.page-contact {
  --c-night-line: rgba(201, 210, 227, 0.18);
  --c-cream-dim: rgba(246, 241, 231, 0.76);
  --c-cream-soft: rgba(246, 241, 231, 0.6);
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4vw, 46px) 0 clamp(46px, 7vw, 94px);
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(91, 63, 214, 0.55) 0%, rgba(11, 27, 58, 0) 58%),
    radial-gradient(90% 80% at 8% 110%, rgba(24, 52, 95, 0.92) 0%, rgba(11, 27, 58, 0) 70%),
    var(--deep-space);
  color: var(--paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(201, 210, 227, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201, 210, 227, 0.07) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__crumbs a,
.page-contact .contact-hero__crumbs a:visited {
  color: var(--silver);
  text-decoration: none;
}

.page-contact .contact-hero__crumbs a:hover,
.page-contact .contact-hero__crumbs a:focus-visible {
  color: var(--signal);
}

.page-contact .contact-hero__crumbs .breadcrumbs__current {
  color: var(--c-cream-soft);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .contact-hero__grid > * {
  min-width: 0;
}

.page-contact .contact-hero__lead .index-tag {
  color: var(--signal);
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}

.page-contact .contact-hero .display {
  margin: 16px 0 0;
  font-size: clamp(38px, 6.4vw, 78px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero .display strong {
  font-weight: 700;
  color: #ffffff;
}

.page-contact .contact-hero .lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--c-cream-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-contact .contact-hero__panel {
  position: relative;
  min-width: 0;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--c-night-line);
  background: linear-gradient(180deg, rgba(24, 52, 95, 0.74), rgba(11, 27, 58, 0.52));
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.page-contact .contact-hero__panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 54px;
  height: 2px;
  background: var(--signal);
}

.page-contact .contact-panel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-contact .contact-panel__time {
  margin: 10px 0 0;
  font-size: clamp(22px, 2.8vw, 27px);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .contact-panel__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--c-night-line);
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-cream-dim);
}

.page-contact .contact-panel__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-contact .contact-panel__list .status-dot {
  flex: none;
  margin-top: 6px;
}

.page-contact .contact-panel__meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-night-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-cream-soft);
}

/* ---------- 星轨横带 ---------- */
.page-contact .contact-band {
  background: var(--paper);
  padding: clamp(22px, 3.4vw, 44px) 0 0;
}

.page-contact .contact-band__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-contact .contact-band__figure .media-frame {
  display: block;
  line-height: 0;
}

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

.page-contact .contact-band__figure .figure__caption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--rock);
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-head {
  max-width: 64ch;
}

.page-contact .contact-head .index-tag {
  margin: 0;
  color: var(--clay);
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .contact-head .section-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .contact-head__sub {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 渠道总览 ---------- */
.page-contact .contact-channels {
  background: var(--paper);
  padding-bottom: clamp(40px, 6vw, 82px);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 4vw, 46px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper);
}

.page-contact .channel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .channel__value {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.65;
  color: var(--deep-space);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .channel__note {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock);
}

.page-contact .channel--primary {
  background: var(--orbit-blue);
}

.page-contact .channel--primary .channel__tag {
  color: var(--signal);
}

.page-contact .channel--primary .channel__title,
.page-contact .channel--primary .channel__value {
  color: #ffffff;
}

.page-contact .channel--primary .channel__value {
  border-bottom-color: rgba(201, 210, 227, 0.28);
}

.page-contact .channel--primary .channel__desc {
  color: rgba(246, 241, 231, 0.84);
}

.page-contact .channel--primary .channel__note {
  border-top-color: rgba(201, 210, 227, 0.28);
  color: var(--c-cream-soft);
}

/* ---------- 反馈流程 ---------- */
.page-contact .contact-flow {
  background: linear-gradient(180deg, var(--paper) 0%, #efe9dc 100%);
  padding-bottom: clamp(40px, 6vw, 86px);
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 58px);
}

.page-contact .contact-flow__grid > * {
  min-width: 0;
}

.page-contact .contact-flow__aside .index-tag {
  margin: 0;
  color: var(--clay);
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .contact-flow__aside .section-title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .contact-flow__figure {
  display: block;
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: 1px solid var(--line);
  line-height: 0;
  background: var(--paper);
}

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

.page-contact .contact-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow-step {
  position: relative;
  padding: 0 0 clamp(26px, 3.4vw, 40px) clamp(52px, 7vw, 68px);
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 48px;
  bottom: 4px;
  width: 1px;
  background: rgba(16, 18, 22, 0.16);
}

.page-contact .flow-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
  border: 1px solid rgba(184, 107, 75, 0.5);
  background: var(--paper);
}

.page-contact .flow-step__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-partner {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(91, 63, 214, 0.42), rgba(11, 27, 58, 0) 62%),
    var(--deep-space);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-contact .contact-head--night .index-tag {
  color: var(--signal);
}

.page-contact .contact-head--night .section-title {
  color: var(--paper);
}

.page-contact .contact-head--night .contact-head__sub {
  color: var(--c-cream-dim);
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: 0;
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--c-night-line);
  border-bottom: 1px solid var(--c-night-line);
}

.page-contact .partner {
  min-width: 0;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--c-night-line);
}

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

.page-contact .partner h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .partner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-cream-dim);
}

.page-contact .partner .partner__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}

/* ---------- 快捷入口 ---------- */
.page-contact .contact-paths {
  background: var(--paper);
  padding-bottom: clamp(38px, 5.5vw, 78px);
}

.page-contact .contact-paths__list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .path-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 15.5px;
  line-height: 1.6;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .path-link__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .path-link__go {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--clay);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .path-link:hover,
.page-contact .path-link:focus-visible {
  color: var(--nebula);
  background: rgba(201, 210, 227, 0.22);
}

.page-contact .path-link:hover .path-link__go,
.page-contact .path-link:focus-visible .path-link__go {
  color: var(--signal);
  transform: translateX(5px);
}

.page-contact .path-link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 收束 ---------- */
.page-contact .contact-close {
  background: var(--paper);
  padding-bottom: clamp(46px, 6.5vw, 92px);
}

.page-contact .contact-close__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(22px, 3.2vw, 36px) clamp(20px, 3vw, 40px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  background: rgba(201, 210, 227, 0.26);
}

.page-contact .contact-close__text {
  margin: 0;
  flex: 1 1 320px;
  min-width: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.78;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-channels__grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-paths__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 60px);
  }
}

@media (min-width: 880px) {
  .page-contact .contact-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .partner {
    border-bottom: 0;
    border-left: 1px solid var(--c-night-line);
    padding: clamp(24px, 2.9vw, 36px);
  }

  .page-contact .partner:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .partner:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-contact .contact-channels__grid > :first-child {
    grid-column: auto;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-link,
  .page-contact .path-link__go {
    transition: none;
  }

  .page-contact .path-link:hover .path-link__go,
  .page-contact .path-link:focus-visible .path-link__go {
    transform: none;
  }
}
<<<END>>>