.page-contact {
  --contact-rail-w: 330px;
  --contact-gap: clamp(30px, 4vw, 64px);
  --contact-muted: #5A6B78;
  --contact-body: #3A4A56;
}

/* ---------- 顶栏与整体骨架 ---------- */
.page-contact .contact-topbar {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-contact .contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 52px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .contact-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 6vw, 80px);
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-contact .contact-shell {
    grid-template-columns: var(--contact-rail-w) minmax(0, 1fr);
    gap: var(--contact-gap);
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 左侧玻璃联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  background-color: var(--c-night);
  color: #FFFFFF;
  box-shadow: var(--shadow-float);
}

.page-contact .contact-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-contact .contact-card__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11, 43, 34, .68) 0%, rgba(11, 43, 34, .88) 48%, rgba(14, 26, 36, .97) 100%);
}

.page-contact .contact-card__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 3.4vw, 34px) clamp(22px, 3vw, 30px) clamp(26px, 3.6vw, 36px);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: #FFFFFF;
}

.page-contact .contact-card__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .78);
}

.page-contact .contact-list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.page-contact .contact-list__item {
  padding: 15px 0;
  border-top: 1px solid rgba(200, 210, 220, .2);
}

.page-contact .contact-list__item:first-child {
  border-top-color: rgba(255, 106, 19, .58);
}

.page-contact .contact-list__term {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-orange-soft);
}

.page-contact .contact-list__value {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .01em;
  color: #FFFFFF;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__foot {
  margin: 2px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(200, 210, 220, .26);
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .7);
}

/* ---------- 首屏叙事 ---------- */
.page-contact .contact-hero {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-size: clamp(34px, 5.4vw, 62px);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1.06;
  color: var(--c-ink);
}

.page-contact .contact-hero__text {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.78;
  color: var(--contact-body);
}

.page-contact .contact-facts {
  list-style: none;
  margin: 8px 0 0;
  padding: 22px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 18px;
  border-top: 1px solid var(--c-steel);
}

.page-contact .contact-facts__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--c-home);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-facts__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--contact-muted);
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid var(--c-steel);
  min-width: 0;
}

.page-contact .contact-block__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 68ch;
}

.page-contact .contact-block__title {
  margin: 0;
  font-size: clamp(23px, 2.8vw, 33px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--c-ink);
}

.page-contact .contact-block__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--contact-muted);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-contact .channel-card--lead {
    grid-row: span 2;
  }
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-md);
  background: var(--c-mist);
  border: 1px solid var(--c-steel);
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-line);
  box-shadow: var(--shadow-soft);
}

.page-contact .channel-card--lead {
  background: linear-gradient(158deg, #123F30 0%, #0B2B22 100%);
  border-color: rgba(31, 122, 90, .5);
}

.page-contact .channel-card--lead:hover {
  border-color: var(--c-orange);
}

.page-contact .channel-card__tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-home);
}

.page-contact .channel-card--lead .channel-card__tag {
  border-color: rgba(255, 106, 19, .7);
  color: var(--c-orange-soft);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

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

.page-contact .channel-card__value {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--c-home);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-muted);
}

.page-contact .channel-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-home);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card__link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-contact .channel-card--lead .channel-card__title,
.page-contact .channel-card--lead .channel-card__value {
  color: #FFFFFF;
}

.page-contact .channel-card--lead .channel-card__value {
  color: var(--c-orange-soft);
}

.page-contact .channel-card--lead .channel-card__text {
  color: rgba(255, 255, 255, .78);
}

.page-contact .channel-card--lead .channel-card__meta {
  color: rgba(255, 255, 255, .62);
}

/* ---------- 02 沟通要点 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-steel);
}

.page-contact .prep-list__item:first-child {
  padding-top: 4px;
}

.page-contact .prep-list__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 106, 19, .12);
  color: var(--c-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-contact .prep-list__title {
  margin: 4px 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--c-ink);
}

.page-contact .prep-list__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-muted);
}

.page-contact .prep-note {
  margin: 0;
  padding: 16px 18px;
  border-left: 3px solid var(--c-orange);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--c-ash);
  font-size: 15px;
  line-height: 1.76;
  color: var(--contact-body);
}

/* ---------- 03 到访 ---------- */
.page-contact .visit-panel {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-md);
  background: var(--c-ash);
  border: 1px solid var(--c-steel);
}

.page-contact .visit-panel__addr {
  margin: 0;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--c-steel);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: -.005em;
  color: var(--c-night);
}

.page-contact .visit-panel__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .visit-panel__points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--contact-body);
}

.page-contact .visit-panel__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 2px;
  background: var(--c-line);
}

/* ---------- 04 服务范围 ---------- */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 860px) {
  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    gap: 38px;
    align-items: start;
  }
}

.page-contact .region-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .region-copy p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--contact-body);
}

.page-contact .region-copy ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .region-copy li {
  padding-left: 16px;
  border-left: 2px solid var(--c-line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--contact-muted);
}

.page-contact .region-copy li strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 700;
  color: var(--c-ink);
}

/* ---------- 05 站点信息 ---------- */
.page-contact .filing-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-steel);
}

.page-contact .filing-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-steel);
}

@media (min-width: 620px) {
  .page-contact .filing-row {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

.page-contact .filing-row__term {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--contact-muted);
}

.page-contact .filing-row__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--c-ink);
}

.page-contact .filing-row__value--num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-night);
  font-variant-numeric: tabular-nums;
}

.page-contact .filing-row__link {
  color: var(--c-home);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .filing-row__link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 06 常见场景 ---------- */
.page-contact .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

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

.page-contact .scene-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 22px 24px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-steel);
  background: #FFFFFF;
  transition: border-color .2s var(--ease), transform .24s var(--ease);
}

.page-contact .scene-card:hover {
  border-color: var(--c-line);
  transform: translateY(-2px);
}

.page-contact .scene-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--c-ink);
}

.page-contact .scene-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-muted);
}

.page-contact .scene-card__link {
  align-self: flex-start;
  margin-top: 4px;
  padding-bottom: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-home);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .scene-card__link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

/* ---------- 收束备案条 ---------- */
.page-contact .filing-bar {
  margin-top: clamp(40px, 6vw, 76px);
  background: var(--c-night);
  border-top: 3px solid var(--c-orange);
}

.page-contact .filing-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  padding-top: clamp(20px, 3vw, 30px);
  padding-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .filing-bar__num {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .filing-bar__meta {
  position: relative;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .62);
}

@media (min-width: 620px) {
  .page-contact .filing-bar__meta::before {
    content: "";
    position: absolute;
    left: -13px;
    top: 50%;
    width: 1px;
    height: 12px;
    margin-top: -6px;
    background: rgba(31, 122, 90, .8);
  }
}
<<<END>>>