.page-contact {
  --contact-line: rgba(107, 78, 30, 0.5);
  --contact-hair: rgba(169, 182, 178, 0.18);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: 34px 44px;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 94% 0%, rgba(229, 178, 67, 0.15), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(60, 224, 206, 0.08), transparent 62%);
}

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

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 9vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__accent {
  color: var(--gold);
  display: inline-block;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 10px) 100%, 0 100%);
  border-bottom: 3px solid var(--gold);
  padding-bottom: 6px;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 38em;
}

.page-contact .contact-facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .contact-facts__item {
  padding: 12px 14px;
  background: rgba(243, 241, 233, 0.03);
  border-left: 2px solid var(--gold);
}

.page-contact .contact-facts__num {
  display: block;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-contact .contact-facts__label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--glass);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--contact-line);
  background: linear-gradient(150deg, var(--ink-blue), var(--ink));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 通道区 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: 30px;
}

.page-contact .head-block {
  max-width: 640px;
}

.page-contact .head-block .section-title {
  margin: 10px 0 0;
}

.page-contact .head-block .prose {
  margin: 14px 0 0;
}

.page-contact .head-block .prose a {
  color: var(--gold-hi);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .head-block .prose a:hover,
.page-contact .head-block .prose a:focus-visible {
  color: var(--neon);
}

.page-contact .contact-card {
  padding: 22px 20px;
  background: linear-gradient(165deg, rgba(14, 42, 37, 0.92), rgba(7, 19, 24, 0.84));
  border: 1px solid rgba(229, 178, 67, 0.34);
  backdrop-filter: blur(12px);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-contact .contact-card__status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-contact .contact-card__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(60, 224, 206, 0.16);
}

.page-contact .contact-card__row {
  padding: 12px 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-card__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--glass);
}

.page-contact .contact-card__value {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  color: var(--gold-hi);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--glass);
}

.page-contact .contact-card__jump {
  display: grid;
  gap: 2px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-card__jump a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .contact-card__jump a:hover,
.page-contact .contact-card__jump a:focus-visible {
  border-left-color: var(--gold);
  color: var(--gold-hi);
  background: rgba(229, 178, 67, 0.08);
}

.page-contact .channel-list {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 22px 22px 26px;
  background: linear-gradient(150deg, rgba(15, 30, 60, 0.74), rgba(7, 19, 24, 0.68));
  border: 1px solid var(--contact-line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(229, 178, 67, 0));
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
}

.page-contact .channel-card__top {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .channel-card__no {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  opacity: 0.8;
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin: 14px 0 0;
  font-size: 17px;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--glass);
}

.page-contact .channel-card__meta {
  display: inline-block;
  margin-top: 16px;
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-hi);
  background: rgba(229, 178, 67, 0.1);
  border: 1px solid rgba(229, 178, 67, 0.28);
}

.page-contact .entry-note {
  display: grid;
  gap: 20px;
  margin-top: 28px;
  padding: 20px;
  background: rgba(7, 19, 24, 0.55);
  border: 1px solid var(--contact-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-contact .entry-note__media {
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.page-contact .entry-note__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .entry-note__title {
  margin: 10px 0 0;
  font-size: 19px;
  color: var(--mist);
}

.page-contact .entry-note__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--glass);
}

/* ---------- 分工 ---------- */
.page-contact .route-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .route-row {
  display: grid;
  gap: 8px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--contact-line);
  transition: background-color 0.25s var(--ease);
}

.page-contact .route-row:hover {
  background: rgba(229, 178, 67, 0.05);
}

.page-contact .route-row__no {
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-contact .route-row__title {
  margin: 0;
  font-size: 19px;
  color: var(--mist);
}

.page-contact .route-row__text {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--glass);
  max-width: 46em;
}

.page-contact .route-row__via {
  align-self: start;
  justify-self: start;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
  border: 1px solid rgba(60, 224, 206, 0.36);
  background: rgba(60, 224, 206, 0.07);
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep__grid {
  display: grid;
  gap: 26px;
}

.page-contact .prep-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(60, 224, 206, 0.16);
  border: 1px solid rgba(60, 224, 206, 0.2);
}

.page-contact .prep-item {
  background: rgba(7, 19, 24, 0.94);
}

.page-contact .prep-item__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  cursor: pointer;
}

.page-contact .prep-item__check {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  cursor: pointer;
  background: rgba(7, 19, 24, 0.8);
  border: 1px solid rgba(229, 178, 67, 0.6);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-contact .prep-item__check:checked {
  background: linear-gradient(135deg, var(--gold), var(--gold-hi));
}

.page-contact .prep-item__check:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

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

.page-contact .prep-item__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--glass);
}

.page-contact .prep-item__text strong {
  display: block;
  margin-bottom: 2px;
  color: var(--mist);
  font-weight: 700;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partner-cols {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .partner-card {
  padding: 24px 22px;
  background: linear-gradient(160deg, rgba(14, 42, 37, 0.82), rgba(7, 19, 24, 0.62));
  border: 1px solid var(--contact-line);
  border-top: 2px solid var(--gold);
}

.page-contact .partner-card__title {
  margin: 0;
  font-size: 19px;
  color: var(--mist);
}

.page-contact .partner-card__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--glass);
}

/* ---------- 联系方式 ---------- */
.page-contact .detail-grid {
  display: grid;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  background: rgba(107, 78, 30, 0.45);
  border: 1px solid rgba(107, 78, 30, 0.45);
}

.page-contact .detail-item {
  padding: 20px;
  background: var(--ink);
}

.page-contact .detail-item dt {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--glass);
}

.page-contact .detail-item dd {
  margin: 8px 0 0;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .detail-item dd.u-mono {
  color: var(--gold-hi);
}

.page-contact .detail-note {
  margin: 22px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--glass);
}

.page-contact .detail-note a {
  color: var(--gold-hi);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-contact .filing {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-top: 26px;
  padding: 16px 18px;
  background: rgba(200, 55, 47, 0.08);
  border-left: 3px solid var(--cinnabar);
}

.page-contact .filing__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--glass);
}

.page-contact .filing__value {
  font-size: 16px;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .entry-note {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
    gap: 28px;
    padding: 24px;
  }

  .page-contact .partner-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .partner-card:nth-child(2) {
    margin-top: 16px;
  }

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

@media (min-width: 820px) {
  .page-contact .channel-list {
    gap: 20px;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-left: 30px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-right: 30px;
  }

  .page-contact .route-row {
    grid-template-columns: 66px minmax(0, 1fr) 200px;
    align-items: start;
    gap: 26px;
    padding: 26px 8px;
  }

  .page-contact .route-row__via {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: 52px 66px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 48px;
  }

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

@media (min-width: 1040px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .route-row,
  .page-contact .contact-card__jump a {
    transition: none;
  }

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