.page-contact {
  --ct-pad: clamp(1rem, 4vw, 2.5rem);
  --ct-gap: clamp(1rem, 2.4vw, 1.75rem);
  color: var(--paper);
  font-family: var(--font-sans);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 .5rem;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--mute);
}
.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--line);
}
.page-contact .crumbs a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .crumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .crumbs [aria-current="page"] { color: var(--paper); }

.page-contact .ct-h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin: .5rem 0 .75rem;
}

.page-contact .ct-body {
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper);
  margin: 0 0 1rem;
  max-width: 38em;
}
.page-contact .ct-body--tail {
  font-size: .86rem;
  color: var(--mute);
  margin-top: 1rem;
}

.page-contact .ct-sec-head { margin: 0 0 1.5rem; }
.page-contact .ct-sec-intro {
  max-width: 46em;
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: var(--ct-gap);
  padding: 1rem 0 clamp(2rem, 4vw, 3.25rem);
  align-items: end;
}
.page-contact .ct-hero__title {
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.08;
  margin: .35rem 0 1rem;
}
.page-contact .ct-hero__lede {
  font-size: clamp(.95rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  max-width: 32em;
  color: var(--paper);
  margin: 0 0 1.5rem;
}
.page-contact .ct-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--mute);
}
.page-contact .ct-hero__facts .num {
  color: var(--lime);
  font-weight: 600;
  margin-right: .35rem;
}

.page-contact .ct-hero__media {
  position: relative;
  margin: 0;
}
.page-contact .ct-hero__media .figure__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}
.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.55) contrast(1.05) brightness(.85);
}
.page-contact .ct-hero__media .figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(198,255,61,.16) 0%, transparent 42%),
    linear-gradient(180deg, transparent 55%, rgba(11,31,26,.9) 100%);
  pointer-events: none;
}
.page-contact .ct-hero__pin {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198,255,61,.16);
}
.page-contact .ct-hero__media .figure__cap { margin-top: .65rem; }

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels-section { padding-block: clamp(1.5rem, 4vw, 2.5rem); }

.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .6rem;
  padding: 1.35rem;
  background: var(--ink-2);
  border: 1px solid transparent;
  transition: background .16s var(--ease), border-color .16s var(--ease), transform .16s var(--ease);
}
.page-contact .ct-channel:hover {
  border-color: var(--lime);
  background: var(--ink-3);
  transform: translateY(-2px);
}
.page-contact .ct-channel--lead {
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(198,255,61,.13), transparent 60%),
    var(--ink-3);
  padding: 1.75rem 1.35rem 1.9rem;
}
.page-contact .ct-channel--addr { background: rgba(234,243,238,.045); }
.page-contact .ct-channel__idx {
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-contact .ct-channel__title {
  margin: .1rem 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.page-contact .ct-channel__value {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .ct-channel__value--mail,
.page-contact .ct-channel--addr .ct-channel__value {
  font-family: var(--font-mono);
  letter-spacing: -.01em;
}
.page-contact .ct-channel--lead .ct-channel__value--mail {
  font-size: clamp(1rem, 2.6vw, 1.32rem);
  color: var(--lime);
}
.page-contact .ct-channel--addr .ct-channel__value {
  font-family: var(--font-sans);
  font-size: .95rem;
}
.page-contact .ct-channel__desc {
  margin: 0 0 .35rem;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--mute);
  max-width: 30em;
}
.page-contact .ct-channel__coord {
  margin: auto 0 0;
  padding-top: .75rem;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--steel);
}

/* ---------- 城市通栏 ---------- */
.page-contact .ct-city {
  margin: clamp(1.5rem, 4vw, 2.75rem) 0;
}
.page-contact .ct-city .figure__media {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-city img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(140px, 22vw, 260px);
  object-fit: cover;
  filter: saturate(.4) brightness(.7) contrast(1.1);
}
.page-contact .ct-city .figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,31,26,.9), rgba(11,31,26,.15) 55%, rgba(11,31,26,.85));
  pointer-events: none;
}
.page-contact .ct-city .figure__cap { margin-top: .55rem; }

/* ---------- 两栏对照 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: var(--ct-gap);
  padding-block: clamp(1rem, 3vw, 2rem);
}
.page-contact .ct-card {
  padding: clamp(1.25rem, 3vw, 1.9rem);
}
.page-contact .ct-card--collab { position: relative; }

.page-contact .ct-steps {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 2.15rem minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.page-contact .ct-steps__n {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  font-size: .9rem;
  color: var(--ink);
  background: var(--lime);
  font-weight: 600;
}
.page-contact .ct-steps__t {
  margin: 0 0 .25rem;
  font-size: .95rem;
  font-weight: 700;
}
.page-contact .ct-steps p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--mute);
}

.page-contact .ct-template {
  margin-top: 1.35rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--amber);
  background: rgba(232,169,59,.08);
}
.page-contact .ct-template__k {
  margin: 0 0 .45rem;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--amber);
  font-weight: 700;
}
.page-contact .ct-template__v {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .ct-template__eg {
  margin: 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mute);
  overflow-wrap: anywhere;
}

.page-contact .ct-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}
.page-contact .ct-list li {
  font-size: .86rem;
  line-height: 1.7;
  color: var(--mute);
  padding-left: .9rem;
  border-left: 2px solid var(--line);
}
.page-contact .ct-list strong { color: var(--paper); font-weight: 700; }

.page-contact .ct-kit {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--glass-line);
  background: rgba(234,243,238,.03);
}
.page-contact .ct-kit__t {
  margin: 0 0 .6rem;
  font-size: .72rem;
  letter-spacing: .1em;
  font-weight: 700;
  color: var(--lime);
}
.page-contact .ct-kit ul {
  margin: 0;
  padding-left: 1.05rem;
  display: grid;
  gap: .35rem;
}
.page-contact .ct-kit li {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- 响应时效 ---------- */
.page-contact .ct-response {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  background:
    linear-gradient(150deg, rgba(198,255,61,.09), transparent 55%),
    var(--ink-2);
  border: 1px solid var(--line);
}
.page-contact .ct-stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  align-self: start;
}
.page-contact .ct-stat {
  background: var(--ink-3);
  padding: 1rem 1.1rem;
  transition: background .16s var(--ease);
}
.page-contact .ct-stat:hover { background: var(--ink-2); }
.page-contact .ct-stat .big-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  line-height: 1;
  color: var(--lime);
  letter-spacing: -.03em;
}
.page-contact .ct-stat__u {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mute);
  margin-left: .4rem;
}
.page-contact .ct-stat p {
  margin: .5rem 0 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- 分流带 ---------- */
.page-contact .ct-routing-section { margin-top: clamp(2rem, 5vw, 3.25rem); }
.page-contact .ct-routing {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .ct-routing li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .4rem .9rem;
  align-items: start;
  padding: 1.1rem 1.15rem;
  background: var(--ink-2);
  transition: background .16s var(--ease);
}
.page-contact .ct-routing li:hover { background: var(--ink-3); }
.page-contact .ct-routing__n {
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--lime);
  padding-top: .1rem;
}
.page-contact .ct-routing__body h3 {
  margin: 0 0 .3rem;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.5;
}
.page-contact .ct-routing__body p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mute);
  max-width: 44em;
}
.page-contact .ct-routing__go {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .35rem;
  padding: .3rem .1rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .ct-routing__go span { transition: transform .16s var(--ease); }
.page-contact .ct-routing__go:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .ct-routing__go:hover span { transform: translateX(3px); }

.page-contact .ct-routing__foot {
  margin: 1.25rem 0 0;
  font-size: .84rem;
  line-height: 1.8;
  color: var(--mute);
}
.page-contact .ct-routing__foot a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .ct-routing__foot a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact [id] { scroll-margin-top: calc(var(--bar-h-sm) + 16px); }

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .95fr);
  }
  .page-contact .ct-channel--lead { grid-row: span 2; }
  .page-contact .ct-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(1.5rem, 3vw, 3rem);
  }
  .page-contact .ct-hero__media { margin-bottom: .25rem; }
  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr) minmax(0, .85fr);
    align-items: start;
  }
  .page-contact .ct-channel--lead { grid-row: auto; }
  .page-contact .ct-channel { min-height: 100%; }
  .page-contact .ct-channel:not(.ct-channel--lead) { padding-top: 2.6rem; }
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }
  .page-contact .ct-response {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: center;
  }
  .page-contact .ct-routing li {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.15rem 1.4rem;
  }
  .page-contact .ct-routing__go {
    grid-column: 3;
    margin-top: 0;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-channel:hover,
  .page-contact .ct-routing__go span,
  .page-contact .ct-stat,
  .page-contact .ct-routing li {
    transition: none;
    transform: none;
  }
}
<<<END>>>