.page-contact {
  --ct-rule: rgba(27, 72, 120, .72);
  --ct-rule-soft: rgba(27, 72, 120, .38);
  --ct-rule-paper: rgba(27, 72, 120, .24);
  --ct-panel-top: rgba(18, 51, 89, .78);
  --ct-panel-bottom: rgba(6, 20, 38, .94);
}

/* ---------- 顶部：面包屑与导语 ---------- */

.page-contact .ct-top {
  padding-block: clamp(26px, 5vw, 54px) clamp(18px, 3vw, 30px);
}

.page-contact .ct-top .crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--slate-400);
}

.page-contact .ct-top .crumbs a {
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .ct-top .crumbs a:hover,
.page-contact .ct-top .crumbs a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-500);
}

.page-contact .ct-top .crumbs__sep {
  color: var(--deep-600);
}

.page-contact .ct-top__head {
  max-width: 62ch;
}

.page-contact .ct-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--coral-500);
}

.page-contact .ct-h1 {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(38px, 7.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper-50);
}

.page-contact .ct-lede {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--paper-50);
  opacity: .84;
}

/* ---------- 三条渠道卡 ---------- */

.page-contact .ct-channels {
  padding-block: clamp(10px, 2vw, 18px) clamp(40px, 6vw, 74px);
}

.page-contact .ct-channels .sec-title--sm {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-chlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .ct-ch {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--ct-rule-soft);
  border-radius: var(--r-card);
  background: linear-gradient(158deg, var(--ct-panel-top), var(--ct-panel-bottom));
  overflow: hidden;
  transition: border-color 160ms var(--ease),
              border-radius 220ms var(--ease),
              transform 160ms var(--ease);
}

.page-contact .ct-ch::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan-500), rgba(0, 229, 255, 0));
  opacity: .6;
  transition: opacity 160ms var(--ease);
}

.page-contact .ct-ch:hover,
.page-contact .ct-ch:focus-within {
  border-color: var(--cyan-500);
  transform: translateY(-2px);
}

.page-contact .ct-ch:hover::before,
.page-contact .ct-ch:focus-within::before {
  opacity: 1;
}

.page-contact .ct-ch__k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--slate-400);
}

.page-contact .ct-ch__v {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.6vw, 22px);
  line-height: 1.4;
  letter-spacing: -.01em;
  word-break: break-all;
  color: var(--coral-500);
  text-decoration: none;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(255, 107, 74, .34);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact a.ct-ch__v:hover,
.page-contact a.ct-ch__v:focus-visible {
  color: var(--coral-300);
  border-bottom-color: var(--coral-300);
}

.page-contact .ct-ch__v--addr {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.72;
  letter-spacing: 0;
  color: var(--paper-50);
  border-bottom-color: rgba(143, 163, 184, .34);
}

.page-contact .ct-ch__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-contact .ct-channels__note {
  max-width: 62ch;
  margin: clamp(20px, 2.8vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-500);
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate-400);
}

/* ---------- 通栏窄幅图 ---------- */

.page-contact .ct-banner {
  margin: 0;
  overflow: hidden;
  background: var(--deep-800);
  border-block: 1px solid var(--ct-rule-soft);
}

.page-contact .ct-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: clamp(180px, 26vw, 340px);
  object-fit: cover;
  opacity: .72;
}

/* ---------- 咨询分类 ---------- */

.page-contact .ct-routing {
  padding-block: clamp(44px, 7vw, 90px);
}

.page-contact .ct-routing__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .ct-routing__intro {
  max-width: 56ch;
}

.page-contact .ct-routing__sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-900);
  opacity: .82;
}

.page-contact .ct-routing__media {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--ct-rule-paper);
  background: var(--deep-700);
}

.page-contact .ct-routing__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 10;
  object-fit: cover;
  opacity: .92;
}

.page-contact .ct-routing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-route {
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--ct-rule-paper);
}

.page-contact .ct-route__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--deep-600);
}

.page-contact .ct-route__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.1vw, 24px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-contact .ct-route p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-900);
  opacity: .84;
}

.page-contact .ct-route__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-route__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--deep-700);
}

.page-contact .ct-route__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 1px;
  background: currentColor;
  opacity: .7;
}

/* ---------- 回复节奏 ---------- */

.page-contact .ct-cadence {
  padding-block: clamp(44px, 7vw, 90px);
}

.page-contact .ct-cadence__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .ct-cadence__body .sec-title {
  margin: 0 0 18px;
}

.page-contact .ct-cadence__body p {
  max-width: 46ch;
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-50);
  opacity: .84;
}

.page-contact .ct-cadence__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--ct-rule-soft);
  border-radius: var(--r-card);
  overflow: hidden;
  background: rgba(6, 20, 38, .45);
}

.page-contact .ct-facts__row {
  display: grid;
  grid-template-columns: minmax(80px, auto) minmax(0, 1fr);
  gap: 14px;
  padding: 14px clamp(14px, 2vw, 20px);
  border-bottom: 1px solid var(--ct-rule-soft);
}

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

.page-contact .ct-facts__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate-400);
  padding-top: 2px;
}

.page-contact .ct-facts__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-50);
  word-break: break-word;
}

/* ---------- 合作与内容授权 ---------- */

.page-contact .ct-collab {
  padding-block: clamp(44px, 7vw, 90px);
}

.page-contact .ct-collab__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-contact .ct-collab__head .sec-title {
  margin: 0 0 16px;
}

.page-contact .ct-collab__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-50);
  opacity: .84;
}

.page-contact .ct-collab__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .ct-collab__card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--ct-rule-soft);
  border-radius: var(--r-card);
  background: rgba(18, 51, 89, .48);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .ct-collab__card:hover,
.page-contact .ct-collab__card:focus-within {
  border-color: var(--line-cyan);
  background: rgba(18, 51, 89, .82);
}

.page-contact .ct-collab__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--cyan-300);
}

.page-contact .ct-collab__card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--paper-50);
  opacity: .8;
}

.page-contact .ct-collab__note {
  max-width: 62ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--coral-500);
  font-size: 13px;
  line-height: 1.85;
  color: var(--slate-400);
}

/* ---------- 站点信息 ---------- */

.page-contact .ct-site {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-contact .ct-site__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-site__grid .sec-title--sm {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
}

.page-contact .ct-site__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-site__list li {
  display: grid;
  grid-template-columns: minmax(78px, auto) minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-rule-paper);
}

.page-contact .ct-site__list li > span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--deep-600);
  padding-top: 3px;
}

.page-contact .ct-site__list li > span:last-child {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-900);
  word-break: break-all;
}

.page-contact .ct-site__side-k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--deep-600);
}

.page-contact .ct-site__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-site__link {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid rgba(27, 72, 120, .42);
  border-radius: var(--r-pill);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--deep-700);
  text-decoration: none;
  background: rgba(244, 247, 251, .6);
  transition: color 160ms var(--ease),
              border-color 160ms var(--ease),
              background-color 160ms var(--ease),
              border-radius 220ms var(--ease);
}

.page-contact .ct-site__link:hover,
.page-contact .ct-site__link:focus-visible {
  border-color: var(--deep-600);
  background: var(--deep-700);
  color: var(--paper-50);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .ct-site__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }
}

@media (min-width: 820px) {
  .page-contact .ct-collab__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-contact .ct-routing__head {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

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

  .page-contact .ct-route {
    padding: 0 clamp(18px, 2.2vw, 30px);
    border-top: 0;
    border-left: 1px solid var(--ct-rule-paper);
  }

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

  .page-contact .ct-route:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-cadence__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-ch,
  .page-contact .ct-ch__v,
  .page-contact .ct-ch::before,
  .page-contact .ct-collab__card,
  .page-contact .ct-site__link,
  .page-contact .ct-top .crumbs a {
    transition: none;
  }

  .page-contact .ct-ch:hover,
  .page-contact .ct-ch:focus-within {
    transform: none;
  }
}
<<<END>>>