.page-contact {
  --contact-slab: #14171c;
  --contact-hair: rgba(246, 239, 223, .16);
  padding-bottom: 72px;
}

/* 面包屑 */
.page-contact .crumbs {
  padding-block: 24px 10px;
}
.page-contact .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}
.page-contact .crumbs__list a {
  color: var(--brown);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}
.page-contact .crumbs__list a:hover,
.page-contact .crumbs__list a:focus-visible {
  border-bottom-color: var(--gold);
}
.page-contact .crumbs__sep {
  color: var(--line);
}

/* 首屏：深色联系通道 + 奶油纸叙事 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--paper);
}

.page-contact .hero-console {
  position: relative;
  padding: 30px 22px 32px;
  color: var(--paper);
  background:
    radial-gradient(130% 95% at 88% 0%, rgba(245, 179, 1, .17), transparent 58%),
    radial-gradient(95% 75% at 4% 102%, rgba(196, 55, 43, .24), transparent 62%),
    linear-gradient(158deg, var(--contact-slab) 0%, var(--night) 100%);
}
.page-contact .hero-console__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}
.page-contact .hero-console__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gold);
}

.page-contact .channel {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 1px solid var(--contact-hair);
}
.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(246, 239, 223, .56);
}
.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .channel__value--mail {
  font-size: 15px;
  color: var(--gold-lift);
}
.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
}
.page-contact .channel__hint {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(246, 239, 223, .62);
}

.page-contact .hero-console__figure {
  margin: 26px 0 0;
}
.page-contact .hero-console__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(.78) brightness(.9) contrast(1.04);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 16% 100%);
}

.page-contact .hero-brief {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 22px 34px;
  background: var(--paper);
}
.page-contact .hero-brief__accent {
  display: block;
  width: 64px;
  height: 6px;
  background: var(--gold);
  margin-bottom: 20px;
}
.page-contact .hero-brief h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--ink);
}
.page-contact .hero-brief .prose {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--brown);
}
.page-contact .hero-brief__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--slate);
}

/* 反馈材料 */
.page-contact .feedback {
  display: grid;
  gap: 30px;
  padding-block: 58px 6px;
}
.page-contact .feedback h2,
.page-contact .partners h2,
.page-contact .service h2,
.page-contact .closer h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.28;
  letter-spacing: -.008em;
  color: var(--ink);
}
.page-contact .feedback__intro .prose {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--brown);
}
.page-contact .feedback__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}
.page-contact .feedback__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.page-contact .feedback__item:last-child {
  border-bottom: 1px solid var(--line);
}
.page-contact .feedback__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold-ink);
  padding-top: 3px;
}
.page-contact .feedback__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}
.page-contact .feedback__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--brown);
}
.page-contact .feedback__figure {
  margin: 0;
}
.page-contact .feedback__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  background: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 0);
  border-bottom: 3px solid var(--gold);
}
.page-contact .feedback__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--slate);
}

/* 合作方向 */
.page-contact .partners-wrap {
  padding-top: 48px;
}
.page-contact .partners {
  padding: 30px 22px 34px;
  background:
    linear-gradient(118deg, var(--mist) 0 74%, #d8e2ea 74% 100%);
  border-left: 4px solid var(--gold);
}
.page-contact .partners .prose {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--brown);
}
.page-contact .partners__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .partners__card {
  padding: 20px 0;
  border-top: 1px solid rgba(111, 133, 155, .38);
}
.page-contact .partners__card:last-child {
  border-bottom: 1px solid rgba(111, 133, 155, .38);
}
.page-contact .partners__card h3 {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--ink);
}
.page-contact .partners__card p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--brown);
}
.page-contact .partners__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* 响应说明 */
.page-contact .service {
  display: grid;
  gap: 16px;
  margin-top: 52px;
  padding-top: 26px;
  border-top: 2px solid var(--ink);
}
.page-contact .service__grid {
  margin: 0;
  display: grid;
  gap: 0;
}
.page-contact .service__grid > div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .service__grid dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--gold-ink);
  margin-bottom: 6px;
}
.page-contact .service__grid dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--brown);
}
.page-contact .service__grid dd a,
.page-contact .ops__foot a,
.page-contact .closer__meta a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}
.page-contact .service__grid dd a:hover,
.page-contact .ops__foot a:hover,
.page-contact .closer__meta a:hover,
.page-contact .service__grid dd a:focus-visible,
.page-contact .ops__foot a:focus-visible,
.page-contact .closer__meta a:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

/* 运营信息 */
.page-contact .ops {
  margin-top: 52px;
  padding: 32px 22px 34px;
  color: var(--paper);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(245, 179, 1, .14), transparent 60%),
    linear-gradient(160deg, var(--brown) 0%, #1a140f 100%);
}
.page-contact .ops__eyebrow {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold);
}
.page-contact .ops__grid {
  display: grid;
  gap: 0;
}
.page-contact .ops__cell {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(246, 239, 223, .14);
}
.page-contact .ops__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: rgba(246, 239, 223, .52);
}
.page-contact .ops__value {
  font-size: 13.8px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .ops__value.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}
.page-contact .ops__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(246, 239, 223, .14);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 239, 223, .72);
}
.page-contact .ops__foot a {
  color: var(--gold);
  border-bottom-color: rgba(245, 179, 1, .5);
}

/* 收束行动 */
.page-contact .closer {
  display: grid;
  gap: 24px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.page-contact .closer .prose {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.82;
  color: var(--brown);
}
.page-contact .closer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}
.page-contact .closer__actions .btn {
  flex: 1 1 auto;
  min-width: 170px;
  text-align: center;
}
.page-contact .closer__meta {
  flex: 1 1 100%;
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate);
}

@media (min-width: 760px) {
  .page-contact .crumbs {
    padding-block: 34px 12px;
  }
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-contact .hero-console {
    padding: 40px 30px 42px;
  }
  .page-contact .hero-brief {
    padding: 44px 38px 46px;
  }
  .page-contact .partners {
    padding: 40px 34px 44px;
  }
  .page-contact .ops {
    padding: 40px 34px 42px;
  }
  .page-contact .ops__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 980px) {
  .page-contact .feedback {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
    padding-block: 76px 10px;
  }
  .page-contact .feedback__figure {
    position: sticky;
    top: 96px;
  }
  .page-contact .partners-wrap {
    padding-top: 24px;
  }
  .page-contact .partners__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 30px;
  }
  .page-contact .partners__card {
    border-bottom: 1px solid rgba(111, 133, 155, .38);
  }
  .page-contact .service {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    margin-top: 72px;
  }
  .page-contact .service__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
  .page-contact .ops__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 30px;
  }
  .page-contact .closer {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
    margin-top: 72px;
  }
  .page-contact .closer__actions .btn {
    flex: 0 0 auto;
  }
  .page-contact .closer__meta {
    flex: 1 1 100%;
  }
}