.page-contact {
  --contact-line: 2px solid var(--ink-700);
  --contact-line-strong: 2px solid var(--cyan);
  --contact-lift: 12px 12px 0 rgba(3, 12, 22, 0.6);
  --contact-inset: clamp(18px, 3vw, 32px);
  color: var(--snow);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .contact-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(40px, 7vw, 88px);
}

.page-contact .contact-hero__kicker {
  display: inline-block;
  border: 1px solid var(--ink-700);
  padding: 6px 10px;
  color: var(--cyan);
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-contact .contact-hero__title {
  font-size: clamp(2.4rem, 8vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 900;
  color: var(--snow);
  margin: 0 0 clamp(18px, 3vw, 30px);
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  font-size: clamp(1rem, 2.1vw, 1.15rem);
  line-height: 1.75;
  color: var(--gray);
  max-width: 38ch;
  margin: 0 0 clamp(28px, 4vw, 46px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: var(--contact-line);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(1.05);
}

/* ---------- 区块通用 ---------- */
.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-contact .section-title {
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--snow);
  margin: 0;
}

.page-contact .coord {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border: 1px solid var(--ink-700);
  padding: 4px 8px;
  flex: none;
}

.page-contact .prose {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--gray);
  max-width: 38ch;
  margin: 0 0 20px;
}

/* ---------- 01 三张入口卡片 ---------- */
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3.4vw, 32px);
  background: var(--ink-800);
  border: var(--contact-line);
  box-shadow: var(--shadow-hard);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translate(-4px, -4px);
  box-shadow: var(--contact-lift);
  background: var(--ink-700);
}

.page-contact .channel-card--phone {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-contact .channel-card--visit {
  background: linear-gradient(160deg, var(--ink-800) 62%, var(--indigo) 62%);
}

.page-contact .channel-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  flex: none;
}

.page-contact .channel-card__label {
  margin: 4px 0 0;
  color: var(--gray);
}

.page-contact .channel-card__name {
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--snow);
  margin: 0;
}

.page-contact .channel-card__desc {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--gray);
  margin: 0;
}

.page-contact .channel-card__value {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--ink-700);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(0.9rem, 2.2vw, 1rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel-card--visit .channel-card__value {
  font-family: var(--font-sans);
  color: var(--snow);
}

.page-contact .channel-card__foot {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--gray);
  margin: 0;
}

/* ---------- 02 问题类型对照 ---------- */
.page-contact .routing-block {
  border: var(--contact-line);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-contact .routing-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: var(--contact-line);
}

.page-contact .routing-tab {
  flex: 1 1 auto;
  min-height: 48px;
  min-width: 44px;
  padding: 12px 18px;
  background: transparent;
  border: 0;
  border-right: var(--contact-line);
  color: var(--gray);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-contact .routing-tab:last-child {
  border-right: 0;
}

.page-contact .routing-tab:hover {
  color: var(--snow);
  background: var(--ink-700);
}

.page-contact .routing-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-contact .routing-tab.is-active {
  background: var(--cyan);
  color: var(--ink-900);
}

.page-contact .routing-panel {
  padding: clamp(18px, 3vw, 30px);
}

.page-contact .routing-panel[hidden] {
  display: none;
}

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

.page-contact .route-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .route-row:last-child {
  border-bottom: 0;
}

.page-contact .route-row__topic {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .route-row__detail {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 03 联系前的准备 ---------- */
.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .prepare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
  border-top: var(--contact-line);
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: var(--contact-line);
}

.page-contact .prepare-item__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .prepare-item__title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--snow);
  margin: 0 0 6px;
}

.page-contact .prepare-item__text {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

/* ---------- 04 到访 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .visit-figure {
  margin: 0;
  border: var(--contact-line);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .visit-address {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--snow);
  border-left: 3px solid var(--cyan);
  padding: 8px 0 8px 14px;
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-contact .visit-details {
  border: var(--contact-line);
  background: var(--ink-800);
}

.page-contact .visit-details summary {
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--cyan);
  min-height: 48px;
  display: flex;
  align-items: center;
}

.page-contact .visit-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-contact .visit-details__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--ink-700);
}

.page-contact .visit-details__body p {
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--gray);
  margin: 14px 0 0;
}

/* ---------- 05 客服时段 ---------- */
.page-contact .hours-band {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--contact-line);
  background: var(--ink-800);
}

.page-contact .hours-cell {
  padding: clamp(20px, 3vw, 28px);
  border-bottom: var(--contact-line);
}

.page-contact .hours-cell:last-child {
  border-bottom: 0;
}

.page-contact .hours-cell--key {
  background: var(--ink-700);
  border-left: 4px solid var(--cyan);
}

.page-contact .hours-cell__label {
  margin: 0 0 10px;
  color: var(--gray);
}

.page-contact .hours-cell__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--snow);
  margin: 0 0 8px;
}

.page-contact .hours-cell--key .hours-cell__value {
  color: var(--cyan);
}

.page-contact .hours-cell__note {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--gray);
  margin: 0;
}

/* ---------- 06 合作对接 ---------- */
.page-contact .partner-panel {
  padding: clamp(24px, 4vw, 46px);
}

.page-contact .partner-copy .prose {
  max-width: 46ch;
}

.page-contact .partner-steps {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(241, 246, 250, 0.18);
}

.page-contact .partner-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(241, 246, 250, 0.18);
}

.page-contact .partner-step__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--amber);
  line-height: 1.4;
}

.page-contact .partner-step p {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--snow);
  margin: 0;
}

.page-contact .partner-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 07 收尾 ---------- */
.page-contact .contact-sign {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-contact .sign-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border-top: var(--contact-line);
  padding-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .sign-copy .prose {
  max-width: 52ch;
  margin-bottom: 0;
}

.page-contact .sign-copy .data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--snow);
  word-break: break-word;
}

.page-contact .sign-icp {
  margin: 0;
  color: var(--gray);
  align-self: end;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channels-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.4vw, 44px);
  }

  .page-contact .route-row {
    grid-template-columns: 1fr;
  }

  .page-contact .route-row:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

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

  .page-contact .hours-cell:nth-child(odd) {
    border-right: var(--contact-line);
  }

  .page-contact .hours-cell:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .page-contact .partner-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 30px);
    border-top: 0;
  }

  .page-contact .partner-step {
    grid-template-columns: 1fr;
    border-bottom: 0;
    border-top: 2px solid var(--cyan);
    padding-top: 18px;
  }

  .page-contact .sign-block {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 1040px) {
  .page-contact .channels-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .visit-figure {
    margin-top: 12px;
  }

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

  .page-contact .hours-cell {
    border-bottom: 0;
    border-right: var(--contact-line);
  }

  .page-contact .hours-cell:last-child {
    border-right: 0;
  }

  .page-contact .partner-panel {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas:
      "copy steps"
      "copy links";
    gap: clamp(24px, 3vw, 46px);
    align-items: start;
  }

  .page-contact .partner-copy {
    grid-area: copy;
  }

  .page-contact .partner-steps {
    grid-area: steps;
    margin-top: 0;
  }

  .page-contact .partner-links {
    grid-area: links;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .routing-tab {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}