.page-contact {
  --contact-gap: 20px;
  --contact-line: var(--steel-soft);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin: 22px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 10px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.6vw, 4.4rem);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 12px 0 20px;
}

.page-contact .contact-hero__intro {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--silver);
  max-width: 58ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.page-contact .contact-hero__meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-hero__meta .coord {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* ---------- 渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
}

.page-contact .contact-channels__lead {
  color: var(--silver);
  line-height: 1.85;
  max-width: 62ch;
  margin-top: 14px;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 32px;
  margin-top: 34px;
}

.page-contact .contact-channels__stack {
  position: relative;
  display: grid;
  gap: var(--contact-gap);
  padding-left: 18px;
  padding-right: 18px;
}

.page-contact .contact-channels__media {
  position: absolute;
  right: -30px;
  bottom: -24px;
  width: min(460px, 78%);
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-channels__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-contact .contact-card {
  position: relative;
  z-index: 1;
  padding: 22px 20px;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 18px 38px rgba(5, 14, 27, 0.55);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .contact-card__coord {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .contact-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 8px;
}

.page-contact .contact-card__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.6vw, 1.28rem);
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 0 0 12px;
  word-break: break-word;
  line-height: 1.5;
}

.page-contact .contact-card__desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--silver);
  margin: 0;
  max-width: 46ch;
}

.page-contact .contact-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-card__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--silver);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  padding: 24px 20px;
  align-self: start;
}

.page-contact .contact-prep__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.4;
  color: var(--white);
  margin: 0 0 20px;
}

.page-contact .contact-prep__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-prep__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .contact-prep__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--red);
  padding-top: 4px;
}

.page-contact .contact-prep__list strong {
  display: block;
  font-size: 0.95rem;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 4px;
}

.page-contact .contact-prep__list p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 响应时效 ---------- */
.page-contact .contact-sla__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .contact-sla__list li {
  display: grid;
  grid-template-columns: minmax(72px, auto) 1fr;
  gap: 18px;
  align-items: start;
  padding: 24px 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-sla__list li:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-sla__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5.5vw, 2.4rem);
  letter-spacing: 0.02em;
  color: var(--cyan);
  line-height: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-sla__unit {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--silver);
}

.page-contact .contact-sla__list h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.page-contact .contact-sla__list p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--silver);
  max-width: 64ch;
}

.page-contact .contact-sla__note {
  margin: 26px 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--red);
  background: rgba(18, 41, 74, 0.55);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-record__band {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .contact-record__cell {
  background: var(--ink-800);
  padding: 20px;
}

.page-contact .contact-record__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-contact .contact-record__value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--white);
  margin: 0;
  word-break: break-word;
}

.page-contact .contact-record__note {
  margin: 20px 0 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--silver);
  max-width: 68ch;
}

.page-contact .contact-record__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-record__links a {
  font-size: 0.9rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-contact .contact-record__links a:hover {
  color: var(--white);
  border-bottom-color: var(--red);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .contact-hero__visual {
    margin-top: 28px;
  }

  .page-contact .contact-record__band {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .page-contact .contact-channels__stack {
    padding-left: 24px;
    padding-right: 48px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-contact .contact-prep {
    margin-top: 44px;
  }

  .page-contact .contact-card--mail {
    position: relative;
    left: 0;
  }

  .page-contact .contact-card--phone {
    position: relative;
    left: 32px;
    margin-right: 32px;
  }

  .page-contact .contact-card--addr {
    position: relative;
    left: -16px;
    margin-right: 16px;
  }

  .page-contact .contact-card {
    padding: 26px 26px;
  }

  .page-contact .contact-sla__list li {
    grid-template-columns: 150px 1fr;
    gap: 34px;
    padding: 28px 0;
  }

  .page-contact .contact-record__cell {
    padding: 24px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-record__links a {
    transition: none;
  }

  .page-contact .contact-card:hover {
    transform: none;
  }
}