/* ========== 页面作用域：page-contact ========== */
.page-contact {
  --contact-bg-overlay: rgba(26, 19, 7, 0.72);
  --contact-card-bg: rgba(26, 19, 7, 0.55);
  --contact-gold-glow: 0 0 12px rgba(201, 168, 76, 0.35);
  --contact-radius: 12px;
  --contact-max-width: 600px;
  --contact-icon-size: 60px;

  position: relative;
  min-height: 100vh;
  background-color: var(--color-bg-primary, #1a1307);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* ---- 背景层：固定视差 ---- */
.page-contact__bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.page-contact__bg-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.page-contact__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: var(--contact-bg-overlay);
  pointer-events: none;
}

/* ---- 内容容器 ---- */
.page-contact__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--contact-max-width);
  padding: var(--space-lg, 2rem) var(--space-md, 1rem);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

/* ---- 信息卡片 ---- */
.page-contact__card {
  width: 100%;
  padding: var(--space-xl, 2.5rem) var(--space-lg, 2rem);
  background: var(--contact-card-bg);
  border-radius: var(--contact-radius);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid var(--color-border-light, #3b3220);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  transition: border-color var(--transition, 0.3s ease);
}

.page-contact__card:hover {
  border-color: rgba(201, 168, 76, 0.4);
}

/* ---- 标题区 ---- */
.page-contact__header {
  text-align: center;
  margin-bottom: var(--space-lg, 2rem);
}

.page-contact__icon {
  display: block;
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  margin: 0 auto var(--space-sm, 0.5rem);
  object-fit: contain;
  opacity: 0.9;
}

.page-contact__title {
  font-family: var(--font-heading, 'Playfair Display', serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-accent-gold, #c9a84c);
  line-height: 1.2;
  margin: 0 0 var(--space-xs, 0.25rem);
  letter-spacing: 0.02em;
}

.page-contact__subtitle {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text-secondary, #b8a88a);
  margin: 0;
  letter-spacing: 0.08em;
}

/* ---- 分隔线 ---- */
.page-contact__divider {
  margin: var(--space-lg, 2rem) auto;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-gold, #c9a84c), transparent);
  border: none;
  opacity: 0.7;
}

/* ---- 联系方式列表 ---- */
.page-contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md, 1rem);
}

.page-contact__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-sm, 0.5rem) var(--space-md, 1rem);
  border-radius: var(--radius, 8px);
  transition: background var(--transition, 0.3s ease), box-shadow var(--transition, 0.3s ease);
  position: relative;
}

.page-contact__item:hover {
  background: rgba(201, 168, 76, 0.06);
  box-shadow: var(--contact-gold-glow);
}

.page-contact__item:focus-within {
  background: rgba(201, 168, 76, 0.06);
  box-shadow: var(--contact-gold-glow);
}

.page-contact__label {
  font-family: var(--font-heading, 'Playfair Display', serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-gold, #c9a84c);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-xs, 0.25rem);
}

.page-contact__value {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-text-primary, #f5f0e6);
  word-break: break-all;
  line-height: 1.5;
  transition: color var(--transition, 0.3s ease);
}

.page-contact__value--link {
  text-decoration: none;
  border-bottom: 1px dotted rgba(201, 168, 76, 0.3);
  cursor: pointer;
}

.page-contact__value--link:hover {
  color: var(--color-accent-gold, #c9a84c);
  border-bottom-color: var(--color-accent-gold, #c9a84c);
}

.page-contact__hint {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-text-secondary, #b8a88a);
  opacity: 0;
  transition: opacity var(--transition, 0.3s ease);
  margin-top: var(--space-xs, 0.25rem);
  letter-spacing: 0.05em;
}

.page-contact__item:hover .page-contact__hint,
.page-contact__item:focus-within .page-contact__hint {
  opacity: 0.7;
}

/* ---- 服务说明 ---- */
.page-contact__note {
  margin-top: var(--space-lg, 2rem);
  padding: var(--space-md, 1rem) var(--space-sm, 0.5rem);
  text-align: center;
}

.page-contact__note p {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-secondary, #b8a88a);
  line-height: 1.6;
  margin: 0;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- 辅助链接 ---- */
.page-contact__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm, 0.5rem);
  margin-top: var(--space-xl, 2.5rem);
  flex-wrap: wrap;
}

.page-contact__link {
  font-family: var(--font-body, Inter, sans-serif);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary, #b8a88a);
  text-decoration: none;
  letter-spacing: 0.03em;
  padding: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
  border-radius: var(--radius-pill, 9999px);
  transition: color var(--transition, 0.3s ease), background var(--transition, 0.3s ease);
}

.page-contact__link:hover {
  color: var(--color-accent-gold, #c9a84c);
  background: rgba(201, 168, 76, 0.08);
}

.page-contact__link-sep {
  color: var(--color-border-light, #3b3220);
  font-size: 0.8rem;
  user-select: none;
}

/* ========== 移动端优先（默认即为移动端样式） ========== */
@media (max-width: 479px) {
  .page-contact__card {
    padding: var(--space-lg, 1.8rem) var(--space-md, 1rem);
  }

  .page-contact__title {
    font-size: 1.8rem;
  }

  .page-contact__subtitle {
    font-size: 0.85rem;
  }

  .page-contact__value {
    font-size: 0.95rem;
  }

  .page-contact__divider {
    width: 80%;
  }

  .page-contact__icon {
    --contact-icon-size: 48px;
  }

  .page-contact__note p {
    font-size: 0.8rem;
  }
}

/* ========== 桌面端增强 ========== */
@media (min-width: 768px) {
  .page-contact__card {
    padding: var(--space-2xl, 3rem) var(--space-xl, 2.5rem);
  }

  .page-contact__title {
    font-size: 2.8rem;
  }

  .page-contact__subtitle {
    font-size: 1.05rem;
  }

  .page-contact__value {
    font-size: 1.1rem;
  }

  .page-contact__item {
    padding: var(--space-sm, 0.5rem) var(--space-lg, 2rem);
  }

  .page-contact__divider {
    width: 50%;
  }

  .page-contact__icon {
    --contact-icon-size: 72px;
  }

  .page-contact__note p {
    font-size: 0.9rem;
  }
}

/* ========== 大屏优化 ========== */
@media (min-width: 1200px) {
  .page-contact__inner {
    padding: var(--space-xl, 2rem) var(--space-2xl, 3rem);
  }

  .page-contact__card {
    max-width: 680px;
  }
}

/* ========== 滚动条美化（作用于页面自身，而非共享） ========== */
.page-contact ::-webkit-scrollbar {
  width: 6px;
}

.page-contact ::-webkit-scrollbar-track {
  background: transparent;
}

.page-contact ::-webkit-scrollbar-thumb {
  background: var(--color-border-light, #3b3220);
  border-radius: var(--radius-pill, 9999px);
}

.page-contact ::-webkit-scrollbar-thumb:hover {
  background: rgba(201, 168, 76, 0.3);
}

/* ========== 选中样式 ========== */
.page-contact ::selection {
  background: rgba(201, 168, 76, 0.25);
  color: var(--color-text-primary, #f5f0e6);
}

/* ========== 焦点样式（邮箱链接） ========== */
.page-contact__value--link:focus-visible {
  outline: 2px solid var(--color-accent-gold, #c9a84c);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ========== data-copy 交互提示（渐进增强） ========== */
.page-contact__item[data-copy] {
  cursor: pointer;
}

.page-contact__item[data-copy] .page-contact__value--link::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 6px;
  vertical-align: middle;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'/%3E%3Cpath d='M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='13' height='13' rx='2' ry='2'/%3E%3Cpath d='M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: 0.5;
  transition: opacity var(--transition, 0.3s ease);
}

.page-contact__item[data-copy]:hover .page-contact__value--link::after {
  opacity: 1;
}