.page-contact {
  --pc-card-bg: rgba(10, 18, 41, .86);
  --pc-hair: rgba(244, 241, 232, .16);
  display: block;
  background: var(--indigo-900);
  color: var(--bone);
  overflow-x: clip;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
}

.page-contact .eyebrow {
  color: var(--gold);
}

.page-contact .section--bone {
  color: var(--ink);
}

.page-contact .block-head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .block-head h2 {
  margin: 10px 0 0;
}

.page-contact .block-lede {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .section--bone .eyebrow {
  color: var(--clay);
}

.page-contact .section--bone .block-lede {
  color: var(--ink-soft);
}

/* ---------- 首屏：联络卡片矩阵 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 0 0 clamp(44px, 6vw, 88px);
  border-bottom: 1px solid var(--line-dark);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(20, 80, 200, .42), transparent 62%),
    linear-gradient(180deg, var(--indigo-850), var(--indigo-900));
}

.page-contact .hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .hero-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: grayscale(.45) contrast(1.15) brightness(.72);
}

.page-contact .hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 21, 51, .58) 0%, rgba(11, 21, 51, .9) 58%, var(--indigo-900) 100%);
}

.page-contact .hero-inner {
  position: relative;
  padding-top: clamp(24px, 3.6vw, 44px);
}

.page-contact .hero-inner .breadcrumb {
  margin-bottom: clamp(30px, 5vw, 60px);
}

.page-contact h1 {
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-contact .hero-lede {
  max-width: 58ch;
  margin-top: 20px;
  color: var(--text-dim);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(36px, 5.5vw, 68px);
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--pc-card-bg);
  transition: background var(--dur-base) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-bright), var(--lime));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--indigo-800);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  transform: scaleX(1);
}

.page-contact .channel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .channel-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.page-contact .channel-card .copy-btn {
  min-height: 44px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bone);
  background: transparent;
  border: 1px solid var(--hair, rgba(244, 241, 232, .3));
  border-radius: 0;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.page-contact .channel-card .copy-btn:hover {
  color: var(--indigo-900);
  background: var(--lime);
  border-color: var(--lime);
}

/* ---------- 事项分流 ---------- */

.page-contact .routing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-contact .routing-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .routing-num {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--clay);
}

.page-contact .routing-body h3 {
  margin: 0 0 8px;
}

.page-contact .routing-body p {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .routing-to {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.page-contact .routing-to .mono {
  font-size: 13.5px;
  color: var(--blue);
  overflow-wrap: anywhere;
}

.page-contact .routing-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}

.page-contact .routing-link::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease);
}

.page-contact .routing-link:hover {
  color: var(--indigo-700);
}

.page-contact .routing-link:hover::after {
  transform: translateX(4px);
}

/* ---------- 响应流程 ---------- */

.page-contact .flow-section {
  background: linear-gradient(180deg, var(--indigo-900), var(--indigo-850));
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

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

.page-contact .flow-step {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--indigo-850);
  transition: background var(--dur-base) var(--ease);
}

.page-contact .flow-step:hover {
  background: var(--indigo-800);
}

.page-contact .flow-num {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-contact .flow-step h3 {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .hours-panel {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-dark);
  background: rgba(20, 34, 78, .45);
}

.page-contact .hours-panel .eyebrow {
  margin: 0;
  color: var(--moss);
}

.page-contact .hours-scale {
  display: block;
  width: 100%;
  height: auto;
  margin: 16px 0 10px;
}

.page-contact .hs-band {
  fill: rgba(182, 255, 59, .13);
}

.page-contact .hs-axis {
  stroke: rgba(244, 241, 232, .32);
  stroke-width: 1;
}

.page-contact .hs-tick {
  stroke: var(--lime);
  stroke-width: 1;
}

.page-contact .hs-label {
  fill: rgba(244, 241, 232, .62);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

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

.page-contact .mail-tips {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-dark);
}

.page-contact .mail-tips h3 {
  margin: 0;
  color: var(--paper);
}

.page-contact .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-contact .tip-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 10px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 帮助中心前置 ---------- */

.page-contact .help-first {
  background:
    linear-gradient(115deg, rgba(182, 255, 59, .1), rgba(11, 21, 51, 0) 58%),
    var(--indigo-850);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .help-copy {
  border-left: 3px solid var(--lime);
  padding-left: clamp(16px, 3vw, 32px);
  max-width: 70ch;
}

.page-contact .help-copy h2 {
  margin: 10px 0 0;
}

.page-contact .help-copy p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 合作与反馈 ---------- */

.page-contact .connect-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-contact .connect-card {
  padding: clamp(20px, 3vw, 34px);
  background: var(--paper);
}

.page-contact .connect-card--alt {
  background: var(--bone);
}

.page-contact .connect-card h3 {
  margin: 0 0 10px;
}

.page-contact .connect-card p {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .connect-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
}

.page-contact .connect-mail .mono {
  font-size: 14px;
  color: var(--blue);
  overflow-wrap: anywhere;
}

.page-contact .connect-mail .copy-btn {
  min-height: 44px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-light);
  border-radius: 0;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .connect-mail .copy-btn:hover {
  color: var(--paper);
  background: var(--blue);
  border-color: var(--blue);
}

.page-contact .order-strip {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}

.page-contact .order-strip li {
  padding: 18px clamp(16px, 2.4vw, 24px);
  background: var(--bone);
}

.page-contact .order-strip .mono {
  display: block;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--moss);
}

.page-contact .order-strip p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 地址与到访 ---------- */

.page-contact .address {
  background:
    linear-gradient(118deg, rgba(184, 107, 75, .3), rgba(89, 96, 110, .18) 55%, rgba(111, 127, 90, .2)),
    var(--indigo-900);
  border-top: 1px solid var(--line-dark);
}

.page-contact .address-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .address-copy h2 {
  margin: 10px 0 0;
}

.page-contact .address-text {
  margin: 22px 0 0;
  font-size: clamp(14.5px, 1.9vw, 17px);
  line-height: 1.9;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .address-body {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .address-notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .address-notes li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-faint);
}

.page-contact .address-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 1px;
  height: 14px;
  background: var(--clay);
}

.page-contact .address-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(244, 241, 232, .2);
}

.page-contact .address-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: grayscale(.32) contrast(1.08) brightness(.88);
}

.page-contact .top-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .top-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .order-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 800px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .connect-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-contact .mail-tips {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .routing-row {
    grid-template-columns: 56px minmax(0, 1fr) 280px;
    gap: 24px;
    align-items: start;
  }

  .page-contact .routing-num {
    padding-top: 4px;
  }
}

@media (min-width: 1080px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card::before,
  .page-contact .channel-card,
  .page-contact .flow-step,
  .page-contact .routing-link::after {
    transition: none;
  }
}

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