.page-contact {
  --ct-rule: 1px solid var(--grid);
  --ct-rule-soft: 1px solid rgba(201, 207, 214, .18);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: 20px;
  padding-bottom: 4px;
}
.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-contact .crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-contact .crumbs li + li::before {
  content: "/";
  color: var(--graphite);
}
.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--fast) var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
}
.page-contact .crumbs li[aria-current] {
  color: var(--cyan);
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(32px, 6vw, 72px) clamp(24px, 4vw, 44px);
  border-bottom: var(--ct-rule);
}
.page-contact .contact-hero__title {
  margin: 14px 0 20px;
  font-size: clamp(36px, 7.6vw, 72px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 16ch;
}
.page-contact .contact-hero__lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 42ch;
}
.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--ct-rule);
  padding-top: 24px;
}
.page-contact .contact-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-contact .contact-hero__meta .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 6.5vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-contact .contact-hero__meta li:nth-child(3) .num {
  color: var(--amber);
}
.page-contact .contact-hero__label {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: .02em;
}

/* ---------- 两条入口 ---------- */
.page-contact .contact-entries {
  padding-block: clamp(40px, 7vw, 88px);
  background: var(--ink-deep);
}
.page-contact .contact-entries__head {
  margin-bottom: 36px;
}
.page-contact .contact-entries__head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--paper);
}
.page-contact .entry-grid {
  display: grid;
  gap: 20px;
}
.page-contact .entry {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--ink);
  border: var(--ct-rule);
  border-left: 3px solid var(--cyan);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page-contact .entry--partner {
  border-left-color: var(--amber);
}
.page-contact .entry__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-contact .entry--partner .entry__kicker {
  color: var(--amber);
}
.page-contact .entry__title {
  margin: 0;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .entry__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .entry__list {
  margin: 8px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: var(--ct-rule);
  display: grid;
  gap: 10px;
}
.page-contact .entry__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .entry__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}
.page-contact .entry--partner .entry__list li::before {
  background: var(--amber);
}
.page-contact .entry__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, .45);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.page-contact .entry__list a:hover,
.page-contact .entry__list a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}
.page-contact .contact-entries__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: var(--ct-rule);
  font-size: 14px;
  color: var(--graphite);
  color: var(--mist);
  opacity: .85;
}

/* ---------- 城市覆盖 ---------- */
.page-contact .contact-cities {
  padding-block: clamp(40px, 7vw, 88px);
  background: var(--ink);
}
.page-contact .contact-cities__head {
  margin-bottom: 32px;
}
.page-contact .contact-cities__head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-contact .cities-layout {
  display: grid;
  gap: 28px;
}
.page-contact .cities-visual {
  margin: 0;
  border: var(--ct-rule);
  background: var(--ink-deep);
}
.page-contact .cities-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .frame__cap {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
  border-top: var(--ct-rule);
}
.page-contact .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.page-contact .filter {
  appearance: none;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--grid);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color var(--fast) var(--ease),
              border-color var(--fast) var(--ease),
              background-color var(--fast) var(--ease);
}
.page-contact .filter:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-contact .filter:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .filter.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-deep);
}
.page-contact .filters__count {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--mist);
}
.page-contact .filters__count .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}
.page-contact .city-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--ct-rule);
}
.page-contact .city-item {
  display: grid;
  grid-template-columns: minmax(72px, auto) 1fr auto;
  grid-template-areas:
    "code name count"
    "type type type";
  align-items: baseline;
  gap: 6px 14px;
  padding: 14px 0;
  border-bottom: var(--ct-rule-soft);
  transition: background-color var(--fast) var(--ease);
}
.page-contact .city-item:hover {
  background: rgba(34, 211, 197, .05);
}
.page-contact .city-item__code {
  grid-area: code;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--graphite);
}
.page-contact .city-item__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  min-width: 0;
}
.page-contact .city-item__count {
  grid-area: count;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}
.page-contact .city-item__type {
  grid-area: type;
  font-size: 12px;
  color: var(--mist);
}
.page-contact .cities-panel__foot {
  margin: 20px 0 0;
  padding: 14px 0 0;
  border-top: var(--ct-rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(40px, 7vw, 88px);
  color: var(--ink);
}
.page-contact .contact-channels__head {
  margin-bottom: 32px;
}
.page-contact .contact-channels__head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}
.page-contact .contact-channels__head .reading {
  color: var(--graphite);
}
.page-contact .channel-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--mist);
}
.page-contact .channel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--mist);
}
.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--amber-deep);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.2vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .channel__hint {
  margin: 0;
  font-size: 13px;
  color: var(--graphite);
}

/* ---------- 提交清单 ---------- */
.page-contact .contact-prepare {
  padding-block: clamp(40px, 7vw, 88px);
  background: var(--ink-deep);
}
.page-contact .contact-prepare__head {
  margin-bottom: 32px;
}
.page-contact .contact-prepare__head h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-contact .prepare-grid {
  display: grid;
  gap: 28px;
}
.page-contact .prepare-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--ct-rule);
}
.page-contact .prepare-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  column-gap: 16px;
  row-gap: 4px;
  padding: 20px 0;
  border-bottom: var(--ct-rule);
  align-items: baseline;
}
.page-contact .prepare-item__index {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--amber);
}
.page-contact .prepare-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .prepare-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .prepare-figure {
  margin: 0;
  border: var(--ct-rule);
  background: var(--ink);
}
.page-contact .prepare-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .prepare-tip {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .prepare-tip a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, .45);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.page-contact .prepare-tip a:hover,
.page-contact .prepare-tip a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-cadence {
  padding-block: clamp(40px, 7vw, 88px) clamp(48px, 8vw, 96px);
}
.page-contact .contact-cadence__head {
  margin-bottom: 28px;
}
.page-contact .contact-cadence__head h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.6vw, 44px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-contact .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cad;
  border-top: var(--ct-rule);
}
.page-contact .cadence-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 16px;
  row-gap: 6px;
  padding: 22px 0;
  border-bottom: var(--ct-rule);
  align-items: baseline;
  transition: background-color var(--fast) var(--ease);
}
.page-contact .cadence-item:hover {
  background: rgba(34, 211, 197, .04);
}
.page-contact .cadence-item__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-contact .cadence-item:nth-child(2) .cadence-item__num { color: var(--amber); }
.page-contact .cadence-item:nth-child(4) .cadence-item__num { color: var(--mist); }
.page-contact .cadence-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .cadence-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .cadence-foot {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: var(--ct-rule);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .cadence-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 197, .45);
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
  margin: 0 2px;
}
.page-contact .cadence-foot a:hover,
.page-contact .cadence-foot a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .page-contact .channel {
    grid-template-columns: 96px 1fr;
    column-gap: 24px;
    align-items: baseline;
  }
  .page-contact .channel__hint {
    grid-column: 2;
  }
  .page-contact .prepare-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 36px;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-contact .cities-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .cities-visual {
    position: sticky;
    top: 32px;
  }
  .page-contact .prepare-item {
    grid-template-columns: 64px 1fr;
    column-gap: 22px;
    padding: 24px 0;
  }
  .page-contact .prepare-item__index {
    font-size: 26px;
  }
  .page-contact .cadence-item {
    grid-template-columns: 72px 1fr;
    column-gap: 24px;
    padding: 26px 0;
  }
  .page-contact .cadence-item__num {
    font-size: 38px;
  }
  .page-contact .contact-hero__title {
    max-width: 18ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter,
  .page-contact .city-item,
  .page-contact .cadence-item,
  .page-contact .entry__list a,
  .page-contact .prepare-tip a,
  .page-contact .cadence-foot a,
  .page-contact .crumbs a {
    transition: none !important;
  }
}