.page-contact {
  --contact-pad: clamp(52px, 8vw, 104px);
  --contact-gap: clamp(26px, 4vw, 56px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(40px, 7vw, 88px) clamp(48px, 7vw, 92px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 78%);
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(680px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 91, 255, 0.28) 0%, rgba(54, 224, 232, 0.09) 42%, transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .contact-hero-copy h1 {
  margin: 14px 0 0;
  font-size: var(--fs-h1);
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 15ch;
}

.page-contact .contact-hero-copy .t-lead {
  margin-top: 22px;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.8;
}

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

.page-contact .hero-footnote {
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 坐标卡 ---------- */
.page-contact .coord-card {
  position: relative;
  padding: clamp(22px, 3.2vw, 34px);
  background: linear-gradient(158deg, var(--panel) 0%, var(--ink-800) 68%, var(--ink-900) 100%);
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(54, 224, 232, 0.16);
}

.page-contact .coord-card::before,
.page-contact .coord-card::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.7;
}

.page-contact .coord-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.page-contact .coord-card::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 1px 1px 0;
}

.page-contact .coord-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .coord-card-head h2 {
  flex: 1;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .coord-list {
  margin: 0;
  padding: 0;
}

.page-contact .coord-row {
  display: grid;
  gap: 6px;
  padding-block: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .coord-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .coord-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 15px);
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .coord-row dd a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(54, 224, 232, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .coord-row dd a:hover,
.page-contact .coord-row dd a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .coord-coords {
  margin: 18px 0 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

/* ---------- 渠道 ---------- */
.page-contact .channels h2,
.page-contact .triage h2,
.page-contact .prep h2,
.page-contact .partner h2,
.page-contact .locate h2 {
  margin: 12px 0 0;
  font-size: var(--fs-h2);
  line-height: 1.18;
  letter-spacing: -0.03em;
  max-width: 20ch;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--line);
}

.page-contact .channel {
  display: grid;
  gap: 10px;
  padding-block: clamp(22px, 3.4vw, 34px);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-value a {
  color: var(--text);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-size: 0% 1px;
  background-position: 0 100%;
  transition: background-size 0.3s var(--ease), color 0.2s var(--ease);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  color: var(--cyan);
  background-size: 100% 1px;
}

.page-contact .channel-note {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 工单与响应 ---------- */
.page-contact .triage {
  background: var(--ink-800);
  border-block: 1px solid var(--line);
}

.page-contact .triage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: center;
}

.page-contact .triage-copy p {
  margin-top: 16px;
  max-width: 58ch;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-contact .triage-figure {
  margin: 0;
  border: 1px solid var(--line);
}

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

.page-contact .flow {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 30px);
  margin: clamp(38px, 5vw, 58px) 0 0;
  padding: 0;
}

.page-contact .flow-step {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(54, 224, 232, 0.14);
}

.page-contact .flow-num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .flow-step h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .prep-head .t-muted {
  margin-top: 16px;
  max-width: 48ch;
  line-height: 1.85;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding-block: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cobalt);
  padding-top: 3px;
}

.page-contact .prep-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作咨询 ---------- */
.page-contact .partner {
  background: var(--ink-800);
  border-block: 1px solid var(--line);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .partner-copy p {
  margin-top: 16px;
  max-width: 58ch;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .partner-note {
  padding-left: 14px;
  border-left: 2px solid var(--cobalt);
  font-size: 14px;
}

.page-contact .partner-copy .btn {
  margin-top: 26px;
}

.page-contact .partner-panel {
  padding: clamp(22px, 3.2vw, 34px);
  border: 1px solid var(--line);
  background: rgba(17, 26, 46, 0.6);
}

.page-contact .partner-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .partner-tags li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 6px 11px;
  color: var(--cyan);
  border: 1px solid rgba(54, 224, 232, 0.32);
}

.page-contact .partner-panel .rule {
  margin: 24px 0 14px;
}

.page-contact .partner-cap {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

/* ---------- 重庆落点 ---------- */
.page-contact .locate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  align-items: center;
}

.page-contact .locate-copy p {
  margin-top: 16px;
  max-width: 56ch;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .locate-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .locate-fact {
  display: grid;
  gap: 4px;
}

.page-contact .locate-num {
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .locate-label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .locate-figure {
  margin: 0;
  position: relative;
}

.page-contact .locate-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .locate-caption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 18px;
  padding-top: 14px;
  font-size: 12px;
}

.page-contact .locate-caption .t-mono {
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .locate-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(40px, 6vw, 70px);
  border-top: 1px solid var(--line);
}

.page-contact .locate-link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.25s var(--ease);
}

.page-contact .locate-link .t-mono {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .locate-link:hover,
.page-contact .locate-link:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 0;
  }

  .page-contact .channel {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding-right: 24px;
  }

  .page-contact .channel + .channel {
    padding-left: 24px;
  }

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

  .page-contact .locate-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-contact .coord-card {
    margin-top: 18px;
  }

  .page-contact .triage-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .prep-list {
    margin-top: 6px;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-contact .locate-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.96fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-value a,
  .page-contact .locate-link,
  .page-contact .coord-row dd a {
    transition: none;
  }

  .page-contact .locate-link:hover,
  .page-contact .locate-link:focus-visible {
    padding-left: 0;
  }
}
<<<PAGE_CSS_END>>>