.page-contact {
  --ct-line: 1px solid var(--edge);
  display: block;
  position: relative;
  background: var(--void);
  color: var(--ice);
  padding-bottom: clamp(44px, 7vw, 92px);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding-top: clamp(14px, 2.4vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(26px, 4.4vw, 44px) 0 clamp(30px, 5vw, 64px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(143, 107, 255, .3), transparent 62%),
    radial-gradient(90% 80% at 0% 110%, rgba(37, 244, 212, .16), transparent 64%);
}

.page-contact .ct-hero__ring {
  position: absolute;
  top: -22%;
  right: -26%;
  width: min(92vw, 780px);
  height: auto;
  z-index: -1;
  fill: none;
  stroke: var(--purple);
  stroke-width: 1.2;
  opacity: .34;
  pointer-events: none;
}

.page-contact .ct-hero__ring circle:nth-child(2) {
  stroke: var(--cyan);
  opacity: .75;
}

.page-contact .ct-hero__ring circle:nth-child(4) {
  stroke: var(--cyan);
  opacity: .45;
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .ct-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -.03em;
  text-wrap: balance;
}

.page-contact .ct-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ice);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .ct-hero__actions .btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
}

.page-contact .ct-hero__dial {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 10px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-contact .ct-hero__dial-item {
  padding: 12px 14px;
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: rgba(14, 23, 48, .78);
}

.page-contact .ct-hero__dial-item dt {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--steel);
  font-family: var(--font-mono);
}

.page-contact .ct-hero__dial-item dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-contact .ct-hero__media {
  margin: 0;
}

.page-contact .ct-hero__media .media-frame {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-lift);
}

.page-contact .ct-hero__media .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-hero__media .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通用小节头 ---------- */
.page-contact .ct-sec-head {
  max-width: 68ch;
}

.page-contact .ct-sec-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-contact .ct-sec-head__lead {
  margin: 12px 0 0;
  font-size: clamp(14px, 1.55vw, 16px);
  line-height: 1.8;
  color: var(--steel);
}

.page-contact a.ct-mail,
.page-contact .ct-channel__value--mail {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(37, 244, 212, .4);
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.page-contact a.ct-mail:hover,
.page-contact .ct-channel__value--mail:hover {
  color: var(--amber);
  text-decoration-color: var(--amber);
}

/* ---------- 问题路由 ---------- */
.page-contact .ct-router {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: var(--ct-line);
}

.page-contact .router {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .router__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

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

.page-contact .router__tab {
  display: grid;
  gap: 5px;
  padding: 15px 16px 17px;
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: var(--deck);
  cursor: pointer;
  transition: background .28s var(--ease), border-color .28s var(--ease), transform .28s var(--ease);
}

.page-contact .router__tab:hover {
  border-color: rgba(37, 244, 212, .55);
  transform: translateY(-2px);
}

.page-contact .router__code {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--steel);
}

.page-contact .router__title {
  font-weight: 700;
  font-size: 16px;
  color: var(--ice);
}

.page-contact .router__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact #ct-route-1:checked ~ .router__tabs .router__tab[for="ct-route-1"],
.page-contact #ct-route-2:checked ~ .router__tabs .router__tab[for="ct-route-2"],
.page-contact #ct-route-3:checked ~ .router__tabs .router__tab[for="ct-route-3"],
.page-contact #ct-route-4:checked ~ .router__tabs .router__tab[for="ct-route-4"] {
  border-color: var(--cyan);
  background: linear-gradient(152deg, rgba(37, 244, 212, .17), rgba(143, 107, 255, .13));
}

.page-contact #ct-route-1:checked ~ .router__tabs .router__tab[for="ct-route-1"] .router__code,
.page-contact #ct-route-2:checked ~ .router__tabs .router__tab[for="ct-route-2"] .router__code,
.page-contact #ct-route-3:checked ~ .router__tabs .router__tab[for="ct-route-3"] .router__code,
.page-contact #ct-route-4:checked ~ .router__tabs .router__tab[for="ct-route-4"] .router__code {
  color: var(--amber);
}

.page-contact #ct-route-1:focus-visible ~ .router__tabs .router__tab[for="ct-route-1"],
.page-contact #ct-route-2:focus-visible ~ .router__tabs .router__tab[for="ct-route-2"],
.page-contact #ct-route-3:focus-visible ~ .router__tabs .router__tab[for="ct-route-3"],
.page-contact #ct-route-4:focus-visible ~ .router__tabs .router__tab[for="ct-route-4"] {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .router__panels {
  margin-top: 14px;
}

.page-contact .router__panel {
  display: none;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(37, 244, 212, .32);
  border-radius: var(--radius-cut);
  background:
    linear-gradient(160deg, rgba(14, 23, 48, .96), rgba(6, 9, 20, .96)),
    var(--deck);
  animation: ct-fade .32s var(--ease) both;
}

.page-contact #ct-route-1:checked ~ .router__panels .router__panel:nth-child(1),
.page-contact #ct-route-2:checked ~ .router__panels .router__panel:nth-child(2),
.page-contact #ct-route-3:checked ~ .router__panels .router__panel:nth-child(3),
.page-contact #ct-route-4:checked ~ .router__panels .router__panel:nth-child(4) {
  display: block;
}

@keyframes ct-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-contact .router__panel h3 {
  margin: 12px 0 0;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-contact .router__panel > p {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}

.page-contact .router__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .router__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .router__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .router__list .mono {
  color: var(--lime);
  font-size: 13px;
}

.page-contact .router__send {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--ct-line);
  font-size: 14px;
  color: var(--steel);
}

.page-contact .router__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .router__hint a {
  color: var(--purple);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .router__hint a:hover {
  color: var(--amber);
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-channels {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: var(--ct-line);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap, 14px);
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .ct-channel {
  padding: clamp(18px, 2.6vw, 26px);
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: var(--deck);
}

.page-contact .ct-channel--main {
  border-color: rgba(37, 244, 212, .4);
  background: linear-gradient(150deg, rgba(37, 244, 212, .12), rgba(14, 23, 48, .95) 62%);
}

.page-contact .ct-channel--phone {
  border-color: rgba(255, 176, 32, .38);
  background: linear-gradient(150deg, rgba(255, 176, 32, .1), rgba(14, 23, 48, .95) 60%);
}

.page-contact .ct-channel--address {
  background: rgba(14, 23, 48, .6);
}

.page-contact .ct-channel__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-contact .ct-channel__value {
  display: block;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-contact .ct-channel__value--mail {
  font-size: clamp(15px, 2.3vw, 23px);
  word-break: break-all;
}

.page-contact .ct-channel__value--tel {
  font-size: clamp(30px, 6.4vw, 54px);
  color: var(--amber);
  letter-spacing: .01em;
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .ct-channel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-response {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: var(--ct-line);
}

.page-contact .ct-timeline {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .ct-timeline__item {
  position: relative;
  padding: clamp(18px, 2.6vw, 24px);
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: rgba(14, 23, 48, .7);
}

.page-contact .ct-timeline__node {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--void);
  background: var(--cyan);
  border-radius: 2px 10px 2px 2px;
}

.page-contact .ct-timeline__head {
  margin: 12px 0 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .ct-timeline__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 来信准备 ---------- */
.page-contact .ct-kit {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: var(--ct-line);
  background:
    radial-gradient(80% 70% at 100% 0%, rgba(143, 107, 255, .18), transparent 58%);
}

.page-contact .ct-kit__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .ct-kit__list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: rgba(14, 23, 48, .8);
  cursor: pointer;
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-contact .ct-check:hover {
  border-color: rgba(182, 255, 59, .45);
}

.page-contact .ct-check input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--steel);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .ct-check input:checked {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: inset 0 0 0 3px var(--deck);
}

.page-contact .ct-check input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .ct-check span {
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel);
}

.page-contact .ct-check strong {
  color: var(--ice);
  font-weight: 700;
}

.page-contact .ct-kit__tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-kit__media {
  margin: 0;
}

.page-contact .ct-kit__media .media-frame {
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-lift);
}

.page-contact .ct-kit__media .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-kit__media .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-next {
  padding: clamp(34px, 6vw, 68px) 0 0;
  border-top: var(--ct-line);
}

.page-contact .ct-next__list {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .ct-next__card {
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px;
  border: var(--ct-line);
  border-radius: var(--radius-cut);
  background: var(--deck);
  text-decoration: none;
  transition: border-color .26s var(--ease), transform .26s var(--ease), background .26s var(--ease);
}

.page-contact .ct-next__card:hover,
.page-contact .ct-next__card:focus-visible {
  border-color: var(--cyan);
  background: rgba(37, 244, 212, .08);
  transform: translateY(-2px);
}

.page-contact .ct-next__code {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--purple);
}

.page-contact .ct-next__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ice);
}

.page-contact .ct-next__text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .router__tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-contact .ct-hero__ring {
    right: -12%;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-contact .ct-channel--address {
    grid-column: 1 / -1;
  }

  .page-contact .ct-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .ct-timeline__item::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--purple));
    opacity: .5;
  }

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

@media (min-width: 1080px) {
  .page-contact .router__tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-next__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .router__panel {
    animation: none;
  }

  .page-contact .router__tab,
  .page-contact .ct-check,
  .page-contact .ct-next__card {
    transition: none;
  }

  .page-contact .router__tab:hover,
  .page-contact .ct-next__card:hover,
  .page-contact .ct-next__card:focus-visible {
    transform: none;
  }
}
<<<END>>>

.page-contact {
  --ct-gap: 1rem;
}