.page-contact {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 28px;
  padding-bottom: 4px;
}
.page-contact .breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.page-contact .breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--rule-strong);
}
.page-contact .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-contact .breadcrumbs__link:hover {
  color: var(--brick);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 24px 0 0;
}
.page-contact .contact-hero__inner {
  display: grid;
  gap: 28px;
}
.page-contact .contact-hero__lead .eyebrow {
  margin-bottom: 14px;
}
.page-contact .contact-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  margin: 0 0 20px;
  color: var(--ink);
}
.page-contact .contact-hero__lead .lede {
  max-width: 60ch;
  margin: 0;
}
.page-contact .contact-hero__media {
  margin: 0;
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 四张咨询色块 ---------- */
.page-contact .channel-strip {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}
.page-contact .channel-tile {
  position: relative;
  background: var(--sand);
  border: 1px solid var(--rule-strong);
  transition: background-color .26s var(--ease), color .26s var(--ease), border-color .26s var(--ease);
}
.page-contact .channel-tile--deep {
  background: var(--forest);
  color: var(--on-dark);
  border-color: var(--forest);
}
.page-contact .channel-tile__link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 26px;
  text-decoration: none;
  color: inherit;
  min-height: 152px;
}
.page-contact .channel-tile__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--brick);
}
.page-contact .channel-tile--deep .channel-tile__num {
  color: var(--amber);
}
.page-contact .channel-tile__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
}
.page-contact .channel-tile__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  margin-top: auto;
}
.page-contact .channel-tile--deep .channel-tile__desc {
  color: var(--on-dark-soft);
}
.page-contact .channel-tile:hover,
.page-contact .channel-tile:focus-within {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--on-dark);
}
.page-contact .channel-tile:hover .channel-tile__desc,
.page-contact .channel-tile:focus-within .channel-tile__desc {
  color: var(--on-dark-soft);
}
.page-contact .channel-tile:hover .channel-tile__num,
.page-contact .channel-tile:focus-within .channel-tile__num {
  color: var(--amber);
}
.page-contact .channel-tile--deep:hover,
.page-contact .channel-tile--deep:focus-within {
  background: var(--sand);
  border-color: var(--rule-strong);
  color: var(--ink);
}
.page-contact .channel-tile--deep:hover .channel-tile__desc,
.page-contact .channel-tile--deep:focus-within .channel-tile__desc {
  color: var(--muted);
}
.page-contact .channel-tile--deep:hover .channel-tile__num,
.page-contact .channel-tile--deep:focus-within .channel-tile__num {
  color: var(--brick);
}
.page-contact .channel-tile__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -3px;
}

/* ---------- 联系方式一览 ---------- */
.page-contact .desk {
  padding: 72px 0 0;
}
.page-contact .desk__head .eyebrow {
  margin-bottom: 12px;
}
.page-contact .desk__head .section-title {
  max-width: 22ch;
  margin: 0 0 34px;
}
.page-contact .desk__body {
  display: grid;
  gap: 34px;
}
.page-contact .desk-list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule-strong);
}
.page-contact .desk-item {
  display: grid;
  gap: 6px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--rule);
}
.page-contact .desk-item__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-contact .desk-item__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .desk-item__value--mono {
  font-family: var(--font-data);
  font-weight: 500;
  letter-spacing: .02em;
}
.page-contact .desk-item__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .desk__aside {
  border-left: 2px solid var(--amber);
  padding-left: 18px;
}

/* ---------- 需求分流 ---------- */
.page-contact .routing {
  padding: 72px 0 0;
}
.page-contact .routing .eyebrow {
  margin-bottom: 12px;
}
.page-contact .routing .section-title {
  margin: 0 0 14px;
}
.page-contact .routing .lede {
  margin: 0 0 34px;
}
.page-contact .routing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}
.page-contact .route-card {
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--forest);
  padding: 24px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-margin-top: 140px;
}
.page-contact .route-card--correction { border-top-color: var(--brick); }
.page-contact .route-card--collection { border-top-color: var(--forest); }
.page-contact .route-card--season { border-top-color: var(--amber); }
.page-contact .route-card--media { border-top-color: var(--moss); }
.page-contact .route-card__index {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-contact .route-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
}
.page-contact .route-card__channel {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--sand);
  padding: 8px 12px;
}
.page-contact .route-card__channel span {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-contact .route-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}
.page-contact .route-card .text-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
}

/* ---------- 准备材料 ---------- */
.page-contact .prep {
  padding: 72px 0 0;
}
.page-contact .prep .eyebrow {
  margin-bottom: 12px;
}
.page-contact .prep .section-title {
  margin: 0 0 14px;
}
.page-contact .prep .lede {
  margin: 0 0 26px;
}
.page-contact .prep__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}
.page-contact .filter-tab {
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule-strong);
  padding: 8px 16px;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .filter-tab:hover {
  border-color: var(--amber);
  color: var(--brick);
}
.page-contact .filter-tab[aria-pressed="true"],
.page-contact .filter-tab.is-active {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--on-dark);
}
.page-contact .filter-tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.page-contact .prep-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.page-contact .prep-item__mark {
  grid-row: 1 / 3;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--brick);
  padding-top: 3px;
}
.page-contact .prep-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
}
.page-contact .prep-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  padding: 72px 0 0;
}
.page-contact .flow .eyebrow {
  margin-bottom: 12px;
}
.page-contact .flow .section-title {
  margin: 0 0 32px;
}
.page-contact .flow__track {
  display: none;
}
.page-contact .flow__track svg {
  display: block;
  width: 100%;
  height: 24px;
}
.page-contact .flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: flow;
}
.page-contact .flow-step {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--rule);
}
.page-contact .flow-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--amber);
  border-radius: 50%;
}
.page-contact .flow-step--end::before {
  background: var(--brick);
}
.page-contact .flow-step__num {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 6px;
}
.page-contact .flow-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
}
.page-contact .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 46ch;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner {
  padding: 72px 0 0;
}
.page-contact .partner__head .eyebrow {
  margin-bottom: 12px;
}
.page-contact .partner__head .section-title {
  margin: 0 0 30px;
}
.page-contact .partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}
.page-contact .partner-card {
  background: var(--sand);
  border: 1px solid var(--rule);
  padding: 24px 22px 26px;
}
.page-contact .partner-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--forest);
}
.page-contact .partner-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}
.page-contact .partner__note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 2px solid var(--brick);
  padding-left: 16px;
  max-width: 68ch;
}

/* ---------- 到访与备案（深色收束） ---------- */
.page-contact .visit {
  margin-top: 76px;
  background: var(--forest);
  border-top: 2px solid var(--brick);
  color: var(--on-dark);
  padding: 58px 0 64px;
}
.page-contact .visit__inner {
  display: grid;
  gap: 34px;
}
.page-contact .visit .eyebrow {
  color: var(--amber);
  margin-bottom: 14px;
}
.page-contact .visit__title {
  color: var(--on-dark);
  margin: 0 0 18px;
}
.page-contact .visit__lead {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-dark);
  max-width: 58ch;
}
.page-contact .visit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-light);
}
.page-contact .visit__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-light);
}
.page-contact .visit__label {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--amber);
  text-transform: uppercase;
}
.page-contact .visit__value {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--on-dark);
}
.page-contact .visit__value--mono {
  font-family: var(--font-data);
  letter-spacing: .04em;
}
.page-contact .visit__fine {
  margin: 24px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--on-dark-soft);
}
.page-contact .visit__fine .text-link {
  color: var(--amber);
}
.page-contact .visit__media {
  margin: 0;
}
.page-contact .visit__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-contact .visit__media .media-frame__caption {
  color: var(--on-dark-soft);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .desk-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }
  .page-contact .prep-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 36px;
  }
  .page-contact .partner__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .routing__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .visit__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-top: 40px;
  }
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 64px;
    align-items: center;
  }
  .page-contact .channel-strip {
    grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
    margin-top: 48px;
  }
  .page-contact .channel-tile__link {
    padding: 28px 24px 30px;
    min-height: 190px;
  }
  .page-contact .desk {
    padding-top: 104px;
  }
  .page-contact .desk__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 56px;
    align-items: start;
  }
  .page-contact .desk__aside {
    position: sticky;
    top: 132px;
  }
  .page-contact .routing {
    padding-top: 104px;
  }
  .page-contact .prep {
    padding-top: 104px;
  }
  .page-contact .flow {
    padding-top: 104px;
  }
  .page-contact .flow__track {
    display: block;
    margin-bottom: 30px;
  }
  .page-contact .flow__steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
  .page-contact .flow-step {
    padding: 30px 22px 0 0;
    border-left: none;
    border-top: 1px solid var(--rule);
  }
  .page-contact .flow-step:last-child {
    border-top-color: var(--rule);
    padding-bottom: 0;
  }
  .page-contact .flow-step::before {
    top: -5px;
    left: 0;
    width: 9px;
    height: 9px;
  }
  .page-contact .flow-step__text {
    max-width: 32ch;
  }
  .page-contact .partner {
    padding-top: 104px;
  }
  .page-contact .visit {
    margin-top: 110px;
    padding: 76px 0 88px;
  }
  .page-contact .visit__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-tile,
  .page-contact .breadcrumbs__link,
  .page-contact .filter-tab {
    transition: none;
  }
}