.page-contact {
  --pc-line: rgba(28, 74, 61, .55);
  --pc-glass: rgba(185, 255, 241, .07);
  --pc-peak: rgba(255, 107, 46, .8);
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 64px;
}

.page-contact .crumbs {
  padding-top: 18px;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page-contact .crumbs a {
  color: var(--teal);
  text-decoration: none;
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
}

/* 首屏 */
.page-contact .pc-hero {
  padding-top: 14px;
  padding-bottom: 8px;
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-contact .pc-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 7.6vw, 54px);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .pc-hero .lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pc-quick {
  list-style: none;
  margin: 24px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--pc-line);
  display: grid;
  gap: 10px;
}

.page-contact .pc-quick li {
  display: grid;
  gap: 2px;
}

.page-contact .pc-quick span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .pc-quick b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .pc-board {
  border: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, rgba(185, 255, 241, .1), rgba(2, 8, 6, .6));
  position: relative;
}

.page-contact .pc-board-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--pc-line);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .pc-lamp {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 200, .18);
  flex: none;
}

.page-contact .pc-board-head .status-mono {
  margin-left: auto;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-contact .pc-shot {
  display: block;
  overflow: hidden;
}

.page-contact .pc-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-board-foot {
  display: grid;
  gap: 8px;
  padding: 14px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-board-row {
  margin: 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-contact .pc-board-row b {
  color: var(--cyan);
  font-weight: 500;
  white-space: nowrap;
}

/* 目录索引 */
.page-contact .pc-index {
  margin-top: 24px;
  border: 1px solid var(--glass-edge);
  background: var(--pc-glass);
  padding: 8px;
}

.page-contact .pc-index ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .pc-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid transparent;
}

.page-contact .pc-index a:hover,
.page-contact .pc-index a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .pc-index .mono {
  color: var(--teal);
  font-size: 11px;
  letter-spacing: .1em;
}

/* 章节 */
.page-contact .pc-sec {
  padding-top: 40px;
}

.page-contact .pc-sec--line {
  margin-top: 40px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-sec-head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.page-contact .pc-sec-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.12;
  margin: 0;
  color: var(--paper);
}

.page-contact .pc-sec-head p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* 渠道卡 */
.page-contact .pc-cards {
  display: grid;
  gap: 14px;
}

.page-contact .pc-card {
  border: 1px solid var(--pc-line);
  background: var(--panel);
  padding: 18px;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .pc-card--accent {
  border-color: rgba(0, 240, 200, .45);
  background: linear-gradient(160deg, rgba(0, 240, 200, .1), rgba(11, 42, 34, .96) 55%);
}

.page-contact .pc-card-no {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--teal);
}

.page-contact .pc-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .pc-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
  word-break: break-all;
  border-left: 2px solid var(--cyan);
  padding-left: 10px;
  line-height: 1.5;
}

.page-contact .pc-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

/* 时间刻度 */
.page-contact .pc-hours-grid {
  display: grid;
  gap: 22px;
}

.page-contact .pc-scale {
  border: 1px solid var(--pc-line);
  background: rgba(11, 42, 34, .9);
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-scale-bar {
  position: relative;
  height: 14px;
  background: linear-gradient(90deg, rgba(28, 74, 61, .9), rgba(0, 240, 200, .38));
  border: 1px solid var(--pc-line);
}

.page-contact .pc-peak {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 6%;
  width: 24%;
  background: var(--pc-peak);
}

.page-contact .pc-scale-labels {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.page-contact .pc-scale-labels span {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .pc-scale-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
  border-top: 1px solid var(--pc-line);
  padding-top: 12px;
}

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

.page-contact .pc-hours-list li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px solid var(--pc-line);
}

.page-contact .pc-hours-list b {
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .pc-hours-list span {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* 渠道切换 */
.page-contact .pc-tabs {
  display: grid;
  gap: 14px;
}

.page-contact .pc-tabs .tab-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  scrollbar-width: thin;
}

.page-contact .pc-tabs .tab-btn {
  flex: none;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--pc-line);
  color: var(--mist);
  cursor: pointer;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-contact .pc-tabs .tab-btn:hover,
.page-contact .pc-tabs .tab-btn:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .pc-tabs .tab-btn[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04140f;
  font-weight: 700;
}

.page-contact .pc-panel {
  border: 1px solid var(--pc-line);
  background: var(--panel);
  padding: 18px;
  display: grid;
  gap: 14px;
}

.page-contact .pc-panel[hidden] {
  display: none;
}

.page-contact .pc-row {
  display: grid;
  gap: 4px;
}

.page-contact .pc-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .pc-row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* 纠错与合作 */
.page-contact .pc-callout {
  display: grid;
  gap: 14px;
}

/* 地址 */
.page-contact .pc-address-grid {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-contact .pc-address-copy {
  display: grid;
  gap: 12px;
}

.page-contact .pc-address-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 34px);
  margin: 0;
  color: var(--paper);
}

.page-contact .pc-address-copy > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .pc-addr {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--paper);
  background: var(--panel);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--cyan);
  padding: 14px 16px;
}

.page-contact .pc-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-link {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* 隐私条 */
.page-contact .pc-privacy {
  border: 1px solid var(--glass-edge);
  background: var(--pc-glass);
  padding: 20px;
  display: grid;
  gap: 16px;
}

.page-contact .pc-privacy h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 30px);
  margin: 0 0 10px;
  color: var(--paper);
}

.page-contact .pc-privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .pc-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .pc-hero .lede {
    font-size: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact {
    padding-bottom: 88px;
  }

  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
  }

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

  .page-contact .pc-hours-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 34px;
  }

  .page-contact .pc-address-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1fr);
    gap: 34px;
  }

  .page-contact .pc-privacy {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 26px;
  }

  .page-contact .pc-sec {
    padding-top: 56px;
  }

  .page-contact .pc-sec--line {
    margin-top: 56px;
  }

  .page-contact .pc-index a {
    font-size: 14px;
    padding: 9px 14px;
  }

  .page-contact .pc-panel {
    padding: 24px;
    gap: 16px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tabs .tab-btn {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>