.page-contact {
  --pc-flow-indent: clamp(38px, 5vw, 62px);
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-contact .section--tight {
  padding: clamp(28px, 4.2vw, 56px) 0;
}

.page-contact .section .lede,
.page-contact .section-head .lede {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--c-blue-dark);
  color: #fff;
  padding: calc(var(--header-h) + clamp(22px, 4vw, 44px)) 0 clamp(44px, 6.5vw, 88px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(0, 42, 87, 0) 0%, rgba(0, 42, 87, 0.92) 100%),
    linear-gradient(118deg, var(--c-blue) 0%, var(--c-blue-deep) 46%, var(--c-blue-dark) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 0 100%);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -32%;
  right: 5%;
  width: clamp(84px, 11vw, 152px);
  height: 176%;
  transform: rotate(19deg);
  background:
    repeating-linear-gradient(116deg, rgba(255, 102, 0, 0.22) 0 9px, rgba(255, 102, 0, 0) 9px 21px),
    linear-gradient(180deg, rgba(255, 102, 0, 0.34) 0%, rgba(255, 144, 64, 0.04) 100%);
  pointer-events: none;
}

.page-contact .pc-crumb {
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-contact .pc-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.09em;
  color: rgba(199, 208, 217, 0.78);
}

.page-contact .pc-crumb li + li::before {
  content: "/";
  margin: 0 9px;
  color: rgba(199, 208, 217, 0.42);
}

.page-contact .pc-crumb a {
  color: rgba(245, 248, 251, 0.88);
  text-decoration: none;
}

.page-contact .pc-crumb a:hover {
  color: var(--c-orange-soft);
}

.page-contact .pc-crumb [aria-current="page"] {
  color: var(--c-orange-soft);
}

.page-contact .pc-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}

.page-contact .pc-hero .eyebrow {
  color: var(--c-orange-soft);
  margin: 0 0 14px;
}

.page-contact .pc-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 17em;
}

.page-contact .pc-hero .lede {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 54ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: rgba(245, 248, 251, 0.82);
}

.page-contact .pc-hero .btn-row {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .pc-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line-invert);
  background: var(--line-invert);
}

.page-contact .pc-hero-stats > div {
  background: rgba(0, 42, 87, 0.74);
  padding: clamp(14px, 1.8vw, 22px);
}

.page-contact .pc-stat-label {
  display: block;
  margin: 0;
  font-size: var(--fs-tag);
  letter-spacing: 0.09em;
  color: rgba(199, 208, 217, 0.86);
}

.page-contact .pc-stat-num {
  display: block;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.01em;
}

.page-contact .pc-stat-num em {
  font-style: normal;
  font-size: 0.56em;
  color: var(--c-orange);
  margin-left: 2px;
}

/* ---------- 网点检索 ---------- */

.page-contact .pc-search-media {
  margin: clamp(22px, 3.2vw, 36px) 0 0;
}

.page-contact .pc-search-media img,
.page-contact .pc-split-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--c-mist);
}

.page-contact .pc-search-media img {
  aspect-ratio: 16 / 9;
}

.page-contact .pc-search-media .media-cap,
.page-contact .pc-split-media .media-cap {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-contact .pc-filters {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .pc-filter-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact .pc-filter-label {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.12em;
  color: var(--c-graphite);
  margin-right: 4px;
}

.page-contact .pc-results {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .pc-node {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(16px, 2vw, 22px);
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .pc-node:hover {
  border-color: var(--c-blue);
  box-shadow: inset 0 0 0 1px var(--c-blue);
}

.page-contact .pc-node-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-node-title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin: 0;
  font-size: var(--fs-lead);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.page-contact .pc-node-title::before {
  content: "";
  flex: none;
  width: 15px;
  height: 3px;
  background: var(--c-orange);
  transform: translateY(-4px);
}

.page-contact .pc-badge {
  flex: none;
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
  white-space: nowrap;
  border: 1px solid currentColor;
}

.page-contact .pc-badge--stock {
  color: var(--c-blue);
}

.page-contact .pc-badge--order {
  color: var(--c-graphite);
  border-color: var(--line);
}

.page-contact .pc-badge--book {
  color: var(--c-ink);
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-contact .pc-node-meta {
  display: grid;
  gap: 9px;
  margin: 0;
}

.page-contact .pc-node-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  font-size: var(--fs-note);
  line-height: 1.65;
}

.page-contact .pc-node-row dt {
  color: var(--c-graphite);
  letter-spacing: 0.04em;
}

.page-contact .pc-node-row dd {
  margin: 0;
  color: var(--c-ink);
}

.page-contact .pc-legend {
  margin-top: clamp(24px, 3.2vw, 38px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-legend h3 {
  margin: 0;
  font-size: var(--fs-title);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.page-contact .pc-legend ul {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-legend li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .pc-legend li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 1px;
  background: var(--c-orange);
}

.page-contact .pc-legend strong {
  color: var(--c-ink);
}

/* ---------- 库存状态 ---------- */

.page-contact .pc-state-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .pc-state {
  padding: clamp(18px, 2.2vw, 26px);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--c-blue);
}

.page-contact .pc-state:nth-child(2) {
  border-top-color: var(--c-blue-deep);
}

.page-contact .pc-state:nth-child(3) {
  border-top-color: var(--c-orange);
}

.page-contact .pc-state-key {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.14em;
  color: var(--c-graphite);
}

.page-contact .pc-state-title {
  margin: 0 0 10px;
  font-size: var(--fs-title);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.page-contact .pc-state p:last-child {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-graphite);
}

/* ---------- 合作方式 ---------- */

.page-contact .pc-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

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

.page-contact .pc-split-media img {
  aspect-ratio: 14 / 9;
}

.page-contact .pc-split-body .lede {
  margin: clamp(12px, 1.6vw, 18px) 0 0;
}

.page-contact .pc-coop-list {
  display: grid;
  margin-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
}

.page-contact .pc-coop {
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-coop h3 {
  margin: 0 0 7px;
  font-size: var(--fs-lead);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .pc-coop-for {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--c-blue);
}

.page-contact .pc-coop p:last-child {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-graphite);
}

/* ---------- 对接流程 ---------- */

.page-contact .pc-flow {
  margin-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-flow .panel-item {
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease;
}

.page-contact .pc-flow .panel-item[data-open] {
  background: linear-gradient(90deg, rgba(0, 102, 204, 0.06) 0%, rgba(0, 102, 204, 0) 62%);
}

.page-contact .pc-flow .panel-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 1.8vw, 22px);
  width: 100%;
  padding: clamp(15px, 1.9vw, 21px) 0;
  background: transparent;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .pc-flow .panel-index {
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-graphite);
  transition: color 0.2s ease;
}

.page-contact .pc-flow .panel-item[data-open] .panel-index {
  color: var(--c-orange);
}

.page-contact .pc-flow .panel-title {
  font-size: var(--fs-lead);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.page-contact .pc-flow .panel-trigger:hover .panel-title {
  color: var(--c-blue);
}

.page-contact .pc-flow .panel-sign {
  flex: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--line-strong);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-contact .pc-flow .panel-item[data-open] .panel-sign {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-contact .pc-flow .panel-item:not([data-open]) .panel-body {
  display: none;
}

.page-contact .pc-flow .panel-item[data-open] .panel-body {
  display: block;
}

.page-contact .pc-flow .panel-body-inner {
  padding: 0 0 clamp(16px, 2.2vw, 24px) var(--pc-flow-indent);
}

.page-contact .pc-flow .panel-body-inner p {
  margin: 0;
  max-width: 64ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .pc-flow .panel-body-inner ul {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-flow .panel-body-inner li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-contact .pc-flow .panel-body-inner li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-silver);
}

/* ---------- 材料清单 ---------- */

.page-contact .pc-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .pc-check {
  padding: clamp(18px, 2.2vw, 26px);
  background: #fff;
}

.page-contact .pc-check h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-size: var(--fs-body);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-check h3::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--c-blue);
}

.page-contact .pc-check:nth-child(2) h3::before {
  background: var(--c-blue-deep);
}

.page-contact .pc-check:nth-child(3) h3::before {
  background: var(--c-blue-dark);
}

.page-contact .pc-check:nth-child(4) h3::before {
  background: var(--c-orange);
}

.page-contact .pc-check ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-check li {
  position: relative;
  padding-left: 15px;
  font-size: var(--fs-note);
  line-height: 1.72;
  color: var(--c-graphite);
}

.page-contact .pc-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--c-silver);
}

/* ---------- 联系区 ---------- */

.page-contact .pc-contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(30px, 5vw, 66px);
  padding: clamp(42px, 6vw, 84px) 0 clamp(46px, 6.5vw, 92px);
  background: linear-gradient(135deg, var(--c-blue-dark) 0%, var(--c-blue-deep) 100%);
  color: #fff;
}

.page-contact .pc-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(
    90deg,
    rgba(199, 208, 217, 0.09) 0 1px,
    rgba(199, 208, 217, 0) 1px 92px
  );
  pointer-events: none;
}

.page-contact .pc-contact .eyebrow {
  color: var(--c-orange-soft);
  margin: 0 0 12px;
}

.page-contact .pc-contact .section-title {
  color: #fff;
  max-width: 20em;
}

.page-contact .pc-contact .lede {
  margin: clamp(14px, 1.8vw, 20px) 0 0;
  max-width: 52ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: rgba(245, 248, 251, 0.82);
}

.page-contact .pc-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3.8vw, 54px);
  align-items: start;
}

.page-contact .pc-contact-list {
  display: grid;
  gap: 1px;
  margin: clamp(22px, 2.8vw, 32px) 0 0;
  border: 1px solid var(--line-invert);
  background: var(--line-invert);
}

.page-contact .pc-contact-list > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: clamp(10px, 1.6vw, 20px);
  align-items: baseline;
  padding: clamp(14px, 1.8vw, 20px) clamp(14px, 2vw, 22px);
  background: rgba(0, 42, 87, 0.72);
}

.page-contact .pc-contact-list dt {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: 0.12em;
  color: var(--c-orange-soft);
}

.page-contact .pc-contact-list dd {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.72;
  color: #fff;
  word-break: break-word;
}

.page-contact .pc-side {
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line-invert);
}

.page-contact .pc-side h3 {
  margin: 0 0 14px;
  font-size: var(--fs-body);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #fff;
}

.page-contact .pc-side ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-side li {
  border-top: 1px solid var(--line-invert);
}

.page-contact .pc-side li:last-child {
  border-bottom: 1px solid var(--line-invert);
}

.page-contact .pc-side a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  font-size: var(--fs-note);
  line-height: 1.6;
  color: rgba(245, 248, 251, 0.9);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-contact .pc-side a::after {
  content: "\2192";
  flex: none;
  font-family: var(--font-mono);
  color: var(--c-orange);
}

.page-contact .pc-side a:hover {
  color: #fff;
  padding-left: 6px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 520px) {
  .page-contact .pc-contact-list > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .page-contact .pc-node-row {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .pc-flow .panel-trigger {
    gap: 12px;
  }
}

@media (min-width: 680px) {
  .page-contact .pc-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .pc-results {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-state-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-split {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .page-contact .pc-contact-grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-results {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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