/* ---------- 联系页 · 信号站 ---------- */
.page-contact {
  --pc-ink-light: #F4F6FB;
  --pc-ink-dim: rgba(244, 246, 251, 0.68);
  --pc-ink-soft: rgba(244, 246, 251, 0.55);
  --pc-gold: #E8B64C;
  --pc-navy: #0B1B3B;
  --pc-navy-deep: #071126;
  --pc-navy-mid: #102049;
  --pc-mist: #EFF2F7;
  --pc-dark: #1A2A44;
  --pc-cyan: #3DC9B0;
  --pc-line: rgba(212, 175, 106, 0.28);
  --pc-line-soft: rgba(212, 175, 106, 0.16);
  background: var(--pc-navy-deep);
  color: var(--pc-ink-light);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  position: relative;
  z-index: 2;
  padding-top: 96px;
  padding-bottom: 4px;
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact section[id] {
  scroll-margin-top: 96px;
}

.page-contact a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 70px;
  background:
    radial-gradient(circle at 88% 8%, rgba(90, 79, 207, 0.30), transparent 44%),
    radial-gradient(circle at 12% 60%, rgba(46, 58, 110, 0.5), transparent 40%),
    linear-gradient(180deg, var(--pc-navy-deep) 0%, var(--pc-navy) 74%);
}

.page-contact .pc-hero-orb {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 106, 0.2);
  pointer-events: none;
}

.page-contact .pc-hero-orb--left {
  width: 220px;
  height: 220px;
  left: -90px;
  top: 36px;
}

.page-contact .pc-hero-orb--right {
  width: 130px;
  height: 130px;
  right: -30px;
  top: 216px;
}

.page-contact .pc-hero-code {
  margin: 0 0 18px;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--pc-gold);
}

.page-contact .pc-hero-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-contact .pc-hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--pc-ink-light);
}

.page-contact .pc-hero-rot {
  flex: none;
  display: block;
  writing-mode: vertical-rl;
  font-family: var(--font-title);
  font-size: 12px;
  letter-spacing: 0.42em;
  color: rgba(232, 182, 76, 0.82);
  padding-top: 8px;
}

.page-contact .pc-hero-lead {
  max-width: 720px;
  margin: 22px 0 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--pc-ink-dim);
  overflow-wrap: break-word;
}

.page-contact .pc-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 42px 0 28px;
}

.page-contact .pc-rail-node {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pc-gold);
  box-shadow: 0 0 0 5px rgba(232, 182, 76, 0.14), 0 0 22px rgba(232, 182, 76, 0.65);
}

.page-contact .pc-rail-node--soft {
  background: transparent;
  box-shadow: none;
  border: 1px solid rgba(232, 182, 76, 0.55);
}

.page-contact .pc-rail-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(232, 182, 76, 0.5), rgba(90, 79, 207, 0.25), transparent);
}

.page-contact .pc-hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
}

.page-contact .pc-meta-cell {
  padding: 16px 18px;
  border-left: 1px solid rgba(212, 175, 106, 0.4);
  background: rgba(46, 58, 110, 0.16);
}

.page-contact .pc-meta-cell dt {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(212, 175, 106, 0.9);
}

.page-contact .pc-meta-cell dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--pc-ink-light);
}

.page-contact .section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--pc-gold);
}

.page-contact h2 {
  margin: 12px 0 10px;
  font-family: var(--font-title);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--pc-ink-light);
}

.page-contact .pc-section-intro {
  max-width: 680px;
  margin: 0 0 34px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--pc-ink-dim);
}

.page-contact .pc-channels {
  border-top: 1px solid var(--pc-line-soft);
  padding: 62px 0 74px;
  background:
    linear-gradient(180deg, var(--pc-navy) 0%, var(--pc-navy-mid) 46%, var(--pc-navy) 100%);
}

.page-contact .pc-channels-layout {
  display: grid;
  gap: 28px;
}

.page-contact .pc-channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.page-contact .pc-channel-card {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--pc-line);
  background: linear-gradient(160deg, rgba(46, 58, 110, 0.24), rgba(7, 17, 38, 0.72));
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-contact .pc-channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  right: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 182, 76, 0.8), transparent);
  opacity: 0;
  transition: opacity var(--ease);
}

.page-contact .pc-channel-card::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 9px;
  height: 9px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--pc-gold);
  opacity: 0;
  transition: opacity var(--ease);
}

.page-contact .pc-channel-card:hover {
  border-color: rgba(232, 182, 76, 0.7);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(7, 17, 38, 0.45);
}

.page-contact .pc-channel-card:hover::before,
.page-contact .pc-channel-card:hover::after {
  opacity: 1;
}

.page-contact .pc-channel-code {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 0.28em;
  color: var(--pc-gold);
}

.page-contact .pc-channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 900;
  color: var(--pc-ink-light);
}

.page-contact .pc-channel-value {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--pc-ink-light);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel-value a {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 182, 76, 0.35);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .pc-channel-value a:hover {
  color: var(--pc-gold);
  border-color: var(--pc-gold);
}

.page-contact .pc-channel-note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

.page-contact .pc-channel-note a {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 182, 76, 0.35);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .pc-channel-note a:hover {
  color: var(--pc-gold);
  border-color: var(--pc-gold);
}

.page-contact .pc-channel-aside {
  padding: 22px;
  border: 1px solid rgba(90, 79, 207, 0.32);
  background: rgba(90, 79, 207, 0.08);
}

.page-contact .pc-chat-frame {
  margin: 0;
}

.page-contact .pc-chat-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-chat-frame figcaption {
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--pc-ink-soft);
}

.page-contact .pc-aside-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pc-cyan);
}

.page-contact .pc-status-pulse {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--pc-cyan);
  box-shadow: 0 0 0 4px rgba(61, 201, 176, 0.18), 0 0 14px rgba(61, 201, 176, 0.7);
}

.page-contact .pc-hebei {
  border-top: 1px solid var(--pc-line-soft);
  padding: 62px 0 70px;
  background:
    radial-gradient(circle at 16% 18%, rgba(90, 79, 207, 0.16), transparent 40%),
    linear-gradient(180deg, var(--pc-navy-deep) 0%, var(--pc-navy) 100%);
}

.page-contact .pc-hebei-grid {
  display: grid;
  gap: 34px;
  margin-top: 32px;
}

.page-contact .pc-map-figure {
  margin: 0;
}

.page-contact .pc-map-frame {
  position: relative;
  padding: 10px;
  border: 1px solid var(--pc-line);
  background: rgba(7, 17, 38, 0.64);
}

.page-contact .pc-map-frame::before,
.page-contact .pc-map-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--pc-gold);
  pointer-events: none;
}

.page-contact .pc-map-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .pc-map-frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .pc-map-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-map-pin {
  position: absolute;
  left: 32%;
  top: 40%;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(7, 17, 38, 0.82);
  border: 1px solid rgba(232, 182, 76, 0.6);
  font-family: var(--font-title);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-accent-light);
}

.page-contact .pc-map-pin em {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pc-gold);
  box-shadow: 0 0 0 4px rgba(232, 182, 76, 0.18), 0 0 16px rgba(232, 182, 76, 0.8);
}

.page-contact .pc-map-figure figcaption {
  margin-top: 14px;
  text-align: right;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pc-ink-soft);
}

.page-contact .pc-hebei-note h3 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 900;
  color: var(--pc-ink-light);
}

.page-contact .pc-hebei-note p {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--pc-ink-dim);
}

.page-contact .pc-hebei-list {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hebei-list li {
  padding-left: 18px;
  border-left: 1px solid rgba(232, 182, 76, 0.4);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--pc-ink-dim);
}

.page-contact .pc-hebei-hint {
  margin: 40px 0 0;
  padding: 18px 22px;
  border: 1px dashed rgba(212, 175, 106, 0.38);
  background: rgba(46, 58, 110, 0.18);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 246, 251, 0.85);
}

.page-contact .pc-categories {
  border-top: 1px solid rgba(212, 175, 106, 0.22);
  padding: 62px 0 70px;
  background: var(--pc-mist);
  color: var(--pc-dark);
}

.page-contact .pc-categories .section-index {
  color: var(--pc-dark);
}

.page-contact .pc-categories h2 {
  color: var(--pc-dark);
}

.page-contact .pc-categories .pc-section-intro {
  color: rgba(26, 42, 68, 0.72);
}

.page-contact .pc-cat-list {
  margin-top: 28px;
  border-top: 1px solid rgba(26, 42, 68, 0.16);
}

.page-contact .pc-cat-item {
  display: grid;
  gap: 14px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(26, 42, 68, 0.16);
}

.page-contact .pc-cat-tag {
  justify-self: start;
  padding: 6px 12px;
  background: var(--pc-navy);
  color: var(--pc-gold);
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-contact .pc-cat-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 900;
  color: var(--pc-dark);
}

.page-contact .pc-cat-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(26, 42, 68, 0.78);
}

.page-contact .pc-cat-item .btn {
  justify-self: start;
  width: 100%;
  text-align: center;
}

.page-contact .pc-cat-note {
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--pc-gold);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(26, 42, 68, 0.66);
}

.page-contact .pc-commitment {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--pc-line-soft);
  padding: 62px 0 176px;
  background:
    radial-gradient(circle at 88% 100%, rgba(232, 182, 76, 0.14), transparent 40%),
    linear-gradient(180deg, var(--pc-navy-deep) 0%, var(--pc-navy) 100%);
}

.page-contact .pc-commitment-skyline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 110px;
  pointer-events: none;
}

.page-contact .pc-commit-steps {
  display: grid;
  gap: 18px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-commit-step {
  position: relative;
  padding: 24px 22px 24px 76px;
  border: 1px solid rgba(90, 79, 207, 0.34);
  background: rgba(46, 58, 110, 0.16);
}

.page-contact .pc-step-num {
  position: absolute;
  left: 20px;
  top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--pc-gold);
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 900;
  color: var(--pc-gold);
}

.page-contact .pc-commit-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 900;
  color: var(--pc-ink-light);
}

.page-contact .pc-commit-step p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--pc-ink-dim);
}

.page-contact .pc-commit-footer {
  display: grid;
  gap: 20px;
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-commit-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--pc-cyan);
}

.page-contact .pc-commit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 768px) {
  .page-contact .pc-hero {
    padding: 56px 0 84px;
  }

  .page-contact .pc-hero-code {
    font-size: 12px;
    letter-spacing: 0.34em;
  }

  .page-contact .pc-hero-meta {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-contact .pc-hebei-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: center;
  }

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

  .page-contact .pc-commit-step {
    padding: 24px 22px 24px 24px;
  }

  .page-contact .pc-step-num {
    position: static;
    margin-bottom: 18px;
  }
}

@media (min-width: 992px) {
  .page-contact .pc-channels-layout {
    grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 30px;
  }

  .page-contact .pc-cat-item {
    grid-template-columns: 140px minmax(0, 1fr) auto;
    gap: 28px;
    align-items: start;
  }

  .page-contact .pc-cat-tag {
    margin-top: 2px;
  }

  .page-contact .pc-cat-item .btn {
    justify-self: end;
    width: auto;
    text-align: left;
  }

  .page-contact .pc-commit-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}