.page-contact {
  --pc-gap: clamp(1.25rem, 3vw, 2.25rem);
  --pc-radius: 22px;
  --pc-dark-line: rgba(244, 239, 230, 0.16);
}

.page-contact .crumbs {
  padding-top: clamp(0.9rem, 2vw, 1.4rem);
  font-size: 0.8rem;
}
.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .crumbs a:hover {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 80%);
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(1rem, 2.5vw, 1.75rem) 0 clamp(2rem, 5vw, 3.5rem);
}
.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}
.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--copper);
}
.page-contact .pc-eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--copper);
}
.page-contact .pc-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 6vw, 2.9rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-contact .pc-lead {
  margin: 1rem 0 0;
  max-width: 36em;
  font-size: clamp(0.97rem, 2.4vw, 1.05rem);
  line-height: 1.8;
  color: var(--text-soft);
}
.page-contact .pc-quickmeta {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.page-contact .pc-quickmeta li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.45);
}
.page-contact .pc-quickmeta .mono {
  color: var(--ink);
  font-size: 0.78rem;
}
.page-contact .pc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.page-contact .pc-hero__aside {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}
.page-contact .pc-channel {
  position: relative;
  overflow: hidden;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  padding: clamp(1.1rem, 3vw, 1.7rem) clamp(1.1rem, 3vw, 1.7rem) clamp(1.1rem, 3vw, 1.7rem) clamp(1.35rem, 3.4vw, 1.95rem);
  box-shadow: var(--shadow-card);
}
.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--copper), var(--amber));
}
.page-contact .pc-channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.55rem;
}
.page-contact .pc-channel__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-contact .pc-channel__rows {
  margin-top: 0.9rem;
}
.page-contact .pc-channel__row {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--line-soft);
}
.page-contact .pc-channel__row:last-child {
  border-bottom: 0;
}
.page-contact .pc-channel__key {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.page-contact .pc-channel__val {
  font-family: var(--font-mono);
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .pc-channel__val--text {
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.page-contact .pc-channel__fit {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-soft);
}
.page-contact .pc-channel__fit li {
  position: relative;
  padding-left: 1rem;
}
.page-contact .pc-channel__fit li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--slate);
}
.page-contact .pc-channel__note {
  margin: 0.9rem 0 0;
  font-size: 0.77rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .figure-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节轨道 ---------- */
.page-contact .pc-toc {
  background: var(--paper-shade);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .pc-toc__inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.75rem 0;
  -webkit-overflow-scrolling: touch;
}
.page-contact .pc-toc__link {
  flex: 0 0 auto;
  padding: 0.42rem 0.9rem;
  border-radius: var(--pill);
  border: 1px solid rgba(14, 59, 50, 0.16);
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-soft);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .pc-toc__link:hover {
  border-color: var(--copper);
  color: var(--ink);
  transform: translateY(-2px);
}
.page-contact .pc-toc__link[aria-current="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- 通用分区 ---------- */
.page-contact .pc-section {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
}
.page-contact .pc-section--tint {
  background: var(--paper-shade);
}
.page-contact .pc-flow .section-head__title,
.page-contact .pc-where .section-head__title {
  color: var(--paper);
}
.page-contact .pc-flow .section-head__note,
.page-contact .pc-where .section-head__note {
  color: rgba(244, 239, 230, 0.72);
}
.page-contact .pc-flow .section-head__num,
.page-contact .pc-where .section-head__num {
  color: var(--amber);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: 1.6rem;
}
.page-contact .pc-prep__media {
  margin: 0;
}
.page-contact .pc-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}
.page-contact .pc-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.95rem 1.05rem;
  background: var(--paper-warm);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .pc-check__item:hover {
  transform: translateY(-3px);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}
.page-contact .pc-check__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper);
  border: 1px solid rgba(184, 115, 51, 0.35);
  border-radius: var(--pill);
  padding: 0.14rem 0.5rem;
  height: fit-content;
}
.page-contact .pc-check__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
}
.page-contact .pc-check__text {
  margin: 0.3rem 0 0;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-flow {
  background: var(--ink);
  color: var(--paper);
}
.page-contact .pc-flow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.7rem;
}
.page-contact .pc-step {
  background: rgba(244, 239, 230, 0.06);
  border: 1px solid var(--pc-dark-line);
  border-radius: var(--radius-lg);
  padding: 0.95rem 1.05rem;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .pc-step[open] {
  background: rgba(244, 239, 230, 0.11);
  border-color: rgba(184, 115, 51, 0.55);
}
.page-contact .pc-step > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.7rem;
  cursor: pointer;
  list-style: none;
}
.page-contact .pc-step > summary::-webkit-details-marker {
  display: none;
}
.page-contact .pc-step > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--amber);
}
.page-contact .pc-step[open] > summary::after {
  content: "–";
}
.page-contact .pc-step__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}
.page-contact .pc-step__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .pc-step__body {
  margin: 0.7rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, 0.78);
}

/* ---------- 回复安排 ---------- */
.page-contact .pc-reply__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: 1.6rem;
}
.page-contact .pc-reply__card {
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-top: 4px solid var(--slate);
  border-radius: var(--pc-radius);
  padding: clamp(1.05rem, 3vw, 1.5rem);
  box-shadow: var(--shadow-card);
}
.page-contact .pc-reply__card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.page-contact .pc-reply__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.62rem;
  font-size: 0.89rem;
  line-height: 1.72;
  color: var(--text-soft);
}
.page-contact .pc-reply__card li {
  position: relative;
  padding-left: 1.05rem;
}
.page-contact .pc-reply__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--copper);
}

/* ---------- 常见咨询表 ---------- */
.page-contact .pc-types .table-wrap {
  margin-top: 1.5rem;
}
.page-contact .pc-types .data-table a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--copper);
  text-underline-offset: 3px;
}
.page-contact .pc-types .data-table a:hover {
  color: var(--copper);
}

/* ---------- 地址与备案 ---------- */
.page-contact .pc-where {
  background: var(--ink-deep);
  color: var(--paper);
  padding: clamp(2.1rem, 5vw, 3.4rem) 0 clamp(1.6rem, 3vw, 2.2rem);
}
.page-contact .pc-where__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.35rem;
  margin-top: 1.6rem;
}
.page-contact .pc-where__key {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: rgba(244, 239, 230, 0.6);
}
.page-contact .pc-where__val {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}
.page-contact .pc-where__val--text {
  font-family: var(--font-body);
  font-size: 0.96rem;
}
.page-contact .pc-where__note {
  margin: 1.5rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.7);
}
.page-contact .pc-where__legal {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(244, 239, 230, 0.18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.2rem;
  font-size: 0.78rem;
  color: rgba(244, 239, 230, 0.68);
}
.page-contact .pc-where__legal .mono {
  letter-spacing: 0.06em;
}
.page-contact .pc-where__legal a {
  color: rgba(244, 239, 230, 0.82);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-contact .pc-where__legal a:hover {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-channel__row {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.75rem;
  }
}

@media (min-width: 720px) {
  .page-contact .pc-flow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-reply__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-where__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }
  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-contact .pc-flow__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-toc__link,
  .page-contact .pc-check__item {
    transition: none;
  }
  .page-contact .pc-toc__link:hover,
  .page-contact .pc-check__item:hover {
    transform: none;
  }
}
<<<END>>>