/* ===== 联系方式页专属样式 ===== */
.page-contact {
  --contact-gap: 2.5rem;
  --card-padding: 1.75rem;
  --radius-card: 12px;
  --border-card: 1px solid var(--color-border, #e0e0e0);
  --shadow-card: 0 4px 20px var(--color-shadow, rgba(0,0,0,0.06));
  --transition-card: box-shadow 0.25s ease, transform 0.25s ease;
  --form-max-width: 540px;
  --grid-break: 900px;
  --color-accent-deep: #9B1B1B;
  --color-glow: rgba(212, 175, 55, 0.12);
  --color-bg-warm: #F5F0EA;
}

/* 移动端优先 — 单栏紧凑布局 */
.page-contact .contact-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  max-width: 1200px;
  margin: 0 auto 1rem;
  padding: 0 1.25rem;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  color: var(--color-text-secondary, #555);
}

.page-contact .contact-breadcrumb a {
  color: var(--color-accent, #B22222);
  text-decoration: none;
  transition: opacity 0.2s;
}

.page-contact .contact-breadcrumb a:hover {
  opacity: 0.75;
}

.page-contact .breadcrumb-sep {
  color: var(--color-border, #e0e0e0);
  user-select: none;
}

/* 首屏框景区 */
.page-contact .contact-hero {
  max-width: 1200px;
  margin: 0 auto 2rem;
  padding: 2rem 1.25rem 1.5rem;
  border-bottom: 3px solid var(--color-accent, #B22222);
  position: relative;
}

.page-contact .contact-hero .section-number {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 3rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-accent, #B22222);
  opacity: 0.25;
  display: block;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 2.4rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text, #1A1A1A);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.page-contact .hero-subtitle {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1.05rem;
  color: var(--color-text-secondary, #555);
  max-width: 640px;
  line-height: 1.7;
  margin: 0;
}

/* 网格容器：移动端单栏 */
.page-contact .contact-grid {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

/* 联系信息区 */
.page-contact .contact-info-section {
  position: relative;
}

.page-contact .contact-info-section .section-number,
.page-contact .contact-form-section .section-number {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 1.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-gold, #D4AF37);
  display: block;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.page-contact .contact-info-section h2,
.page-contact .contact-form-section h2 {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 1.6rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text, #1A1A1A);
  margin: 0 0 0.5rem;
}

.page-contact .info-intro,
.page-contact .form-intro {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--color-text-secondary, #555);
  margin: 0 0 1.5rem;
  max-width: 480px;
}

/* 信息卡片组 */
.page-contact .info-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-contact .info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-bg-warm);
  border: var(--border-card);
  border-left: 4px solid var(--color-gold, #D4AF37);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
  box-shadow: var(--shadow-card);
  transition: var(--transition-card);
}

.page-contact .info-card:hover {
  box-shadow: 0 8px 28px var(--color-shadow, rgba(0,0,0,0.1));
  transform: translateY(-2px);
}

.page-contact .info-icon {
  flex-shrink: 0;
  color: var(--color-accent, #B22222);
  margin-top: 2px;
}

.page-contact .info-card-content {
  flex: 1;
  min-width: 0;
}

.page-contact .info-label {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary, #555);
  margin: 0 0 0.2rem;
}

.page-contact .info-value {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1.05rem;
  color: var(--color-text, #1A1A1A);
  word-break: break-word;
}

.page-contact .info-value a {
  color: var(--color-accent, #B22222);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
  transition: border-color 0.2s;
}

.page-contact .info-value a:hover {
  border-bottom-color: var(--color-accent, #B22222);
}

/* 联系信息配图 */
.page-contact .info-figure {
  margin: 1.5rem 0 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-surface, #fff);
  box-shadow: var(--shadow-card);
}

.page-contact .info-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 600 / 400;
}

.page-contact .info-caption {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-text-secondary, #555);
  padding: 0.6rem 1rem;
  background: var(--color-surface, #fff);
  border-top: 1px solid var(--color-border, #e0e0e0);
}

/* 表单区 */
.page-contact .contact-form-section {
  position: relative;
}

.page-contact .contact-form {
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e0e0e0);
  border-radius: var(--radius-card);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-card);
  max-width: 100%;
}

.page-contact .form-group {
  margin-bottom: 1.5rem;
}

.page-contact .form-group label {
  display: block;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text, #1A1A1A);
  margin-bottom: 0.4rem;
}

.page-contact .form-group input,
.page-contact .form-group textarea {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  color: var(--color-text, #1A1A1A);
  background: var(--color-bg, #F8F8F8);
  border: 2px solid var(--color-border, #e0e0e0);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.page-contact .form-group input:focus,
.page-contact .form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent, #B22222);
  box-shadow: 0 0 0 4px var(--color-glow);
}

.page-contact .form-group input::placeholder,
.page-contact .form-group textarea::placeholder {
  color: #aaa;
}

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

.page-contact .form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-accent, #B22222);
  margin-top: 0.3rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.page-contact .form-group input:invalid:not(:placeholder-shown) ~ .form-error,
.page-contact .form-group textarea:invalid:not(:placeholder-shown) ~ .form-error {
  opacity: 1;
}

.page-contact .form-actions {
  margin-top: 1rem;
}

.page-contact .btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2.5rem;
  background: var(--color-accent, #B22222);
  color: #fff;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 40px;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s, box-shadow 0.25s;
  box-shadow: 0 4px 12px rgba(178, 34, 34, 0.3);
}

.page-contact .btn-submit:hover {
  background: var(--color-accent-deep, #9B1B1B);
  box-shadow: 0 6px 20px rgba(178, 34, 34, 0.4);
  transform: translateY(-1px);
}

.page-contact .btn-submit:active {
  transform: translateY(0);
}

/* 感谢消息（默认隐藏） */
.page-contact .thank-you-message {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--color-glow);
  border: 2px solid var(--color-gold, #D4AF37);
  border-radius: var(--radius-card);
  text-align: center;
}

.page-contact .thank-you-text {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  color: var(--color-text, #1A1A1A);
  margin: 0;
}

/* 服务说明区 */
.page-contact .service-note-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  position: relative;
}

.page-contact .service-note-section .section-number {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 1.8rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-gold, #D4AF37);
  display: block;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.page-contact .service-note-section h2 {
  font-family: var(--font-heading, 'Noto Serif SC', Georgia, serif);
  font-size: 1.6rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text, #1A1A1A);
  margin: 0 0 1rem;
}

.page-contact .service-note-content {
  max-width: 700px;
  margin-bottom: 2rem;
}

.page-contact .service-note-content p {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  color: var(--color-text-secondary, #555);
  line-height: 1.7;
  margin: 0 0 0.8rem;
}

.page-contact .service-note-content a {
  color: var(--color-accent, #B22222);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-contact .service-note-content a:hover {
  border-bottom-color: var(--color-accent, #B22222);
}

/* 天际线图 */
.page-contact .skyline-figure {
  margin: 1.5rem 0 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--color-header-bg, #0B1D3A);
  box-shadow: var(--shadow-card);
  position: relative;
}

.page-contact .skyline-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 400;
  opacity: 0.9;
}

.page-contact .skyline-caption {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-gold-light, #F0D060);
  padding: 0.6rem 1rem;
  background: var(--color-header-bg, #0B1D3A);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
  letter-spacing: 0.02em;
}

/* 桌面端 ≥900px：两栏网格 + 横向舒展 */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 2.5rem 2rem 1.75rem;
  }

  .page-contact .contact-hero .section-number {
    font-size: 4rem;
  }

  .page-contact .contact-hero h1 {
    font-size: 3rem;
  }

  .page-contact .contact-grid {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
    padding: 0 2rem 2.5rem;
  }

  .page-contact .contact-info-section {
    flex: 1 1 45%;
    max-width: 600px;
  }

  .page-contact .contact-form-section {
    flex: 1 1 50%;
    max-width: 620px;
  }

  .page-contact .contact-form {
    padding: 2rem 2rem 2.25rem;
  }

  .page-contact .info-cards {
    gap: 1.2rem;
  }

  .page-contact .info-card {
    padding: 1.5rem 1.75rem;
  }

  .page-contact .info-figure {
    margin-top: 2rem;
  }

  .page-contact .service-note-section {
    padding: 3rem 2rem 4rem;
  }

  .page-contact .service-note-section h2 {
    font-size: 1.8rem;
  }

  .page-contact .service-note-content {
    max-width: 780px;
  }

  .page-contact .skyline-figure {
    margin-top: 2.5rem;
  }

  .page-contact .contact-breadcrumb {
    padding: 0 2rem;
  }
}

/* 防止窄屏横向溢出 */
.page-contact * {
  box-sizing: border-box;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* 辅助：焦点可见 */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible,
.page-contact textarea:focus-visible {
  outline: 3px solid var(--color-gold, #D4AF37);
  outline-offset: 2px;
}