.page-contact {
  position: relative;
  overflow-x: clip;
}

.page-contact .contact-crumbs {
  padding-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-mast {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 16px;
  padding-bottom: 42px;
}

.page-contact .contact-mast__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-contact .contact-mast__eyebrow::before {
  content: "";
  width: 42px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon));
}

.page-contact h1.display {
  margin: 0 0 20px;
  color: var(--paper);
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact h1.display em {
  font-style: normal;
  color: var(--neon);
}

.page-contact .contact-mast__lede {
  max-width: 34em;
  color: var(--text-soft);
}

.page-contact .contact-mast__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-contact .contact-mast__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 联络台（米白阅读区） ---------- */
.page-contact .contact-sheet {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid rgba(0, 224, 184, 0.34);
  border-bottom: 1px solid rgba(11, 31, 24, 0.16);
  padding: clamp(34px, 6vw, 68px) 0;
}

.page-contact .contact-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

/* 联系卡 */
.page-contact .contact-card {
  position: relative;
  padding: 26px 20px 22px;
  color: var(--text);
  background:
    radial-gradient(120% 92% at 0% 0%, rgba(0, 224, 184, 0.18), transparent 62%),
    linear-gradient(168deg, var(--panel-lift) 0%, var(--panel) 42%, var(--ink-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 68px;
  height: 3px;
  background: var(--neon);
}

.page-contact .contact-card__title {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
  letter-spacing: -0.01em;
}

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

.page-contact .contact-rec > div {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-rec > div:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-contact .contact-rec dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-contact .contact-rec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-rec dd a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 184, 0.4);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .contact-rec dd a:hover,
.page-contact .contact-rec dd a:focus-visible {
  color: var(--neon-soft);
  border-bottom-color: var(--neon-soft);
}

.page-contact .contact-rec__sub {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: var(--text-dim);
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-soft);
}

/* 右侧内容 */
.page-contact .contact-body {
  display: grid;
  gap: clamp(30px, 5vw, 46px);
  min-width: 0;
}

.page-contact .contact-block__k {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .contact-block__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .contact-block__lede {
  margin: 0 0 22px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(11, 31, 24, 0.76);
}

/* 时间与顺序 */
.page-contact .contact-rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-rhythm > li {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid rgba(11, 31, 24, 0.2);
}

.page-contact .contact-rhythm > li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 5px;
  width: 7px;
  height: 7px;
  background: var(--paper);
  border: 1px solid var(--teal);
  transform: rotate(45deg);
}

.page-contact .contact-rhythm > li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .contact-rhythm__no {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .contact-rhythm__title {
  margin: 0 0 5px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .contact-rhythm p:not(.contact-rhythm__no) {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(11, 31, 24, 0.72);
}

/* 准备清单 */
.page-contact .contact-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(11, 31, 24, 0.16);
}

.page-contact .contact-prep li {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(11, 31, 24, 0.16);
}

.page-contact .contact-prep__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-contact .contact-prep__v {
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(11, 31, 24, 0.78);
}

/* 合作类型 */
.page-contact .contact-coop__fig {
  margin: 0 0 18px;
}

.page-contact .contact-coop__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .contact-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .coop-card {
  position: relative;
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(11, 31, 24, 0.14);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-contact .coop-card:hover {
  transform: translateY(-3px);
  border-color: var(--teal);
}

.page-contact .coop-card:focus-within {
  border-color: var(--neon);
}

.page-contact .coop-card__who {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--teal);
}

.page-contact .coop-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .coop-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(11, 31, 24, 0.75);
}

.page-contact .coop-card a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 90, 69, 0.4);
}

.page-contact .coop-card a:hover,
.page-contact .coop-card a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 常见路径 */
.page-contact .contact-paths {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-paths li {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid rgba(11, 31, 24, 0.16);
}

.page-contact .contact-paths li:last-child {
  border-bottom: 1px solid rgba(11, 31, 24, 0.16);
}

.page-contact .contact-paths a {
  font-size: 15.5px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 31, 24, 0.22);
  justify-self: start;
}

.page-contact .contact-paths a:hover,
.page-contact .contact-paths a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--neon);
}

.page-contact .contact-paths span {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(11, 31, 24, 0.6);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-colophon {
  padding-top: clamp(30px, 5vw, 52px);
  padding-bottom: clamp(38px, 6vw, 64px);
}

.page-contact .contact-colophon__title {
  margin: 0 0 18px;
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .contact-colophon__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-colophon__k {
  margin: 0 0 5px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-contact .contact-colophon__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-contact .contact-colophon__v a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 184, 0.4);
}

.page-contact .contact-colophon__v a:hover,
.page-contact .contact-colophon__v a:focus-visible {
  color: var(--neon-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-prep li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .contact-colophon__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-mast {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 44px;
    align-items: end;
    padding-bottom: 58px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-desk {
    grid-template-columns: 336px minmax(0, 1fr);
    gap: 54px;
  }

  .page-contact .contact-card {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

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

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