.page-contact {
  --pc-hair: 1px solid var(--slate-700);
  --pc-hair-soft: 1px solid rgba(42, 52, 72, 0.6);
  --pc-card-bg: linear-gradient(168deg, rgba(27, 44, 80, 0.42) 0%, rgba(17, 23, 38, 0.94) 62%);
  position: relative;
  isolation: isolate;
  padding: 0.5rem 0 3rem;
  color: var(--mist-050);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(130% 80% at 92% -8%, rgba(38, 227, 212, 0.10) 0%, rgba(38, 227, 212, 0) 58%),
    radial-gradient(90% 65% at -5% 105%, rgba(27, 44, 80, 0.68) 0%, rgba(27, 44, 80, 0) 62%);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--slate-700);
}

.page-contact .breadcrumb a {
  color: var(--mist-500);
  text-decoration: none;
  transition: color 180ms var(--ease-out);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--mist-050);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 0.5rem;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 1.75rem;
  align-items: end;
}

.page-contact .contact-hero__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .contact-hero__title {
  margin: 0.85rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 7vw, 3.3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist-050);
}

.page-contact .contact-hero__lead {
  max-width: 36rem;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--mist-500);
}

.page-contact .contact-hero__visual {
  position: relative;
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  aspect-ratio: 25 / 16;
  object-fit: cover;
  border: var(--pc-hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  filter: saturate(0.8) brightness(0.88);
}

.page-contact .contact-tag {
  position: absolute;
  left: 0.85rem;
  bottom: 0.85rem;
  margin: 0;
  max-width: calc(100% - 1.7rem);
  padding: 0.45rem 0.7rem;
  background: rgba(6, 11, 22, 0.9);
  border: var(--pc-hair);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  margin-top: 3rem;
}

.page-contact .contact-channels__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.25rem;
}

.page-contact .contact-channels__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.4vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--mist-050);
}

.page-contact .contact-channels__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--mist-500);
}

.page-contact .contact-cards {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card {
  position: relative;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.5rem 1.3rem 1.45rem;
  background: var(--pc-card-bg);
  border: var(--pc-hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-micro);
  overflow: hidden;
  transition: border-color 220ms var(--ease-out), transform 220ms var(--ease-out);
}

.page-contact .contact-card__ghost {
  position: absolute;
  top: 0.35rem;
  right: 0.8rem;
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(42, 52, 72, 0.62);
  pointer-events: none;
}

.page-contact .contact-card__k {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-500);
}

.page-contact .contact-card__k::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(38, 227, 212, 0.14);
}

.page-contact .contact-card__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--mist-050);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__v--text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .contact-card__d {
  margin: auto 0 0;
  padding-top: 0.35rem;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--mist-500);
}

@media (hover: hover) {
  .page-contact .contact-card:hover {
    border-color: rgba(38, 227, 212, 0.6);
    transform: translateY(-3px);
  }
}

/* ---------- 分节 ---------- */
.page-contact .contact-section {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: var(--pc-hair);
}

.page-contact .contact-section__k {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .contact-section__title {
  margin: 0 0 0.95rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.8vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--mist-050);
}

.page-contact .contact-section__body {
  max-width: 64ch;
}

.page-contact .contact-section__body p {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(233, 239, 248, 0.86);
}

.page-contact .contact-section__body > p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-list {
  display: grid;
  gap: 0.6rem;
  margin: 0.35rem 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-contact .contact-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.74;
  color: var(--mist-500);
}

.page-contact .contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  opacity: 0.85;
}

/* ---------- 地址 ---------- */
.page-contact .address-block {
  margin: 0 0 1.25rem;
  padding: 1.15rem 1.25rem;
  background: rgba(17, 23, 38, 0.82);
  border: var(--pc-hair);
  border-left: 2px solid var(--cyan-400);
  border-radius: var(--radius);
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--mist-050);
}

.page-contact .contact-figure {
  margin: 0;
  padding: 0;
  border: var(--pc-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--carbon-900);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 20 / 13;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.9);
}

.page-contact .contact-figure__cap {
  padding: 0.7rem 1rem;
  border-top: var(--pc-hair);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--mist-500);
}

/* ---------- 合作清单 ---------- */
.page-contact .coop-list {
  margin: 0.35rem 0 1.1rem;
  padding: 0;
  list-style: none;
  border-top: var(--pc-hair-soft);
}

.page-contact .coop-list__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.35rem 0.85rem;
  padding: 1rem 0;
  border-bottom: var(--pc-hair-soft);
}

.page-contact .coop-list__idx {
  grid-row: 1 / span 2;
  padding-top: 0.22rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-contact .coop-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist-050);
}

.page-contact .coop-list__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist-500);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-links {
  margin-top: 3rem;
  padding: 1.5rem 1.35rem;
  background: rgba(17, 23, 38, 0.6);
  border: var(--pc-hair);
  border-radius: var(--radius);
}

.page-contact .contact-links__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist-050);
}

.page-contact .contact-links__list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-links__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--mist-050);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-contact .contact-links__list a::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-400);
}

.page-contact .contact-links__list a:hover,
.page-contact .contact-links__list a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: rgba(38, 227, 212, 0.5);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .coop-list__item {
    grid-template-columns: 2.5rem 11.5rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-contact .coop-list__idx {
    grid-row: auto;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3.5rem;
  }

  .page-contact .contact-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.25rem;
    margin-top: 2.25rem;
  }

  .page-contact .contact-card--a {
    grid-column: 1 / span 5;
  }

  .page-contact .contact-card--b {
    grid-column: 6 / span 4;
    margin-top: 2.5rem;
  }

  .page-contact .contact-card--c {
    grid-column: 10 / span 3;
    margin-top: 5rem;
  }

  .page-contact .contact-card__ghost {
    font-size: 3.2rem;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__grid {
    gap: 5rem;
  }

  .page-contact .contact-section {
    margin-top: 3.25rem;
    padding-top: 2rem;
  }
}