/* CSS Reset và Body基础样式 */
.page-mv66download {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: #f8f9fa; /* Light background for the page */
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.page-mv66download__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-mv66download__hero-section {
    position: relative;
    width: 100%;
    background-color: #1a202c; /* Dark background for hero */
    color: #ffffff;
    text-align: center;
    padding-bottom: 40px; /* Space for content below image */
    padding-top: 10px; /* Small padding top, relying on body for header offset */
    box-sizing: border-box;
}

.page-mv66download__hero-image-wrapper {
    width: 100%;
    max-height: 500px; /* Limit height for aesthetic */
    overflow: hidden;
    margin-bottom: 20px; /* Space between image and text */
}

.page-mv66download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: center top; /* Ensure image content is visible */
    border-radius: 8px;
}

.page-mv66download__hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-mv66download__hero-title {
    font-size: 2.8em;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.2;
    color: #ffffff;
}

.page-mv66download__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #cbd5e0;
}

/* Buttons */
.page-mv66download__btn-primary {
    display: inline-block;
    background-color: #2563eb;
    color: #ffffff;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-mv66download__btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}

.page-mv66download__btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-mv66download__btn-secondary:hover {
    background-color: #2563eb;
    color: #ffffff;
    transform: translateY(-2px);
}

.page-mv66download__button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Section Styling */
.page-mv66download__section {
    padding: 60px 20px;
    text-align: center;
    background-color: #ffffff;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.page-mv66download__section--alt {
    background-color: #f0f4f8;
}

.page-mv66download__section-title {
    font-size: 2.2em;
    font-weight: 700;
    margin-bottom: 25px;
    color: #2563eb;
}

.page-mv66download__section-description {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #4a5568;
}

/* Feature Grid */
.page-mv66download__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.page-mv66download__feature-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: left;
    transition: transform 0.3s ease;
    box-sizing: border-box;
}

.page-mv66download__feature-item:hover {
    transform: translateY(-5px);
}

.page-mv66download__feature-icon--large {
    width: 200px; /* Enforcing minimum size for content images */
    height: auto;
    margin-bottom: 15px;
    display: block;
    object-fit: contain;
}

.page-mv66download__feature-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2d3748;
}

.page-mv66download__feature-text {
    font-size: 1em;
    color: #4a5568;
}

/* App Download Steps */
.page-mv66download__steps-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.page-mv66download__step-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-sizing: border-box;
}

.page-mv66download__step-number {
    font-size: 2.5em;
    font-weight: 800;
    color: #2563eb;
    flex-shrink: 0;
    line-height: 1;
}

.page-mv66download__step-content h3 {
    font-size: 1.5em;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 10px;
    color: #2d3748;
}

.page-mv66download__step-content p {
    font-size: 1em;
    color: #4a5568;
    margin-bottom: 0;
}

.page-mv66download__app-screenshot {
    max-width: 300px;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Game Showcase */
.page-mv66download__game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-mv66download__game-card {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
    box-sizing: border-box;
}

.page-mv66download__game-card:hover {
    transform: translateY(-5px);
}

.page-mv66download__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-mv66download__game-info {
    padding: 20px;
}

.page-mv66download__game-title {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2d3748;
}

.page-mv66download__game-description {
    font-size: 0.95em;
    color: #4a5568;
    margin-bottom: 15px;
}

/* Promotions */
.page-mv66download__promotion-card {
    background-color: #2563eb;
    color: #ffffff;
    padding: 40px;
    border-radius: 10px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
    box-sizing: border-box;
}

.page-mv66download__promotion-title {
    font-size: 2.5em;
    font-weight: 800;
    margin-bottom: 15px;
}

.page-mv66download__promotion-text {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #e0e7ff;
}

/* Security */
.page-mv66download__security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.page-mv66download__security-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    text-align: left;
    box-sizing: border-box;
}

.page-mv66download__security-item h3 {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2d3748;
}

.page-mv66download__security-item p {
    font-size: 1em;
    color: #4a5568;
}

/* FAQ Section */
details.page-mv66download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
  box-sizing: border-box;
}
details.page-mv66download__faq-item summary.page-mv66download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-mv66download__faq-item summary.page-mv66download__faq-question::-webkit-details-marker {
  display: none;
}
details.page-mv66download__faq-item summary.page-mv66download__faq-question:hover {
  background: #f5f5f5;
}
.page-mv66download__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #2d3748;
}
.page-mv66download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-mv66download__faq-item .page-mv66download__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: #4a5568;
}

/* Floating Login Button */
.page-mv66download__floating-promo {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background-color: #ef4444; /* Eye-catching color */
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-size: 0.95em;
    max-width: calc(100% - 40px); /* Adjust for padding */
    box-sizing: border-box;
    white-space: nowrap; /* Prevent text wrapping initially */
    overflow: hidden;
}

.page-mv66download__floating-promo:hover {
    background-color: #dc2626;
    transform: translateY(-3px);
}

.page-mv66download__floating-promo-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Responsive Design for Mobile */
@media (max-width: 768px) {
    .page-mv66download__container {
        padding: 10px;
    }

    .page-mv66download__hero-section {
        padding-top: 10px; /* Ensure small top padding */
        padding-bottom: 30px;
    }

    .page-mv66download__hero-title {
        font-size: 2em;
    }

    .page-mv66download__hero-description {
        font-size: 1em;
    }

    .page-mv66download__button-group {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px; /* Add padding to prevent overflow */
    }
}