.page-contact {
  --ct-line: rgba(30, 42, 58, 0.16);
  --ct-gap: clamp(1.75rem, 4vw, 3.25rem);
  --ct-shell: var(--tb-maxw);
}

.page-contact .tb-breadcrumb {
  padding: 1.25rem 0 0;
}

.page-contact ::selection {
  background: rgba(58, 157, 138, 0.3);
}

/* ---------- 首屏：左窄右宽 ---------- */
.page-contact .ct-hero {
  padding-top: 1.5rem;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-hero__aside {
  background: linear-gradient(166deg, var(--tb-paper-deep), var(--tb-paper) 64%);
  border: 1px solid var(--tb-sand);
  border-left: 3px solid var(--tb-copper);
  padding: 1.35rem 1.2rem 1.5rem;
}

.page-contact .ct-aside__title {
  margin: 0.4rem 0 0.9rem;
  font-family: var(--tb-font-head);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--tb-ink);
}

.page-contact .ct-aside__glyph {
  display: block;
  width: 100%;
  max-width: 190px;
  height: auto;
  color: var(--tb-copper);
  margin: 0 0 1.1rem;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .ct-checklist__item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.65rem;
}

.page-contact .ct-checklist__idx {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--tb-gold);
  padding-top: 0.2rem;
}

.page-contact .ct-checklist__t {
  margin: 0 0 0.2rem;
  font-family: var(--tb-font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--tb-ink);
}

.page-contact .ct-checklist__d {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--tb-graphite);
}

.page-contact .ct-anchors {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--tb-sand);
  display: grid;
  gap: 0.1rem;
}

.page-contact .ct-anchors a {
  display: block;
  padding: 0.45rem 0.55rem;
  font-size: 0.875rem;
  color: var(--tb-ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.page-contact .ct-anchors a:hover,
.page-contact .ct-anchors a:focus-visible {
  border-left-color: var(--tb-copper-lit);
  background: rgba(58, 157, 138, 0.1);
  color: var(--tb-copper);
  outline: none;
}

.page-contact .ct-anchors a:focus-visible {
  outline: 2px solid var(--tb-copper-lit);
  outline-offset: 1px;
}

.page-contact .ct-hero__code {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--tb-gold);
}

.page-contact .ct-hero__main h1 {
  margin: 0 0 1rem;
  font-family: var(--tb-font-head);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--tb-ink);
}

.page-contact .ct-hero__lead {
  max-width: 46rem;
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--tb-graphite);
}

.page-contact .ct-factlist {
  margin: 0;
  border-top: 2px solid var(--tb-ink);
}

.page-contact .ct-fact {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--ct-line);
}

.page-contact .ct-fact dt {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--tb-copper);
}

.page-contact .ct-fact dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.9rem;
}

.page-contact .ct-fact__val {
  font-family: var(--tb-font-mono);
  font-size: 1.0625rem;
  color: var(--tb-ink);
  word-break: break-word;
}

.page-contact .ct-fact__note {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--tb-graphite);
}

.page-contact .ct-hero__media {
  margin: 2.25rem 0 0;
  padding: 0.5rem;
  background: var(--tb-paper-deep);
  border: 1px solid var(--tb-sand);
}

.page-contact .ct-hero__media img,
.page-contact .ct-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  padding: clamp(2.75rem, 6vw, 4.5rem) 0 0;
}

.page-contact .ct-section--last {
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

.page-contact .ct-section__head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
}

.page-contact .ct-section__head h2 {
  margin: 0;
  font-family: var(--tb-font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.8vw, 2.3rem);
  line-height: 1.2;
  color: var(--tb-ink);
}

.page-contact .ct-section__lead {
  max-width: 48rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--tb-graphite);
}

/* ---------- 表格 ---------- */
.page-contact .ct-table__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 0.7rem;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--tb-graphite);
}

.page-contact .ct-table th[scope="row"] {
  font-family: var(--tb-font-head);
  font-weight: 600;
  color: var(--tb-ink);
  white-space: nowrap;
}

.page-contact .ct-table .tb-num {
  word-break: break-word;
}

.page-contact .ct-afternote {
  margin-top: 1.1rem;
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ---------- 边界说明折页 ---------- */
.page-contact .ct-notes {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-note-card {
  background: var(--tb-paper);
  border: 1px solid var(--tb-sand);
  border-top: 3px solid var(--tb-copper);
  padding: 1.2rem 1.1rem 1.35rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .ct-note-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 22px rgba(30, 42, 58, 0.09);
}

.page-contact .ct-note-card--flag {
  border-top-color: var(--tb-cinnabar);
}

.page-contact .ct-note-card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--tb-font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--tb-ink);
}

.page-contact .ct-note-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--tb-graphite);
}

/* ---------- 材料准备 ---------- */
.page-contact .ct-prepare {
  display: grid;
  gap: 1.6rem;
}

.page-contact .ct-code {
  position: relative;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0;
  padding: 0.6rem 0.85rem;
  background: var(--tb-paper-deep);
  border: 1px solid var(--tb-gold);
  font-family: var(--tb-font-mono);
  font-size: 0.875rem;
  color: var(--tb-ink);
  cursor: help;
}

.page-contact .ct-code__label {
  font-family: var(--tb-font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--tb-copper);
}

.page-contact .ct-code:focus-visible {
  outline: 2px solid var(--tb-copper-lit);
  outline-offset: 2px;
}

.page-contact .ct-code__bubble {
  position: absolute;
  left: 0;
  top: calc(100% + 0.5rem);
  z-index: 3;
  width: min(20rem, 78vw);
  padding: 0.7rem 0.85rem;
  background: var(--tb-ink);
  color: var(--tb-paper);
  font-family: var(--tb-font-body);
  font-size: 0.8125rem;
  line-height: 1.7;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.3rem);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.page-contact .ct-code:hover .ct-code__bubble,
.page-contact .ct-code:focus .ct-code__bubble,
.page-contact .ct-code:focus-within .ct-code__bubble {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-contact .ct-req {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .ct-req li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--tb-graphite);
}

.page-contact .ct-req li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.62rem;
  height: 0.62rem;
  border: 1.5px solid var(--tb-copper);
}

.page-contact .ct-shot {
  margin: 0;
  padding: 0.45rem;
  background: var(--tb-paper-deep);
  border: 1px solid var(--tb-sand);
}

/* ---------- 投递与到访 ---------- */
.page-contact .ct-visit {
  display: grid;
  gap: 1rem;
}

.page-contact .ct-visit__block {
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--tb-paper-deep);
  border-left: 3px solid var(--tb-gold);
}

.page-contact .ct-visit__block h3 {
  margin: 0 0 0.5rem;
  font-family: var(--tb-font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--tb-ink);
}

.page-contact .ct-visit__block p {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--tb-graphite);
}

.page-contact .ct-visit__block p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-visit__addr {
  font-size: 1rem;
  color: var(--tb-ink);
  word-break: break-word;
}

/* ---------- 备案与版本 ---------- */
.page-contact .ct-record {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: linear-gradient(200deg, var(--tb-paper-deep), var(--tb-paper) 70%);
  border: 1px solid var(--tb-sand);
}

.page-contact .ct-record__main h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--tb-font-head);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--tb-ink);
}

.page-contact .ct-record__main p {
  max-width: 46rem;
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--tb-graphite);
}

.page-contact .ct-record__main a {
  color: var(--tb-copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-record__main a:hover,
.page-contact .ct-record__main a:focus-visible {
  color: var(--tb-copper-lit);
  outline: 2px solid var(--tb-copper-lit);
  outline-offset: 2px;
}

.page-contact .ct-record__seal {
  align-self: start;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--tb-cinnabar);
  background: rgba(193, 71, 59, 0.06);
}

.page-contact .ct-record__seal-label {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--tb-cinnabar);
}

.page-contact .ct-record__seal-no {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--tb-ink);
  word-break: break-word;
}

.page-contact .ct-record__seal-note {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--tb-graphite);
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-more {
  display: grid;
  gap: 1.25rem;
  border-top: 2px solid var(--tb-ink);
  padding-top: 1.6rem;
}

.page-contact .ct-more__intro h2 {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--tb-font-head);
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  font-weight: 700;
  color: var(--tb-ink);
}

.page-contact .ct-more__intro p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--tb-graphite);
}

.page-contact .ct-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-contact .ct-more__list a {
  display: block;
  padding: 0.7rem 0.8rem;
  font-size: 0.9375rem;
  color: var(--tb-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--tb-sand);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-contact .ct-more__list a:hover,
.page-contact .ct-more__list a:focus-visible {
  background: rgba(47, 107, 94, 0.09);
  color: var(--tb-copper);
  outline: 2px solid var(--tb-copper-lit);
  outline-offset: -2px;
}

.page-contact .ct-more__btn {
  justify-self: start;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-fact {
    grid-template-columns: 9rem 1fr;
    align-items: baseline;
    gap: 1.25rem;
  }

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

  .page-contact .ct-visit__block:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(232px, 0.68fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .page-contact .ct-hero__aside {
    position: sticky;
    top: calc(var(--tb-mast-h) + 1.25rem);
  }

  .page-contact .ct-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-prepare {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .ct-record {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-more {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .ct-more__intro {
    grid-row: span 2;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-visit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-visit__block:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-note-card,
  .page-contact .ct-code__bubble,
  .page-contact .ct-anchors a,
  .page-contact .ct-more__list a {
    transition: none;
  }

  .page-contact .ct-note-card:hover {
    transform: none;
  }
}