.page-contact {
  --ct-accent: var(--accent-lime);
  --ct-glow: rgba(182, 255, 60, 0.16);
  --ct-sla-opacity: 0.72;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .mono {
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑留白 ---------- */
.page-contact .breadcrumb {
  padding-top: 18px;
}

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

.page-contact .contact-hero__inner {
  display: grid;
  gap: 28px;
  padding-top: 10px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.022em;
  margin: 0.3em 0 0.45em;
  color: var(--text-main);
}

.page-contact .contact-hero__lead .lede {
  max-width: 34em;
}

.page-contact .contact-hero__lead .note {
  margin-top: 16px;
  max-width: 36em;
}

.page-contact .contact-hero__panel {
  position: relative;
  overflow: hidden;
  padding: 20px 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(182, 255, 60, 0.07), rgba(182, 255, 60, 0) 58%),
    var(--bg-graphite);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-hero__panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(47, 224, 255, 0.24), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero__panel-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .sla {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-contact .sla li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--bg-carbon);
}

.page-contact .sla__name {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-soft);
}

.page-contact .sla__value {
  justify-self: end;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.98rem;
  color: var(--accent-lime);
}

.page-contact .sla__desc {
  grid-column: 1 / -1;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.page-contact .contact-hero__panel-foot {
  position: relative;
  margin: 16px 0 0;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- 顶部横幅 ---------- */
.page-contact .contact-banner {
  position: relative;
  margin: 30px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}

.page-contact .contact-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 7, 10, 0.9), rgba(5, 7, 10, 0.12) 58%, rgba(5, 7, 10, 0.78));
  pointer-events: none;
}

/* ---------- 渠道分流与工单清单 ---------- */
.page-contact .routing {
  padding-top: 52px;
}

.page-contact .routing__inner {
  display: grid;
  gap: 40px;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 5.6vw, 2.05rem);
  line-height: 1.24;
  letter-spacing: -0.016em;
  margin: 0 0 0.55em;
  color: var(--text-main);
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.4;
  margin: 0 0 0.5em;
  color: var(--text-main);
}

.page-contact .routing__channels .note {
  margin: 0 0 20px;
}

/* 渠道卡 */
.page-contact .channel {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-carbon);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .channel--lime {
  --ct-accent: var(--accent-lime);
  --ct-glow: rgba(182, 255, 60, 0.16);
}

.page-contact .channel--blue {
  --ct-accent: var(--accent-blue);
  --ct-glow: rgba(47, 224, 255, 0.16);
}

.page-contact .channel--orange {
  --ct-accent: var(--accent-orange);
  --ct-glow: rgba(255, 122, 26, 0.16);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-contact .channel[open] {
  border-left: 3px solid var(--ct-accent);
}

.page-contact .channel summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .channel summary::-webkit-details-marker {
  display: none;
}

.page-contact .channel summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--ct-accent);
  box-shadow: 0 0 0 4px var(--ct-glow);
}

.page-contact .channel summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--text-muted);
  transition: color 180ms var(--ease);
}

.page-contact .channel[open] summary::after {
  content: "－";
  color: var(--ct-accent);
}

.page-contact .channel__name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-contact .channel__sla {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.74rem;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  color: var(--ct-accent);
  opacity: var(--ct-sla-opacity);
  transition: opacity 180ms var(--ease), border-color 180ms var(--ease);
  white-space: nowrap;
}

.page-contact .channel:hover .channel__sla,
.page-contact .channel[open] .channel__sla {
  opacity: 1;
  border-color: var(--ct-accent);
}

.page-contact .channel__body {
  padding: 0 16px 16px 16px;
}

.page-contact .channel__body p {
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .channel__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-contact .channel__body li {
  position: relative;
  padding-left: 16px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .channel__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ct-accent);
}

/* 工单要点清单 */
.page-contact .routing__checklist .note {
  margin: 0 0 18px;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .checklist li {
  position: relative;
  padding: 16px 0 16px 26px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 5px;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--accent-lime);
  box-shadow: 0 0 0 3px rgba(182, 255, 60, 0.14);
  transition: box-shadow 180ms var(--ease);
}

.page-contact .checklist li:hover::before {
  box-shadow: 0 0 0 6px rgba(182, 255, 60, 0.2);
}

.page-contact .checklist strong {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-contact .checklist span {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .routing__checklist > .note:last-child {
  margin: 18px 0 0;
}

/* ---------- 数据纠错流程 ---------- */
.page-contact .correct__head {
  max-width: 46em;
  margin-bottom: 30px;
}

.page-contact .correct__head .lede {
  margin-bottom: 0;
}

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

.page-contact .step {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-carbon);
  overflow: hidden;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .step::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-lime), rgba(182, 255, 60, 0));
}

.page-contact .step:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-contact .step__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--accent-lime);
}

.page-contact .step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 会员与权益 ---------- */
.page-contact .membership__inner {
  display: grid;
  gap: 30px;
}

.page-contact .membership__lead p {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .membership__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .membership__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .membership__list li {
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--accent-blue);
  background: linear-gradient(90deg, rgba(47, 224, 255, 0.07), rgba(47, 224, 255, 0) 62%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .membership__tag {
  display: block;
  margin-bottom: 4px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-blue);
}

.page-contact .membership__list p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .coop__head {
  max-width: 48em;
  margin-bottom: 28px;
}

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

.page-contact .coop__grid {
  display: grid;
  gap: 16px;
}

.page-contact .coop-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-graphite);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .coop-card--lime {
  --ct-accent: var(--accent-lime);
  --ct-glow: rgba(182, 255, 60, 0.16);
}

.page-contact .coop-card--blue {
  --ct-accent: var(--accent-blue);
  --ct-glow: rgba(47, 224, 255, 0.16);
}

.page-contact .coop-card--orange {
  --ct-accent: var(--accent-orange);
  --ct-glow: rgba(255, 122, 26, 0.16);
}

.page-contact .coop-card:hover {
  transform: translateY(-3px);
  border-color: var(--ct-accent);
  box-shadow: var(--shadow-card);
}

.page-contact .coop-card .chip {
  justify-self: start;
  border-color: var(--ct-accent);
  color: var(--ct-accent);
}

.page-contact .coop-card h3 {
  margin: 0;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .coop-card__meta {
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
}

.page-contact .coop__note {
  margin: 22px 0 0;
  max-width: 62em;
}

.page-contact .coop__note a,
.page-contact .reach__text .note a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .coop__note a:hover,
.page-contact .reach__text .note a:hover {
  color: var(--accent-lime);
}

/* ---------- 联系方式与服务地区 ---------- */
.page-contact .reach {
  padding-bottom: 72px;
}

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

.page-contact .reach__text > p {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .reach__list {
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reach__row {
  display: grid;
  grid-template-columns: 5.2em 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reach__row dt {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.page-contact .reach__row dd {
  margin: 0;
  font-size: 0.94rem;
  color: var(--text-main);
  word-break: break-word;
}

.page-contact .reach__row dd.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

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

.page-contact .reach__map {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-carbon);
}

.page-contact .reach__map img {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  opacity: 0.9;
}

.page-contact .reach__map figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__inner {
    gap: 34px;
  }

  .page-contact .steps,
  .page-contact .coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .checklist li {
    grid-template-columns: 8.5em 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .checklist li::before {
    top: 24px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 58fr) minmax(0, 42fr);
    gap: 56px;
    align-items: center;
    padding-top: 26px;
  }

  .page-contact .contact-hero {
    padding-top: 18px;
  }

  .page-contact .routing {
    padding-top: 76px;
  }

  .page-contact .routing__inner {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .membership__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .reach__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 58px;
    align-items: center;
  }

  .page-contact .reach {
    padding-bottom: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .step,
  .page-contact .coop-card,
  .page-contact .channel__sla,
  .page-contact .checklist li::before {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .step:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}