.page-contact {
  --c-surface: rgba(251, 248, 242, 0.06);
  --c-paper-card: rgba(251, 248, 242, 0.62);
  --c-paper-line: rgba(42, 33, 27, 0.16);
  background: var(--coal);
  color: var(--mist);
  font-family: var(--font-body);
}

.page-contact h1,
.page-contact h2,
.page-contact h3,
.page-contact p {
  margin: 0;
}

.page-contact .crumbs-wrap {
  padding-top: clamp(1rem, 3vw, 1.8rem);
  padding-bottom: clamp(0.8rem, 2vw, 1.2rem);
  background: var(--coal);
}

.page-contact .crumbs__link {
  color: var(--muted-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

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

.page-contact .crumbs__sep,
.page-contact .crumbs__current {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(0.6rem, 2vw, 1.2rem) 0 clamp(2.6rem, 7vw, 5rem);
  background:
    radial-gradient(130% 90% at 88% -10%, rgba(255, 90, 31, 0.22), transparent 62%),
    var(--coal);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 4%;
  width: 52%;
  height: 82%;
  background: linear-gradient(155deg, rgba(255, 90, 31, 0.20), rgba(200, 62, 45, 0.05));
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 76%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .eyebrow {
  color: var(--orange);
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.page-contact .eyebrow--ink {
  color: var(--link-paper);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin-top: 0.5rem;
  max-width: 17ch;
}

.page-contact .contact-hero__lede {
  margin-top: 1rem;
  max-width: 48ch;
  font-size: clamp(1rem, 2.2vw, 1.0625rem);
  line-height: 1.78;
  color: var(--muted-dark);
}

.page-contact .desk-board {
  margin-top: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(27, 31, 36, 0.94), rgba(16, 18, 20, 0.94));
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.9);
}

.page-contact .desk-row {
  display: grid;
  gap: 0.35rem;
  padding: clamp(0.9rem, 2.6vw, 1.3rem) var(--panel-pad);
  border-top: 1px solid var(--line-dark);
}

.page-contact .desk-row:first-child {
  border-top: 0;
}

.page-contact .desk-row__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
}

.page-contact .desk-row__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.15rem, 4.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  justify-self: start;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-contact .desk-row__value--mail {
  font-size: clamp(1rem, 3.6vw, 1.5rem);
}

.page-contact .desk-row__value:hover,
.page-contact .desk-row__value:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .time-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-self: start;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  color: var(--card-yellow);
  border-bottom: 1px dashed rgba(231, 195, 90, 0.55);
  cursor: help;
}

.page-contact .time-chip__note {
  position: absolute;
  left: 0;
  top: calc(100% + 0.55rem);
  width: max-content;
  max-width: min(19rem, 78vw);
  padding: 0.55rem 0.75rem;
  background: var(--graphite-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--mist);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity var(--speed) var(--ease), transform var(--speed) var(--ease);
  z-index: 6;
}

.page-contact .time-chip:hover .time-chip__note,
.page-contact .time-chip:focus-visible .time-chip__note,
.page-contact .time-chip:focus-within .time-chip__note {
  opacity: 1;
  transform: translateY(0);
}

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

.page-contact .figure__frame {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: var(--graphite);
}

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

.page-contact .figure__caption {
  margin-top: 0.7rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted-dark);
}

/* ---------- 通用区块 ---------- */

.page-contact .contact-section {
  padding: clamp(2.6rem, 7vw, 5rem) 0;
}

.page-contact .contact-section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .contact-section--graphite {
  background: var(--graphite);
  color: var(--mist);
}

.page-contact .contact-section--coal {
  background: var(--coal);
  color: var(--mist);
}

.page-contact .contact-section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 4.6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
  max-width: 20ch;
}

.page-contact .contact-section__lede {
  margin-top: 0.9rem;
  max-width: 62ch;
  font-size: clamp(0.95rem, 2.1vw, 1rem);
  line-height: 1.8;
  color: var(--muted-light);
}

.page-contact .contact-section--graphite .contact-section__lede,
.page-contact .contact-section--coal .contact-section__lede {
  color: var(--muted-dark);
}

.page-contact .contact-section--paper .figure__caption {
  color: var(--muted-light);
}

.page-contact .contact-section--paper .figure__frame {
  border-color: var(--c-paper-line);
  background: var(--paper-2);
}

/* ---------- 咨询准备 ---------- */

.page-contact .prep-grid {
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-contact .prep-figure {
  margin: 0;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 0.95rem 1rem;
  background: var(--c-paper-card);
  border: 1px solid var(--c-paper-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-s);
  transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-contact .prep-item:hover {
  background: var(--mist);
  border-color: rgba(255, 90, 31, 0.5);
  border-left-color: var(--orange);
}

.page-contact .prep-item__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--link-paper);
  padding-top: 0.15rem;
}

.page-contact .prep-item__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .prep-item__text {
  margin-top: 0.35rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted-light);
}

/* ---------- 受理分类 ---------- */

.page-contact .topic-stack {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  display: grid;
  gap: 0.85rem;
}

.page-contact .topic {
  display: grid;
  gap: 0.8rem;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  background: var(--graphite-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-contact .topic:hover {
  background: rgba(255, 90, 31, 0.09);
  border-color: rgba(255, 90, 31, 0.6);
}

.page-contact .topic__index {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--orange);
  line-height: 1;
}

.page-contact .topic__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .topic__text {
  margin-top: 0.55rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--muted-dark);
}

.page-contact .topic__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.page-contact .topic__link {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--data-teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-contact .topic__link::after {
  content: " →";
}

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

/* ---------- 安卓 V4 ---------- */

.page-contact .v4-panel {
  display: grid;
  gap: clamp(1.3rem, 3.5vw, 2.2rem);
  padding: clamp(1.3rem, 3vw, 2.4rem);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(27, 31, 36, 0.95), rgba(16, 18, 20, 0.95)),
    var(--graphite);
}

.page-contact .v4-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .v4-item {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-s);
  background: var(--c-surface);
  border: 1px solid transparent;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-contact .v4-item:hover {
  background: rgba(79, 179, 169, 0.10);
  border-color: rgba(79, 179, 169, 0.55);
}

.page-contact .v4-item__code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--data-teal);
  letter-spacing: 0.06em;
}

.page-contact .v4-item__text {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .v4-panel__note {
  padding-left: 0.9rem;
  border-left: 3px solid var(--orange);
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--muted-dark);
}

/* ---------- 园区与备案 ---------- */

.page-contact .loc-grid {
  margin-top: clamp(1.5rem, 4vw, 2.2rem);
  display: grid;
  gap: 1rem;
}

.page-contact .loc-card {
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  background: var(--mist);
  border: 1px solid var(--c-paper-line);
  border-radius: var(--radius-m);
  border-top: 3px solid var(--orange);
}

.page-contact .loc-card--mono {
  border-top-color: var(--cinnabar);
}

.page-contact .loc-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.page-contact .loc-card__value {
  margin-top: 0.6rem;
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .loc-card__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.page-contact .loc-card__note {
  margin-top: 0.6rem;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--muted-light);
}

/* ---------- 自助入口 ---------- */

.page-contact .entry-list {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .entry-link {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 1.05rem;
  text-decoration: none;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  background: var(--c-surface);
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-contact .entry-link:hover,
.page-contact .entry-link:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 90, 31, 0.12);
}

.page-contact .entry-link__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-contact .entry-link__desc {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted-dark);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .loc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .contact-hero__figure {
    margin-top: clamp(1rem, 4vw, 3rem);
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .prep-figure {
    position: sticky;
    top: 1.5rem;
  }

  .page-contact .topic {
    grid-template-columns: 3.4rem minmax(0, 1fr) 11.5rem;
    align-items: start;
    gap: 1.1rem;
  }

  .page-contact .topic__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .page-contact .v4-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    column-gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-contact .v4-panel__note {
    grid-column: 2;
    margin-top: -0.4rem;
  }

  .page-contact .entry-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-section__title {
    max-width: 24ch;
  }

  .page-contact .desk-row {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    align-items: center;
    column-gap: 1.2rem;
  }

  .page-contact .desk-row__label {
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .desk-row__value,
  .page-contact .time-chip__note,
  .page-contact .topic,
  .page-contact .prep-item,
  .page-contact .v4-item,
  .page-contact .entry-link,
  .page-contact .topic__link,
  .page-contact .crumbs__link {
    transition: none;
  }
}