.page-contact {
  --contact-gap: clamp(20px, 3.4vw, 44px);
  --contact-radius: var(--r-lg);
}

/* ---------- 面包屑间距 ---------- */
.page-contact .breadcrumb {
  padding-top: 24px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(28px, 4vw, 56px);
}

.page-contact .contact-hero__head {
  max-width: 760px;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .contact-hero__lede {
  margin-top: 18px;
  color: var(--cloud);
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.85;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin-top: clamp(26px, 4vw, 48px);
}

.page-contact .contact-hero__visual .media {
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .contact-hero__signal {
  position: absolute;
  right: -18px;
  bottom: -34px;
  width: clamp(120px, 20vw, 200px);
  height: auto;
  color: var(--blue);
  opacity: 0.75;
  pointer-events: none;
}

/* ---------- 联络方式 非对称双栏 ---------- */
.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
}

.page-contact .contact-channel {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--contact-radius);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--blue);
}

.page-contact .contact-channel--phone::before {
  background: var(--yellow);
}

.page-contact .contact-channel--addr::before {
  background: var(--green);
}

.page-contact .contact-channel .tag {
  align-self: flex-start;
}

.page-contact .contact-channel__label {
  margin: 0;
  color: var(--cloud);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-contact .contact-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 5.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-channel__value:hover,
.page-contact .contact-channel__value:focus-visible {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-contact .contact-channel__addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.25rem);
  line-height: 1.7;
  color: var(--snow);
}

.page-contact .contact-channel__hint {
  margin: 0;
  color: var(--cloud);
  font-size: 0.875rem;
  line-height: 1.8;
}

.page-contact .contact-channel__icp {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cloud);
  opacity: 0.8;
}

.page-contact .contact-channel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 18px;
}

/* ---------- 分流面板 ---------- */
.page-contact .contact-routing__grid {
  align-items: stretch;
}

.page-contact .contact-route {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-route .panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .contact-route__index {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
}

.page-contact .contact-route p {
  margin: 0;
  color: var(--cloud);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .contact-route__eta {
  margin-top: auto !important;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.8125rem !important;
  color: var(--snow) !important;
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-partner .section__title {
  margin-top: 10px;
}

.page-contact .contact-partner__layout {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .contact-partner__media .media {
  border-radius: var(--contact-radius);
  overflow: hidden;
}

.page-contact .contact-partner__body .lede {
  margin-top: 14px;
  color: var(--cloud);
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-partner__list li {
  position: relative;
  padding-left: 22px;
  color: var(--cloud);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .contact-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yellow);
}

.page-contact .contact-partner__list strong {
  color: var(--snow);
  font-weight: 600;
}

.page-contact .contact-partner__subject {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(46, 124, 246, 0.12);
  border: 1px dashed rgba(46, 124, 246, 0.5);
}

.page-contact .contact-partner__subject-label {
  margin: 0 0 8px;
  font-size: 0.8125rem;
  color: var(--cloud);
}

.page-contact .contact-partner__subject-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--snow);
  word-break: break-all;
}

.page-contact .contact-partner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 咨询指引步骤 ---------- */
.page-contact .contact-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  counter-reset: step;
}

.page-contact .contact-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-step__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
  min-width: 1.2em;
}

.page-contact .contact-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  color: var(--snow);
  font-weight: 600;
}

.page-contact .contact-step__body p {
  margin: 0 0 12px;
  color: var(--cloud);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.page-contact .contact-step__link {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 124, 246, 0.45);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-contact .contact-step__link:hover,
.page-contact .contact-step__link:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

.page-contact .contact-steps__foot {
  margin-top: clamp(24px, 3.4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--contact-radius);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .contact-steps__foot p {
  margin: 0;
  flex: 1 1 320px;
  color: var(--cloud);
  font-size: 0.9375rem;
  line-height: 1.85;
}

/* ---------- 断点 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-channel--mail {
    grid-column: span 2;
  }

  .page-contact .contact-step {
    grid-template-columns: 72px 1fr;
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-contact .contact-channel--mail {
    grid-column: auto;
    grid-row: span 2;
    justify-content: center;
  }

  .page-contact .contact-partner__layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-contact .contact-partner__media {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-contact .contact-hero__signal {
    right: 24px;
    bottom: -20px;
  }

  .page-contact .contact-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 36px);
  }

  .page-contact .contact-step {
    grid-template-columns: 1fr;
    gap: 12px;
    border-bottom: 1px solid var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel__value,
  .page-contact .contact-step__link {
    transition: none;
  }
}