.page-contact {
  --pc-card-pad: clamp(18px, 2.6vw, 28px);
  --pc-rule: rgba(53, 224, 214, 0.22);
  --pc-rule-soft: rgba(53, 224, 214, 0.10);
  --pc-code: rgba(155, 243, 236, 0.75);
}

.page-contact .breadcrumbs {
  padding-top: clamp(20px, 4vw, 34px);
  font-size: var(--fs-100);
  color: var(--dim);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(58, 46, 92, 0.55) 0%, transparent 62%),
    radial-gradient(90% 70% at 88% 10%, rgba(53, 224, 214, 0.12) 0%, transparent 58%);
}

.page-contact .hero-inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, var(--fs-700));
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .hero-lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: var(--fs-400);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-visual {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pc-rule);
  background: var(--night);
}

.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  filter: saturate(1.05) contrast(1.04);
}

.page-contact .hero-cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 5px 10px;
  font-size: var(--fs-100);
  letter-spacing: 0.14em;
  color: var(--glow);
  background: rgba(6, 13, 26, 0.72);
  border: 1px solid var(--pc-rule);
  border-radius: 999px;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-section {
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, var(--fs-600));
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .section-note {
  margin: 12px 0 0;
  font-size: var(--fs-300);
  color: var(--dim-strong);
}

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--pc-card-pad);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
  opacity: 0.8;
}

.page-contact .channel-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--gold), transparent 78%);
}

.page-contact .channel-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--ember), transparent 78%);
}

.page-contact .channel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .channel-index {
  font-size: var(--fs-500);
  font-weight: 700;
  color: var(--code, var(--glow));
  letter-spacing: 0.04em;
  color: var(--glow);
}

.page-contact .channel-card .card-title {
  margin: 0;
  font-size: var(--fs-500);
  font-weight: 700;
  color: var(--white);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: var(--fs-300);
  line-height: 1.75;
  color: var(--dim-strong);
}

.page-contact .channel-meta {
  display: flex;
  gap: 22px;
  margin: 2px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-rule-soft);
}

.page-contact .channel-meta dt {
  font-size: var(--fs-100);
  color: var(--dim);
}

.page-contact .channel-meta dd {
  margin: 4px 0 0;
  font-size: var(--fs-400);
  color: var(--gold);
}

.page-contact .copy-well {
  padding: 12px 14px;
  font-size: var(--fs-300);
  color: var(--white);
  background: rgba(6, 13, 26, 0.62);
  border: 1px solid var(--pc-rule);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  word-break: break-all;
  user-select: all;
}

.page-contact .channel-card:nth-child(3) .copy-well {
  border-left-color: var(--ember);
}

.page-contact .channel-link {
  margin-top: auto;
  align-self: flex-start;
}

.page-contact .office-hours {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .dot-row {
  display: inline-flex;
  gap: 4px;
}

.page-contact .dot-row i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--slate);
  transition: background 200ms ease, box-shadow 200ms ease;
}

.page-contact .dot-row i:nth-child(-n + 6) {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(53, 224, 214, 0.5);
}

.page-contact .office-hours:hover .dot-row i {
  background: var(--glow);
  box-shadow: 0 0 10px rgba(155, 243, 236, 0.65);
}

.page-contact .hours-label {
  font-size: var(--fs-100);
  color: var(--dim);
  letter-spacing: 0.06em;
}

/* ---------- 工单节奏 ---------- */
.page-contact .ticket-section {
  padding: clamp(40px, 6vw, 76px) 0;
  background: linear-gradient(160deg, rgba(14, 27, 49, 0.9) 0%, rgba(6, 13, 26, 0.4) 70%);
  border-top: 1px solid var(--pc-rule-soft);
  border-bottom: 1px solid var(--pc-rule-soft);
}

.page-contact .ticket-layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .ticket-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, var(--fs-600));
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-contact .ticket-copy > p {
  margin: 16px 0 0;
  max-width: 50ch;
  font-size: var(--fs-300);
  line-height: 1.78;
  color: var(--dim-strong);
}

.page-contact .ticket-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .ticket-steps li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--pc-rule-soft);
}

.page-contact .ticket-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  font-size: var(--fs-200);
  color: var(--ink);
  background: linear-gradient(140deg, var(--glow), var(--cyan));
  border-radius: 50%;
}

.page-contact .ticket-steps h3 {
  margin: 4px 0 6px;
  font-size: var(--fs-400);
  font-weight: 700;
  color: var(--white);
}

.page-contact .ticket-steps p {
  margin: 0;
  font-size: var(--fs-300);
  line-height: 1.72;
  color: var(--dim-strong);
}

.page-contact .ticket-visual {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--pc-rule);
  background: var(--night);
}

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

/* ---------- 办公地址 ---------- */
.page-contact .address-section {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-contact .address-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
}

.page-contact .address-block h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, var(--fs-600));
  font-weight: 800;
  color: var(--white);
}

.page-contact .address-line {
  margin: 14px 0 0;
  font-size: var(--fs-400);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-contact .coord-rule {
  display: flex;
  gap: 6px;
  margin: 20px 0 0;
}

.page-contact .coord-rule span {
  flex: 1;
  height: 1px;
  background: var(--pc-rule);
}

.page-contact .coord-rule span:nth-child(odd) {
  height: 9px;
  background: var(--pc-rule-soft);
}

.page-contact .address-note {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: var(--fs-300);
  line-height: 1.78;
  color: var(--dim-strong);
}

.page-contact .address-side {
  padding: var(--pc-card-pad);
  border-radius: var(--radius);
  align-self: start;
}

.page-contact .address-side .card-title {
  margin: 0;
  font-size: var(--fs-400);
  font-weight: 700;
  color: var(--white);
}

.page-contact .address-side .card-meta {
  margin: 10px 0 0;
  font-size: var(--fs-300);
  color: var(--glow);
}

.page-contact .address-side-text {
  margin: 16px 0 0;
  font-size: var(--fs-300);
  line-height: 1.76;
  color: var(--dim-strong);
}

.page-contact .address-side-text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 合作 ---------- */
.page-contact .partner-section {
  padding: 0 0 clamp(40px, 6vw, 76px);
}

.page-contact .partner-grid {
  display: grid;
  gap: 18px;
}

.page-contact .partner-card {
  padding: var(--pc-card-pad);
  border-radius: var(--radius);
  position: relative;
}

.page-contact .partner-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-size: var(--fs-200);
  color: var(--gold);
  border: 1px solid rgba(245, 197, 66, 0.42);
  border-radius: 50%;
}

.page-contact .partner-card .card-title {
  margin: 14px 0 8px;
  font-size: var(--fs-400);
  font-weight: 700;
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: var(--fs-300);
  line-height: 1.76;
  color: var(--dim-strong);
}

.page-contact .partner-foot {
  margin: 26px 0 0;
  padding: 16px 18px;
  font-size: var(--fs-300);
  line-height: 1.7;
  color: var(--silver);
  border-left: 3px solid var(--nebula);
  background: rgba(58, 46, 92, 0.28);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- 常见场景 ---------- */
.page-contact .scene-section {
  padding: clamp(40px, 6vw, 76px) 0;
  background: linear-gradient(200deg, rgba(58, 46, 92, 0.34) 0%, rgba(6, 13, 26, 0.2) 66%);
  border-top: 1px solid var(--pc-rule-soft);
}

.page-contact .scene-list {
  display: grid;
  gap: 12px;
}

.page-contact .scene-item {
  background: rgba(14, 27, 49, 0.78);
  border: 1px solid var(--pc-rule-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 200ms ease;
}

.page-contact .scene-item[open] {
  border-color: var(--pc-rule);
}

.page-contact .scene-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-400);
  color: var(--white);
}

.page-contact .scene-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .scene-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .scene-item[open] summary::after {
  content: "–";
}

.page-contact .scene-code {
  font-size: var(--fs-100);
  color: var(--gold);
  letter-spacing: 0.08em;
  flex: none;
}

.page-contact .scene-a {
  padding: 0 18px 18px;
}

.page-contact .scene-a p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-rule-soft);
  font-size: var(--fs-300);
  line-height: 1.78;
  color: var(--dim-strong);
}

/* ---------- 星轨入口 ---------- */
.page-contact .orbit-section {
  padding: 0 0 clamp(52px, 7vw, 92px);
}

.page-contact .orbit-inner {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--pc-rule);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 130% at 100% 0%, rgba(53, 224, 214, 0.10) 0%, transparent 60%),
    rgba(14, 27, 49, 0.62);
}

.page-contact .orbit-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 1px dashed var(--pc-rule);
}

.page-contact .orbit-ring::before,
.page-contact .orbit-ring::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--pc-rule-soft);
}

.page-contact .orbit-ring::before {
  inset: 12px;
}

.page-contact .orbit-ring::after {
  inset: -10px;
  border-style: dotted;
  opacity: 0.7;
}

.page-contact .orbit-core {
  font-size: var(--fs-500);
  color: var(--glow);
}

.page-contact .orbit-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, var(--fs-500));
  font-weight: 700;
  color: var(--white);
}

.page-contact .orbit-copy > p {
  margin: 12px 0 0;
  font-size: var(--fs-300);
  line-height: 1.76;
  color: var(--dim-strong);
}

.page-contact .orbit-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .orbit-links a {
  display: block;
  padding: 11px 14px;
  font-size: var(--fs-300);
  color: var(--silver);
  border: 1px solid var(--pc-rule-soft);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.page-contact .orbit-links a:hover,
.page-contact .orbit-links a:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
  background: rgba(53, 224, 214, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 1000px) {
  .page-contact .contact-hero {
    padding-top: clamp(40px, 5vw, 68px);
  }

  .page-contact .hero-inner {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: center;
  }

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

  .page-contact .channel-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-contact .ticket-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .address-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

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

  .page-contact .partner-card:nth-child(2) {
    transform: translateY(18px);
  }

  .page-contact .orbit-inner {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card:nth-child(2),
  .page-contact .partner-card:nth-child(2) {
    transform: none;
  }

  .page-contact .dot-row i,
  .page-contact .orbit-links a,
  .page-contact .scene-item {
    transition: none;
  }
}

.page-contact {
  --code: currentColor;
}