.page-contact {
  --contact-gap: clamp(18px, 2.6vw, 34px);
  --contact-pad: clamp(20px, 3.2vw, 34px);
  --contact-hair: rgba(92, 122, 110, 0.45);
  display: block;
  background: var(--deep);
  color: var(--paper);
  overflow-x: clip;
}

.page-contact .section {
  padding-block: clamp(48px, 6.6vw, 92px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 4vw, 48px) 0 0;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 7vw, 74px);
  line-height: 1.03;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .contact-hero__aside-label {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

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

.page-contact .contact-hero__link {
  display: block;
  padding: 14px 0 14px 18px;
  border-bottom: var(--line) solid var(--contact-hair);
  border-left: 3px solid transparent;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 0.18s var(--ease-out), color 0.18s var(--ease-out),
    padding-left 0.18s var(--ease-out);
}

.page-contact .contact-hero__link:hover,
.page-contact .contact-hero__link:focus-visible {
  border-left-color: var(--cyan);
  color: var(--cyan);
  padding-left: 24px;
}

.page-contact .contact-hero__banner {
  border-top: var(--line-strong) solid var(--ink);
  border-bottom: var(--line-strong) solid var(--ink);
  background: var(--panel);
}

.page-contact .contact-hero__banner img {
  display: block;
  width: 100%;
  height: clamp(190px, 32vw, 420px);
  object-fit: cover;
  filter: saturate(0.86) brightness(0.9);
}

/* ---------- 三条联络方式 ---------- */
.page-contact .contact-routes__title {
  margin: 10px 0 0;
  max-width: 20ch;
}

.page-contact .contact-routes__grid {
  margin-top: clamp(26px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--contact-pad);
  background: var(--panel);
  border: var(--line-strong) solid var(--moss);
  box-shadow: var(--shadow-cyan);
  transition: transform 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-contact .contact-card--a { border-top-color: var(--cyan); }
.page-contact .contact-card--b { border-top-color: var(--amber); }
.page-contact .contact-card--c { border-top-color: var(--clay); }

.page-contact .contact-card__num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(38px, 5.6vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--cyan);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-card__value {
  margin: 0;
  padding: 10px 0;
  font-family: var(--font-data);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.55;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
  border-top: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
}

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

.page-contact .contact-card__meta {
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--moss);
}

.page-contact .contact-merge {
  display: block;
  width: 100%;
  height: clamp(54px, 7vw, 92px);
  margin-top: clamp(24px, 3.6vw, 44px);
}

.page-contact .contact-merge path {
  fill: none;
  stroke: var(--moss);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

/* ---------- 提交准备 ---------- */
.page-contact .contact-prepare {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .contact-prepare__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-prepare__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 18ch;
}

.page-contact .contact-prepare .eyebrow {
  color: var(--clay);
}

.page-contact .checklist {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .checklist__item {
  position: relative;
  padding: 15px 0 15px 42px;
  border-bottom: 1px solid rgba(198, 192, 178, 0.95);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .checklist__item strong {
  font-weight: 700;
}

.page-contact .checklist__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--moss);
  box-shadow: 3px 3px 0 rgba(11, 31, 26, 0.12);
}

.page-contact .contact-prepare__note {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--clay);
}

.page-contact .contact-prepare__actions {
  margin-top: 22px;
}

.page-contact .contact-prepare .btn--ghost {
  color: var(--ink);
  border-color: var(--ink);
}

.page-contact .contact-prepare .btn--ghost:hover,
.page-contact .contact-prepare .btn--ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-prepare__figure {
  margin: 0;
  border: var(--line-strong) solid var(--ink);
  background: #ffffff;
  box-shadow: 8px 8px 0 rgba(11, 31, 26, 0.16);
}

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

.page-contact .contact-prepare__figure .figure__cap {
  display: block;
  padding: 12px 16px;
  border-top: 2px solid var(--ink);
  background: var(--paper);
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

/* ---------- 时间节奏 ---------- */
.page-contact .contact-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
}

.page-contact .contact-rhythm__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.8vw, 40px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.page-contact .contact-rhythm__lede {
  margin: 16px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .contact-rhythm__list {
  margin: 0;
  border-top: 2px solid var(--moss);
}

.page-contact .contact-rhythm__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-rhythm__key {
  font-family: var(--font-data);
  font-size: clamp(15px, 1.7vw, 19px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-contact .contact-rhythm__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-topics__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.8vw, 40px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-contact .contact-topics__grid {
  margin-top: clamp(24px, 3.6vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .topic {
  padding: clamp(20px, 2.8vw, 28px);
  border: 2px solid var(--contact-hair);
  background: linear-gradient(180deg, rgba(18, 48, 38, 0.92), rgba(11, 31, 26, 0.92));
}

.page-contact .topic__label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .topic--a .topic__label { color: var(--cyan); }
.page-contact .topic--b .topic__label { color: var(--amber); }
.page-contact .topic--c .topic__label { color: var(--clay); }

.page-contact .topic__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .topic__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--stone);
}

/* ---------- 站点身份 ---------- */
.page-contact .contact-identity__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(24px, 4vw, 48px);
  background: var(--panel);
  border: var(--line-strong) solid var(--moss);
  box-shadow: var(--shadow-cyan);
}

.page-contact .contact-identity__name {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-identity__text {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

.page-contact .contact-identity__facts {
  margin: 0;
  border-top: 2px solid rgba(87, 242, 198, 0.35);
}

.page-contact .contact-identity__fact {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .contact-identity__key {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-contact .contact-identity__val {
  margin: 0;
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 页尾说明 ---------- */
.page-contact .contact-footnote {
  padding: 0 0 clamp(56px, 7vw, 96px);
  border-top: 1px solid var(--contact-hair);
}

.page-contact .contact-footnote__inner {
  padding-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: 12px;
}

.page-contact .contact-footnote__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .contact-footnote__links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--moss);
}

.page-contact .contact-footnote__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(87, 242, 198, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.18s var(--ease-out), color 0.18s var(--ease-out);
}

.page-contact .contact-footnote__links a:hover,
.page-contact .contact-footnote__links a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-rhythm__row {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 20px;
    align-items: baseline;
    padding: 18px 0;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

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

  .page-contact .contact-card--b { margin-top: clamp(18px, 3.6vw, 52px); }
  .page-contact .contact-card--c { margin-top: clamp(9px, 1.8vw, 26px); }

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

  .page-contact .contact-identity__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-prepare__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .contact-rhythm__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-footnote__inner {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
  }

  .page-contact .contact-footnote__links {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-hero__link,
  .page-contact .contact-footnote__links a {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within {
    transform: none;
  }
}