.page-contact {
  --ct-gap: clamp(26px, 4.5vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(18px, 3.6vw, 40px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: clamp(20px, 3vw, 34px);
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--ct-gap);
    align-items: end;
  }
}

.page-contact h1 {
  margin: 10px 0 0;
  font-size: clamp(38px, 6.4vw, 80px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.022em;
}

.page-contact .ct-hero__lede {
  margin-top: 20px;
  max-width: 34em;
}

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

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  background: var(--snow);
  color: var(--rock-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-contact .ct-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flare);
  flex: 0 0 auto;
}

.page-contact .ct-chip__dot--sky {
  background: var(--sky);
}

.page-contact .ct-chip__dot--green {
  background: var(--green);
}

.page-contact .ct-hero__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ice);
  max-width: 30em;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-70);
}

/* ---------- 左索引 + 右内容 ---------- */
.page-contact .ct-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block: clamp(34px, 6vw, 88px);
}

@media (min-width: 960px) {
  .page-contact .ct-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: var(--ct-gap);
    align-items: start;
  }

  .page-contact .ct-index {
    position: sticky;
    top: calc(var(--cmdbar-h) + 20px);
  }
}

.page-contact .ct-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-index__item {
  flex: 0 0 auto;
}

.page-contact .ct-index__link {
  display: grid;
  gap: 2px;
  min-width: 172px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--snow);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .ct-index__link:hover,
.page-contact .ct-index__link:focus-visible {
  border-color: var(--flare);
  background: rgba(255, 106, 19, 0.06);
}

.page-contact .ct-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sky-deep);
}

.page-contact .ct-index__label {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .ct-index__hint {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--rock);
}

@media (min-width: 960px) {
  .page-contact .ct-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .ct-index__item {
    flex: none;
  }

  .page-contact .ct-index__link {
    min-width: 0;
    padding: 12px 0 12px 16px;
    border: 0;
    border-left: 2px solid var(--line);
    background: transparent;
  }

  .page-contact .ct-index__link:hover,
  .page-contact .ct-index__link:focus-visible {
    border-left-color: var(--flare);
    background: transparent;
  }
}

/* ---------- 内容区块 ---------- */
.page-contact .ct-flow {
  min-width: 0;
}

.page-contact .ct-block {
  padding-block: clamp(28px, 4.4vw, 54px);
}

.page-contact .ct-block:first-child {
  padding-top: 0;
}

.page-contact .ct-block + .ct-block {
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-block h2 {
  margin: 8px 0 0;
  max-width: 22em;
  font-size: clamp(23px, 3.1vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.012em;
}

.page-contact .ct-block p {
  margin: 14px 0 0;
  max-width: 36em;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-contact .ct-block .link-arrow {
  color: var(--sky-deep);
}

/* ---------- 字段清单 ---------- */
.page-contact .ct-fields {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-field {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 660px) {
  .page-contact .ct-field {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 4px 22px;
    align-items: baseline;
  }
}

.page-contact .ct-field::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--flare);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease);
}

.page-contact .ct-field:hover::after,
.page-contact .ct-field:focus-within::after {
  transform: scaleX(1);
}

.page-contact .ct-field__name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--rock);
}

.page-contact .ct-field__hint {
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-70);
}

.page-contact .ct-note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--ice);
  background: var(--ice-soft);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-70);
  max-width: 38em;
}

/* ---------- 图与信息卡 ---------- */
.page-contact .ct-figure {
  margin: 0;
}

.page-contact .ct-figure--square {
  margin: 24px 0 0;
  max-width: 440px;
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ice-soft);
  object-fit: cover;
}

.page-contact .ct-figure__cap {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--rock);
}

.page-contact .ct-card {
  margin-top: 22px;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--snow);
  border: 1px solid var(--line);
  box-shadow: var(--lift-1);
}

.page-contact .ct-row {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-row:first-child {
  padding-top: 0;
}

.page-contact .ct-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

@media (min-width: 700px) {
  .page-contact .ct-row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 6px 24px;
    align-items: baseline;
  }
}

.page-contact .ct-row__k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--rock);
}

.page-contact .ct-row__v {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 勘误步骤 ---------- */
.page-contact .ct-steps {
  list-style: none;
  counter-reset: ctstep;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-steps li {
  counter-increment: ctstep;
  position: relative;
  padding: 13px 2px 13px 44px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.72;
  color: var(--ink-70);
  font-size: 0.95rem;
}

.page-contact .ct-steps li::before {
  content: counter(ctstep, decimal-leading-zero);
  position: absolute;
  left: 2px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--flare);
}

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

/* ---------- 合作方向 ---------- */
.page-contact .ct-partners {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 22px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

@media (min-width: 780px) {
  .page-contact .ct-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ct-partner {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--paper);
}

.page-contact .ct-partner::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 34px;
  height: 3px;
  background: var(--sky);
}

.page-contact .ct-partner:nth-child(2)::before {
  background: var(--yellow);
}

.page-contact .ct-partner:nth-child(3)::before {
  background: var(--green);
}

.page-contact .ct-partner:nth-child(4)::before {
  background: var(--flare);
}

.page-contact .ct-partner h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .ct-partner p {
  margin: 0;
  max-width: 30em;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--ink-70);
}

/* ---------- 到访 ---------- */
.page-contact .ct-visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 22px;
}

@media (min-width: 880px) {
  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 3.6vw, 48px);
    align-items: start;
  }
}

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

.page-contact .ct-visit__list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.72;
  font-size: 0.95rem;
  color: var(--ink-70);
}

.page-contact .ct-visit__list li:first-child {
  padding-top: 0;
}

.page-contact .ct-visit__list li:last-child {
  border-bottom: 0;
}

.page-contact .ct-visit__list span {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--sky-deep);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-cta {
  background: var(--rock-deep);
  color: var(--snow);
}

.page-contact .ct-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

@media (min-width: 820px) {
  .page-contact .ct-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }
}

.page-contact .ct-cta__text {
  margin: 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.88);
}

.page-contact .ct-cta .btn {
  justify-self: start;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-field::after,
  .page-contact .ct-index__link {
    transition: none;
  }
}
</main>