.page-contact {
  --pc-cool-glow: rgba(0, 229, 208, 0.18);
  --pc-hot-glow: rgba(255, 122, 26, 0.16);
  --pc-cool-line: rgba(0, 229, 208, 0.55);
  color: var(--s3-text);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding-top: 34px;
  padding-bottom: 48px;
  overflow: hidden;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -160px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle at center, var(--pc-cool-glow), transparent 68%);
  pointer-events: none;
}

.page-contact .pc-hero__title {
  margin: 14px 0 16px;
  font-size: clamp(34px, 8.2vw, 82px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-contact .pc-hero__lede {
  max-width: 38ch;
  color: var(--s3-muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

.page-contact .pc-hero__facts {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--s3-line);
  border-top: 1px solid var(--s3-line);
  border-bottom: 1px solid var(--s3-line);
}

.page-contact .pc-hero__facts li {
  background: var(--s3-ink);
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .pc-hero__num {
  color: var(--s3-cyan);
  font-size: clamp(20px, 4.6vw, 30px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-contact .pc-hero__facts small {
  color: var(--s3-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .pc-hero__actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 分流器 ---------- */
.page-contact .pc-router__hint {
  margin: 0;
  max-width: 34ch;
  color: var(--s3-muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .pc-router__visual {
  margin-top: 24px;
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  overflow: hidden;
  background: var(--s3-deep);
}

.page-contact .pc-router__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1200 / 640;
  object-fit: cover;
  opacity: 0.82;
}

.page-contact .pc-router__body {
  margin-top: 22px;
}

.page-contact .pc-router__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .pc-router__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .pc-router__card {
  position: relative;
  display: block;
  padding: 18px 18px 20px 22px;
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  background: var(--s3-glass);
  cursor: pointer;
  transition: background 180ms var(--s3-ease), border-color 180ms var(--s3-ease),
    transform 180ms var(--s3-ease);
}

.page-contact .pc-router__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 180ms var(--s3-ease);
}

.page-contact .pc-router__idx {
  display: block;
  font-family: var(--s3-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--s3-muted);
}

.page-contact .pc-router__name {
  display: block;
  margin: 8px 0 6px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--s3-text);
}

.page-contact .pc-router__desc {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--s3-muted);
}

.page-contact .pc-router__card:hover {
  background: var(--s3-glass-strong);
  transform: translateY(-2px);
}

.page-contact .pc-router__input:focus-visible ~ .pc-router__cards {
  outline: 2px solid var(--s3-cyan);
  outline-offset: 6px;
}

.page-contact #pc-route-fee:checked ~ .pc-router__cards label[for="pc-route-fee"],
.page-contact #pc-route-account:checked ~ .pc-router__cards label[for="pc-route-account"],
.page-contact #pc-route-biz:checked ~ .pc-router__cards label[for="pc-route-biz"],
.page-contact #pc-route-media:checked ~ .pc-router__cards label[for="pc-route-media"] {
  background: linear-gradient(135deg, rgba(0, 229, 208, 0.2), rgba(25, 240, 200, 0.04));
  border-color: var(--pc-cool-line);
  transform: translateY(-2px);
}

.page-contact #pc-route-fee:checked ~ .pc-router__cards label[for="pc-route-fee"]::before,
.page-contact #pc-route-account:checked ~ .pc-router__cards label[for="pc-route-account"]::before,
.page-contact #pc-route-biz:checked ~ .pc-router__cards label[for="pc-route-biz"]::before,
.page-contact #pc-route-media:checked ~ .pc-router__cards label[for="pc-route-media"]::before {
  background: var(--s3-cyan);
}

.page-contact #pc-route-fee:checked ~ .pc-router__cards label[for="pc-route-fee"] .pc-router__idx,
.page-contact #pc-route-account:checked ~ .pc-router__cards label[for="pc-route-account"] .pc-router__idx,
.page-contact #pc-route-biz:checked ~ .pc-router__cards label[for="pc-route-biz"] .pc-router__idx,
.page-contact #pc-route-media:checked ~ .pc-router__cards label[for="pc-route-media"] .pc-router__idx {
  color: var(--s3-cyan);
}

.page-contact .pc-router__panel {
  display: none;
  margin-top: 20px;
}

.page-contact #pc-route-fee:checked ~ .pc-router__panels .pc-panel--fee,
.page-contact #pc-route-account:checked ~ .pc-router__panels .pc-panel--account,
.page-contact #pc-route-biz:checked ~ .pc-router__panels .pc-panel--biz,
.page-contact #pc-route-media:checked ~ .pc-router__panels .pc-panel--media {
  display: block;
}

.page-contact .pc-panel__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--s3-line);
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  overflow: hidden;
}

.page-contact .pc-panel__row {
  background: var(--s3-panel);
  padding: 18px;
}

.page-contact .pc-panel__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--s3-cyan);
  margin-bottom: 8px;
}

.page-contact .pc-panel__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--s3-text);
}

.page-contact .pc-panel__cta {
  margin-top: 16px;
}

/* ---------- 通道清单 ---------- */
.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .pc-channels__list {
  border-top: 1px solid var(--s3-line);
}

.page-contact .pc-channel {
  position: relative;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--s3-line);
}

.page-contact .pc-channel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 1px;
  background: var(--s3-cyan);
  transition: width 200ms var(--s3-ease);
}

.page-contact .pc-channel:hover::after {
  width: 60px;
}

.page-contact .pc-channel--hot::after {
  background: var(--s3-orange);
}

.page-contact .pc-channel__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 14px;
}

.page-contact .pc-channel__kind {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--s3-cyan);
}

.page-contact .pc-channel--hot .pc-channel__kind {
  color: var(--s3-orange);
}

.page-contact .pc-channel__meta {
  font-size: 12px;
  color: var(--s3-muted);
  letter-spacing: 0.06em;
}

.page-contact .pc-channel__value {
  margin: 10px 0 8px;
  font-family: var(--s3-font-mono);
  font-size: clamp(21px, 5.4vw, 30px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--s3-text);
  word-break: break-word;
}

.page-contact .pc-channel__value--mail {
  font-size: clamp(16px, 4vw, 23px);
}

.page-contact .pc-channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--s3-line);
  transition: color 160ms var(--s3-ease), border-color 160ms var(--s3-ease);
}

.page-contact .pc-channel__value a:hover {
  color: var(--s3-cyan);
  border-color: var(--s3-cyan);
}

.page-contact .pc-channel__note {
  margin: 0;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--s3-muted);
}

.page-contact .pc-channels__aside {
  display: grid;
  gap: 18px;
}

.page-contact .pc-channels__media {
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  overflow: hidden;
  background: var(--s3-deep);
  position: relative;
}

.page-contact .pc-channels__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, var(--pc-hot-glow), transparent 62%);
  pointer-events: none;
}

.page-contact .pc-channels__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1200 / 600;
  object-fit: cover;
}

.page-contact .pc-channels__brief {
  border-left: 2px solid var(--s3-orange);
  padding: 4px 0 4px 16px;
}

.page-contact .pc-channels__brief p {
  margin: 0 0 10px;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--s3-muted);
}

.page-contact .pc-channels__meta {
  color: var(--s3-amber) !important;
  font-size: 13px !important;
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-flow__hint {
  margin: 0;
  max-width: 32ch;
  color: var(--s3-muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .pc-flow__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  position: relative;
}

.page-contact .pc-flow__list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--s3-cyan-bright), var(--s3-orange));
}

.page-contact .pc-flow__node {
  position: relative;
  padding: 0 0 30px 34px;
  transition: transform 180ms var(--s3-ease);
}

.page-contact .pc-flow__node:last-child {
  padding-bottom: 0;
}

.page-contact .pc-flow__node:hover {
  transform: translateX(3px);
}

.page-contact .pc-flow__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--s3-orange);
  background: var(--s3-ink);
  box-shadow: 0 0 0 4px var(--pc-hot-glow);
}

.page-contact .pc-flow__idx {
  display: block;
  font-family: var(--s3-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--s3-orange);
  margin-bottom: 6px;
}

.page-contact .pc-flow__body h3 {
  margin: 0 0 8px;
}

.page-contact .pc-flow__body p {
  margin: 0 0 8px;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--s3-muted);
}

.page-contact .pc-flow__out {
  color: var(--s3-cyan) !important;
  font-size: 13px !important;
  transition: color 180ms var(--s3-ease), transform 180ms var(--s3-ease);
}

.page-contact .pc-flow__node:hover .pc-flow__out {
  color: var(--s3-amber) !important;
  transform: translateX(3px);
}

/* ---------- 来访与邮寄 ---------- */
.page-contact .pc-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-visit__card {
  padding: 24px 20px 26px;
}

.page-contact .pc-visit__card p {
  margin: 0 0 12px;
  max-width: 38ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--s3-muted);
}

.page-contact .pc-visit__card p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-visit__card h2,
.page-contact .pc-visit__card h3 {
  margin: 10px 0 12px;
}

.page-contact .pc-visit__addr {
  font-family: var(--s3-font-mono);
  font-size: 15px !important;
  line-height: 1.6 !important;
  color: var(--s3-text) !important;
  word-break: break-word;
}

.page-contact .pc-visit__card--warm {
  border-left: 2px solid var(--s3-orange);
  background: linear-gradient(160deg, rgba(255, 122, 26, 0.1), rgba(6, 11, 24, 0) 55%);
}

.page-contact .pc-visit__meta {
  color: var(--s3-amber) !important;
  font-size: 13px !important;
}

/* ---------- 响应时效 ---------- */
.page-contact .pc-table-wrap {
  margin-top: 24px;
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  overflow-x: auto;
  background: var(--s3-deep);
}

.page-contact .pc-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-contact .pc-table__caption {
  caption-side: bottom;
  text-align: left;
  padding: 12px 16px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--s3-muted);
}

.page-contact .pc-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--s3-panel);
  color: var(--s3-muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-align: left;
  padding: 14px 16px;
  white-space: nowrap;
  border-bottom: 1px solid var(--s3-line);
}

.page-contact .pc-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--s3-line);
  color: var(--s3-text);
  line-height: 1.55;
}

.page-contact .pc-table tbody tr:nth-child(even) {
  background: rgba(18, 34, 74, 0.42);
}

.page-contact .pc-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .pc-table td:last-child {
  font-family: var(--s3-font-mono);
  font-weight: 600;
  color: var(--s3-cyan);
  white-space: nowrap;
}

.page-contact .pc-response__foot {
  margin: 16px 0 0;
  max-width: 38ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--s3-muted);
}

/* ---------- 下一步 ---------- */
.page-contact .pc-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--s3-line);
  border: 1px solid var(--s3-line);
  border-radius: var(--s3-radius);
  overflow: hidden;
}

.page-contact .pc-next__item {
  display: block;
  padding: 22px 20px;
  background: var(--s3-ink);
  text-decoration: none;
  transition: background 180ms var(--s3-ease);
}

.page-contact .pc-next__item:hover {
  background: var(--s3-panel);
}

.page-contact .pc-next__kicker {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--s3-muted);
  margin-bottom: 8px;
}

.page-contact .pc-next__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--s3-text);
  letter-spacing: -0.01em;
}

.page-contact .pc-next__item:hover .pc-next__title {
  color: var(--s3-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-router__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .pc-panel__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .pc-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .page-contact .pc-router__cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-flow__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-contact .pc-flow__list::before {
    display: none;
  }

  .page-contact .pc-flow__node {
    padding-left: 30px;
    padding-bottom: 34px;
  }

  .page-contact .pc-flow__node:nth-child(1)::before,
  .page-contact .pc-flow__node:nth-child(2)::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 20px;
    bottom: -20px;
    width: 1px;
    background: var(--s3-line);
  }
}