.page-contact {
  --pc-line: rgba(143, 163, 184, 0.24);
  --pc-line-cyan: rgba(53, 242, 208, 0.32);
  --pc-line-paper: rgba(26, 23, 20, 0.14);
  --pc-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.8);
  background:
    radial-gradient(120% 70% at 6% 0%, rgba(53, 242, 208, 0.09), transparent 62%),
    radial-gradient(90% 60% at 96% 12%, rgba(255, 106, 43, 0.08), transparent 60%),
    var(--ink-900);
  color: var(--steel-bright);
  padding: clamp(20px, 3vw, 36px) 0 clamp(52px, 7vw, 96px);
  font-family: var(--font-body);
}

.page-contact a:focus-visible,
.page-contact [data-spy-link]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-contact .crumbs a {
  color: var(--steel-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .crumbs a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-opening {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
}

.page-contact .pc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 7px 14px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel-bright);
}

.page-contact .pc-kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(88, 214, 141, 0.18);
}

.page-contact .pc-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper-hi);
}

.page-contact .pc-title-mark {
  color: var(--cyan);
  display: inline-block;
  border-bottom: 4px solid var(--orange);
  padding-bottom: 2px;
}

.page-contact .pc-lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--steel-bright);
}

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

.page-contact .pc-quicklist li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--steel-bright);
}

.page-contact .pc-quick-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-contact .pc-opening-media {
  margin: 0;
}

.page-contact .pc-opening-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-panel);
  border: 1px solid var(--pc-line);
}

.page-contact .pc-opening-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通讯台：左轨道 + 右堆叠 ---------- */
.page-contact .pc-console {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(30px, 4vw, 52px);
}

.page-contact .pc-rail-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  background: var(--ink-800);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-panel);
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-rail-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .pc-rail-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .pc-rail-time {
  margin: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(23px, 3vw, 29px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .pc-rail-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact .pc-scale {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 18px 0 20px;
}

.page-contact .pc-scale-tick {
  position: relative;
  padding-top: 12px;
  border-top: 2px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--steel);
}

.page-contact .pc-scale-tick::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 2px;
  height: 7px;
  background: currentColor;
}

.page-contact .pc-scale-tick--on {
  color: var(--cyan);
  border-top-color: var(--line-cyan);
}

.page-contact .pc-rail-list {
  margin: 0 0 20px;
  display: grid;
  gap: 14px;
}

.page-contact .pc-rail-list dt {
  margin-bottom: 4px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-contact .pc-rail-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--paper-hi);
  word-break: break-word;
}

.page-contact .pc-rail-nav {
  display: grid;
  gap: 2px;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-rail-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 10px 10px 0;
  font-size: 14px;
  color: var(--steel-bright);
  text-decoration: none;
  transition: background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .pc-rail-nav a::before {
  content: "›";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-contact .pc-rail-nav a:hover {
  background: rgba(53, 242, 208, 0.08);
  border-left-color: var(--cyan);
}

.page-contact .pc-rail-nav a[aria-current="true"] {
  color: var(--cyan);
  background: rgba(53, 242, 208, 0.07);
  border-left-color: var(--cyan);
}

/* ---------- 面板通用 ---------- */
.page-contact .pc-stack {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  min-width: 0;
}

.page-contact .pc-panel {
  padding: clamp(22px, 3.2vw, 40px);
  border-radius: var(--radius-panel);
  border: 1px solid transparent;
}

.page-contact .pc-panel--paper {
  background: var(--paper);
  border-color: var(--pc-line-paper);
  color: var(--ink-body);
}

.page-contact .pc-panel--hi {
  background: var(--paper-hi);
  border-color: var(--pc-line-paper);
  color: var(--ink-body);
}

.page-contact .pc-panel--dark {
  background:
    linear-gradient(150deg, rgba(53, 242, 208, 0.08), transparent 58%),
    var(--ink-800);
  border-color: var(--pc-line);
  color: var(--steel-bright);
}

.page-contact .pc-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-contact .pc-eyebrow::before {
  content: "";
  flex: none;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--orange);
}

.page-contact .pc-panel--paper .pc-eyebrow,
.page-contact .pc-panel--hi .pc-eyebrow {
  color: var(--ink-body-soft);
}

.page-contact .pc-panel h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3vw, 33px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-contact .pc-panel--paper h2,
.page-contact .pc-panel--hi h2 {
  color: var(--ink-body);
}

.page-contact .pc-panel--dark h2 {
  color: var(--paper-hi);
}

.page-contact .pc-body {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-body-soft);
}

.page-contact .pc-panel--dark .pc-body {
  color: var(--steel-bright);
}

.page-contact .pc-body--tight {
  margin: 20px 0 0;
}

/* ---------- 问题类型 ---------- */
.page-contact .pc-type-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-type {
  padding: 18px 18px 16px;
  background: var(--paper-hi);
  border: 1px solid var(--pc-line-paper);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius-soft);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .pc-type:nth-child(2) {
  border-left-color: var(--orange);
}

.page-contact .pc-type:nth-child(3) {
  border-left-color: var(--green);
}

.page-contact .pc-type:nth-child(4) {
  border-left-color: var(--steel);
}

.page-contact .pc-type:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 32px -24px rgba(26, 23, 20, 0.6);
}

.page-contact .pc-type-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-body);
  background: rgba(143, 163, 184, 0.28);
}

.page-contact .pc-type-tag--cyan {
  background: rgba(53, 242, 208, 0.42);
}

.page-contact .pc-type-tag--orange {
  background: rgba(255, 106, 43, 0.24);
  color: var(--alert);
}

.page-contact .pc-type-tag--green {
  background: rgba(88, 214, 141, 0.34);
}

.page-contact .pc-type h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.3;
  color: var(--ink-body);
}

.page-contact .pc-type p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-body-soft);
}

.page-contact .pc-type .pc-type-prep {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--pc-line-paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--ink-body-soft);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-channel-list {
  display: grid;
  margin-bottom: 18px;
}

.page-contact .pc-channel {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--pc-line-paper);
}

.page-contact .pc-channel:first-child {
  padding-top: 4px;
  border-top: 0;
}

.page-contact .pc-channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--alert);
}

.page-contact .pc-channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.9vw, 18px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-body);
  word-break: break-word;
}

.page-contact .pc-channel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body-soft);
}

.page-contact .pc-priority {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-left: 3px solid var(--orange);
  border-radius: 0 10px 10px 0;
  background: rgba(255, 106, 43, 0.1);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-body);
}

.page-contact .pc-links {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-body-soft);
}

.page-contact .pc-links a {
  color: var(--ink-body);
  text-decoration: none;
  border-bottom: 2px solid rgba(200, 65, 26, 0.38);
}

.page-contact .pc-links a:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 合作共建 ---------- */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.page-contact .pc-coop-card {
  padding: 18px;
  background: rgba(10, 20, 36, 0.55);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-soft);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .pc-coop-card:hover,
.page-contact .pc-coop-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--pc-line-cyan);
  background: rgba(16, 31, 51, 0.92);
}

.page-contact .pc-coop-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--paper-hi);
}

.page-contact .pc-coop-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-bright);
}

.page-contact .pc-coop-card .pc-coop-meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .pc-coop-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-step {
  padding: 18px 16px 16px;
  background: rgba(26, 23, 20, 0.04);
  border: 1px solid var(--pc-line-paper);
  border-radius: var(--radius-soft);
}

.page-contact .pc-step-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--alert);
}

.page-contact .pc-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 20px);
  color: var(--ink-body);
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-body-soft);
}

.page-contact .pc-process-media {
  margin: 24px 0 0;
}

.page-contact .pc-process-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--radius-soft);
  border: 1px solid var(--pc-line-paper);
}

.page-contact .pc-process-media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-body-soft);
}

/* ---------- 收尾行动区 ---------- */
.page-contact .pc-cta {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(135deg, rgba(53, 242, 208, 0.12), rgba(255, 106, 43, 0.12)),
    var(--ink-800);
}

.page-contact .pc-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-bright);
}

.page-contact .pc-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-cta-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .pc-cta-actions .btn--signal {
  background: var(--orange);
  border: 1px solid var(--orange);
  color: var(--ink-900);
}

.page-contact .pc-cta-actions .btn--ghost {
  background: transparent;
  border: 1px solid var(--pc-line);
  color: var(--paper-hi);
}

.page-contact .pc-cta-actions .btn:hover {
  transform: translateY(-2px);
}

.page-contact .pc-cta-actions .btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-type-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channel {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .page-contact .pc-channel-label {
    grid-row: 1 / span 2;
    padding-top: 3px;
  }
}

@media (min-width: 820px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .pc-opening {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .pc-coop {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-console {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}
<<<END>>>