.page-contact {
  --pc-gap: clamp(20px, 3vw, 40px);
  --pc-grid-soft: rgba(246, 242, 234, 0.06);
  background-color: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-contact .section {
  padding-block: clamp(52px, 7vw, 100px);
}

.page-contact .pc-lede {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  padding-top: clamp(24px, 3.5vw, 44px);
  padding-bottom: clamp(48px, 6vw, 84px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-contact .pc-hero__title {
  margin: 14px 0 22px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(36px, 6.6vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 17ch;
}

.page-contact .pc-hero__intro {
  max-width: 60ch;
  margin: 0 0 20px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
}

.page-contact .pc-hero__note {
  display: inline-block;
  margin: 0;
  padding: 10px 16px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--c-orange);
  background: var(--c-white);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink-2);
}

.page-contact .pc-hero__figure {
  margin: 0;
  background: var(--c-white);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-layer);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 880 / 520;
  object-fit: cover;
}

/* ---------- 常用入口 ---------- */

.page-contact .pc-split {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 3.5vw, 46px);
}

.page-contact .pc-split__cards {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
  align-content: start;
}

.page-contact .pc-channel {
  padding: clamp(20px, 2.8vw, 32px);
  background: var(--c-white);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-layer);
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease), border-color 320ms var(--ease);
}

.page-contact .pc-channel:hover {
  transform: translateY(-2px);
  border-color: var(--c-mist);
  box-shadow: var(--shadow-layer-hover);
}

.page-contact .pc-channel__kind {
  margin: 0 0 16px;
  font-size: var(--fs-index);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-burnt);
}

.page-contact .pc-channel__value {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--c-orange);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: clamp(16px, 2.4vw, 23px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: var(--c-ink);
}

.page-contact .pc-channel__desc {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink-2);
}

.page-contact .pc-channel__hint {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-contact .pc-aside {
  padding: clamp(22px, 2.8vw, 34px);
  background-color: var(--c-ink);
  background-image:
    linear-gradient(var(--pc-grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-soft) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--c-paper);
}

.page-contact .pc-aside__title {
  margin: 0 0 22px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-contact .pc-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-aside__list li {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-invert);
}

.page-contact .pc-aside__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .pc-aside__key {
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  color: rgba(246, 242, 234, 0.55);
}

.page-contact .pc-aside__val {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-paper);
}

/* ---------- 事项分流 ---------- */

.page-contact .pc-topics__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 3.5vw, 42px);
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-contact .pc-topic {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--c-white);
  transition: background-color 320ms var(--ease);
}

.page-contact .pc-topic:hover {
  background: var(--c-paper);
}

.page-contact .pc-topic > .tag {
  align-self: flex-start;
}

.page-contact .pc-topic__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-contact .pc-topic__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

.page-contact .pc-topic__prep {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-contact .pc-topic__route {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-burnt);
}

/* ---------- 地址 ---------- */

.page-contact .pc-address__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .pc-address__text {
  max-width: 58ch;
  margin: 0 0 16px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-ink-2);
}

.page-contact .pc-address__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .pc-address__meta li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.page-contact .pc-address__label {
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-contact .pc-address__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
  word-break: break-word;
}

.page-contact .pc-address__figure {
  margin: 0;
  background: var(--c-white);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-layer);
}

.page-contact .pc-address__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 600;
  object-fit: cover;
}

/* ---------- 自查 ---------- */

.page-contact .pc-selfcheck__grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(26px, 3.5vw, 42px);
}

.page-contact .pc-selfcheck__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no label"
    "desc desc";
  column-gap: 16px;
  row-gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--c-white);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: transform 320ms var(--ease), border-color 320ms var(--ease), box-shadow 320ms var(--ease);
}

.page-contact .pc-selfcheck__item:hover {
  transform: translateY(-2px);
  border-color: var(--c-orange);
  box-shadow: var(--shadow-layer);
}

.page-contact .pc-selfcheck__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--c-orange);
}

.page-contact .pc-selfcheck__label {
  grid-area: label;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-contact .pc-selfcheck__desc {
  grid-area: desc;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

/* ---------- 跟进流程 ---------- */

.page-contact .pc-flow {
  list-style: none;
  margin: clamp(26px, 3.5vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 30px);
}

.page-contact .pc-flow__step {
  position: relative;
  padding-top: 34px;
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 11px;
  height: 1px;
  background: var(--rule);
}

.page-contact .pc-flow__dot {
  position: absolute;
  top: 4px;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--c-paper);
  border: 2px solid var(--c-orange);
}

.page-contact .pc-flow__step:last-child .pc-flow__dot {
  background: var(--c-orange);
}

.page-contact .pc-flow__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-contact .pc-flow__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-2);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-contact .pc-selfcheck__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-address__meta li {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-topics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-topic:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .pc-address__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  }

  .page-contact .pc-address__figure {
    order: -1;
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-topics__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-topic:last-child:nth-child(odd) {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-topic,
  .page-contact .pc-selfcheck__item {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-selfcheck__item:hover {
    transform: none;
  }
}