:root {
      --primary-color: #e44d26; /* Một màu cam đỏ nổi bật */
      --secondary-color: #f7b731; /* Một màu vàng tươi */
      --text-dark: #333333;
      --text-light: #ffffff;
      --background-light: #f8f8f8;
      --background-dark: #2c3e50; /* Màu xanh đậm */
      --border-color: #dddddd;
      --transition-speed: 0.3s ease-in-out;
    }

    .page-3win-apk-download {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--background-light);
      padding-bottom: 50px;
    }

    .page-3win-apk-download__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-3win-apk-download__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:mobile_betting,app_download,3win]') no-repeat center center/cover;
      color: var(--text-light);
      text-align: center;
      padding: 100px 15px 80px; /* Adjusted padding-top as per instruction */
      position: relative;
      overflow: hidden;
      margin-bottom: 40px;
      padding-top: 10px; /* Small decorative top padding, assuming body has header offset */
    }

    .page-3win-apk-download__hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5); /* Overlay for better text readability */
        z-index: 1;
    }

    .page-3win-apk-download__hero-content {
        position: relative;
        z-index: 2;
    }

    .page-3win-apk-download__hero-section h1 {
      font-size: 3.2em;
      margin-bottom: 20px;
      color: var(--secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-3win-apk-download__hero-section p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px;
      color: var(--text-light);
    }

    .page-3win-apk-download__download-button {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color var(--transition-speed);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-3win-apk-download__download-button:hover {
      background-color: #c73c1c; /* Slightly darker primary */
    }

    .page-3win-apk-download__qr-code {
      display: block;
      margin: 30px auto 0;
      width: 250px;
      height: 250px;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      max-width: 100%;
      height: auto;
    }

    .page-3win-apk-download__section {
      padding: 40px 0;
      margin-bottom: 30px;
      background-color: var(--text-light);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-3win-apk-download__section h2 {
      text-align: center;
      font-size: 2.5em;
      margin-bottom: 30px;
      color: var(--primary-color);
    }

    .page-3win-apk-download__benefits-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-3win-apk-download__benefits-item {
      background-color: var(--background-dark);
      color: var(--text-light);
      padding: 25px;
      border-radius: 8px;
      text-align: center;
      flex: 1 1 calc(25% - 20px); /* 4 items per row */
      max-width: calc(25% - 20px);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      transition: transform var(--transition-speed);
      box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-3win-apk-download__benefits-item:hover {
      transform: translateY(-5px);
    }

    .page-3win-apk-download__benefits-item h3 {
      font-size: 1.4em;
      margin-bottom: 10px;
      color: var(--secondary-color);
    }

    .page-3win-apk-download__benefits-item p {
      font-size: 1em;
      line-height: 1.5;
    }

    .page-3win-apk-download__download-guide-section {
      background-color: var(--background-light);
      padding: 40px 0;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-3win-apk-download__steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
    }

    .page-3win-apk-download__step-item {
      flex: 1 1 calc(33% - 30px); /* 3 items per row */
      max-width: calc(33% - 30px);
      background-color: var(--text-light);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      border-top: 5px solid var(--primary-color);
      box-sizing: border-box;
    }

    .page-3win-apk-download__step-item h3 {
      font-size: 1.8em;
      color: var(--background-dark);
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }

    .page-3win-apk-download__step-item h3 span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: var(--primary-color);
      color: var(--text-light);
      font-size: 1.2em;
      font-weight: bold;
    }

    .page-3win-apk-download__step-item p {
      font-size: 1.1em;
      color: var(--text-dark);
    }

    .page-3win-apk-download__game-showcase-section {
      background-color: var(--text-light);
      padding: 40px 0;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-3win-apk-download__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      padding: 0 15px;
    }

    .page-3win-apk-download__game-card {
      background-color: var(--background-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transition: transform var(--transition-speed), box-shadow var(--transition-speed);
      text-align: center;
    }

    .page-3win-apk-download__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-3win-apk-download__game-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-3win-apk-download__game-card-content {
      padding: 20px;
    }

    .page-3win-apk-download__game-card h3 {
      font-size: 1.5em;
      color: var(--background-dark);
      margin-bottom: 10px;
    }

    .page-3win-apk-download__game-card p {
      font-size: 0.95em;
      color: var(--text-dark);
    }

    .page-3win-apk-download__faq-section {
      background-color: var(--background-dark);
      color: var(--text-light);
      padding: 40px 0;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-3win-apk-download__faq-section h2 {
      color: var(--secondary-color);
    }

    .page-3win-apk-download__faq-container {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-3win-apk-download__faq-item {
      margin-bottom: 15px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-3win-apk-download__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: var(--primary-color);
      padding: 15px 20px;
      cursor: pointer;
      font-size: 1.2em;
      font-weight: bold;
      color: var(--text-light);
      transition: background-color var(--transition-speed);
      user-select: none;
    }

    .page-3win-apk-download__faq-question:hover {
      background-color: #c73c1c;
    }

    .page-3win-apk-download__faq-question h3 {
      margin: 0;
      color: var(--text-light);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-3win-apk-download__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      transition: transform var(--transition-speed);
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-3win-apk-download__faq-item.active .page-3win-apk-download__faq-toggle {
      transform: rotate(45deg);
    }

    .page-3win-apk-download__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: rgba(255, 255, 255, 0.1);
      color: var(--text-light);
      font-size: 1em;
    }

    .page-3win-apk-download__faq-item.active .page-3win-apk-download__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain any content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-3win-apk-download__cta-section {
      text-align: center;
      padding: 50px 15px;
      background-color: var(--primary-color);
      color: var(--text-light);
      border-radius: 8px;
      margin-top: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-3win-apk-download__cta-section h2 {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: var(--secondary-color);
    }

    .page-3win-apk-download__cta-section p {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-3win-apk-download__cta-button {
      display: inline-block;
      background-color: var(--background-dark);
      color: var(--text-light);
      padding: 18px 40px;
      border-radius: 5px;
      font-size: 1.3em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color var(--transition-speed);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-3win-apk-download__cta-button:hover {
      background-color: #3f5872; /* Slightly lighter dark background */
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-3win-apk-download__hero-section h1 {
        font-size: 2.8em;
      }
      .page-3win-apk-download__section h2 {
        font-size: 2.2em;
      }
      .page-3win-apk-download__benefits-item {
        flex: 1 1 calc(50% - 20px); /* 2 items per row */
        max-width: calc(50% - 20px);
      }
      .page-3win-apk-download__step-item {
        flex: 1 1 calc(50% - 30px); /* 2 items per row */
        max-width: calc(50% - 30px);
      }
    }

    @media (max-width: 768px) {
      .page-3win-apk-download__hero-section {
        padding: 80px 15px 60px;
      }
      .page-3win-apk-download__hero-section h1 {
        font-size: 2.2em;
      }
      .page-3win-apk-download__hero-section p {
        font-size: 1em;
      }
      .page-3win-apk-download__download-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-3win-apk-download__section {
        padding: 30px 0;
      }
      .page-3win-apk-download__section h2 {
        font-size: 1.8em;
        margin-bottom: 20px;
      }

      /* List item mobile responsiveness */
      .page-3win-apk-download__benefits-list {
        flex-direction: column;
        align-items: center;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-3win-apk-download__benefits-item {
        width: 100% !important;
        max-width: 90% !important; /* Slightly less than 100% to keep some side padding */
        margin: 10px 0 !important;
        box-sizing: border-box !important;
        padding: 20px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-3win-apk-download__steps {
        flex-direction: column;
        align-items: center;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-3win-apk-download__step-item {
        width: 100% !important;
        max-width: 90% !important; /* Slightly less than 100% to keep some side padding */
        margin: 10px 0 !important;
        box-sizing: border-box !important;
        padding: 25px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-3win-apk-download__game-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
      }
      .page-3win-apk-download__game-card img {
        height: 180px;
      }

      .page-3win-apk-download__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }
      .page-3win-apk-download__faq-answer {
        padding: 15px 15px !important;
      }
      .page-3win-apk-download__cta-section h2 {
        font-size: 2em;
      }
      .page-3win-apk-download__cta-section p {
        font-size: 1.1em;
      }
      .page-3win-apk-download__cta-button {
        padding: 15px 30px;
        font-size: 1.1em;
      }

      /* Image responsiveness */
      .page-3win-apk-download__qr-code,
      .page-3win-apk-download__game-card img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-3win-apk-download__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-3win-apk-download__hero-section h1 {
        font-size: 1.8em;
      }
      .page-3win-apk-download__section h2 {
        font-size: 1.6em;
      }
      .page-3win-apk-download__benefits-item,
      .page-3win-apk-download__step-item {
        max-width: 95% !important;
      }
      .page-3win-apk-download__faq-question {
        font-size: 1em;
      }
      .page-3win-apk-download__faq-toggle {
        font-size: 1.5em;
      }
      .page-3win-apk-download__cta-section h2 {
        font-size: 1.8em;
      }
    }