.page-contact {
  --ct-block: clamp(64px, 9vw, 132px);
  --ct-line: var(--hairline);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: calc(var(--head-h) + clamp(44px, 7vw, 96px)) 0 clamp(56px, 8vw, 110px);
  background:
    radial-gradient(120% 88% at 86% 4%, rgba(255, 107, 53, 0.17), transparent 58%),
    radial-gradient(90% 68% at 4% 100%, rgba(0, 229, 255, 0.12), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--ct-line);
  isolation: isolate;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ct-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ct-line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.3;
  -webkit-mask-image: radial-gradient(112% 82% at 50% 18%, #000 12%, transparent 78%);
  mask-image: radial-gradient(112% 82% at 50% 18%, #000 12%, transparent 78%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  margin-top: clamp(24px, 3vw, 40px);
}

.page-contact .ct-hero__title {
  margin: 20px 0 0;
  color: var(--white);
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__title .hl {
  color: var(--orange);
  display: inline-block;
}

.page-contact .ct-hero__lede {
  max-width: 60ch;
  margin: 26px 0 0;
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

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

.page-contact .ct-stat {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  min-height: 104px;
  padding: clamp(14px, 1.8vw, 22px);
  background: var(--navy);
}

.page-contact .ct-stat__k {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
  line-height: 1.5;
}

.page-contact .ct-stat__v {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(17px, 1.7vw, 24px);
  font-variant-numeric: tabular-nums;
  color: var(--white);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.page-contact .ct-stat__v .num {
  color: var(--orange);
}

/* ---------- 双栏：联系信息 + 合作方向 ---------- */
.page-contact .ct-ways {
  padding: var(--ct-block) 0;
  background: var(--ink);
}

.page-contact .ct-ways__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(44px, 6vw, 80px);
}

.page-contact .ct-ways__h {
  margin: 18px 0 0;
  color: var(--white);
}

.page-contact .ct-ways__note {
  max-width: 46ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-datum {
  display: grid;
  gap: 8px;
  margin-top: 22px;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(160deg, var(--navy), var(--navy-2));
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--orange);
}

.page-contact .ct-datum--alt {
  border-left-color: var(--cyan);
}

.page-contact .ct-datum__k {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-datum__v {
  font-family: var(--font-data);
  font-size: clamp(16px, 1.85vw, 26px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .ct-datum__d {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-ways__track-eyebrow {
  margin: 0 0 clamp(20px, 2.4vw, 30px);
}

.page-contact .ct-ways__tracks {
  display: grid;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(26px, 3.4vw, 42px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-track__n {
  font-family: var(--font-data);
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-track__t {
  margin: 0;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.2;
  color: var(--white);
}

.page-contact .ct-track__p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .ct-track__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-contact .ct-track__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-track__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-track__list .num {
  color: var(--white);
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

/* ---------- 流程（亮色区） ---------- */
.page-contact .ct-flow {
  padding: var(--ct-block) 0 clamp(48px, 6vw, 84px);
  background: var(--paper);
  color: var(--paper-text);
}

.page-contact .ct-flow__h {
  margin: 18px 0 0;
  color: var(--navy);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 4.6vw, 60px);
  margin-top: clamp(32px, 4vw, 56px);
}

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

.page-contact .ct-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: clamp(26px, 3.2vw, 42px);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: var(--paper-line);
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__n {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  border: 1px solid var(--orange);
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-step__t {
  margin: 10px 0 0;
  font-size: clamp(19px, 1.9vw, 24px);
  line-height: 1.3;
  color: var(--navy);
}

.page-contact .ct-step__body p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-text);
}

.page-contact .ct-flow__fig {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--paper-line);
  background: var(--navy);
}

.page-contact .ct-flow__fig img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-flow__fig .media__cap {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 响应时效（延续亮色区） ---------- */
.page-contact .ct-sla {
  padding: 0 0 var(--ct-block);
  background: var(--paper);
  color: var(--paper-text);
}

.page-contact .ct-sla__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
  padding-top: clamp(32px, 4vw, 54px);
  border-top: 1px solid var(--paper-line);
}

.page-contact .ct-sla__big {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-sla__big .num {
  font-family: var(--font-data);
  font-size: clamp(64px, 9vw, 124px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-sla__unit {
  font-family: var(--font-data);
  font-size: clamp(18px, 2vw, 28px);
  color: var(--navy);
}

.page-contact .ct-sla__cap {
  flex: 1 0 100%;
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-text);
}

.page-contact .ct-sla__h {
  margin: 0;
  color: var(--navy);
}

.page-contact .ct-sla__txt p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-text);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-reach {
  padding: var(--ct-block) 0;
  background: var(--ink);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-reach__h {
  margin: 18px 0 clamp(32px, 4vw, 52px);
  color: var(--white);
}

.page-contact .ct-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

.page-contact .ct-chan {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--navy);
  border: 1px solid var(--ct-line);
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-contact .ct-chan:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .ct-chan__tag {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(255, 107, 53, 0.42);
}

.page-contact .ct-chan .card__title {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--white);
}

.page-contact .ct-chan__v {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ct-line);
  font-family: var(--font-data);
  font-size: clamp(14px, 1.4vw, 18px);
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .ct-chan .card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 信件与资料寄送 ---------- */
.page-contact .ct-post {
  padding: var(--ct-block) 0;
  background: var(--navy);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-post__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4.4vw, 64px);
}

.page-contact .ct-post__h {
  margin: 18px 0 0;
  color: var(--white);
}

.page-contact .ct-post__addr {
  display: block;
  margin: 26px 0 0;
  max-width: 16em;
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 38px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  font-style: normal;
  color: var(--white);
}

.page-contact .ct-post__note {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .ct-post__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  align-content: start;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-post__notes li {
  position: relative;
  padding: 18px 0 18px 24px;
  border-bottom: 1px solid var(--ct-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-post__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.72em;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 常见对接问题 ---------- */
.page-contact .ct-faq {
  padding: var(--ct-block) 0;
  background: var(--ink);
}

.page-contact .ct-faq__h {
  margin: 18px 0 0;
  color: var(--white);
}

.page-contact .ct-faq__list {
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-faq__item {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 32px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-faq__item dt {
  position: relative;
  padding-left: 24px;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .ct-faq__item dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 1px;
  background: var(--orange);
}

.page-contact .ct-faq__item dd {
  margin: 0;
  padding-left: 24px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 页尾行动区 ---------- */
.page-contact .ct-base {
  background: var(--ink);
  padding-top: clamp(24px, 3vw, 48px);
}

.page-contact .ct-base__fig {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--ct-line);
  position: relative;
}

.page-contact .ct-base__fig img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-base__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 36px);
  padding: clamp(30px, 3.6vw, 48px) 0 clamp(60px, 7vw, 100px);
}

.page-contact .ct-base__h {
  margin: 0;
  color: var(--white);
}

.page-contact .ct-base__p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-base__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-track {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-contact .ct-base__foot {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-sla__inner {
    grid-template-columns: minmax(200px, 0.45fr) minmax(0, 1.55fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(268px, 0.82fr);
    align-items: end;
  }

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

@media (min-width: 1040px) {
  .page-contact .ct-ways__grid {
    grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .ct-rail-sticky {
    position: sticky;
    top: calc(var(--head-h) + 40px);
  }

  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-chan {
    transition: none;
  }

  .page-contact .ct-chan:hover {
    transform: none;
  }
}
<<<END>>>