.page-contact {
  --pc-panel: rgba(244, 247, 242, .025);
  --pc-panel-strong: rgba(19, 84, 63, .42);
  --pc-text: rgba(244, 247, 242, .80);
  --pc-text-soft: rgba(244, 247, 242, .66);
  position: relative;
  background:
    radial-gradient(120% 62% at 100% 0%, rgba(19, 84, 63, .58) 0%, rgba(11, 61, 46, 0) 62%),
    var(--pitch);
  color: var(--chalk);
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(44px, 7vw, 88px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--fog);
  margin-bottom: clamp(20px, 3.4vw, 34px);
}

.page-contact .breadcrumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .22s ease, border-color .22s ease;
}

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

.page-contact .breadcrumbs__sep {
  color: rgba(154, 165, 160, .55);
}

.page-contact .breadcrumbs__current {
  color: var(--chalk);
}

/* ---------- 页首 ---------- */
.page-contact .contact-head {
  max-width: 64ch;
  border-left: 2px solid rgba(232, 255, 58, .42);
  padding-left: clamp(14px, 2.4vw, 24px);
}

.page-contact .contact-head .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .contact-head h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: .004em;
  color: var(--chalk);
}

.page-contact .contact-head__lede {
  margin: 16px 0 0;
  font-size: clamp(.96rem, 1.5vw, 1.04rem);
  line-height: 1.78;
  color: var(--pc-text);
  max-width: 58ch;
}

.page-contact .contact-head__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-head__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  font-size: .82rem;
  color: var(--pc-text-soft);
  border: 1px solid var(--line-strong);
  background: rgba(244, 247, 242, .03);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-contact .contact-head__facts .mono {
  color: var(--yellow);
  font-weight: 700;
}

/* ---------- 左右分置骨架 ---------- */
.page-contact .contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 42px);
  margin-top: clamp(30px, 5vw, 56px);
  min-width: 0;
}

/* ---------- 左侧通道 ---------- */
.page-contact .channel-rail {
  min-width: 0;
}

.page-contact .rail-label {
  margin: 0 0 4px;
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--red);
}

.page-contact .channel-card {
  position: relative;
  margin-top: 14px;
  padding: 16px 18px 18px 20px;
  background: linear-gradient(142deg, rgba(19, 84, 63, .92), rgba(11, 61, 46, .70));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--yellow);
}

.page-contact .channel-card--addr::before {
  background: var(--blue);
}

.page-contact .channel-card__key {
  margin: 0 0 8px;
  font-size: .68rem;
  letter-spacing: .24em;
  color: var(--yellow);
}

.page-contact .channel-card--addr .channel-card__key {
  color: var(--blue);
}

.page-contact .channel-card__val {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--chalk);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 0 0 12px;
  font-size: .78rem;
  line-height: 1.62;
  color: var(--pc-text-soft);
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  padding: 7px 12px;
}

.page-contact .channel-card__jump {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 255, 58, .45);
  transition: color .22s ease, border-color .22s ease;
}

.page-contact .channel-card__jump:hover {
  color: var(--yellow-soft);
  border-bottom-color: var(--yellow-soft);
}

/* ---------- 右侧正文 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(28px, 4.2vw, 50px);
  min-width: 0;
}

.page-contact .contact-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3vw, 32px);
  min-width: 0;
}

.page-contact .block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-contact .block-num {
  flex: none;
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--yellow);
}

.page-contact .block-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.9vw, 2rem);
  line-height: 1.16;
  color: var(--chalk);
}

.page-contact .block-lede {
  margin: 14px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--pc-text);
  max-width: 64ch;
}

.page-contact .block-lede--tight {
  margin-top: 24px;
  color: var(--chalk);
}

/* 节奏条 */
.page-contact .pace-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pace-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--yellow);
  background: var(--pc-panel-strong);
}

.page-contact .pace-item__val {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: .01em;
}

.page-contact .pace-item__label {
  font-size: .79rem;
  line-height: 1.55;
  color: var(--pc-text-soft);
}

/* 来信清单 */
.page-contact .ping-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ping-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  background: var(--pc-panel);
  font-size: .89rem;
  line-height: 1.7;
  color: var(--pc-text);
  transition: border-color .24s ease, transform .24s ease;
}

.page-contact .ping-list li:hover {
  border-color: var(--line-strong);
  transform: translateX(3px);
}

.page-contact .ping-list__idx {
  flex: none;
  font-size: .78rem;
  color: var(--blue);
  padding-top: 3px;
}

.page-contact .ping-list__text {
  min-width: 0;
}

/* 图片 */
.page-contact .contact-media {
  margin: clamp(18px, 2.8vw, 28px) 0 0;
}

.page-contact .contact-media__frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  transform: skewY(-1deg);
  transition: transform .38s ease;
}

.page-contact .contact-media__frame:hover {
  transform: skewY(0deg);
}

.page-contact .contact-media__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}

.page-contact .contact-media figcaption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  color: var(--fog);
  letter-spacing: .02em;
}

/* 手风琴 */
.page-contact .disclosure-stack {
  margin-top: 20px;
  display: grid;
  gap: 8px;
}

.page-contact .disclosure {
  border: 1px solid var(--line);
  background: var(--pc-panel);
}

.page-contact .disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--chalk);
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  transition: color .22s ease, background .22s ease;
}

.page-contact .disclosure__trigger:hover {
  color: var(--yellow);
  background: rgba(232, 255, 58, .05);
}

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

.page-contact .disclosure__icon {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--yellow);
  transition: transform .26s ease;
}

.page-contact .disclosure__trigger[aria-expanded="true"] .disclosure__icon {
  transform: rotate(45deg);
}

.page-contact .disclosure__panel {
  padding: 0 16px 16px;
}

.page-contact .disclosure__panel p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--pc-text);
}

/* 地址两栏 */
.page-contact .visit-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .visit-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(27, 42, 36, .82), rgba(11, 61, 46, .40));
}

.page-contact .visit-card__key {
  margin: 0 0 8px;
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--yellow);
}

.page-contact .visit-card__text {
  margin: 0;
  font-size: .89rem;
  line-height: 1.72;
  color: var(--pc-text);
}

/* 知识中心指引 */
.page-contact .guide-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .guide-link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 4px 14px;
  padding: 15px 18px;
  border: 1px solid var(--line-strong);
  background: rgba(19, 84, 63, .28);
  text-decoration: none;
  color: var(--chalk);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 13px), calc(100% - 13px) 100%, 0 100%);
  transition: transform .28s ease, border-color .28s ease, background .28s ease;
}

.page-contact .guide-link:hover {
  transform: translateY(-3px) skewX(-.7deg);
  border-color: var(--yellow);
  background: rgba(19, 84, 63, .52);
}

.page-contact .guide-link__arrow {
  grid-row: 1 / span 2;
  width: 22px;
  height: 22px;
  color: var(--yellow);
  transition: transform .28s ease;
}

.page-contact .guide-link:hover .guide-link__arrow {
  transform: translateX(4px);
}

.page-contact .guide-link__title {
  font-family: var(--font-head);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: .01em;
  min-width: 0;
}

.page-contact .guide-link__desc {
  font-size: .81rem;
  line-height: 1.6;
  color: var(--pc-text-soft);
  min-width: 0;
}

/* ---------- 底部条 ---------- */
.page-contact .contact-foot {
  margin-top: clamp(34px, 5.4vw, 60px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
}

.page-contact .contact-foot__note {
  flex: 1 1 300px;
  margin: 0;
  font-size: .79rem;
  line-height: 1.68;
  color: var(--fog);
}

.page-contact .contact-foot__icp {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--fog);
}

.page-contact .to-top {
  flex: none;
  padding: 8px 15px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--chalk);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: color .24s ease, border-color .24s ease, background .24s ease;
}

.page-contact .to-top:hover {
  color: var(--ink);
  background: var(--yellow);
  border-color: var(--yellow);
}

.page-contact .to-top:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pace-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .visit-grid,
  .page-contact .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .channel-rail {
    position: sticky;
    top: 104px;
  }

  .page-contact .contact-head {
    max-width: 72ch;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-media__frame,
  .page-contact .guide-link,
  .page-contact .guide-link__arrow,
  .page-contact .ping-list li,
  .page-contact .disclosure__icon {
    transition: none;
  }

  .page-contact .contact-media__frame {
    transform: none;
  }

  .page-contact .guide-link:hover {
    transform: none;
  }

  .page-contact .ping-list li:hover {
    transform: none;
  }
}
<<<END>>>