.page-contact {
  background: var(--color-black);
  color: var(--text-primary);
}

/* ===================== 首屏 Hero ===================== */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 56px;
  background: linear-gradient(160deg, var(--color-carbon) 0%, var(--color-black) 58%, #2A0A10 100%);
  min-height: 520px;
  display: flex;
  align-items: center;
}

.page-contact .pc-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-contact .pc-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(13,13,13,.96) 0%, rgba(13,13,13,.82) 55%, rgba(13,13,13,.38) 100%);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  top: -16%;
  right: -18%;
  width: 46%;
  height: 132%;
  background: var(--color-red);
  transform: skewX(-16deg);
  opacity: .14;
  z-index: 1;
  pointer-events: none;
}

.page-contact .pc-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-contact .pc-hero .breadcrumb {
  margin-bottom: 20px;
}

.page-contact .pc-hero .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--speed) var(--ease);
}

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

.page-contact .pc-breadcrumb-sep {
  margin: 0 8px;
  color: var(--text-muted);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-contact .pc-hero-copy {
  max-width: 660px;
}

.page-contact .pc-hero-copy .section-index {
  color: var(--color-gold);
  border-color: rgba(212,175,55,.45);
}

.page-contact .pc-hero h1 {
  margin: 14px 0 18px;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: .015em;
  text-transform: uppercase;
  color: var(--color-white);
}

.page-contact .pc-hero-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-contact .pc-hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 9px 18px;
  border: 1px solid var(--line-color);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-contact .pc-status-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 0 4px rgba(0,140,69,.2);
  animation: pc-status-pulse 2.4s infinite ease-in-out;
}

@keyframes pc-status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0,140,69,.2); }
  50% { box-shadow: 0 0 0 9px rgba(0,140,69,.06); }
}

.page-contact .pc-hero-card {
  position: relative;
  background: linear-gradient(155deg, #202020 0%, #151515 100%);
  border: 1px solid var(--line-color);
  border-radius: calc(var(--radius) + 2px);
  padding: 26px 22px 22px;
  box-shadow: 0 28px 72px rgba(0,0,0,.42);
}

.page-contact .pc-hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-red), transparent 85%);
}

.page-contact .pc-hero-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .pc-hero-card-top .data-tag {
  flex: none;
}

.page-contact .pc-hero-card-phone {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.6vw, 32px);
  letter-spacing: .03em;
  color: var(--color-white);
}

.page-contact .pc-hero-card-mail {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--text-secondary);
  word-break: break-all;
}

.page-contact .pc-hero-card-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-color);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ===================== 客服渠道 ===================== */
.page-contact .pc-channels {
  position: relative;
  padding: 72px 0 64px;
  background: var(--color-carbon);
}

.page-contact .pc-channels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-red), transparent 64%);
}

.page-contact .pc-channels::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 64px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(200,16,46,.12), transparent 70%);
  pointer-events: none;
}

.page-contact .pc-section-head {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 18px;
  margin-bottom: 34px;
}

.page-contact .pc-section-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.15;
  color: var(--color-white);
}

.page-contact .pc-channels-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
}

.page-contact .pc-channel-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

@media (hover: hover) {
  .page-contact .pc-channel-card:hover {
    transform: translateY(-6px);
    border-color: rgba(200,16,46,.4);
    box-shadow: 0 22px 54px rgba(0,0,0,.3);
  }
}

.page-contact .pc-channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-red), #8F0B20);
  color: var(--color-white);
}

.page-contact .pc-channel-label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .pc-channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--color-white);
}

.page-contact .pc-channel-value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  word-break: break-all;
}

.page-contact .pc-channel-card:nth-child(3) .pc-channel-value {
  font-family: var(--font-body);
  font-size: 14px;
}

.page-contact .pc-channel-meta {
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-color);
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .pc-channel-meta li {
  position: relative;
  padding-left: 16px;
}

.page-contact .pc-channel-meta li::before {
  content: "";
  position: absolute;
  top: .62em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-red);
}

/* ===================== 服务说明 ===================== */
.page-contact .pc-service {
  position: relative;
  padding: 72px 0;
  background: linear-gradient(180deg, var(--color-carbon) 0%, #171717 100%);
}

.page-contact .pc-service::before {
  content: "";
  position: absolute;
  top: 0;
  right: 12%;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(212,175,55,.25), transparent);
  pointer-events: none;
}

.page-contact .pc-service-grid {
  display: grid;
  gap: 36px;
}

.page-contact .pc-service-copy {
  position: relative;
}

.page-contact .pc-service-copy h2 {
  margin: 8px 0 20px;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(24px, 4vw, 36px);
  color: var(--color-white);
}

.page-contact .pc-service-copy > p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-contact .pc-service-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-service-list li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-contact .pc-service-list li::before {
  content: "";
  position: absolute;
  top: .58em;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--color-red);
  transform: rotate(45deg);
}

.page-contact .pc-service-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--color-gold);
  background: rgba(212,175,55,.05);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-contact .pc-inline-link {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--speed) var(--ease);
}

.page-contact .pc-inline-link:hover {
  color: var(--color-white);
}

.page-contact .pc-service-figure {
  margin: 0;
}

.page-contact .pc-service-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-color);
}

.page-contact .pc-service-figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ===================== FAQ ===================== */
.page-contact .pc-faq {
  padding: 72px 0 64px;
  background: var(--color-carbon);
}

.page-contact .pc-faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 18px;
  margin-bottom: 32px;
}

.page-contact .pc-faq-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(24px, 4vw, 36px);
  color: var(--color-white);
}

.page-contact .pc-faq-sub {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

.page-contact .pc-faq-grid {
  display: grid;
  gap: 12px;
}

.page-contact .pc-faq-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

@media (hover: hover) {
  .page-contact .pc-faq-item:hover {
    border-color: rgba(200,16,46,.45);
    background: rgba(200,16,46,.06);
  }
}

.page-contact .pc-faq-item .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--color-gold);
}

.page-contact .pc-faq-item-text {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-contact .pc-faq-item-arrow {
  flex: none;
  font-size: 16px;
  color: var(--color-red);
  transition: transform var(--speed) var(--ease);
}

@media (hover: hover) {
  .page-contact .pc-faq-item:hover .pc-faq-item-arrow {
    transform: translateX(4px);
  }
}

/* ===================== 商务合作 ===================== */
.page-contact .pc-partner {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  background: linear-gradient(135deg, #2A0A10 0%, var(--color-black) 48%, var(--color-carbon) 100%);
}

.page-contact .pc-partner::before {
  content: "";
  position: absolute;
  bottom: -45%;
  left: -12%;
  width: 56%;
  height: 120%;
  background: var(--color-red);
  opacity: .1;
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-contact .pc-partner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(212,175,55,.12), transparent 70%);
  pointer-events: none;
}

.page-contact .pc-partner-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-contact .pc-partner .section-index {
  color: var(--color-gold);
  border-color: rgba(212,175,55,.45);
}

.page-contact .pc-partner h2 {
  margin: 10px 0 18px;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(26px, 4.4vw, 40px);
  color: var(--color-white);
}

.page-contact .pc-partner-lead {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-contact .pc-partner-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
}

.page-contact .pc-partner-email {
  font-size: 14px;
  color: var(--text-secondary);
  word-break: break-all;
}

.page-contact .pc-partner-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 56em;
}

/* ===================== 桌面断点 ===================== */
@media (min-width: 768px) {
  .page-contact .pc-hero {
    min-height: 640px;
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

  .page-contact .pc-hero-grid {
    grid-template-columns: 1.25fr .75fr;
    align-items: center;
    gap: 48px;
    margin-top: 36px;
  }

  .page-contact .pc-hero-card {
    padding: 30px 28px 26px;
  }

  .page-contact .pc-channels {
    padding: 104px 0 96px;
  }

  .page-contact .pc-channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .pc-service {
    padding: 104px 0;
  }

  .page-contact .pc-service-grid {
    grid-template-columns: 1.15fr .85fr;
    align-items: center;
    gap: 56px;
  }

  .page-contact .pc-faq {
    padding: 104px 0 96px;
  }

  .page-contact .pc-faq-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-contact .pc-partner {
    padding: 104px 0;
  }
}