.page-contact {
  --ct-line: rgba(201, 209, 218, 0.18);
  --ct-line-soft: rgba(201, 209, 218, 0.1);
  --ct-glass: rgba(19, 43, 74, 0.66);
  --ct-ink-soft: #4b5563;
  background: var(--navy);
  color: var(--warm);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .ct-shell {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 面包屑 */
.page-contact .ct-crumb {
  background: var(--navy);
  padding-block: 16px 0;
  font-size: 12px;
}

.page-contact .ct-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-contact .ct-crumb .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .ct-crumb .breadcrumb a:hover,
.page-contact .ct-crumb .breadcrumb a:focus-visible {
  color: var(--orange);
}

.page-contact .ct-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

.page-contact .ct-crumb .breadcrumb [aria-current="page"] {
  color: var(--warm);
}

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 4vw, 44px) clamp(48px, 7vw, 92px);
  background:
    radial-gradient(circle at 10% 14%, rgba(79, 174, 159, 0.16), transparent 46%),
    radial-gradient(circle at 90% 4%, rgba(255, 107, 44, 0.14), transparent 42%),
    var(--navy);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(112deg, transparent 0 52%, rgba(19, 43, 74, 0.92) 52% 100%);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-contact .ct-hero .lead {
  margin: 0 0 24px;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--mist);
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--ct-line);
  background: rgba(11, 31, 58, 0.55);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .ct-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--celadon);
}

/* 卡片 */
.page-contact .ct-card {
  border: 1px solid var(--ct-line);
  background: var(--ct-glass);
  padding: clamp(20px, 3vw, 28px);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .ct-card--contact {
  border-top: 3px solid var(--orange);
}

.page-contact .ct-card__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .ct-channel {
  display: grid;
  gap: 2px;
  padding-block: 13px;
  border-bottom: 1px dashed var(--ct-line-soft);
}

.page-contact .ct-channel:last-of-type {
  border-bottom: 0;
}

.page-contact .ct-channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-contact .ct-channel__value {
  font-size: 15px;
  color: var(--warm);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .ct-card__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 章节骨��� */
.page-contact .ct-section {
  position: relative;
  padding-block: clamp(48px, 7vw, 88px);
}

.page-contact .ct-section--paper {
  background: var(--warm);
  color: var(--ink);
}

.page-contact .ct-section--deep {
  background: var(--midnight);
}

.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .ct-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: inherit;
}

.page-contact .ct-head p {
  margin: 0;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .ct-section--paper .ct-head p {
  color: var(--ct-ink-soft);
}

/* 合作类型切换 */
.page-contact .ct-tabs {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .ct-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .ct-tabs__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-contact .ct-tab {
  display: grid;
  gap: 4px;
  flex: 0 0 auto;
  min-width: 170px;
  padding: 14px 16px;
  border: 1px solid var(--ct-line);
  background: rgba(19, 43, 74, 0.5);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .ct-tab:hover {
  border-color: var(--line-strong);
  background: rgba(19, 43, 74, 0.8);
}

.page-contact .ct-tab__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-contact .ct-tab__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--warm);
}

.page-contact #ct-type-a:checked ~ .ct-tabs__nav .ct-tab--a,
.page-contact #ct-type-b:checked ~ .ct-tabs__nav .ct-tab--b,
.page-contact #ct-type-c:checked ~ .ct-tabs__nav .ct-tab--c {
  border-color: var(--orange);
  background: rgba(255, 107, 44, 0.14);
}

.page-contact #ct-type-a:checked ~ .ct-tabs__nav .ct-tab--a .ct-tab__idx,
.page-contact #ct-type-b:checked ~ .ct-tabs__nav .ct-tab--b .ct-tab__idx,
.page-contact #ct-type-c:checked ~ .ct-tabs__nav .ct-tab--c .ct-tab__idx {
  color: var(--orange);
}

.page-contact #ct-type-a:focus-visible ~ .ct-tabs__nav .ct-tab--a,
.page-contact #ct-type-b:focus-visible ~ .ct-tabs__nav .ct-tab--b,
.page-contact #ct-type-c:focus-visible ~ .ct-tabs__nav .ct-tab--c {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .ct-panel {
  display: none;
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--celadon);
  background: rgba(11, 31, 58, 0.62);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact #ct-type-a:checked ~ .ct-tabs__panels .ct-panel--a,
.page-contact #ct-type-b:checked ~ .ct-tabs__panels .ct-panel--b,
.page-contact #ct-type-c:checked ~ .ct-tabs__panels .ct-panel--c {
  display: block;
}

.page-contact .ct-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-contact .ct-panel > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: var(--mist);
}

.page-contact .ct-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .ct-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

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

.page-contact .ct-panel__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ct-line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--celadon);
}

/* 合作流程 */
.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .ct-step {
  padding: 18px 18px 20px;
  border-top: 2px solid rgba(11, 31, 58, 0.2);
  background: rgba(255, 255, 255, 0.55);
}

.page-contact .ct-step__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-contact .ct-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

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

.page-contact .ct-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid rgba(11, 31, 58, 0.16);
  background: var(--cream);
}

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

.page-contact .ct-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid rgba(11, 31, 58, 0.12);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* 联系渠道 */
.page-contact .ct-contact-grid {
  display: grid;
  gap: 20px;
}

.page-contact .ct-status-card {
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--celadon);
  background: rgba(19, 43, 74, 0.6);
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .ct-status-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--warm);
}

.page-contact .ct-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--celadon);
}

.page-contact .ct-status::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 4px rgba(79, 174, 159, 0.18);
}

.page-contact .ct-status-card p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .ct-status-card .ct-status-card__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-line-soft);
  font-size: 13px;
  color: var(--mist);
}

/* 故障分流 */
.page-contact .ct-routes {
  display: grid;
  gap: 16px;
}

.page-contact .ct-route {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--ct-line);
  background: rgba(19, 43, 74, 0.55);
}

.page-contact .ct-route--urgent {
  border-top: 3px solid var(--clay);
}

.page-contact .ct-route--human {
  border-top: 3px solid var(--orange);
}

.page-contact .ct-route--version {
  border-top: 3px solid var(--celadon);
}

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

.page-contact .ct-route h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
  color: var(--warm);
}

.page-contact .ct-route p {
  margin: 0 0 4px;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-route .btn {
  align-self: flex-start;
}

.page-contact .ct-privacy-note {
  margin: 22px 0 0;
  font-size: 13px;
  color: var(--rock);
}

.page-contact .ct-privacy-note a {
  color: var(--celadon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-privacy-note a:hover,
.page-contact .ct-privacy-note a:focus-visible {
  color: var(--orange);
}

/* 服务覆盖 */
.page-contact .ct-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ct-line-soft);
  border: 1px solid var(--ct-line-soft);
}

.page-contact .ct-stat {
  display: grid;
  gap: 4px;
  padding: 18px 16px;
  background: var(--midnight);
}

.page-contact .ct-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.1;
  color: var(--orange);
}

.page-contact .ct-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-cover {
  margin-top: clamp(24px, 4vw, 36px);
  padding: 20px;
  border-left: 3px solid var(--moss);
  background: rgba(11, 31, 58, 0.5);
}

.page-contact .ct-cover p {
  margin: 0 0 16px;
  max-width: 72ch;
  font-size: 14.5px;
  color: var(--mist);
}

.page-contact .ct-cover .ct-cover__link {
  margin: 16px 0 0;
  font-size: 14px;
}

.page-contact .ct-cover__link a {
  color: var(--celadon);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .ct-cover__link a:hover,
.page-contact .ct-cover__link a:focus-visible {
  color: var(--orange);
}

/* 常见问题 */
.page-contact .ct-faq {
  display: grid;
  gap: 10px;
  max-width: 880px;
}

.page-contact .ct-faq details {
  border: 1px solid rgba(11, 31, 58, 0.16);
  background: var(--cream);
}

.page-contact .ct-faq summary {
  position: relative;
  padding: 16px 46px 16px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--clay);
}

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

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

.page-contact .ct-faq p {
  margin: 0;
  padding: 0 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

/* 页尾收束 */
.page-contact .ct-end {
  position: relative;
  background: var(--navy);
  padding-block: clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-end__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .ct-end__text h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-contact .ct-end__text p {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 14.5px;
  color: var(--mist);
}

.page-contact .ct-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-end__media {
  margin: 0;
  border: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .ct-end__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.8;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .ct-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-tabs {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-tabs__nav {
    flex-direction: column;
    overflow: visible;
  }

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

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: rgba(11, 31, 58, 0.14);
    border-top: 2px solid rgba(11, 31, 58, 0.2);
  }

  .page-contact .ct-step {
    border-top: 0;
  }

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

  .page-contact .ct-end__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.95fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .ct-contact-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tab {
    transition: none;
  }
}
<<<END>>>