/* ======================================
   页面专属样式 · page-contact
   作用域限定，不污染共享样式
   ====================================== */
.page-contact {
  --contact-gap: 2.5rem;
  --contact-card-radius: 8px;
  --contact-form-max-w: 520px;
  --contact-accent: #D94F30;
  --contact-accent-dark: #b33d24;
  --contact-border: #E8E4DF;
  --contact-bg-cream: #F5F0EB;
  --contact-bg-light: #FAF8F5;
  --contact-text-dark: #2B1D14;
  --contact-text-muted: #5A4A3A;
  --contact-shadow: 0 2px 8px rgba(43,29,20,0.06);
  --contact-shadow-hover: 0 6px 20px rgba(43,29,20,0.10);
}

/* ---------- 内容器 ---------- */
.page-contact__inner {
  max-width: var(--max-content, 1200px);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: 1.5rem;
  font-family: var(--font-body, sans-serif);
  font-size: 0.875rem;
  color: var(--contact-text-muted);
}
.page-contact .breadcrumb a {
  color: var(--contact-text-muted);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}
.page-contact .breadcrumb a:hover {
  color: var(--contact-accent);
}
.page-contact .breadcrumb-sep {
  margin: 0 0.5rem;
  color: var(--contact-border);
}
.page-contact .breadcrumb-current {
  color: var(--contact-text-dark);
  font-weight: 500;
}

/* ---------- 首屏标题 ---------- */
.page-contact__hero {
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--contact-border);
}
.page-contact__hero-title {
  font-family: var(--font-heading, Georgia, 'Times New Roman', serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--contact-text-dark);
  margin: 0 0 0.75rem 0;
  line-height: 1.15;
}
.page-contact__hero-desc {
  font-family: var(--font-body, sans-serif);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
  color: var(--contact-text-muted);
  max-width: 640px;
  margin: 0;
}

/* ---------- 通用 section 标题 ---------- */
.page-contact__section-title {
  font-family: var(--font-heading, Georgia, 'Times New Roman', serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--contact-text-dark);
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--contact-accent);
  display: inline-block;
}

/* ---------- 联系信息与表单并排网格 ---------- */
.page-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-bottom: 3.5rem;
}

/* ---------- 联系信息卡片 ---------- */
.page-contact__info-card {
  background: var(--contact-bg-cream);
  border: 1px solid var(--contact-border);
  border-radius: var(--contact-card-radius);
  padding: 2rem 2rem 1.75rem;
  box-shadow: var(--contact-shadow);
  transition: box-shadow var(--transition-base, 0.25s ease);
}
.page-contact__info-card:hover {
  box-shadow: var(--contact-shadow-hover);
}
.page-contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem 0;
}
.page-contact__info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 4px;
  background: var(--contact-bg-light);
  padding: 4px;
  border: 1px solid var(--contact-border);
}
.page-contact__info-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.page-contact__info-label {
  font-family: var(--font-body, sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--contact-accent);
}
.page-contact__info-value {
  font-family: var(--font-body, sans-serif);
  font-size: 1.05rem;
  color: var(--contact-text-dark);
  text-decoration: none;
  word-break: break-word;
}
a.page-contact__info-value:hover {
  color: var(--contact-accent);
  text-decoration: underline;
}
.page-contact__info-divider {
  height: 1px;
  background: var(--contact-border);
  margin: 0.25rem 0;
}
.page-contact__info-note {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--contact-bg-light);
  border-left: 3px solid var(--contact-accent);
  border-radius: 0 4px 4px 0;
  font-family: var(--font-body, sans-serif);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--contact-text-muted);
}
.page-contact__info-note p {
  margin: 0;
}

/* ---------- 静态表单卡片 ---------- */
.page-contact__form-card {
  background: #FFFFFF;
  border: 1px solid var(--contact-border);
  border-radius: var(--contact-card-radius);
  padding: 2rem 2rem 1.75rem;
  box-shadow: var(--contact-shadow);
  max-width: var(--contact-form-max-w);
}
.page-contact__form-field {
  margin-bottom: 1.25rem;
}
.page-contact__form-label {
  display: block;
  font-family: var(--font-body, sans-serif);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--contact-text-dark);
  margin-bottom: 0.35rem;
}
.page-contact__form-input {
  display: block;
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-body, sans-serif);
  font-size: 0.95rem;
  color: var(--contact-text-dark);
  background: var(--contact-bg-light);
  border: 1px solid var(--contact-border);
  border-radius: 4px;
  outline: none;
  transition: border-color var(--transition-base, 0.25s ease), box-shadow var(--transition-base, 0.25s ease);
  cursor: default;
}
.page-contact__form-input:focus {
  border-color: var(--contact-accent);
  box-shadow: 0 0 0 3px rgba(217,79,48,0.15);
}
.page-contact__form-input::placeholder {
  color: #b0a89e;
}
.page-contact__form-textarea {
  resize: none;
  min-height: 100px;
}
.page-contact__form-action {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-contact__form-btn {
  background: var(--contact-accent);
  color: #FFFFFF;
  border: none;
  padding: 0.7rem 2rem;
  font-family: var(--font-body, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: default;
  transition: background var(--transition-base, 0.25s ease), transform var(--transition-base, 0.25s ease);
  display: inline-block;
  text-align: center;
}
.page-contact__form-btn:hover {
  background: var(--contact-accent-dark);
  transform: translateY(-1px);
}
.page-contact__form-hint {
  font-family: var(--font-body, sans-serif);
  font-size: 0.78rem;
  color: var(--contact-text-muted);
  opacity: 0.85;
  font-style: italic;
}

/* ---------- 更多帮助途径 ---------- */
.page-contact__extra {
  margin-bottom: 2rem;
}
.page-contact__extra-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
}
.page-contact__extra-card {
  display: block;
  padding: 1.5rem 1.75rem;
  background: #FFFFFF;
  border: 1px solid var(--contact-border);
  border-radius: var(--contact-card-radius);
  box-shadow: var(--contact-shadow);
  text-decoration: none;
  transition: box-shadow var(--transition-base, 0.25s ease), transform var(--transition-base, 0.25s ease);
}
.page-contact__extra-card:hover {
  box-shadow: var(--contact-shadow-hover);
  transform: translateY(-3px);
  border-color: var(--contact-accent);
}
.page-contact__extra-card-title {
  display: block;
  font-family: var(--font-heading, Georgia, 'Times New Roman', serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--contact-text-dark);
  margin-bottom: 0.35rem;
}
.page-contact__extra-card-desc {
  display: block;
  font-family: var(--font-body, sans-serif);
  font-size: 0.85rem;
  color: var(--contact-text-muted);
  line-height: 1.5;
}

/* ---------- 背景装饰 ---------- */
.page-contact__bg-decor {
  position: fixed;
  top: 0;
  right: 0;
  width: 45%;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.08;
}
.page-contact__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ======================================
   桌面端 (min-width: 768px)
   ====================================== */
@media (min-width: 768px) {
  .page-contact__inner {
    padding: 2.5rem 2.5rem 5rem;
  }
  .page-contact__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact__info-card {
    padding: 2.5rem 2.5rem 2rem;
  }
  .page-contact__form-card {
    padding: 2.5rem 2.5rem 2rem;
    max-width: 100%;
  }
  .page-contact__extra-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 70%;
  }
  .page-contact__bg-decor {
    width: 35%;
  }
}

/* ======================================
   大桌面端 (min-width: 1024px)
   ====================================== */
@media (min-width: 1024px) {
  .page-contact__inner {
    padding: 3rem 3rem 6rem;
  }
  .page-contact__hero-title {
    font-size: 3.2rem;
  }
  .page-contact__grid {
    gap: 3rem;
  }
  .page-contact__extra-grid {
    max-width: 60%;
  }
  .page-contact__bg-decor {
    width: 30%;
  }
}

/* ======================================
   窄屏安全约束 (max-width: 480px)
   ====================================== */
@media (max-width: 480px) {
  .page-contact__inner {
    padding: 1.25rem 1rem 3rem;
  }
  .page-contact__info-card,
  .page-contact__form-card {
    padding: 1.25rem 1rem;
  }
  .page-contact__info-item {
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .page-contact__info-icon {
    width: 40px;
    height: 40px;
  }
  .page-contact__form-action {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-contact__form-btn {
    width: 100%;
  }
  .page-contact__extra-grid {
    grid-template-columns: 1fr;
  }
  .page-contact__bg-decor {
    display: none;
  }
}