:root {
      --page-vn68win-primary-color: #e44d26; /* Cam đậm */
      --page-vn68win-secondary-color: #f7a000; /* Vàng cam */
      --page-vn68win-background-dark: #1a1a1a; /* Nền tối */
      --page-vn68win-background-light: #2c2c2c; /* Nền sáng hơn */
      --page-vn68win-text-color: #ffffff; /* Chữ trắng */
      --page-vn68win-text-light-gray: #cccccc; /* Chữ xám nhạt */
      --page-vn68win-button-hover-color: #ff6600; /* Cam sáng khi hover */
      --page-vn68win-border-color: #444444; /* Màu viền */
      --page-vn68win-card-background: #222222; /* Nền thẻ */
    }

    .page-vn68win {
      font-family: 'Arial', sans-serif;
      color: var(--page-vn68win-text-color);
      background-color: var(--page-vn68win-background-dark);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Fixed header spacing */
    .page-vn68win__hero-section {
      padding-top: 10px; /* Adjust for fixed header */
    }

    .page-vn68win__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-vn68win__header-title {
      font-size: 2.8em;
      color: var(--page-vn68win-primary-color);
      text-align: center;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-vn68win__header-subtitle {
      font-size: 1.2em;
      color: var(--page-vn68win-text-light-gray);
      text-align: center;
      margin-bottom: 30px;
    }

    .page-vn68win__button {
      display: inline-block;
      background-color: var(--page-vn68win-primary-color);
      color: var(--page-vn68win-text-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      text-align: center;
      border: none;
      cursor: pointer;
    }

    .page-vn68win__button:hover {
      background-color: var(--page-vn68win-button-hover-color);
    }

    /* Hero Section */
    .page-vn68win__hero-section {
      background-color: var(--page-vn68win-background-dark);
      padding-bottom: 40px;
      text-align: center;
    }

    .page-vn68win__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-vn68win__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-vn68win__hero-content h1 {
      font-size: 2.5em;
      color: var(--page-vn68win-secondary-color);
      margin-bottom: 15px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-vn68win__hero-content p {
      font-size: 1.1em;
      color: var(--page-vn68win-text-light-gray);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-vn68win__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-vn68win-primary-color);
      color: var(--page-vn68win-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      animation: page-vn68win__pulse 1.5s infinite;
      transition: background-color 0.3s ease;
    }

    .page-vn68win__floating-login-button:hover {
      background-color: var(--page-vn68win-button-hover-color);
      animation: none;
    }

    @keyframes page-vn68win__pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(228, 77, 38, 0.7);
      }
      70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(228, 77, 38, 0);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(228, 77, 38, 0);
      }
    }

    /* Section Styling */
    .page-vn68win__section {
      padding: 60px 0;
      border-bottom: 1px solid var(--page-vn68win-border-color);
    }

    .page-vn68win__section:last-of-type {
      border-bottom: none;
    }

    .page-vn68win__section-title {
      font-size: 2em;
      color: var(--page-vn68win-secondary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-vn68win__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: var(--page-vn68win-primary-color);
      border-radius: 2px;
    }

    /* Game Categories */
    .page-vn68win__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      justify-content: center;
    }

    .page-vn68win__game-card {
      background-color: var(--page-vn68win-card-background);
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-vn68win-border-color);
    }

    .page-vn68win__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-vn68win__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
    }

    .page-vn68win__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-vn68win__game-card-content {
      padding: 20px;
    }

    .page-vn68win__game-card-content h3 {
      font-size: 1.4em;
      margin-bottom: 10px;
      color: var(--page-vn68win-primary-color);
    }

    .page-vn68win__game-card-content p {
      font-size: 0.95em;
      color: var(--page-vn68win-text-light-gray);
      margin-bottom: 20px;
    }

    /* Promotions */
    .page-vn68win__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .page-vn68win__promo-card {
      background-color: var(--page-vn68win-card-background);
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--page-vn68win-border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-vn68win__promo-card h3 {
      font-size: 1.5em;
      color: var(--page-vn68win-secondary-color);
      margin-bottom: 15px;
    }

    .page-vn68win__promo-card p {
      color: var(--page-vn68win-text-light-gray);
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* Download Section */
    .page-vn68win__download-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-vn68win__download-image-wrapper {
      width: 100%;
      max-width: 300px; /* Specific size for app mockups */
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 30px;
    }

    .page-vn68win__download-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 15px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    }

    .page-vn68win__download-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    /* Game Providers */
    .page-vn68win__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* Smaller for logos */
      gap: 20px;
      justify-items: center;
      align-items: center;
    }

    .page-vn68win__provider-logo-wrapper {
      width: 100%;
      max-width: 150px;
      overflow: hidden;
      box-sizing: border-box;
      background-color: var(--page-vn68win-card-background);
      padding: 10px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-vn68win__provider-logo-wrapper:hover {
      transform: scale(1.05);
    }

    .page-vn68win__provider-logo {
      width: 100%;
      height: auto;
      display: block;
    }

    /* FAQ Section */
    .page-vn68win__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-vn68win__faq-item {
      background-color: var(--page-vn68win-card-background);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--page-vn68win-border-color);
    }

    .page-vn68win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: var(--page-vn68win-background-light);
      color: var(--page-vn68win-text-color);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-vn68win__faq-question:hover {
      background-color: var(--page-vn68win-border-color);
    }

    .page-vn68win__faq-question h3 {
      margin: 0;
      pointer-events: none; /* Prevent h3 from blocking click event */
      color: var(--page-vn68win-secondary-color);
    }

    .page-vn68win__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent span from blocking click event */
      color: var(--page-vn68win-primary-color);
    }

    .page-vn68win__faq-item.active .page-vn68win__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-vn68win__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: var(--page-vn68win-text-light-gray);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 0.95em;
    }

    .page-vn68win__faq-item.active .page-vn68win__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    /* General text styling */
    .page-vn68win p {
      margin-bottom: 1em;
    }

    .page-vn68win ul {
      list-style-type: disc;
      padding-left: 25px;
      margin-bottom: 1em;
      color: var(--page-vn68win-text-light-gray);
    }

    .page-vn68win ul li {
      margin-bottom: 8px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-vn68win__container {
        padding: 15px;
      }

      .page-vn68win__header-title {
        font-size: 2em;
      }

      .page-vn68win__hero-content h1 {
        font-size: 2em;
      }

      .page-vn68win__hero-content p {
        font-size: 1em;
      }

      .page-vn68win__section-title {
        font-size: 1.8em;
      }

      .page-vn68win__game-grid,
      .page-vn68win__promo-grid,
      .page-vn68win__provider-grid {
        grid-template-columns: 1fr;
      }

      .page-vn68win__floating-login-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      /* Mobile image responsive optimization */
      .page-vn68win img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-vn68win__hero-image-wrapper,
      .page-vn68win__game-image-wrapper,
      .page-vn68win__download-image-wrapper,
      .page-vn68win__provider-logo-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-vn68win__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-vn68win__faq-answer {
        padding: 0 15px;
      }

      .page-vn68win__faq-item.active .page-vn68win__faq-answer {
        padding: 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-vn68win__header-title {
        font-size: 1.8em;
      }

      .page-vn68win__hero-content h1 {
        font-size: 1.8em;
      }

      .page-vn68win__button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-vn68win__download-buttons {
        flex-direction: column;
        gap: 15px;
      }
    }