/* Reset và biến cơ bản */
    :root {
      --page-8kbetbuzz__black: #000000;
      --page-8kbetbuzz__white: #FFFFFF;
      --page-8kbetbuzz__yellow: #FFD700; /* Gold */
      --page-8kbetbuzz__dark-grey: #1a1a1a;
      --page-8kbetbuzz__light-grey: #cccccc;
      --page-8kbetbuzz__border-radius: 8px;
      --page-8kbetbuzz__spacing-sm: 10px;
      --page-8kbetbuzz__spacing-md: 20px;
      --page-8kbetbuzz__spacing-lg: 30px;
    }

    .page-8kbetbuzz {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: var(--page-8kbetbuzz__black);
      color: var(--page-8kbetbuzz__white);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 120px; /* An toàn cho header cố định trên desktop */
    }

    @media (max-width: 768px) {
      .page-8kbetbuzz {
        padding-top: 100px; /* An toàn cho header cố định trên mobile */
      }
    }

    .page-8kbetbuzz__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--page-8kbetbuzz__spacing-md);
    }

    .page-8kbetbuzz__section {
      padding: var(--page-8kbetbuzz__spacing-lg) 0;
      margin-bottom: var(--page-8kbetbuzz__spacing-lg);
    }

    .page-8kbetbuzz__section-title {
      font-size: 2.5em;
      color: var(--page-8kbetbuzz__yellow);
      text-align: center;
      margin-bottom: var(--page-8kbetbuzz__spacing-lg);
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-8kbetbuzz__section-subtitle {
      font-size: 1.5em;
      color: var(--page-8kbetbuzz__white);
      text-align: center;
      margin-bottom: var(--page-8kbetbuzz__spacing-md);
    }

    .page-8kbetbuzz__button {
      display: inline-block;
      background-color: var(--page-8kbetbuzz__yellow);
      color: var(--page-8kbetbuzz__black);
      padding: var(--page-8kbetbuzz__spacing-sm) var(--page-8kbetbuzz__spacing-md);
      border-radius: var(--page-8kbetbuzz__border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-align: center;
      cursor: pointer;
      border: none;
      font-size: 1em;
    }

    .page-8kbetbuzz__button:hover {
      background-color: #e6c200;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-8kbetbuzz__hero-section {
      position: relative;
      width: 100%;
      overflow: hidden;
      background-color: var(--page-8kbetbuzz__dark-grey);
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      text-align: center;
      min-height: 400px; /* Đảm bảo chiều cao tối thiểu cho hero */
    }

    .page-8kbetbuzz__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      min-height: 300px; /* Đảm bảo hình ảnh đủ lớn */
    }

    .page-8kbetbuzz__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 10;
      color: var(--page-8kbetbuzz__white);
      padding: var(--page-8kbetbuzz__spacing-md);
      background-color: rgba(0, 0, 0, 0.6);
      border-radius: var(--page-8kbetbuzz__border-radius);
      max-width: 90%;
    }

    .page-8kbetbuzz__hero-title {
      font-size: 3em;
      color: var(--page-8kbetbuzz__yellow);
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
      line-height: 1.2;
    }

    .page-8kbetbuzz__hero-description {
      font-size: 1.2em;
      margin-bottom: var(--page-8kbetbuzz__spacing-md);
      max-width: 800px;
    }

    /* Floating Login Button */
    .page-8kbetbuzz__floating-button {
      position: fixed;
      bottom: var(--page-8kbetbuzz__spacing-md);
      right: var(--page-8kbetbuzz__spacing-md);
      z-index: 1000;
      background-color: var(--page-8kbetbuzz__yellow);
      color: var(--page-8kbetbuzz__black);
      padding: var(--page-8kbetbuzz__spacing-sm) var(--page-8kbetbuzz__spacing-md);
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1em;
      white-space: nowrap;
    }

    .page-8kbetbuzz__floating-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
    }

    /* Giới Thiệu Section */
    .page-8kbetbuzz__intro-content {
      display: flex;
      flex-wrap: wrap;
      gap: var(--page-8kbetbuzz__spacing-md);
      align-items: center;
    }

    .page-8kbetbuzz__intro-text {
      flex: 2;
      min-width: 300px;
    }

    .page-8kbetbuzz__intro-image-wrapper {
      flex: 1;
      min-width: 250px;
      text-align: center;
    }

    .page-8kbetbuzz__intro-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--page-8kbetbuzz__border-radius);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      min-width: 200px;
      min-height: 200px;
    }

    /* Ưu Đãi Section */
    .page-8kbetbuzz__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-8kbetbuzz__spacing-md);
    }

    .page-8kbetbuzz__promo-card {
      background-color: var(--page-8kbetbuzz__dark-grey);
      padding: var(--page-8kbetbuzz__spacing-md);
      border-radius: var(--page-8kbetbuzz__border-radius);
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-8kbetbuzz__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-8kbetbuzz__promo-card-title {
      color: var(--page-8kbetbuzz__yellow);
      font-size: 1.4em;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
    }

    .page-8kbetbuzz__promo-card-image {
      max-width: 100%;
      height: auto;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
      border-radius: var(--page-8kbetbuzz__border-radius);
      min-width: 200px;
      min-height: 200px;
    }

    .page-8kbetbuzz__promo-card-description {
      font-size: 0.95em;
      margin-bottom: var(--page-8kbetbuzz__spacing-md);
      flex-grow: 1;
    }

    /* Games Section */
    .page-8kbetbuzz__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: var(--page-8kbetbuzz__spacing-md);
    }

    .page-8kbetbuzz__game-card {
      background-color: var(--page-8kbetbuzz__dark-grey);
      border-radius: var(--page-8kbetbuzz__border-radius);
      overflow: hidden;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-8kbetbuzz__game-card:hover {
      transform: translateY(-5px);
    }

    .page-8kbetbuzz__game-card-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-8kbetbuzz__game-card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      border-bottom: 2px solid var(--page-8kbetbuzz__yellow);
      min-width: 200px;
      min-height: 200px;
    }

    .page-8kbetbuzz__game-card-content {
      padding: var(--page-8kbetbuzz__spacing-sm);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .page-8kbetbuzz__game-card-title {
      color: var(--page-8kbetbuzz__yellow);
      font-size: 1.1em;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
      font-weight: bold;
    }

    /* Hướng Dẫn Section */
    .page-8kbetbuzz__guide-step {
      background-color: var(--page-8kbetbuzz__dark-grey);
      padding: var(--page-8kbetbuzz__spacing-md);
      border-radius: var(--page-8kbetbuzz__border-radius);
      margin-bottom: var(--page-8kbetbuzz__spacing-md);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .page-8kbetbuzz__guide-step-number {
      background-color: var(--page-8kbetbuzz__yellow);
      color: var(--page-8kbetbuzz__black);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5em;
      font-weight: bold;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
    }

    .page-8kbetbuzz__guide-step-title {
      color: var(--page-8kbetbuzz__yellow);
      font-size: 1.3em;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
    }

    .page-8kbetbuzz__guide-step-image {
      max-width: 100%;
      height: auto;
      margin: var(--page-8kbetbuzz__spacing-sm) 0;
      border-radius: var(--page-8kbetbuzz__border-radius);
      min-width: 200px;
      min-height: 200px;
    }

    /* Tải Ứng Dụng Section */
    .page-8kbetbuzz__download-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--page-8kbetbuzz__spacing-md);
    }

    .page-8kbetbuzz__download-card {
      background-color: var(--page-8kbetbuzz__dark-grey);
      padding: var(--page-8kbetbuzz__spacing-md);
      border-radius: var(--page-8kbetbuzz__border-radius);
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      flex: 1;
      min-width: 280px;
      max-width: 45%;
    }

    .page-8kbetbuzz__download-qr-image {
      max-width: 100%;
      height: auto;
      margin: var(--page-8kbetbuzz__spacing-sm) auto;
      border-radius: var(--page-8kbetbuzz__border-radius);
      min-width: 200px;
      min-height: 200px;
    }

    /* Hỗ Trợ Khách Hàng Section */
    .page-8kbetbuzz__support-channels {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--page-8kbetbuzz__spacing-md);
      text-align: center;
    }

    .page-8kbetbuzz__support-channel {
      background-color: var(--page-8kbetbuzz__dark-grey);
      padding: var(--page-8kbetbuzz__spacing-md);
      border-radius: var(--page-8kbetbuzz__border-radius);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      flex: 1;
      min-width: 250px;
      max-width: 30%;
      transition: transform 0.3s ease;
    }

    .page-8kbetbuzz__support-channel:hover {
      transform: translateY(-5px);
    }

    .page-8kbetbuzz__support-icon {
      max-width: 80px; /* Larger icon size */
      height: auto;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
      min-width: 200px; /* Enforce minimum size for image placeholders */
      min-height: 200px;
    }

    .page-8kbetbuzz__support-title {
      color: var(--page-8kbetbuzz__yellow);
      font-size: 1.2em;
      margin-bottom: var(--page-8kbetbuzz__spacing-sm);
    }

    .page-8kbetbuzz__support-link {
      color: var(--page-8kbetbuzz__yellow);
      text-decoration: none;
      font-weight: bold;
    }

    .page-8kbetbuzz__support-link:hover {
      text-decoration: underline;
    }

    /* FAQ Section */
    .page-8kbetbuzz__faq-list {
      display: flex;
      flex-direction: column;
      gap: var(--page-8kbetbuzz__spacing-sm);
    }

    .page-8kbetbuzz__faq-item {
      background-color: var(--page-8kbetbuzz__dark-grey);
      border-radius: var(--page-8kbetbuzz__border-radius);
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-8kbetbuzz__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--page-8kbetbuzz__spacing-md);
      background-color: #2a2a2a;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-8kbetbuzz__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-8kbetbuzz__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-8kbetbuzz__white);
      flex-grow: 1;
      text-align: left;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-8kbetbuzz__faq-toggle {
      font-size: 1.5em;
      color: var(--page-8kbetbuzz__yellow);
      margin-left: var(--page-8kbetbuzz__spacing-sm);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-8kbetbuzz__faq-item.active .page-8kbetbuzz__faq-toggle {
      transform: rotate(45deg); /* Plus to X/Minus */
    }

    .page-8kbetbuzz__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--page-8kbetbuzz__spacing-md);
      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-8kbetbuzz__light-grey);
    }

    .page-8kbetbuzz__faq-item.active .page-8kbetbuzz__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: var(--page-8kbetbuzz__spacing-md) !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-8kbetbuzz__section-title {
        font-size: 2em;
      }

      .page-8kbetbuzz__hero-title {
        font-size: 2em;
      }

      .page-8kbetbuzz__hero-description {
        font-size: 1em;
      }

      .page-8kbetbuzz__floating-button {
        padding: var(--page-8kbetbuzz__spacing-sm);
        font-size: 1em;
        bottom: var(--page-8kbetbuzz__spacing-sm);
        right: var(--page-8kbetbuzz__spacing-sm);
      }

      .page-8kbetbuzz__intro-content {
        flex-direction: column;
      }

      .page-8kbetbuzz__download-card {
        max-width: 100%;
      }

      .page-8kbetbuzz__support-channel {
        max-width: 100%;
      }

      .page-8kbetbuzz__faq-question h3 {
        font-size: 1em;
      }

      .page-8kbetbuzz__faq-answer {
        padding: 0 var(--page-8kbetbuzz__spacing-sm);
      }

      .page-8kbetbuzz__faq-item.active .page-8kbetbuzz__faq-answer {
        padding: var(--page-8kbetbuzz__spacing-md) var(--page-8kbetbuzz__spacing-sm) !important;
      }
    }

    /* Ensure all images are responsive */
    .page-8kbetbuzz img {
        max-width: 100%;
        height: auto;
        display: block; /* Remove extra space below images */
    }

    @media (max-width: 768px) {
        .page-8kbetbuzz img {
            max-width: 100% !important;
            height: auto !important;
        }
    }