:root {
  --primary-color: #113B7A;
  --auxiliary-color: #1D5FD1;
  --card-bg-color: #10233F;
  --text-main-color: #F3F8FF;
  --text-secondary-color: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy-color: #08162B;
}

/* Base styles for the contact-us page */
.page-contact-us {
  font-family: 'Arial', sans-serif;
  color: var(--text-main-color); /* #F3F8FF */
  background-color: var(--deep-navy-color); /* #08162B from shared.css */
  line-height: 1.6;
  padding-bottom: 50px; /* Add some padding at the bottom to ensure footer space */
}

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

.page-contact-us__dark-section {
  background-color: var(--deep-navy-color); /* #08162B */
  padding: 60px 0;
}

.page-contact-us__light-bg {
  background-color: var(--card-bg-color); /* #10233F */
  color: var(--text-main-color); /* #F3F8FF */
  border: 1px solid var(--border-color); /* #244D84 */
  border-radius: 10px;
}

.page-contact-us__section-title {
  font-size: clamp(28px, 4vw, 38px); /* Responsive font size */
  color: var(--gold-color); /* #F2C14E */
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  line-height: 1.2;
}

.page-contact-us__text-block {
  font-size: 18px;
  color: var(--text-secondary-color); /* #AFC4E8 */
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px;
}

/* Hero Section */
.page-contact-us__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden; /* Prevent content overflow */
}

.page-contact-us__hero-image {
  width: 100%;
  max-height: 500px; /* Limit height for hero image */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-contact-us__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Cover the area */
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-contact-us__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
}

.page-contact-us__main-title {
  font-size: clamp(36px, 5vw, 48px); /* Using clamp for responsive H1 */
  font-weight: 800;
  color: var(--text-main-color); /* #F3F8FF */
  margin-bottom: 20px;
  line-height: 1.1;
}

.page-contact-us__description {
  font-size: 20px;
  color: var(--text-secondary-color); /* #AFC4E8 */
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-contact-us__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  width: 100%; /* Ensure container fills width */
  max-width: 600px; /* Limit max width for button group */
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.page-contact-us__btn-primary,
.page-contact-us__btn-secondary,
.page-contact-us__card-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%; /* Ensure buttons don't overflow */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
}

.page-contact-us__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: var(--text-main-color); /* #F3F8FF */
  border: none;
  box-shadow: 0 4px 15px rgba(43, 115, 246, 0.4);
}

.page-contact-us__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(43, 115, 246, 0.6);
}

.page-contact-us__btn-secondary {
  background: transparent;
  color: var(--glow-color); /* #4FA8FF */
  border: 2px solid var(--glow-color); /* #4FA8FF */
}

.page-contact-us__btn-secondary:hover {
  background: rgba(79, 168, 255, 0.1);
  transform: translateY(-3px);
}

/* Channels Section */
.page-contact-us__channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-contact-us__channel-card {
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 250px;
}

.page-contact-us__card-title {
  font-size: 24px;
  color: var(--gold-color); /* #F2C14E */
  margin-bottom: 15px;
  font-weight: 600;
}

.page-contact-us__card-description {
  font-size: 16px;
  color: var(--text-secondary-color); /* #AFC4E8 */
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-contact-us__email-address,
.page-contact-us__phone-number {
  font-size: 18px;
  font-weight: 600;
  color: var(--glow-color); /* #4FA8FF */
  margin-bottom: 20px;
}

.page-contact-us__card-button {
  background: var(--primary-color); /* #113B7A */
  color: var(--text-main-color); /* #F3F8FF */
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 16px;
  font-weight: 600;
}

.page-contact-us__card-button:hover {
  background: var(--auxiliary-color); /* #1D5FD1 */
}

.page-contact-us__social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.page-contact-us__social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color); /* #113B7A */
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.page-contact-us__social-icon:hover {
  background-color: var(--auxiliary-color); /* #1D5FD1 */
}

.page-contact-us__social-icon img {
  
  
  object-fit: contain;
}

/* Why Contact Section */
.page-contact-us__advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-contact-us__list-item {
  background-color: var(--card-bg-color); /* #10233F */
  border: 1px solid var(--border-color); /* #244D84 */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
}

.page-contact-us__list-title {
  font-size: 22px;
  color: var(--gold-color); /* #F2C14E */
  margin-bottom: 10px;
  font-weight: 600;
}

.page-contact-us__list-description {
  font-size: 16px;
  color: var(--text-secondary-color); /* #AFC4E8 */
}

/* FAQ Section */
.page-contact-us__faq-list {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 50px;
}

details.page-contact-us__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--border-color); /* #244D84 */
  overflow: hidden;
  background: var(--card-bg-color); /* #10233F */
  color: var(--text-main-color); /* #F3F8FF */
}
details.page-contact-us__faq-item summary.page-contact-us__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-contact-us__faq-item summary.page-contact-us__faq-question::-webkit-details-marker {
  display: none;
}
details.page-contact-us__faq-item summary.page-contact-us__faq-question:hover {
  background: rgba(var(--primary-color), 0.5); /* Slightly lighter hover */
}
.page-contact-us__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color); /* #F3F8FF */
}
.page-contact-us__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color); /* #F2C14E */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-contact-us__faq-item .page-contact-us__faq-answer {
  padding: 0 20px 20px;
  background: rgba(var(--deep-navy-color), 0.5); /* Slightly different background for answer */
  border-radius: 0 0 10px 10px;
  color: var(--text-secondary-color); /* #AFC4E8 */
}
details.page-contact-us__faq-item .page-contact-us__faq-answer p {
  margin-bottom: 0;
  font-size: 16px;
}

/* Team Section */
.page-contact-us__team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-contact-us__team-member {
  padding: 30px;
  text-align: center;
}

.page-contact-us__member-name {
  font-size: 24px;
  color: var(--gold-color); /* #F2C14E */
  margin-bottom: 10px;
  font-weight: 600;
}

.page-contact-us__member-role {
  font-size: 16px;
  color: var(--text-secondary-color); /* #AFC4E8 */
}

/* General image styling for content images */
.page-contact-us__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 50px auto 0;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Brand Overview Section - CTA buttons already styled */

/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact-us__hero-image {
    max-height: 400px;
  }
  .page-contact-us__main-title {
    font-size: clamp(32px, 4.5vw, 44px);
  }
  .page-contact-us__description {
    font-size: 18px;
  }
  .page-contact-us__cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .page-contact-us__btn-primary,
  .page-contact-us__btn-secondary {
    width: 80%;
    max-width: 350px;
  }
  .page-contact-us__channels-grid,
  .page-contact-us__advantages-list,
  .page-contact-us__team-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }
  .page-contact-us__channel-card,
  .page-contact-us__list-item,
  .page-contact-us__team-member {
    padding: 25px;
  }
  .page-contact-us__section-title {
    font-size: clamp(26px, 3.5vw, 34px);
  }
  .page-contact-us__text-block {
    font-size: 17px;
    margin-bottom: 40px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-contact-us__hero-section {
    padding-top: 10px;
    padding-bottom: 60px;
  }
  .page-contact-us__hero-image {
    max-height: 300px;
  }
  .page-contact-us__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    border-radius: 0;
    box-shadow: none;
  }
  .page-contact-us__hero-content {
    padding: 0 15px;
  }
  .page-contact-us__main-title {
    font-size: clamp(28px, 8vw, 36px) !important;
    margin-bottom: 15px;
  }
  .page-contact-us__description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* 通用容器和图片 */
  .page-contact-us__container,
  .page-contact-us__channels-section,
  .page-contact-us__why-contact-section,
  .page-contact-us__faq-section,
  .page-contact-us__team-section,
  .page-contact-us__brand-overview-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact-us img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }

  /* 按钮与按钮容器 */
  .page-contact-us__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-contact-us__btn-primary,
  .page-contact-us__btn-secondary,
  .page-contact-us__card-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 16px;
  }

  /* 产品展示图区域 (general grid styling) */
  .page-contact-us__channels-grid,
  .page-contact-us__advantages-list,
  .page-contact-us__team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-contact-us__channel-card,
  .page-contact-us__list-item,
  .page-contact-us__team-member {
    padding: 20px;
  }
  .page-contact-us__card-title,
  .page-contact-us__list-title,
  .page-contact-us__member-name {
    font-size: 20px;
  }
  .page-contact-us__card-description,
  .page-contact-us__list-description,
  .page-contact-us__member-role {
    font-size: 15px;
  }
  .page-contact-us__section-title {
    font-size: clamp(24px, 7vw, 30px) !important;
    margin-bottom: 30px;
  }
  .page-contact-us__text-block {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* FAQ Section */
  details.page-contact-us__faq-item summary.page-contact-us__faq-question { padding: 15px; }
  .page-contact-us__faq-qtext { font-size: 16px; }
  details.page-contact-us__faq-item .page-contact-us__faq-answer { padding: 0 15px 15px; }

  /* Decorative Main Title + Long Text SEO Area (general text blocks) */
  .page-contact-us__text-block {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }
  .page-contact-us__content-image {
    margin: 30px auto 0;
  }
}