/* ===== 联系品牌 · Contact ===== */
.page-contact {
  --pc-glow-cyan: 0 0 10px rgba(0, 229, 255, 0.45);
  --pc-glow-orange: 0 0 10px rgba(255, 107, 53, 0.45);
  --pc-glow-purple: 0 0 10px rgba(180, 78, 255, 0.45);
  background:
    radial-gradient(1100px 460px at 92% -4%, rgba(0, 229, 255, 0.06), transparent 60%),
    radial-gradient(900px 420px at -8% 32%, rgba(180, 78, 255, 0.05), transparent 55%),
    var(--bg-dark);
  min-height: 100vh;
}
.page-contact .pc-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.page-contact .pc-hero {
  border-bottom: 1px solid var(--border-strong);
  padding: 8px 0 40px;
  margin-bottom: 56px;
  position: relative;
}
.page-contact .pc-hero::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}
.page-contact .pc-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 32px;
}
.page-contact .pc-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.page-contact .pc-breadcrumb a:hover {
  color: var(--accent-primary);
}
.page-contact .pc-hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 0.98;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  transform: skew(-3deg);
  margin: 0 0 20px;
  color: var(--text-primary);
}
.page-contact .pc-hero h1 span {
  color: var(--accent-primary);
}
.page-contact .pc-hero__lead {
  max-width: 720px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 28px;
}
.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--text-secondary);
}
.page-contact .pc-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-contact .pc-hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: var(--pc-glow-cyan);
  display: inline-block;
}
.page-contact .pc-hero__dot--peak {
  background: var(--accent-secondary);
  box-shadow: var(--pc-glow-orange);
}
.page-contact .pc-hero__dot--sync {
  background: var(--accent-tertiary);
  box-shadow: var(--pc-glow-purple);
}
.page-contact .pc-channels,
.page-contact .pc-response,
.page-contact .pc-mail,
.page-contact .pc-address {
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 48px;
  margin-bottom: 48px;
}
.page-contact .pc-section-head {
  margin-bottom: 32px;
  padding-left: 16px;
  border-left: 3px solid var(--accent-primary);
}
.page-contact .pc-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin: 0 0 8px;
}
.page-contact .pc-section-head h2,
.page-contact .pc-assurance h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: 0.02em;
  transform: skew(-3deg);
  margin: 0;
  color: var(--text-primary);
}
.page-contact .pc-section-lead {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 12px 0 0;
  font-size: 0.98rem;
  line-height: 1.7;
}
.page-contact .pc-port-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}
.page-contact .pc-port {
  --port-accent: var(--accent-primary);
  --port-glow: var(--pc-glow-cyan);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--bg-panel);
  background-size: 14px 14px, 14px 14px, 100% 100%;
  border: 1px solid var(--border-strong);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
  padding: 20px;
  position: relative;
}
.page-contact .pc-port--support {
  --port-accent: var(--accent-secondary);
  --port-glow: var(--pc-glow-orange);
}
.page-contact .pc-port--address {
  --port-accent: var(--accent-tertiary);
  --port-glow: var(--pc-glow-purple);
}
.page-contact .pc-port::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--port-accent), transparent 80%);
  opacity: 0.8;
}
.page-contact .pc-port__top {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px dashed var(--border-strong);
  padding-bottom: 12px;
  margin-bottom: 18px;
}
.page-contact .pc-port__led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--port-accent);
  box-shadow: var(--port-glow);
  display: inline-block;
  flex-shrink: 0;
}
.page-contact .pc-port__no {
  margin-left: auto;
  font-family: var(--font-data);
  color: var(--text-muted);
}
.page-contact .pc-port__icon {
  width: 32px;
  height: 32px;
  color: var(--port-accent);
  margin-bottom: 12px;
}
.page-contact .pc-port__label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.page-contact .pc-port__value {
  font-family: var(--font-data);
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 0 0 10px;
  word-break: break-word;
}
.page-contact .pc-port__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--port-accent);
  opacity: 0.9;
  transition: color var(--transition), border-color var(--transition);
}
.page-contact .pc-port__value a:hover {
  color: var(--port-accent);
  border-color: var(--port-accent);
}
.page-contact .pc-port__hint {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}
.page-contact .pc-channel-visual {
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  padding: 16px;
}
.page-contact .pc-channel-visual__inner {
  position: relative;
  overflow: hidden;
}
.page-contact .pc-channel-visual img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(1.1) contrast(1.05);
}
.page-contact .pc-channel-visual__caption {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.page-contact .pc-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .pc-timeline__item {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  padding: 22px 20px 20px 56px;
  position: relative;
}
.page-contact .pc-timeline__item::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-primary), transparent);
}
.page-contact .pc-timeline__item--peak::before {
  background: linear-gradient(to bottom, var(--accent-secondary), transparent);
}
.page-contact .pc-timeline__mark {
  position: absolute;
  left: 18px;
  top: 24px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: var(--pc-glow-cyan);
}
.page-contact .pc-timeline__mark--peak {
  background: var(--accent-secondary);
  box-shadow: var(--pc-glow-orange);
}
.page-contact .pc-timeline__mark--sync {
  background: var(--accent-tertiary);
  box-shadow: var(--pc-glow-purple);
}
.page-contact .pc-timeline__item h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin: 0 0 4px;
}
.page-contact .pc-timeline__time {
  font-family: var(--font-data);
  font-size: 0.95rem;
  color: var(--accent-primary);
  margin: 0 0 10px;
}
.page-contact .pc-timeline__item--peak .pc-timeline__time {
  color: var(--accent-secondary);
}
.page-contact .pc-timeline__item p:last-child {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}
.page-contact .pc-mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .pc-mail-card {
  --mail-accent: var(--accent-primary);
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
}
.page-contact .pc-mail-card--support {
  --mail-accent: var(--accent-secondary);
}
.page-contact .pc-mail-card::after {
  content: '';
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--mail-accent), transparent 70%);
  opacity: 0.08;
  pointer-events: none;
}
.page-contact .pc-mail-card__badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mail-accent);
  border: 1px solid currentColor;
  padding: 4px 10px;
  margin-bottom: 16px;
}
.page-contact .pc-mail-card h3 {
  font-family: var(--font-data);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px;
  word-break: break-all;
}
.page-contact .pc-mail-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 20px;
}
.page-contact .pc-mail-card__btn {
  margin-top: auto;
  align-self: flex-start;
  position: relative;
  z-index: 1;
}
.page-contact .pc-address__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-contact .pc-address__text {
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  padding: 28px 22px;
  position: relative;
}
.page-contact .pc-address__text::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-tertiary), var(--accent-primary) 70%);
}
.page-contact .pc-address__line {
  font-family: var(--font-data);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.page-contact .pc-address__note {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 20px;
}
.page-contact .pc-address__uses {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.page-contact .pc-address__uses li {
  font-family: var(--font-data);
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
}
.page-contact .pc-address__uses li::before {
  content: '';
  width: 6px;
  height: 6px;
  position: absolute;
  left: 0;
  top: 8px;
  background: var(--accent-tertiary);
  transform: rotate(45deg);
}
.page-contact .pc-address__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .pc-address__visual-frame {
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  padding: 14px;
}
.page-contact .pc-address__visual-frame img {
  width: 100%;
  height: auto;
  display: block;
}
.page-contact .pc-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .pc-help-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent-primary);
  color: var(--text-primary);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.page-contact .pc-help-card:hover {
  border-color: var(--accent-primary);
  border-left-color: var(--accent-primary);
  transform: translateX(4px);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.08);
}
.page-contact .pc-help-card__no {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--accent-primary);
}
.page-contact .pc-help-card strong {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.page-contact .pc-help-card span:last-child {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.page-contact .pc-assurance {
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.07), rgba(180, 78, 255, 0.05));
  border: 1px solid var(--border-strong);
  padding: 28px 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .pc-assurance .pc-kicker {
  color: var(--accent-secondary);
}
.page-contact .pc-assurance__intro p:last-child {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 12px 0 0;
}
.page-contact .pc-assurance__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-contact .pc-assurance__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-top: 1px dashed var(--border-strong);
  padding-top: 12px;
}
.page-contact .pc-assurance__num {
  font-family: var(--font-data);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-primary);
}
.page-contact .pc-assurance__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.page-contact .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}
.page-contact .btn--primary {
  background: linear-gradient(135deg, var(--accent-primary), #0096c7);
  color: #06121a;
  border-color: transparent;
}
.page-contact .btn--ghost {
  background: transparent;
  color: var(--text-primary);
}
.page-contact .btn--secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--accent-secondary);
}
@media (min-width: 640px) {
  .page-contact .pc-wrap {
    padding: 48px 28px 88px;
  }
  .page-contact .pc-port-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .pc-address__uses {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .pc-help-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .pc-assurance__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}
@media (min-width: 1024px) {
  .page-contact .pc-wrap {
    padding: 56px 32px 100px;
  }
  .page-contact .pc-hero {
    padding-bottom: 48px;
    margin-bottom: 72px;
  }
  .page-contact .pc-port-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .page-contact .pc-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-contact .pc-mail-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .page-contact .pc-address__layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: stretch;
  }
  .page-contact .pc-address__text {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .page-contact .pc-address__visual-frame {
    display: flex;
    height: 100%;
  }
  .page-contact .pc-address__visual-frame img {
    flex: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 360px;
  }
  .page-contact .pc-help-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .page-contact .pc-assurance {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 32px;
    align-items: center;
  }
  .page-contact .pc-assurance__stats {
    gap: 18px;
  }
}