.page-contact {
  --pc-line: rgba(40, 70, 107, 0.26);
  --pc-line-soft: rgba(40, 70, 107, 0.14);
  --pc-tilt: -1.2deg;
  background: var(--cream);
  color: var(--ink);
}

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

.page-contact .breadcrumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

/* ---------- 通讯面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  margin-top: 12px;
  background-color: var(--sea);
  background-image: repeating-linear-gradient(
    112deg,
    rgba(40, 70, 107, 0.55) 0 1px,
    transparent 1px 52px
  );
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-panel::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 340px;
  height: 340px;
  border: 2px solid rgba(79, 209, 165, 0.26);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-panel__inner {
  position: relative;
  display: grid;
  gap: 36px;
  padding-top: 40px;
  padding-bottom: 48px;
}

.page-contact .contact-panel__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 16em;
}

.page-contact .contact-panel__lead {
  margin-top: 18px;
  max-width: 36em;
  color: var(--soft);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: var(--ink-blue);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-contact .contact-card__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-contact .contact-card__value {
  font-size: clamp(16px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-card__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--soft);
}

.page-contact .copy-btn {
  align-self: flex-start;
  margin-top: 6px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  background: transparent;
  border: 1px solid rgba(255, 106, 26, 0.55);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--sea);
}

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

.page-contact .contact-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  transform: rotate(var(--pc-tilt));
  filter: saturate(0.94) contrast(1.06);
}

.page-contact .contact-panel__cap {
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

/* ---------- 咨询准备 ---------- */
.page-contact .section--prep {
  background: var(--cream);
}

.page-contact .prep-list {
  margin-top: 36px;
  display: grid;
  gap: 14px;
}

.page-contact .prep-item {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 24px;
  gap: 14px;
  align-items: start;
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--pc-line);
  border-top: 3px solid var(--ink-blue);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-contact .prep-item:hover {
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .prep-item__num {
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 500;
  line-height: 1;
  color: var(--orange);
}

.page-contact .prep-item__body {
  display: block;
  min-width: 0;
}

.page-contact .prep-item__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .prep-item__text {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .prep-item__check {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  cursor: pointer;
  position: relative;
  flex: none;
}

.page-contact .prep-item__check:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .prep-item__check:checked {
  background: var(--mint);
  border-color: var(--mint);
}

.page-contact .prep-item__check:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--sea);
  border-bottom: 2px solid var(--sea);
  transform: rotate(40deg);
}

.page-contact .prep-item:has(.prep-item__check:checked) {
  border-top-color: var(--mint);
  background: #F1FAF5;
}

/* ---------- 处理节奏 ---------- */
.page-contact .section--timing {
  background: var(--paper);
  border-top: 1px solid var(--pc-line-soft);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .timing {
  display: grid;
  gap: 32px;
}

.page-contact .timing__text {
  margin-top: 16px;
  max-width: 34em;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  border-left: 2px solid var(--line);
}

.page-contact .timeline__item {
  position: relative;
  padding: 0 0 26px 24px;
}

.page-contact .timeline__item:last-child {
  padding-bottom: 0;
}

.page-contact .timeline__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--orange);
}

.page-contact .timeline__time {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange-deep);
}

.page-contact .timeline__text {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .timing__accordion {
  grid-column: 1 / -1;
  margin-top: 4px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .timing__accordion .accordion__panel p {
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .timing__accordion .accordion__panel a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作与内容 ---------- */
.page-contact .coop-panel {
  display: grid;
  gap: 24px;
  padding: 28px 22px;
  background: var(--ink-blue);
  border-left: 4px solid var(--orange);
  color: var(--paper);
}

.page-contact .eyebrow--light {
  color: var(--mint);
}

.page-contact .coop-panel__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .coop-panel__body p {
  line-height: 1.85;
  color: var(--soft);
}

.page-contact .coop-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--soft);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 站点与备案 ---------- */
.page-contact .section--registry {
  background: var(--cream);
}

.page-contact .registry {
  display: grid;
  gap: 30px;
}

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

.page-contact .registry__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--pc-line);
}

.page-contact .registry__lead {
  margin-top: 14px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .registry-strip {
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .registry-strip__cell {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line-soft);
  font-size: 13px;
}

.page-contact .registry-strip__cell dt {
  color: var(--steel);
  font-family: var(--mono);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-contact .registry-strip__cell dd {
  margin: 0;
  text-align: right;
  font-weight: 500;
  color: var(--graphite);
  word-break: break-word;
}

/* ---------- 相关入口 ---------- */
.page-contact .section--related {
  background: var(--cream);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .related-grid {
  margin-top: 32px;
  display: grid;
  gap: 12px;
}

.page-contact .related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--pc-line);
  border-bottom: 2px solid var(--ink-blue);
  color: var(--ink);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .related-card span {
  font-weight: 400;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .related-card:hover,
.page-contact .related-card:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 32px;
  }

  .page-contact .contact-card--wide {
    grid-column: 1 / -1;
  }

  .page-contact .registry-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }

  .page-contact .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .prep-item:nth-child(2n) {
    transform: rotate(-0.6deg);
  }

  .page-contact .prep-item:nth-child(3n) {
    transform: rotate(0.5deg);
  }

  .page-contact .prep-item:hover {
    transform: rotate(0deg) translateY(-2px);
  }
}

@media (min-width: 860px) {
  .page-contact .coop-panel {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
    padding: 40px 44px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-panel__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 52px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-contact .registry {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-contact .timing {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px 56px;
  }
}

@media (min-width: 1040px) {
  .page-contact .related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep-item,
  .page-contact .related-card,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .prep-item:nth-child(2n),
  .page-contact .prep-item:nth-child(3n) {
    transform: none;
  }

  .page-contact .contact-panel__figure img {
    transform: none;
  }
}