/* ============ 反馈通道 · page-contact ============ */
.page-contact {
  --pc-surface: #12253D;
  --pc-surface-2: #16304F;
  --pc-soft: rgba(230, 237, 246, .78);
  --pc-softer: rgba(230, 237, 246, .6);
  background: var(--deep);
  color: var(--mist);
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 48px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(720px 340px at 94% -22%, rgba(255, 106, 31, .2), transparent 64%),
    radial-gradient(520px 300px at 2% 4%, rgba(61, 224, 164, .09), transparent 62%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__text {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-contact .contact-hero__stamp {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-s);
  background: linear-gradient(140deg, rgba(18, 37, 61, .92), rgba(10, 25, 48, .6));
}

.page-contact .contact-hero__stamp-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 11vw, 56px);
  font-weight: 600;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.03em;
}

.page-contact .contact-hero__stamp-num i {
  font-style: normal;
  font-size: .42em;
  margin-left: 4px;
  color: var(--cool);
}

.page-contact .contact-hero__stamp-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool);
}

/* ---------- 联系方式 + 事项分流 ---------- */
.page-contact .contact-core .section__head {
  display: grid;
  gap: 12px;
  align-items: end;
}

.page-contact .contact-core__layout {
  display: grid;
  gap: 26px;
  margin-top: 32px;
}

.page-contact .contact-core__panel {
  display: grid;
  gap: 22px;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(18, 37, 61, .94), rgba(10, 25, 48, .66));
}

.page-contact .contact-lines {
  display: grid;
}

.page-contact .contact-line {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  min-width: 0;
  border-top: 1px solid var(--line-soft);
}

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

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

.page-contact .contact-line__label {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cool);
}

.page-contact .contact-line__label::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 10px;
  background: var(--orange);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 4.4vw, 27px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .25s var(--ease);
}

.page-contact .contact-line__value--sm {
  font-size: clamp(14px, 3.4vw, 18px);
  letter-spacing: 0;
  line-height: 1.55;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--pc-soft);
}

.page-contact .contact-line__value:hover,
.page-contact .contact-line__value:focus-visible {
  color: var(--orange);
}

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

/* ---------- 媒体框 ---------- */
.page-contact .media-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--navy-2);
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool);
  background: rgba(10, 25, 48, .82);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-core__media .media-frame__img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 事项分流卡 ---------- */
.page-contact .contact-core__cards {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .dispatch-card {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 20px 20px 20px 22px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--pc-surface);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .dispatch-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--steel);
  transition: background .3s var(--ease);
}

.page-contact .dispatch-card:hover,
.page-contact .dispatch-card:focus-within {
  transform: translateY(-1px);
  border-color: rgba(255, 106, 31, .6);
  box-shadow: 0 16px 34px -22px rgba(0, 0, 0, .95);
}

.page-contact .dispatch-card:hover::before,
.page-contact .dispatch-card:focus-within::before {
  background: var(--orange);
}

.page-contact .dispatch-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .dispatch-card__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--warm);
}

.page-contact .dispatch-card__icon {
  width: 20px;
  height: 20px;
  color: var(--orange);
}

.page-contact .dispatch-card .card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .dispatch-card .card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .dispatch-card__note {
  margin-top: 6px;
  padding: 14px 16px;
  border: 1px dashed rgba(147, 163, 184, .3);
  border-radius: var(--r-s);
  background: rgba(10, 25, 48, .74);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-contact .dispatch-card:hover .dispatch-card__note,
.page-contact .dispatch-card:focus-within .dispatch-card__note {
  border-color: rgba(255, 106, 31, .5);
  background: rgba(255, 106, 31, .06);
}

.page-contact .dispatch-card__note-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--warm);
}

.page-contact .dispatch-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-contact .dispatch-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--cool);
}

.page-contact .dispatch-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--steel);
}

/* ---------- 提交之后：时间线 ---------- */
.page-contact .contact-flow .section__head {
  display: grid;
  gap: 12px;
  align-items: end;
}

.page-contact .contact-flow__layout {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-contact .contact-flow__timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-contact .contact-flow__timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--orange), rgba(61, 224, 164, .45) 55%, rgba(147, 163, 184, .22));
}

.page-contact .contact-flow__timeline .timeline__item {
  position: relative;
  padding: 0 0 30px 34px;
}

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

.page-contact .contact-flow__timeline .timeline__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--steel);
}

.page-contact .contact-flow__timeline .timeline__item:nth-child(1) .timeline__dot {
  background: var(--warm);
  border-color: var(--warm);
}

.page-contact .contact-flow__timeline .timeline__item:nth-child(2) .timeline__dot {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .contact-flow__timeline .timeline__item:nth-child(3) .timeline__dot {
  background: var(--live);
  border-color: var(--live);
  box-shadow: 0 0 0 4px rgba(61, 224, 164, .16);
}

.page-contact .contact-flow__timeline .timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cool);
}

.page-contact .contact-flow__timeline .timeline__title {
  margin: 6px 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .contact-flow__timeline .timeline__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .contact-flow__timeline .timeline__body a {
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 164, 92, .45);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .contact-flow__timeline .timeline__body a:hover,
.page-contact .contact-flow__timeline .timeline__body a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-contact .contact-flow__media .media-frame__img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-partners .section__head {
  display: grid;
  gap: 12px;
  align-items: end;
}

.page-contact .contact-partners__grid {
  margin-top: 30px;
  gap: 16px;
}

.page-contact .partner-card {
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--pc-surface);
  transition: border-color .3s var(--ease);
}

.page-contact .partner-card[open] {
  border-color: rgba(255, 106, 31, .5);
}

.page-contact .partner-card__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .partner-card__summary:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: -3px;
}

.page-contact .partner-card__tag {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--orange);
  padding: 3px 8px;
  border: 1px solid rgba(255, 106, 31, .4);
  border-radius: var(--r-p);
}

.page-contact .partner-card__name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .partner-card__arrow {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .partner-card[open] .partner-card__arrow {
  transform: rotate(45deg);
  border-color: var(--orange);
}

.page-contact .partner-card__body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line-soft);
  margin-top: 2px;
  padding-top: 16px;
}

.page-contact .partner-card__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .partner-card__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .partner-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--cool);
}

.page-contact .partner-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 7px;
  height: 1px;
  background: var(--warm);
}

.page-contact .partner-card__foot {
  margin-top: 14px !important;
  font-size: 13px !important;
  color: var(--cool) !important;
}

.page-contact .partner-card__foot a,
.page-contact .contact-tail a,
.page-contact .breadcrumbs__link {
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 164, 92, .4);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .partner-card__foot a:hover,
.page-contact .partner-card__foot a:focus-visible,
.page-contact .contact-tail a:hover,
.page-contact .contact-tail a:focus-visible,
.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-tail {
  margin-top: 34px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-s);
  background: rgba(18, 37, 61, .68);
}

.page-contact .contact-tail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-soft);
}

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--live);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact {
    padding-bottom: 88px;
  }

  .page-contact .contact-core__layout {
    gap: 28px;
  }

  .page-contact .contact-core__panel {
    padding: 26px;
  }

  .page-contact .contact-partners__grid {
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 34px 0 62px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-core .section__head,
  .page-contact .contact-flow .section__head,
  .page-contact .contact-partners .section__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 34ch);
    gap: 32px;
  }

  .page-contact .contact-core__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
    margin-top: 40px;
  }

  .page-contact .contact-flow__layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
    margin-top: 38px;
  }

  .page-contact .contact-partners__grid {
    margin-top: 38px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-core__panel {
    padding: 30px;
  }

  .page-contact .dispatch-card {
    padding: 24px 26px 24px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dispatch-card,
  .page-contact .partner-card__arrow,
  .page-contact .dispatch-card__note,
  .page-contact .contact-line__value {
    transition: none;
  }

  .page-contact .dispatch-card:hover,
  .page-contact .dispatch-card:focus-within {
    transform: none;
  }
}