/* ===== 联系页 · 名片式极简排版 ===== */
.page-contact {
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(57, 255, 20, 0.045), transparent 55%),
    linear-gradient(rgba(232, 241, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 241, 255, 0.025) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  padding-bottom: 6rem;
}

.page-contact .container--narrow {
  max-width: 860px;
}

.page-contact .breadcrumb {
  padding-top: 1.5rem;
}

.page-contact .contact-masthead {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.page-contact .kicker {
  margin: 0 0 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-contact .contact-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  line-height: 1.12;
  color: var(--c-text);
  text-wrap: balance;
}

.page-contact .contact-lede {
  margin: 0 auto;
  max-width: 42em;
  color: var(--c-text-dim);
  line-height: 1.8;
}

.page-contact .contact-lines {
  padding: 1rem 0 3rem;
}

.page-contact .contact-card {
  position: relative;
  background-color: var(--c-panel);
  border: 1px solid rgba(232, 241, 255, 0.08);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 3px solid var(--c-accent);
  border-left: 3px solid var(--c-accent);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  border-right: 3px solid var(--c-cta);
  border-bottom: 3px solid var(--c-cta);
}

.page-contact .contact-card:hover {
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 10px 30px rgba(7, 18, 38, 0.45);
  transform: translateY(-2px);
}

.page-contact .contact-card--email {
  border-left: 3px solid var(--c-accent);
}

.page-contact .contact-card--phone {
  border-left: 3px solid var(--c-cta);
}

.page-contact .contact-card--address {
  border-left: 3px solid var(--c-cta-soft);
}

.page-contact .contact-card .paper-label {
  display: inline-block;
  margin-bottom: 1rem;
}

.page-contact .contact-value {
  display: block;
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 4vw, 1.9rem);
  font-weight: 600;
  word-break: break-all;
  color: var(--c-text);
}

.page-contact .contact-value--link {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.page-contact .contact-value--link:hover {
  color: var(--c-text);
  border-bottom-color: var(--c-accent);
  background-color: rgba(57, 255, 20, 0.05);
}

.page-contact .contact-value--phone {
  color: var(--c-cta);
}

.page-contact .contact-value--phone:hover {
  color: var(--c-text);
  border-bottom-color: var(--c-cta);
  background-color: rgba(255, 107, 53, 0.05);
}

.page-contact .contact-value--address {
  color: var(--c-text);
}

.page-contact .contact-note {
  max-width: 42em;
  margin: 0 auto;
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-contact .contact-address-wrap {
  display: grid;
  gap: 1.5rem;
}

.page-contact .contact-address-text {
  text-align: center;
}

.page-contact .contact-figure {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid rgba(232, 241, 255, 0.1);
  background-color: var(--c-bg-deep);
  border-radius: var(--radius);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-figure--map img {
  aspect-ratio: 2 / 1;
}

.page-contact .gradient-line {
  margin: 2rem 0 3rem;
}

.page-contact .contact-reply {
  padding: 0 0 3rem;
}

.page-contact .contact-section-title {
  margin: 0 0 2rem;
  text-align: center;
}

.page-contact .reply-progress {
  display: grid;
  gap: 0.9rem;
}

.page-contact .reply-step {
  position: relative;
  padding: 0.9rem 1rem 0.9rem 2.5rem;
  background-color: rgba(15, 42, 78, 0.5);
  border-left: 2px solid var(--c-cta);
}

.page-contact .reply-step--send {
  border-left-color: var(--c-accent);
}

.page-contact .reply-step--ack {
  border-left-color: var(--c-cta);
}

.page-contact .reply-step--answer {
  border-left-color: var(--c-accent);
}

.page-contact .reply-dot {
  position: absolute;
  top: 1.05rem;
  left: -0.5rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background-color: var(--c-cta);
  border: 2px solid var(--c-bg);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.45);
}

.page-contact .reply-step--send .reply-dot {
  background-color: var(--c-accent);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.45);
}

.page-contact .reply-step--ack .reply-dot {
  background-color: var(--c-cta);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.45);
}

.page-contact .reply-step--answer .reply-dot {
  background-color: var(--c-accent);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.45);
}

.page-contact .reply-step-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--c-text);
}

.page-contact .reply-step-desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-text-dim);
}

.page-contact .contact-visual {
  padding: 0 0 3.5rem;
}

.page-contact .contact-figure--banner {
  max-width: 840px;
  margin: 0 auto;
}

.page-contact .contact-figure--banner img {
  aspect-ratio: 4 / 3;
}

.page-contact .contact-help {
  padding: 1rem 0 0;
  text-align: center;
}

.page-contact .contact-help .lede {
  max-width: 48em;
  margin: 0 auto 1.75rem;
}

.page-contact .contact-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .page-contact .breadcrumb {
    padding-top: 2rem;
  }

  .page-contact .contact-masthead {
    padding: 6rem 0 4.5rem;
  }

  .page-contact .contact-card {
    padding: 2.75rem 3.25rem;
    text-align: left;
  }

  .page-contact .contact-card .contact-note {
    margin: 0;
  }

  .page-contact .contact-address-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 2.5rem;
  }

  .page-contact .contact-address-text {
    text-align: left;
  }

  .page-contact .contact-address-text .contact-note {
    margin: 0;
  }

  .page-contact .reply-progress {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-contact .reply-step {
    border-left: 0;
    border-top: 2px solid var(--c-cta);
    padding: 1.5rem 1rem 0;
    background: transparent;
    text-align: left;
  }

  .page-contact .reply-step--send,
  .page-contact .reply-step--answer {
    border-top-color: var(--c-accent);
  }

  .page-contact .reply-step--ack {
    border-top-color: var(--c-cta);
  }

  .page-contact .reply-dot {
    left: 1rem;
    top: -0.5rem;
  }

  .page-contact .contact-visual {
    padding-bottom: 4.5rem;
  }
}