.page-contact {
  --ct-ink-soft: #4A534E;
  --ct-gap: clamp(22px, 4vw, 40px);
  --ct-sec-pad: clamp(44px, 7vw, 88px);
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .breadcrumb {
  max-width: 1288px;
  margin: 0 auto;
  padding: 20px 24px 0;
}

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

.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  min-width: 0;
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--clay);
}

.page-contact .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms ease;
}

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

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

/* 首屏 */
.page-contact .ct-hero {
  position: relative;
  padding-top: clamp(26px, 5vw, 52px);
  padding-bottom: clamp(34px, 6.5vw, 76px);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: 16%;
  right: -8%;
  width: min(430px, 58%);
  height: var(--line);
  background: linear-gradient(90deg, transparent, var(--cyan));
  transform: rotate(-14deg);
  opacity: 0.75;
  pointer-events: none;
}

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

.page-contact .ct-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-kicker::after {
  content: "";
  flex: 0 1 120px;
  height: var(--line);
  background: var(--cyan);
  opacity: 0.55;
}

.page-contact .ct-title {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.05rem, 6.2vw, 3.75rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-lede {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .ct-actions .btn {
  text-decoration: none;
}

.page-contact .ct-actions-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* 区块骨架 */
.page-contact .ct-sec {
  padding-block: var(--ct-sec-pad);
  border-top: var(--line) solid var(--rock-2);
  scroll-margin-top: 72px;
}

.page-contact .ct-sec--paper {
  background: var(--paper);
  color: var(--ink);
  border-top-color: var(--ink);
}

.page-contact .ct-sec-inner {
  display: grid;
  gap: clamp(20px, 3.2vw, 30px);
}

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

.page-contact .ct-index {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .ct-index-num {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .ct-index-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .ct-sec--paper .ct-index-num {
  color: var(--cyan-deep);
}

.page-contact .ct-sec--paper .ct-index-label {
  color: var(--ct-ink-soft);
}

.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-contact .ct-sub {
  margin: clamp(12px, 2vw, 18px) 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-sec--paper .ct-sub {
  color: var(--ct-ink-soft);
}

.page-contact .ct-sub--tight {
  margin-top: clamp(18px, 2.6vw, 26px);
}

/* 图片 */
.page-contact .ct-figure {
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  border: var(--line) solid var(--rock-2);
  background: var(--rock);
}

.page-contact .ct-sec--paper .ct-figure {
  border-color: var(--ink);
  background: var(--rock);
}

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

.page-contact .ct-figure .figure-caption {
  display: block;
  padding: 10px 14px;
  border-top: var(--line) solid var(--rock-2);
  background: var(--rock);
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* 合作方向列表 */
.page-contact .ct-dirs {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line) solid var(--rock-2);
}

.page-contact .ct-sec--paper .ct-dirs {
  border-top-color: rgba(27, 33, 31, 0.3);
}

.page-contact .ct-dir {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  padding: clamp(20px, 3vw, 28px) clamp(10px, 1.8vw, 18px);
  border-bottom: var(--line) solid var(--rock-2);
  transition: background-color 160ms ease;
}

.page-contact .ct-sec--paper .ct-dir {
  border-bottom-color: rgba(27, 33, 31, 0.18);
}

.page-contact .ct-dir:hover,
.page-contact .ct-dir:focus-within {
  background: rgba(0, 227, 200, 0.07);
}

.page-contact .ct-sec--paper .ct-dir:hover,
.page-contact .ct-sec--paper .ct-dir:focus-within {
  background: rgba(11, 122, 108, 0.08);
}

.page-contact .ct-dir-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .ct-sec--paper .ct-dir-num {
  color: var(--cyan-deep);
}

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

.page-contact .ct-dir-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.32;
  letter-spacing: -0.005em;
}

.page-contact .ct-dir-text {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 0.96875rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-sec--paper .ct-dir-text {
  color: var(--ct-ink-soft);
}

.page-contact .ct-dir-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

/* 流程步骤条 */
.page-contact .ct-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--line);
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ink);
  border: var(--line) solid var(--ink);
}

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

.page-contact .ct-step-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 16px 14px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.page-contact .ct-step-link:hover,
.page-contact .ct-step-link:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .ct-step-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cyan-deep);
  transition: color 160ms ease;
}

.page-contact .ct-step-link:hover .ct-step-num,
.page-contact .ct-step-link:focus-visible .ct-step-num {
  color: var(--cyan);
}

.page-contact .ct-step:first-child .ct-step-num::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  background: var(--neon);
  vertical-align: middle;
}

.page-contact .ct-step-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.3;
}

/* 步骤详情 */
.page-contact .ct-step-list {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  margin: clamp(26px, 3.8vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step-item {
  padding: 4px 0 4px 18px;
  border-left: 4px solid var(--clay);
  scroll-margin-top: 84px;
}

.page-contact .ct-step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
}

.page-contact .ct-step-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.35;
}

.page-contact .ct-step-time {
  padding: 2px 8px;
  border: 1px solid var(--cyan-deep);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.06em;
  color: var(--cyan-deep);
  white-space: nowrap;
}

.page-contact .ct-step-item p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-step-out {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.page-contact .ct-out-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
}

/* 合作结构数字 */
.page-contact .ct-tally {
  display: grid;
  gap: var(--line);
  margin-top: clamp(24px, 4vw, 40px);
  background: var(--rock-2);
  border: var(--line) solid var(--rock-2);
}

.page-contact .ct-tally-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 2.6vw, 26px);
  background: var(--rock);
}

.page-contact .ct-tally-value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin: 0;
}

.page-contact .ct-tally-num {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .ct-tally-unit {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-contact .ct-tally-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.42;
}

.page-contact .ct-tally-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 对接窗口 */
.page-contact .ct-window {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  border-top: var(--line) solid var(--ink);
}

.page-contact .ct-window-row {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  border-bottom: 1px solid rgba(27, 33, 31, 0.24);
}

.page-contact .ct-window-row dt {
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ct-ink-soft);
}

.page-contact .ct-window-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-rhythm {
  margin-top: clamp(26px, 3.8vw, 42px);
  padding: clamp(20px, 3vw, 28px);
  border: var(--line) solid var(--cyan-deep);
  background: rgba(11, 122, 108, 0.06);
}

.page-contact .ct-rhythm-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.4;
}

.page-contact .ct-rhythm-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .ct-rhythm-list li {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-rhythm-tag {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  border: 1px solid var(--clay);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.04em;
  color: var(--clay);
  white-space: nowrap;
}

/* 来访 */
.page-contact .ct-visit {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-contact .ct-address {
  margin: 0;
  padding-left: 16px;
  border-left: 4px solid var(--clay);
  font-style: normal;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .ct-address span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .ct-visit-note {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .ct-figure--visit {
  margin-top: 0;
}

/* 常见问题 */
.page-contact .ct-faq {
  margin-top: clamp(22px, 3.4vw, 34px);
  border-top: var(--line) solid var(--ink);
}

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

.page-contact .ct-faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.45;
  color: var(--ink);
}

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

.page-contact .ct-faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1;
  color: var(--cyan-deep);
  transition: transform 160ms ease;
}

.page-contact .ct-faq-item[open] summary::after {
  content: "\2212";
}

.page-contact .ct-faq-body {
  padding-bottom: clamp(18px, 2.6vw, 24px);
}

.page-contact .ct-faq-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.96875rem;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

/* 收束 */
.page-contact .ct-sec--final {
  border-top-color: var(--rock-2);
}

.page-contact .ct-final {
  display: grid;
  gap: 14px;
}

.page-contact .ct-final-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-final-text {
  margin: 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-contact .ct-final-actions .btn {
  text-decoration: none;
}

/* 焦点可读性 */
.page-contact .ct-step-link:focus-visible,
.page-contact .ct-faq-item summary:focus-visible,
.page-contact .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .ct-sec--paper .btn:focus-visible,
.page-contact .ct-sec--paper .ct-faq-item summary:focus-visible,
.page-contact .ct-sec--paper .ct-step-link:focus-visible {
  outline-color: var(--cyan-deep);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .ct-window-row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 36px);
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.6vw, 44px);
  }

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

@media (min-width: 900px) {
  .page-contact .ct-sec-inner {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .ct-index {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .page-contact .ct-index-label {
    writing-mode: vertical-rl;
    letter-spacing: 0.34em;
  }

  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .ct-dir {
    padding-inline: 0;
  }

  .page-contact .ct-dir:hover,
  .page-contact .ct-dir:focus-within {
    box-shadow: inset 4px 0 0 var(--cyan);
    padding-inline-start: 18px;
  }

  .page-contact .ct-sec--paper .ct-dir:hover,
  .page-contact .ct-sec--paper .ct-dir:focus-within {
    box-shadow: inset 4px 0 0 var(--cyan-deep);
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-hero {
    padding-bottom: clamp(56px, 7vw, 92px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir,
  .page-contact .ct-step-link,
  .page-contact .ct-step-num,
  .page-contact .ct-faq-item summary::after,
  .page-contact .breadcrumb-link {
    transition: none;
  }
}