.page-contact {
  --contact-edge: rgba(196, 207, 224, 0.55);
  --contact-ondark: rgba(255, 248, 240, 0.6);
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-contact .breadcrumb__link {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .breadcrumb__link:hover {
  color: var(--ink);
  border-bottom-color: var(--flare);
}

.page-contact .breadcrumb__sep {
  color: var(--mist);
}

.page-contact .breadcrumb__here {
  color: var(--ink);
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding: 34px 0 52px;
  border-bottom: 1px solid var(--mist);
}

.page-contact .contact-hero__intro {
  margin: 22px 0 0;
  max-width: 32em;
  font-size: var(--fs-lead);
  line-height: 1.72;
  color: var(--slate);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .console {
  border: 1px solid var(--mist);
  background: var(--sand);
  padding: 18px 18px 10px;
}

.page-contact .console__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-contact .console__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.page-contact .console__row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-top: 1px solid var(--contact-edge);
  font-size: 13px;
  color: var(--slate);
}

.page-contact .console__val {
  font-family: var(--font-mono);
  color: var(--ink);
  text-align: right;
  word-break: break-word;
}

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

/* 渠道与铭牌 */
.page-contact .contact-channels {
  padding: 52px 0 8px;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .plate {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  outline: 1px solid rgba(196, 207, 224, 0.28);
  outline-offset: -7px;
  padding: 40px 22px 26px;
}

.page-contact .plate__tick {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--flare);
}

.page-contact .plate__tick--tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .plate__tick--tr {
  top: -1px;
  right: -1px;
  border-left: 0;
  border-bottom: 0;
}

.page-contact .plate__tick--bl {
  bottom: -1px;
  left: -1px;
  border-right: 0;
  border-top: 0;
}

.page-contact .plate__tick--br {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .plate__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-contact .plate__tag {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--contact-ondark);
}

.page-contact .plate__rows {
  margin: 26px 0 0;
}

.page-contact .plate__row {
  border-top: 1px solid rgba(196, 207, 224, 0.24);
  padding: 16px 0 14px;
}

.page-contact .plate__row:last-child {
  border-bottom: 1px solid rgba(196, 207, 224, 0.24);
}

.page-contact .plate__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(255, 248, 240, 0.52);
}

.page-contact .plate__row dd {
  margin: 8px 0 0;
}

.page-contact .plate__value {
  display: block;
  padding-left: 10px;
  border-left: 2px solid var(--flare);
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--paper);
  word-break: break-all;
  user-select: all;
}

.page-contact .plate__value--addr {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  word-break: normal;
}

.page-contact .plate__hint {
  display: block;
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255, 248, 240, 0.56);
}

.page-contact .plate__foot {
  margin: 20px 0 0;
  font-size: 12px;
  color: rgba(255, 248, 240, 0.46);
}

.page-contact .contact-channels__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .channel {
  border-top: 1px solid var(--mist);
}

.page-contact .channel:last-of-type {
  border-bottom: 1px solid var(--mist);
}

.page-contact .channel__summary {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num fit";
  gap: 2px 12px;
  padding: 18px 28px 18px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-contact .channel__summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--flare);
}

.page-contact .channel[open] .channel__summary::after {
  content: "–";
}

.page-contact .channel__num {
  grid-area: num;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-contact .channel__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-contact .channel__fit {
  grid-area: fit;
  font-size: 13px;
  color: var(--slate);
}

.page-contact .channel__summary:hover .channel__name {
  color: var(--flare);
}

.page-contact .channel__body {
  padding: 0 28px 20px 46px;
}

.page-contact .channel__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .channel__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  word-break: break-all;
}

/* 主题带 */
.page-contact .band {
  margin-top: 48px;
  margin-bottom: 48px;
}

.page-contact .band-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* 反馈清单 */
.page-contact .contact-howto {
  padding: 8px 0;
}

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

.page-contact .contact-howto__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--mist);
}

.page-contact .checklist li {
  position: relative;
  border-bottom: 1px solid var(--mist);
}

.page-contact .checklist__box {
  position: absolute;
  top: 20px;
  left: 4px;
  width: 16px;
  height: 16px;
  margin: 0;
  opacity: 0;
}

.page-contact .checklist__label {
  position: relative;
  display: block;
  padding: 18px 8px 18px 40px;
  cursor: pointer;
}

.page-contact .checklist__label::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  width: 16px;
  height: 16px;
  border: 1px solid var(--slate);
  background: var(--paper);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .checklist__box:checked + .checklist__label::before {
  background: var(--flare);
  border-color: var(--flare);
}

.page-contact .checklist__box:checked + .checklist__label::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 24px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  transform: rotate(-45deg);
}

.page-contact .checklist__box:focus-visible + .checklist__label::before {
  outline: 2px solid var(--flare);
  outline-offset: 2px;
}

.page-contact .checklist__num {
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-contact .checklist__text {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.page-contact .checklist__box:checked + .checklist__label .checklist__text {
  color: var(--slate);
}

.page-contact .checklist__hint {
  display: block;
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

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

.page-contact .contact-howto__figure img,
.page-contact .contact-place__figure img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--mist);
}

/* 回复时效 */
.page-contact .contact-timing {
  padding: 52px 0 8px;
}

.page-contact .contact-timing__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-timing__big {
  display: inline-block;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--flare);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(72px, 15vw, 132px);
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: var(--ink);
}

.page-contact .contact-timing__big span {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--flare);
}

.page-contact .contact-timing__statnote {
  margin: 16px 0 0;
  max-width: 22em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .timing-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .timing-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--mist);
}

.page-contact .timing-list li:last-child {
  border-bottom: 1px solid var(--mist);
}

.page-contact .timing-list__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-contact .timing-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

/* 合作 */
.page-contact .contact-coop {
  margin-top: 52px;
  padding: 46px 0;
  background: var(--sand);
  border-top: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
}

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

.page-contact .contact-coop__text p {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
  word-break: break-word;
}

.page-contact .fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--contact-edge);
}

.page-contact .fact:last-child {
  border-bottom: 1px solid var(--contact-edge);
}

.page-contact .fact__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--ink);
}

.page-contact .fact__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* 地域 */
.page-contact .contact-place {
  padding: 52px 0 8px;
}

.page-contact .contact-place__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

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

.page-contact .contact-place__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .contact-place__coord {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-contact .contact-place__rule {
  display: block;
  width: 42px;
  height: 1px;
  background: var(--flare);
}

/* 顺路入口 */
.page-contact .contact-next {
  padding: 52px 0 72px;
}

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

.page-contact .contact-next__grid .section-head p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mist);
}

.page-contact .next-list li {
  border-bottom: 1px solid var(--mist);
}

.page-contact .next-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  gap: 2px 12px;
  padding: 16px 0;
  text-decoration: none;
  color: var(--ink);
}

.page-contact .next-list a:hover .next-list__title,
.page-contact .next-list a:focus-visible .next-list__title {
  color: var(--flare);
}

.page-contact .next-list__num {
  grid-area: num;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-contact .next-list__title {
  grid-area: title;
  font-size: 16px;
  font-weight: 700;
  transition: color var(--dur) var(--ease);
}

.page-contact .next-list__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 56px 0 68px;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .plate {
    padding: 44px 30px 30px;
  }

  .page-contact .contact-howto__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .contact-timing__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-coop__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-coop__facts {
    padding-left: 22px;
    border-left: 1px solid var(--mist);
  }

  .page-contact .contact-coop__facts .fact:first-child {
    border-top: 0;
    padding-top: 0;
  }

  .page-contact .contact-place__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: center;
  }

  .page-contact .contact-next__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
}