/* Tổng quan */
    :root {
      --primary-color: #FFD700; /* Vàng kim */
      --secondary-color: #000000; /* Đen */
      --accent-color: #FF4500; /* Cam đỏ */
      --text-light: #FFFFFF;
      --text-dark: #333333;
      --bg-dark: #1a1a1a;
      --bg-medium: #2a2a2a;
      --bg-light: #3a3a3a;
    }

    .page-tai-app-33win {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--text-light);
      background-color: var(--bg-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Để lại không gian cho nút nổi */
      min-height: 100vh;
      box-sizing: border-box;
      padding-top: 10px; /* Nhỏ hơn để body padding-top xử lý chính */
    }

    .page-tai-app-33win__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-tai-app-33win__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 10px;
      background-color: var(--bg-medium);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-tai-app-33win__section--hero {
        padding: 60px 20px;
        background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 100%);
        text-align: center;
        margin-bottom: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .page-tai-app-33win__section-title {
      font-size: 2.5em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 30px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      line-height: 1.2;
    }

    .page-tai-app-33win__section-title span {
        color: var(--accent-color);
    }

    .page-tai-app-33win__text-center {
      text-align: center;
    }

    .page-tai-app-33win__button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--secondary-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-tai-app-33win__button:hover {
      background-color: #FFC107;
      transform: translateY(-2px);
    }

    .page-tai-app-33win__button--accent {
        background-color: var(--accent-color);
        color: var(--text-light);
    }

    .page-tai-app-33win__button--accent:hover {
        background-color: #E63900;
    }

    /* Hero Section */
    .page-tai-app-33win__hero-content {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-tai-app-33win__hero-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      color: var(--primary-color);
      line-height: 1.2;
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    }

    .page-tai-app-33win__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--text-light);
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-tai-app-33win__hero-image {
        width: 100%;
        max-width: 600px;
        height: auto;
        margin-top: 40px;
        border-radius: 15px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        display: block;
        margin-left: auto;
        margin-right: auto;
        object-fit: cover;
    }

    /* Download Platform Section */
    .page-tai-app-33win__download-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-tai-app-33win__download-card {
      background-color: var(--bg-light);
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-tai-app-33win__download-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.4);
    }

    .page-tai-app-33win__card-image {
      width: 250px; /* Placeholder is 250x250, so this is fine */
      height: 250px;
      object-fit: contain;
      margin-bottom: 20px;
      border-radius: 10px;
    }

    .page-tai-app-33win__card-title {
      font-size: 1.8em;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .page-tai-app-33win__card-description {
      font-size: 1em;
      color: var(--text-light);
      margin-bottom: 25px;
    }

    /* Steps Section */
    .page-tai-app-33win__steps-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 25px;
    }

    .page-tai-app-33win__step-item {
      background-color: var(--bg-light);
      padding: 25px;
      border-radius: 10px;
      display: flex;
      align-items: flex-start;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    }

    .page-tai-app-33win__step-number {
      background-color: var(--primary-color);
      color: var(--secondary-color);
      width: 40px;
      height: 40px;
      min-width: 40px; /* Ensure it doesn't shrink */
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.5em;
      font-weight: bold;
      margin-right: 20px;
    }

    .page-tai-app-33win__step-content h3 {
      margin-top: 0;
      color: var(--primary-color);
      font-size: 1.4em;
    }

    .page-tai-app-33win__step-content p {
      color: var(--text-light);
      font-size: 1em;
    }

    /* Game Showcase Section */
    .page-tai-app-33win__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-tai-app-33win__game-card {
      background-color: var(--bg-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-tai-app-33win__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.4);
    }

    .page-tai-app-33win__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-tai-app-33win__game-name {
      font-size: 1.3em;
      color: var(--primary-color);
      padding: 15px;
      margin: 0;
    }

    /* CTA Section */
    .page-tai-app-33win__cta-section {
        text-align: center;
        background-color: var(--accent-color);
        padding: 50px 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .page-tai-app-33win__cta-title {
        color: var(--text-light);
        font-size: 2.2em;
        margin-bottom: 20px;
    }

    .page-tai-app-33win__cta-text {
        color: var(--text-light);
        font-size: 1.1em;
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Floating Buttons */
    .page-tai-app-33win__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-tai-app-33win__floating-button {
      background-color: var(--primary-color);
      color: var(--secondary-color);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-tai-app-33win__floating-button:hover {
      background-color: #FFC107;
      transform: translateY(-2px);
    }

    .page-tai-app-33win__floating-button--login {
        background-color: var(--accent-color);
        color: var(--text-light);
    }

    .page-tai-app-33win__floating-button--login:hover {
        background-color: #E63900;
    }

    /* FAQ Section */
    .page-tai-app-33win__faq-section {
        margin-top: 40px;
        padding-bottom: 60px; /* More space for fixed buttons */
    }

    .page-tai-app-33win__faq-item {
      background-color: var(--bg-light);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-tai-app-33win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      background-color: var(--bg-medium);
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      transition: background-color 0.3s ease;
    }

    .page-tai-app-33win__faq-question:hover {
      background-color: #3f3f3f;
    }

    .page-tai-app-33win__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--primary-color);
      pointer-events: none; /* Prevent text selection interfering with click */
    }

    .page-tai-app-33win__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent icon interfering with click */
    }

    .page-tai-app-33win__faq-item.active .page-tai-app-33win__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-tai-app-33win__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;
      color: var(--text-light);
      font-size: 0.95em;
    }

    .page-tai-app-33win__faq-item.active .page-tai-app-33win__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-tai-app-33win__container {
        padding: 10px;
      }

      .page-tai-app-33win__section {
        padding: 25px 15px;
      }

      .page-tai-app-33win__section--hero {
          padding: 40px 15px;
      }

      .page-tai-app-33win__hero-title {
        font-size: 2.2em;
      }

      .page-tai-app-33win__hero-description {
        font-size: 1em;
      }

      .page-tai-app-33win__section-title {
        font-size: 2em;
        margin-bottom: 20px;
      }

      .page-tai-app-33win__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-tai-app-33win__download-grid,
      .page-tai-app-33win__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-tai-app-33win__download-card,
      .page-tai-app-33win__game-card {
        padding: 20px;
      }

      .page-tai-app-33win__card-image {
          width: 200px; /* Minimum 200px for display */
          height: 200px;
          margin-bottom: 15px;
      }

      .page-tai-app-33win__card-title {
          font-size: 1.5em;
      }

      .page-tai-app-33win__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
      }

      .page-tai-app-33win__step-number {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-tai-app-33win__step-content h3 {
        font-size: 1.2em;
      }

      .page-tai-app-33win__step-content p {
        font-size: 0.9em;
      }

      /* Image responsive optimization */
      .page-tai-app-33win img {
          max-width: 100% !important;
          height: auto !important;
          box-sizing: border-box !important;
      }

      .page-tai-app-33win__hero-image {
          max-width: 100% !important;
          height: auto !important;
      }

      /* List item mobile responsiveness */
      .page-tai-app-33win__steps-list,
      .page-tai-app-33win__download-grid,
      .page-tai-app-33win__game-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-tai-app-33win__download-card,
      .page-tai-app-33win__game-card,
      .page-tai-app-33win__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !important; /* Adjust padding for smaller screens */
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-tai-app-33win__faq-question {
        padding: 15px;
      }

      .page-tai-app-33win__faq-question h3 {
        font-size: 1.1em;
      }

      .page-tai-app-33win__faq-answer {
        padding: 15px !important;
        font-size: 0.9em;
      }

      .page-tai-app-33win__cta-title {
          font-size: 1.8em;
      }

      .page-tai-app-33win__cta-text {
          font-size: 0.95em;
      }

      .page-tai-app-33win__floating-buttons {
          gap: 10px;
          bottom: 15px;
      }

      .page-tai-app-33win__floating-button {
          padding: 10px 20px;
          font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
        .page-tai-app-33win__hero-title {
            font-size: 1.8em;
        }
        .page-tai-app-33win__section-title {
            font-size: 1.8em;
        }
        .page-tai-app-33win__cta-title {
            font-size: 1.5em;
        }
    }