.page-contact {
  --ct-max: 1180px;
  --ct-pad: clamp(1.15rem, 4vw, 2.5rem);
}

.page-contact .ct-container {
  width: 100%;
  max-width: var(--ct-max);
  margin-inline: auto;
  padding-inline: var(--ct-pad);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(3rem, 9vw, 6.5rem) clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(165deg, var(--ink-800) 0%, var(--ink-900) 52%, var(--ink-950) 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .ct-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.65) contrast(1.08);
}

.page-contact .ct-hero-veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: 0.34;
}

.page-contact .ct-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero-inner .breadcrumbs {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.page-contact .ct-hero-inner .breadcrumbs a {
  color: var(--sage);
  text-decoration: none;
}

.page-contact .ct-hero-inner .breadcrumbs a:hover,
.page-contact .ct-hero-inner .breadcrumbs a:focus-visible {
  color: var(--lime);
}

.page-contact .ct-hero-inner .display-xl {
  margin: 0.55rem 0 0;
  font-size: clamp(2.5rem, 8.4vw, 5.4rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .ct-lede {
  max-width: 36ch;
  margin-top: clamp(1.1rem, 2.6vw, 1.6rem);
  font-size: clamp(0.98rem, 1.7vw, 1.08rem);
  line-height: 1.78;
  color: rgba(242, 245, 233, 0.78);
}

.page-contact .ct-hero-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: clamp(1.6rem, 3.5vw, 2.2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero-marks a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 36, 28, 0.62);
  color: var(--bone);
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-hero-marks a:hover,
.page-contact .ct-hero-marks a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(200, 255, 61, 0.08);
}

/* ---------- 联系坐标 ---------- */
.page-contact .ct-reach {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
  background: var(--ink-900);
}

.page-contact .ct-reach-grid {
  display: grid;
  gap: 1.15rem;
}

.page-contact .ct-reach-main {
  padding: clamp(1.35rem, 3.2vw, 2.4rem);
  background: linear-gradient(152deg, var(--ink-700) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .ct-reach-main .display-md {
  margin: 0.5rem 0 0;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.14;
  color: var(--bone);
}

.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-contact .ct-channel {
  display: grid;
  gap: 0.32rem;
  padding: 1rem 1.05rem 1.15rem;
  background: var(--ink-900);
}

.page-contact .ct-channel-key {
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .ct-channel-val {
  font-family: var(--font-data);
  font-size: clamp(1rem, 2.6vw, 1.42rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel-note {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--sage);
}

/* 服务时段 */
.page-contact .ct-clock {
  padding: clamp(1.3rem, 3vw, 1.9rem);
  background: var(--indigo);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .ct-clock-title {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .ct-clock-list {
  display: grid;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-clock-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  padding: 0.78rem 0;
  border-bottom: 1px solid rgba(242, 245, 233, 0.14);
}

.page-contact .ct-clock-key {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: rgba(242, 245, 233, 0.86);
}

.page-contact .ct-clock-val {
  font-family: var(--font-data);
  font-size: 0.86rem;
  color: var(--bone);
}

.page-contact .ct-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.16);
}

.page-contact .ct-dot--amber {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 184, 65, 0.16);
}

.page-contact .ct-clock-foot {
  margin: 1.1rem 0 0;
  font-size: 0.78rem;
  line-height: 1.65;
  color: rgba(242, 245, 233, 0.62);
}

/* ---------- 问题分流 ---------- */
.page-contact .ct-routing {
  padding-block: clamp(2.6rem, 7vw, 5rem);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-block: 1px solid var(--line);
}

.page-contact .ct-sec-head {
  max-width: 46ch;
}

.page-contact .ct-sec-head .display-md {
  margin: 0.5rem 0 0;
  font-size: clamp(1.6rem, 4.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--bone);
}

.page-contact .ct-sec-lede {
  margin-top: 0.95rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(242, 245, 233, 0.7);
}

.page-contact .ct-routing-grid {
  display: grid;
  gap: 1.6rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .ct-routes {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-route {
  position: relative;
  padding: 1.1rem 1.15rem 1.2rem 1.15rem;
  background: rgba(5, 12, 10, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .ct-route:hover {
  transform: translateY(-2px);
  border-color: var(--jade);
}

.page-contact .ct-route--amber {
  border-left: 3px solid var(--amber);
}

.page-contact .ct-route--lime {
  border-left: 3px solid var(--lime);
}

.page-contact .ct-route--red {
  border-left: 3px solid var(--red);
}

.page-contact .ct-route-num {
  display: block;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-contact .ct-route h3 {
  margin: 0.4rem 0 0;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--bone);
}

.page-contact .ct-route p {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(242, 245, 233, 0.72);
}

.page-contact .ct-route-link {
  display: inline-block;
  margin-top: 0.8rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.35);
  padding-bottom: 2px;
}

.page-contact .ct-route-link:hover,
.page-contact .ct-route-link:focus-visible {
  border-bottom-color: var(--lime);
  color: var(--bone);
}

.page-contact .ct-figure {
  margin: 0;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .ct-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-data);
  font-size: 0.74rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--sage);
}

/* ---------- 服务范围 ---------- */
.page-contact .ct-coverage {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
  background: var(--ink-900);
}

.page-contact .ct-coverage-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-contact .ct-coverage-grid .display-md {
  margin: 0.5rem 0 0;
  font-size: clamp(1.55rem, 4.1vw, 2.5rem);
  font-weight: 700;
  line-height: 1.14;
  color: var(--bone);
}

.page-contact .ct-coverage-grid .prose {
  margin-top: 1rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(242, 245, 233, 0.76);
}

.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-stat {
  padding: 1.05rem 0.9rem 1.15rem;
  background: var(--ink-800);
}

.page-contact .ct-stat dt {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .ct-stat dd {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--bone);
}

.page-contact .ct-stat dd span {
  margin-left: 0.15em;
  font-family: var(--font-data);
  font-size: 0.5em;
  font-weight: 500;
  color: var(--lime);
}

/* ---------- 归档路径 ---------- */
.page-contact .ct-path {
  padding-block: clamp(2.6rem, 7vw, 5rem);
  background: linear-gradient(180deg, var(--wine) 0%, #38101d 100%);
  border-block: 1px solid rgba(242, 245, 233, 0.12);
}

.page-contact .ct-sec-head--wine .display-md {
  color: var(--bone);
}

.page-contact .ct-sec-head--wine .ct-sec-lede {
  color: rgba(242, 245, 233, 0.74);
}

.page-contact .ct-steps {
  display: grid;
  gap: 0.9rem;
  margin: clamp(1.5rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding: 1.25rem 1.15rem 1.35rem;
  background: rgba(7, 17, 14, 0.46);
  border: 1px solid rgba(242, 245, 233, 0.16);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-visible {
  border-color: var(--lime);
  background: rgba(7, 17, 14, 0.72);
  transform: translateY(-3px);
}

.page-contact .ct-step-num {
  display: block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .ct-step h3 {
  margin: 0.45rem 0 0;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--bone);
}

.page-contact .ct-step p {
  margin: 0.5rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(242, 245, 233, 0.72);
}

.page-contact .ct-path-note {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--amber);
}

/* ---------- 邮寄与索引 ---------- */
.page-contact .ct-mail {
  padding-block: clamp(2.4rem, 6vw, 4.6rem);
  background: var(--ink-900);
}

.page-contact .ct-mail-grid {
  display: grid;
  gap: 1.15rem;
}

.page-contact .ct-mail-card {
  padding: clamp(1.35rem, 3.2vw, 2.2rem);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .ct-mail-card .display-md {
  margin: 0.5rem 0 0;
  font-size: clamp(1.5rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.14;
  color: var(--bone);
}

.page-contact .ct-mail-card .prose {
  margin-top: 1rem;
  font-size: 0.93rem;
  line-height: 1.78;
  color: rgba(242, 245, 233, 0.76);
}

.page-contact .ct-index {
  padding: clamp(1.2rem, 2.8vw, 1.8rem);
  background: var(--ink-950);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .ct-index-title {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .ct-index-list {
  display: grid;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-index-list li:last-child a {
  border-bottom: none;
}

.page-contact .ct-index-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 1rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--bone);
  font-size: 0.93rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .ct-index-list a span {
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--sage);
}

.page-contact .ct-index-list a:hover,
.page-contact .ct-index-list a:focus-visible {
  color: var(--lime);
}

.page-contact .ct-index-list a:hover span,
.page-contact .ct-index-list a:focus-visible span {
  color: var(--lime);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 880px) {
  .page-contact .ct-reach-grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.78fr);
    align-items: start;
    gap: 1.6rem;
  }

  .page-contact .ct-routing-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: 2.4rem;
  }

  .page-contact .ct-coverage-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-contact .ct-mail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 2.2rem;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-contact .ct-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -1.5rem;
    width: 1.5rem;
    height: 1px;
    background: repeating-linear-gradient(90deg, rgba(200, 255, 61, 0.62) 0 6px, transparent 6px 12px);
  }

  .page-contact .ct-channel {
    padding: 1.15rem 1.35rem 1.3rem;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-lede {
    max-width: 42ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero-marks a,
  .page-contact .ct-route,
  .page-contact .ct-step,
  .page-contact .ct-index-list a {
    transition: none;
  }

  .page-contact .ct-route:hover,
  .page-contact .ct-step:hover,
  .page-contact .ct-step:focus-visible {
    transform: none;
  }
}

```