.page-contact {
  background: var(--ink-field);
  color: var(--card-ivory);
  font-family: var(--font-cn);
  line-height: 1.75;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(22px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted-on-dark);
}
.page-contact .crumbs a {
  color: var(--muted-on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms linear, border-color 160ms linear;
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--neon-grass);
  border-bottom-color: var(--neon-grass);
}
.page-contact .crumbs span[aria-current="page"] {
  color: var(--card-ivory);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(26px, 5vw, 54px);
  padding-bottom: clamp(34px, 6vw, 68px);
}
.page-contact .ct-eyebrow {
  display: inline-block;
  margin: 0 0 20px;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--electric-cyan);
  border-bottom: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-title {
  margin: 0 0 22px;
  max-width: 14em;
  font-family: var(--font-narrow);
  font-size: clamp(30px, 8vw, 64px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--card-ivory);
}
.page-contact .ct-lede {
  margin: 0 0 18px;
  max-width: var(--measure);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.82;
  color: var(--card-ivory);
}
.page-contact .ct-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-on-dark);
}

/* ---------- 01 三条线路 ---------- */
.page-contact .ct-channels {
  padding: clamp(32px, 5vw, 60px) 0 clamp(46px, 8vw, 92px);
  border-top: 1px solid var(--hair-dark);
}
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}
.page-contact .ct-channels__body {
  min-width: 0;
}
.page-contact .ct-channels__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.page-contact .ct-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--electric-cyan);
}
.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--font-cn);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--card-ivory);
}

.page-contact .ct-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-line {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  grid-template-areas:
    "icon key"
    "icon val"
    ".    hint";
  column-gap: 14px;
  row-gap: 5px;
  padding: clamp(18px, 3.2vw, 26px) clamp(8px, 1.6vw, 16px);
  border-bottom: 1px solid var(--hair-dark);
  border-left: 2px solid transparent;
  transition: background-color 160ms linear, border-left-color 160ms linear;
}
.page-contact .ct-line:hover {
  background: var(--pitch-teal);
  border-left-color: var(--neon-grass);
}
.page-contact .ct-line__icon {
  grid-area: icon;
  align-self: start;
  padding-top: 3px;
  color: var(--electric-cyan);
  transition: color 160ms linear;
}
.page-contact .ct-line:hover .ct-line__icon {
  color: var(--neon-grass);
}
.page-contact .ct-line__icon svg {
  display: block;
}
.page-contact .ct-line__key {
  grid-area: key;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted-on-dark);
}
.page-contact .ct-line__val {
  grid-area: val;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 3.5vw, 27px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--card-ivory);
  overflow-wrap: anywhere;
}
.page-contact .ct-line__val--addr {
  font-size: clamp(14px, 2.6vw, 20px);
  line-height: 1.5;
}
.page-contact .ct-line__hint {
  grid-area: hint;
  max-width: 46ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted-on-dark);
}

/* ---------- 图片通用 ---------- */
.page-contact .figure {
  margin: 0;
}
.page-contact .figure__frame {
  overflow: hidden;
  border: 1px solid var(--hair-dark-strong);
  background: var(--deep-teal);
}
.page-contact .figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--muted-on-dark);
}

/* ---------- 章节带 ---------- */
.page-contact .section.ct-band {
  padding: clamp(44px, 7vw, 92px) 0;
  border-top: 1px solid var(--hair-dark);
}
.page-contact .ct-band--teal {
  background: var(--pitch-teal);
  border-top-color: transparent;
}
.page-contact .ct-secthead {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-contact .ct-secthead__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted-on-dark);
}

/* ---------- 02 邮箱 / 电话 分工 ---------- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}
.page-contact .ct-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon-grass);
}
.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-list li {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair-dark);
}
.page-contact .ct-list strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--card-ivory);
}
.page-contact .ct-list span {
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted-on-dark);
}
.page-contact .ct-list--tight li {
  padding: 13px 0;
}
.page-contact .ct-side-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--electric-cyan);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted-on-dark);
}

/* ---------- 03 回复节奏 ---------- */
.page-contact .ct-beats {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-beat {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--hair-dark);
}
.page-contact .ct-beat__t {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--stoppage-amber);
}
.page-contact .ct-beat p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-on-dark);
}

/* ---------- 04 写信要素 ---------- */
.page-contact .ct-write {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair-dark);
}
.page-contact .ct-steps__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--electric-cyan);
}
.page-contact .ct-steps__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--card-ivory);
}
.page-contact .ct-sample {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--hair-dark-strong);
  background: var(--deep-teal);
}
.page-contact .ct-sample .ct-label {
  margin-bottom: 14px;
  color: var(--electric-cyan);
}
.page-contact .ct-sample__line {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 2.4vw, 19px);
  line-height: 1.5;
  color: var(--neon-grass);
  overflow-wrap: anywhere;
}
.page-contact .ct-sample__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted-on-dark);
}

/* ---------- 05 站点信息 ---------- */
.page-contact .ct-meta {
  background: var(--card-ivory);
  color: var(--ink-black);
  border-top-color: var(--hairline-cool);
}
.page-contact .ct-meta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}
.page-contact .ct-meta__body {
  min-width: 0;
}
.page-contact .ct-meta__body > .ct-num {
  display: block;
  margin-bottom: 10px;
  color: var(--pitch-teal);
}
.page-contact .ct-meta .ct-h2 {
  color: var(--ink-black);
  margin-bottom: 22px;
}
.page-contact .ct-meta__dl {
  margin: 0 0 22px;
  border-top: 1px solid var(--hairline-cool);
}
.page-contact .ct-meta__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline-cool);
}
.page-contact .ct-meta__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate-green);
}
.page-contact .ct-meta__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-black);
  overflow-wrap: anywhere;
}
.page-contact .ct-meta__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate-green);
}
.page-contact .ct-meta__note a {
  color: var(--pitch-teal);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-cool);
  transition: color 160ms linear, border-color 160ms linear;
}
.page-contact .ct-meta__note a:hover,
.page-contact .ct-meta__note a:focus-visible {
  color: var(--ink-black);
  border-bottom-color: var(--pitch-teal);
}
.page-contact .ct-meta .figure__frame {
  border-color: var(--hairline-cool);
  background: var(--deep-teal);
}
.page-contact .ct-meta .figure__cap {
  color: var(--slate-green);
}

/* ---------- 06 不在服务范围 ---------- */
.page-contact .ct-out {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid var(--hair-dark-strong);
}
.page-contact .ct-out li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair-dark);
  font-size: 15px;
  line-height: 1.7;
  color: var(--card-ivory);
}

/* ---------- 响应式 ---------- */
@media (max-width: 520px) {
  .page-contact .ct-line {
    grid-template-columns: 24px minmax(0, 1fr);
    column-gap: 10px;
  }
  .page-contact .ct-steps li,
  .page-contact .ct-meta__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
  .page-contact .ct-meta__row {
    gap: 4px;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-beat {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
  .page-contact .ct-write {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
  .page-contact .ct-meta__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
  .page-contact .ct-secthead {
    grid-template-columns: 68px minmax(0, 1fr);
    column-gap: 22px;
    row-gap: 12px;
    align-items: baseline;
  }
  .page-contact .ct-secthead > .ct-num {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .page-contact .ct-secthead > .ct-h2 {
    grid-column: 2;
  }
  .page-contact .ct-secthead > .ct-secthead__lede {
    grid-column: 2;
  }
  .page-contact .ct-channels__head {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    column-gap: 22px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-line,
  .page-contact .ct-line__icon,
  .page-contact .crumbs a,
  .page-contact .ct-meta__note a {
    transition: none;
  }
}