/* style/contact.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */

:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --background-page-color: #F5F7FA;
  --border-color: #E0E0E0;
}

.page-contact {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Default text color for light backgrounds */
  background-color: var(--background-page-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page-contact__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Small top padding, more bottom padding */
  text-align: center;
  overflow: hidden;
  background-color: var(--primary-color); /* Fallback background for hero */
}

.page-contact__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  position: relative;
  z-index: 1;
  max-height: 550px; /* Limit height for aesthetic reasons on desktop */
}

.page-contact__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 30px;
  background-color: rgba(0, 0, 0, 0.65); /* Slightly darker overlay for readability */
  border-radius: 8px;
  margin-top: 30px; /* Positive margin to ensure content is below image */
  color: #ffffff; /* White text on dark overlay */
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.page-contact__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 15px;
  color: #ffffff;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.8);
}

.page-contact__hero-description {
  font-size: 1.15em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-contact__section {
  padding: 60px 20px;
  text-align: center;
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-contact__section-title {
  font-size: 2.2em;
  color: var(--primary-color);
  margin-bottom: 30px;
  font-weight: 700;
}

.page-contact__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  color: var(--text-main-color);
  text-align: left;
}

/* Color Contrast Adjustments */
.page-contact__dark-bg {
  background-color: var(--primary-color);
  color: #ffffff; /* White text on dark background */
}

.page-contact__dark-bg .page-contact__section-title,
.page-contact__dark-bg .page-contact__text-block {
  color: #ffffff;
}

.page-contact__light-bg {
  background-color: var(--background-page-color);
  color: var(--text-main-color);
}

.page-contact__btn-primary,
.page-contact__btn-secondary,
.page-contact__social-link {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  margin: 10px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  cursor: pointer;
}

.page-contact__btn-primary {
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  color: #ffffff;
  border: none;
}

.page-contact__btn-primary:hover {
  background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.page-contact__btn-secondary {
  background-color: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-contact__btn-secondary:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

/* Contact Channels Grid */
.page-contact__channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__card {
  background-color: var(--card-bg-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  color: var(--text-main-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px; /* Ensure cards have consistent height */
}

.page-contact__card-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-contact__card-description {
  font-size: 1em;
  margin-bottom: 25px;
  flex-grow: 1;
}

/* FAQ Section */
.page-contact__faq-list {
  margin-top: 40px;
  text-align: left;
}

.page-contact__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-contact__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  color: var(--text-main-color);
  background-color: #f9f9f9;
  position: relative;
  user-select: none;
}

.page-contact__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact__faq-qtext {
  flex-grow: 1;
  margin-right: 10px;
}

.page-contact__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  width: 20px;
  text-align: center;
  transition: transform 0.3s ease;
}

.page-contact__faq-item[open] .page-contact__faq-toggle {
  transform: rotate(45deg);
}

.page-contact__faq-answer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-main-color);
  font-size: 0.95em;
}

.page-contact__faq-answer p {
  margin-bottom: 0;
}

/* Commitment Section */
.page-contact__commitment-image {
  width: 800px;
  height: 600px;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 40px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Social Section */
.page-contact__social-links {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.page-contact__social-link {
  font-size: 1.1em;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  background-color: var(--card-bg-color);
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
}

.page-contact__social-link:hover {
  background-color: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.page-contact__social-image {
  width: 1000px;
  height: 563px;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 40px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Contact Form */
.page-contact__contact-form-section {
  padding-bottom: 60px;
}

.page-contact__contact-form {
  max-width: 600px;
  margin: 40px auto 0;
  padding: 30px;
  background-color: var(--card-bg-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: left;
}

.page-contact__form-group {
  margin-bottom: 20px;
}

.page-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-main-color);
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 1em;
  box-sizing: border-box;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb-val), 0.2);
  outline: none;
}

.page-contact__form-textarea {
  resize: vertical;
}

.page-contact__contact-form .page-contact__btn-primary {
  width: 100%; /* Make it full width in form */
  padding: 12px 30px;
  margin-top: 10px;
  display: block; 
  margin-left: auto;
  margin-right: auto;
}

/* Final CTA */
.page-contact__cta-final {
  padding-bottom: 80px;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .page-contact {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-contact__hero-content {
    margin-top: 20px; /* Adjust for smaller screens to ensure it's below the image */
    padding: 20px;
  }

  .page-contact__main-title {
    font-size: 1.8em;
  }

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

  .page-contact__section-title {
    font-size: 1.8em;
  }

  .page-contact__text-block {
    font-size: 0.95em;
  }

  .page-contact__channel-grid {
    grid-template-columns: 1fr;
  }

  .page-contact__card {
    padding: 25px;
    min-height: auto;
  }

  .page-contact__faq-item summary {
    padding: 15px;
  }

  .page-contact__faq-answer {
    padding: 15px;
  }

  .page-contact__commitment-image,
  .page-contact__social-image {
    width: 100% !important;
    height: auto !important;
  }

  .page-contact__btn-primary,
  .page-contact__btn-secondary,
  .page-contact__social-link,
  .page-contact a[class*="button"],
  .page-contact a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin: 5px 0 !important; /* Adjust margin for stacking */
  }

  .page-contact__cta-buttons,
  .page-contact__button-group,
  .page-contact__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px; /* Space between stacked buttons */
  }

  /* Ensure all images are responsive */
  .page-contact img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-contact__section,
  .page-contact__card,
  .page-contact__container,
  .page-contact__contact-form {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-contact__hero-section {
    padding-left: 0;
    padding-right: 0;
  }

  .page-contact__hero-image {
    width: 100%;
    min-height: 250px; /* Ensure hero image is not too small on mobile */
  }
}