.page-contact {
  --c-muted: rgba(248, 249, 250, 0.74);
  --c-dim: rgba(138, 155, 176, 0.92);
  --c-panel: rgba(18, 42, 68, 0.72);
  padding: 0 0 108px;
  font-family: var(--font-body);
  color: var(--white);
}

/* 面包屑 */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-dim);
}

.page-contact .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  text-decoration: underline;
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: 46px;
}

.page-contact .contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 10.5vw, 92px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .contact-hero__title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  max-width: 58ch;
  margin: 22px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-contact .contact-hero__meta li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: var(--line);
}

.page-contact .contact-hero__meta b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__meta span {
  font-size: 13.6px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 章节标题 */
.page-contact .section-head {
  display: grid;
  gap: 8px;
  margin: 0 0 26px;
  padding-top: 14px;
  border-top: 2px solid var(--cyan);
}

.page-contact .section-head__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-contact .section-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(22px, 5.4vw, 32px);
  font-weight: 600;
  line-height: 1.26;
  color: var(--white);
}

.page-contact .contact-channels,
.page-contact .contact-collab,
.page-contact .contact-routes,
.page-contact .contact-response {
  padding-top: 84px;
}

/* 01 联络信息 */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .contact-split__info {
  min-width: 0;
}

.page-contact .contact-intro {
  max-width: 52ch;
  margin: 0 0 24px;
  font-size: 14.6px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .channel-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-contact .channel {
  display: grid;
  gap: 7px;
  padding: 20px 0;
  border-bottom: var(--line);
}

.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .channel__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-dim);
}

.page-contact .contact-split__figure {
  margin: 0;
}

.page-contact .contact-split__figure .figure__media {
  position: relative;
  overflow: hidden;
  border: var(--line);
  background: var(--ink-800);
  aspect-ratio: 12 / 7;
}

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

.page-contact .contact-split__figure .figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 30, 51, 0.1) 0%, rgba(11, 30, 51, 0.78) 100%);
  box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.14);
}

.page-contact .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-dim);
}

/* 02 合作类型 */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
}

.page-contact .collab-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .collab {
  min-width: 0;
  padding: 22px 20px 20px;
  background: var(--c-panel);
  border: var(--line);
  border-left: 3px solid var(--cyan);
}

.page-contact .collab--api {
  border-left-color: var(--violet);
}

.page-contact .collab--report {
  border-left-color: var(--orange);
}

.page-contact .collab--event {
  border-left-color: var(--red);
}

.page-contact .collab__title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .collab__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .collab__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--c-dim);
}

.page-contact .collab-flow-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 44px;
}

.page-contact .collab-flow__figure {
  margin: 0;
}

.page-contact .collab-flow__figure .figure__media {
  position: relative;
  overflow: hidden;
  border: var(--line);
  background: var(--ink-800);
  aspect-ratio: 10 / 7;
}

.page-contact .collab-flow__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .collab-flow {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-contact .collab-flow__step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: var(--line);
}

.page-contact .collab-flow__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .collab-flow__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .collab-flow__text {
  margin: 0;
  font-size: 13.6px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* 03 咨询入口 */
.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .route {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 20px;
  background: linear-gradient(160deg, rgba(18, 42, 68, 0.92) 0%, rgba(11, 30, 51, 0.6) 100%);
  border: var(--line);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .route:hover,
.page-contact .route:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .route__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-contact .route__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .route__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .route .link-arrow {
  margin-top: 6px;
  font-size: 13px;
  color: var(--cyan);
}

/* 04 回复与范围 */
.page-contact .response-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: var(--line);
  background: rgba(11, 30, 51, 0.55);
}

.page-contact .response-panel__clock {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 26px 22px;
  border-bottom: var(--line);
  background: linear-gradient(150deg, rgba(0, 240, 255, 0.12) 0%, rgba(0, 240, 255, 0) 64%);
}

.page-contact .response-panel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .response-panel__time {
  font-family: var(--font-display);
  font-size: clamp(30px, 8vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .response-panel__sub {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-dim);
}

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

.page-contact .response-list li {
  padding: 20px 22px;
  border-bottom: var(--line);
}

.page-contact .response-list li:last-child {
  border-bottom: 0;
}

.page-contact .response-list b {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .response-list p {
  margin: 0;
  font-size: 13.6px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* 响应式 */
@media (min-width: 620px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-bottom: 136px;
  }

  .page-contact .contact-hero {
    padding-top: 62px;
  }

  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: var(--line);
  }

  .page-contact .contact-hero__meta li {
    padding: 16px 26px 20px 0;
    border-bottom: 0;
    border-right: var(--line);
  }

  .page-contact .contact-hero__meta li:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-contact .contact-channels,
  .page-contact .contact-collab,
  .page-contact .contact-routes,
  .page-contact .contact-response {
    padding-top: 112px;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .collab-flow-wrap {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-contact .response-panel {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .page-contact .response-panel__clock {
    padding: 34px 28px;
    border-bottom: 0;
    border-right: var(--line);
  }
}