.page-contact {
  --ct-line: rgba(45, 226, 208, 0.24);
  --ct-soft: rgba(157, 182, 200, 0.18);
  --ct-faint: rgba(157, 182, 200, 0.08);
  position: relative;
  background-color: var(--abyss);
  color: var(--mist);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(900px, 82vh);
  background-image:
    repeating-linear-gradient(to right, rgba(45, 226, 208, 0.055) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(to bottom, rgba(45, 226, 208, 0.055) 0 1px, transparent 1px 96px);
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(circle at 20% 26%, #000 0%, transparent 76%);
  mask-image: radial-gradient(circle at 20% 26%, #000 0%, transparent 76%);
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

.page-contact .sig-shell {
  margin-inline: auto;
}

/* 面包屑 */
.page-contact .ct-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(100px, 14vw, 138px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-contact .ct-crumb__link {
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

.page-contact .ct-crumb__sep {
  color: var(--graphite);
}

.page-contact .ct-crumb__here {
  color: var(--cyan);
}

/* 首屏 */
.page-contact .ct-hero {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-hero__frame {
  position: relative;
  padding: clamp(26px, 4.4vw, 62px) clamp(20px, 4vw, 58px) clamp(30px, 4.6vw, 66px);
  border: 1px solid var(--ct-soft);
  background:
    radial-gradient(circle at 86% 8%, rgba(45, 226, 208, 0.16), transparent 48%),
    radial-gradient(circle at 6% 96%, rgba(255, 122, 61, 0.12), transparent 44%),
    linear-gradient(158deg, rgba(11, 36, 56, 0.96), rgba(6, 26, 43, 0.68));
}

.page-contact .ct-hero__frame::before,
.page-contact .ct-hero__frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-contact .ct-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .ct-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-contact .ct-head__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-head__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .ct-hero__title {
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--mist);
}

.page-contact .ct-hero__lead {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--tide);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

/* 概览刻度带 */
.page-contact .ct-ticker {
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .ct-ticker__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--ct-soft);
}

.page-contact .ct-ticker__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-faint);
}

.page-contact .ct-ticker__row dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--tide);
}

.page-contact .ct-ticker__row dd {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* 联系渠道 */
.page-contact .ct-console {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(46px, 7vw, 92px);
}

.page-contact .ct-radio {
  position: relative;
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--night);
  overflow: hidden;
}

.page-contact .ct-radio img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-radio::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(45, 226, 208, 0.14) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(to bottom, rgba(45, 226, 208, 0.14) 0 1px, transparent 1px 44px);
  pointer-events: none;
}

.page-contact .ct-radio__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 8px 14px;
  background: rgba(6, 26, 43, 0.88);
  border-top: 1px solid var(--ct-line);
  border-right: 1px solid var(--ct-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-contact .ct-hours {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-hours__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--ct-faint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-contact .ct-hours__k {
  color: var(--tide);
}

.page-contact .ct-hours__v {
  color: var(--radar);
}

.page-contact .ct-head {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.8vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-contact .ct-head__note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--tide);
}

.page-contact .ct-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
}

.page-contact .ct-list__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-top: 1px solid var(--ct-soft);
}

.page-contact .ct-list__item:last-child {
  border-bottom: 1px solid var(--ct-soft);
}

.page-contact .ct-list__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lava);
}

.page-contact .ct-list__body {
  min-width: 0;
}

.page-contact .ct-list__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-contact .ct-list__value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.1vw, 23px);
  letter-spacing: -0.01em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  word-break: break-word;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

.page-contact .ct-list__note {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--tide);
}

/* 通用区块 */
.page-contact .ct-block {
  margin-top: clamp(56px, 8vw, 108px);
}

/* 数据反馈 */
.page-contact .ct-feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ctstep;
}

.page-contact .ct-steps__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--ct-soft);
}

.page-contact .ct-steps__item:last-child {
  border-bottom: 1px solid var(--ct-soft);
}

.page-contact .ct-steps__item::before {
  counter-increment: ctstep;
  content: counter(ctstep, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ct-steps__body {
  min-width: 0;
}

.page-contact .ct-steps__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ct-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--tide);
}

.page-contact .ct-jump {
  position: relative;
  align-self: start;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--ct-line);
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 122, 61, 0.16), transparent 52%),
    linear-gradient(150deg, rgba(18, 54, 77, 0.96), rgba(11, 36, 56, 0.68));
}

.page-contact .ct-jump::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--lava), transparent);
}

.page-contact .ct-jump__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-contact .ct-jump__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .ct-jump__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--tide);
}

.page-contact .ct-jump__btn {
  margin-top: 18px;
}

/* 合作场景 */
.page-contact .ct-scenes {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--ct-soft);
}

.page-contact .ct-scene {
  border-bottom: 1px solid var(--ct-soft);
  transition: background var(--t) var(--ease);
}

.page-contact .ct-scene[open] {
  background: linear-gradient(90deg, rgba(45, 226, 208, 0.08), transparent 64%);
}

.page-contact .ct-scene__summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: clamp(16px, 2.2vw, 22px) clamp(2px, 1vw, 14px);
  cursor: pointer;
  list-style: none;
  transition: background var(--t) var(--ease);
}

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

.page-contact .ct-scene__summary:hover,
.page-contact .ct-scene__summary:focus-visible {
  background: rgba(45, 226, 208, 0.06);
}

.page-contact .ct-scene__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-contact .ct-scene__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ct-scene__hint {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-contact .ct-scene__hint::after {
  content: "+";
  display: inline-block;
  margin-left: 10px;
  color: var(--cyan);
  font-size: 14px;
}

.page-contact .ct-scene[open] .ct-scene__hint::after {
  content: "−";
}

.page-contact .ct-scene__panel {
  display: grid;
  gap: 12px;
  padding: 0 clamp(2px, 1vw, 14px) clamp(20px, 3vw, 28px) clamp(46px, 7vw, 60px);
}

.page-contact .ct-scene__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--tide);
}

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

.page-contact .ct-scene__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-scene__list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* 接入流程 */
.page-contact .ct-flow {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--ct-line);
}

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

.page-contact .ct-flow__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 30px);
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .ct-flow__track {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-flow__step {
  position: relative;
  padding: 16px 0 16px 22px;
  border-left: 1px solid var(--ct-soft);
}

.page-contact .ct-flow__dot {
  position: absolute;
  top: 22px;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .ct-flow__step:nth-child(5) .ct-flow__dot {
  background: var(--lava);
}

.page-contact .ct-flow__name {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .ct-flow__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--tide);
}

/* 内容共建 */
.page-contact .ct-cocreate {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .ct-ring {
  position: relative;
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--night);
  overflow: hidden;
}

.page-contact .ct-ring img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-contact .ct-ring__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: rgba(6, 26, 43, 0.88);
  border-top: 1px solid var(--ct-line);
  border-right: 1px solid var(--ct-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-cocreate__body {
  min-width: 0;
}

.page-contact .ct-cards {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-cards__item {
  padding: 16px 0;
  border-top: 1px solid var(--ct-faint);
}

.page-contact .ct-cards__item:last-child {
  border-bottom: 1px solid var(--ct-faint);
}

.page-contact .ct-cards__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .ct-cards__text {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--tide);
}

.page-contact .ct-cocreate__foot {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--tide);
}

.page-contact .ct-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 208, 0.4);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-contact .ct-inline-link:hover,
.page-contact .ct-inline-link:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* 地址与备案 */
.page-contact .ct-registry {
  margin-top: clamp(48px, 7vw, 96px);
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-soft);
}

.page-contact .ct-registry__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-registry__grid {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .ct-registry__cell {
  padding: 14px 0;
  border-top: 1px dashed var(--ct-faint);
}

.page-contact .ct-registry__cell dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-contact .ct-registry__cell dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-registry__note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 66ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--tide);
}

/* 尾部链接 */
.page-contact .ct-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-tail__text {
  margin: 0;
  max-width: 54ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--tide);
}

.page-contact .ct-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-contact .ct-tail__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

@media (min-width: 640px) {
  .page-contact .ct-ticker__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--ct-soft);
  }

  .page-contact .ct-ticker__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 20px 16px 0;
    border-bottom: 0;
    border-right: 1px solid var(--ct-faint);
  }

  .page-contact .ct-ticker__row:last-child {
    border-right: 0;
  }

  .page-contact .ct-scene__hint {
    display: inline;
  }

  .page-contact .ct-registry__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(18px, 3vw, 36px);
  }
}

@media (min-width: 860px) {
  .page-contact .ct-feedback {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }

  .page-contact .ct-flow__track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .ct-flow__step {
    padding: 18px 18px 0 0;
    border-left: 0;
    border-top: 1px solid var(--ct-soft);
  }

  .page-contact .ct-flow__dot {
    top: -4px;
    left: 0;
  }

  .page-contact .ct-cocreate {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-console {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    align-items: start;
  }

  .page-contact .ct-console__visual {
    position: sticky;
    top: calc(var(--hdr-top) + 96px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-crumb__link,
  .page-contact .ct-list__value,
  .page-contact .ct-scene,
  .page-contact .ct-scene__summary,
  .page-contact .ct-inline-link,
  .page-contact .ct-tail__link {
    transition: none;
  }
}
<<<END>>>