.page-contact {
  --ct-hard-shadow: 6px 6px 0 var(--aged);
  --ct-hard-shadow-hover: 10px 10px 0 var(--gold-soft);
  background-color: var(--paper);
  color: var(--ink);
}

/* 首屏 */
.page-contact .ct-hero {
  display: grid;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: start;
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2rem, 5vw, 3.5rem);
}

.page-contact .ct-hero__title {
  margin: .7rem 0 1rem;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-contact .ct-hero__lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.85;
  color: var(--charcoal);
}

.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-jump a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem .85rem;
  border: 2px solid var(--ink);
  background-color: var(--paper);
  color: var(--ink);
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--aged);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-jump a:hover {
  border-color: var(--red);
  background-color: var(--gold-soft);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-contact .ct-jump__num {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--red);
}

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--ink);
  background-color: var(--aged);
  box-shadow: 10px 10px 0 var(--gold-soft);
}

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

.page-contact .ct-hero__caption {
  padding: .65rem .9rem;
  border-top: 2px solid var(--ink);
  background-color: var(--paper);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--charcoal);
}

.page-contact .ct-hero__seal {
  position: absolute;
  top: -1rem;
  left: -.6rem;
  padding: .5rem .45rem;
  border: 2px solid var(--ink);
  background-color: var(--red);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: .12em;
  writing-mode: vertical-rl;
  transform: rotate(-4deg);
}

/* 渠道卡 */
.page-contact .ct-channels-section .section__lead {
  max-width: 38em;
}

.page-contact .ct-channels {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 2.6rem 1.25rem 1.4rem;
  border: 2px solid var(--ink);
  background-color: var(--paper);
  box-shadow: var(--ct-hard-shadow);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2.4rem;
  height: 2.4rem;
  background-color: var(--gold);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--red);
  box-shadow: var(--ct-hard-shadow-hover);
}

.page-contact .ct-channel .card__tag {
  align-self: flex-start;
}

.page-contact .ct-channel__value {
  margin: 0;
  padding: .5rem .6rem;
  border-left: 3px solid var(--gold);
  background-color: var(--gold-soft);
  font-family: var(--mono);
  font-size: .95rem;
  font-weight: 700;
  word-break: break-all;
  color: var(--ink);
}

.page-contact .ct-channel .card__summary {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--charcoal);
}

/* 分栏结构 */
.page-contact .ct-split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .ct-split__text .prose {
  margin-top: 1.25rem;
}

.page-contact .ct-split__aside {
  padding: 1.4rem 1.25rem;
  border: 2px solid var(--ink);
  background-color: var(--paper);
  box-shadow: var(--ct-hard-shadow);
}

.page-contact .ct-aside__label {
  margin: 0;
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--ink);
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--red);
}

.page-contact .ct-aside__note {
  margin: 1.1rem 0 0;
  font-size: .85rem;
  line-height: 1.75;
  color: var(--charcoal);
}

/* 拼音对照 */
.page-contact .ct-pinyin {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-pinyin li {
  display: flex;
  flex-wrap: wrap;
  gap: .2rem 1.25rem;
  align-items: baseline;
  padding: .8rem 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .ct-pinyin li:first-child {
  border-top: 1px solid var(--gold-line);
}

.page-contact .ct-pinyin__roman {
  flex: 1 1 12ch;
  font-family: var(--mono);
  font-size: .92rem;
  letter-spacing: .05em;
  color: var(--indigo);
}

.page-contact .ct-pinyin__han {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}

/* 响应边界 */
.page-contact .ct-window {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--gold-line);
}

.page-contact .ct-window li {
  display: grid;
  gap: .35rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .ct-window__k {
  padding-left: .65rem;
  border-left: 3px solid var(--gold);
  font-family: var(--mono);
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .ct-window__v {
  font-size: .95rem;
  line-height: 1.8;
  color: var(--charcoal);
}

/* 留言字段 */
.page-contact .ct-fields {
  display: grid;
  gap: .8rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-field {
  position: relative;
  padding: 1rem 1rem 1rem 3.2rem;
  border: 2px solid var(--ink);
  background-color: var(--paper);
  box-shadow: 4px 4px 0 var(--aged);
}

.page-contact .ct-field__num {
  position: absolute;
  top: 1.05rem;
  left: 1rem;
  font-family: var(--mono);
  font-size: .85rem;
  font-weight: 700;
  color: var(--red);
}

.page-contact .ct-field__name {
  margin-right: .5rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
}

.page-contact .ct-field__rule {
  margin: .4rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--charcoal);
}

/* 合作事项 */
.page-contact .ct-coop {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .ct-coop__card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.4rem 1.25rem;
  border: 2px solid var(--ink);
  background-color: var(--paper);
  box-shadow: var(--ct-hard-shadow);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-coop__card:hover,
.page-contact .ct-coop__card:focus-within {
  border-color: var(--red);
  box-shadow: var(--ct-hard-shadow-hover);
}

.page-contact .ct-coop__card .card__tag {
  align-self: flex-start;
}

.page-contact .ct-coop__card .card__summary {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--charcoal);
}

.page-contact .ct-coop__card .card__more {
  margin-top: auto;
}

.page-contact .ct-map {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  border: 3px solid var(--ink);
  background-color: var(--aged);
  box-shadow: 8px 8px 0 var(--gold-soft);
}

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

.page-contact .ct-map__caption {
  padding: .75rem 1rem;
  border-top: 2px solid var(--ink);
  background-color: var(--paper);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--charcoal);
}

/* 站点信息带 */
.page-contact .ct-band {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 4px solid var(--red);
  background-color: var(--ink);
  color: var(--paper);
}

.page-contact .ct-band__inner {
  display: grid;
  gap: 1.25rem;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .ct-band__seal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 5.5rem;
  border: 2px solid var(--gold);
  background-color: var(--red);
  color: var(--paper);
  font-family: var(--serif);
  transform: rotate(-3deg);
}

.page-contact .ct-band__seal span {
  font-size: .78rem;
  letter-spacing: .14em;
}

.page-contact .ct-band__seal strong {
  font-family: var(--mono);
  font-size: 1.3rem;
  color: var(--gold);
}

.page-contact .ct-band__title {
  margin: 0 0 .65rem;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-contact .ct-band__text p {
  max-width: 38em;
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--on-dark-dim);
}

.page-contact .ct-band__text a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.page-contact .ct-band__meta {
  padding-top: 1rem;
  border-top: 1px solid var(--on-dark-line);
}

.page-contact .ct-band__icp {
  margin: 0;
  font-family: var(--mono);
  font-size: .88rem;
  color: var(--gold);
}

.page-contact .ct-band__note {
  margin: .45rem 0 0;
  font-size: .82rem;
  color: var(--on-dark-dim);
}

/* 响应式 */
@media (min-width: 48rem) {
  .page-contact .ct-channels,
  .page-contact .ct-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-window li {
    grid-template-columns: 15rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.75rem;
  }

  .page-contact .ct-band__inner {
    grid-template-columns: 6rem minmax(0, 1fr) 15rem;
    align-items: center;
    gap: 2rem;
  }

  .page-contact .ct-band__meta {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--on-dark-line);
    padding-left: 1.5rem;
  }
}

@media (min-width: 64rem) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .ct-split--reverse .ct-split__text {
    order: 1;
  }

  .page-contact .ct-split--reverse .ct-split__aside {
    order: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-jump a,
  .page-contact .ct-channel,
  .page-contact .ct-coop__card {
    transition: none;
  }

  .page-contact .ct-hero__seal,
  .page-contact .ct-band__seal {
    transform: none;
  }
}