.page-contact {
  --contact-line-soft: rgba(38, 48, 59, 0.7);
  --contact-gap: 24px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 32px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 40px;
  margin-top: 28px;
}

.page-contact .contact-hero__copy h1 {
  font-size: clamp(34px, 5.2vw, 68px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
}

.page-contact .contact-hero__copy .lede {
  max-width: 60ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .hero-visual {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(255, 138, 30, 0.10), rgba(51, 225, 214, 0.05) 55%, transparent 85%);
  padding: 18px;
}

.page-contact .hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 三个联系入口 ---------- */
.page-contact .contact-channels h2 {
  margin: 10px 0 8px;
}

.page-contact .channel-grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .channel-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--charcoal);
  padding: 24px 22px;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .channel-card:hover {
  border-color: rgba(255, 138, 30, 0.5);
  background: #182029;
}

.page-contact .channel-card--mail {
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(255, 138, 30, 0.11), rgba(20, 26, 34, 0.94) 46%);
}

.page-contact .channel-card--mail:hover {
  border-color: var(--amber);
}

.page-contact .channel-card__title {
  margin: 14px 0 6px;
  font-size: 20px;
  letter-spacing: -0.01em;
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--sand);
  word-break: break-all;
}

.page-contact .channel-card--tel .channel-card__value {
  color: var(--cyan);
  font-size: 22px;
  letter-spacing: 0.02em;
}

.page-contact .channel-card--addr .channel-card__value {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .channel-card__meta {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .channel-card__meta li {
  font-size: 13px;
  line-height: 1.5;
  color: var(--graphite);
  border: 1px solid var(--contact-line-soft);
  border-radius: 999px;
  padding: 4px 12px;
}

.page-contact .channel-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
}

.page-contact .channel-media figcaption {
  display: block;
  padding: 12px 16px 14px;
  margin: 0;
  border-top: 1px solid var(--line);
}

/* ---------- 准备材料 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: 36px;
}

.page-contact .prep-copy h2 {
  margin: 10px 0 14px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .prep-item {
  position: relative;
}

.page-contact .prep-item__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .prep-item label {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 14px 16px;
  border: 1px dashed var(--contact-line-soft);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-contact .prep-item label:hover {
  border-color: var(--cyan-dark);
  background: rgba(51, 225, 214, 0.04);
}

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

.page-contact .prep-item__check:checked + label {
  border-style: solid;
  border-color: var(--recover);
  background: rgba(63, 191, 127, 0.08);
}

.page-contact .prep-item__num {
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.4;
  color: var(--amber);
  letter-spacing: -0.02em;
  transition: color 180ms ease;
}

.page-contact .prep-item__check:checked + label .prep-item__num {
  color: var(--recover);
}

.page-contact .prep-item__body {
  display: block;
}

.page-contact .prep-item__body strong {
  display: block;
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 4px;
}

.page-contact .prep-item__body span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

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

.page-contact .prep-figure__frame {
  border: 1px dashed var(--contact-line-soft);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--glass);
}

.page-contact .prep-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-contact .prep-figure figcaption {
  display: block;
  margin-top: 12px;
}

/* ---------- 紧急协助 ---------- */
.page-contact .urgent-panel {
  display: grid;
  gap: 24px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: var(--charcoal);
  padding: 28px 24px;
}

.page-contact .urgent-panel__copy h2 {
  margin: 10px 0 16px;
}

.page-contact .urgent-steps {
  list-style: none;
  margin: 22px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: urgent;
}

.page-contact .urgent-steps li {
  position: relative;
  padding-left: 36px;
  font-size: 15px;
  line-height: 1.7;
  counter-increment: urgent;
}

.page-contact .urgent-steps li::before {
  content: counter(urgent, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--coral);
  border: 1px solid rgba(255, 107, 90, 0.4);
  border-radius: 2px;
  padding: 1px 5px;
}

.page-contact .urgent-panel__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
}

.page-contact .urgent-panel__glyph {
  font-family: var(--font-mono);
  font-size: clamp(64px, 12vw, 112px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 107, 90, 0.75);
  letter-spacing: -0.04em;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow h2 {
  margin: 10px 0 0;
}

.page-contact .flow {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.page-contact .flow-step {
  border-top: 2px solid var(--line);
  padding-top: 18px;
  transition: border-color 180ms ease;
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  border-top-color: var(--cyan);
  outline: none;
}

.page-contact .flow-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .flow-step__hint {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--graphite);
  opacity: 0.55;
  transition: opacity 180ms ease, border-color 180ms ease;
}

.page-contact .flow-step:hover .flow-step__hint,
.page-contact .flow-step:focus-within .flow-step__hint {
  opacity: 1;
  border-left-color: var(--cyan);
}

.page-contact .flow-footer {
  display: block;
  margin-top: 30px;
}

.page-contact .flow-footer a {
  color: var(--cyan);
}

/* ---------- 通信地址与来访 ---------- */
.page-contact .visit-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--charcoal);
  padding: 28px 24px;
  max-width: 760px;
}

.page-contact .visit-card h2 {
  margin: 10px 0 16px;
}

.page-contact .visit-address {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 138, 30, 0.07);
  font-size: 16px;
  line-height: 1.75;
  color: var(--sand);
}

.page-contact .visit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 58fr 42fr;
    align-items: center;
    gap: 48px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 22px;
  }

  .page-contact .channel-card--mail {
    grid-column: 1 / span 7;
    grid-row: 1 / span 2;
  }

  .page-contact .channel-card--tel {
    grid-column: 8 / span 5;
    grid-row: 1;
  }

  .page-contact .channel-card--addr {
    grid-column: 8 / span 5;
    grid-row: 2;
  }

  .page-contact .channel-media {
    grid-column: 1 / -1;
  }

  .page-contact .prep-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .prep-figure {
    position: sticky;
    top: 32px;
  }

  .page-contact .urgent-panel {
    grid-template-columns: 1fr 160px;
    align-items: center;
    padding: 36px 32px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .page-contact .visit-card {
    padding: 36px 34px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .prep-item label,
  .page-contact .prep-item__num,
  .page-contact .flow-step,
  .page-contact .flow-step__hint {
    transition: none;
  }
}