.page-contact {
  --contact-card-bg: #FFFDF9;
  --contact-line: var(--rule);
}

.page-contact .contact-crumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 1.5rem 0 2.25rem;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-contact .contact-crumb .wd-breadcrumb__item {
  color: var(--ink-500);
  text-decoration: none;
}

.page-contact .contact-crumb .wd-breadcrumb__item:hover {
  color: var(--amber);
}

.page-contact .contact-crumb__sep {
  color: var(--rule);
}

.page-contact .contact-crumb__now {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  position: relative;
  padding: 2.25rem 1.5rem 2rem;
  border: 1px solid var(--rule);
  background-color: var(--paper-2);
  background-image:
    repeating-linear-gradient(45deg, rgba(27,58,92,.045) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(-45deg, rgba(27,58,92,.045) 0 1px, transparent 1px 22px);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-intro::after {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  border: 1px solid rgba(27,58,92,.14);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-intro__title {
  margin: .75rem 0 1rem;
  max-width: 20ch;
}

.page-contact .contact-intro__lede {
  max-width: 62ch;
  color: var(--text-soft);
}

.page-contact .contact-intro__hints {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
  border-top: 1px dashed var(--rule);
  padding-top: 1.25rem;
  font-size: 14px;
  color: var(--text-soft);
}

.page-contact .contact-intro__hints li {
  display: flex;
  align-items: baseline;
  gap: .7rem;
}

.page-contact .contact-intro__k {
  flex: 0 0 auto;
  min-width: 3.6em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-700);
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: .1rem .45rem;
  text-align: center;
}

/* ---------- 左右分栏 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3.5rem;
}

.page-contact .contact-left__title,
.page-contact .contact-right__title {
  margin-bottom: 1.25rem;
  padding-bottom: .6rem;
  border-bottom: 3px solid var(--ink-900);
}

.page-contact .contact-figure {
  margin-bottom: 2rem;
}

/* ---------- 联系卡片（纸张叠层） ---------- */
.page-contact .contact-card {
  position: relative;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-line);
  box-shadow: var(--shadow-1);
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 10px;
  right: -6px;
  bottom: 6px;
  border: 1px solid rgba(27,58,92,.12);
  z-index: -1;
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--ink-500);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-card--ink {
  background: var(--ink-900);
  border-color: var(--ink-700);
  color: var(--paper);
}

.page-contact .contact-card--ink::before {
  border-color: rgba(224,122,63,.4);
}

.page-contact .contact-card--ink .contact-card__value,
.page-contact .contact-card--ink .contact-card__note {
  color: var(--paper);
}

.page-contact .contact-card--flat {
  box-shadow: none;
  background: transparent;
  border-style: dashed;
}

.page-contact .contact-card--flat::before {
  display: none;
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .85rem;
}

.page-contact .contact-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: .18rem .5rem;
  background: var(--amber);
  color: #fff;
  flex: 0 0 auto;
}

.page-contact .contact-card__tag--teal {
  background: var(--teal);
}

.page-contact .contact-card__title {
  margin: 0;
}

.page-contact .contact-card__value {
  margin: 0 0 .6rem;
  font-size: 1.25rem;
  font-weight: 700;
  word-break: break-all;
  letter-spacing: .01em;
}

.page-contact .contact-card__value--text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
}

.page-contact .contact-card__note {
  margin: 0 0 1.1rem;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .contact-copy {
  cursor: pointer;
  font-size: 14px;
}

.page-contact .contact-copy[data-copied="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.page-contact .contact-tip {
  margin-top: 1.75rem;
}

/* ---------- 响应时间轴 ---------- */
.page-contact .contact-right__lede {
  margin: 0 0 2rem;
  color: var(--text-soft);
  max-width: 58ch;
}

.page-contact .contact-timeline {
  list-style: none;
  margin: 0 0 2.5rem;
  padding: 0 0 0 1.6rem;
  border-left: 1px solid var(--rule);
}

.page-contact .contact-timeline__item {
  position: relative;
  padding: 0 0 2rem 1.4rem;
}

.page-contact .contact-timeline__item:last-child {
  padding-bottom: .5rem;
}

.page-contact .contact-timeline__item:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-contact .contact-timeline__dot {
  position: absolute;
  left: -1.6rem;
  top: .35rem;
  width: 13px;
  height: 13px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--mist);
  border: 1px solid var(--ink-500);
}

.page-contact .contact-timeline__item--now .contact-timeline__dot {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 5px rgba(224,122,63,.18);
}

.page-contact .contact-timeline__meta {
  margin: 0 0 .4rem;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-contact .contact-timeline__item--now .contact-timeline__meta {
  color: var(--amber);
}

.page-contact .contact-timeline__title {
  margin: 0 0 .5rem;
}

.page-contact .contact-timeline__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-timeline__hover {
  margin: .6rem 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-700);
  border-left: 2px solid var(--amber-soft);
  background: rgba(242,201,160,.22);
  padding: .55rem .8rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity var(--slow) var(--ease), max-height var(--slow) var(--ease), padding var(--slow) var(--ease);
}

.page-contact .contact-timeline__item:hover .contact-timeline__hover,
.page-contact .contact-timeline__item:focus-within .contact-timeline__hover,
.page-contact .contact-timeline__item:focus .contact-timeline__hover {
  opacity: 1;
  max-height: 12rem;
}

.page-contact .contact-timeline__item:focus .contact-timeline__hover {
  padding: .55rem .8rem;
}

.page-contact .contact-hours {
  margin-bottom: 2rem;
}

/* ---------- 加急块 ---------- */
.page-contact .contact-rush {
  padding: 1.5rem;
  background: var(--ink-700);
  color: var(--paper);
  border-left: 5px solid var(--amber);
}

.page-contact .contact-rush__title {
  margin: 0 0 .75rem;
  color: var(--paper);
}

.page-contact .contact-rush__text {
  margin: 0 0 1rem;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247,243,236,.86);
}

.page-contact .contact-rush__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-contact .contact-rush__list li {
  font-size: 13px;
  color: var(--amber-soft);
}

.page-contact .contact-rush__list code {
  color: inherit;
  background: none;
  font-size: 13px;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-topics {
  margin-top: 4.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
}

.page-contact .contact-topics__lede {
  margin: 1rem 0 2rem;
  max-width: 66ch;
  color: var(--text-soft);
}

.page-contact .contact-topics__grid {
  gap: 1.25rem;
}

.page-contact .contact-topic {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.4rem 1.35rem;
  border-top: 3px solid var(--teal);
}

.page-contact .contact-topic:nth-child(2n) {
  border-top-color: var(--ink-700);
}

.page-contact .contact-topic .wd-card__meta {
  color: var(--ink-500);
  margin: 0;
}

.page-contact .contact-topic .wd-card__body {
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-topic__link {
  align-self: flex-start;
  font-size: 14px;
}

/* ---------- 归档信息 ---------- */
.page-contact .contact-filing {
  margin-top: 4rem;
  padding: 2rem 1.5rem;
  background: var(--mist);
  border: 1px solid var(--rule);
}

.page-contact .contact-filing__title {
  margin-bottom: 1.5rem;
}

.page-contact .contact-filing__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-filing__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .2rem;
  padding: .85rem 0;
  border-bottom: 1px dashed var(--rule);
}

.page-contact .contact-filing__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-500);
}

.page-contact .contact-filing__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-filing__note {
  margin: 1.5rem 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .contact-filing__note a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-filing__note a:hover {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-intro {
    padding: 3rem 2.75rem 2.5rem;
  }

  .page-contact .contact-filing__row {
    grid-template-columns: 8.5rem 1fr;
    align-items: baseline;
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-split {
    grid-template-columns: 1fr 1.08fr;
    gap: 3.5rem;
    align-items: start;
  }

  .page-contact .contact-left {
    position: sticky;
    top: 6rem;
  }

  .page-contact .contact-topics__grid {
    gap: 1.5rem;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-split {
    grid-template-columns: 1fr 1.35fr;
    gap: 4.5rem;
  }

  .page-contact .contact-intro__title {
    font-size: clamp(2.25rem, 3.4vw, 2.9rem);
  }
}

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

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within {
    transform: none;
  }
}