.page-contact {
  --pc-line: 1px solid rgba(143, 160, 191, 0.16);
  --pc-line-gold: 1px solid rgba(138, 106, 52, 0.42);
  --pc-panel-pad: clamp(20px, 3vw, 34px);
  background: var(--deep-space);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .crumb-link {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-contact .crumb-link:hover,
.page-contact .crumb-link:focus-visible {
  color: var(--gold);
}

.page-contact .crumb-sep {
  color: rgba(143, 160, 191, 0.5);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(28px, 5vw, 60px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 8% -20% auto -10%;
  height: 1px;
  background: var(--beam);
  opacity: 0.45;
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__copy {
  max-width: 660px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 7.2vw, 62px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 800;
}

.page-contact .contact-hero__lede {
  margin-top: 20px;
  max-width: 40rem;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-contact .contact-hero__media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  border: var(--pc-line-gold);
  overflow: hidden;
}

.page-contact .contact-hero__media img,
.page-contact .contact-address__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(32px, 4vw, 48px);
}

.page-contact .contact-stream {
  min-width: 0;
}

.page-contact .contact-channel {
  margin-top: 22px;
  padding: var(--pc-panel-pad);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-channel .panel-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 18px;
  align-items: start;
}

.page-contact .contact-channel .tagrow {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-value {
  margin: 22px 0 0;
  font-size: clamp(17px, 3.4vw, 25px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-value--address {
  font-size: clamp(15px, 2.6vw, 19px);
  color: #DDE4F0;
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 20px;
}

.page-contact .copy-btn {
  appearance: none;
  cursor: pointer;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(232, 180, 92, 0.45);
  background: rgba(232, 180, 92, 0.08);
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(232, 180, 92, 0.18);
  border-color: var(--gold);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .copy-btn[data-copied] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--deep-space);
}

.page-contact .contact-address__media {
  margin-top: 24px;
  aspect-ratio: 12 / 7;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--pc-line);
}

/* ---------- 右侧固定信息卡 ---------- */
.page-contact .contact-aside {
  min-width: 0;
}

.page-contact .side-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px) clamp(20px, 3vw, 28px);
  border-radius: var(--radius-lg);
  border: var(--pc-line-gold);
  background: linear-gradient(178deg, var(--star-indigo) 0%, rgba(8, 18, 38, 0.94) 100%);
  box-shadow: var(--glow);
}

.page-contact .side-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 34px;
  bottom: 34px;
  width: 3px;
  border-radius: 3px;
  background: repeating-linear-gradient(180deg, rgba(143, 160, 191, 0.55) 0 2px, transparent 2px 9px);
}

.page-contact .side-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .side-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .side-list li {
  display: grid;
  gap: 5px;
}

.page-contact .side-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-contact .side-value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .side-rule {
  display: block;
  margin: 22px 0;
}

.page-contact .side-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .side-cta {
  display: inline-flex;
  margin-top: 22px;
}

/* ---------- 通道对照表 ---------- */
.page-contact .routing-scroll {
  margin-top: clamp(24px, 3vw, 36px);
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: var(--pc-line);
  -webkit-overflow-scrolling: touch;
}

.page-contact .routing {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .routing thead th {
  text-align: left;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--slate);
  text-transform: uppercase;
  border-bottom: var(--pc-line-gold);
  background: rgba(27, 36, 82, 0.55);
}

.page-contact .routing tbody th,
.page-contact .routing tbody td {
  text-align: left;
  padding: 18px;
  border-bottom: var(--pc-line);
  vertical-align: top;
}

.page-contact .routing tbody tr:last-child th,
.page-contact .routing tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .routing tbody th {
  font-weight: 500;
  color: var(--paper);
  width: 40%;
}

.page-contact .routing tbody td {
  color: var(--slate);
}

.page-contact .routing tbody tr:hover th,
.page-contact .routing tbody tr:hover td {
  background: rgba(232, 180, 92, 0.05);
}

.page-contact .routing-note {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .inline-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 92, 0.4);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 邮件写法 ---------- */
.page-contact .compose-grid {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-contact .compose-card {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-lg);
  border: var(--pc-line);
  background: linear-gradient(160deg, rgba(15, 34, 68, 0.92), rgba(8, 18, 38, 0.92));
}

.page-contact .compose-card .card-title {
  margin: 0 0 18px;
}

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

.page-contact .compose-list li {
  font-size: 14px;
  line-height: 1.65;
  color: var(--slate);
  padding-left: 16px;
  position: relative;
}

.page-contact .compose-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.8;
}

.page-contact .compose-list li.mono {
  color: #DDE4F0;
  font-size: 13.5px;
  overflow-wrap: anywhere;
}

.page-contact .compose-list--plain li {
  color: #DDE4F0;
  font-size: 15px;
}

.page-contact .compose-tip {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: flex-start;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--gold);
  background: rgba(74, 18, 38, 0.4);
}

.page-contact .compose-tip__tag {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid rgba(232, 180, 92, 0.5);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
}

.page-contact .compose-tip p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 15px;
  line-height: 1.8;
  color: #DDE4F0;
}

/* ---------- 回复节奏 ---------- */
.page-contact .response-panel {
  padding: clamp(24px, 4vw, 46px);
  border-radius: var(--radius-lg);
}

.page-contact .response-grid {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 1px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(143, 160, 191, 0.16);
}

.page-contact .response-stat {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px);
  background: rgba(8, 18, 38, 0.72);
}

.page-contact .response-stat .stat-value {
  font-size: clamp(26px, 4.4vw, 36px);
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .response-stat .stat-label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .response-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
  max-width: 52rem;
}

/* ---------- 站点信息 ---------- */
.page-contact .siteinfo-shell {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-contact .siteinfo-copy .section-title {
  margin-top: 12px;
}

.page-contact .siteinfo-copy .lede {
  margin-top: 14px;
}

.page-contact .meta-list {
  margin: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(143, 160, 191, 0.16);
}

.page-contact .meta-row {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(15, 34, 68, 0.78);
}

.page-contact .meta-row dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-contact .meta-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-hero__media {
    aspect-ratio: 5 / 4;
  }

  .page-contact .response-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .siteinfo-shell {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-contact .meta-row {
    grid-template-columns: minmax(0, 130px) minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: clamp(40px, 4.5vw, 64px);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 118px;
  }
}

@media (max-width: 519px) {
  .page-contact .contact-channel .panel-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .contact-channel .tagrow {
    grid-column: 1;
  }

  .page-contact .contact-hero__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .crumb-link,
  .page-contact .inline-link {
    transition: none;
  }

  .page-contact .contact-hero::after {
    transform: none;
  }
}
<<<END>>>