.page-contact {
  --pc-shadow: 6px 6px 0 0 var(--ink-950);
  display: block;
  background: var(--ink-900);
  color: var(--mist-100);
}

.page-contact .mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
}

.page-contact .h-section {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--mist-100);
  margin: 10px 0 0;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding: clamp(16px, 2.6vw, 30px) 0 clamp(30px, 5vw, 56px);
}

.page-contact .contact-hero__frame {
  position: relative;
  border: var(--border-strong);
  background:
    radial-gradient(140% 160% at 92% -20%, rgba(59, 240, 200, 0.17), transparent 58%),
    radial-gradient(90% 120% at 4% 115%, rgba(255, 176, 46, 0.09), transparent 62%),
    linear-gradient(158deg, #0B2318 0%, #07160F 68%);
  box-shadow: var(--pc-shadow);
  padding: clamp(24px, 4.2vw, 54px);
  overflow: hidden;
}

.page-contact .contact-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--ink-700) 0 2px, transparent 2px 28px);
  pointer-events: none;
}

.page-contact .contact-hero__frame .h-display {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist-100);
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  color: var(--mist-400);
}

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 30px 0 0;
  border: var(--border-strong);
  background: var(--ink-700);
}

.page-contact .hero-stat {
  background: var(--ink-800);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-contact .hero-stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist-400);
}

.page-contact .hero-stat dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-contact .hero-stat .mono-num {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan-400);
  overflow-wrap: anywhere;
}

.page-contact .hero-stat small {
  font-size: 12px;
  color: var(--mist-400);
}

.page-contact .hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 左右分栏 ---------- */
.page-contact .contact-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-contact .desk-rail {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  align-content: start;
}

.page-contact .desk-rail .h-section {
  margin-top: 0;
}

.page-contact .rail-figure {
  margin: 0;
  border: var(--border-strong);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
  overflow: hidden;
}

.page-contact .rail-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .channel {
  position: relative;
  border: var(--border-strong);
  background: linear-gradient(150deg, rgba(59, 240, 200, 0.07), transparent 58%), var(--ink-800);
  box-shadow: var(--pc-shadow);
  padding: clamp(20px, 2.4vw, 26px);
}

.page-contact .channel--phone {
  background: linear-gradient(150deg, rgba(255, 176, 46, 0.09), transparent 58%), var(--ink-800);
}

.page-contact .channel__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 4px 9px;
  background: var(--cyan-400);
  color: var(--ink-900);
  margin-bottom: 12px;
}

.page-contact .channel--phone .channel__tag {
  background: var(--amber-500);
}

.page-contact .channel__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist-100);
  margin: 0 0 10px;
}

.page-contact .channel__value {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cyan-200);
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist-400);
}

/* ---------- 右栏内容块 ---------- */
.page-contact .desk-main {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
}

.page-contact .deck-block + .deck-block {
  padding-top: clamp(30px, 4vw, 46px);
  border-top: 2px solid var(--ink-700);
}

.page-contact .deck-lead {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-contact .cat-grid {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .cat-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 16px 18px;
  border: 2px solid var(--ink-700);
  background: linear-gradient(150deg, rgba(59, 240, 200, 0.06), transparent 62%), var(--ink-800);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .cat-card:hover {
  border-color: var(--amber-500);
  transform: translateY(-2px);
}

.page-contact .cat-card__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-contact .cat-card__label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist-100);
}

.page-contact .cat-card__desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-contact .deck-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-400);
}

.page-contact .deck-note a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .deck-note a:hover {
  color: var(--cyan-200);
}

/* ---------- 三步流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .flow__step {
  position: relative;
  padding-top: 20px;
  border-top: 2px solid var(--ink-700);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 46px;
  height: 6px;
  background: var(--cyan-400);
}

.page-contact .flow__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--amber-500);
}

.page-contact .flow__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--mist-100);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-contact .flow-figure {
  margin: 30px 0 0;
  border: var(--border-strong);
  background: var(--ink-800);
  box-shadow: var(--pc-shadow);
  overflow: hidden;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .flow-figure figcaption {
  padding: 12px 16px;
  border-top: 2px solid var(--ink-700);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
}

/* ---------- 来信示例 ---------- */
.page-contact .sample-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink-700);
}

.page-contact .sample {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 2px solid var(--ink-700);
}

.page-contact .sample__q {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.8;
  color: var(--cyan-200);
}

.page-contact .sample__why {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist-400);
}

/* ---------- 底部信息带 ---------- */
.page-contact .contact-band {
  background:
    radial-gradient(90% 160% at 10% -30%, rgba(59, 240, 200, 0.13), transparent 60%),
    var(--ink-950);
  border-top: 2px solid var(--ink-700);
  padding: clamp(40px, 6vw, 76px) 0 clamp(36px, 5vw, 62px);
}

.page-contact .band-grid {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: var(--border-strong);
  background: var(--ink-700);
}

.page-contact .band-item {
  background: var(--ink-900);
  padding: 18px 20px 20px;
}

.page-contact .band-item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  margin-bottom: 8px;
}

.page-contact .band-item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-100);
  overflow-wrap: anywhere;
}

.page-contact .band-item dd .mono-num {
  color: var(--cyan-200);
}

.page-contact .band-note {
  margin: 24px 0 0;
  max-width: 80ch;
  font-size: 13px;
  line-height: 1.9;
  color: var(--mist-400);
}

.page-contact .band-note a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .band-note a:hover {
  color: var(--cyan-200);
}

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

@media (min-width: 720px) {
  .page-contact .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-contact .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .sample {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-deck {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .band-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-contact .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact {
    --pc-shadow: 4px 4px 0 0 var(--ink-950);
  }

  .page-contact .contact-hero__frame {
    padding: 22px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cat-card {
    transition: none;
  }

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