.page-contact {
  --ct-rail: 168px;
  --ct-line-soft: rgba(237, 243, 244, 0.08);
}

.page-contact .breadcrumbs {
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 26px;
  padding: clamp(26px, 4vw, 48px) 0 clamp(26px, 3.5vw, 38px);
}

.page-contact .hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper);
  max-width: 18ch;
}

.page-contact .hero-lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .hero-facts {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 22px 24px;
  list-style: none;
  background: rgba(28, 74, 87, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .hero-facts li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .hero-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .fact-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-contact .fact-v {
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .hero-figure {
  margin: 0 0 clamp(10px, 2vw, 22px);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .hero-figure .fig-caption {
  margin-top: 12px;
}

/* ---------- 流水线骨架 ---------- */
.page-contact .flow {
  display: grid;
  gap: 28px;
  padding: 8px 0 clamp(56px, 8vw, 96px);
}

.page-contact .flow-rail {
  display: none;
}

.page-contact .rail-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
}

.page-contact .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-contact .rail-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0 7px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-mute);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .rail-list a:hover {
  color: var(--paper);
  border-left-color: var(--green);
}

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

.page-contact .section {
  padding-bottom: clamp(46px, 6.5vw, 80px);
}

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

.page-contact .section-num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--green);
}

.page-contact h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.3vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 24ch;
}

.page-contact .prose {
  margin: 0 0 26px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

.page-contact .flow-body a {
  color: var(--green);
  text-underline-offset: 3px;
}

/* ---------- 反馈类型 ---------- */
.page-contact .fb-grid {
  display: grid;
  gap: 14px;
}

.page-contact .fb-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-contact .fb-card:hover,
.page-contact .fb-card[open] {
  border-left-color: var(--green);
  background: #113B49;
}

.page-contact .fb-summary {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

.page-contact .fb-summary::-webkit-details-marker {
  display: none;
}

.page-contact .fb-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .fb-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .fb-meta {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-contact .fb-channel {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-contact .fb-body {
  padding: 16px 22px 22px;
  border-top: 1px solid var(--ct-line-soft);
}

.page-contact .fb-body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .fb-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.page-contact .fb-list {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 材料清单 ---------- */
.page-contact .mat-grid {
  align-items: start;
  gap: clamp(24px, 3vw, 44px);
}

.page-contact .mat-figure {
  margin: 0;
}

.page-contact .mat-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .mat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-contact .mat-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 0 16px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .mat-num {
  grid-row: span 2;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-contact .mat-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .mat-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mute);
}

/* ---------- 处理流转 ---------- */
.page-contact .chain {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .chain-node {
  position: relative;
}

.page-contact .chain-details {
  background: rgba(28, 74, 87, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-contact .chain-details:hover {
  transform: translateY(-2px);
  background: rgba(28, 74, 87, 0.78);
  border-color: var(--line-strong);
}

.page-contact .chain-summary {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .chain-summary::-webkit-details-marker {
  display: none;
}

.page-contact .node-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .node-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .node-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.page-contact .node-body {
  padding: 0 18px 18px;
}

.page-contact .node-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .escalate {
  margin: 0;
  padding: 18px 20px;
  border-left: 3px solid var(--amber);
  background: rgba(28, 74, 87, 0.4);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 42em;
}

/* ---------- 处理结果 ---------- */
.page-contact .results {
  display: grid;
  gap: 14px;
}

.page-contact .result {
  padding: 22px 22px 24px;
  background: var(--paper);
  color: var(--text-dark);
  border-radius: var(--radius);
  border-top: 4px solid var(--indigo);
}

.page-contact .result--green {
  border-top-color: var(--green);
}

.page-contact .result--amber {
  border-top-color: var(--amber);
}

.page-contact .result--indigo {
  border-top-color: var(--indigo);
}

.page-contact .result-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo-deep);
}

.page-contact .result h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--text-dark);
}

.page-contact .result p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(13, 31, 38, 0.82);
}

.page-contact .result-out {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(13, 31, 38, 0.14);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--indigo-deep);
}

/* ---------- 站点信息 ---------- */
.page-contact .flow-band {
  height: 3px;
  margin: 0 0 clamp(26px, 4vw, 44px);
  border-radius: 2px;
  background: linear-gradient(
    90deg,
    var(--green) 0%,
    var(--green) 22%,
    var(--amber) 22%,
    var(--amber) 42%,
    var(--indigo) 42%,
    var(--indigo) 64%,
    var(--wine) 64%,
    var(--wine) 100%
  );
}

.page-contact .site-card {
  padding: clamp(24px, 3.4vw, 38px);
  background: var(--paper);
  border-radius: var(--radius);
  color: var(--text-dark);
}

.page-contact .site-card .eyebrow {
  color: var(--wine);
}

.page-contact .site-card h2 {
  color: var(--text-dark);
  margin: 10px 0 22px;
}

.page-contact .site-list {
  display: grid;
  gap: 18px 32px;
  margin: 0 0 20px;
}

.page-contact .site-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(13, 31, 38, 0.14);
}

.page-contact .site-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo-deep);
}

.page-contact .site-list dd {
  margin: 7px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text-dark);
  word-break: break-word;
}

.page-contact .site-note {
  margin: 0 0 14px;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(13, 31, 38, 0.8);
}

.page-contact .site-links {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(13, 31, 38, 0.8);
}

.page-contact .site-links a {
  color: var(--indigo-deep);
  font-weight: 700;
  text-underline-offset: 3px;
}

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

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

@media (min-width: 860px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .chain {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .chain-node:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 30px;
    right: -16px;
    width: 9px;
    height: 9px;
    border-top: 1px solid var(--line-strong);
    border-right: 1px solid var(--line-strong);
    transform: rotate(45deg);
  }

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

@media (min-width: 1040px) {
  .page-contact .flow {
    grid-template-columns: var(--ct-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 64px);
  }

  .page-contact .flow-rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fb-card,
  .page-contact .chain-details,
  .page-contact .rail-list a {
    transition: none;
  }

  .page-contact .chain-details:hover {
    transform: none;
  }
}
</></PAGE_CSS>