.page-contact {
  --c-hair: rgba(201, 162, 39, 0.38);
  --c-hair-soft: rgba(201, 162, 39, 0.16);
  --c-ink-muted: #5B5B63;
  --c-mist-light: rgba(244, 235, 217, 0.74);
  background-color: var(--night);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 6vw, 88px);
  overflow: hidden;
  background:
    radial-gradient(85% 65% at 92% -8%, rgba(14, 46, 78, 0.95), rgba(7, 26, 47, 0) 68%),
    radial-gradient(55% 40% at 4% 104%, rgba(194, 24, 91, 0.24), rgba(7, 26, 47, 0) 72%),
    var(--night);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 20%, var(--gold) 80%, transparent);
  opacity: 0.5;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-hero__eyebrow {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.24em;
  color: var(--gold-lt);
}

.page-contact .contact-hero__title {
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 72px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--c-mist-light);
}

.page-contact .contact-lines {
  display: grid;
  border-bottom: 1px dashed var(--c-hair);
}

.page-contact .contact-line {
  padding: clamp(12px, 1.9vw, 18px) 0;
  border-top: 1px dashed var(--c-hair);
}

.page-contact .contact-line__key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.2em;
  color: var(--gold-lt);
}

.page-contact .contact-line__val {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.18;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-line--mail .contact-line__val {
  font-size: clamp(16px, 4.4vw, 36px);
}

.page-contact .contact-line--tel .contact-line__val {
  font-size: clamp(24px, 6vw, 46px);
  letter-spacing: 0.04em;
}

.page-contact .contact-hero__note {
  max-width: 46ch;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--jade);
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--c-hair);
  border-radius: 2px;
  overflow: hidden;
  background: var(--night-2);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 纸面区域 ---------- */

.page-contact .contact-body {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .contact-body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.8vw, 38px);
  line-height: 1.28;
  color: var(--ink);
}

.page-contact .contact-body .eyebrow {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-contact .contact-body a {
  color: var(--ink);
  text-decoration: none;
  background-image: linear-gradient(var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-size: 58% 1px;
  background-position: 0 100%;
  padding-bottom: 2px;
  transition: background-size 0.25s ease, color 0.2s ease;
}

.page-contact .contact-body a:hover,
.page-contact .contact-body a:focus-visible {
  background-size: 100% 1px;
  color: var(--rose);
}

/* ---------- 三分流 ---------- */

.page-contact .contact-routes {
  padding: clamp(40px, 6vw, 84px) 0 clamp(20px, 3vw, 36px);
}

.page-contact .contact-routes__head {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.page-contact .contact-routes__intro {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--c-ink-muted);
}

.page-contact .contact-routes__grid {
  margin-top: clamp(24px, 3.6vw, 44px);
  display: grid;
  gap: 0;
}

.page-contact .contact-route {
  position: relative;
  border-top: 1px solid var(--c-hair);
  transition: border-color 0.25s ease;
}

.page-contact .contact-route::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.3s ease;
}

.page-contact .contact-route[data-open] {
  border-top-color: var(--gold);
}

.page-contact .contact-route[data-open]::before {
  transform: scaleY(1);
}

.page-contact .contact-route__trigger {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr) 1.4em;
  column-gap: 12px;
  row-gap: 4px;
  width: 100%;
  padding: clamp(18px, 2.4vw, 24px) 0 clamp(16px, 2vw, 20px) clamp(10px, 1.6vw, 18px);
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .contact-route__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .contact-route__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-route__hint {
  grid-column: 2;
  grid-row: 2;
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--c-ink-muted);
}

.page-contact .contact-route__mark {
  grid-column: 3;
  grid-row: 1 / span 2;
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
  margin-top: 8px;
}

.page-contact .contact-route__mark::before,
.page-contact .contact-route__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-contact .contact-route__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-contact .contact-route__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-contact .contact-route[data-open] .contact-route__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .contact-route__body {
  padding: 0 clamp(0px, 1vw, 8px) clamp(20px, 2.6vw, 30px) clamp(10px, 1.6vw, 18px);
  font-size: var(--step-2);
  line-height: 1.85;
  color: var(--c-ink-muted);
}

.page-contact .contact-route__body ul {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-route__body li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.page-contact .contact-route__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-contact .contact-route__body p {
  margin: 0;
}

/* ---------- 来信模板 ---------- */

.page-contact .contact-template {
  padding: clamp(30px, 5vw, 72px) 0;
}

.page-contact .contact-template__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-template__intro {
  display: grid;
  gap: 14px;
  max-width: 640px;
}

.page-contact .contact-template__intro p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--c-ink-muted);
}

.page-contact .contact-note {
  position: relative;
  padding: clamp(22px, 3vw, 34px) clamp(20px, 3vw, 36px) clamp(64px, 5vw, 78px);
  background: #FBF3E2;
  border: 1px solid var(--c-hair);
  border-left: 3px solid var(--gold);
}

.page-contact .contact-note::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 38px 38px 0;
  border-color: transparent #EADFC7 transparent transparent;
}

.page-contact .contact-note__mark {
  position: absolute;
  right: 20px;
  bottom: 18px;
  width: 62px;
  height: 62px;
  max-width: 62px;
  object-fit: contain;
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-note__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.2em;
  color: var(--rose);
}

.page-contact .contact-note__line {
  margin: 0 0 10px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .contact-note__line--head {
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-hair);
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .contact-note__line--tail {
  margin-bottom: 0;
  color: var(--c-ink-muted);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-tempo {
  background: var(--night-2);
  color: var(--paper);
  padding: clamp(36px, 5.5vw, 76px) 0;
  border-top: 1px solid var(--c-hair);
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .contact-tempo__inner {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-tempo__eyebrow {
  color: var(--gold-lt);
}

.page-contact .contact-tempo__title {
  color: var(--white);
}

.page-contact .contact-tempo__figures {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .contact-tempo__stat {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: 10px;
  row-gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .contact-tempo__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(58px, 13vw, 112px);
  line-height: 0.86;
  color: var(--gold-lt);
}

.page-contact .contact-tempo__unit {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  letter-spacing: 0.1em;
  color: var(--paper);
}

.page-contact .contact-tempo__label {
  grid-column: 1 / -1;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-tempo__cell {
  padding-top: 14px;
  border-top: 1px solid var(--c-hair-soft);
}

.page-contact .contact-tempo__cell-key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-tempo__cell-val {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-address {
  padding: clamp(36px, 5.5vw, 76px) 0;
}

.page-contact .contact-address__inner {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-address__main {
  display: grid;
  gap: 12px;
  max-width: 620px;
}

.page-contact .contact-address__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.4vw, 30px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-address__hint {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--c-ink-muted);
}

.page-contact .contact-address__meta {
  margin: 0;
  border-top: 1px solid var(--gold);
}

.page-contact .contact-address__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-hair-soft);
}

.page-contact .contact-address__row dt {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .contact-address__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 去之前先看一眼 ---------- */

.page-contact .contact-before {
  padding: 0 0 clamp(44px, 6vw, 88px);
}

.page-contact .contact-before__head {
  display: grid;
  gap: 12px;
  max-width: 700px;
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-before__head p {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--c-ink-muted);
}

.page-contact .contact-before__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--gold);
}

.page-contact .contact-before__item {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--c-hair-soft);
}

.page-contact .contact-before__link {
  justify-self: start;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-4);
  line-height: 1.3;
}

.page-contact .contact-before__desc {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--c-ink-muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-before__item {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    align-items: baseline;
    column-gap: clamp(16px, 3vw, 40px);
  }

  .page-contact .contact-address__row {
    grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
    align-items: baseline;
    column-gap: 16px;
  }

  .page-contact .contact-tempo__figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 36px);
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.7fr);
    gap: clamp(36px, 5vw, 84px);
  }

  .page-contact .contact-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 44px);
    align-items: start;
  }

  .page-contact .contact-route:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .contact-route:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .contact-template__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .page-contact .contact-tempo__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .page-contact .contact-tempo__figures {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-contact .contact-tempo__stat {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: stretch;
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid var(--c-hair);
    padding-right: clamp(18px, 2.4vw, 32px);
  }

  .page-contact .contact-address__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(36px, 5vw, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-route::before,
  .page-contact .contact-route__mark::before,
  .page-contact .contact-route__mark::after,
  .page-contact .contact-body a {
    transition: none;
  }
}

```