:root {
      --page-zomclub-primary-color: #e44d26; /* Cam đỏ */
      --page-zomclub-secondary-color: #333; /* Xám đậm */
      --page-zomclub-accent-color: #f7b32b; /* Vàng cam */
      --page-zomclub-background-color: #1a1a1a; /* Nền tối */
      --page-zomclub-text-color: #f0f0f0; /* Chữ sáng */
      --page-zomclub-light-gray: #ccc; /* Xám nhạt */
      --page-zomclub-dark-gray: #2c2c2c; /* Xám hơi tối */
    }

    .page-zomclub {
      font-family: 'Arial', sans-serif;
      color: var(--page-zomclub-text-color);
      background-color: var(--page-zomclub-background-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating button */
    }

    .page-zomclub__hero-section {
      background-color: var(--page-zomclub-secondary-color);
      padding: 10px 20px 40px; /* Adjusted padding-top for fixed header */
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .page-zomclub__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-zomclub__hero-title {
      font-size: 2.8em;
      color: var(--page-zomclub-accent-color);
      margin-bottom: 15px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-zomclub__hero-subtitle {
      font-size: 1.3em;
      color: var(--page-zomclub-light-gray);
      margin-bottom: 30px;
    }

    .page-zomclub__hero-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .page-zomclub__button {
      display: inline-block;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 1.1em;
      text-align: center;
      box-sizing: border-box;
      white-space: nowrap; /* Prevent text wrapping inside button */
    }

    .page-zomclub__button--primary {
      background-color: var(--page-zomclub-primary-color);
      color: #fff;
      border: 2px solid var(--page-zomclub-primary-color);
    }

    .page-zomclub__button--primary:hover {
      background-color: #c73d1c; /* Darker primary */
      transform: translateY(-2px);
    }

    .page-zomclub__button--secondary {
      background-color: transparent;
      color: var(--page-zomclub-accent-color);
      border: 2px solid var(--page-zomclub-accent-color);
    }

    .page-zomclub__button--secondary:hover {
      background-color: var(--page-zomclub-accent-color);
      color: var(--page-zomclub-secondary-color);
      transform: translateY(-2px);
    }

    .page-zomclub__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin-top: 30px;
      border-radius: 10px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-zomclub__floating-login-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-zomclub-accent-color);
      border-radius: 50px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      animation: floatButton 2s ease-in-out infinite;
    }

    .page-zomclub__floating-button-link {
      display: block;
      padding: 15px 25px;
      color: var(--page-zomclub-secondary-color);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      white-space: nowrap;
      border-radius: 50px;
      text-align: center;
    }

    .page-zomclub__floating-button-link:hover {
      background-color: #e0a126; /* Darker accent */
    }

    @keyframes floatButton {
      0% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
      100% { transform: translateY(0); }
    }

    .page-zomclub__introduction-section,
    .page-zomclub__features-section,
    .page-zomclub__games-section,
    .page-zomclub__download-section,
    .page-zomclub__faq-section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-zomclub__section-title {
      font-size: 2.2em;
      color: var(--page-zomclub-primary-color);
      text-align: center;
      margin-bottom: 40px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-zomclub__introduction-section p {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .page-zomclub__feature-item {
      background-color: var(--page-zomclub-dark-gray);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Crucial for responsiveness */
    }

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

    .page-zomclub__feature-icon {
      width: 100px; /* Minimum 200px, but scaled down */
      height: auto;
      max-width: 100px; /* Ensure it's not too large */
      margin-bottom: 15px;
    }

    .page-zomclub__feature-title {
      font-size: 1.5em;
      color: var(--page-zomclub-accent-color);
      margin-bottom: 10px;
    }

    .page-zomclub__feature-item p {
      font-size: 0.95em;
      color: var(--page-zomclub-light-gray);
    }

    .page-zomclub__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-zomclub__game-card {
      background-color: var(--page-zomclub-dark-gray);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Crucial for responsiveness */
    }

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

    .page-zomclub__game-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
    }

    .page-zomclub__game-title {
      font-size: 1.4em;
      color: var(--page-zomclub-accent-color);
      padding: 15px 10px 5px;
      text-align: center;
    }

    .page-zomclub__game-card p {
      font-size: 0.9em;
      color: var(--page-zomclub-light-gray);
      padding: 0 15px 15px;
      text-align: center;
    }

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

    .page-zomclub__step-item {
      background-color: var(--page-zomclub-dark-gray);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-zomclub__step-image {
      width: 120px; /* Minimum 200px, but scaled down */
      height: auto;
      max-width: 120px; /* Ensure it's not too large */
      margin-bottom: 15px;
    }

    .page-zomclub__step-title {
      font-size: 1.5em;
      color: var(--page-zomclub-primary-color);
      margin-bottom: 10px;
    }

    .page-zomclub__step-item p {
      font-size: 1em;
      color: var(--page-zomclub-light-gray);
    }

    .page-zomclub__download-cta {
      text-align: center;
      margin-top: 50px;
      padding: 30px;
      background-color: var(--page-zomclub-secondary-color);
      border-radius: 10px;
    }

    .page-zomclub__download-cta p {
      font-size: 1.2em;
      margin-bottom: 25px;
      color: var(--page-zomclub-accent-color);
    }

    .page-zomclub__faq-list {
      margin-top: 30px;
    }

    .page-zomclub__faq-item {
      background-color: var(--page-zomclub-dark-gray);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-zomclub__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-zomclub-secondary-color);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-zomclub__faq-question:hover {
      background-color: #444; /* Slightly lighter dark gray */
    }

    .page-zomclub__faq-q-text {
      font-size: 1.2em;
      color: var(--page-zomclub-text-color);
      margin: 0;
      pointer-events: none; /* Prevent text from blocking click */
    }

    .page-zomclub__faq-toggle {
      font-size: 1.8em;
      color: var(--page-zomclub-accent-color);
      font-weight: bold;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent icon from blocking click */
    }

    .page-zomclub__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: var(--page-zomclub-light-gray);
    }

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

    .page-zomclub__faq-item.active .page-zomclub__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-zomclub__faq-answer p {
      margin: 0;
      font-size: 1em;
      line-height: 1.6;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-zomclub__hero-section {
        padding-top: 10px; /* Adjust padding for mobile fixed header */
        padding-left: 15px;
        padding-right: 15px;
      }

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

      .page-zomclub__hero-subtitle {
        font-size: 1em;
      }

      .page-zomclub__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-zomclub__button {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-zomclub__floating-login-button {
        bottom: 15px;
        right: 15px;
      }

      .page-zomclub__floating-button-link {
        padding: 12px 20px;
        font-size: 0.9em;
      }

      .page-zomclub__introduction-section,
      .page-zomclub__features-section,
      .page-zomclub__games-section,
      .page-zomclub__download-section,
      .page-zomclub__faq-section {
        padding: 30px 15px;
      }

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

      .page-zomclub__features-grid,
      .page-zomclub__games-grid,
      .page-zomclub__download-steps {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
      }

      .page-zomclub__feature-item,
      .page-zomclub__game-card,
      .page-zomclub__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px; /* Adjusted padding for mobile */
      }

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

      .page-zomclub__faq-question {
        padding: 12px 15px;
      }

      .page-zomclub__faq-q-text {
        font-size: 1em;
      }

      .page-zomclub__faq-answer {
        padding: 0 15px;
      }

      .page-zomclub__faq-item.active .page-zomclub__faq-answer {
        padding: 15px 15px !important;
      }

      .page-zomclub__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }

    @media (max-width: 480px) {
      .page-zomclub__hero-title {
        font-size: 1.7em;
      }

      .page-zomclub__hero-subtitle {
        font-size: 0.9em;
      }

      .page-zomclub__floating-button-link {
        font-size: 0.8em;
        padding: 10px 15px;
      }

      .page-zomclub__section-title {
        font-size: 1.5em;
      }

      .page-zomclub__feature-title,
      .page-zomclub__game-title,
      .page-zomclub__step-title {
        font-size: 1.3em;
      }
    }