.page-contact {
  --ct-pad: clamp(40px, 6vw, 68px);
  background: var(--ink-800);
  color: var(--mist);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  padding-bottom: 0;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .breadcrumbs__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 26px 0 52px;
  background-image:
    linear-gradient(to right, rgba(27, 70, 58, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 70, 58, 0.38) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--line);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-contact .ct-hero__lede h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 14px 0 0;
  color: var(--mist);
  max-width: 16ch;
}

.page-contact .ct-hero__text {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--sage);
  font-size: 0.98rem;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-contact .ct-hero__legend {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .ct-hero__legend li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-contact .ct-hero__legend li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .ct-hero__legend-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 通用图框 ---------- */
.page-contact .ct-figure {
  margin: 0;
  background: var(--ink-900);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .ct-figure figcaption {
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
}

/* ---------- 区块骨架 ---------- */
.page-contact .section {
  padding: var(--ct-pad) 0;
  position: relative;
}

.page-contact .section__head {
  max-width: 68ch;
}

.page-contact .section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
  color: var(--mist);
}

.page-contact .ct-lede {
  margin: 14px 0 0;
  color: var(--sage);
  font-size: 0.95rem;
  max-width: 66ch;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-directions {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 24px;
}

.page-contact .ct-filters__btn {
  appearance: none;
  cursor: pointer;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--sage);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .ct-filters__btn:hover,
.page-contact .ct-filters__btn:focus-visible {
  color: var(--mist);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.page-contact .ct-filters__btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .ct-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-card {
  padding: 22px 20px 24px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  transition: opacity 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-card--data {
  border-left-color: var(--magenta);
}

.page-contact .ct-card:hover {
  transform: translateY(-2px);
}

.page-contact .ct-card__id {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-card--data .ct-card__id {
  color: var(--magenta);
}

.page-contact .ct-card h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .ct-card p {
  margin: 0;
  color: var(--sage);
  font-size: 0.92rem;
}

.page-contact .ct-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.page-contact .ct-card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 0.85rem;
  color: var(--mist);
}

.page-contact .ct-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  background: var(--mint);
}

/* ---------- 合作对象 ---------- */
.page-contact .ct-partners {
  background: var(--ink-700);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-partners__inner {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-contact .ct-partners__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .ct-partners__list li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-partners__list h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.04rem;
  color: var(--mint);
  letter-spacing: 0.01em;
}

.page-contact .ct-partners__list p {
  margin: 0;
  color: var(--sage);
  font-size: 0.91rem;
}

/* ---------- 流程 ---------- */
.page-contact .ct-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 20px 0 22px 34px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--ink-800);
}

.page-contact .ct-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-step h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--mist);
}

.page-contact .ct-step p {
  margin: 0;
  color: var(--sage);
  font-size: 0.89rem;
}

.page-contact .ct-step__meta {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.08em;
  color: var(--mint);
}

/* ---------- 能力 ---------- */
.page-contact .ct-capability {
  background: var(--ink-700);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-metrics {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-metric {
  background: var(--ink-800);
  padding: 18px 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-contact .ct-metric__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-contact .ct-metric__num span {
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  margin-left: 3px;
}

.page-contact .ct-metric__label {
  font-size: 0.79rem;
  line-height: 1.55;
  color: var(--sage);
}

.page-contact .ct-capability__foot {
  margin: 22px 0 0;
  font-size: 0.88rem;
  color: var(--sage);
}

.page-contact .ct-capability__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 207, 0.4);
}

.page-contact .ct-capability__foot a:hover,
.page-contact .ct-capability__foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-contact {
  padding-bottom: clamp(46px, 7vw, 80px);
}

.page-contact .ct-channel {
  margin-top: 28px;
  padding: 24px 20px 26px;
  display: grid;
  gap: 24px;
  background: var(--ink-700);
  border: 2px solid var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-channel__group {
  min-width: 0;
  display: grid;
  gap: 20px;
}

.page-contact .ct-channel__row {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-channel__group .ct-channel__row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-channel__value {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--mist);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__note {
  margin: 8px 0 0;
  font-size: 0.83rem;
  color: var(--sage);
}

.page-contact .ct-channel__note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 232, 0.45);
}

.page-contact .ct-channel__note a:hover,
.page-contact .ct-channel__note a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-faq details {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-faq summary {
  position: relative;
  padding: 17px 34px 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--mist);
  transition: color 0.18s ease;
}

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

.page-contact .ct-faq summary:hover,
.page-contact .ct-faq summary:focus-visible {
  color: var(--cyan);
}

.page-contact .ct-faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .ct-faq details[open] summary::after {
  content: "–";
  color: var(--magenta);
}

.page-contact .ct-faq p {
  margin: 0 0 18px;
  padding-right: 8px;
  max-width: 70ch;
  font-size: 0.9rem;
  color: var(--sage);
}

.page-contact .ct-faq p a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 232, 0.45);
}

.page-contact .ct-faq p a:hover,
.page-contact .ct-faq p a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 收束 ---------- */
.page-contact .ct-signoff {
  position: relative;
  padding: clamp(48px, 8vw, 90px) 0 clamp(56px, 9vw, 100px);
  background: var(--ink-900);
  border-top: 1px solid var(--line);
}

.page-contact .ct-signoff__inner {
  position: relative;
}

.page-contact .ct-signoff__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 12px;
  background: var(--magenta);
  animation: ct-pulse 2.4s ease-in-out infinite;
}

.page-contact .ct-signoff__title {
  display: inline;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .ct-signoff__text {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 0.93rem;
  color: var(--sage);
}

.page-contact .ct-signoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@keyframes ct-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-signoff__dot {
    animation: none;
  }
  .page-contact .ct-card,
  .page-contact .ct-filters__btn {
    transition: none;
  }
}

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

  .page-contact .ct-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-channel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 30px 26px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 34px 0 70px;
  }

  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
  }

  .page-contact .ct-hero__lede {
    padding-top: 12px;
  }

  .page-contact .ct-partners__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
  }

  .page-contact .ct-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 20px;
  }

  .page-contact .ct-step {
    padding: 26px 0 0;
    border-top: 2px solid var(--line);
  }

  .page-contact .ct-step::before {
    left: 0;
    top: -8px;
  }

  .page-contact .ct-channel {
    padding: 36px 34px 38px;
    gap: 32px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-hero__legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
  }

  .page-contact .ct-hero__legend li:nth-child(2) {
    border-top: 1px solid var(--line);
  }
}
<<<END>>>