.page-contact {
  --pc-hair: 1px solid var(--line);
  --pc-panel: rgba(20, 56, 45, 0.72);
  --pc-lime-line: rgba(200, 255, 77, 0.45);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 24px;
}

.page-contact .pc-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-contact .pc-title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 6.6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .pc-lead {
  max-width: 34rem;
  margin: 0 0 28px;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .pc-mailblock {
  position: relative;
  padding: 22px 22px 20px;
  background: linear-gradient(140deg, var(--ink-700), var(--ink-800) 62%, var(--ink-900));
  border: var(--pc-hair);
  border-top: 2px solid var(--lime);
}

.page-contact .pc-mailblock::after {
  content: "可直接选中复制";
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fog);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-contact .pc-mailblock:hover::after,
.page-contact .pc-mailblock:focus-within::after {
  opacity: 1;
}

.page-contact .pc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .pc-mail {
  margin: 10px 0 12px;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(0.98rem, 2.8vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--lime);
  border-bottom: 2px solid var(--pc-lime-line);
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-mail:hover {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

.page-contact .pc-mail:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 8px;
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

.page-contact .pc-mailhint {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .pc-hero-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .pc-hero-aside figcaption {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .pc-aside-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: var(--fog);
}

/* ---------- 通用段落 ---------- */
.page-contact .pc-intro {
  max-width: 62ch;
  margin: 0 0 30px;
  line-height: 1.85;
  color: var(--fog);
}

.page-contact .pc-intro--tail {
  margin-top: 26px;
  margin-bottom: 0;
}

.page-contact .pc-intro a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-lime-line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-intro a:hover,
.page-contact .pc-intro a:focus-visible {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

/* ---------- 01 准备清单 ---------- */
.page-contact .pc-prep {
  display: grid;
  gap: 28px;
}

.page-contact .pc-prep figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .pc-item {
  background: var(--ink-800);
  border: var(--pc-hair);
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .pc-item:hover {
  border-color: var(--line);
  border-left-color: var(--lime);
  transform: translateY(-2px);
}

.page-contact .pc-item[open] {
  background: var(--ink-700);
  border-left-color: var(--lime);
}

.page-contact .pc-item > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
}

.page-contact .pc-item > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .pc-item[open] > summary::after {
  content: "–";
}

.page-contact .pc-item > summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-contact .pc-item-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .pc-item-title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.02rem, 1.6vw, 1.28rem);
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-item-hint {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--blue);
  white-space: nowrap;
}

.page-contact .pc-item-body {
  padding: 0 18px 18px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-item-body p {
  margin: 0 0 10px;
}

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

/* ---------- 02 电话与地址 ---------- */
.page-contact .pc-channel {
  position: relative;
  overflow: hidden;
}

.page-contact .pc-channel > *:not(.pc-route) {
  position: relative;
  z-index: 1;
}

.page-contact .pc-route {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: auto;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

.page-contact .pc-route path {
  fill: none;
  stroke: var(--blue);
  stroke-width: 1;
  stroke-dasharray: 6 10;
  opacity: 0.65;
}

.page-contact .pc-route circle {
  fill: var(--lime);
}

.page-contact .pc-cards {
  display: grid;
  gap: 20px;
}

.page-contact .pc-card {
  padding: 22px;
  border: var(--pc-hair);
  border-top: 2px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-card:hover {
  transform: translateY(-2px);
  border-color: var(--line);
  border-top-color: var(--lime);
}

.page-contact .pc-value {
  margin: 14px 0 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.12rem, 2.6vw, 1.55rem);
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-value--addr {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(0.98rem, 1.9vw, 1.18rem);
  line-height: 1.55;
  letter-spacing: 0;
}

.page-contact .pc-note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 03 纠错与合作 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: 26px;
}

.page-contact .pc-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .pc-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .pc-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .pc-bullets li strong {
  color: var(--paper);
  font-weight: 500;
}

.page-contact .pc-side {
  padding: 22px;
  border: var(--pc-hair);
  border-left: 3px solid var(--orange);
  background: linear-gradient(160deg, var(--ink-700), var(--ink-800));
}

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

.page-contact .pc-bullets--orange li::before {
  background: var(--orange);
}

.page-contact .pc-side-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 04 自助入口 ---------- */
.page-contact .pc-links {
  display: grid;
  gap: 14px;
}

.page-contact .pc-link {
  display: block;
  padding: 20px;
  background: var(--ink-800);
  border: var(--pc-hair);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .pc-link strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.16rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-link span {
  display: block;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .pc-link:hover,
.page-contact .pc-link:focus-visible {
  transform: translateY(-2px);
  background: var(--ink-700);
  border-color: var(--lime);
  outline: none;
}

.page-contact .pc-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .pc-link:hover strong,
.page-contact .pc-link:focus-visible strong {
  color: var(--lime);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  padding-block: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(76, 201, 255, 0.09), rgba(7, 26, 21, 0) 62%);
}

.page-contact .pc-cta p {
  margin: 0;
  max-width: 48ch;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .pc-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-contact .pc-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .pc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
    gap: 60px;
    padding-top: 56px;
    padding-bottom: 36px;
  }

  .page-contact .pc-hero-aside {
    padding-top: 12px;
  }

  .page-contact .pc-prep {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .pc-cards {
    gap: 32px;
  }

  .page-contact .pc-card {
    padding: 26px;
  }

  .page-contact .pc-cta {
    margin-top: 56px;
    padding-block: 42px;
  }
}

@media (max-width: 559px) {
  .page-contact .pc-item > summary {
    gap: 10px;
    padding: 15px 14px;
  }

  .page-contact .pc-item-hint {
    display: none;
  }

  .page-contact .pc-item-body {
    padding: 0 14px 16px;
  }

  .page-contact .pc-mailblock::after {
    display: none;
  }
}
<<<END>>>