/* Tổng quan */
    :root {
      --page-nohu-primary-color: #e44d26; /* Màu cam */
      --page-nohu-secondary-color: #ffb300; /* Màu vàng */
      --page-nohu-dark-bg: #2c3e50; /* Xám đậm */
      --page-nohu-light-bg: #f5f5f5; /* Xám nhạt */
      --page-nohu-text-color: #333;
      --page-nohu-white: #fff;
      --page-nohu-border-radius: 8px;
      --page-nohu-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      --page-nohu-transition: all 0.3s ease-in-out;
    }

    .page-nohu {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-nohu-text-color);
      background-color: var(--page-nohu-light-bg);
      padding: 0;
      margin: 0;
      overflow-x: hidden; /* Đảm bảo không có scroll ngang */
    }

    /* Các phần tử chung */
    .page-nohu__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-nohu__section {
      background-color: var(--page-nohu-white);
      margin-bottom: 30px;
      padding: 30px;
      border-radius: var(--page-nohu-border-radius);
      box-shadow: var(--page-nohu-shadow);
    }

    .page-nohu__heading {
      text-align: center;
      color: var(--page-nohu-primary-color);
      margin-bottom: 30px;
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-nohu__sub-heading {
      color: var(--page-nohu-dark-bg);
      margin-top: 25px;
      margin-bottom: 15px;
      font-size: 1.8em;
      font-weight: 600;
    }

    .page-nohu__paragraph {
      margin-bottom: 15px;
      font-size: 1.1em;
      line-height: 1.7;
    }

    .page-nohu__button {
      display: inline-block;
      background-color: var(--page-nohu-primary-color);
      color: var(--page-nohu-white);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: var(--page-nohu-transition);
      border: none;
      cursor: pointer;
      text-align: center;
    }

    .page-nohu__button:hover {
      background-color: #c93b1b; /* Màu cam đậm hơn */
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }

    /* Hero Section */
    .page-nohu__hero-section {
      position: relative;
      background-color: var(--page-nohu-dark-bg);
      color: var(--page-nohu-white);
      text-align: center;
      padding: 10px 20px 60px; /* Padding top cho header cố định */
      overflow: hidden;
      border-radius: 0 0 var(--page-nohu-border-radius) var(--page-nohu-border-radius);
      margin-bottom: 30px;
    }

    .page-nohu__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
      max-width: 100%;
      box-sizing: border-box;
    }
    .page-nohu__hero-background img {
        max-width: 100%;
        height: auto;
        display: block;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }


    .page-nohu__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-nohu__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: var(--page-nohu-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-nohu__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Nút đăng nhập nổi */
    .page-nohu__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-nohu-primary-color);
      color: var(--page-nohu-white);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
      transition: var(--page-nohu-transition);
      animation: page-nohu__pulse 2s infinite;
      border: none;
      cursor: pointer;
      text-align: center;
    }

    .page-nohu__floating-button:hover {
      background-color: #c93b1b;
      transform: scale(1.05);
    }

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

    /* Danh sách game */
    .page-nohu__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nohu__game-card {
      background-color: var(--page-nohu-white);
      border-radius: var(--page-nohu-border-radius);
      box-shadow: var(--page-nohu-shadow);
      overflow: hidden;
      text-align: center;
      transition: var(--page-nohu-transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-nohu__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-nohu__game-card-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        height: 200px; /* Chiều cao cố định cho hình ảnh */
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #eee;
    }

    .page-nohu__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

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

    .page-nohu__game-card-title {
      font-size: 1.4em;
      color: var(--page-nohu-dark-bg);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-nohu__game-card-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    /* Hướng dẫn chơi */
    .page-nohu__steps-list {
      list-style: none;
      padding: 0;
    }

    .page-nohu__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 25px;
      background-color: var(--page-nohu-light-bg);
      padding: 20px;
      border-radius: var(--page-nohu-border-radius);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-nohu__step-icon {
      flex-shrink: 0;
      width: 50px;
      height: 50px;
      background-color: var(--page-nohu-secondary-color);
      color: var(--page-nohu-white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8em;
      font-weight: bold;
      margin-right: 20px;
    }

    .page-nohu__step-content {
      flex-grow: 1;
    }

    .page-nohu__step-title {
      font-size: 1.3em;
      color: var(--page-nohu-primary-color);
      margin-top: 0;
      margin-bottom: 8px;
    }

    /* Ưu đãi */
    .page-nohu__promotion-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-nohu__promotion-item {
      background-color: var(--page-nohu-white);
      padding: 25px;
      border-radius: var(--page-nohu-border-radius);
      box-shadow: var(--page-nohu-shadow);
      border-left: 5px solid var(--page-nohu-secondary-color);
      transition: var(--page-nohu-transition);
    }

    .page-nohu__promotion-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-nohu__promotion-title {
      font-size: 1.3em;
      color: var(--page-nohu-dark-bg);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-nohu__promotion-description {
      font-size: 1em;
      color: #555;
    }

    /* FAQ */
    .page-nohu__faq-list {
      margin-top: 30px;
    }

    .page-nohu__faq-item {
      background-color: var(--page-nohu-white);
      border-radius: var(--page-nohu-border-radius);
      margin-bottom: 15px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-nohu__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #f0f0f0;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      border-bottom: 1px solid #e0e0e0;
    }

    .page-nohu__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-nohu-dark-bg);
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
    }

    .page-nohu__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-nohu-primary-color);
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle */
      transition: transform 0.3s ease;
    }

    .page-nohu__faq-item.active .page-nohu__faq-question {
      background-color: var(--page-nohu-primary-color);
      color: var(--page-nohu-white);
    }
    .page-nohu__faq-item.active .page-nohu__faq-question h3 {
        color: var(--page-nohu-white);
    }
    .page-nohu__faq-item.active .page-nohu__faq-toggle {
      transform: rotate(45deg); /* Biến '+' thành 'x' hoặc '-' */
      color: var(--page-nohu-white);
    }

    .page-nohu__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #444;
      font-size: 1em;
    }

    .page-nohu__faq-item.active .page-nohu__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }
    .page-nohu__faq-answer p {
        margin-bottom: 10px;
    }
    .page-nohu__faq-answer p:last-child {
        margin-bottom: 0;
    }

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

      .page-nohu__heading {
        font-size: 2em;
      }

      .page-nohu__sub-heading {
        font-size: 1.5em;
      }

      .page-nohu__hero-title {
        font-size: 2.2em;
      }

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

      .page-nohu__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-nohu__game-grid {
        grid-template-columns: 1fr;
      }

      .page-nohu__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-nohu__step-icon {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-nohu__promotion-list {
        grid-template-columns: 1fr;
      }

      .page-nohu__hero-section {
        padding-top: 10px; /* Điều chỉnh padding cho mobile */
      }
      .page-nohu__faq-question {
        padding: 12px 15px;
      }
      .page-nohu__faq-question h3 {
        font-size: 1.1em;
      }
      .page-nohu__faq-answer {
        padding: 0 15px;
      }
      .page-nohu__faq-item.active .page-nohu__faq-answer {
        padding: 15px !important;
      }

      /* Hình ảnh phải luôn responsive */
      .page-nohu__hero-background img,
      .page-nohu__game-card-image {
          max-width: 100% !important;
          height: auto !important;
          box-sizing: border-box !important;
      }
      .page-nohu__game-card-image-wrapper {
          height: 180px; /* Điều chỉnh chiều cao hình ảnh trên mobile */
      }
    }

    @media (max-width: 480px) {
        .page-nohu__hero-title {
            font-size: 1.8em;
        }
        .page-nohu__hero-description {
            font-size: 0.9em;
        }
        .page-nohu__button {
            padding: 10px 20px;
            font-size: 1em;
        }
    }