.page-contact {
  --pc-line-soft: rgba(42, 59, 92, 0.6);
  --pc-card-gap: clamp(16px, 2.4vw, 28px);
  --pc-card-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
}

.page-contact .breadcrumbs {
  position: absolute;
  top: calc(var(--header-h) + 8px);
  left: var(--gutter);
  right: var(--gutter);
  z-index: 4;
  margin: 0 auto;
  max-width: var(--max-w);
}

/* ---------- 首屏封面 ---------- */
.pc-hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 32px) var(--gutter) clamp(36px, 6vw, 72px);
  color: var(--color-text);
  isolation: isolate;
  overflow: hidden;
}
.pc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.pc-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(8, 18, 40, 0.92) 0%, rgba(10, 25, 47, 0.72) 48%, rgba(10, 25, 47, 0.35) 100%),
    linear-gradient(180deg, rgba(10, 25, 47, 0.2) 0%, rgba(10, 25, 47, 0.4) 70%, rgba(10, 25, 47, 0.94) 100%);
}
.pc-hero__content {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
}
.pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-bottom: 28px;
}
.pc-hero__meta-item {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  background: rgba(0, 255, 157, 0.06);
  border: 1px solid var(--color-line);
  padding: 4px 10px;
}
.pc-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--color-cyan);
  text-transform: uppercase;
}
.pc-hero h1 {
  margin: 0 0 18px;
  max-width: 15em;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.28);
}
.pc-hero__lead {
  margin: 0 0 32px;
  max-width: 46em;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  line-height: 1.75;
  color: var(--color-muted);
}
.pc-hero__banner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.pc-hero__banner-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: rgba(10, 25, 47, 0.92);
  border: 2px solid var(--color-accent);
  box-shadow: var(--pc-card-shadow);
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
}
.pc-hero__banner-item:hover,
.pc-hero__banner-item:focus-visible {
  background: rgba(0, 255, 157, 0.1);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.32);
}
.pc-hero__banner-item:nth-child(2) {
  border-color: var(--color-cyan);
}
.pc-hero__banner-item:nth-child(2):hover,
.pc-hero__banner-item:nth-child(2):focus-visible {
  background: rgba(0, 229, 255, 0.08);
}
.pc-hero__banner-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.pc-hero__banner-value {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: #ffffff;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

/* ---------- 公共标题 ---------- */
.pc-section-head {
  max-width: 680px;
  margin-bottom: clamp(28px, 5vw, 44px);
}

/* ---------- 联系方式 ---------- */
.pc-details {
  border-top: 2px solid var(--color-line);
  border-bottom: 2px solid var(--color-line);
  background: linear-gradient(180deg, #09162b 0%, var(--color-bg) 100%);
}
.pc-details__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-card-gap);
}
.pc-details-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 24px;
  background: rgba(9, 20, 42, 0.94);
  border: 2px solid var(--color-line);
  box-shadow: var(--pc-card-shadow);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease, background 0.22s ease;
}
.pc-details-card:hover,
.pc-details-card:focus-within {
  border-color: var(--color-accent);
  background: rgba(12, 26, 52, 1);
  transform: translateY(-3px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.3);
}
.pc-details-card--address,
.pc-details-card--address:hover,
.pc-details-card--address:focus-within {
  border-color: var(--color-orange);
}
.pc-details-card__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  display: inline-block;
  padding: 5px 10px;
  margin-bottom: 18px;
  border: 1px solid var(--color-line);
  background: rgba(0, 255, 157, 0.05);
}
.pc-details-card--address .pc-details-card__index {
  color: var(--color-orange);
  background: rgba(255, 110, 48, 0.06);
}
.pc-details-card__label {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.06rem;
  color: #ffffff;
}
.pc-details-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.5;
  color: #ffffff;
  overflow-wrap: anywhere;
}
.pc-details-card__value a {
  color: inherit;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}
.pc-details-card__value a:hover,
.pc-details-card__value a:focus-visible {
  color: var(--color-accent);
}
.pc-details-card__note {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line-soft);
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--color-muted);
}

/* ---------- 服务说明 ---------- */
.pc-service {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-line);
}
.pc-service .grid--aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.pc-service__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line);
}
.pc-service__list li {
  position: relative;
  padding: 15px 0 15px 32px;
  border-bottom: 1px solid var(--pc-line-soft);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}
.pc-service__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 12px;
  height: 2px;
  background: var(--color-accent);
}
.pc-service-panel {
  position: relative;
  background: var(--color-panel);
}
.pc-service-panel__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--pc-line-soft);
}
.pc-service-panel__row:last-child {
  border-bottom: 0;
}
.pc-service-panel__key {
  font-size: 0.82rem;
  color: var(--color-muted);
}
.pc-service-panel__val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #ffffff;
  text-align: right;
}

/* ---------- 位置示意 ---------- */
.pc-location {
  background:
    radial-gradient(ellipse at 80% 12%, rgba(0, 229, 255, 0.08) 0%, transparent 46%),
    linear-gradient(180deg, #0A192F 0%, #111C32 60%, #0A192F 100%);
  border-bottom: 2px solid var(--color-line);
}
.pc-location__address {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.9rem);
  line-height: 1.5;
  color: #ffffff;
  background: rgba(0, 255, 157, 0.05);
  border-left: 4px solid var(--color-accent);
  padding: 20px 22px;
  box-shadow: var(--pc-card-shadow);
  margin-top: 22px;
}
.pc-location__map {
  position: relative;
  margin-top: clamp(26px, 5vw, 44px);
  border: 2px solid var(--color-line);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.35);
  overflow: hidden;
  background: #101a2d;
}
.pc-location__map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.18) 0%, transparent 32%, transparent 70%, rgba(10, 25, 47, 0.42) 100%);
  pointer-events: none;
}
.pc-location__map-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  filter: saturate(0.82) contrast(1.08);
}
.pc-location__pin {
  position: absolute;
  left: 50%;
  top: 45%;
  transform: translate(-50%, -50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.pc-location__pin-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 4px solid #05101f;
  box-shadow: 0 0 0 4px rgba(0, 255, 157, 0.42), 0 0 22px rgba(0, 255, 157, 0.6);
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.pc-location__pin-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #ffffff;
  background: rgba(9, 20, 42, 0.94);
  border: 1px solid var(--color-accent);
  padding: 7px 12px;
  white-space: nowrap;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.3);
  transition: border-color 0.22s ease, color 0.22s ease, transform 0.22s ease;
}
.pc-location__map:hover .pc-location__pin-label,
.pc-location__map:focus-within .pc-location__pin-label {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  transform: translateY(-2px);
}
.pc-location__routes {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pc-location__routes .tag {
  background: rgba(10, 25, 47, 0.92);
  border: 1px solid var(--color-line);
}
.pc-location__note {
  text-align: center;
  margin: 22px 0 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------- 其他帮助 ---------- */
.pc-help {
  background: var(--color-bg);
}
.pc-help__top {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: clamp(24px, 4vw, 36px);
}
.pc-help__top .btn {
  align-self: flex-start;
}
.pc-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-card-gap);
}
.pc-help-card {
  --card-edge: var(--color-accent);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  min-height: 176px;
  background: rgba(13, 24, 48, 0.82);
  border: 2px solid var(--color-line);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.25);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, transform 0.22s ease;
}
.pc-help-card:hover,
.pc-help-card:focus-visible {
  border-color: var(--card-edge);
  background: rgba(16, 30, 58, 0.95);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}
.pc-help-card--support {
  --card-edge: var(--color-cyan);
}
.pc-help-card--brand {
  --card-edge: var(--color-violet);
}
.pc-help-card--privacy {
  --card-edge: var(--color-orange);
}
.pc-help-card--notice {
  --card-edge: var(--color-accent);
}
.pc-help-card__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--card-edge);
}
.pc-help-card__title {
  font-family: var(--font-sans);
  font-size: 1.12rem;
  font-weight: 600;
  color: #ffffff;
}
.pc-help-card__desc {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--color-muted);
}
.pc-help-card__arrow {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--card-edge);
}

/* ---------- 桌面端强化 ---------- */
@media (min-width: 640px) {
  .pc-help__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 720px) {
  .pc-hero__banner {
    grid-template-columns: 1fr 1fr;
  }
  .pc-help__top {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .pc-help__top .btn {
    flex-shrink: 0;
  }
}

@media (min-width: 820px) {
  .pc-details__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 980px) {
  .pc-service .grid--aside {
    grid-template-columns: 2fr 1fr;
    gap: clamp(36px, 5vw, 64px);
  }
  .pc-service-panel {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (min-width: 1080px) {
  .pc-help__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .pc-location__pin-label {
    font-size: 0.84rem;
  }
}

@media (max-width: 640px) {
  .pc-location__pin-label {
    white-space: normal;
    max-width: 62vw;
    text-align: center;
  }
}