/* ===== 页面专属样式：.page-contact ===== */
.page-contact {
  --contact-gap: var(--space-6);
  --contact-panel-padding: var(--space-6);
  --contact-icon-size: 28px;
  --contact-border-color: var(--color-border);
  --contact-input-border: rgba(44, 30, 22, 0.2);
  --contact-input-focus: var(--color-primary);
  --contact-bg-decoration-opacity: 0.06;
}

/* 标题区 */
.page-contact .contact-hero {
  padding: var(--space-8) 0 var(--space-6);
  border-bottom: 1px solid var(--contact-border-color);
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}

.page-contact .breadcrumb-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.page-contact .breadcrumb-sep {
  color: var(--color-text-muted);
  font-weight: 300;
}

.page-contact .breadcrumb-current {
  color: var(--color-text-light);
  font-weight: 500;
}

.page-contact .contact-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.1;
  color: var(--color-text-light);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.02em;
}

.page-contact .contact-subtitle {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 36em;
}

/* 主要内容区 */
.page-contact .contact-main {
  padding: var(--space-8) 0 var(--space-12);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: start;
}

/* 面板卡片通用 */
.page-contact .contact-info-panel,
.page-contact .contact-form-panel {
  background: var(--color-surface);
  color: var(--color-text-dark);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--contact-panel-padding);
  position: relative;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition: box-shadow var(--transition-base);
}

.page-contact .contact-info-panel:hover,
.page-contact .contact-form-panel:hover {
  box-shadow: 0 4px 24px var(--color-shadow);
}

/* 面板标题 */
.page-contact .contact-panel-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text-dark);
  margin: 0 0 var(--space-4);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-1);
  display: inline-block;
}

/* ---- 左栏：联系方式 ---- */
.page-contact .contact-icon-top {
  margin-bottom: var(--space-3);
  text-align: center;
}

.page-contact .contact-top-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.page-contact .contact-top-img:hover {
  opacity: 1;
}

.page-contact .contact-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(44, 30, 22, 0.06);
}

.page-contact .contact-item:last-of-type {
  border-bottom: none;
}

.page-contact .contact-icon {
  flex-shrink: 0;
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.page-contact .contact-icon svg {
  width: 100%;
  height: 100%;
}

.page-contact .contact-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-contact .contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.page-contact .contact-value {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text-dark);
  word-break: break-all;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-contact a.contact-value:hover,
.page-contact a.contact-value:focus-visible {
  color: var(--color-primary);
  outline: none;
}

.page-contact .contact-note {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.page-contact .contact-divider {
  height: 1px;
  background: rgba(44, 30, 22, 0.08);
  margin: var(--space-3) 0;
}

.page-contact .contact-internal-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-1);
}

.page-contact .btn-link {
  background: transparent;
  border: 1px solid rgba(44, 30, 22, 0.15);
  color: var(--color-text-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-contact .btn-link:hover,
.page-contact .btn-link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  outline: none;
}

/* ---- 右栏：联系表单 ---- */
.page-contact .contact-form-panel {
  position: relative;
  overflow: hidden;
}

.page-contact .form-bg-decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: var(--contact-bg-decoration-opacity);
}

.page-contact .form-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top right;
}

.page-contact .contact-form-panel > *:not(.form-bg-decoration) {
  position: relative;
  z-index: 1;
}

.page-contact .contact-form-desc {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
  font-weight: 300;
}

.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-contact .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-contact .form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dark);
}

.page-contact .form-input {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  background: var(--color-surface-alt);
  border: 1px solid var(--contact-input-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-2);
  width: 100%;
  box-sizing: border-box;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.page-contact .form-input::placeholder {
  color: var(--color-text-muted);
  font-weight: 300;
  opacity: 0.7;
}

.page-contact .form-input:focus {
  border-color: var(--contact-input-focus);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.15);
}

.page-contact .form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.page-contact .form-submit {
  align-self: flex-start;
  background: var(--color-text-dark);
  color: var(--color-surface);
  border: 1px solid var(--color-text-dark);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.9rem;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-contact .form-submit:hover,
.page-contact .form-submit:focus-visible {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  outline: none;
}

.page-contact .form-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin-top: calc(-1 * var(--space-2));
}

/* ---- 响应式：桌面端 ---- */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: var(--space-10) 0 var(--space-8);
  }

  .page-contact .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .page-contact .contact-info-panel,
  .page-contact .contact-form-panel {
    padding: var(--space-8);
  }

  .page-contact .contact-icon-top {
    text-align: left;
  }

  .page-contact .contact-top-img {
    margin: 0;
  }

  .page-contact .contact-item {
    padding: var(--space-4) 0;
  }

  .page-contact .contact-value {
    font-size: 1.05rem;
  }

  .page-contact .form-bg-decoration {
    width: 50%;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-grid {
    gap: var(--space-10);
  }

  .page-contact .contact-info-panel,
  .page-contact .contact-form-panel {
    padding: var(--space-10);
  }
}

/* 小屏微调 */
@media (max-width: 480px) {
  .page-contact .contact-hero {
    padding: var(--space-4) 0 var(--space-4);
  }

  .page-contact .contact-info-panel,
  .page-contact .contact-form-panel {
    padding: var(--space-4);
  }

  .page-contact .contact-item {
    padding: var(--space-2) 0;
    gap: var(--space-2);
  }

  .page-contact .contact-icon {
    width: 22px;
    height: 22px;
  }

  .page-contact .form-submit {
    width: 100%;
    text-align: center;
  }
}

/* 确保图片响应式 */
.page-contact img {
  max-width: 100%;
  height: auto;
}

/* 焦点可见环 */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible,
.page-contact textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}