.page-contact {
  --ct-line: rgba(154, 176, 198, 0.20);
  --ct-line-soft: rgba(154, 176, 198, 0.12);
  background: var(--night);
  color: var(--snow);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

.page-contact .breadcrumbs__now {
  color: var(--snow);
  font-weight: 600;
}

/* ---------- 首屏导语 ---------- */
.page-contact .contact-intro {
  padding: 26px 0 40px;
}

.page-contact .contact-intro__inner {
  display: grid;
  gap: 18px;
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}

.page-contact .contact-intro h1 {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(30px, 8vw, 58px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .contact-intro__lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-intro__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 联系信息板 ---------- */
.page-contact .board {
  padding: 44px 0;
  background: linear-gradient(180deg, var(--deep) 0%, var(--night) 100%);
}

.page-contact .board__grid {
  display: grid;
  gap: 30px;
}

.page-contact .board__col {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(217, 164, 65, 0.22), 0 18px 38px -26px #000;
  transform: translateY(-2px);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-contact .contact-card__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .contact-card__value {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--mono {
  font-size: clamp(15px, 4.6vw, 19px);
  letter-spacing: 0.01em;
  color: var(--gold-bright);
}

.page-contact .contact-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .copy-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid rgba(217, 164, 65, 0.45);
  border-radius: 999px;
  background: transparent;
  color: var(--gold-bright);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--ease), background var(--ease), border-color var(--ease);
}

.page-contact .copy-btn::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--night);
  background: var(--gold);
  border-color: var(--gold);
}

.page-contact .copy-btn[data-copied="true"] {
  color: var(--ink);
  background: var(--glow);
  border-color: var(--glow);
}

/* ---------- 抽象地域面板 ---------- */
.page-contact .atlas {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 400px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  isolation: isolate;
}

.page-contact .atlas__photo {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.75);
}

.page-contact .atlas__mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(154, 176, 198, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 176, 198, 0.16) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(circle at 68% 30%, #000 8%, transparent 72%);
  mask-image: radial-gradient(circle at 68% 30%, #000 8%, transparent 72%);
}

.page-contact .atlas__pin {
  position: absolute;
  top: 28%;
  left: 64%;
  z-index: 2;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 0 6px rgba(217, 164, 65, 0.16), 0 0 30px 8px rgba(217, 164, 65, 0.32);
}

.page-contact .atlas__pin::after {
  content: "";
  position: absolute;
  inset: -26px;
  border: 1px solid rgba(240, 201, 120, 0.3);
  border-radius: 50%;
}

.page-contact .atlas__body {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 14px;
  padding: 28px 22px 24px;
  background: linear-gradient(180deg, rgba(2, 11, 20, 0) 0%, rgba(2, 11, 20, 0.86) 34%, rgba(2, 11, 20, 0.95) 100%);
}

.page-contact .atlas__title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--snow);
}

.page-contact .atlas__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .atlas__facts {
  display: grid;
  gap: 0;
  margin: 2px 0 0;
}

.page-contact .atlas__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--ct-line-soft);
}

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

.page-contact .atlas__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gold-bright);
}

/* ---------- 沟通分类 ---------- */
.page-contact .topics {
  padding: 46px 0;
}

.page-contact .topic-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .topic {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius);
  background: rgba(21, 57, 92, 0.42);
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .topic:hover,
.page-contact .topic:focus-within {
  border-color: rgba(217, 164, 65, 0.68);
  background: rgba(21, 57, 92, 0.85);
}

.page-contact .topic__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .topic__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--snow);
}

.page-contact .topic__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .topic .link-arrow {
  justify-self: start;
  margin-top: 2px;
}

/* ---------- 回复时效 ---------- */
.page-contact .reply {
  padding: 46px 0;
  background: var(--deep);
}

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

.page-contact .reply__rows {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .reply-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .reply-row .status-dot {
  margin-top: 7px;
  flex: 0 0 auto;
}

.page-contact .reply-row__key {
  margin: 0 0 3px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .reply-row__val {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--snow);
}

.page-contact .reply__figure {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .reply__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--ct-line);
}

.page-contact .reply__figure figcaption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 地址与备案 ---------- */
.page-contact .registry {
  padding: 46px 0;
}

.page-contact .registry__inner {
  display: grid;
  gap: 16px;
  padding: 24px 20px;
  border: 1px solid var(--ct-line);
  border-top: 2px solid var(--saffron);
  border-radius: var(--radius);
  background: rgba(13, 42, 74, 0.6);
}

.page-contact .registry__list {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .registry__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-line-soft);
}

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

.page-contact .registry__row dt {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .registry__row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-contact .registry__row dd.mono {
  color: var(--gold-bright);
  font-size: 14.5px;
}

/* ---------- 同屏订阅 ---------- */
.page-contact .stay {
  padding: 20px 0 64px;
}

.page-contact .stay__inner {
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  border: 1px solid rgba(217, 164, 65, 0.34);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 8% 0%, rgba(217, 164, 65, 0.18) 0%, rgba(217, 164, 65, 0) 58%),
    var(--panel);
}

.page-contact .stay__title {
  margin: 6px 0 0;
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-contact .stay__text {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .stay__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .stay__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--ct-line-soft);
}

/* ---------- 窄屏保护 ---------- */
.page-contact .contact-card__value,
.page-contact .contact-card__text,
.page-contact .topic__text,
.page-contact .atlas__text {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-contact .stay__actions .btn {
  max-width: 100%;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-intro {
    padding: 34px 0 48px;
  }

  .page-contact .contact-intro__lede {
    font-size: 17px;
  }

  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .registry__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .registry__row dt {
    padding-top: 2px;
  }

  .page-contact .stay__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    padding: 32px 28px;
  }

  .page-contact .stay__lead {
    grid-column: 1 / -1;
  }

  .page-contact .stay__links {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .board {
    padding: 58px 0;
  }

  .page-contact .board__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 36px;
    align-items: start;
  }

  .page-contact .atlas {
    min-height: 100%;
    position: sticky;
    top: 96px;
  }

  .page-contact .topics,
  .page-contact .reply,
  .page-contact .registry {
    padding: 64px 0;
  }

  .page-contact .reply__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .reply__figure {
    margin-top: 6px;
  }

  .page-contact .stay {
    padding: 24px 0 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .copy-btn,
  .page-contact .topic,
  .page-contact .breadcrumbs__link {
    transition: none;
  }

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