.page-contact {
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-contact .mono-inline {
  font-family: var(--font-mono);
  color: var(--text-strong);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(20px, 3.4vw, 44px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: min(520px, 72vw);
  height: min(520px, 72vw);
  background:
    radial-gradient(circle at 62% 38%, rgba(53, 230, 210, .20), transparent 62%),
    radial-gradient(circle at 28% 72%, rgba(240, 71, 140, .16), transparent 66%);
  filter: blur(22px);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 14px 0 16px;
  font-size: clamp(1.75rem, 5.4vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--text-strong);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  max-width: 62ch;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.75;
  color: var(--text-body);
  margin: 0 0 22px;
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__media {
  margin: 0;
}

/* ---------- 联络卡片 ---------- */

.page-contact .contact-channels {
  margin-top: clamp(48px, 7vw, 96px);
}

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

.page-contact .channel-card {
  position: relative;
  background: var(--surface);
  border: 2px solid var(--outline);
  box-shadow: var(--hard-shadow-sm);
  padding: 26px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .channel-card__bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--accent-cyan);
}

.page-contact .channel-card--mail .channel-card__bar { background: var(--accent-cyan); }
.page-contact .channel-card--phone .channel-card__bar { background: var(--accent-magenta); }
.page-contact .channel-card--addr .channel-card__bar { background: var(--gold); }

.page-contact .channel-card__kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.page-contact .channel-card__name {
  margin: 0;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text-strong);
  word-break: break-word;
}

.page-contact .channel-card--mail .channel-card__name,
.page-contact .channel-card--phone .channel-card__name {
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.4vw, 1.34rem);
  color: var(--accent-cyan);
}

.page-contact .channel-card--addr .channel-card__name {
  font-size: clamp(.98rem, 1.9vw, 1.16rem);
  line-height: 1.6;
  color: var(--text-strong);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text-body);
}

.page-contact .channel-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 6px;
}

.page-contact .copy-status {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--status-ok);
  min-height: 1em;
}

/* ---------- 工单流程 ---------- */

.page-contact .ticket-flow {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-contact .ticket-flow__media {
  margin: 0 0 clamp(28px, 4vw, 48px);
}

.page-contact .step-band {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  counter-reset: none;
}

.page-contact .step-band__item {
  position: relative;
  background: var(--surface);
  border: 2px solid var(--outline);
  padding: 22px 20px 20px;
  box-shadow: var(--hard-shadow-sm);
}

.page-contact .step-band__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ink);
  background: var(--accent-cyan);
  padding: 3px 9px;
  margin-bottom: 12px;
}

.page-contact .step-band__item:nth-child(2) .step-band__no { background: var(--gold); }
.page-contact .step-band__item:nth-child(3) .step-band__no { background: var(--accent-magenta); color: var(--text-strong); }
.page-contact .step-band__item:nth-child(4) .step-band__no { background: var(--status-ok); }

.page-contact .step-band__title {
  margin: 0 0 8px;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-contact .step-band__desc {
  margin: 0 0 10px;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--text-body);
}

.page-contact .step-band__hint {
  margin: 0;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--text-muted);
  border-left: 2px solid var(--outline);
  padding-left: 10px;
  opacity: .6;
  transition: opacity .25s ease, border-color .25s ease, color .25s ease;
}

.page-contact .step-band__item:hover .step-band__hint,
.page-contact .step-band__item:focus-within .step-band__hint {
  opacity: 1;
  border-color: var(--accent-cyan);
  color: var(--text-body);
}

/* ---------- 响应时段 ---------- */

.page-contact .hours {
  margin-top: clamp(52px, 8vw, 104px);
}

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

.page-contact .hours-block {
  background: var(--surface);
  border: 1px solid var(--outline);
  border-left: 4px solid var(--outline);
  padding: 22px 20px;
}

.page-contact .hours-block--lead {
  background: var(--surface-archive);
  border-left-color: var(--accent-cyan);
}

.page-contact .hours-block__label {
  margin: 0 0 10px;
  color: var(--text-muted);
}

.page-contact .hours-block__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.85rem, 6vw, 2.6rem);
  line-height: 1.05;
  color: var(--text-strong);
  letter-spacing: -.01em;
}

.page-contact .hours-block__dash {
  color: var(--accent-cyan);
  padding: 0 2px;
}

.page-contact .hours-block__unit {
  font-size: .42em;
  margin-left: 8px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .hours-block__note {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text-body);
}

.page-contact .hours-fineprint {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 68ch;
  border-top: 1px dashed var(--outline);
  padding-top: 18px;
}

/* ---------- 合作洽谈 ---------- */

.page-contact .coop {
  margin-top: clamp(52px, 8vw, 104px);
}

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

.page-contact .coop-card {
  background: var(--surface);
  border: 2px solid var(--outline);
  box-shadow: var(--hard-shadow-sm);
  padding: 24px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.page-contact .coop-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--accent-cyan);
  box-shadow: var(--hard-shadow);
}

.page-contact .coop-card__tag {
  align-self: flex-start;
  margin: 0;
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: 1.16rem;
  letter-spacing: -.01em;
  color: var(--text-strong);
}

.page-contact .coop-card__desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--text-body);
}

.page-contact .coop-card__step {
  margin: 0;
  margin-top: auto;
  font-size: .86rem;
  line-height: 1.65;
  color: var(--gold);
  border-top: 1px solid var(--outline);
  padding-top: 12px;
}

.page-contact .coop-cta {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-body);
  max-width: 70ch;
  background: var(--surface);
  border-left: 3px solid var(--gold);
  padding: 16px 18px;
}

/* ---------- 自助分流 ---------- */

.page-contact .triage {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-contact .triage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .triage-list__item {
  background: var(--surface);
  border: 1px solid var(--outline);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: border-color .25s ease, background-color .25s ease;
}

.page-contact .triage-list__item:hover {
  border-color: var(--accent-cyan);
}

.page-contact .triage-list__q {
  margin: 0;
  font-size: .96rem;
  line-height: 1.6;
  color: var(--text-strong);
  flex: 1 1 260px;
}

.page-contact .triage-list__link {
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .06em;
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, .4);
  padding-bottom: 2px;
  white-space: nowrap;
}

.page-contact .triage-list__link:hover,
.page-contact .triage-list__link:focus-visible {
  border-bottom-color: var(--accent-magenta);
  color: var(--accent-magenta);
}

/* ---------- 规则摘要卡 ---------- */

.page-contact .contact-rulecard {
  margin-top: clamp(48px, 7vw, 96px);
  border-left: 5px solid var(--gold);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .channel-stack {
    grid-template-columns: 5fr 3fr 4fr;
    align-items: start;
  }

  .page-contact .channel-card--mail { padding-bottom: 30px; }
  .page-contact .channel-card--phone { padding-bottom: 24px; }
  .page-contact .channel-card--addr { padding-bottom: 34px; }

  .page-contact .step-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .step-band__item::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -18px;
    width: 18px;
    border-top: 2px dashed var(--outline);
    display: block;
  }

  .page-contact .step-band__item:nth-child(2)::after,
  .page-contact .step-band__item:nth-child(4)::after {
    display: none;
  }

  .page-contact .hours-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .triage-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 56px;
  }

  .page-contact .contact-hero__title {
    max-width: 17ch;
  }

  .page-contact .step-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .step-band__item::after {
    top: 50px;
    right: -24px;
    width: 24px;
  }

  .page-contact .step-band__item:nth-child(2)::after {
    display: block;
  }

  .page-contact .coop-card {
    padding: 28px 24px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .step-band__hint,
  .page-contact .triage-list__item {
    transition: none !important;
  }

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