/* ========== Breadcrumb ========== */
.breadcrumb-bar {
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--border);
}

.breadcrumb .current {
  color: var(--primary);
  font-weight: 600;
}

/* ========== Page Hero ========== */
.page-hero {
  background: var(--surface-alt);
  padding: 72px 0 56px;
  text-align: center;
  position: relative;
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.page-hero p {
  font-size: 16px;
  color: var(--text-secondary);
}

/* ========== Contact Info Cards ========== */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.contact-card .card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  transition: all var(--transition);
}

.contact-card:hover .card-icon {
  background: var(--primary);
  color: #fff;
}

.contact-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== Form + Map ========== */
.contact-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.form-wrapper {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-wrapper h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-wrapper>p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-main);
  background: var(--surface);
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  background: var(--primary);
  color: #fff;
  padding: 14px 40px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
}

.btn-submit:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 79, 26, 0.25);
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.map-placeholder {
  height: 100%;
  min-height: 300px;
  background: var(--surface-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
}

.map-placeholder i {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 16px;
}

.map-placeholder h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.map-placeholder p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--surface-alt);
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  user-select: none;
}

.faq-question i {
  color: var(--primary);
  transition: transform 0.3s;
  font-size: 14px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer.open {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 移动端 */
@media (max-width:1200px) { .footer-grid { grid-template-columns:1.5fr 1fr 1fr 1fr 1.5fr; } }
@media (max-width:1024px) { .contact-cards { grid-template-columns:repeat(2,1fr); } .contact-main { grid-template-columns:1fr; } .footer-grid { grid-template-columns:repeat(3,1fr); } }
@media (max-width:768px) {
    .top-bar { display:none; } .hamburger { display:flex; }
    .nav-links, .nav-right .btn { display:none; }
    .contact-cards { grid-template-columns:1fr 1fr; gap:12px; }
    .form-row { grid-template-columns:1fr; }
    .form-wrapper { padding:28px 20px; }
    .page-hero h1 { font-size:26px; }
    .cta-box { padding:48px 28px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:28px; } .footer-brand { grid-column:1 / -1; }
}
@media (max-width:480px) { .contact-cards { grid-template-columns:1fr; } .footer-grid { grid-template-columns:1fr; } }