.page-contact {
  --c-dash: rgba(198, 163, 74, .55);
  --c-hair: rgba(34, 51, 58, .08);
  padding-bottom: 64px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 20px;
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-contact .contact-h1 {
  margin: 10px 0 14px;
  font-size: clamp(28px, 6.2vw, 46px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: .03em;
  color: var(--fg);
}

.page-contact .contact-lead {
  max-width: 34em;
  color: var(--fg-muted);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-cards {
  position: relative;
  margin-top: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}

.page-contact .contact-texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .14;
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-cell {
  position: relative;
  z-index: 1;
  padding: 20px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .contact-cell--mail {
  border-top: 0;
}

.page-contact .contact-cell--mail::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft), rgba(232, 216, 166, 0));
}

.page-contact .contact-label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--accent-ink);
  font-weight: 700;
}

.page-contact .contact-value {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  overflow-wrap: anywhere;
  line-height: 1.5;
}

.page-contact .contact-addr {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
  color: var(--fg);
  overflow-wrap: anywhere;
}

.page-contact .contact-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ---------- 侧栏 ---------- */
.page-contact .contact-hero-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .status-card {
  border: 1px solid var(--border);
  background: var(--ink);
  color: var(--paper);
  padding: 18px 18px 16px;
}

.page-contact .status-top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(79, 209, 177, .18);
  border-radius: 50%;
}

.page-contact .status-title {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  font-weight: 700;
  color: var(--gold-soft);
}

.page-contact .status-time {
  margin: 12px 0 4px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #FFFDF7;
}

.page-contact .status-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 241, 230, .72);
}

.page-contact .status-meta {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(232, 216, 166, .24);
  display: grid;
  gap: 8px;
}

.page-contact .status-meta li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 241, 230, .78);
}

.page-contact .status-meta strong {
  font-weight: 600;
  font-size: 13px;
  color: var(--gold-soft);
  white-space: nowrap;
}

.page-contact .side-figure {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface-2);
  overflow: hidden;
}

.page-contact .side-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-contact .side-figure .media-caption {
  display: block;
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
}

/* ---------- 四步流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .flow-details {
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .flow-details[open] {
  border-color: var(--gold);
}

.page-contact .flow-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 16px 14px;
}

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

.page-contact .flow-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  background: var(--surface);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .flow-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1 1 auto;
}

.page-contact .flow-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--fg);
}

.page-contact .flow-sub {
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.page-contact .flow-caret {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 10px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-contact .flow-details[open] .flow-caret {
  transform: rotate(-135deg);
}

.page-contact .flow-body {
  padding: 0 16px 16px 64px;
}

.page-contact .flow-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-contact .flow-time {
  padding-top: 10px;
  border-top: 1px dashed var(--c-dash);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--accent-ink);
  font-variant-numeric: tabular-nums;
}

/* ---------- 单列窄幅区 ---------- */
.page-contact .contact-narrow {
  max-width: 720px;
  margin-inline: auto;
}

.page-contact .archive-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .archive-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.page-contact .archive-step:first-child {
  border-top: 1px solid var(--border);
}

.page-contact .archive-index {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-2);
  color: var(--gold-soft);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .archive-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg);
}

.page-contact .archive-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-contact .archive-note a,
.page-contact .section-head a,
.page-contact .precheck-more a {
  color: var(--accent-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 内容合作 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.page-contact .coop-item {
  background: var(--surface);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 18px;
}

.page-contact .coop-index {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid var(--gold);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.5;
}

.page-contact .coop-body {
  min-width: 0;
}

.page-contact .coop-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--fg);
}

.page-contact .coop-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-contact .coop-need {
  margin-top: 28px;
  padding: 22px 18px;
  background: var(--ink);
  color: var(--paper);
  border-left: 3px solid var(--gold);
}

.page-contact .coop-need-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--gold-soft);
}

.page-contact .coop-need-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop-need-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 230, .82);
}

.page-contact .coop-need-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-contact .coop-contact {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(232, 216, 166, .24);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 241, 230, .82);
}

.page-contact .coop-contact .mono {
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}

/* ---------- 提交前 ---------- */
.page-contact .contact-precheck .qa {
  margin-top: 24px;
}

.page-contact .precheck-more {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-cards {
    grid-template-columns: 5fr 3fr 4fr;
  }

  .page-contact .contact-cell {
    border-top: 0;
    border-left: 1px solid var(--border);
    padding: 24px 20px;
  }

  .page-contact .contact-cell--mail {
    border-left: 0;
  }

  .page-contact .contact-cell--mail::after {
    left: 0;
    right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    position: relative;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    left: 6%;
    right: 6%;
    top: 33px;
    height: 1px;
    background-image: linear-gradient(90deg, var(--c-dash) 0 8px, rgba(0, 0, 0, 0) 8px 16px);
    background-size: 16px 1px;
    background-repeat: repeat-x;
    z-index: 0;
  }

  .page-contact .flow-step {
    position: relative;
    z-index: 1;
  }

  .page-contact .flow-summary {
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 16px 18px;
  }

  .page-contact .flow-caret {
    position: absolute;
    top: 20px;
    right: 16px;
    margin-top: 0;
  }

  .page-contact .flow-body {
    padding: 0 16px 16px;
  }

  .page-contact .flow-details {
    height: 100%;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1fr) 296px;
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-hero-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero {
    padding-top: 32px;
  }

  .page-contact .contact-cards {
    margin-top: 36px;
  }

  .page-contact .coop-item {
    padding: 24px 22px;
  }

  .page-contact .coop-need {
    padding: 26px 24px;
  }
}
<<<END>>>