.page-contact {
  --ct-gap: clamp(18px, 3vw, 28px);
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .breadcrumb a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid var(--fence);
  padding-bottom: 1px;
  transition: color 120ms ease, border-color 120ms ease;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--pitch-hi);
  border-color: var(--pitch-hi);
}

.page-contact .ct-hero h1 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(29px, 6.2vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 16px;
  max-width: 18ch;
}

.page-contact .ct-hero .lede {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 两条通道 ---------- */
.page-contact .ct-doors {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .ct-door {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--hard);
}

.page-contact .ct-door--mail {
  border-color: var(--pitch);
}

.page-contact .ct-door--phone {
  border-color: var(--attack);
}

.page-contact .ct-door__tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-contact .ct-door__tag::before {
  content: "";
  width: 10px;
  height: 10px;
  background: currentColor;
  flex: 0 0 auto;
}

.page-contact .ct-door--mail .ct-door__tag {
  color: var(--pitch-hi);
}

.page-contact .ct-door--phone .ct-door__tag {
  color: var(--attack);
}

.page-contact .ct-door__value {
  margin: 0;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(16px, 3.4vw, 23px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-door__meta {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 15px 0 0;
  border-top: 1px solid var(--fence);
}

.page-contact .ct-door__meta > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
}

.page-contact .ct-door__meta dt {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white);
  padding-top: 2px;
}

.page-contact .ct-door__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mute);
}

/* ---------- 通用文本 ---------- */
.page-contact .ct-h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--white);
  margin: 0 0 14px;
  max-width: 22ch;
}

.page-contact .ct-text {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 纠错流程 ---------- */
.page-contact .ct-fix {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-contact .ct-flow {
  display: grid;
  gap: 14px;
  margin-top: 6px;
}

.page-contact .ct-arrow {
  width: 34px;
  height: 34px;
  justify-self: center;
  align-self: center;
  color: var(--pitch);
  transform: rotate(90deg);
}

.page-contact .ct-step {
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background: var(--ink-2);
  padding: 14px 16px;
  transition: border-color 140ms ease;
}

.page-contact .ct-step[open] {
  border-color: var(--pitch);
}

.page-contact .ct-step summary {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.4;
  color: var(--white);
}

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

.page-contact .ct-step summary:hover {
  color: var(--pitch-hi);
}

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

.page-contact .ct-step__no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--pitch);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 700;
  border-radius: 2px;
}

.page-contact .ct-step__body {
  margin: 12px 0 0;
  padding-left: 46px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mute);
}

.page-contact .ct-flow__note {
  margin: 22px 0 0;
  max-width: 62ch;
  padding: 4px 0 4px 14px;
  border-left: 3px solid var(--amber);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-contact .ct-aside {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-contact .ct-aside a {
  color: var(--pitch-hi);
  text-decoration: none;
  border-bottom: 2px solid var(--fence);
  transition: border-color 120ms ease;
}

.page-contact .ct-aside a:hover,
.page-contact .ct-aside a:focus-visible {
  border-color: var(--pitch-hi);
}

/* ---------- 合作 ---------- */
.page-contact .ct-coop-sec {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-contact .ct-coop {
  display: grid;
  gap: 20px;
}

.page-contact .ct-coop__item {
  padding-top: 14px;
  border-top: 3px solid var(--fence);
}

.page-contact .ct-coop__item h3 {
  margin: 0 0 9px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--pitch-hi);
  letter-spacing: -0.01em;
}

.page-contact .ct-coop__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 横图 ---------- */
.page-contact .ct-shot {
  margin: clamp(40px, 6vw, 72px) 0 0;
}

.page-contact .ct-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background: var(--ink-2);
}

.page-contact .ct-shot figcaption {
  margin-top: 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--mute);
}

/* ---------- 地址与来访 ---------- */
.page-contact .ct-visit {
  margin-top: clamp(44px, 6vw, 78px);
}

.page-contact .ct-visit__grid {
  display: grid;
  gap: 26px;
}

.page-contact .ct-addr {
  margin: 0 0 18px;
  padding: 15px 17px;
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background: var(--ink-2);
  font-family: var(--f-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .ct-fold {
  border-top: 3px solid var(--fence);
  padding-top: 14px;
}

.page-contact .ct-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 15px;
  color: var(--white);
}

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

.page-contact .ct-fold summary::after {
  content: "+";
  font-family: var(--f-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--pitch-hi);
}

.page-contact .ct-fold[open] summary::after {
  content: "\2013";
}

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

.page-contact .ct-fold p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

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

.page-contact .ct-visit__img img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 3px solid var(--fence);
  border-radius: var(--r);
  box-shadow: var(--hard-sm);
  background: var(--ink-2);
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-more {
  display: grid;
  gap: 14px;
  margin-top: clamp(36px, 5vw, 62px);
  padding-top: 20px;
  border-top: 3px solid var(--fence);
}

.page-contact .ct-more__link {
  display: grid;
  gap: 7px;
  padding: 15px 17px;
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background: var(--ink-2);
  text-decoration: none;
  transition: transform 120ms ease, border-color 120ms ease;
}

.page-contact .ct-more__link:hover,
.page-contact .ct-more__link:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--pitch);
}

.page-contact .ct-more__k {
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 15px;
  color: var(--white);
  line-height: 1.4;
}

.page-contact .ct-more__v {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mute);
}

/* ---------- 收束带 ---------- */
.page-contact .ct-band {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(28px, 5vw, 52px) clamp(20px, 4vw, 44px);
  border: 3px solid var(--fence);
  border-radius: var(--r);
  background:
    radial-gradient(120% 95% at 10% 0%, rgba(31, 164, 91, 0.28), transparent 62%),
    radial-gradient(95% 85% at 94% 100%, rgba(255, 90, 43, 0.22), transparent 64%),
    linear-gradient(158deg, #0F1B15 0%, #0B1310 58%, #0A1210 100%);
}

.page-contact .ct-band h2 {
  margin: 0 0 12px;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 31px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--white);
  max-width: 20ch;
}

.page-contact .ct-band__text {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

/* ---------- 断点 ---------- */
@media (min-width: 780px) {
  .page-contact .ct-coop {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(18px, 2.6vw, 30px);
  }

  .page-contact .ct-more {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-doors {
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 3vw, 34px);
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
    gap: clamp(26px, 4vw, 52px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: start;
    gap: 12px;
  }

  .page-contact .ct-arrow {
    transform: none;
    margin-top: 26px;
  }

  .page-contact .ct-step__body {
    padding-left: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-more__link,
  .page-contact .ct-step,
  .page-contact .breadcrumb a,
  .page-contact .ct-aside a {
    transition: none;
  }

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