn88__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 25px;
      box-sizing: border-box; /* Important for responsive lists */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-vn88__step-number {
      background-color: var(--page-vn88-primary-color);
      color: var(--page-vn88-light-text-color);
      border-radius: 50%;
      width: 35px;
      height: 35px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
      margin-right: 15px;
    }

    .page-vn88__step-content h3 {
      margin-top: 0;
      margin-bottom: 8px;
      color: var(--page-vn88-secondary-color);
      font-size: 1.2em;
    }

    .page-vn88__faq-section {
      background-color: var(--page-vn88-card-background);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      padding: 40px 20px;
    }

    .page-vn88__faq-item {
      border-bottom: 1px solid var(--page-vn88-border-color);
      margin-bottom: 10px;
      padding-bottom: 10px;
    }

    .page-vn88__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .page-vn88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 15px 0;
      user-select: none;
      color: var(--page-vn88-secondary-color);
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-vn88__faq-question:hover {
      color: var(--page-vn88-primary-color);
    }

    .page-vn88__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-vn88__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .page-vn88__faq-item.active .page-vn88__faq-toggle {
      transform: rotate(45deg);
    }

    .page-vn88__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-vn88-text-color);
    }

    .page-vn88__faq-item.active .page-vn88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-vn88__image-full-width {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
      margin-bottom: 20px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-vn88__hero-section {
        padding-top: 50px; /* Adjusted for mobile fixed header */
        padding-bottom: 30px;
      }
      .page-vn88__hero-title {
        font-size: 2em;
      }
      .page-vn88__hero-subtitle {
        font-size: 1em;
      }
      .page-vn88__section-title {
        font-size: 1.8em;
      }
      .page-vn88__grid {
        grid-template-columns: 1fr;
      }
      .page-vn88__features-list,
      .page-vn88__steps-list {
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-vn88__feature-item,
      .page-vn88__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !important; /* Reduce padding for smaller screens */
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-vn88__game-card-title {
        font-size: 1.3em;
      }
      .page-vn88__game-card-description {
        font-size: 0.9em;
      }
      .page-vn88__floating-button {
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-vn88__container {
        padding: 10px;
      }
      .page-vn88__faq-question {
        padding: 10px 0;
      }
      .page-vn88__faq-question h3 {
        font-size: 1em;
      }
      .page-vn88__faq-answer {
        padding: 15px 10px !important;
      }
      /* Image responsive */
      .page-vn88__hero-background,
      .page-vn88__game-card-image,
      .page-vn88__image-full-width {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      /* If there's a container around images */
      .page-vn88__image-container { 
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-vn88__hero-title {
        font-size: 1.8em;
      }
      .page-vn88__hero-subtitle {
        font-size: 0.9em;
      }
      .page-vn88__section-title {
        font-size: 1.6em;
      }
      .page-vn88__floating-button {
        bottom: 10px;
        padding: 10px 15px;
        font-size: 0.9em;
      }
    }