.page-contact {
  --pc-row: rgba(18, 42, 74, .55);
  --pc-edge: rgba(47, 240, 208, .38);
  position: relative;
  overflow-x: clip;
}

.page-contact .media {
  background: var(--deep);
  border: 1px solid var(--grid);
  overflow: hidden;
}

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

/* 面包屑 */
.page-contact .crumbs {
  padding: 20px 0 0;
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .04em;
  color: var(--text-dim);
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid);
}

.page-contact .crumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  color: var(--accent);
}

.page-contact .crumbs li[aria-current] {
  color: var(--accent);
}

/* 首屏 */
.page-contact .contact-hero {
  padding: 26px 0 6px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
  align-items: end;
}

.page-contact .contact-hero__copy {
  position: relative;
  padding-top: 6px;
}

.page-contact .contact-hero__copy::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 4px;
  width: 3px;
  height: 72px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(36px, 9vw, 72px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-contact .contact-hero .section-lead {
  margin-top: 16px;
  max-width: 46ch;
}

.page-contact .contact-hero__note {
  margin: 18px 0 0;
  font-size: var(--fs-2);
  color: var(--amber);
  letter-spacing: .02em;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  aspect-ratio: 3 / 2;
}

/* 三条通道 + 信息块 */
.page-contact .contact-console {
  padding: 52px 0 0;
}

.page-contact .contact-console__head .section-lead {
  margin-top: 12px;
  max-width: 54ch;
}

.page-contact .contact-console__grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-contact .path-card {
  display: grid;
  gap: 8px;
  padding: 20px 0 24px;
  border-top: 1px solid var(--grid);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  border-top-color: var(--accent);
}

.page-contact .path-card__idx {
  font-size: var(--fs-1);
  color: var(--amber);
  letter-spacing: .16em;
  padding-top: 6px;
}

.page-contact .path-card__title {
  margin: 0;
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--text);
}

.page-contact .path-card__value {
  margin: 6px 0 0;
  font-size: clamp(14px, 2.6vw, 19px);
  color: var(--accent);
  letter-spacing: .02em;
  word-break: break-word;
}

.page-contact .path-card__text {
  margin: 10px 0 0;
  color: var(--text-dim);
  max-width: 52ch;
}

.page-contact .path-card__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .path-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-2);
  color: var(--text-dim);
}

.page-contact .path-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

.page-contact .path-card__list a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-edge);
}

.page-contact .path-card__list a:hover {
  color: var(--accent);
}

/* 联络台信息块 */
.page-contact .contact-dossier {
  align-self: start;
  padding: 8px 8px 14px;
  background: var(--deep);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
}

.page-contact .contact-dossier__head {
  padding: 14px 14px 8px;
}

.page-contact .contact-dossier__rows {
  display: grid;
}

.page-contact .contact-dossier__row {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
}

.page-contact .contact-dossier__row:nth-child(odd) {
  background: var(--pc-row);
}

.page-contact .contact-dossier__val {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  line-height: 1.55;
  color: var(--text);
  letter-spacing: .02em;
  word-break: break-word;
}

.page-contact .contact-dossier__foot {
  margin: 12px 0 0;
  padding: 0 14px;
  font-size: var(--fs-1);
  line-height: 1.7;
  color: var(--text-dim);
}

/* 优先工单 */
.page-contact .contact-workorder {
  padding: 56px 0 0;
}

.page-contact .workorder-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .workorder-item {
  padding: 2px 16px;
  background: var(--deep);
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .workorder-item[open] {
  border-color: var(--pc-edge);
}

.page-contact .workorder-item__sum {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .workorder-item__sum::-webkit-details-marker,
.page-contact .flow-node__sum::-webkit-details-marker {
  display: none;
}

.page-contact .workorder-item__title {
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text);
}

.page-contact .fold__idx {
  font-size: var(--fs-1);
  letter-spacing: .12em;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease);
}

.page-contact .workorder-item[open] .fold__idx,
.page-contact .flow-node[open] .fold__idx {
  color: var(--accent);
}

.page-contact .workorder-item .fold__body {
  padding: 0 0 18px;
  color: var(--text-dim);
  max-width: 56ch;
}

/* 响应节奏 */
.page-contact .contact-timing {
  padding: 56px 0 0;
}

.page-contact .timing-list {
  margin: 26px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 24px;
  border-left: 1px solid var(--grid);
}

.page-contact .timing-item {
  position: relative;
}

.page-contact .timing-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--track);
  border: 2px solid var(--grid);
}

.page-contact .timing-item--now::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 122, 47, .16);
}

.page-contact .timing-item__k {
  font-size: var(--fs-1);
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .timing-item__t {
  margin: 6px 0 0;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--text);
}

.page-contact .timing-item__d {
  margin: 6px 0 0;
  color: var(--text-dim);
  max-width: 58ch;
}

/* 流程条 */
.page-contact .contact-flow {
  margin: 44px 0 0;
  padding: 22px 18px 20px;
  background: linear-gradient(160deg, var(--track), var(--deep) 62%);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
}

.page-contact .contact-flow__svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 10px 0 4px;
}

.page-contact .contact-flow__nodes {
  display: grid;
  gap: 10px;
}

.page-contact .flow-node {
  border-top: 1px solid var(--grid);
  padding: 2px 0;
}

.page-contact .flow-node__sum {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .flow-node__name {
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--text);
}

.page-contact .flow-node .fold__body {
  padding: 0 0 14px 26px;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .contact-flow__note {
  margin: 16px 0 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-flow__note a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-edge);
}

.page-contact .contact-flow__note a:hover {
  color: var(--accent);
}

/* 合作与投稿 */
.page-contact .contact-coop {
  padding: 56px 0 0;
}

.page-contact .coop-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .coop-card {
  padding: 24px 22px;
  background: linear-gradient(150deg, var(--track), var(--deep) 72%);
  border: 1px solid var(--grid);
  border-radius: var(--r-lg);
}

.page-contact .coop-card--alt {
  background: linear-gradient(150deg, rgba(255, 122, 47, .18), var(--deep) 74%);
}

.page-contact .coop-card__k {
  font-size: var(--fs-1);
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .coop-card__t {
  margin: 12px 0 0;
  font-size: clamp(22px, 4vw, var(--fs-5));
  font-weight: 900;
  line-height: 1.2;
  color: var(--text);
}

.page-contact .coop-card__d {
  margin: 12px 0 0;
  color: var(--text-dim);
}

.page-contact .coop-card__d--last {
  font-size: var(--fs-2);
}

.page-contact .coop-card__d a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--pc-edge);
}

.page-contact .coop-card__d a:hover {
  color: var(--accent);
}

.page-contact .coop-card__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .coop-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-2);
  color: var(--text);
}

.page-contact .coop-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.page-contact .coop-card--alt .coop-card__list li::before {
  background: var(--orange);
}

/* 通信地址 */
.page-contact .contact-address {
  padding: 56px 0 72px;
}

.page-contact .address-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-contact .address-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--pc-row);
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .address-meta {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: var(--fs-2);
  color: var(--text);
}

.page-contact .address-meta .mono {
  display: inline-block;
  min-width: 76px;
  font-size: var(--fs-1);
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-contact .address-media {
  margin: 0;
  border-radius: var(--r-lg);
  aspect-ratio: 9 / 7;
}

/* 桌面栅格与留白 */
@media (min-width: 640px) {
  .page-contact .path-card {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .workorder-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-flow {
    padding: 26px 26px 22px;
  }

  .page-contact .contact-flow__nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 34px 0 10px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 40px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
    gap: 40px;
  }

  .page-contact .contact-console,
  .page-contact .contact-workorder,
  .page-contact .contact-timing,
  .page-contact .contact-coop,
  .page-contact .contact-address {
    padding-top: 72px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-console__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-dossier {
    position: sticky;
    top: 96px;
  }

  .page-contact .path-card {
    padding: 24px 0 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-card,
  .page-contact .workorder-item,
  .page-contact .fold__idx {
    transition: none;
  }
}