.page-contact {
  --pc-edge: clamp(18px, 3vw, 34px);
  --pc-soft-line: rgba(11, 15, 12, .14);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(72px, 11vw, 138px) clamp(52px, 7vw, 92px);
  background: var(--ink);
  color: var(--on-dark);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 90px;
  background: linear-gradient(180deg, transparent, rgba(182, 255, 60, .06));
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-hero__copy .breadcrumbs {
  margin-bottom: 4px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-size: clamp(34px, 6vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.025em;
  font-style: italic;
  color: var(--on-dark);
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.78;
  color: var(--on-dark-dim);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px clamp(24px, 5vw, 56px);
  margin-top: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__meta .stat {
  display: grid;
  gap: 6px;
}

.page-contact .contact-hero__meta .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--on-dark);
}

.page-contact .contact-hero__meta .stat--amber .stat__value {
  color: var(--amber);
}

.page-contact .contact-hero__meta .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--on-dark-dim);
  max-width: 22ch;
}

/* 地图视觉 */
.page-contact .map-art {
  position: relative;
  aspect-ratio: 7 / 5;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0d1310;
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-contact .map-art__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
  filter: saturate(.35) contrast(1.1);
}

.page-contact .map-art__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(182, 255, 60, .13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(182, 255, 60, .13) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(120% 100% at 60% 45%, #000 30%, transparent 88%);
  -webkit-mask-image: radial-gradient(120% 100% at 60% 45%, #000 30%, transparent 88%);
}

.page-contact .map-art__pin {
  position: absolute;
  left: 58%;
  top: 42%;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 7px rgba(182, 255, 60, .16), 0 0 26px rgba(182, 255, 60, .85);
}

.page-contact .map-art__legend {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 15, 12, .84);
  display: grid;
  gap: 8px;
}

.page-contact .map-art__legend p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark);
  font-family: var(--font-mono);
  letter-spacing: -.01em;
}

/* ---------- 三个入口 ---------- */
.page-contact .contact-channels {
  background: var(--ink-2);
  color: var(--on-dark);
  border-top: 1px solid var(--line);
}

.page-contact .section__note {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .channel-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px 20px 26px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--neon);
  box-shadow: var(--shadow-1);
}

.page-contact .channel-card .card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--on-dark);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--on-dark-dim);
}

.page-contact .channel-card a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .channel-card a:hover,
.page-contact .channel-card a:focus-visible {
  border-bottom-color: var(--neon);
}

.page-contact .channel-card__hint {
  font-size: 13px !important;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--on-dark-dim);
}

/* ---------- 纠错清单 ---------- */
.page-contact .contact-check__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
}

.page-contact .contact-check__head h2 {
  margin: 6px 0 14px;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .contact-check__head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40ch;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--pc-soft-line);
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-soft-line);
}

.page-contact .checklist__mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 7px;
  border: 1px solid var(--muted);
  border-radius: 2px;
}

.page-contact .checklist__mark::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 6px;
  width: 10px;
  height: 1px;
  background: var(--neon-deep);
}

.page-contact .checklist__item h3 {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .checklist__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 合作与引用 ---------- */
.page-contact .contact-partners {
  background: var(--ink);
  color: var(--on-dark);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .partner-card {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 22px 26px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}

.page-contact .partner-card:hover,
.page-contact .partner-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--neon);
  box-shadow: var(--shadow-1);
}

.page-contact .partner-card__no {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -.02em;
}

.page-contact .partner-card .card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--on-dark);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--on-dark-dim);
}

/* ---------- 回复时间 ---------- */
.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hours__copy h2 {
  margin: 6px 0 16px;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .contact-hours__copy > p {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-soft-line);
}

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-soft-line);
}

.page-contact .hours-list__num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .hours-list__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-hours__media {
  border-radius: var(--radius);
  border: 1px solid var(--pc-soft-line);
  overflow: hidden;
  background: var(--card);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-detail {
  background: var(--ink-2);
  color: var(--on-dark);
  border-top: 1px solid var(--line);
}

.page-contact .contact-lines {
  margin-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--on-dark-dim);
}

.page-contact .contact-line__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.015em;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-contact .contact-line__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-dark-dim);
  max-width: 48ch;
}

.page-contact .contact-detail__foot {
  margin: clamp(24px, 4vw, 36px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

.page-contact .contact-detail__foot a {
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-detail__foot a:hover,
.page-contact .contact-detail__foot a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 560px) {
  .page-contact .contact-hero__meta {
    gap: 18px;
    flex-direction: column;
  }

  .page-contact .map-art {
    aspect-ratio: 1 / 1;
  }

  .page-contact .contact-hero h1 {
    font-style: normal;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid,
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-check__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .hours-list li,
  .page-contact .contact-line {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 22px;
  }

  .page-contact .hours-list__num {
    grid-column: 1;
  }

  .page-contact .hours-list__text {
    grid-column: 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 62fr 38fr;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .contact-hero__panel {
    padding-top: 12px;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: 58fr 42fr;
    gap: clamp(40px, 5vw, 80px);
  }

  .page-contact .contact-line {
    grid-template-columns: 200px 320px minmax(0, 1fr);
  }

  .page-contact .contact-check__grid {
    grid-template-columns: 4fr 7fr;
  }
}