.page-contact {
  --contact-radius: 2px;
  background: var(--rice);
  color: var(--ink);
  padding-bottom: 0;
}

.page-contact .shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rock);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.page-contact .breadcrumbs__link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(28px, 5vw, 60px) 0 clamp(24px, 4vw, 48px);
  border-bottom: var(--line) solid var(--ink);
}

.page-contact .contact-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 18px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 11vw, 118px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--qing);
}

.page-contact .contact-hero__lede {
  max-width: 38ch;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.75;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-contact .contact-hero__note {
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
  margin: 0;
  padding-left: 14px;
  border-left: 4px solid var(--shui);
}

/* ---------- 主框架 ---------- */
.page-contact .contact-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 56px);
  padding-top: clamp(32px, 5vw, 60px);
  align-items: start;
}

/* ---------- 左侧渠道卡 ---------- */
.page-contact .contact-card {
  border: var(--line) solid var(--ink);
  border-radius: var(--contact-radius);
  background: var(--rice);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-card__head {
  margin: 0;
  padding: 14px 20px;
  background: var(--qing);
  color: var(--rice);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .contact-row {
  padding: 18px 20px;
  border-bottom: var(--line) solid var(--ink);
  display: grid;
  gap: 8px;
}

.page-contact .contact-row__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.2vw, 17px);
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
  color: var(--qing);
  overflow-wrap: anywhere;
}

.page-contact .contact-value--addr {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .contact-card__foot {
  margin: 0;
  padding: 14px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
  background: rgba(127, 182, 196, 0.16);
}

.page-contact .copy-btn {
  justify-self: start;
  margin-top: 2px;
  padding: 8px 16px;
  border: var(--line) solid var(--ink);
  border-radius: var(--contact-radius);
  background: var(--rice);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--clay);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
}

.page-contact .copy-btn:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 var(--ink);
}

.page-contact .copy-btn[data-copied] {
  background: var(--moss);
  color: var(--rice);
}

/* ---------- 右栏流动区 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}

.page-contact .flow-section {
  min-width: 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact .flow-section .section-head {
  padding-bottom: 12px;
  border-bottom: var(--line) solid var(--ink);
  margin-bottom: 22px;
}

.page-contact .flow-section:target .section-head__title {
  color: var(--clay);
}

.page-contact .prose {
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 62ch;
  margin: 0;
}

.page-contact .prose + .prose {
  margin-top: 14px;
}

/* ---------- 场景分流条 ---------- */
.page-contact .router {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .router__link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 18px;
  padding: 18px 20px;
  border: var(--line) solid var(--ink);
  border-radius: var(--contact-radius);
  background: var(--rice);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.page-contact .router__num {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--clay);
}

.page-contact .router__title {
  grid-column: 2;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.page-contact .router__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .router__tag {
  grid-column: 3;
  grid-row: 1 / 3;
  align-self: center;
  padding: 5px 10px;
  border: var(--line) solid var(--ink);
  border-radius: var(--contact-radius);
  background: rgba(127, 182, 196, 0.24);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-contact .router__link:hover,
.page-contact .router__link:focus-visible {
  background: rgba(127, 182, 196, 0.22);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
}

/* ---------- 事实列表 ---------- */
.page-contact .fact-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .fact-list__item {
  padding: 14px 0 14px 18px;
  border-left: 4px solid var(--blue);
  border-bottom: 1px solid rgba(16, 20, 24, 0.16);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .fact-list__item:last-child {
  border-bottom: 0;
}

/* ---------- 电话与地址分栏 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

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

.page-contact .call-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .call-value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--qing);
}

.page-contact .addr-value {
  margin: 0 0 16px;
  font-size: clamp(18px, 3.6vw, 24px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--clay);
}

.page-contact .split__body .prose + .call-label {
  margin-top: 26px;
}

/* ---------- 来信四要素 ---------- */
.page-contact .attach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line) solid var(--ink);
  border-left: var(--line) solid var(--ink);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .attach-item {
  padding: 20px 22px 22px;
  border-bottom: var(--line) solid var(--ink);
  border-right: var(--line) solid var(--ink);
  background: var(--rice);
}

.page-contact .attach-item__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--clay);
  margin-bottom: 10px;
}

.page-contact .attach-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--qing);
}

.page-contact .attach-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 站点信息 ---------- */
.page-contact .site-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid rgba(16, 20, 24, 0.18);
}

.page-contact .site-meta__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .site-meta__val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.page-contact .site-links {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.page-contact .site-links__link {
  display: inline-block;
  padding: 7px 14px;
  border: var(--line) solid var(--ink);
  border-radius: var(--contact-radius);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.page-contact .site-links__link:hover,
.page-contact .site-links__link:focus-visible {
  background: var(--qing);
  color: var(--rice);
}

/* ---------- 页尾路网线稿 ---------- */
.page-contact .route-art {
  position: relative;
  margin: clamp(52px, 9vw, 104px) 0 0;
  overflow: hidden;
  background: var(--qing);
}

.page-contact .route-art img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 300px);
  max-width: none;
  object-fit: cover;
  filter: saturate(0.4) contrast(1.1);
  opacity: 0.55;
}

.page-contact .route-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    var(--rice) 0%,
    rgba(244, 241, 234, 0) 42%,
    rgba(244, 241, 234, 0) 70%,
    var(--rice) 100%
  );
  pointer-events: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 639px) {
  .page-contact .router__link {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 16px;
  }

  .page-contact .router__num {
    grid-row: 1 / 3;
    font-size: 18px;
  }

  .page-contact .router__tag {
    grid-column: 2;
    grid-row: auto;
    justify-self: start;
    margin-top: 6px;
  }
}

@media (min-width: 720px) {
  .page-contact .attach-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 40px;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-frame {
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    gap: clamp(44px, 5vw, 84px);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .router__link,
  .page-contact .copy-btn,
  .page-contact .site-links__link {
    transition: none;
  }

  .page-contact .router__link:hover,
  .page-contact .copy-btn:hover {
    transform: none;
  }
}