:root {
      --primary-color: #e02b2b; /* Đỏ rực, phổ biến trong các trang cá cược */
      --secondary-color: #f7b20e; /* Vàng/Gold cho các điểm nhấn */
      --text-color-dark: #333;
      --text-color-light: #fff;
      --background-dark: #1a1a1a;
      --background-light: #f4f4f4;
      --card-background: #2a2a2a;
      --border-color: #444;
      --button-hover-color: #ff4d4d;
      --spacing-unit: 1rem;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-color-dark);
      background-color: var(--background-light);
      margin: 0;
      padding: 0;
    }

    /* Base styles for the page content wrapper */
    .page-ng-k-22vip {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--spacing-unit);
      background-color: var(--background-light);
    }

    /* Hero Section */
    .page-ng-k-22vip__hero-section {
      position: relative;
      background-color: var(--background-dark);
      color: var(--text-color-light);
      text-align: center;
      padding: 60px var(--spacing-unit) 40px;
      overflow: hidden;
      border-radius: 10px;
      margin-bottom: 2rem;
      padding-top: calc(10px + var(--spacing-unit)); /* Small top padding, assuming body has header offset */
    }

    .page-ng-k-22vip__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-ng-k-22vip__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-ng-k-22vip__hero-content h1 {
      font-size: 2.8rem;
      margin-bottom: var(--spacing-unit);
      color: var(--secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      line-height: 1.2;
    }

    .page-ng-k-22vip__hero-content p {
      font-size: 1.2rem;
      margin-bottom: 2rem;
      color: #ccc;
    }

    .page-ng-k-22vip__cta-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-size: 1.2rem;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-ng-k-22vip__cta-button:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-2px);
    }

    /* Section General Styles */
    .page-ng-k-22vip__section {
      padding: 40px var(--spacing-unit);
      margin-bottom: 2rem;
      background-color: var(--background-light);
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-ng-k-22vip__section--dark {
      background-color: var(--background-dark);
      color: var(--text-color-light);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-ng-k-22vip__section-title {
      font-size: 2rem;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 2.5rem;
      position: relative;
      padding-bottom: 10px;
    }

    .page-ng-k-22vip__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--secondary-color);
      border-radius: 2px;
    }

    /* Benefits Section */
    .page-ng-k-22vip__benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
    }

    .page-ng-k-22vip__benefit-item {
      background-color: var(--card-background);
      color: var(--text-color-light);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, background-color 0.3s ease;
      box-sizing: border-box; /* Required for list items */
    }

    .page-ng-k-22vip__benefit-item:hover {
      transform: translateY(-5px);
      background-color: #3a3a3a;
    }

    .page-ng-k-22vip__benefit-item img {
      width: 80px; /* Min size 200x200, this is just a placeholder for rendering, actual image will be larger */
      height: 80px; /* Min size 200x200, this is just a placeholder for rendering, actual image will be larger */
      margin-bottom: var(--spacing-unit);
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--secondary-color);
      max-width: 100%; /* Responsive image */
    }

    .page-ng-k-22vip__benefit-item h3 {
      font-size: 1.4rem;
      color: var(--secondary-color);
      margin-bottom: 0.8rem;
    }

    .page-ng-k-22vip__benefit-item p {
      font-size: 1rem;
      color: #ccc;
    }

    /* Registration Steps Section */
    .page-ng-k-22vip__steps-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .page-ng-k-22vip__step-item {
      background-color: var(--background-light);
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 25px;
      display: flex;
      align-items: flex-start;
      gap: var(--spacing-unit);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: transform 0.2s ease;
      box-sizing: border-box; /* Required for list items */
    }

    .page-ng-k-22vip__step-item:hover {
      transform: translateY(-3px);
    }

    .page-ng-k-22vip__step-number {
      display: flex;
      justify-content: center;
      align-items: center;
      min-width: 40px;
      height: 40px;
      background-color: var(--primary-color);
      color: var(--text-color-light);
      border-radius: 50%;
      font-size: 1.5rem;
      font-weight: bold;
    }

    .page-ng-k-22vip__step-content h3 {
      margin-top: 0;
      color: var(--text-color-dark);
      font-size: 1.3rem;
    }

    .page-ng-k-22vip__step-content p {
      color: var(--text-color-dark);
      font-size: 0.95rem;
    }

    /* Game Highlights */
    .page-ng-k-22vip__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
    }

    .page-ng-k-22vip__game-card {
      background-color: var(--card-background);
      color: var(--text-color-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Required for card elements */
    }

    .page-ng-k-22vip__game-card:hover {
      transform: translateY(-8px);
    }

    .page-ng-k-22vip__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%; /* Responsive image */
    }

    .page-ng-k-22vip__game-card-content {
      padding: 20px;
      text-align: center;
    }

    .page-ng-k-22vip__game-card-content h3 {
      font-size: 1.3rem;
      color: var(--secondary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-ng-k-22vip__game-card-content p {
      font-size: 0.95rem;
      color: #ccc;
    }

    /* Promotions Section */
    .page-ng-k-22vip__promo-card {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      margin: 0 auto;
      max-width: 800px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }

    .page-ng-k-22vip__promo-card h3 {
      font-size: 2rem;
      margin-top: 0;
      margin-bottom: 1rem;
      color: var(--text-color-light);
    }

    .page-ng-k-22vip__promo-card p {
      font-size: 1.1rem;
      margin-bottom: 1.5rem;
      color: #f0f0f0;
    }

    /* FAQ Section */
    .page-ng-k-22vip__faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-ng-k-22vip__faq-item {
      background-color: var(--card-background);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-ng-k-22vip__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: var(--background-dark);
      color: var(--text-color-light);
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-ng-k-22vip__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-ng-k-22vip__faq-question h3 {
      margin: 0;
      font-size: 1.2rem;
      color: var(--secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-ng-k-22vip__faq-toggle {
      font-size: 1.8rem;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
      line-height: 1; /* Ensure consistent height */
    }

    .page-ng-k-22vip__faq-item.active .page-ng-k-22vip__faq-toggle {
      transform: rotate(45deg); /* Change + to X-like or - */
    }

    .page-ng-k-22vip__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding */
      color: #ccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-ng-k-22vip__faq-item.active .page-ng-k-22vip__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important; /* Final padding */
      opacity: 1;
    }

    .page-ng-k-22vip__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }

    /* General Image Styles */
    .page-ng-k-22vip img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-ng-k-22vip {
        padding: 0.5rem;
      }

      .page-ng-k-22vip__hero-section {
        padding: 40px 0.5rem 30px;
        margin-bottom: 1.5rem;
      }

      .page-ng-k-22vip__hero-content h1 {
        font-size: 2rem;
      }

      .page-ng-k-22vip__hero-content p {
        font-size: 1rem;
      }

      .page-ng-k-22vip__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
      }

      .page-ng-k-22vip__section {
        padding: 30px 0.5rem;
        margin-bottom: 1.5rem;
      }

      .page-ng-k-22vip__section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
      }

      /* List item responsive requirements */
      .page-ng-k-22vip__benefits-grid,
      .page-ng-k-22vip__steps-list,
      .page-ng-k-22vip__game-grid {
        grid-template-columns: 1fr; /* Stack items on mobile */
        gap: 1.5rem;
      }

      .page-ng-k-22vip__benefit-item,
      .page-ng-k-22vip__step-item,
      .page-ng-k-22vip__game-card {
        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 smaller screens */
        word-wrap: break-word !important; /* Ensure text wraps */
        overflow-wrap: break-word !important; /* Ensure text wraps */
        word-break: break-word !important; /* For long keywords */
      }

      .page-ng-k-22vip__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-ng-k-22vip__game-card-image {
        height: 150px;
      }

      .page-ng-k-22vip__promo-card {
        padding: 20px;
      }

      .page-ng-k-22vip__promo-card h3 {
        font-size: 1.5rem;
      }

      .page-ng-k-22vip__promo-card p {
        font-size: 1rem;
      }

      .page-ng-k-22vip__faq-question {
        padding: 15px 20px;
      }

      .page-ng-k-22vip__faq-question h3 {
        font-size: 1.1rem;
      }

      .page-ng-k-22vip__faq-answer {
        padding: 0 20px;
      }

      .page-ng-k-22vip__faq-item.active .page-ng-k-22vip__faq-answer {
        padding: 15px 20px !important;
      }

      /* Ensure images inside list items are also responsive */
      .page-ng-k-22vip__benefit-item img,
      .page-ng-k-22vip__game-card-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-ng-k-22vip__hero-content h1 {
        font-size: 1.7rem;
      }
      .page-ng-k-22vip__hero-content p {
        font-size: 0.9rem;
      }
      .page-ng-k-22vip__cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
      }
      .page-ng-k-22vip__section-title {
        font-size: 1.6rem;
      }
    }