:root {
      --page-nohu90-primary-color: #e44d26; /* Cam đậm */
      --page-nohu90-secondary-color: #333; /* Xám đậm */
      --page-nohu90-accent-color: #f7b32b; /* Vàng cam */
      --page-nohu90-text-color: #f0f0f0; /* Trắng ngà */
      --page-nohu90-bg-color: #1a1a1a; /* Nền rất đậm */
      --page-nohu90-card-bg: #2a2a2a; /* Nền thẻ đậm */
      --page-nohu90-border-color: #444; /* Viền xám */
    }

    .page-nohu90 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-nohu90-bg-color);
      color: var(--page-nohu90-text-color);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-nohu90__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-nohu90__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-nohu90-card-bg);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-nohu90__section--hero {
      background-color: var(--page-nohu90-bg-color);
      padding: 0;
      box-shadow: none;
      border-radius: 0;
      position: relative;
      overflow: hidden;
      padding-top: 120px; /* Desktop fixed header spacing */
    }

    .page-nohu90__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      text-align: center;
      z-index: 2;
      color: #fff;
      max-width: 90%;
      background: rgba(0, 0, 0, 0.5);
      padding: 20px 30px;
      border-radius: 10px;
    }

    .page-nohu90__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      min-height: 400px; /* Ensure hero image is not too small */
      max-height: 600px;
      margin: 0 auto; /* Center image */
    }

    .page-nohu90__hero-title {
      font-size: 3.2em;
      color: var(--page-nohu90-accent-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-nohu90__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-nohu90-text-color);
      margin-bottom: 25px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-nohu90__btn {
      display: inline-block;
      background-color: var(--page-nohu90-primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-nohu90__btn:hover {
      background-color: #c73c1c; /* Slightly darker red */
      transform: translateY(-2px);
    }

    .page-nohu90__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-nohu90-accent-color);
      color: var(--page-nohu90-secondary-color);
      padding: 15px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      animation: page-nohu90__pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.2;
    }

    .page-nohu90__floating-button:hover {
      background-color: #e09f00; /* Darker accent */
      animation: none;
    }

    @keyframes page-nohu90__pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      }
      50% {
        transform: scale(1.05);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      }
    }

    .page-nohu90__title {
      font-size: 2.5em;
      color: var(--page-nohu90-primary-color);
      text-align: center;
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-nohu90__subtitle {
      font-size: 1.8em;
      color: var(--page-nohu90-accent-color);
      text-align: center;
      margin-bottom: 20px;
    }

    .page-nohu90__text-content {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: var(--page-nohu90-text-color);
    }

    .page-nohu90__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nohu90__game-card {
      background-color: var(--page-nohu90-bg-color);
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-nohu90-border-color);
    }

    .page-nohu90__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-nohu90__game-card-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      max-width: 100%; /* Ensure responsiveness */
      height: auto; /* Maintain aspect ratio */
    }

    .page-nohu90__game-card-title {
      font-size: 1.4em;
      color: var(--page-nohu90-accent-color);
      padding: 15px 10px;
      margin: 0;
    }

    .page-nohu90__game-card-title a {
      color: inherit;
      text-decoration: none;
    }

    .page-nohu90__game-card-title a:hover {
      text-decoration: underline;
    }

    .page-nohu90__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      align-items: center;
      justify-items: center;
    }

    .page-nohu90__provider-logo {
      width: 100%;
      max-width: 200px; /* Ensure logos are not too big */
      height: auto;
      object-fit: contain;
      padding: 10px;
      background-color: var(--page-nohu90-bg-color);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
      max-width: 100%; /* Ensure responsiveness */
      height: auto; /* Maintain aspect ratio */
    }

    .page-nohu90__provider-logo:hover {
      transform: scale(1.05);
    }

    .page-nohu90__faq-section {
      background-color: var(--page-nohu90-card-bg);
      padding: 40px 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-nohu90__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-nohu90-border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-nohu90__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-nohu90-secondary-color);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-nohu90-text-color);
    }

    .page-nohu90__faq-question:hover {
      background-color: #444;
    }

    .page-nohu90__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevents text selection from interfering with click */
      flex-grow: 1;
      padding-right: 10px;
    }

    .page-nohu90__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-nohu90-accent-color);
      pointer-events: none; /* Prevents icon from interfering with click */
      transition: transform 0.3s ease;
    }

    .page-nohu90__faq-item.active .page-nohu90__faq-toggle {
      transform: rotate(45deg); /* Change + to X (or similar) */
      color: var(--page-nohu90-primary-color);
    }

    .page-nohu90__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--page-nohu90-bg-color);
      color: var(--page-nohu90-text-color);
      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: 1em;
    }

    .page-nohu90__faq-item.active .page-nohu90__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-nohu90__list {
      list-style: none;
      padding: 0;
      margin: 20px 0;
    }

    .page-nohu90__list-item {
      background-color: var(--page-nohu90-secondary-color);
      margin-bottom: 10px;
      padding: 15px;
      border-radius: 5px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-nohu90__list-item::before {
      content: '✔';
      color: var(--page-nohu90-accent-color);
      font-weight: bold;
      font-size: 1.2em;
    }

    .page-nohu90__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-nohu90-primary-color);
      color: #fff;
      border-radius: 8px;
      margin-top: 40px;
    }

    .page-nohu90__cta-title {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: #fff;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    .page-nohu90__cta-text {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #eee;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-nohu90__section--hero {
        padding-top: 100px; /* Mobile fixed header spacing */
      }
      .page-nohu90__hero-title {
        font-size: 2.2em;
      }
      .page-nohu90__hero-subtitle {
        font-size: 1.2em;
      }
      .page-nohu90__title {
        font-size: 2em;
      }
      .page-nohu90__subtitle {
        font-size: 1.5em;
      }
      .page-nohu90__text-content {
        font-size: 1em;
      }
      .page-nohu90__game-grid {
        grid-template-columns: 1fr;
      }
      .page-nohu90__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-nohu90__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-nohu90__faq-question {
        font-size: 1.1em;
      }
      .page-nohu90__faq-answer {
        font-size: 0.95em;
      }
      .page-nohu90__cta-title {
        font-size: 2em;
      }
      .page-nohu90__cta-text {
        font-size: 1.1em;
      }

      /* Force responsive image styles for mobile */
      .page-nohu90 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-nohu90 .page-nohu90__game-card-image,
      .page-nohu90 .page-nohu90__provider-logo,
      .page-nohu90 .page-nohu90__hero-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-nohu90 .page-nohu90__game-card {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }