.page-contact {
  --ct-hair: rgba(185, 205, 214, .16);
  --ct-hair-soft: rgba(185, 205, 214, .08);
  --ct-card: rgba(10, 42, 66, .55);
  --ct-slate: var(--slate-300);
  background: var(--ink-950);
  color: var(--mist-050);
  overflow-x: hidden;
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-contact .ct-crumbs {
  padding-top: clamp(14px, 2.6vw, 26px);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-contact .breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: rgba(185, 205, 214, .35);
}

.page-contact .breadcrumbs__link {
  color: var(--ct-slate);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--cyan-500);
}

.page-contact .breadcrumbs__current {
  color: var(--cyan-200);
}

.page-contact .ct-inline-link {
  color: var(--cyan-500);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-contact .ct-inline-link:hover,
.page-contact .ct-inline-link:focus-visible {
  color: var(--cyan-200);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(24px, 4.5vw, 44px) clamp(44px, 7vw, 92px);
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .ct-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 88% at 6% 0%, rgba(24, 224, 200, .18), transparent 58%),
    linear-gradient(180deg, rgba(4, 18, 31, .58) 0%, rgba(4, 18, 31, .93) 70%, var(--ink-950) 100%);
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 50px);
}

.page-contact .ct-hero h1 {
  margin: .32em 0 0;
  font-size: clamp(32px, 6.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -.022em;
  font-weight: 700;
}

.page-contact .ct-hero__accent {
  display: block;
  color: var(--cyan-200);
}

.page-contact .ct-hero__intro {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--ct-slate);
}

.page-contact .ct-lines {
  margin-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-line {
  display: grid;
  gap: 5px;
  padding: clamp(14px, 2.4vw, 22px) 0;
  border-bottom: 1px solid var(--ct-hair);
  text-decoration: none;
  color: inherit;
}

.page-contact .ct-line__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ct-slate);
}

.page-contact .ct-line__v {
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.4vw, 34px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--mist-050);
  word-break: break-word;
  transition: color .25s var(--ease);
}

.page-contact .ct-line:hover .ct-line__v,
.page-contact .ct-line:focus-visible .ct-line__v {
  color: var(--cyan-500);
}

.page-contact .ct-hint {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(185, 205, 214, .78);
}

/* ---------- 首屏侧栏 ---------- */
.page-contact .ct-hero__aside {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, rgba(19, 91, 120, .34), rgba(10, 42, 66, .16));
  box-shadow: var(--shadow-soft);
}

.page-contact .ct-jump__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ct-slate);
}

.page-contact .ct-jump__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.page-contact .ct-jump__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: 14.5px;
  color: var(--mist-050);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-hair-soft);
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-contact .ct-jump__link:hover,
.page-contact .ct-jump__link:focus-visible {
  color: var(--cyan-200);
  padding-left: 6px;
}

.page-contact .ct-jump__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-500);
}

.page-contact .ct-aside__note {
  padding-top: 14px;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-aside__note p:first-child {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber-500);
}

.page-contact .ct-aside__note p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ct-slate);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .ct-section__head {
  max-width: 46rem;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .ct-section__head h2,
.page-contact .ct-split__lead h2,
.page-contact .ct-reach h2 {
  margin: .3em 0 0;
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -.018em;
  font-weight: 700;
}

.page-contact .ct-section__lead {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-slate);
}

/* ---------- 联系方式一览 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .ct-chan {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(10, 42, 66, .74), rgba(4, 18, 31, .5));
}

.page-contact .ct-chan::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-500), transparent);
  opacity: .55;
}

.page-contact .ct-chan--accent {
  border-color: rgba(255, 180, 74, .26);
  background: linear-gradient(155deg, rgba(19, 91, 120, .6), rgba(4, 18, 31, .62));
}

.page-contact .ct-chan--accent::after {
  background: linear-gradient(90deg, transparent, var(--amber-500), transparent);
}

.page-contact .ct-chan__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cyan-500);
}

.page-contact .ct-chan--accent .ct-chan__idx {
  color: var(--amber-500);
}

.page-contact .ct-chan__title {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--mist-050);
}

.page-contact .ct-chan__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 24px);
  font-weight: 600;
  color: var(--cyan-200);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .ct-chan__value:hover,
.page-contact .ct-chan__value:focus-visible {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.page-contact .ct-chan__value--text {
  color: var(--amber-500);
  font-size: clamp(15px, 2.2vw, 19px);
}

.page-contact .ct-chan__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-slate);
}

/* ---------- 合作推进（浅底面板） ---------- */
.page-contact .ct-section--panel {
  background: var(--mist-050);
  color: var(--text-900);
}

.page-contact .ct-section--panel .eyebrow {
  color: var(--sea-600);
}

.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .ct-split__lead h2 {
  color: var(--text-900);
}

.page-contact .ct-split__body {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(8, 32, 47, .78);
}

.page-contact .ct-split__action {
  margin: 22px 0 0;
}

.page-contact .ct-section--panel .btn--ghost {
  color: var(--text-900);
  border-color: rgba(8, 32, 47, .28);
}

.page-contact .ct-section--panel .btn--ghost:hover,
.page-contact .ct-section--panel .btn--ghost:focus-visible {
  color: var(--sea-600);
  border-color: var(--sea-600);
}

.page-contact .ct-steps {
  display: grid;
  gap: 10px;
}

.page-contact .ct-step {
  border: 1px solid rgba(8, 32, 47, .14);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .78);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-contact .ct-step[open] {
  border-color: rgba(19, 91, 120, .42);
  background: #fff;
}

.page-contact .ct-step__sum {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px clamp(14px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-step__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--sea-600);
}

.page-contact .ct-step[open] .ct-step__sum::after {
  content: "–";
}

.page-contact .ct-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sea-600);
}

.page-contact .ct-step__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-900);
}

.page-contact .ct-step__body {
  padding: 0 clamp(14px, 2.4vw, 22px) 18px;
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(8, 32, 47, .76);
}

/* ---------- 通道选择 ---------- */
.page-contact .ct-routes {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-route {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-route__tag {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--cyan-200);
}

.page-contact .ct-route__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-slate);
}

.page-contact .ct-route__via {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber-500);
}

/* ---------- 服务范围与伙伴 ---------- */
.page-contact .ct-reach {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .ct-reach h2 {
  color: var(--mist-050);
}

.page-contact .ct-reach__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-slate);
}

.page-contact .ct-reach__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-reach__item {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 250, 252, .86);
}

.page-contact .ct-reach__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--cyan-500);
}

.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-contact .ct-stat {
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-md);
  background: rgba(10, 42, 66, .46);
}

.page-contact .ct-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-200);
}

.page-contact .ct-stat__unit {
  font-size: .55em;
  margin-left: 2px;
  color: var(--cyan-500);
}

.page-contact .ct-stat__label {
  display: block;
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ct-slate);
}

/* ---------- 到访前确认 ---------- */
.page-contact .ct-visit {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(48px, 8vw, 96px);
}

.page-contact .ct-visit__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .ct-visit__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
}

.page-contact .ct-visit__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink-950) 0%, rgba(4, 18, 31, .7) 42%, rgba(4, 18, 31, .94) 100%);
}

.page-contact .ct-visit__inner {
  max-width: 46rem;
}

.page-contact .ct-visit h2 {
  margin: .3em 0 0;
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.16;
  letter-spacing: -.018em;
  font-weight: 700;
  color: var(--mist-050);
}

.page-contact .ct-visit__text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-slate);
}

.page-contact .ct-visit__addr {
  display: block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(16px, 2.6vw, 22px);
  letter-spacing: .01em;
  color: var(--amber-500);
}

.page-contact .ct-visit__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .ct-visit__note {
  margin: 20px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(185, 205, 214, .72);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-contact .ct-line {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-chan--wide {
    grid-column: 1 / -1;
  }

  .page-contact .ct-route {
    grid-template-columns: 150px minmax(0, 1fr) 110px;
    align-items: baseline;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(268px, .6fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: start;
  }

  .page-contact .ct-reach {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-chan--wide {
    grid-column: 1 / -1;
  }

  .page-contact .ct-chan:nth-child(3) {
    transform: translateY(22px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-line__v,
  .page-contact .ct-jump__link,
  .page-contact .breadcrumbs__link,
  .page-contact .ct-step {
    transition: none;
  }
}
<<<END>>>