.page-contact {
  --ct-hair: rgba(143, 163, 191, 0.16);
  --ct-gold-soft: rgba(232, 176, 75, 0.45);
  --ct-gold-faint: rgba(232, 176, 75, 0.10);
}

/* ============ 首屏 ============ */
.page-contact .ct-hero {
  padding: clamp(22px, 3.6vw, 48px) 0 0;
}

.page-contact .ct-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  padding: clamp(26px, 4.4vw, 62px);
  background:
    radial-gradient(120% 110% at 6% -10%, var(--ct-gold-faint), transparent 58%),
    linear-gradient(180deg, #12294A 0%, #0B1B33 100%);
}

.page-contact .ct-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(143, 163, 191, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 163, 191, 0.07) 1px, transparent 1px);
  background-size: 58px 58px;
  pointer-events: none;
}

.page-contact .ct-frame__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--yz-gold);
  opacity: 0.9;
  pointer-events: none;
}
.page-contact .ct-frame__corner--tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; border-radius: 10px 0 0 0; }
.page-contact .ct-frame__corner--tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; border-radius: 0 10px 0 0; }
.page-contact .ct-frame__corner--bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; border-radius: 0 0 0 10px; }
.page-contact .ct-frame__corner--br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; border-radius: 0 0 10px 0; }

.page-contact .ct-hero__eyebrow {
  color: var(--yz-gold);
  margin: 0;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--yz-serif);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--yz-moon);
  max-width: 15em;
}

.page-contact .ct-hero__lede {
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  max-width: 660px;
  color: var(--yz-mist);
}

.page-contact .ct-hero__actions {
  margin-top: clamp(24px, 3.2vw, 40px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero__shortcuts {
  list-style: none;
  margin: clamp(28px, 3.8vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--yz-line);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius);
  overflow: hidden;
}

.page-contact .ct-hero__shortcuts li {
  background: rgba(11, 27, 51, 0.88);
}

.page-contact .ct-hero__shortcuts a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  font-size: 15px;
  color: var(--yz-moon);
  text-decoration: none;
  transition: color var(--yz-wave) ease-out, background-color var(--yz-wave) ease-out;
}

.page-contact .ct-hero__shortcuts a:hover,
.page-contact .ct-hero__shortcuts a:focus-visible {
  color: var(--yz-glow);
  background: var(--ct-gold-faint);
}

.page-contact .ct-hero__shortcuts .yz-num {
  color: var(--yz-gold);
  font-size: 12px;
}

.page-contact .ct-banner {
  margin: clamp(20px, 3vw, 36px) 0 0;
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius);
  overflow: hidden;
  background: var(--yz-panel);
}

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

/* ============ 面包屑 ============ */
.page-contact .ct-crumb {
  padding: clamp(18px, 2.6vw, 32px) 0 0;
}

/* ============ 合作方向 ============ */
.page-contact .ct-tracks__lede {
  margin-top: 14px;
  max-width: 620px;
  color: var(--yz-mist);
}

.page-contact .ct-tracks__grid {
  list-style: none;
  margin: clamp(28px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--yz-line);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  overflow: hidden;
}

.page-contact .ct-track {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.92), rgba(11, 27, 51, 0.94));
  transition: background-color var(--yz-wave) ease-out;
}

.page-contact .ct-track:hover {
  background: #12294A;
}

.page-contact .ct-track__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 0 1px currentColor;
  font-family: var(--yz-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--yz-gold);
}
.page-contact .ct-track__badge--jade { color: var(--yz-jade); }
.page-contact .ct-track__badge--gold { color: var(--yz-gold); }
.page-contact .ct-track__badge--amber { color: var(--yz-amber); }
.page-contact .ct-track__badge--cinnabar { color: var(--yz-cinnabar); }

.page-contact .ct-track__title {
  margin: 4px 0 0;
  font-family: var(--yz-serif);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--yz-moon);
}

.page-contact .ct-track__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yz-mist);
}

.page-contact .ct-track__fit {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--yz-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--yz-mist);
}

.page-contact .ct-track__fit span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--yz-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yz-gold);
}

/* ============ 对接流程 ============ */
.page-contact .ct-flow__figure {
  margin: 0 0 clamp(30px, 4.2vw, 54px);
}

.page-contact .ct-flow__lede {
  margin-top: 14px;
  max-width: 620px;
  color: var(--yz-mist);
}

.page-contact .ct-flow {
  list-style: none;
  position: relative;
  margin: clamp(30px, 4.2vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .ct-flow::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--yz-line) 0 6px, transparent 6px 13px);
}

.page-contact .ct-step {
  position: relative;
  padding-left: 38px;
}

.page-contact .ct-step__node {
  position: absolute;
  left: 0;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--yz-gold);
  box-shadow: 0 0 0 5px rgba(232, 176, 75, 0.13), 0 0 18px var(--ct-gold-soft);
  transition: box-shadow var(--yz-swell) ease-out;
}

.page-contact .ct-step:hover .ct-step__node {
  box-shadow: 0 0 0 8px rgba(232, 176, 75, 0.16), 0 0 26px var(--yz-gold);
}

.page-contact .ct-step__index {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--yz-amber);
}

.page-contact .ct-step__title {
  margin: 8px 0 0;
  font-family: var(--yz-serif);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 22px);
  color: var(--yz-moon);
}

.page-contact .ct-step__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yz-mist);
  max-width: 34em;
}

.page-contact .ct-step__owner {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--yz-line);
  font-size: 13px;
  color: var(--yz-glow);
  letter-spacing: 0.01em;
}

/* ============ 渠道 + 准备清单 ============ */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(38px, 5vw, 72px);
}

.page-contact .ct-split__lede {
  margin-top: 14px;
  color: var(--yz-mist);
}

.page-contact .ct-channels {
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-channel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: center;
  gap: 4px 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--yz-panel);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  transition: transform var(--yz-wave) ease-out, border-color var(--yz-wave) ease-out, box-shadow var(--yz-wave) ease-out;
}

.page-contact .ct-channel:hover {
  transform: translateY(-2px);
  border-color: var(--ct-gold-soft);
  box-shadow: 0 0 0 1px rgba(232, 176, 75, 0.16), 0 22px 44px -30px rgba(232, 176, 75, 0.75);
}

.page-contact .ct-channel__icon {
  grid-row: span 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(79, 179, 154, 0.45);
  color: var(--yz-jade);
}

.page-contact .ct-channel__label {
  margin: 0;
  font-family: var(--yz-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--yz-mist);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--yz-mono);
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.55;
  color: var(--yz-moon);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--addr {
  font-family: var(--yz-sans);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-contact .ct-channel__note {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--yz-mist);
}

.page-contact .ct-aside {
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.78), rgba(11, 27, 51, 0.45));
}

.page-contact .ct-aside__title {
  margin: 14px 0 0;
  font-family: var(--yz-serif);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  color: var(--yz-moon);
}

.page-contact .ct-aside__hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--yz-mist);
}

.page-contact .ct-checklist {
  margin-top: 20px;
}

.page-contact .ct-aside__collapse {
  margin-top: 20px;
}

/* ============ 响应与到访 ============ */
.page-contact .ct-follow__grid {
  margin-top: clamp(26px, 3.6vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--yz-line);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  overflow: hidden;
}

.page-contact .ct-follow__item {
  padding: clamp(22px, 3vw, 34px);
  background: rgba(11, 27, 51, 0.9);
  transition: background-color var(--yz-wave) ease-out;
}

.page-contact .ct-follow__item:hover {
  background: rgba(18, 41, 74, 0.9);
}

.page-contact .ct-follow__stamp {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--ct-gold-faint);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yz-gold);
}

.page-contact .ct-follow__title {
  margin: 14px 0 0;
  font-family: var(--yz-serif);
  font-weight: 800;
  font-size: clamp(18px, 2.1vw, 21px);
  color: var(--yz-moon);
}

.page-contact .ct-follow__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--yz-mist);
}

/* ============ 合作之前 ============ */
.page-contact .ct-next__panel {
  padding: clamp(26px, 4vw, 54px);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius-lg);
  background:
    radial-gradient(110% 130% at 92% 0%, rgba(232, 176, 75, 0.09), transparent 60%),
    linear-gradient(180deg, #12294A 0%, #0B1B33 100%);
}

.page-contact .ct-next__panel .yz-prose {
  margin-top: 14px;
  color: var(--yz-mist);
}

.page-contact .ct-next__list {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--yz-line);
  border: 1px solid var(--yz-line);
  border-radius: var(--yz-radius);
  overflow: hidden;
}

.page-contact .ct-next__list li {
  background: rgba(11, 27, 51, 0.86);
}

.page-contact .ct-next__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 16px 20px;
  color: var(--yz-moon);
  text-decoration: none;
  transition: color var(--yz-wave) ease-out, background-color var(--yz-wave) ease-out;
}

.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  color: var(--yz-glow);
  background: var(--ct-gold-faint);
}

.page-contact .ct-next__list strong {
  font-weight: 700;
  font-size: 15.5px;
}

.page-contact .ct-next__list span {
  font-size: 13.5px;
  color: var(--yz-mist);
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-contact .ct-hero__shortcuts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .ct-tracks__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-follow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .ct-flow::before {
    left: 8px;
    right: 8px;
    top: 14px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: repeating-linear-gradient(to right, var(--yz-line) 0 6px, transparent 6px 13px);
  }
  .page-contact .ct-step {
    padding: 46px 26px 0 0;
  }
  .page-contact .ct-step__node {
    left: 8px;
    top: 8px;
  }
  .page-contact .ct-step__text {
    max-width: none;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-contact .ct-tracks__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-step__node,
  .page-contact .ct-track,
  .page-contact .ct-follow__item {
    transition: none;
  }
  .page-contact .ct-channel:hover {
    transform: none;
  }
}
<<<END>>>