/* ========== 联系我们 · 页面专属 ========== */
.page-contact {
  --contact-gold: #F7B433;
  --contact-violet: #8B5CF6;
  --contact-surface: #151B31;
  --contact-muted: #8A93B8;
  --contact-line: #2A3157;
  --contact-ok: #2DD4BF;
  background: linear-gradient(180deg, #0B0C1A 0%, #10142A 60%, #0B0C1A 100%);
  color: var(--color-icy-white, #F4F6FF);
  line-height: 1.75;
}

.page-contact .section-label {
  color: var(--contact-gold);
  font-size: .8125rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-contact h2 {
  font-family: var(--font-title, 'Orbitron', sans-serif);
  font-size: var(--font-size-h2, clamp(1.5rem, 3vw, 2.5rem));
  line-height: 1.25;
  color: #F4F6FF;
  margin: .4rem 0 1rem;
}

/* ---- 面包屑 ---- */
.page-contact .contact-crumb {
  padding-top: 1.5rem;
  padding-bottom: 0;
}
.page-contact .contact-crumb a {
  color: var(--contact-muted);
  text-decoration: none;
}
.page-contact .contact-crumb a:hover {
  color: var(--contact-gold);
}
.page-contact .contact-crumb .breadcrumb-current {
  color: #F4F6FF;
}

/* ---- Hero ---- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(3rem, 6vw, 6rem) 0 0;
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 340px;
  background:
    radial-gradient(circle at 25% 40%, rgba(247, 180, 51, .14), transparent 32%),
    radial-gradient(circle at 78% 20%, rgba(139, 92, 246, .16), transparent 28%),
    radial-gradient(1px 1px at 15% 30%, rgba(244, 246, 255, .65) 50%, transparent 50%),
    radial-gradient(1px 1px at 60% 15%, rgba(247, 180, 51, .6) 50%, transparent 50%),
    radial-gradient(1px 1px at 85% 55%, rgba(139, 92, 246, .6) 50%, transparent 50%);
  pointer-events: none;
}
.page-contact .contact-hero__inner {
  position: relative;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.page-contact .contact-hero__copy .hero-title {
  margin: .5rem 0 1rem;
  font-size: var(--font-size-hero, clamp(2.5rem, 6vw, 5rem));
  line-height: 1.08;
  letter-spacing: .01em;
  text-shadow: 0 0 40px rgba(247, 180, 51, .2);
  color: #F4F6FF;
}
.page-contact .contact-hero__desc {
  font-size: 1.0625rem;
  color: var(--contact-muted);
  max-width: 32em;
}
.page-contact .contact-hero__mail {
  color: var(--contact-gold);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(247, 180, 51, .4);
  transition: border-color .2s, box-shadow .2s;
}
.page-contact .contact-hero__mail:hover {
  border-bottom-color: var(--contact-gold);
  box-shadow: 0 2px 0 rgba(247, 180, 51, .35);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-top: 2rem;
}
.page-contact .contact-hero__media {
  margin: 0;
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg, 20px);
  border: 1px solid rgba(42, 49, 87, .9);
  box-shadow: var(--shadow-md, 0 10px 30px rgba(0, 0, 0, .28));
}

/* ---- 联系渠道 ---- */
.page-contact .contact-channels {
  padding: 5rem 0 4rem;
}
.page-contact .contact-channels__head {
  margin-bottom: 2rem;
}
.page-contact .contact-channels__intro {
  color: var(--contact-muted);
  max-width: 42em;
  margin-bottom: 0;
}
.page-contact .contact-channels__band {
  display: grid;
  gap: 1.5rem;
}

.page-contact .contact-mailcard {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 260px;
  padding: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(247, 180, 51, .14), rgba(139, 92, 246, .08));
  border: 1px solid rgba(247, 180, 51, .35);
  border-radius: var(--radius-lg, 20px);
  text-decoration: none;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.page-contact .contact-mailcard::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(139, 92, 246, .5);
  border-radius: 50%;
  box-shadow: 0 0 0 24px rgba(139, 92, 246, .06);
  pointer-events: none;
}
.page-contact .contact-mailcard:hover,
.page-contact .contact-mailcard:focus-visible {
  border-color: var(--contact-gold);
  box-shadow: var(--glow-gold, 0 0 24px rgba(247, 180, 51, .15));
  transform: translateY(-3px);
}
.page-contact .contact-mailcard__tag {
  position: relative;
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--contact-muted);
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.page-contact .contact-mailcard__address {
  position: relative;
  display: inline-block;
  font-family: var(--font-title, 'Orbitron', sans-serif);
  font-size: clamp(1.3rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: #F4F6FF;
  padding-bottom: .4rem;
  background-image: linear-gradient(90deg, var(--contact-gold) 0%, var(--contact-violet) 120%);
  background-repeat: no-repeat;
  background-size: 0% 3px;
  background-position: left bottom;
  transition: background-size .3s ease;
}
.page-contact .contact-mailcard:hover .contact-mailcard__address,
.page-contact .contact-mailcard:focus-visible .contact-mailcard__address {
  background-size: 100% 3px;
}
.page-contact .contact-mailcard__hint {
  position: relative;
  margin-top: 1.5rem;
  font-size: .875rem;
  color: var(--contact-gold);
}

/* ---- 轨道卡片 ---- */
.page-contact .contact-orbits {
  display: grid;
  gap: 1.25rem;
}
.page-contact .orbit-card {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr;
  column-gap: 1.25rem;
  align-items: center;
  padding: 1.75rem;
  background: rgba(21, 27, 49, .8);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.page-contact .orbit-card:hover {
  border-color: rgba(139, 92, 246, .55);
  box-shadow: var(--shadow-md, 0 10px 30px rgba(0, 0, 0, .28));
  transform: translateY(-3px);
}
.page-contact .orbit-card__icon {
  grid-row: span 2;
  width: 64px;
  height: 64px;
  animation: contact-orbit-spin 16s linear infinite;
  transform-origin: center;
}
.page-contact .orbit-card:hover .orbit-card__icon {
  animation-duration: 4.5s;
}
@keyframes contact-orbit-spin {
  to {
    transform: rotate(360deg);
  }
}
.page-contact .orbit-card__label {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--contact-muted);
}
.page-contact .orbit-card__value {
  margin: .25rem 0 0;
  color: #F4F6FF;
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.5;
  text-decoration: none;
}
.page-contact .orbit-card--phone .orbit-card__value {
  color: var(--contact-gold);
  font-family: var(--font-title, 'Orbitron', sans-serif);
  font-size: 1.25rem;
  letter-spacing: .04em;
}
.page-contact .orbit-card__usage {
  grid-column: 2;
  margin: .3rem 0 0;
  font-size: .875rem;
  color: var(--contact-muted);
}

/* ---- 信号区 ---- */
.page-contact .contact-signal {
  padding: 4rem 0;
  position: relative;
}
.page-contact .contact-signal::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 85%, rgba(139, 92, 246, .12), transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(247, 180, 51, .1), transparent 35%);
  pointer-events: none;
}
.page-contact .contact-signal__inner {
  position: relative;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.page-contact .contact-signal__fig {
  margin: 0;
}
.page-contact .contact-signal__fig img {
  width: 100%;
  height: auto;
  max-width: 520px;
  margin-inline: auto;
  display: block;
  border-radius: 50%;
  border: 1px solid rgba(139, 92, 246, .45);
  box-shadow: 0 0 80px rgba(139, 92, 246, .12);
  object-fit: cover;
}
.page-contact .contact-signal__copy p {
  color: var(--contact-muted);
}
.page-contact .contact-signal__copy p + p {
  margin-top: 1rem;
}
.page-contact .contact-signal__copy strong {
  color: #F4F6FF;
  font-weight: 600;
}

/* ---- 技术支持说明 ---- */
.page-contact .contact-support {
  padding: 4rem 0;
}
.page-contact .contact-support__lead {
  color: var(--contact-muted);
  margin-bottom: 2rem;
  max-width: 46em;
}
.page-contact .contact-support__list {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}
.page-contact .contact-support__list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--contact-line);
}
.page-contact .contact-support__list li > span {
  font-family: var(--font-title, 'Orbitron', sans-serif);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--contact-gold);
}
.page-contact .contact-support__list strong {
  display: block;
  color: #F4F6FF;
  font-size: 1.0625rem;
  margin-bottom: .35rem;
  font-weight: 600;
}
.page-contact .contact-support__list p {
  margin: 0;
  color: var(--contact-muted);
  font-size: .9375rem;
}
.page-contact .contact-support__note {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.75rem;
  background: rgba(21, 27, 49, .75);
  border: 1px solid var(--contact-line);
  border-left: 3px solid var(--contact-gold);
  border-radius: var(--radius-md, 12px);
}
.page-contact .contact-support__note p {
  margin: 0;
  color: var(--contact-muted);
}
.page-contact .contact-support__note a {
  color: var(--contact-gold);
  font-weight: 600;
}

/* ---- 访问信息 ---- */
.page-contact .contact-visit {
  padding: 4rem 0;
}
.page-contact .contact-visit__inner {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-contact .contact-visit__map {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  background:
    linear-gradient(rgba(42, 49, 87, .65) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 49, 87, .65) 1px, transparent 1px);
  background-size: 28px 28px;
  background-color: rgba(21, 27, 49, .4);
}
.page-contact .contact-visit__map::before {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  left: 12%;
  top: 18%;
  background: radial-gradient(circle, rgba(247, 180, 51, .22), transparent 65%);
  border-radius: 50%;
}
.page-contact .contact-visit__map::after {
  content: "";
  position: absolute;
  width: 70px;
  height: 70px;
  right: 14%;
  bottom: 18%;
  border: 1px solid rgba(139, 92, 246, .4);
  border-radius: 50%;
  box-shadow: 0 0 0 12px rgba(139, 92, 246, .07), 0 0 0 26px rgba(139, 92, 246, .04);
}
.page-contact .contact-visit__plot {
  position: absolute;
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}
.page-contact .contact-visit__plot--gold {
  left: 28%;
  top: 38%;
  background: var(--contact-gold);
}
.page-contact .contact-visit__plot--violet {
  left: 62%;
  top: 58%;
  background: var(--contact-violet);
}
.page-contact .contact-visit__plot--teal {
  left: 44%;
  top: 22%;
  background: var(--contact-ok);
}
.page-contact .contact-visit__addr-label {
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--contact-muted);
  margin: 1rem 0 .25rem;
}
.page-contact .contact-visit__addr {
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 600;
  line-height: 1.5;
  color: #F4F6FF;
  margin-bottom: 1rem;
}
.page-contact .contact-visit__note {
  color: var(--contact-muted);
  font-size: .9375rem;
  max-width: 34em;
  border-top: 1px solid var(--contact-line);
  padding-top: 1rem;
}

/* ---- 底部相关链接 ---- */
.page-contact .contact-related {
  padding: 3rem 0 4.5rem;
  border-top: 1px solid var(--contact-line);
}
.page-contact .contact-related__inner {
  display: grid;
  gap: 1rem;
}
.page-contact .contact-related__link {
  display: block;
  padding: 1.5rem 1.75rem;
  background: rgba(21, 27, 49, .6);
  border: 1px solid var(--contact-line);
  border-radius: 14px;
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.page-contact .contact-related__link span {
  display: block;
  color: #F4F6FF;
  font-weight: 600;
  font-size: 1.0625rem;
  margin-bottom: .3rem;
}
.page-contact .contact-related__link small {
  color: var(--contact-muted);
  font-size: .875rem;
}
.page-contact .contact-related__link:hover {
  border-color: rgba(247, 180, 51, .5);
  box-shadow: var(--shadow-md, 0 10px 30px rgba(0, 0, 0, .28));
  transform: translateY(-2px);
}

/* ---- 平板与桌面布局 ---- */
@media (min-width: 560px) {
  .page-contact .contact-support__note {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 768px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .contact-signal__inner {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-contact .contact-visit__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .contact-related__inner {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channels__band {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: stretch;
  }
  .page-contact .contact-mailcard {
    min-height: 100%;
    height: 100%;
  }
  .page-contact .contact-orbits {
    grid-template-rows: repeat(2, 1fr);
  }
}