:root {
      --page-vip79game__primary-color: #f39c12; /* Cam */
      --page-vip79game__secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-vip79game__accent-color: #e74c3c; /* Đỏ */
      --page-vip79game__text-color: #333;
      --page-vip79game__background-color: #f8f9fa;
      --page-vip79game__light-background: #ffffff;
      --page-vip79game__border-color: #e0e0e0;
    }

    .page-vip79game {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-vip79game__text-color);
      background-color: var(--page-vip79game__background-color);
      padding: 0;
      margin: 0;
    }

    .page-vip79game__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-vip79game__hero-section {
      text-align: center;
      padding: 10px 0 40px; /* Thêm padding-top để tránh bị che bởi header cố định */
      background-color: var(--page-vip79game__light-background);
      margin-bottom: 30px;
      position: relative;
    }

    .page-vip79game__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-vip79game__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
    }

    .page-vip79game__hero-title {
      font-size: 2.8em;
      color: var(--page-vip79game__secondary-color);
      margin-top: 20px;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .page-vip79game__hero-description {
      font-size: 1.2em;
      color: #555;
      max-width: 800px;
      margin: 0 auto 30px;
    }

    .page-vip79game__cta-button {
      display: inline-block;
      background-color: var(--page-vip79game__primary-color);
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-vip79game__cta-button:hover {
      background-color: #e67e22;
      transform: translateY(-2px);
    }

    .page-vip79game__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-vip79game__accent-color);
      color: #fff;
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      animation: page-vip79game__pulse 2s infinite;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-vip79game__floating-button:hover {
      background-color: #c0392b;
      animation: none;
    }

    @keyframes page-vip79game__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-vip79game__section-title {
      font-size: 2.2em;
      color: var(--page-vip79game__secondary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 15px;
    }

    .page-vip79game__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-vip79game__primary-color);
      border-radius: 2px;
    }

    .page-vip79game__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-bottom: 50px;
    }

    .page-vip79game__game-card {
      background-color: var(--page-vip79game__light-background);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
    }

    .page-vip79game__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-vip79game__game-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-vip79game__game-image {
      width: 100%;
      max-width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-vip79game__game-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-vip79game__game-title {
      font-size: 1.5em;
      color: var(--page-vip79game__secondary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }
    
    .page-vip79game__game-title a {
        color: var(--page-vip79game__secondary-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .page-vip79game__game-title a:hover {
        color: var(--page-vip79game__primary-color);
    }

    .page-vip79game__game-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
    }

    .page-vip79game__game-link {
      display: inline-block;
      color: var(--page-vip79game__primary-color);
      text-decoration: none;
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-vip79game__game-link:hover {
      color: var(--page-vip79game__accent-color);
    }

    .page-vip79game__advantages-section {
      background-color: var(--page-vip79game__light-background);
      padding: 60px 0;
      margin-bottom: 30px;
    }

    .page-vip79game__advantages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      text-align: center;
    }

    .page-vip79game__advantage-item {
      background-color: var(--page-vip79game__background-color);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
    }

    .page-vip79game__advantage-item:hover {
      transform: translateY(-5px);
    }

    .page-vip79game__advantage-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-vip79game__advantage-title {
      font-size: 1.4em;
      color: var(--page-vip79game__primary-color);
      margin-bottom: 10px;
    }

    .page-vip79game__advantage-description {
      font-size: 1em;
      color: #666;
    }

    .page-vip79game__how-to-section {
      padding: 60px 0;
    }

    .page-vip79game__step-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .page-vip79game__step-item {
      background-color: var(--page-vip79game__light-background);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: center;
      gap: 25px;
    }

    .page-vip79game__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-vip79game__primary-color);
      flex-shrink: 0;
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 3px solid var(--page-vip79game__primary-color);
      border-radius: 50%;
    }

    .page-vip79game__step-content h3 {
      font-size: 1.5em;
      color: var(--page-vip79game__secondary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-vip79game__step-content p {
      margin: 0;
      color: #555;
    }

    .page-vip79game__faq-section {
      background-color: var(--page-vip79game__light-background);
      padding: 60px 0;
      margin-bottom: 30px;
    }

    .page-vip79game__faq-list {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-vip79game__faq-item {
      border: 1px solid var(--page-vip79game__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: #fff;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }

    .page-vip79game__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      background-color: #f0f2f5;
      cursor: pointer;
      font-size: 1.1em;
      font-weight: 600;
      color: var(--page-vip79game__secondary-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-vip79game__faq-question:hover {
      background-color: #e0e2e5;
    }

    .page-vip79game__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-vip79game__secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-vip79game__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-vip79game__primary-color);
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-vip79game__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #fff;
      color: #555;
      font-size: 0.95em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-vip79game__faq-item.active .page-vip79game__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-vip79game__faq-item.active .page-vip79game__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - visual */
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-vip79game__container {
        padding: 15px;
      }

      .page-vip79game__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
        margin-bottom: 20px;
      }

      .page-vip79game__hero-title {
        font-size: 2em;
      }

      .page-vip79game__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
      }

      .page-vip79game__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-vip79game__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 0.95em;
      }

      .page-vip79game__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-vip79game__game-categories {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-vip79game__game-image {
        height: 180px;
      }

      .page-vip79game__game-title {
        font-size: 1.3em;
      }

      .page-vip79game__advantages-section,
      .page-vip79game__how-to-section,
      .page-vip79game__faq-section {
        padding: 40px 0;
      }

      .page-vip79game__advantage-item {
        padding: 25px;
      }

      .page-vip79game__advantage-title {
        font-size: 1.2em;
      }

      .page-vip79game__step-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
      }

      .page-vip79game__step-number {
        width: 50px;
        height: 50px;
        font-size: 2em;
      }

      .page-vip79game__step-content h3 {
        font-size: 1.3em;
      }

      .page-vip79game__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }

      .page-vip79game__faq-question h3 {
        font-size: 1em;
      }

      .page-vip79game__faq-answer {
        padding: 15px 20px;
      }

      /* Image responsive optimization for mobile */
      .page-vip79game__hero-image,
      .page-vip79game__game-image,
      .page-vip79game__advantage-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-vip79game__game-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }