:root {
      --page-nhatvip-primary-color: #f7b32b; /* Vàng cam */
      --page-nhatvip-secondary-color: #2c3e50; /* Xanh đậm */
      --page-nhatvip-accent-color: #e74c3c; /* Đỏ */
      --page-nhatvip-text-light: #ecf0f1; /* Trắng xám */
      --page-nhatvip-text-dark: #34495e; /* Xám đậm */
      --page-nhatvip-bg-dark: #1a252f; /* Nền tối */
      --page-nhatvip-bg-light: #ffffff; /* Nền sáng */
      --page-nhatvip-border-radius: 8px;
      --page-nhatvip-padding-section: 40px 20px;
    }

    .page-nhatvip {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-nhatvip-text-dark);
      background-color: var(--page-nhatvip-bg-light);
    }

    .page-nhatvip-section {
      padding: var(--page-nhatvip-padding-section);
      margin-bottom: 20px;
      background-color: var(--page-nhatvip-bg-light);
      border-radius: var(--page-nhatvip-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .page-nhatvip-section.dark-bg {
      background-color: var(--page-nhatvip-bg-dark);
      color: var(--page-nhatvip-text-light);
    }

    .page-nhatvip-section.dark-bg h1,
    .page-nhatvip-section.dark-bg h2,
    .page-nhatvip-section.dark-bg h3,
    .page-nhatvip-section.dark-bg h4 {
      color: var(--page-nhatvip-primary-color);
    }

    .page-nhatvip-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-nhatvip-text-center {
      text-align: center;
    }

    .page-nhatvip-logo {
      display: block;
      margin: 0 auto 20px;
      max-width: 180px;
      height: auto;
    }

    .page-nhatvip-h1 {
      font-size: 2.5em;
      color: var(--page-nhatvip-secondary-color);
      margin-bottom: 15px;
    }

    .page-nhatvip-h2 {
      font-size: 2em;
      color: var(--page-nhatvip-secondary-color);
      margin-top: 30px;
      margin-bottom: 20px;
      border-bottom: 2px solid var(--page-nhatvip-primary-color);
      padding-bottom: 10px;
    }

    .page-nhatvip-h3 {
      font-size: 1.5em;
      color: var(--page-nhatvip-primary-color);
      margin-top: 25px;
      margin-bottom: 15px;
    }

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

    .page-nhatvip-button:hover {
      background-color: #e6a220; /* Slightly darker primary */
      color: var(--page-nhatvip-bg-dark);
    }

    .page-nhatvip-button.secondary {
      background-color: var(--page-nhatvip-secondary-color);
      color: var(--page-nhatvip-text-light);
    }

    .page-nhatvip-button.secondary:hover {
      background-color: #1f2d3d; /* Slightly darker secondary */
      color: var(--page-nhatvip-text-light);
    }

    .page-nhatvip-button-group {
      margin-top: 20px;
      display: flex;
      gap: 15px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .page-nhatvip-image-full {
      width: 100%;
      height: auto;
      border-radius: var(--page-nhatvip-border-radius);
      margin-bottom: 20px;
      object-fit: cover;
    }

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

    .page-nhatvip-card {
      background-color: var(--page-nhatvip-bg-light);
      border-radius: var(--page-nhatvip-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      color: var(--page-nhatvip-text-dark);
      padding-bottom: 20px;
    }

    .page-nhatvip-card.dark-card {
      background-color: var(--page-nhatvip-secondary-color);
      color: var(--page-nhatvip-text-light);
    }

    .page-nhatvip-card.dark-card h3 {
      color: var(--page-nhatvip-primary-color);
    }

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

    .page-nhatvip-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      margin-bottom: 15px;
    }

    .page-nhatvip-card-content {
      padding: 0 15px;
    }

    .page-nhatvip-list {
      list-style-type: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-nhatvip-list li {
      background-color: var(--page-nhatvip-bg-light);
      padding: 12px 15px;
      margin-bottom: 10px;
      border-left: 4px solid var(--page-nhatvip-primary-color);
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
      color: var(--page-nhatvip-text-dark);
    }
    .page-nhatvip-section.dark-bg .page-nhatvip-list li {
      background-color: #263442; /* Slightly lighter than dark-bg */
      color: var(--page-nhatvip-text-light);
    }

    .page-nhatvip-floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-nhatvip-floating-buttons .page-nhatvip-button {
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      min-width: 120px;
      text-align: center;
    }

    .page-nhatvip-payment-providers,
    .page-nhatvip-game-providers {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 25px;
    }

    .page-nhatvip-provider-logo {
      max-width: 80px;
      height: auto;
      filter: grayscale(100%);
      opacity: 0.7;
      transition: all 0.3s ease;
    }

    .page-nhatvip-provider-logo:hover {
      filter: grayscale(0%);
      opacity: 1;
    }

    @media (max-width: 768px) {
      .page-nhatvip-h1 {
        font-size: 2em;
      }
      .page-nhatvip-h2 {
        font-size: 1.7em;
      }
      .page-nhatvip-h3 {
        font-size: 1.3em;
      }
      .page-nhatvip-button {
        padding: 10px 20px;
      }
      .page-nhatvip-grid {
        grid-template-columns: 1fr;
      }
      .page-nhatvip-floating-buttons {
        right: 10px;
        bottom: 10px;
      }
      .page-nhatvip-floating-buttons .page-nhatvip-button {
        min-width: 100px;
        padding: 10px 15px;
      }
    }