.page-contact {
  --contact-paper-soft: rgba(26, 23, 18, 0.66);
  --contact-edge: var(--vt-grid);
  color: var(--vt-text);
  background: var(--vt-base);
  padding-bottom: clamp(56px, 10vw, 128px);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .contact-top {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 16px;
  max-width: 900px;
  margin: clamp(28px, 6vw, 64px) 0 0;
  padding: 0 0 clamp(8px, 2vw, 18px) clamp(16px, 3vw, 30px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 10px;
  left: 0;
  width: 6px;
  background-image: repeating-linear-gradient(
    180deg,
    var(--vt-strong) 0 1px,
    transparent 1px 15px
  );
}

.page-contact .contact-kicker {
  margin: 0;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--vt-confirmed);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--vt-font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 章节通用头部 ---------- */
.page-contact .contact-sec {
  padding-top: var(--vt-gap-chapter);
}

.page-contact .contact-head {
  position: relative;
  display: grid;
  gap: 12px;
  max-width: 780px;
  padding-top: 22px;
  margin-bottom: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--contact-edge);
}

.page-contact .contact-head::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 68px;
  height: 1px;
  background: var(--vt-confirmed);
}

.page-contact .contact-head--warn::before {
  background: var(--vt-pending);
}

.page-contact .contact-head__num {
  margin: 0;
  font-family: var(--vt-font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--vt-muted);
}

.page-contact .contact-head__title {
  margin: 0;
  font-family: var(--vt-font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.5vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-contact .contact-head__lede {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 01 公示联络信息 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 14px;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 148px;
  padding: clamp(22px, 3.4vw, 30px);
  background: var(--vt-paper);
  color: var(--vt-paper-ink);
  border: 1px solid var(--vt-strong);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--contact-paper-soft);
  border-right: 1px solid var(--contact-paper-soft);
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--contact-paper-soft);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--vt-font-mono);
  font-weight: 700;
  font-size: clamp(14px, 2.3vw, 16px);
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .contact-card__note {
  margin: auto 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-paper-soft);
}

/* ---------- 横向宽带图 ---------- */
.page-contact .contact-bandsec {
  padding-top: var(--vt-gap-chapter);
}

.page-contact .contact-map {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .contact-map__frame {
  overflow: hidden;
  border: 1px solid var(--vt-grid);
  background: var(--vt-raised);
}

.page-contact .contact-map__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-map__cap {
  font-family: var(--vt-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--vt-muted);
}

/* ---------- 02 合作方向 ---------- */
.page-contact .contact-tracks {
  display: grid;
}

.page-contact .contact-track {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 36px) 0;
  border-top: 1px solid var(--contact-edge);
}

.page-contact .contact-track:last-child {
  border-bottom: 1px solid var(--contact-edge);
}

.page-contact .contact-track__idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  border: 1px solid var(--vt-strong);
  font-family: var(--vt-font-mono);
  font-size: 13px;
  color: var(--vt-confirmed);
}

.page-contact .contact-track__title {
  margin: 0 0 8px;
  font-family: var(--vt-font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.8vw, 22px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .contact-track__desc {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--vt-muted);
}

.page-contact .contact-track__aside {
  padding-left: clamp(14px, 2.4vw, 22px);
  border-left: 1px solid var(--vt-grid);
}

.page-contact .contact-track__preplabel {
  margin: 0 0 12px;
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--vt-pending);
}

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

.page-contact .contact-track__prep li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--vt-text);
}

.page-contact .contact-track__prep li::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-top: 9px;
  background: var(--vt-confirmed-dim);
}

/* ---------- 03 材料清单 ---------- */
.page-contact .contact-materials {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-contact .contact-mat {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--contact-edge);
}

.page-contact .contact-mat:last-child {
  border-bottom: 1px solid var(--contact-edge);
}

.page-contact .contact-mat__idx {
  margin: 0;
  padding-top: 2px;
  font-family: var(--vt-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--vt-confirmed);
}

.page-contact .contact-mat__key {
  margin: 0 0 6px;
  font-family: var(--vt-font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--vt-text);
}

.page-contact .contact-mat__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--vt-muted);
}

.page-contact .contact-spec {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-contact .contact-spec__frame {
  overflow: hidden;
  border: 1px solid var(--vt-strong);
  background: var(--vt-raised);
}

.page-contact .contact-spec__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-spec__cap {
  font-family: var(--vt-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--vt-muted);
}

/* ---------- 04 处理节点 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: 14px;
}

.page-contact .contact-step {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(22px, 3.4vw, 30px);
  background: var(--vt-raised);
  border: 1px solid var(--vt-grid);
}

.page-contact .contact-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 2px;
  background: var(--vt-muted);
}

.page-contact .contact-step--pending::before {
  background: var(--vt-pending);
}

.page-contact .contact-step--confirmed::before {
  background: var(--vt-confirmed);
}

.page-contact .contact-step__state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--vt-muted);
}

.page-contact .contact-step--pending .contact-step__state {
  color: var(--vt-pending);
}

.page-contact .contact-step--confirmed .contact-step__state {
  color: var(--vt-confirmed);
}

.page-contact .contact-step__title {
  margin: 0;
  font-family: var(--vt-font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .contact-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--vt-muted);
}

/* ---------- 05 本地服务 ---------- */
.page-contact .contact-local {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-contact .contact-prose p {
  margin: 0 0 16px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--vt-text);
}

.page-contact .contact-cta {
  margin-top: 12px;
  display: inline-block;
}

.page-contact .contact-local__side {
  padding-top: 20px;
  border-top: 1px solid var(--contact-edge);
}

.page-contact .contact-local__sidelabel {
  margin: 0 0 16px;
  font-family: var(--vt-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--vt-muted);
}

.page-contact .contact-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-cats li {
  padding: 7px 12px;
  border: 1px solid var(--vt-grid);
  font-family: var(--vt-font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--vt-muted);
}

/* ---------- 06 边界面板 ---------- */
.page-contact .contact-boundary {
  display: grid;
  gap: 28px;
  padding: clamp(26px, 5vw, 52px);
  background: var(--vt-paper);
  color: var(--vt-paper-ink);
}

.page-contact .contact-boundary__title {
  margin: 0 0 18px;
  font-family: var(--vt-font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.4vw, 20px);
  letter-spacing: -0.01em;
}

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

.page-contact .contact-refuse li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .contact-refuse li::before {
  content: "×";
  font-family: var(--vt-font-mono);
  font-size: 14px;
  line-height: 1.78;
  color: var(--contact-paper-soft);
}

.page-contact .contact-refuse--alt li::before {
  content: "→";
  color: var(--vt-confirmed-dim);
}

/* ---------- 07 继续查阅 ---------- */
.page-contact .contact-index {
  border-top: 1px solid var(--contact-edge);
}

.page-contact .contact-index__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 4px;
  border-bottom: 1px solid var(--contact-edge);
  text-decoration: none;
  color: var(--vt-text);
  transition: color 160ms ease;
}

.page-contact .contact-index__body {
  display: grid;
  gap: 5px;
}

.page-contact .contact-index__name {
  font-family: var(--vt-font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .contact-index__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--vt-muted);
}

.page-contact .contact-index__arrow {
  font-family: var(--vt-font-mono);
  font-size: 15px;
  color: var(--vt-confirmed);
}

.page-contact .contact-index__link:hover .contact-index__name,
.page-contact .contact-index__link:focus-visible .contact-index__name {
  color: var(--vt-confirmed);
}

.page-contact .contact-index__link:focus-visible {
  outline: 1px solid var(--vt-confirmed);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .contact-track {
    grid-template-columns: 56px minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(22px, 3.6vw, 46px);
    align-items: start;
  }

  .page-contact .contact-boundary {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-materials {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-local {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-local__side {
    padding-top: 0;
    padding-left: clamp(24px, 3vw, 42px);
    border-top: 0;
    border-left: 1px solid var(--contact-edge);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-map__frame {
    max-height: 520px;
  }

  .page-contact .contact-map__img {
    height: 520px;
    object-fit: cover;
  }
}