/* style/contact.css */

:root {
  --primary-color: #0A2463;
  --secondary-color: #FFD700;
  --text-dark: #333333;
  --text-light: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
}

.page-contact {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.page-contact__hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #06173a 100%);
  color: var(--text-light);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  /* 🚨 桌面端必须添加padding-top，确保内容不被固定导航栏遮挡 */
  padding-top: 120px;
}

.page-contact__main-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  color: var(--secondary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-contact__description {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px;
  color: #e0e0e0;
}

.page-contact__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-contact__cta-button {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--shadow-medium);
  text-align: center;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__cta-button--primary {
  background: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--secondary-color);
}

.page-contact__cta-button--primary:hover {
  background: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.page-contact__cta-button--secondary {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--text-light);
}

.page-contact__cta-button--secondary:hover {
  background: var(--text-light);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Info Section */
.page-contact__info-section,
.page-contact__form-section,
.page-contact__social-section,
.page-contact__faq-section {
  padding: 80px 0;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
}

.page-contact__info-section {
  background-color: var(--bg-light);
}

.page-contact__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-contact__section-intro {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px;
  color: var(--text-dark);
}

.page-contact__contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-contact__method-card {
  background: var(--bg-white);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px var(--shadow-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-contact__method-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-contact__method-icon {
  width: 120px; /* Increased size for illustrative graphic, not small icon */
  height: 120px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-contact__method-title {
  font-size: 1.8em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-contact__method-text {
  font-size: 1em;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.page-contact__method-link {
  display: inline-block;
  background: var(--primary-color);
  color: var(--text-light);
  padding: 10px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__method-link:hover {
  background: #06173a;
}

/* Form Section */
.page-contact__form {
  max-width: 700px;
  margin: 40px auto 0;
  background: var(--bg-white);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px var(--shadow-light);
  border: 1px solid var(--border-color);
}

.page-contact__form-group {
  margin-bottom: 25px;
}

.page-contact__form-label {
  display: block;
  font-size: 1.1em;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-contact__form-input,
.page-contact__form-textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-size: 1em;
  color: var(--text-dark);
  background-color: #fcfcfc;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
}

.page-contact__form-input:focus,
.page-contact__form-textarea:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
  outline: none;
}

.page-contact__form-textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact__submit-button {
  display: block;
  width: 100%;
  padding: 15px 30px;
  background: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px var(--shadow-medium);
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-contact__submit-button:hover {
  background: #06173a;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Social Section */
.page-contact__social-section {
  background-color: var(--bg-white);
}

.page-contact__social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 40px;
}

.page-contact__social-icon-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1em;
  transition: color 0.3s ease, transform 0.3s ease;
}

.page-contact__social-icon-link:hover {
  color: var(--secondary-color);
  transform: translateY(-5px);
}

.page-contact__social-icon {
  width: 80px; /* Increased size for illustrative graphic, not small icon */
  height: 80px;
  margin-bottom: 10px;
  object-fit: contain;
}

/* FAQ Section */
.page-contact__faq-section {
  background-color: var(--bg-light);
}

.page-contact__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

/* FAQ容器样式 */
.page-contact__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow-light);
}

/* FAQ默认状态 - 答案隐藏 */
.page-contact__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-contact__faq-item.active .page-contact__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 25px !important;
  opacity: 1;
  background: var(--bg-white);
  border-radius: 0 0 5px 5px;
}

/* 问题样式 */
.page-contact__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-contact__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-contact__faq-question:active {
  background: #eeeeee;
}

/* 问题标题样式 */
.page-contact__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  color: var(--primary-color);
  pointer-events: none; /* 防止h3标签阻止点击事件 */
}

/* 切换图标 */
.page-contact__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #666;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* 防止图标阻止点击事件 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-contact__faq-item.active .page-contact__faq-toggle {
  color: var(--secondary-color);
  transform: rotate(45deg); /* Optional: Rotate for 'x' effect */
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-contact__main-title {
    font-size: 2.8em;
  }

  .page-contact__section-title {
    font-size: 2.2em;
  }
}

@media (max-width: 768px) {
  .page-contact__hero-section {
    padding-top: 100px; /* 🚨 Mobile: Adjust padding-top for fixed header */
    padding-bottom: 60px;
  }

  .page-contact__main-title {
    font-size: 2.2em;
  }

  .page-contact__description,
  .page-contact__section-intro,
  .page-contact__method-text,
  .page-contact__form-label,
  .page-contact__form-input,
  .page-contact__form-textarea,
  .page-contact__submit-button,
  .page-contact__faq-question h3,
  .page-contact__faq-answer p {
    font-size: 1em;
  }

  .page-contact__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  
  .page-contact__cta-button {
    width: 100% !important;
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-contact__contact-methods {
    grid-template-columns: 1fr;
    padding: 0 15px;
  }

  .page-contact__method-card,
  .page-contact__form,
  .page-contact__faq-list {
    padding: 0 15px;
  }
  
  .page-contact__method-icon {
    width: 100px;
    height: 100px;
  }

  .page-contact__form {
    padding: 30px 20px;
  }

  .page-contact__submit-button {
    padding: 12px 20px;
    font-size: 1.1em;
  }

  .page-contact__social-links {
    gap: 20px;
    padding: 0 15px;
  }
  
  .page-contact__social-icon {
    width: 60px;
    height: 60px;
  }

  /* FAQ Mobile Adjustments */
  .page-contact__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-contact__faq-question h3 {
    font-size: 1em;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-contact__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-contact__faq-answer {
    padding: 0 15px;
  }
  
  .page-contact__faq-item.active .page-contact__faq-answer {
    padding: 15px !important;
  }

  /* 🚨 Mobile: All images must be responsive */
  .page-contact img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-contact__container,
  .page-contact__hero-section,
  .page-contact__info-section,
  .page-contact__form-section,
  .page-contact__social-section,
  .page-contact__faq-section,
  .page-contact__method-card,
  .page-contact__form,
  .page-contact__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-contact__main-title {
    font-size: 1.8em;
  }

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

  .page-contact__cta-button {
    padding: 10px 20px;
    font-size: 0.9em;
  }

  .page-contact__method-title {
    font-size: 1.5em;
  }

  .page-contact__social-icon-link {
    font-size: 1em;
  }
}