.page-contact {
  --pc-hair: 1px solid var(--line-600);
  --pc-chan-size: clamp(1rem, 3.1vw, 2rem);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(42, 50, 60, 0.55) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(90deg, rgba(42, 50, 60, 0.55) 0 1px, transparent 1px 120px);
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 80%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 80%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6.4vw, 4.1rem);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--mist-200);
}

.page-contact .contact-hero__lead-text {
  margin: 20px 0 0;
  max-width: 46ch;
}

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

.page-contact .quick {
  list-style: none;
  margin: 36px 0 0;
  padding: 14px 0 0;
  border-top: var(--pc-hair);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-family: var(--font-mono);
}

.page-contact .quick__link {
  color: var(--mist-400);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-contact .quick__link:hover,
.page-contact .quick__link:focus-visible {
  color: var(--jade-400);
  border-bottom-color: var(--jade-400);
}

/* ---------- 三项联系信息 ---------- */
.page-contact .chan {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: var(--pc-hair);
}

.page-contact .chan__row {
  display: grid;
  gap: 8px;
  padding: 24px 0;
  border-bottom: var(--pc-hair);
}

.page-contact .chan__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.page-contact .chan__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--pc-chan-size);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--mist-200);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
  transition: color 0.3s var(--ease);
}

.page-contact .chan__val--text {
  font-size: clamp(0.95rem, 2.2vw, 1.4rem);
  letter-spacing: 0;
}

.page-contact .chan__row:hover .chan__val {
  color: var(--gold-300);
}

.page-contact .chan__val::selection {
  background: var(--gold-500);
  color: var(--ink-900);
}

.page-contact .chan__note {
  margin: 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-400);
}

/* ---------- 受理范围 ---------- */
.page-contact .scope {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-contact .scope__cell {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--ink-900);
  transition: background 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-contact .scope__cell:hover,
.page-contact .scope__cell:focus {
  background: var(--ink-700);
  box-shadow: inset 0 0 0 1px rgba(200, 162, 74, 0.35);
}

.page-contact .scope__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-500);
}

.page-contact .scope__title {
  margin: 14px 0 0;
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--mist-200);
}

.page-contact .scope__body {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .scope__desc {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-top: 0;
  border-top: 1px solid transparent;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--jade-400);
  transition: max-height 0.38s var(--ease), opacity 0.3s var(--ease),
    margin-top 0.38s var(--ease), padding-top 0.38s var(--ease);
}

.page-contact .scope__cell:hover .scope__desc,
.page-contact .scope__cell:focus .scope__desc {
  max-height: 9em;
  opacity: 1;
  margin-top: 14px;
  padding-top: 12px;
  border-top-color: rgba(79, 191, 159, 0.35);
}

/* ---------- 响应节奏 ---------- */
.page-contact .pace {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: var(--pc-hair);
}

.page-contact .pace__item {
  display: grid;
  gap: 6px;
  padding: 22px 0;
  border-bottom: var(--pc-hair);
}

.page-contact .pace__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .pace__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mist-200);
}

.page-contact .pace__body-text {
  margin: 8px 0 0;
  max-width: 64ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .pace__tail {
  margin: 22px 0 0;
  max-width: 66ch;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist-400);
  padding-left: 14px;
  border-left: 2px solid var(--magenta-500);
}

/* ---------- 沟通前准备 ---------- */
.page-contact .prep__grid {
  display: grid;
  gap: 30px;
  align-items: start;
  margin-top: 6px;
}

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

.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-hair);
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: var(--pc-hair);
}

.page-contact .prep__mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--jade-400);
}

.page-contact .prep__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .prep__text strong {
  font-weight: 500;
  color: var(--mist-200);
}

/* ---------- 备案信息 ---------- */
.page-contact .section__title--small {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
}

.page-contact .record__inner {
  display: grid;
  gap: 20px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: var(--pc-hair);
}

.page-contact .record__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-contact .record__val {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist-200);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .record__val--body {
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-400);
  -webkit-user-select: text;
  user-select: text;
}

/* ---------- 其他入口 ---------- */
.page-contact .more {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-contact .more__item {
  background: var(--ink-900);
}

.page-contact .more__link {
  display: block;
  height: 100%;
  box-sizing: border-box;
  padding: 22px 20px;
  text-decoration: none;
  color: var(--mist-200);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .more__link:hover,
.page-contact .more__link:focus-visible {
  background: var(--ink-700);
  color: var(--gold-300);
}

.page-contact .more__label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
}

.page-contact .more__hint {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 响应式 ---------- */
@media (max-width: 767px) {
  .page-contact .scope__desc {
    max-height: none;
    opacity: 1;
    margin-top: 14px;
    padding-top: 12px;
    border-top-color: rgba(79, 191, 159, 0.25);
  }
}

@media (min-width: 768px) {
  .page-contact .chan__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 10px 30px;
    padding: 30px 0;
    align-items: baseline;
  }

  .page-contact .chan__note {
    grid-column: 2;
  }

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

  .page-contact .pace__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 24px;
    padding: 26px 0;
  }

  .page-contact .record__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 40px;
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__lead {
    padding-bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan__val,
  .page-contact .scope__cell,
  .page-contact .scope__desc,
  .page-contact .more__link,
  .page-contact .quick__link {
    transition: none;
  }
}