.page-contact {
  --contact-icon-size: 64px;
  --contact-card-padding: 2rem 1.5rem;
  --contact-bg-decor: var(--color-primary);
  font-family: var(--font-body);
  color: var(--color-black);
}

/* ===== Hero 区 ===== */
.page-contact .contact-hero {
  background: var(--color-primary);
  padding: 2rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--size-small);
  color: var(--color-silver);
  margin-bottom: 1rem;
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--color-silver);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--color-white);
}

.page-contact .contact-hero .breadcrumb a::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--color-accent);
}

.page-contact .contact-hero .breadcrumb span {
  color: var(--color-accent-light);
  font-weight: 600;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-heading);
  font-size: var(--size-h1);
  font-style: italic;
  font-weight: 800;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-white);
  margin: 0 0 0.5rem;
  line-height: 1.1;
}

.page-contact .hero-subtitle {
  font-size: calc(var(--size-body) + 0.2rem);
  color: var(--color-silver);
  margin: 0;
  max-width: 480px;
  line-height: 1.5;
}

/* ===== 联系方式卡片区 ===== */
.page-contact .contact-channels {
  position: relative;
  padding: 3rem 0;
  overflow: hidden;
  background: var(--color-light-bg);
}

.page-contact .channels-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
  pointer-events: none;
  user-select: none;
}

.page-contact .channels-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  position: relative;
  z-index: 1;
}

.page-contact .channel-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: var(--contact-card-padding);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-left: 4px solid var(--color-accent);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.10);
}

.page-contact .channel-icon {
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.page-contact .icon-phone {
  background: var(--color-primary);
}

.page-contact .icon-mail {
  background: var(--color-data);
}

.page-contact .icon-map {
  background: transparent;
  padding: 0;
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
}

.page-contact .icon-symbol {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-white);
  font-family: var(--font-heading);
  line-height: 1;
}

.page-contact .map-pin {
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  object-fit: contain;
  display: block;
  border-radius: 50%;
}

.page-contact .channel-title {
  font-family: var(--font-heading);
  font-size: var(--size-h3);
  font-weight: 700;
  font-style: italic;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-primary);
  margin: 0 0 0.35rem;
}

.page-contact .channel-value {
  font-size: calc(var(--size-body) + 0.1rem);
  font-weight: 600;
  color: var(--color-black);
  margin: 0 0 0.25rem;
  word-break: break-all;
}

.page-contact .channel-value a {
  color: var(--color-primary-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-contact .channel-value a:hover {
  border-bottom-color: var(--color-accent);
}

.page-contact .channel-note {
  font-size: var(--size-small);
  color: var(--color-gray-text);
  margin: 0;
}

/* ===== 表单区 ===== */
.page-contact .contact-form-wrapper {
  background: var(--color-light-bg);
  padding: 3rem 0;
}

.page-contact .contact-form-wrapper h2 {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  font-weight: 700;
  font-style: italic;
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-primary);
  margin: 0 0 0.3rem;
}

.page-contact .form-intro {
  color: var(--color-gray-text);
  margin: 0 0 2rem;
  font-size: var(--size-body);
}

.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 640px;
  background: var(--color-white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.page-contact .form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-contact .form-field label {
  font-size: var(--size-small);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-contact .form-field input,
.page-contact .form-field textarea {
  border: 2px solid var(--color-silver);
  border-radius: 0;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--size-body);
  color: var(--color-black);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.page-contact .form-field input:focus,
.page-contact .form-field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255,111,0,0.15);
}

.page-contact .form-field input::placeholder,
.page-contact .form-field textarea::placeholder {
  color: var(--color-gray-text);
  opacity: 0.7;
}

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

.page-contact .contact-form .btn-accent {
  align-self: flex-start;
  padding: 0.8rem 2.8rem;
  font-size: calc(var(--size-body) + 0.05rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.page-contact .contact-form .btn-accent:hover {
  background: var(--color-accent-light);
  transform: scale(1.02);
}

/* ===== FAQ 链接区 ===== */
.page-contact .contact-faq {
  padding: 2rem 0 3rem;
  background: var(--color-white);
  text-align: center;
}

.page-contact .contact-faq a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-contact .contact-faq a:hover {
  border-bottom-color: var(--color-accent);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-contact .channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 3.5rem 0 4rem;
  }

  .page-contact .channels-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .channel-card {
    padding: 2.5rem 1.75rem;
  }

  .page-contact .contact-form-wrapper {
    padding: 4rem 0;
  }

  .page-contact .contact-form {
    padding: 2.5rem 2.5rem;
  }

  .page-contact .contact-faq {
    padding: 2.5rem 0 4rem;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero h1 {
    font-size: calc(var(--size-h1) * 0.78);
  }

  .page-contact .contact-form {
    padding: 1.5rem 1rem;
  }

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

  .page-contact .channel-card {
    padding: 1.5rem 1rem;
  }
}