.page-contact {
  --ct-radius: 22px 5px 22px 5px;
  --ct-radius-sm: 4px 16px 4px 16px;
  background: var(--ink);
  color: var(--paper);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .ct-hero,
.page-contact .ct-channels,
.page-contact .ct-tracks,
.page-contact .ct-flow,
.page-contact .ct-faq,
.page-contact .ct-close {
  padding-block: clamp(44px, 7.5vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumb-item {
  color: var(--paper-faint);
}

.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--gold-soft);
}

.page-contact .breadcrumb-link {
  color: var(--paper-faint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(28px, 4.5vw, 52px);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -45% 34%;
  height: 70%;
  background: radial-gradient(circle at 60% 45%, rgba(217, 164, 65, 0.18), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 54px);
  align-items: center;
}

.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(1.95rem, 6.2vw, 4.15rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.page-contact .ct-hero .lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.5vw, 32px);
}

.page-contact .ct-hero-figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .ct-hero-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(36px, 6vw, 72px);
}

.page-contact .ct-channels-grid {
  display: grid;
  gap: clamp(32px, 5.5vw, 60px);
}

.page-contact .ct-channel-main .section-title {
  margin: 10px 0 clamp(18px, 3vw, 28px);
}

.page-contact .ct-channel-block {
  padding: 22px 0 24px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-channel-block:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-channel-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ct-channel-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1rem, 4.6vw, 2.05rem);
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel-tel {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.35rem, 5.6vw, 2.55rem);
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-contact .ct-channel-desc {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-faint);
}

.page-contact .ct-channel-side {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .ct-side-card {
  background: var(--ink-2);
  border-radius: var(--ct-radius);
  padding: 20px 22px;
}

.page-contact .ct-side-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-dim);
}

.page-contact .ct-side-card p.ct-side-label {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-side-card p.ct-side-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-contact .ct-address {
  border: 1px solid var(--line-soft);
  border-radius: var(--ct-radius-sm);
  padding: 18px 22px;
}

.page-contact .ct-address p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-faint);
}

.page-contact .ct-address p.ct-side-label {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-tracks {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-section-head {
  max-width: 700px;
  margin-bottom: clamp(26px, 4.5vw, 44px);
}

.page-contact .ct-section-head .lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-track {
  border-top: 1px solid var(--line-ink);
  padding: 22px 0 24px;
}

.page-contact .ct-track:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-contact .ct-track-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-contact .ct-track-title {
  margin: 8px 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
}

.page-contact .ct-track p:not(.ct-track-index) {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 响应流程 ---------- */
.page-contact .ct-flow {
  background: var(--mist);
  color: var(--ink);
}

.page-contact .ct-flow-grid {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  align-items: start;
}

.page-contact .ct-flow-copy .section-title {
  margin: 10px 0 clamp(20px, 3.5vw, 30px);
}

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

.page-contact .ct-steps li {
  position: relative;
  padding-left: 44px;
  padding-bottom: 24px;
}

.page-contact .ct-steps li:last-child {
  padding-bottom: 0;
}

.page-contact .ct-steps li::before {
  counter-increment: ct-step;
  content: "0" counter(ct-step);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--clay);
}

.page-contact .ct-steps li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 26px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(rgba(181, 113, 79, 0.55), rgba(181, 113, 79, 0.06));
}

.page-contact .ct-steps li:last-child::after {
  display: none;
}

.page-contact .ct-steps {
  counter-reset: ct-step;
}

.page-contact .ct-steps strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.page-contact .ct-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-flow-note {
  margin: 26px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--coral);
  background: rgba(232, 102, 61, 0.09);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-contact .ct-flow-figure {
  margin: 0;
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid rgba(18, 22, 28, 0.14);
}

.page-contact .ct-flow-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-contact .ct-flow-figure .media-caption {
  margin: 0;
  padding: 14px 18px 16px;
  background: var(--ink-2);
  color: var(--paper-dim);
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-faq-grid {
  display: grid;
  gap: clamp(26px, 4.5vw, 48px);
}

.page-contact .ct-faq-head .section-title {
  margin: 10px 0 14px;
}

.page-contact .ct-faq-head .lede {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate);
}

.page-contact .ct-faq-item {
  border-top: 1px solid var(--line-ink);
  padding: 16px 0;
}

.page-contact .ct-faq-item:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-contact .ct-faq-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-contact .ct-faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--clay);
  transition: transform 200ms var(--ease);
}

.page-contact .ct-faq-item[open] summary::after {
  content: "–";
}

.page-contact .ct-faq-item p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 收尾信息带 ---------- */
.page-contact .ct-close {
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-close-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .ct-close-cell {
  background: var(--ink-2);
  border-radius: var(--ct-radius);
  padding: 22px 22px 24px;
  border: 1px solid var(--line-soft);
}

.page-contact .ct-close-cell--gold {
  background: linear-gradient(155deg, rgba(217, 164, 65, 0.2), rgba(29, 42, 51, 0.9) 62%);
  border-color: rgba(217, 164, 65, 0.4);
}

.page-contact .ct-close-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ct-close-value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .ct-close-cell p:not(.ct-close-label):not(.ct-close-value) {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-dim);
}

.page-contact .ct-close-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-close-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-contact .ct-close-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .ct-close-list--num {
  counter-reset: prep;
}

.page-contact .ct-close-list--num li::before {
  counter-increment: prep;
  content: counter(prep);
  width: auto;
  height: auto;
  top: 0;
  border-radius: 0;
  background: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-soft);
}

.page-contact .ct-close-link {
  display: inline-block;
  font-size: 14px;
  color: var(--cyan);
}

.page-contact .ct-close-link:hover,
.page-contact .ct-close-link:focus-visible {
  color: var(--gold-soft);
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

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

  .page-contact .ct-close-cell--gold {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-channels-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .ct-track {
    display: grid;
    grid-template-columns: 128px minmax(0, 1fr) minmax(0, 300px);
    gap: 28px;
    align-items: baseline;
    padding: 24px 0 26px;
  }

  .page-contact .ct-track:nth-child(even) {
    margin-left: clamp(0px, 5vw, 84px);
  }

  .page-contact .ct-track:nth-child(odd) {
    margin-right: clamp(0px, 5vw, 84px);
  }

  .page-contact .ct-track-title {
    margin: 0;
  }

  .page-contact .ct-faq-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-faq-head {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-flow-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-contact .ct-close-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
  }

  .page-contact .ct-close-cell--gold {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb-link,
  .page-contact .ct-faq-item summary::after,
  .page-contact .ct-close-link {
    transition: none;
  }
}
<<<END>>>