/* ===== 联系通道页面专属样式 ===== */
.page-contact {
  --contact-card-bg: #F5F2EB;
  --contact-card-heading: #0E1117;
  --contact-card-muted: #6C6F78;
  --contact-card-line: rgba(14, 17, 23, 0.12);
  --contact-form-bg: #141925;
  --contact-grid-line: rgba(255, 255, 255, 0.06);
  --contact-input-border: rgba(255, 255, 255, 0.14);
  --contact-input-bg: rgba(255, 255, 255, 0.06);
}

/* 面包屑 */
.page-contact__crumb-wrap {
  padding-top: 24px;
}

/* 页首 */
.page-contact__hero {
  padding: 20px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-contact__hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 52ch;
  margin: 0;
}

.page-contact__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* 左右分屏容器 */
.page-contact__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding-bottom: 56px;
}

/* 左侧联系方式卡片 */
.page-contact__info-card {
  background: var(--contact-card-bg);
  border-radius: 18px;
  padding: 28px 22px;
  color: var(--contact-card-heading);
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.38);
}

.page-contact__info-card .section-label {
  color: var(--accent-blue);
}

.page-contact__info-heading {
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.25;
  margin: -6px 0 2px;
  color: var(--contact-card-heading);
}

.page-contact__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--contact-card-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-contact__contact-item:hover {
  border-color: rgba(255, 122, 26, 0.7);
  box-shadow: 0 6px 18px rgba(255, 122, 26, 0.14);
  transform: translateY(-2px);
}

.page-contact__contact-icon-wrap {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(30, 111, 235, 0.08);
}

.page-contact__contact-icon {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.page-contact__contact-body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact__contact-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--contact-card-muted);
  margin: 0 0 4px;
}

.page-contact__contact-value {
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 600;
  color: var(--contact-card-heading);
  margin: 0 0 4px;
  word-break: break-all;
  line-height: 1.4;
}

.page-contact__contact-value a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-contact__contact-value a:hover {
  color: var(--accent-blue);
  text-decoration: underline;
}

.page-contact__contact-meta {
  font-size: 13px;
  color: var(--contact-card-muted);
  margin: 0;
  line-height: 1.5;
}

/* 右侧表单面板 */
.page-contact__form-panel {
  position: relative;
  border-radius: 18px;
  background: var(--contact-form-bg);
  border: 1px solid var(--contact-input-border);
  overflow: hidden;
  padding: 28px 22px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.page-contact__map-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.85;
}

.page-contact__form-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact__form-heading {
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0;
}

.page-contact__form-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 6px;
}

.page-contact__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact__field-label {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.page-contact__input,
.page-contact__textarea {
  width: 100%;
  background: var(--contact-input-bg);
  border: 1px solid var(--contact-input-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.page-contact__input::placeholder,
.page-contact__textarea::placeholder {
  color: #8a8f9a;
}

.page-contact__input:focus,
.page-contact__textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(30, 111, 235, 0.28), 0 0 20px rgba(30, 111, 235, 0.18);
}

.page-contact__textarea {
  resize: vertical;
  min-height: 108px;
}

.page-contact__submit {
  width: 100%;
  margin-top: 2px;
}

.page-contact__form-privacy {
  font-size: 13px;
  color: var(--text-muted);
  margin: -4px 0 0;
  line-height: 1.5;
}

.page-contact__form-success {
  display: none;
  flex-direction: column;
  gap: 2px;
  border: 1px solid rgba(0, 212, 255, 0.5);
  background: rgba(0, 212, 255, 0.08);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.page-contact__form-success:target {
  display: flex;
}

.page-contact__form-success strong {
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 15px;
}

.page-contact__form-success span {
  color: var(--text-secondary);
  font-size: 14px;
}

/* FAQ 引导 */
.page-contact__faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 40px 0 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-contact__faq-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-contact__faq-inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0;
}

.page-contact__faq-inner p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact__faq-inner p a {
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 212, 255, 0.4);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-contact__faq-inner p a:hover {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.page-contact__faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact__faq-list li {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.page-contact__faq-list li:hover {
  border-color: var(--accent-orange);
  background: rgba(255, 122, 26, 0.06);
  transform: translateX(4px);
}

.page-contact__faq-list a {
  display: block;
  padding: 14px 16px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}

/* 桌面端断点 */
@media (min-width: 900px) {
  .page-contact__hero {
    padding: 32px 0 48px;
  }

  .page-contact__split {
    grid-template-columns: 5fr 7fr;
    gap: 28px;
    align-items: stretch;
    padding-bottom: 72px;
  }

  .page-contact__info-card {
    padding: 36px 30px;
    gap: 20px;
  }

  .page-contact__form-panel {
    padding: 36px 30px;
  }

  .page-contact__faq {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 56px 0 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__contact-item:hover,
  .page-contact__faq-list li:hover {
    transform: none;
    transition: none;
  }
}