/* Tổng quan */
    :root {
      --page-188vapk__primary-color: #e44d26; /* Cam */
      --page-188vapk__secondary-color: #333;
      --page-188vapk__accent-color: #f7b731; /* Vàng */
      --page-188vapk__light-bg: #f9f9f9;
      --page-188vapk__dark-bg: #222;
      --page-188vapk__text-color: #333;
      --page-188vapk__light-text: #fff;
      --page-188vapk__border-color: #ddd;
    }

    .page-188vapk {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-188vapk__text-color);
      background-color: #fff;
    }

    .page-188vapk__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Tiêu đề chung */
    .page-188vapk__heading-primary {
      font-size: 2.8em;
      color: var(--page-188vapk__primary-color);
      text-align: center;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-188vapk__heading-secondary {
      font-size: 2.2em;
      color: var(--page-188vapk__secondary-color);
      text-align: center;
      margin: 40px 0 25px;
      line-height: 1.3;
    }

    .page-188vapk__heading-tertiary {
      font-size: 1.6em;
      color: var(--page-188vapk__primary-color);
      margin: 25px 0 15px;
      line-height: 1.4;
    }

    /* Nút CTA */
    .page-188vapk__button {
      display: inline-block;
      background-color: var(--page-188vapk__primary-color);
      color: var(--page-188vapk__light-text);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      text-align: center;
    }

    .page-188vapk__button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-188vapk__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:188v_apk_banner,mobile_gaming,promo_background]') center center/cover no-repeat;
      color: var(--page-188vapk__light-text);
      padding: 10px 20px 80px; /* Adjusted padding-top for fixed header */
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      box-sizing: border-box;
    }

    .page-188vapk__hero-content {
      max-width: 800px;
    }

    .page-188vapk__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: var(--page-188vapk__light-text);
    }

    .page-188vapk__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .page-188vapk__hero-button-wrapper {
        margin-top: 30px;
    }

    /* Floating Login Button */
    .page-188vapk__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-188vapk__accent-color);
      color: var(--page-188vapk__secondary-color);
      padding: 12px 25px;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      animation: page-188vapk__pulse 2s infinite;
      text-decoration: none;
      white-space: nowrap; /* Ngăn nút bị ngắt dòng */
    }

    .page-188vapk__floating-button:hover {
      background-color: #f0a500;
      animation: none;
    }

    @keyframes page-188vapk__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Game Categories Section */
    .page-188vapk__game-categories {
      padding: 60px 0;
      background-color: var(--page-188vapk__light-bg);
    }

    .page-188vapk__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-188vapk__game-card {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .page-188vapk__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-188vapk__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--page-188vapk__border-color);
    }

    .page-188vapk__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-188vapk__game-card-title {
      font-size: 1.4em;
      color: var(--page-188vapk__primary-color);
      margin-bottom: 10px;
    }

    .page-188vapk__game-card-description {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    /* Why Choose Section */
    .page-188vapk__why-choose-us {
      padding: 60px 0;
      background-color: #fff;
    }

    .page-188vapk__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-188vapk__feature-item {
      background-color: var(--page-188vapk__light-bg);
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-188vapk__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-188vapk__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-188vapk__feature-title {
      font-size: 1.5em;
      color: var(--page-188vapk__secondary-color);
      margin-bottom: 10px;
    }

    .page-188vapk__feature-description {
      color: #555;
      font-size: 1em;
    }

    /* Installation Guide Section */
    .page-188vapk__installation-guide {
      padding: 60px 0;
      background-color: var(--page-188vapk__light-bg);
    }

    .page-188vapk__steps-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
      margin-top: 40px;
    }

    .page-188vapk__step-item {
      background-color: #fff;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: flex-start;
      gap: 20px;
      box-sizing: border-box;
    }

    .page-188vapk__step-number {
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-188vapk__primary-color);
      flex-shrink: 0;
      width: 50px;
      text-align: center;
    }

    .page-188vapk__step-content {
      flex-grow: 1;
    }

    .page-188vapk__step-title {
      font-size: 1.4em;
      color: var(--page-188vapk__secondary-color);
      margin-bottom: 10px;
    }

    .page-188vapk__step-description {
      color: #555;
      font-size: 1em;
    }
    
    .page-188vapk__step-image {
        width: 100%;
        max-width: 400px;
        height: auto;
        margin-top: 20px;
        border-radius: 8px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    /* FAQ Section */
    .page-188vapk__faq-section {
      padding: 60px 0;
      background-color: #fff;
    }

    .page-188vapk__faq-list {
      margin-top: 40px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-188vapk__faq-item {
      border: 1px solid var(--page-188vapk__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: var(--page-188vapk__light-bg);
      transition: box-shadow 0.3s ease;
    }

    .page-188vapk__faq-item:hover {
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    }

    .page-188vapk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #fff;
      color: var(--page-188vapk__secondary-color);
      font-weight: bold;
      font-size: 1.1em;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-188vapk__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-188vapk__faq-question h3 {
      margin: 0;
      font-size: 1em; /* Adjust to fit parent font size */
      color: var(--page-188vapk__secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
    }

    .page-188vapk__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      color: var(--page-188vapk__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-188vapk__faq-item.active .page-188vapk__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-188vapk__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding */
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
      font-size: 0.95em;
      opacity: 0;
    }

    .page-188vapk__faq-item.active .page-188vapk__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important; /* Expanded padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-188vapk__hero-title {
        font-size: 3em;
      }
      .page-188vapk__heading-primary {
        font-size: 2.4em;
      }
      .page-188vapk__heading-secondary {
        font-size: 1.8em;
      }
    }

    @media (max-width: 768px) {
      .page-188vapk__container {
        padding: 15px;
      }

      .page-188vapk__hero-section {
        min-height: 400px;
        padding-top: 10px; /* Ensure content is not hidden by fixed header */
        padding-bottom: 60px;
      }

      .page-188vapk__hero-title {
        font-size: 2.5em;
      }

      .page-188vapk__hero-description {
        font-size: 1.1em;
      }

      .page-188vapk__heading-primary {
        font-size: 2em;
      }

      .page-188vapk__heading-secondary {
        font-size: 1.6em;
      }
      
      .page-188vapk__heading-tertiary {
        font-size: 1.4em;
      }

      .page-188vapk__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-188vapk__floating-button {
        padding: 10px 20px;
        font-size: 0.95em;
        width: auto;
        max-width: calc(100% - 40px);
        bottom: 15px;
      }

      .page-188vapk__game-grid,
      .page-188vapk__feature-list {
        grid-template-columns: 1fr;
        gap: 25px;
      }

      .page-188vapk__game-card-image {
        height: 180px;
      }

      .page-188vapk__game-card-title {
        font-size: 1.2em;
      }

      .page-188vapk__feature-item,
      .page-188vapk__step-item {
        padding: 25px;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      
      .page-188vapk__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-188vapk__step-number {
        margin-bottom: 15px;
      }
      
      .page-188vapk__step-image {
          max-width: 100%;
          width: 100%;
          box-sizing: border-box !important;
      }

      .page-188vapk__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }
      
      .page-188vapk__faq-question h3 {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }

      .page-188vapk__faq-answer {
        padding: 0 20px;
        font-size: 0.9em;
      }
      
      .page-188vapk__faq-item.active .page-188vapk__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsive for mobile */
      .page-188vapk img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-188vapk__game-card-image,
      .page-188vapk__feature-icon,
      .page-188vapk__step-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
      }
      
      .page-188vapk__steps-list,
      .page-188vapk__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-188vapk__hero-title {
        font-size: 2em;
      }
      .page-188vapk__hero-description {
        font-size: 1em;
      }
      .page-188vapk__heading-primary {
        font-size: 1.8em;
      }
      .page-188vapk__heading-secondary {
        font-size: 1.4em;
      }
    }