.page-contact {
  --pc-pad: 20px;
  --pc-hero-image-opacity: .34;
  display: block;
  color: var(--text);
  background: var(--ink-0);
}

.page-contact .section[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 54px;
  background:
    radial-gradient(circle at 84% 2%, rgba(122, 59, 255, .42), transparent 58%),
    var(--ink-0);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: var(--pc-hero-image-opacity);
  filter: saturate(1.15) contrast(1.05);
}

.page-contact .contact-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(190deg, rgba(7, 6, 15, .5) 0%, rgba(7, 6, 15, .87) 54%, var(--ink-0) 100%),
    radial-gradient(circle at 10% 90%, rgba(0, 229, 255, .16), transparent 58%);
}

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

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(0, 229, 255, .6);
}

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

.page-contact .contact-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--neon-soft);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 8.2vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-lead {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 客服通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .channel-big {
  display: grid;
  gap: 16px;
}

.page-contact .channel-row {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(142deg, var(--ink-1), var(--ink-2) 84%);
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--neon));
}

.page-contact .channel-row--phone::before {
  background: linear-gradient(180deg, var(--pink), var(--gold));
}

.page-contact .chip-xl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  width: 100%;
  margin: 12px 0 14px;
  padding: 16px 18px;
  border: 1px solid rgba(42, 39, 64, .95);
  border-radius: var(--r-md);
  background: rgba(7, 6, 15, .62);
}

.page-contact .chip-xl .code-text {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 30px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .chip-xl .code-text--phone {
  color: var(--gold);
  letter-spacing: .02em;
  word-break: normal;
}

.page-contact .copy-btn {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--cyan), var(--neon-soft));
  color: #07060F;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -14px rgba(0, 229, 255, .95);
}

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

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

.page-contact .channel-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .status-card,
.page-contact .side-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-1);
}

.page-contact .status-card {
  background: linear-gradient(150deg, rgba(122, 59, 255, .24), var(--ink-1) 72%);
}

.page-contact .status-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .16);
  animation: pc-status-pulse 4s var(--ease) infinite;
}

@keyframes pc-status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(0, 229, 255, .16); }
  50% { box-shadow: 0 0 0 9px rgba(0, 229, 255, .04); }
}

.page-contact .status-title {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .status-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .data-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .tick-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .tick-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-contact .tick-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--pink);
  transform: rotate(45deg);
}

.page-contact .tick-list--num {
  counter-reset: pc-num;
  gap: 14px;
}

.page-contact .tick-list--num li {
  counter-increment: pc-num;
  padding-left: 40px;
}

.page-contact .tick-list--num li::before {
  content: counter(pc-num, decimal-leading-zero);
  top: 3px;
  left: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  transform: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--neon-soft);
}

/* ---------- 分类标签页 ---------- */
.page-contact .topic-tabs {
  margin-top: 26px;
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-contact .tab-btn {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-1);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .tab-btn:hover {
  color: var(--text);
  border-color: rgba(185, 139, 255, .6);
}

.page-contact .tab-btn[aria-selected="true"] {
  color: var(--text);
  border-color: rgba(122, 59, 255, .9);
  background: linear-gradient(120deg, rgba(122, 59, 255, .34), rgba(0, 229, 255, .18));
  box-shadow: var(--shadow-neon);
}

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

.page-contact .tab-panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, var(--ink-1), rgba(18, 16, 31, .55));
}

.page-contact .tab-panel[hidden] {
  display: none;
}

.page-contact .panel-grid {
  display: grid;
  gap: 14px;
}

.page-contact .panel-block {
  padding: 16px 18px;
  border: 1px solid rgba(42, 39, 64, .95);
  border-radius: var(--r-md);
  background: rgba(7, 6, 15, .55);
}

.page-contact .panel-strong {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .panel-block .tick-list {
  margin-top: 14px;
}

/* ---------- 响应时效 ---------- */
.page-contact .sla-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .sla-card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-1);
}

.page-contact .sla-card--gold {
  background: radial-gradient(circle at 100% 0%, rgba(255, 209, 102, .16), transparent 62%), var(--ink-1);
}

.page-contact .sla-card--cyan {
  background: radial-gradient(circle at 100% 0%, rgba(0, 229, 255, .14), transparent 62%), var(--ink-1);
}

.page-contact .sla-card--pink {
  background: radial-gradient(circle at 100% 0%, rgba(255, 79, 163, .16), transparent 62%), var(--ink-1);
}

.page-contact .sla-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-contact .sla-num--xl {
  font-size: clamp(46px, 12vw, 66px);
  color: var(--gold);
}

.page-contact .sla-num--sm {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(185, 139, 255, .45);
  background: rgba(122, 59, 255, .14);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--neon-soft);
}

.page-contact .sla-unit {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .sla-title {
  margin: 18px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .sla-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .sla-tip {
  margin: 18px 0 0;
  padding: 18px 20px;
  border: 1px dashed rgba(122, 59, 255, .6);
  border-radius: var(--r-md);
  background: rgba(122, 59, 255, .08);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 开发者对接 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .partner-card {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-1);
}

.page-contact .partner-card--accent {
  border-color: rgba(255, 79, 163, .38);
  background:
    linear-gradient(152deg, rgba(255, 79, 163, .18), rgba(122, 59, 255, .16) 58%, var(--ink-1));
}

.page-contact .partner-text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .partner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

/* ---------- 站点信息 ---------- */
.page-contact .site-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .site-info-list {
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-1);
}

.page-contact .site-info-list dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .site-info-list dl > div {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .site-info-list dl > div:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-contact .site-info-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .site-info-list dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-contact .site-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 50% 50%, rgba(122, 59, 255, .3), transparent 72%),
    var(--ink-1);
}

.page-contact .site-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 底部引导 ---------- */
.page-contact .contact-cta {
  padding-bottom: 64px;
}

.page-contact .cta-band {
  position: relative;
  overflow: hidden;
  padding: 38px 22px;
  border: 1px solid rgba(122, 59, 255, .45);
  border-radius: var(--r-lg);
  background:
    linear-gradient(116deg, rgba(122, 59, 255, .34), rgba(0, 229, 255, .18) 58%, rgba(255, 79, 163, .22)),
    var(--ink-1);
  text-align: center;
}

.page-contact .cta-band::after {
  content: "";
  position: absolute;
  inset: auto -12% -70% -12%;
  height: 160%;
  background: repeating-linear-gradient(115deg, rgba(232, 230, 245, .06) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-contact .cta-band > * {
  position: relative;
  z-index: 1;
}

.page-contact .cta-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .cta-title {
  margin: 0 auto;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 6vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .cta-text {
  max-width: 56ch;
  margin: 18px auto 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .cta-fineprint {
  margin: 24px auto 0;
  max-width: 60ch;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .cta-fineprint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .cta-fineprint a:hover {
  color: var(--neon-soft);
  border-bottom-color: rgba(185, 139, 255, .7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-row {
    padding: 30px 28px 26px 32px;
  }

  .page-contact .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .panel-block--wide {
    grid-column: 1 / -1;
  }

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

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }

  .page-contact .site-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: stretch;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: 24px;
    margin-top: 34px;
  }

  .page-contact .channel-big {
    gap: 20px;
  }

  .page-contact .channel-side {
    gap: 20px;
  }

  .page-contact .tab-panel {
    padding: 28px 26px;
  }

  .page-contact .sla-grid,
  .page-contact .partner-grid,
  .page-contact .site-grid {
    gap: 22px;
    margin-top: 34px;
  }

  .page-contact .cta-band {
    padding: 56px 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-dot {
    animation: none;
  }

  .page-contact .copy-btn,
  .page-contact .tab-btn,
  .page-contact .breadcrumbs a,
  .page-contact .cta-fineprint a {
    transition: none;
  }

  .page-contact .copy-btn:hover {
    transform: none;
  }
}
<<<END>>>