.page-contact {
  --pc-line: rgba(159, 176, 196, .16);
  --pc-goldline: linear-gradient(90deg, var(--gold-dim) 0%, var(--gold) 45%, var(--gold-hi) 100%);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 26px;
  padding: 26px 0 10px;
}

.page-contact .contact-hero__intro .index-label {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .contact-hero__intro h1 {
  margin: 0 0 18px;
}

.page-contact .contact-hero__intro .lede {
  max-width: 42ch;
}

.page-contact .contact-hero__rule {
  width: 84px;
  height: 3px;
  margin-top: 24px;
  background: var(--pc-goldline);
  transform: skewX(-26deg);
  border-radius: 2px;
}

.page-contact .contact-hero__media {
  position: relative;
  background: linear-gradient(135deg, #0B1A2A 0%, #16283F 45%, rgba(212, 160, 23, .18) 100%);
  border: 1px solid var(--pc-line);
  border-radius: 18px;
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 渠道区 ---------- */
.page-contact .channels__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}

.page-contact .channels__head h2 {
  margin: 0;
}

.page-contact .channels__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  min-width: 0;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  border-color: rgba(212, 160, 23, .55);
  box-shadow: 0 14px 34px rgba(4, 10, 20, .5);
}

.page-contact .channel__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: .02em;
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gold-hi);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__value--plain {
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-contact .channel__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .channel__note {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--mist);
}

.page-contact .channel__foot {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 160, 23, .4);
}

.page-contact .channel__foot a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 反馈清单 ---------- */
.page-contact .ready__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .ready__intro h2 {
  margin: 0 0 14px;
}

.page-contact .ready__intro .index-label {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .ready__sub {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 44ch;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 17px 2px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .checklist__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: 3px;
}

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

.page-contact .checklist__text strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: .01em;
}

.page-contact .checklist__text span {
  display: block;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .ready__more {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ready__more a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 160, 23, .4);
}

.page-contact .ready__more a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .ready__visual-frame {
  background: linear-gradient(140deg, #101F33 0%, #16283F 58%, rgba(212, 160, 23, .14) 100%);
  border: 1px solid var(--pc-line);
  border-radius: 18px;
  padding: 16px;
  overflow: hidden;
}

.page-contact .ready__visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
}

.page-contact .ready__visual-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 合作对接 ---------- */
.page-contact .partner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 30px 22px 32px;
  overflow: hidden;
  background:
    radial-gradient(130% 150% at 4% 0%, rgba(212, 160, 23, .16), rgba(212, 160, 23, 0) 56%),
    linear-gradient(135deg, #0B1A2A 0%, #16283F 54%, rgba(212, 160, 23, .10) 100%);
}

.page-contact .partner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dim) 0%, var(--gold) 42%, var(--gold-hi) 72%, transparent 100%);
  transform: skewY(-1.6deg);
  transform-origin: left top;
}

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

.page-contact .partner__body .index-label {
  display: inline-block;
  margin-bottom: 12px;
}

.page-contact .partner__body h2 {
  margin: 0 0 16px;
}

.page-contact .partner__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 52ch;
}

.page-contact .partner__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .partner__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .partner__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .partner__k {
  font-size: 13px;
  color: var(--mist);
}

.page-contact .partner__v {
  font-size: 15px;
  color: var(--gold-hi);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

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

  .page-contact .checklist li {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
    gap: 52px;
    align-items: center;
    padding: 44px 0 26px;
  }

  .page-contact .channels__head {
    margin-bottom: 34px;
  }

  .page-contact .ready__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ready__visual {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }

  .page-contact .partner {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 4fr);
    gap: 48px;
    align-items: center;
    padding: 40px 44px;
  }
}

@media (min-width: 1040px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel {
    padding: 26px 24px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}