.page-contact {
  --ct-pad: clamp(48px, 8vw, 96px);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding-top: clamp(16px, 2.6vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .3;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 84%);
  mask-image: linear-gradient(180deg, #000, transparent 84%);
}
.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: min(620px, 72vw);
  aspect-ratio: 1 / 1;
  pointer-events: none;
  background: radial-gradient(circle, rgba(200, 255, 61, .16), transparent 66%);
}
.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 2.4vw, 28px);
  padding: clamp(34px, 6.5vw, 84px) 0 clamp(40px, 7vw, 86px);
}
.page-contact .ct-hero__num {
  margin: 0;
  font-family: var(--score);
  font-weight: 800;
  font-size: clamp(92px, 16vw, 210px);
  line-height: .82;
  letter-spacing: -.04em;
  color: var(--lime);
  opacity: .22;
  user-select: none;
}
.page-contact .ct-hero__copy > * + * {
  margin-top: 14px;
}
.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.1;
  letter-spacing: -.01em;
}
.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.78;
}
@media (min-width: 960px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(24px, 4vw, 60px);
  }
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels {
  position: relative;
  padding: var(--ct-pad) 0;
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(180deg, rgba(20, 57, 42, .6), rgba(7, 22, 15, 0) 52%);
}
.page-contact .ct-head {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  margin-bottom: clamp(28px, 4vw, 54px);
}
.page-contact .ct-head__title {
  margin: 8px 0 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(26px, 3.9vw, 46px);
  line-height: 1.16;
  letter-spacing: -.005em;
}
.page-contact .ct-head__note {
  margin: 14px 0 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-contact .ct-head__media {
  margin: 0;
}
.page-contact .ct-head__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}
@media (min-width: 900px) {
  .page-contact .ct-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
  }
}

.page-contact .ct-cards {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}
.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.3vw, 28px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: var(--deep);
}
.page-contact .ct-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.page-contact .ct-card__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mint);
}
.page-contact .ct-card__icon {
  flex: none;
  width: 26px;
  height: 26px;
  color: var(--lime);
  opacity: .9;
}
.page-contact .ct-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}
.page-contact .ct-card__title {
  margin: 4px 0 0;
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 500;
  line-height: 1.3;
}
.page-contact .ct-card__lead {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .ct-card__fields {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.page-contact .ct-field dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-contact .ct-field dd {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.75;
}
.page-contact .ct-card__contact {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-all;
}
.page-contact .ct-card__contact a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.page-contact .ct-card__contact a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-contact .ct-card__meta {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  word-break: normal;
}
@media (min-width: 840px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-card:nth-child(2) {
    margin-top: 22px;
  }
  .page-contact .ct-card:nth-child(3) {
    margin-top: 44px;
  }
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-collab {
  padding: var(--ct-pad) 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .ct-collab__grid {
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  margin-top: clamp(24px, 3.4vw, 42px);
}
.page-contact .ct-collab__item {
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime);
  transition: background-color .18s ease, transform .18s ease;
}
.page-contact .ct-collab__item:hover,
.page-contact .ct-collab__item:focus-visible {
  background: var(--panel);
  transform: translateY(-2px);
}
.page-contact .ct-collab__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.page-contact .ct-collab__title {
  margin: 10px 0 8px;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 500;
}
.page-contact .ct-collab__text {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.78;
}
@media (min-width: 780px) {
  .page-contact .ct-collab__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 站点信息（浅底） ---------- */
.page-contact .ct-siteinfo {
  padding: var(--ct-pad) 0;
  background: var(--light);
  color: var(--light-ink);
}
.page-contact .ct-siteinfo .ob-kicker {
  color: var(--light-muted);
}
.page-contact .ct-siteinfo__inner {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
}
.page-contact .ct-siteinfo__title {
  margin: 8px 0 0;
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.18;
  color: var(--light-ink);
}
.page-contact .ct-info {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-top: 1px solid rgba(11, 31, 22, .18);
}
.page-contact .ct-info__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(11, 31, 22, .18);
}
.page-contact .ct-info__row dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--light-muted);
}
.page-contact .ct-info__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--light-ink);
  word-break: break-word;
}
.page-contact .ct-siteinfo__note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--light-muted);
}
.page-contact .ct-siteinfo__media {
  margin: 0;
}
.page-contact .ct-siteinfo__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
@media (min-width: 560px) {
  .page-contact .ct-info__row {
    grid-template-columns: minmax(110px, 160px) minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}
@media (min-width: 900px) {
  .page-contact .ct-siteinfo__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
}

/* ---------- 常用入口 ---------- */
.page-contact .ct-next {
  padding: clamp(44px, 7vw, 88px) 0 clamp(56px, 8vw, 104px);
}
.page-contact .ct-next__list {
  list-style: none;
  margin: clamp(22px, 3vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .ct-next__item {
  margin: 0;
}
.page-contact .ct-next__link {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 24px) clamp(14px, 2vw, 22px);
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: background-color .16s ease, padding-left .16s ease;
}
.page-contact .ct-next__link:hover {
  background: var(--deep);
  padding-left: clamp(20px, 3vw, 34px);
}
.page-contact .ct-next__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mint);
}
.page-contact .ct-next__label {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 500;
}
.page-contact .ct-next__desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}
@media (min-width: 820px) {
  .page-contact .ct-next__link {
    grid-template-columns: 130px minmax(0, .85fr) minmax(0, 1.5fr);
    align-items: baseline;
    gap: clamp(16px, 2.4vw, 30px);
  }
}

/* ---------- 焦点与降级 ---------- */
.page-contact a:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-collab__item,
  .page-contact .ct-next__link,
  .page-contact .ct-card__contact a {
    transition: none;
  }
  .page-contact .ct-card:hover,
  .page-contact .ct-card:focus-within,
  .page-contact .ct-collab__item:hover,
  .page-contact .ct-collab__item:focus-visible {
    transform: none;
  }
}