.page-contact {
  --pc-hair: 1px solid var(--line);
  --pc-hair-strong: 1px solid var(--line-strong);
  --pc-gap-lg: clamp(2.5rem, 6vw, 4.5rem);
  --pc-pad: clamp(1.15rem, 3vw, 1.75rem);
  background: var(--ivory);
  color: var(--ink);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏框景 ---------- */
.page-contact .pc-hero {
  padding: clamp(1.75rem, 4.5vw, 3.25rem) 0 clamp(2rem, 5vw, 3.5rem);
  background: var(--ivory);
}

.page-contact .pc-frame {
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--ivory);
}

.page-contact .pc-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0.9rem 0 0;
  max-width: 20ch;
  color: var(--ink);
}

.page-contact .pc-lede {
  margin: 1.25rem 0 0;
  max-width: 42ch;
  font-family: var(--sans);
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--brown);
}

.page-contact .pc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.5rem;
  margin: 1.75rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: var(--pc-hair);
}

.page-contact .pc-jump a {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  color: var(--brown);
  text-decoration: none;
  padding-bottom: 0.16rem;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .pc-jump a:hover,
.page-contact .pc-jump a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ---------- 左右档案式版面 ---------- */
.page-contact .pc-desk {
  padding: var(--pc-gap-lg) 0;
  background: var(--paper);
  border-top: var(--pc-hair);
  border-bottom: var(--pc-hair);
}

.page-contact .pc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3.25rem);
  align-items: start;
}

/* ---------- 左侧铭牌 ---------- */
.page-contact .pc-plate {
  position: relative;
  border: var(--pc-hair-strong);
  background: var(--ivory);
  padding: var(--pc-pad);
}

.page-contact .pc-plate::before,
.page-contact .pc-plate::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.page-contact .pc-plate::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .pc-plate::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .pc-plate__list {
  margin: 0.6rem 0 0;
}

.page-contact .pc-plate__row {
  padding: 1rem 0;
  border-top: var(--pc-hair);
}

.page-contact .pc-plate__row:first-child {
  border-top: 0;
}

.page-contact .pc-plate__k {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.45rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--brown);
}

.page-contact .pc-plate__no {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  color: var(--bamboo);
  border: 1px solid var(--bamboo);
  padding: 0.05rem 0.3rem;
  line-height: 1.5;
}

.page-contact .pc-plate__v {
  margin: 0;
}

.page-contact .pc-plate__a {
  display: inline-block;
  font-family: var(--mono);
  font-size: clamp(0.78rem, 1.6vw, 0.9rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  padding-bottom: 0.12rem;
  border-bottom: 1px solid var(--line-strong);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .pc-plate__a:hover,
.page-contact .pc-plate__a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-contact .pc-plate__addr {
  font-family: var(--sans);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .pc-plate__note {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .pc-side .pc-fig {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
}

.page-contact .pc-fig .media__frame {
  border: var(--pc-hair);
  background: var(--ivory);
}

.page-contact .pc-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-fig .media__cap {
  margin-top: 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 右侧条目流 ---------- */
.page-contact .pc-flow {
  min-width: 0;
}

.page-contact .pc-block {
  padding-top: clamp(1.25rem, 3vw, 2rem);
  border-top: var(--pc-hair-strong);
}

.page-contact .pc-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-block + .pc-block {
  margin-top: clamp(2rem, 4.5vw, 3.25rem);
}

.page-contact .pc-block__head {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.page-contact .pc-block__no {
  flex: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
  padding: 0.16rem 0.42rem;
  color: var(--bamboo);
  border: 1px solid var(--bamboo);
  background: var(--bamboo-soft);
}

.page-contact .pc-block__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 2.6vw, 1.65rem);
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .pc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-hair);
}

.page-contact .pc-list__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0 0.7rem;
  padding: 0.78rem 0;
  border-bottom: var(--pc-hair);
  transition: background-color 160ms var(--ease);
}

.page-contact .pc-list__item:hover {
  background: var(--bamboo-soft);
}

.page-contact .pc-list__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--bamboo);
}

.page-contact .pc-list__text {
  font-family: var(--sans);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--brown);
}

.page-contact .pc-list__text strong {
  font-weight: 600;
  color: var(--ink);
}

.page-contact .pc-list__text .link {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
  padding-bottom: 0.05rem;
}

.page-contact .pc-list__text .link:hover,
.page-contact .pc-list__text .link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 折叠面板 ---------- */
.page-contact .pc-fold {
  margin-top: 1.25rem;
  border: var(--pc-hair);
  background: var(--ivory);
}

.page-contact .pc-fold .fold__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  padding: 0.85rem 1rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--ink);
  list-style: none;
}

.page-contact .pc-fold .fold__summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-fold .fold__summary::after {
  content: "＋";
  font-family: var(--mono);
  color: var(--cinnabar);
}

.page-contact .pc-fold[open] .fold__summary::after {
  content: "－";
}

.page-contact .pc-fold .fold__body {
  padding: 0.9rem 1rem 1.1rem;
  border-top: var(--pc-hair);
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.88;
  color: var(--brown);
}

.page-contact .pc-fold .fold__body p {
  margin: 0;
}

.page-contact .pc-fold .fold__body .link {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}

/* ---------- 墨绿通栏 ---------- */
.page-contact .pc-band {
  padding: var(--pc-gap-lg) 0;
  background: var(--deepgreen);
  color: var(--ivory);
}

.page-contact .pc-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-contact .pc-band__eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .pc-band__title {
  margin: 0.7rem 0 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.3rem, 3.2vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--ivory);
}

.page-contact .pc-band__text {
  margin: 0.9rem 0 0;
  max-width: 34em;
  font-family: var(--sans);
  font-size: 0.92rem;
  line-height: 1.88;
  color: rgba(246, 241, 228, 0.78);
}

.page-contact .pc-band__fig {
  margin: 0;
}

.page-contact .pc-band__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-light);
}

.page-contact .pc-band__cap {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(246, 241, 228, 0.56);
}

/* ---------- 备案收口 ---------- */
.page-contact .pc-filing {
  padding: var(--pc-gap-lg) 0;
  background: var(--ivory);
}

.page-contact .pc-filing__bar {
  border: var(--pc-hair-strong);
  border-left: 3px solid var(--gold);
  background: var(--paper);
  padding: var(--pc-pad);
}

.page-contact .pc-filing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1rem 0 0;
}

.page-contact .pc-filing__cell {
  min-width: 0;
}

.page-contact .pc-filing__k {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  color: var(--mist);
}

.page-contact .pc-filing__v {
  margin: 0.35rem 0 0;
  font-family: var(--mono);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .pc-filing__nav {
  margin: 1.4rem 0 0;
  max-width: 46em;
  font-family: var(--sans);
  font-size: 0.9rem;
  line-height: 1.95;
  color: var(--brown);
}

.page-contact .pc-filing__nav a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
  padding-bottom: 0.05rem;
  transition: color 160ms var(--ease);
}

.page-contact .pc-filing__nav a:hover,
.page-contact .pc-filing__nav a:focus-visible {
  color: var(--cinnabar);
}

/* ---------- 断点 ---------- */
@media (min-width: 641px) {
  .page-contact .pc-filing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 961px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .pc-side {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .page-contact .pc-band__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (max-width: 960px) {
  .page-contact .pc-list__item {
    grid-template-columns: 1.9rem minmax(0, 1fr);
    gap: 0 0.55rem;
  }

  .page-contact .pc-plate__list {
    margin-top: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-jump a,
  .page-contact .pc-plate__a,
  .page-contact .pc-list__item,
  .page-contact .pc-filing__nav a {
    transition: none;
  }
}