.page-contact {
  --ct-gap: clamp(18px, 3vw, 34px);
  --ct-muted: rgba(29, 29, 27, .74);
  --ct-faint: rgba(29, 29, 27, .58);
  background-color: var(--mist);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 31px,
    rgba(29, 29, 27, .035) 31px 32px
  );
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .contact-crumbs {
  padding-top: 18px;
  padding-bottom: 2px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-frame {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--line-strong);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .62);
}

.page-contact .contact-frame::before,
.page-contact .contact-frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--ochre);
  pointer-events: none;
  z-index: 2;
}

.page-contact .contact-frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-frame::after {
  bottom: -2px;
  right: -2px;
  border-left: 0;
  border-top: 0;
}

.page-contact .contact-frame__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 9px clamp(14px, 2.4vw, 24px);
  background: var(--deep);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .contact-frame__folio {
  color: var(--lake-soft);
  font-weight: 700;
  letter-spacing: .16em;
}

.page-contact .contact-frame__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .contact-frame__meta {
  color: rgba(244, 241, 234, .74);
}

.page-contact .contact-frame__body {
  padding: clamp(22px, 4vw, 44px) clamp(16px, 3.6vw, 40px) 0;
}

.page-contact .contact-h1 {
  margin: 12px 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.8vw, 3.05rem);
  line-height: 1.2;
  letter-spacing: -.018em;
  color: var(--ink);
  text-wrap: balance;
}

.page-contact .contact-lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 16.5px);
  color: var(--ct-muted);
}

/* ---------- 三张渠道卡 ---------- */
.page-contact .chan-list {
  list-style: none;
  margin: 0;
  padding: clamp(20px, 3.4vw, 36px) clamp(16px, 3.6vw, 40px) clamp(26px, 4vw, 42px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .chan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 18px 22px;
  background: var(--mist);
  border: 1px solid var(--line-strong);
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--ochre);
}

.page-contact .chan--lake::before {
  background: var(--lake);
}

.page-contact .chan--tea::before {
  background: var(--tea);
}

.page-contact .chan--glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-contact .chan__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--ochre-deep);
}

.page-contact .chan--lake .chan__label {
  color: var(--lake);
}

.page-contact .chan--tea .chan__label {
  color: var(--tea);
}

.page-contact .chan__value {
  margin: 0;
  padding: 6px 9px;
  font-size: clamp(14px, 2vw, 16.5px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--ink);
  background: var(--paper);
  border-left: 2px solid currentColor;
  overflow-wrap: anywhere;
}

.page-contact .chan__desc {
  margin: 0;
  font-size: 14px;
  color: var(--ct-muted);
  flex: 1 1 auto;
}

.page-contact .chan__copy {
  align-self: flex-start;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-contact .chan__hint {
  font-size: 11.5px;
  letter-spacing: .02em;
  opacity: .9;
}

/* ---------- 通用分割区 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-h2 {
  position: relative;
  margin: 0 0 14px;
  padding-left: 34px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  line-height: 1.28;
  letter-spacing: -.012em;
  color: var(--ink);
}

.page-contact .contact-h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 22px;
  height: 3px;
  background: var(--ochre);
}

.page-contact .contact-sub {
  margin: 0 0 6px;
  max-width: 62ch;
  font-size: 14.8px;
  color: var(--ct-muted);
}

/* ---------- 时效清单 ---------- */
.page-contact .time-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .time-list li {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 12px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14.6px;
  color: var(--ct-muted);
}

.page-contact .time-key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lake);
  padding-top: 3px;
}

/* ---------- 图片容器 ---------- */
.page-contact .contact-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  overflow: hidden;
}

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

.page-contact .contact-media .media__cap {
  padding: 10px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ct-faint);
  border-top: 1px solid var(--line);
  background: var(--mist);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .prep-head .contact-h2 {
  margin-bottom: 10px;
}

.page-contact .prep-list {
  border-top: 1px solid var(--line-strong);
}

.page-contact .prep {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 6px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background-color .18s var(--ease);
}

.page-contact .prep:hover {
  background: rgba(168, 68, 42, .055);
}

.page-contact .prep__box {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 5px 0 0;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--mist);
  cursor: pointer;
  position: relative;
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .prep__box:checked {
  background: var(--tea);
  border-color: var(--tea);
}

.page-contact .prep__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .prep__box:focus-visible {
  outline: 2px solid var(--lake);
  outline-offset: 2px;
}

.page-contact .prep__num {
  flex: none;
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ochre);
}

.page-contact .prep__body {
  display: block;
  flex: 1 1 auto;
}

.page-contact .prep__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-contact .prep__desc {
  display: block;
  margin-top: 4px;
  font-size: 14.2px;
  line-height: 1.68;
  color: var(--ct-muted);
}

/* ---------- 合作分类 ---------- */
.page-contact .coop-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .coop {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 18px 20px;
  background: var(--mist);
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--tea);
}

.page-contact .coop--ochre {
  border-top-color: var(--ochre);
}

.page-contact .coop--indigo {
  border-top-color: var(--indigo);
}

.page-contact .coop__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--tea);
}

.page-contact .coop--ochre .coop__label {
  color: var(--ochre);
}

.page-contact .coop--indigo .coop__label {
  color: var(--indigo);
}

.page-contact .coop__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.36;
  letter-spacing: -.008em;
  color: var(--ink);
}

.page-contact .coop__desc {
  margin: 0;
  font-size: 14.2px;
  color: var(--ct-muted);
  flex: 1 1 auto;
}

.page-contact .coop__to {
  margin: 0;
  font-size: 12.5px;
  color: var(--lake);
  overflow-wrap: anywhere;
}

.page-contact .coop__subj {
  margin: 0;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ochre-deep);
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  overflow-wrap: anywhere;
}

/* ---------- 地址块 ---------- */
.page-contact .addr {
  margin-top: 18px;
  padding: clamp(16px, 2.6vw, 24px);
  background: var(--paper);
  border: 1px solid var(--line-strong);
}

.page-contact .addr__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-strong);
  font-size: 14.4px;
  color: var(--ct-muted);
  overflow-wrap: anywhere;
}

.page-contact .addr__row--last {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .addr__key {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--lake);
}

/* ---------- 收尾深色块 ---------- */
.page-contact .contact-close {
  padding: clamp(26px, 4vw, 48px);
  background: var(--deep);
  color: var(--mist);
  border-top: 4px solid var(--ochre);
}

.page-contact .contact-h2--light {
  color: var(--mist);
  padding-left: 34px;
}

.page-contact .contact-h2--light::before {
  background: var(--lake-soft);
}

.page-contact .contact-close > p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  color: rgba(244, 241, 234, .82);
}

.page-contact .contact-close__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-close__ghost {
  color: var(--mist);
  border-color: rgba(244, 241, 234, .45);
}

.page-contact .contact-close__aside {
  margin-top: 16px;
  font-size: 13.5px;
  color: rgba(244, 241, 234, .68);
}

.page-contact .contact-close__aside a {
  color: var(--lake-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 底部法务行 ---------- */
.page-contact .contact-legal {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 22px;
  font-size: 12.8px;
  color: var(--ct-faint);
}

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

.page-contact .contact-legal .mono {
  letter-spacing: .02em;
}

.page-contact .contact-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-legal__links a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 110, 122, .35);
}

.page-contact .contact-legal__links a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 420px) {
  .page-contact .contact-frame__meta {
    display: none;
  }

  .page-contact .contact-h2 {
    padding-left: 28px;
  }

  .page-contact .contact-h2::before {
    width: 18px;
  }

  .page-contact .time-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-contact .time-key {
    padding-top: 0;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .chan-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-contact .addr__row {
    grid-template-columns: 72px 1fr;
    gap: 14px;
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-split {
    grid-template-columns: 5fr 7fr;
    gap: clamp(26px, 4vw, 52px);
  }

  .page-contact .contact-split--rev {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .prep-wrap {
    grid-template-columns: 4fr 8fr;
    gap: clamp(26px, 4vw, 56px);
  }

  .page-contact .prep-head .contact-h2 {
    padding-left: 0;
  }

  .page-contact .prep-head .contact-h2::before {
    position: static;
    display: block;
    width: 28px;
    margin-bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep,
  .page-contact .prep__box {
    transition: none;
  }
}
<<<END>>>