/* ===== 页面专属：联系入口 ===== */
.page-contact {
  --pc-bg: var(--clr-bg);
  --pc-card-bg: #ffffff;
  --pc-border: var(--clr-gold);
  --pc-text: var(--clr-text);
  --pc-text-secondary: var(--clr-text-secondary);
  --pc-primary: var(--clr-primary);
  --pc-gold: var(--clr-gold);
  --pc-gold-light: var(--clr-gold-light);
  --pc-shadow: var(--shadow-strong);
  --pc-shadow-hover: var(--shadow-hover);
  --pc-radius: 0;
  --pc-transition: var(--transition);
  --pc-gap: var(--space-lg);
  --pc-section-gap: var(--space-xl);
  --pc-max-width: var(--max-width);
  --pc-header-width: var(--header-width);

  display: block;
  background-color: var(--pc-bg);
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
  min-height: 60vh;
  color: var(--pc-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

/* 容器 */
.page-contact__container {
  max-width: var(--pc-max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--pc-text-secondary);
}
.page-contact .breadcrumb__link {
  color: var(--pc-primary);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: border-color var(--pc-transition);
}
.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--pc-gold);
  outline: none;
}
.page-contact .breadcrumb__sep {
  color: var(--pc-gold);
  font-weight: 700;
  font-size: 1.1em;
}
.page-contact .breadcrumb__current {
  color: var(--pc-text-secondary);
  font-weight: 400;
}

/* 页面标题 */
.page-contact__intro {
  margin-bottom: var(--pc-section-gap);
  padding-bottom: var(--space-md);
  border-bottom: var(--border-thick) solid var(--pc-gold);
}
.page-contact__heading {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.02em;
  color: var(--pc-primary);
  margin: 0 0 var(--space-sm);
  line-height: 1.1;
}
.page-contact__sub {
  font-size: 1.05rem;
  color: var(--pc-text-secondary);
  max-width: 640px;
  margin: 0;
}

/* 两栏布局 */
.page-contact__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-section-gap);
  margin-bottom: var(--pc-section-gap);
}

/* ===== 左侧：联系信息 ===== */
.page-contact__info {
  background-color: var(--pc-card-bg);
  border: var(--border-thick) solid var(--pc-border);
  box-shadow: var(--pc-shadow);
  padding: var(--space-lg) var(--space-md);
  transition: box-shadow var(--pc-transition);
}
.page-contact__info:hover {
  box-shadow: var(--pc-shadow-hover);
}

.page-contact__section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--pc-primary);
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 3px solid var(--pc-gold-light);
  display: inline-block;
}
.page-contact__section-title--center {
  display: block;
  text-align: center;
}

.page-contact__info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.page-contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.page-contact__info-item--full {
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 2px solid var(--pc-gold-light);
}

.page-contact__info-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--pc-primary);
  border: 2px solid var(--pc-gold);
  box-shadow: 3px 3px 0 rgba(10, 86, 43, 0.2);
}
.page-contact__icon-img {
  display: block;
  width: 40px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.page-contact__info-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.page-contact__info-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pc-gold);
  background-color: var(--pc-primary);
  display: inline-block;
  padding: 0 var(--space-xs);
  line-height: 1.5;
  align-self: flex-start;
}
.page-contact__info-value {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  color: var(--pc-text);
  word-break: break-all;
}
.page-contact__info-value--email {
  color: var(--pc-primary);
  text-decoration: underline;
  text-decoration-color: var(--pc-gold-light);
  text-underline-offset: 3px;
  transition: color var(--pc-transition);
}
.page-contact__info-value--email:hover {
  color: var(--pc-gold);
}
.page-contact__info-note {
  font-size: 0.8rem;
  color: var(--pc-text-secondary);
  font-style: italic;
}

/* 复制按钮 */
.page-contact__copy-btn {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 10px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: transparent;
  border: 2px solid var(--pc-gold);
  color: var(--pc-primary);
  cursor: pointer;
  transition: background-color var(--pc-transition), color var(--pc-transition);
  align-self: flex-start;
}
.page-contact__copy-btn:hover,
.page-contact__copy-btn:focus-visible {
  background-color: var(--pc-gold);
  color: var(--pc-primary);
  outline: none;
}
.page-contact__copy-btn:active {
  transform: scale(0.96);
}

/* 通知 */
.page-contact__notice {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--pc-primary);
  border: 2px solid var(--pc-gold);
  box-shadow: 4px 4px 0 rgba(10, 86, 43, 0.15);
}
.page-contact__notice-text {
  margin: 0;
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 400;
}

/* ===== 右侧：表单 ===== */
.page-contact__form-section {
  background-color: var(--pc-card-bg);
  border: var(--border-thick) solid var(--pc-border);
  box-shadow: var(--pc-shadow);
  padding: var(--space-lg) var(--space-md);
  transition: box-shadow var(--pc-transition);
}
.page-contact__form-section:hover {
  box-shadow: var(--pc-shadow-hover);
}

.page-contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.page-contact__form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.page-contact__form-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--pc-primary);
  text-transform: uppercase;
}

.page-contact__form-input {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6rem 0.8rem;
  border: 2px solid var(--pc-bg-dark);
  background-color: var(--pc-bg);
  color: var(--pc-text);
  transition: border-color var(--pc-transition), box-shadow var(--pc-transition);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.page-contact__form-input:focus {
  border-color: var(--pc-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}
.page-contact__form-input::placeholder {
  color: var(--pc-text-secondary);
  opacity: 0.7;
}

.page-contact__form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.page-contact__form-actions {
  padding-top: var(--space-sm);
}

.page-contact__submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--pc-primary);
  color: var(--pc-gold);
  border: 3px solid var(--pc-gold);
  box-shadow: 4px 4px 0 rgba(10, 86, 43, 0.3);
  cursor: pointer;
  transition: transform var(--pc-transition), box-shadow var(--pc-transition), background-color var(--pc-transition);
  min-width: 180px;
}
.page-contact__submit-btn:hover,
.page-contact__submit-btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(10, 86, 43, 0.35);
  background-color: var(--pc-primary-dark);
  outline: none;
}
.page-contact__submit-btn:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 rgba(10, 86, 43, 0.3);
}

/* 成功提示 */
.page-contact__form-success {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--pc-primary);
  border: 2px solid var(--pc-gold);
  box-shadow: 4px 4px 0 rgba(10, 86, 43, 0.15);
  margin-top: var(--space-md);
}
.page-contact__success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--pc-gold);
  color: var(--pc-primary);
  font-weight: 900;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.page-contact__success-text {
  margin: 0;
  color: #ffffff;
  font-weight: 500;
  font-size: 0.95rem;
}

/* ===== 回复说明横幅 ===== */
.page-contact__response {
  margin-top: var(--pc-section-gap);
  text-align: center;
}

.page-contact__response-card {
  max-width: 720px;
  margin: 0 auto;
  background-color: var(--pc-card-bg);
  border: var(--border-thick) solid var(--pc-border);
  box-shadow: var(--pc-shadow);
  padding: var(--space-lg) var(--space-md);
  transition: box-shadow var(--pc-transition);
}
.page-contact__response-card:hover {
  box-shadow: var(--pc-shadow-hover);
}

.page-contact__response-text {
  font-size: 1rem;
  color: var(--pc-text);
  margin: 0 0 var(--space-md);
  line-height: 1.8;
}
.page-contact__response-text strong {
  color: var(--pc-primary);
  font-weight: 900;
}

.page-contact__response-note {
  font-size: 0.9rem;
  color: var(--pc-text-secondary);
  margin: 0 0 var(--space-lg);
  line-height: 1.6;
  font-style: italic;
}

.page-contact__help-link {
  display: inline-block;
  padding: 0.6rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pc-primary);
  background-color: transparent;
  border: 3px solid var(--pc-gold);
  box-shadow: 4px 4px 0 rgba(10, 86, 43, 0.15);
  text-decoration: none;
  transition: transform var(--pc-transition), box-shadow var(--pc-transition), background-color var(--pc-transition), color var(--pc-transition);
}
.page-contact__help-link:hover,
.page-contact__help-link:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(10, 86, 43, 0.2);
  background-color: var(--pc-gold);
  color: var(--pc-primary);
  outline: none;
}

/* ===== 滚动显现 ===== */
.page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page-contact [data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-contact {
    padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  }
  .page-contact__container {
    padding: 0 var(--space-md);
  }

  .page-contact__columns {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
  }

  .page-contact__info {
    padding: var(--space-xl);
    position: sticky;
    top: var(--space-lg);
  }

  .page-contact__form-section {
    padding: var(--space-xl);
  }

  .page-contact__heading {
    font-size: clamp(2.5rem, 4vw, 3.8rem);
  }

  .page-contact__response-card {
    padding: var(--space-xl);
  }

  .page-contact__info-item {
    gap: var(--space-lg);
  }

  .page-contact__info-icon {
    width: 56px;
    height: 56px;
  }
  .page-contact__icon-img {
    width: 40px;
  }

  .page-contact__submit-btn {
    min-width: 220px;
    padding: 0.8rem 3rem;
  }
}

/* ===== 大桌面端 ===== */
@media (min-width: 1024px) {
  .page-contact {
    padding: var(--space-2xl) var(--space-xl) var(--space-2xl);
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-contact__copy-btn,
  .page-contact__submit-btn,
  .page-contact__help-link,
  .page-contact .breadcrumb__link,
  .page-contact__form-input,
  .page-contact__info,
  .page-contact__form-section,
  .page-contact__response-card {
    transition: none;
  }
  .page-contact__submit-btn:hover,
  .page-contact__submit-btn:focus-visible {
    transform: none;
  }
  .page-contact__help-link:hover,
  .page-contact__help-link:focus-visible {
    transform: none;
  }
}

.page-contact {
  --pc-bg-dark: var(--clr-bg-dark);
  --pc-primary-dark: transparent;
}