.page-contact {
  background: var(--c-deep);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(18px, 3vw, 28px) 0 clamp(38px, 6vw, 66px);
  border-bottom: 1px solid var(--line);
  background-color: var(--c-stand);
  background-image:
    linear-gradient(to right, rgba(42, 74, 99, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 99, 0.35) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

.page-contact .ct-hero__title {
  margin: clamp(20px, 3.2vw, 34px) 0 0;
  font-size: clamp(2.2rem, 8vw, 5.2rem);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: 0.015em;
  color: var(--ink);
}

.page-contact .ct-hero__lead {
  max-width: 58ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 2.1vw, 18px);
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-contact .ct-hero__quick {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-hero__quick li {
  min-width: 0;
  padding: 14px 10px 0 12px;
  border-left: 1px solid var(--line);
}

.page-contact .ct-hero__quick li:nth-child(odd) {
  border-left: 0;
  padding-left: 0;
}

.page-contact .ct-hero__qk {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--c-data);
}

.page-contact .ct-hero__qv {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: clamp(12px, 2vw, 14px);
  line-height: 1.45;
  color: var(--c-mint);
  overflow-wrap: anywhere;
}

/* ============ 通用标题 ============ */
.page-contact .ct-h2 {
  margin: 14px 0 0;
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .ct-intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ============ 联系展签 ============ */
.page-contact .ct-lines__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .ct-signs {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-sign {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "key copy"
    "val val"
    "note note";
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-sign__key {
  grid-area: key;
  align-self: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-data);
}

.page-contact .ct-sign__copy {
  grid-area: copy;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 6px 11px;
  background: transparent;
  color: var(--c-cyan);
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-sign__copy:hover,
.page-contact .ct-sign__copy:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(55, 242, 214, 0.1);
  outline: none;
}

.page-contact .ct-sign__copy[data-copied] {
  color: var(--c-coral);
  border-color: var(--c-coral);
  background: rgba(255, 107, 74, 0.1);
}

.page-contact .ct-sign__val {
  grid-area: val;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 18px);
  line-height: 1.5;
  color: var(--c-mint);
  overflow-wrap: anywhere;
}

.page-contact .ct-sign__note {
  grid-area: note;
  margin: 0;
  max-width: 54ch;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink-dim);
}

.page-contact .ct-lines__figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-contact .sb-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-sla {
  border: 1px solid var(--line);
  border-top: 2px solid var(--c-cyan);
  background: var(--c-night);
  padding: 18px clamp(16px, 2.4vw, 22px) 6px;
}

.page-contact .ct-sla__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-cyan);
}

.page-contact .ct-sla__row {
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-sla__row:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-contact .ct-sla__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--c-mint);
}

.page-contact .ct-sla__unit {
  margin-left: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-contact .ct-sla__row p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--ink-dim);
}

/* ============ 合作方向 ============ */
.page-contact .ct-routes {
  border-top: 1px solid var(--line);
  background: var(--c-deep);
}

.page-contact .ct-routes__head {
  max-width: 68ch;
}

.page-contact .ct-route {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-route__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "no"
    "title"
    "desc"
    "via";
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-route__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-contact .ct-route__title {
  grid-area: title;
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .ct-route__desc {
  grid-area: desc;
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-contact .ct-route__via {
  grid-area: via;
  align-self: center;
  justify-self: start;
  padding-left: 10px;
  border-left: 2px solid var(--c-coral);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-mint);
}

/* ============ 咨询前准备（浅色阅读区） ============ */
.page-contact .ct-prepare {
  background: var(--c-mist);
  color: var(--c-graphite);
}

.page-contact .ct-prepare .sb-eyebrow {
  color: var(--c-stand);
}

.page-contact .ct-prepare .ct-h2 {
  color: var(--c-graphite);
}

.page-contact .ct-prepare .ct-intro {
  color: rgba(10, 14, 18, 0.72);
}

.page-contact .ct-prepare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(10, 14, 18, 0.2);
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(10, 14, 18, 0.14);
}

.page-contact .ct-checklist__no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-stand);
}

.page-contact .ct-checklist h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-graphite);
}

.page-contact .ct-checklist p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(10, 14, 18, 0.7);
}

/* ============ 响应与流程 ============ */
.page-contact .ct-process {
  border-top: 1px solid var(--line);
}

.page-contact .ct-process__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-steps__no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

.page-contact .ct-steps h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
}

.page-contact .ct-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

/* ============ 到访与园区 ============ */
.page-contact .ct-visit {
  border-top: 1px solid var(--line);
  background: var(--c-deep);
}

.page-contact .ct-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

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

.page-contact .ct-visit__note {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-contact .ct-visit__details {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-visit__details summary {
  display: block;
  padding: 14px 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-mint);
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-visit__details summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-visit__details summary::after {
  content: "＋";
  float: right;
  color: var(--c-cyan);
}

.page-contact .ct-visit__details[open] summary::after {
  content: "－";
}

.page-contact .ct-visit__details ul {
  margin: 0 0 18px;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

/* ============ 常见入口 ============ */
.page-contact .ct-shortcuts {
  border-top: 1px solid var(--line);
  background: var(--c-stand);
}

.page-contact .ct-links {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-contact .ct-links li {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-links a {
  display: block;
  padding: 18px 12px 18px 14px;
  border-left: 2px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  border-left-color: var(--c-cyan);
  background: rgba(55, 242, 214, 0.07);
  outline: none;
}

.page-contact .ct-links a span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-dim);
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-contact .ct-hero__quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-hero__quick li:nth-child(odd) {
    border-left: 1px solid var(--line);
    padding-left: 12px;
  }

  .page-contact .ct-hero__quick li:first-child {
    border-left: 0;
    padding-left: 0;
  }

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

  .page-contact .ct-links li:nth-child(odd) a {
    padding-right: 20px;
  }

  .page-contact .ct-links li:nth-child(even) a {
    padding-left: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-route__item {
    grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.45fr) 190px;
    grid-template-areas: "no title desc via";
    align-items: start;
    gap: 28px;
    padding: 24px 0;
  }

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

@media (min-width: 960px) {
  .page-contact .ct-lines__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-contact .ct-lines__side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .ct-process__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-sign__copy,
  .page-contact .ct-links a {
    transition: none;
  }
}
<<<END>>>