/* 联系与反馈页专属样式 */
.page-contact {
  --contact-ink: #1a1412;
  --contact-ink-soft: rgba(26, 20, 18, 0.72);
  --contact-line: rgba(26, 20, 18, 0.26);
  --contact-line-light: rgba(255, 255, 255, 0.28);

  padding-top: clamp(1.5rem, 4vw, 3.25rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.04) 1px, transparent 0),
    var(--scanline);
  background-size: 26px 26px, auto;
  color: var(--text-main);
}

.page-contact .contact-wrap {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--text-sub);
}

.page-contact .crumbs a {
  color: var(--accent-yellow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.16s ease;
}

.page-contact .crumbs a:hover {
  border-color: var(--accent-yellow);
}

.page-contact .crumb-sep {
  color: rgba(245, 245, 245, 0.35);
}

.page-contact .page-top {
  position: relative;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  padding-left: clamp(1rem, 3vw, 1.5rem);
  border-left: 4px solid var(--accent-yellow);
}

.page-contact .page-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.page-contact .title-tail {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
}

.page-contact .page-lead {
  max-width: 60ch;
  margin: 0;
  color: var(--text-sub);
  font-size: var(--fs-body);
  line-height: 1.75;
}

.page-contact .section-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: var(--fs-section);
  font-weight: 600;
}

.page-contact .section-title::before {
  content: "";
  display: inline-block;
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  background-color: var(--accent-yellow);
}

.page-contact .section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  margin-left: 0.25rem;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.25), transparent);
}

.page-contact .contact-section,
.page-contact .sla-section,
.page-contact .help-section {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-card);
}

.page-contact .contact-card {
  --card-accent: var(--accent-electric);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 1.75rem 1.5rem 1.4rem;
  border: 1px solid var(--contact-line);
  border-top: 4px solid var(--card-accent);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-contact .card-phone {
  --card-accent: var(--accent-pink);
}

.page-contact .card-addr {
  --card-accent: var(--accent-gold);
}

.page-contact .card-mail {
  background-color: var(--bg-card-warm);
  color: var(--contact-ink);
}

.page-contact .card-phone {
  background-color: var(--bg-card-cream);
  color: var(--contact-ink);
}

.page-contact .card-addr {
  background-color: var(--bg-card-brown);
  color: var(--text-main);
}

.page-contact .card-index {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  opacity: 0.55;
}

.page-contact .card-icon {
  display: block;
  width: 80px;
  max-width: 100%;
  height: 80px;
  object-fit: cover;
  border: 1px solid var(--contact-line);
}

.page-contact .card-addr .card-icon {
  border-color: var(--contact-line-light);
}

.page-contact .card-title {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-card);
  line-height: 1.2;
}

.page-contact .contact-value {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.5;
  word-break: break-all;
}

.page-contact .contact-usage {
  width: 100%;
  margin: 0.25rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--contact-line);
  font-size: var(--fs-meta);
  line-height: 1.5;
}

.page-contact .card-mail .contact-usage,
.page-contact .card-phone .contact-usage {
  color: var(--contact-ink-soft);
}

.page-contact .card-addr .contact-usage {
  border-top-color: var(--contact-line-light);
  color: rgba(245, 245, 245, 0.72);
}

.page-contact .sla-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  background-color: var(--accent-green);
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(0, 0, 0, 0.06) 0px,
    rgba(0, 0, 0, 0.06) 6px,
    transparent 6px,
    transparent 12px
  );
  border: 1px solid rgba(10, 45, 28, 0.4);
  box-shadow: 0 0 18px rgba(24, 209, 126, 0.22);
}

.page-contact .sla-img {
  width: 600px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.page-contact .sla-text {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: #09211a;
  text-align: center;
  line-height: 1.6;
}

.page-contact .help-intro {
  margin: 0 0 1.25rem;
  color: var(--text-sub);
  font-size: var(--fs-body);
}

.page-contact .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-contact .help-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
  padding: 1rem 1.15rem;
  background-color: #1d1b1a;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-left: 3px solid var(--accent-yellow);
  text-decoration: none;
  color: var(--text-main);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.page-contact .help-item:hover {
  transform: translateX(4px);
  border-color: var(--accent-yellow);
  box-shadow: var(--shadow-card);
}

.page-contact .help-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
}

.page-contact .help-title {
  font-weight: 600;
  font-size: var(--fs-card);
}

.page-contact .help-desc {
  margin-left: auto;
  color: var(--text-sub);
  font-size: var(--fs-meta);
  text-align: right;
}

@media (min-width: 820px) {
  .page-contact .contact-grid {
    grid-template-columns: 1.05fr 0.9fr 1.05fr;
    gap: 1rem;
    align-items: start;
  }

  .page-contact .card-phone {
    margin-top: 0.75rem;
  }

  .page-contact .sla-banner {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 1.5rem;
  }

  .page-contact .sla-img {
    width: 320px;
    flex: 0 0 auto;
  }

  .page-contact .sla-text {
    text-align: left;
    font-size: 1.05rem;
  }

  .page-contact .help-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
  }
}