.page-contact {
  --contact-rail: 340px;
  --contact-line: rgba(212, 175, 55, 0.22);
  position: relative;
  padding-top: calc(var(--header-height) + 16px);
  padding-bottom: clamp(56px, 9vw, 104px);
  background: var(--ink);
  color: var(--paper);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 760px;
  background-image:
    repeating-linear-gradient(118deg, rgba(212, 175, 55, 0.075) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(58deg, rgba(39, 225, 232, 0.055) 0 1px, transparent 1px 64px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.45) 52%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.45) 52%, transparent 100%);
  pointer-events: none;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb-wrap {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--gold-light);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--gold);
}

.page-contact .crumb-sep {
  color: rgba(212, 175, 55, 0.5);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  max-width: var(--max-width);
  margin: 20px auto 0;
  min-height: clamp(420px, 56vw, 480px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 34px 80px -46px rgba(212, 175, 55, 0.6);
}

.page-contact .contact-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .contact-hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(104deg, rgba(11, 12, 14, 0.97) 0%, rgba(11, 12, 14, 0.9) 44%, rgba(11, 12, 14, 0.48) 80%, rgba(11, 12, 14, 0.8) 100%),
    linear-gradient(to top, rgba(11, 12, 14, 0.96), rgba(11, 12, 14, 0) 58%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: clamp(34px, 6vw, 62px) clamp(20px, 4.4vw, 52px);
}

.page-contact .contact-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-hero .eyebrow::after {
  content: "";
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 18px;
  max-width: 17ch;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-contact .contact-hero .lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: rgba(244, 241, 234, 0.82);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  list-style: none;
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  padding: clamp(18px, 2.4vw, 22px) 0 0;
  border-top: 1px solid rgba(212, 175, 55, 0.28);
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13.5px;
  color: rgba(244, 241, 234, 0.72);
}

.page-contact .hero-facts .data {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

/* ---------- 栏目索引条 ---------- */
.page-contact .contact-index {
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.09), rgba(39, 225, 232, 0.05) 55%, transparent 100%);
}

.page-contact .contact-index-inner {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 15px clamp(20px, 4vw, 48px);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .contact-index-inner::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-index a {
  flex: 0 0 auto;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.07em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-contact .contact-index a:hover,
.page-contact .contact-index a:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

/* ---------- 主体网格 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4.4vw, 54px);
  max-width: var(--max-width);
  margin: clamp(34px, 5vw, 58px) auto 0;
  padding: 0 clamp(20px, 4vw, 48px);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.2vw, 32px);
  border: 1px solid rgba(212, 175, 55, 0.36);
  border-radius: var(--radius);
  background:
    radial-gradient(132% 102% at 6% 0%, rgba(212, 175, 55, 0.22), transparent 58%),
    linear-gradient(166deg, #1A1D24 0%, var(--panel) 52%, #0D0F12 100%);
  box-shadow: 0 30px 64px -38px rgba(212, 175, 55, 0.62);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -26%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(39, 225, 232, 0.24), transparent 68%);
  pointer-events: none;
}

.page-contact .card-kicker {
  position: relative;
  z-index: 1;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card-title {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .contact-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 15px;
  margin: 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(212, 175, 55, 0.2);
}

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

.page-contact .contact-row dt {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.62;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-row--accent dd {
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}

.page-contact .contact-note {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(212, 175, 55, 0.24);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 信息流 ---------- */
.page-contact .contact-stream {
  display: grid;
  gap: clamp(34px, 4.6vw, 54px);
  min-width: 0;
}

.page-contact .info-block {
  position: relative;
  padding-left: 58px;
}

.page-contact .info-block::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 10px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.55), rgba(39, 225, 232, 0.2) 55%, transparent);
}

.page-contact .info-index {
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .info-block h2 {
  margin: 0 0 15px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.006em;
  color: var(--paper);
}

.page-contact .info-block p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 234, 0.82);
}

.page-contact .info-block p:last-child {
  margin-bottom: 0;
}

/* 渠道卡 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-contact .channel-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  background: linear-gradient(150deg, rgba(24, 27, 33, 0.96), rgba(11, 12, 14, 0.96));
}

.page-contact .channel-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--gold-light);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 234, 0.74);
}

/* 合作数据 */
.page-contact .coop-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .coop-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}

.page-contact .coop-num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-contact .coop-figure {
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-contact .coop-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  background: rgba(11, 12, 14, 0.92);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* 准备清单 */
.page-contact .prep-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .prep-list li {
  position: relative;
  padding: 15px 18px 15px 48px;
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: 10px;
  background: rgba(22, 24, 29, 0.74);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 241, 234, 0.84);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 21px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, var(--gold-light), rgba(212, 175, 55, 0.15));
  transform: rotate(45deg);
}

.page-contact .prep-list strong {
  color: var(--gold-light);
  font-weight: 600;
}

/* 支持路径 */
.page-contact .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .path-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line-cyan);
  border-radius: 12px;
  background: linear-gradient(158deg, rgba(39, 225, 232, 0.08), rgba(22, 24, 29, 0.95) 58%);
  text-decoration: none;
  color: inherit;
  transition: transform 0.26s ease, border-color 0.26s ease, box-shadow 0.26s ease;
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(39, 225, 232, 0.5);
  box-shadow: 0 22px 48px -30px rgba(39, 225, 232, 0.55);
}

.page-contact .path-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .path-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 234, 0.76);
}

.page-contact .path-link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .path-note {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--muted);
}

/* 备案台账 */
.page-contact .ledger {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 12, 14, 0.74);
  overflow: hidden;
}

.page-contact .ledger-row {
  display: grid;
  gap: 5px;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.14);
}

.page-contact .ledger-row:last-child {
  border-bottom: 0;
}

.page-contact .ledger-key {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ledger-val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ledger-val--gold {
  color: var(--gold-light);
  letter-spacing: 0.03em;
}

.page-contact .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 20px;
}

.page-contact .doc-link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 225, 232, 0.42);
  transition: color 0.2s, border-color 0.2s;
}

.page-contact .doc-link:hover,
.page-contact .doc-link:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ledger-row {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 760px) {
  .page-contact .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .info-block {
    padding-left: 0;
  }

  .page-contact .info-block::before {
    display: none;
  }

  .page-contact .info-index {
    position: static;
    display: block;
    margin-bottom: 9px;
    letter-spacing: 0.2em;
  }

  .page-contact .contact-hero {
    min-height: 0;
  }

  .page-contact .hero-facts {
    gap: 10px 20px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(0, var(--contact-rail)) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-height) + 28px);
  }
}
```