.page-contact {
  --ct-line: rgba(217, 164, 65, .26);
  --ct-hair: rgba(244, 237, 226, .16);
  --ct-paper-line: rgba(11, 16, 23, .14);
  --ct-gold-deep: #8A6217;
  --ct-gap: clamp(3rem, 7vw, 5.5rem);

  background: var(--jh-ink-blue);
  color: var(--jh-paper);
  font-family: var(--jh-font);
}

.page-contact .jh-wrap {
  width: 100%;
  max-width: var(--jh-wrap);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}

.page-contact img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
}

.page-contact h1 {
  font-size: clamp(2.05rem, 6vw, 3.9rem);
  max-width: 17em;
}

.page-contact h2 {
  font-size: clamp(1.55rem, 4vw, 2.45rem);
  max-width: 20em;
}

.page-contact h3 {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
}

.page-contact p {
  margin: 0;
  line-height: 1.85;
}

/* ---------- 面包屑 ---------- */

.page-contact .jh-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--jh-mist);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .jh-crumb a {
  color: var(--jh-mist);
  text-decoration: none;
  transition: color var(--jh-ease) .2s;
}

.page-contact .jh-crumb a:hover {
  color: var(--jh-gold);
}

.page-contact .jh-crumb [aria-current="page"] {
  color: var(--jh-gold-lite);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-head {
  padding-top: clamp(2.25rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-head__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--jh-gold);
  margin-bottom: 1.1rem;
}

.page-contact .contact-head__lead {
  margin-top: 1.5rem;
  max-width: 34em;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: rgba(244, 237, 226, .8);
}

/* ---------- 联络信息卡 ---------- */

.page-contact .contact-channels {
  padding-bottom: var(--ct-gap);
}

.page-contact .contact-channels__panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ct-line);
  border-radius: var(--jh-radius-l);
  padding: clamp(1.5rem, 4.5vw, 3.5rem);
  background: linear-gradient(150deg, rgba(29, 46, 74, .95), rgba(11, 16, 23, .96));
}

.page-contact .contact-channels__bg {
  position: absolute;
  inset: 0;
  opacity: .22;
  pointer-events: none;
}

.page-contact .contact-channels__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-channels__head,
.page-contact .contact-list {
  position: relative;
  z-index: 1;
}

.page-contact .contact-channels__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--jh-gold);
  margin-bottom: 1rem;
}

.page-contact .contact-channels__intro {
  margin-top: 1rem;
  max-width: 32em;
  color: rgba(244, 237, 226, .72);
}

.page-contact .contact-list {
  list-style: none;
  margin: clamp(2rem, 5vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.25rem);
}

.page-contact .contact-item {
  position: relative;
  display: grid;
  gap: .55rem;
  padding-left: clamp(1.1rem, 3vw, 1.6rem);
  border-left: 1px solid var(--ct-line);
}

.page-contact .contact-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: .5rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jh-gold);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, .15);
}

.page-contact .contact-item__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--jh-gold-lite);
}

.page-contact .contact-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.25rem;
}

.page-contact .contact-item__value {
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--jh-paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-item__note {
  max-width: 40em;
  font-size: .95rem;
  color: rgba(244, 237, 226, .68);
}

.page-contact .contact-item__copy {
  flex: none;
}

.page-contact .contact-item__copy.is-copied {
  border-color: var(--jh-gold);
  box-shadow: 0 0 0 2px rgba(217, 164, 65, .34);
}

.page-contact .contact-item__map {
  margin-top: .5rem;
  color: var(--jh-gold);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-reply {
  padding-bottom: var(--ct-gap);
}

.page-contact .contact-reply__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .contact-reply__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--jh-gold);
  margin-bottom: 1rem;
}

.page-contact .contact-reply__lead {
  margin-top: 1.25rem;
  max-width: 34em;
  color: rgba(244, 237, 226, .78);
}

.page-contact .contact-timeline {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ct-hair);
  border-radius: var(--jh-radius);
  overflow: hidden;
}

.page-contact .contact-timeline__item {
  display: grid;
  gap: .4rem;
  padding: clamp(1rem, 2.5vw, 1.35rem) clamp(1.1rem, 3vw, 1.6rem);
  background: rgba(29, 46, 74, .55);
}

.page-contact .contact-timeline__time {
  font-family: var(--jh-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--jh-gold);
}

.page-contact .contact-timeline__item p {
  font-size: .975rem;
  color: rgba(244, 237, 226, .8);
}

.page-contact .contact-reply__figure {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
}

/* ---------- 自助路径（暖纸白区） ---------- */

.page-contact .contact-selfhelp {
  background: var(--jh-paper);
  color: var(--jh-ink);
  padding-block: clamp(3rem, 7vw, 5rem);
}

.page-contact .contact-report {
  background: var(--jh-paper);
  color: var(--jh-ink);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-selfhelp__kicker,
.page-contact .contact-report__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--ct-gold-deep);
  margin-bottom: 1rem;
}

.page-contact .contact-selfhelp__lead,
.page-contact .contact-report__intro p {
  margin-top: 1.15rem;
  max-width: 36em;
  color: rgba(11, 16, 23, .72);
}

.page-contact .contact-paths {
  list-style: none;
  margin: clamp(2rem, 5vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-contact .contact-path {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding: clamp(1.35rem, 3vw, 1.75rem);
  border: 1px solid rgba(11, 16, 23, .1);
  border-radius: var(--jh-radius);
  background: rgba(255, 255, 255, .58);
  transition: transform var(--jh-ease) .22s, border-color var(--jh-ease) .22s;
}

.page-contact .contact-path:hover {
  transform: translateY(-2px);
  border-color: rgba(217, 164, 65, .7);
}

.page-contact .contact-path__kicker {
  font-family: var(--jh-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ct-gold-deep);
}

.page-contact .contact-path h3 {
  color: var(--jh-ink-blue);
}

.page-contact .contact-path p {
  flex: 1;
  font-size: .95rem;
  color: rgba(11, 16, 23, .72);
}

.page-contact .contact-path .jh-btn {
  align-self: flex-start;
}

/* ---------- 来信清单 ---------- */

.page-contact .contact-report__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-fold details {
  border-top: 1px solid var(--ct-paper-line);
  padding: 1.1rem 0;
}

.page-contact .contact-fold details:last-child {
  border-bottom: 1px solid var(--ct-paper-line);
}

.page-contact .contact-fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--jh-ink-blue);
}

.page-contact .contact-fold summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--jh-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--jh-vermilion);
  transition: transform var(--jh-ease) .2s;
}

.page-contact .contact-fold details[open] summary::after {
  content: "–";
}

.page-contact .contact-fold details p {
  margin-top: .7rem;
  max-width: 38em;
  font-size: .95rem;
  color: rgba(11, 16, 23, .72);
}

/* ---------- 合作与建议 ---------- */

.page-contact .contact-coop {
  padding-block: var(--ct-gap);
}

.page-contact .contact-coop__kicker {
  font-family: var(--jh-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--jh-gold);
  margin-bottom: 1rem;
}

.page-contact .contact-coop__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .contact-coop__card {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: clamp(1.4rem, 3.5vw, 2rem);
  border: 1px solid var(--ct-line);
  border-radius: var(--jh-radius);
  background: rgba(29, 46, 74, .5);
}

.page-contact .contact-coop__card .jh-tag {
  align-self: flex-start;
}

.page-contact .contact-coop__card p {
  font-size: .97rem;
  color: rgba(244, 237, 226, .76);
}

.page-contact .contact-coop__link {
  margin-top: auto;
  font-size: .92rem;
  color: rgba(244, 237, 226, .58);
}

.page-contact .contact-coop__link a {
  color: var(--jh-gold-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部索引条 ---------- */

.page-contact .contact-index {
  border-top: 1px solid var(--ct-hair);
  padding-block: clamp(1.5rem, 3vw, 2.25rem) clamp(2rem, 4vw, 3rem);
}

.page-contact .contact-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem clamp(1rem, 3vw, 2.25rem);
}

.page-contact .contact-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  font-size: .92rem;
  color: rgba(244, 237, 226, .72);
  text-decoration: none;
  transition: color var(--jh-ease) .2s;
}

.page-contact .contact-index__list a:hover {
  color: var(--jh-gold);
}

.page-contact .contact-index__list .jh-num {
  font-family: var(--jh-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--jh-gold);
}

/* ---------- 响应式 ---------- */

@media (min-width: 780px) {
  .page-contact .contact-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .contact-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-report__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-reply__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-item__row {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-contact .contact-index__list {
    flex-direction: column;
    gap: .6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-path,
  .page-contact .contact-index__list a,
  .page-contact .jh-crumb a,
  .page-contact .contact-fold summary::after {
    transition: none;
  }
}