.page-contact {
  --contact-panel: color-mix(in srgb, var(--color-surface) 80%, transparent);
  --contact-edge: color-mix(in srgb, var(--color-primary) 20%, transparent);
  --contact-edge-soft: color-mix(in srgb, var(--color-line) 88%, transparent);
  --contact-deep-panel: color-mix(in srgb, var(--color-contrast-surface) 94%, transparent);
  position: relative;
  overflow-x: clip;
  padding-bottom: var(--section-y-lg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  background:
    radial-gradient(1100px 620px at 8% -10%, color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 68%),
    radial-gradient(880px 520px at 98% 2%, color-mix(in srgb, var(--color-accent) 16%, transparent), transparent 70%),
    radial-gradient(720px 480px at 46% 104%, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 74%),
    var(--color-surface);
}

/* ---------- 首部 ---------- */
.page-contact .contact-masthead {
  padding-top: var(--space-3);
}

.page-contact .contact-masthead .eyebrow {
  color: var(--color-primary);
  font-weight: var(--weight-heading);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .contact-masthead h1 {
  margin: var(--space-2) 0 var(--space-3);
  max-width: 20ch;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-contact .contact-lede {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

/* ---------- 三条快捷信息 ---------- */
.page-contact .contact-strip {
  display: grid;
  gap: var(--border-thin);
  margin-top: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-line);
  overflow: hidden;
}

.page-contact .contact-strip__cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background: color-mix(in srgb, var(--color-surface) 76%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.page-contact .contact-strip__cell--accent {
  background: color-mix(in srgb, var(--color-accent) 12%, color-mix(in srgb, var(--color-surface) 84%, transparent));
}

.page-contact .contact-strip__label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-weight: var(--weight-heading);
}

.page-contact .contact-strip__value {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-figure {
  margin: var(--space-4) 0 0;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--contact-edge);
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-figure--inline {
  margin-top: var(--space-4);
}

/* ---------- 主体骨架 ---------- */
.page-contact .contact-body {
  margin-top: var(--section-y);
}

.page-contact .contact-body__nav {
  display: none;
}

.page-contact .contact-block + .contact-block {
  margin-top: var(--section-y);
}

.page-contact .contact-block__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-contact .contact-block__note {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--space-3);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--contact-edge);
  border-radius: var(--radius-lg);
  background: var(--contact-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-1);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset-inline: var(--space-3);
  top: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.9;
}

.page-contact .channel-card--accent::before {
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-primary) 48%, transparent);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card__flag {
  align-self: flex-start;
  padding: var(--space-1) calc(var(--space-2) * 0.75);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
}

.page-contact .channel-card--accent .channel-card__flag {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.34;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-contact .channel-card__fit {
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 回应节奏 ---------- */
.page-contact .timing-list {
  margin: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-contact .timing-row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-contact .timing-row dt {
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-contact .timing-row dd {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

.page-contact .timing-row dd strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--contact-edge-soft);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-alt) 66%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .prep-item__idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-contact .prep-item__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-contact .prep-item__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-contact .prep-item__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 先自己看一眼 ---------- */
.page-contact .contact-links {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-contact .contact-links a {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  text-decoration: none;
  color: var(--color-ink);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  color: var(--color-primary);
  padding-left: var(--space-1);
}

.page-contact .contact-links__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-contact .contact-links__hint {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 出口面板 ---------- */
.page-contact .contact-exit {
  position: relative;
  margin-top: var(--section-y);
  padding: var(--space-4) var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(560px 260px at 92% 0%, color-mix(in srgb, var(--color-contrast-accent) 24%, transparent), transparent 68%),
    var(--contact-deep-panel);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-contact .contact-exit__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-contact .contact-exit__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-contact .contact-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.page-contact .contact-exit__foot {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-contact .contact-exit__foot .to-top {
  color: var(--color-contrast-accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  text-decoration: none;
}

.page-contact .contact-exit__foot .to-top:hover,
.page-contact .contact-exit__foot .to-top:focus-visible {
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-masthead h1 {
    font-size: var(--text-4xl);
  }

  .page-contact .contact-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-exit {
    padding: var(--space-6);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-body {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-contact .contact-body__nav {
    display: block;
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-links a {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .page-contact .contact-links__hint {
    max-width: 46ch;
    text-align: right;
  }

  .page-contact .timing-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: baseline;
  }
}
<<<END>>>