.page-contact {
  --ct-line: rgba(231, 200, 122, 0.24);
  --ct-line-strong: rgba(231, 200, 122, 0.55);
  --ct-slit: linear-gradient(180deg, rgba(231, 200, 122, 0.50), rgba(46, 123, 255, 0.28));
  --ct-card: #0B0F17;
  --ct-hair: rgba(200, 220, 255, 0.10);
  --ct-block: clamp(26px, 4.5vw, 58px);
  overflow-x: clip;
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__lead h1 {
  margin: 6px 0 0;
  text-shadow:
    0 0 26px rgba(255, 45, 85, 0.30),
    0 0 60px rgba(46, 123, 255, 0.16);
}

.page-contact .contact-hero__lead .lede {
  margin-top: 18px;
  max-width: 40ch;
}

.page-contact .contact-hero__card {
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--ct-line);
  align-self: end;
  backdrop-filter: blur(6px);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin: 0;
  padding-block: 11px;
  border-bottom: 1px solid var(--ct-hair);
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .contact-hero__meta:last-child {
  border-bottom: 0;
}

.page-contact .contact-hero__k {
  color: var(--faint);
  letter-spacing: 0.16em;
}

.page-contact .contact-hero__v {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__v--long {
  font-size: 12px;
}

/* ---------- 通用区块头 ---------- */
.page-contact .contact-sec-head {
  max-width: 52ch;
  margin-bottom: var(--ct-block);
}

.page-contact .contact-sec-head h2 {
  margin: 6px 0 0;
}

.page-contact .contact-sec-head__hint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  position: relative;
  isolation: isolate;
}

.page-contact .contact-channels__texture {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.30;
  filter: saturate(0.65) contrast(1.05);
  pointer-events: none;
}

.page-contact .contact-channels::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(7, 9, 15, 0.30), rgba(7, 9, 15, 0.94) 68%),
    linear-gradient(180deg, rgba(7, 9, 15, 0.55), rgba(7, 9, 15, 0.96));
  pointer-events: none;
}

.page-contact .chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ct-slit);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .chan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3.2vw, 34px);
  background: var(--ct-card);
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.page-contact .chan-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(231, 200, 122, 0);
  transition: box-shadow 180ms ease;
}

.page-contact .chan-card:hover {
  background: #0E1420;
}

.page-contact .chan-card:hover::after {
  box-shadow:
    inset 0 0 0 1px var(--ct-line-strong),
    inset 0 0 44px rgba(231, 200, 122, 0.09);
}

.page-contact .chan-card__k {
  margin: 0;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-contact .chan-card__name {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .chan-card__value {
  margin: 0;
  padding: 10px 12px;
  border-left: 2px solid var(--gold);
  background: rgba(231, 200, 122, 0.06);
  color: var(--gold);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.page-contact .chan-card__note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .chan-card .tag {
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- 双栏说明 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .contact-split__aside .prose {
  margin-top: 16px;
}

/* ---------- 定义列表 ---------- */
.page-contact .contact-defs {
  margin: 0;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .contact-defs__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .contact-defs__term {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}

.page-contact .contact-defs__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .contact-defs__desc strong {
  color: var(--gold);
  font-weight: 600;
}

/* ---------- 注册咨询准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: linear-gradient(90deg, rgba(231, 200, 122, 0.40), rgba(46, 123, 255, 0.24));
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ct-card);
}

.page-contact .prep-item__num {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-contact .prep-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .prep-item__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .prep-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--blue);
  background: rgba(46, 123, 255, 0.07);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .prep-tail strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 反馈分类 ---------- */
.page-contact .fb-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .fb-jump__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--ct-line);
  border-radius: 999px;
  background: rgba(200, 220, 255, 0.05);
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.page-contact .fb-jump__item:hover,
.page-contact .fb-jump__item:focus-visible {
  border-color: var(--ct-line-strong);
  background: rgba(231, 200, 122, 0.12);
  color: var(--gold);
}

.page-contact .fb-jump__num {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .fb-list {
  display: grid;
  gap: 1px;
  background: linear-gradient(180deg, rgba(46, 123, 255, 0.32), rgba(231, 200, 122, 0.30));
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .fb-item {
  padding: clamp(22px, 3vw, 32px);
  background: var(--ct-card);
  scroll-margin-top: 90px;
  position: relative;
  transition: background-color 200ms ease;
}

.page-contact .fb-item:target {
  background: #101826;
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-contact .fb-item__idx {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-contact .fb-item__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .fb-item__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 60ch;
}

.page-contact .fb-item__meta {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-hair);
  color: var(--faint);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 尾部：边界与备案 ---------- */
.page-contact .icp-block {
  margin-top: clamp(24px, 3.5vw, 36px);
  padding: 20px 22px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  background: rgba(231, 200, 122, 0.05);
}

.page-contact .icp-block__label {
  margin: 0 0 10px;
}

.page-contact .icp-block__value {
  margin: 0;
  color: var(--gold);
  font-size: 17px;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
}

.page-contact .icp-block__hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- 收口 ---------- */
.page-contact .contact-outro .figure {
  margin: 0;
}

.page-contact .contact-outro .figure__cap {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-outro__line {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--ct-hair);
  color: var(--faint);
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .chan-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-defs__row {
    grid-template-columns: minmax(0, 15em) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(34px, 4vw, 60px);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-hero__card {
    padding: 8px 16px;
  }

  .page-contact .chan-card__value {
    font-size: 13px;
  }

  .page-contact .icp-block__value {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan-card,
  .page-contact .chan-card::after,
  .page-contact .fb-item,
  .page-contact .fb-jump__item {
    transition-duration: 0.01ms;
  }
}