.page-contact {
  --contact-line: rgba(242, 239, 231, .13);
  --contact-line-hi: rgba(242, 239, 231, .26);
  --contact-panel: rgba(27, 32, 38, .72);
  --contact-scan: rgba(56, 224, 176, .09);
  padding-top: clamp(76px, 9vw, 108px);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  letter-spacing: .04em;
  color: var(--c-cream-faint);
}

.page-contact .breadcrumb a {
  color: var(--c-cream-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .breadcrumb a:hover {
  color: var(--c-cream);
  border-bottom-color: var(--c-neon);
}

.page-contact .breadcrumb-sep {
  color: var(--c-blue-soft);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-blue) 0%, var(--c-neon) 58%, var(--c-lemon) 100%);
  opacity: .55;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, var(--contact-scan) 0 1px, transparent 1px 104px);
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .hero-head {
  max-width: 920px;
  padding: clamp(40px, 6vw, 76px) 0 clamp(30px, 4vw, 52px);
}

.page-contact .hero-head .display {
  margin: 14px 0 20px;
  font-size: clamp(1.95rem, 1.2rem + 3.3vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.022em;
}

.page-contact .hero-head .lead {
  max-width: 660px;
  margin: 0;
  color: var(--c-cream-dim);
}

/* 三行联系条 */
.page-contact .channel-stack {
  border-top: 1px solid var(--contact-line-hi);
}

.page-contact .channel-row {
  position: relative;
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--contact-line);
  transition: background-color .3s ease;
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-neon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .35s ease;
}

.page-contact .channel-row:hover {
  background: rgba(31, 78, 140, .1);
}

.page-contact .channel-row:hover::before {
  transform: scaleY(1);
}

.page-contact .channel-key {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-contact .channel-index {
  flex: 0 0 auto;
  padding-top: .42em;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--c-lemon);
}

.page-contact .channel-key-main {
  min-width: 0;
}

.page-contact .channel-name {
  margin: 0 0 6px;
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-contact .channel-use {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--c-cream-faint);
}

.page-contact .channel-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  min-width: 0;
}

.page-contact .channel-copy {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(.94rem, .58rem + 1.7vw, 1.82rem);
  line-height: 1.34;
  letter-spacing: .04em;
  color: var(--c-cream);
  word-break: break-word;
  cursor: text;
  user-select: all;
  transition: color .25s ease;
}

.page-contact .channel-row:hover .channel-copy {
  color: var(--c-lemon);
}

.page-contact .channel-row--phone .channel-copy {
  font-size: clamp(1.32rem, .76rem + 3.2vw, 3rem);
  border-bottom: 1px solid rgba(245, 213, 71, .5);
  padding-bottom: 2px;
}

.page-contact .channel-row--address .channel-copy {
  font-family: var(--font-body);
  font-size: clamp(.92rem, .74rem + .8vw, 1.22rem);
  letter-spacing: .02em;
  max-width: 32ch;
}

.page-contact .channel-hint {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--c-cream-faint);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  white-space: nowrap;
}

.page-contact .channel-arrow {
  position: relative;
  flex: 0 0 auto;
  width: 30px;
  height: 1px;
  margin-left: auto;
  background: var(--c-neon);
  opacity: .32;
  transform: translateX(-6px);
  transition: opacity .3s ease, transform .3s ease;
}

.page-contact .channel-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--c-neon);
  border-right: 1px solid var(--c-neon);
  transform: rotate(45deg);
}

.page-contact .channel-row:hover .channel-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* 受理范围 */
.page-contact .contact-scope {
  padding-top: clamp(60px, 8vw, 108px);
}

.page-contact .scope-grid {
  display: grid;
  gap: clamp(34px, 5vw, 64px);
  margin-top: clamp(30px, 4vw, 52px);
}

.page-contact .scope-copy {
  display: grid;
  gap: clamp(30px, 3.4vw, 46px);
  min-width: 0;
}

.page-contact .scope-block {
  border-left: 2px solid var(--c-blue);
  padding-left: clamp(16px, 2.2vw, 28px);
}

.page-contact .scope-block:nth-child(2) {
  border-left-color: var(--c-orange);
}

.page-contact .scope-block h3 {
  margin: 14px 0 16px;
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--c-cream);
}

.page-contact .check-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--c-cream-dim);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 10px;
  height: 1px;
  background: var(--c-lemon);
}

.page-contact .scope-meta {
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--c-cream-faint);
}

.page-contact .scope-media,
.page-contact .enterprise-media {
  margin: 0;
  min-width: 0;
}

.page-contact .scope-media img {
  aspect-ratio: 3 / 2;
}

.page-contact .enterprise-media img {
  aspect-ratio: 14 / 9;
}

.page-contact .scope-media img,
.page-contact .enterprise-media img {
  width: 100%;
  object-fit: cover;
  border: 1px solid rgba(56, 224, 176, .28);
  background: var(--c-slate);
}

.page-contact .contact-caption {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--c-blue-soft);
  font-size: var(--fs-xs);
  line-height: 1.72;
  color: var(--c-cream-faint);
}

/* 准备信息 */
.page-contact .contact-prep {
  background: var(--c-slate);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .prep-list {
  margin-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--contact-line-hi);
}

.page-contact .prep-item {
  border-bottom: 1px solid var(--contact-line-hi);
}

.page-contact .prep-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "idx name mark"
    "hint hint hint";
  align-items: center;
  gap: 8px 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .prep-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-index {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--c-blue-soft);
}

.page-contact .prep-name {
  grid-area: name;
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--c-cream);
}

.page-contact .prep-hint {
  grid-area: hint;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--c-cream-faint);
}

.page-contact .prep-mark {
  grid-area: mark;
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
}

.page-contact .prep-mark::before,
.page-contact .prep-mark::after {
  content: "";
  position: absolute;
  background: var(--c-blue-soft);
  transition: transform .22s ease, opacity .22s ease, background-color .22s ease;
}

.page-contact .prep-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-contact .prep-mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-contact .prep-item[open] .prep-mark::before {
  background: var(--c-lemon);
}

.page-contact .prep-item[open] .prep-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .prep-body {
  padding: 2px 0 24px;
}

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

.page-contact .prep-points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--c-cream-dim);
}

.page-contact .prep-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 8px;
  height: 1px;
  background: var(--c-neon);
}

/* 企业客户 */
.page-contact .contact-enterprise {
  padding-top: clamp(60px, 8vw, 108px);
}

.page-contact .enterprise-grid {
  display: grid;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.page-contact .enterprise-copy {
  min-width: 0;
}

.page-contact .enterprise-copy > p {
  max-width: 62ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--c-cream-dim);
}

.page-contact .field-list {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .field {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .field-key {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--c-blue-soft);
}

.page-contact .field-value {
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--c-cream-dim);
}

.page-contact .enterprise-note {
  margin: 0 0 28px;
  padding-left: 16px;
  border-left: 1px solid var(--c-moss);
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: var(--c-cream-faint);
}

/* 服务时间 */
.page-contact .contact-hours {
  background: linear-gradient(180deg, rgba(168, 85, 47, .16) 0%, rgba(16, 20, 24, 0) 100%);
  border-top: 1px solid rgba(168, 85, 47, .34);
  padding-top: clamp(56px, 7vw, 96px);
}

.page-contact .hours-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .hours-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: var(--contact-panel);
  border: 1px solid var(--contact-line);
}

.page-contact .hours-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-orange);
}

.page-contact .hours-card:last-child::before {
  background: var(--c-moss);
}

.page-contact .hours-time {
  margin: 20px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.36rem, .92rem + 2vw, 2.1rem);
  letter-spacing: .04em;
  line-height: 1.25;
  color: var(--c-cream);
}

.page-contact .hours-desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.76;
  color: var(--c-cream-dim);
}

.page-contact .hours-foot {
  margin: clamp(26px, 3vw, 38px) 0 0;
  max-width: 68ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--c-cream-faint);
}

/* 收束 */
.page-contact .contact-tail {
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-contact .tail-box {
  position: relative;
  padding: clamp(28px, 4vw, 52px);
  background: var(--contact-panel);
  border: 1px solid var(--contact-line);
}

.page-contact .tail-box::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 96px;
  height: 2px;
  background: var(--c-orange);
}

.page-contact .tail-title {
  margin: 0 0 14px;
  font-size: var(--fs-lg);
  letter-spacing: -.01em;
  color: var(--c-cream);
}

.page-contact .tail-text {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--c-cream-dim);
}

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

.page-contact .tail-refs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--contact-line);
  font-size: var(--fs-xs);
}

.page-contact .tail-refs a {
  color: var(--c-cream-faint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .tail-refs a:hover {
  color: var(--c-cream);
  border-bottom-color: var(--c-neon);
}

.page-contact .tail-legal {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--c-cream-faint);
}

/* 断点 */
@media (max-width: 859px) {
  .page-contact .channel-arrow {
    display: none;
  }
}

@media (min-width: 640px) {
  .page-contact .prep-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 32px;
  }

  .page-contact .field {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .prep-item summary {
    grid-template-columns: 44px 220px minmax(0, 1fr) 24px;
    grid-template-areas: "idx name hint mark";
    gap: 24px;
    padding: 24px 0;
  }

  .page-contact .prep-body {
    padding: 4px 24px 28px 68px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-row {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 920px) {
  .page-contact .scope-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .enterprise-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-row,
  .page-contact .channel-row::before,
  .page-contact .channel-copy,
  .page-contact .channel-arrow,
  .page-contact .prep-mark::before,
  .page-contact .prep-mark::after,
  .page-contact .breadcrumb a,
  .page-contact .tail-refs a {
    transition-duration: .01ms !important;
  }
}
<<<END>>>