.page-contact {
  --pc-body: #44566C;
  --pc-dark-muted: #A6B8CB;
  --pc-dark-body: #C7D4E1;
  background: var(--c-white);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--grad-night);
  color: var(--c-white);
  padding: calc(var(--header-h) + 36px) 0 72px;
}

.page-contact .contact-hero .grid-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

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

.page-contact .contact-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  font-size: 13px;
  color: var(--c-steel);
}

.page-contact .contact-breadcrumb a {
  color: var(--pc-dark-muted);
  text-decoration: none;
  transition: color .18s ease;
}

.page-contact .contact-breadcrumb a:hover,
.page-contact .contact-breadcrumb a:focus-visible {
  color: var(--c-cyan);
}

.page-contact .contact-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-line);
}

.page-contact .contact-hero-copy {
  max-width: 780px;
}

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

.page-contact .contact-hero h1 {
  font-size: clamp(34px, 6.2vw, 58px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 12px 0 22px;
}

.page-contact .contact-lede {
  max-width: 60ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--pc-dark-body);
}

.page-contact .contact-hero-note {
  display: none;
}

/* ---------- 联络台 ---------- */
.page-contact .contact-deck {
  background: var(--c-white);
  padding: 72px 0 24px;
}

.page-contact .deck-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.page-contact .deck-title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  margin: 10px 0 0;
  max-width: 24ch;
}

.page-contact .deck-head .anchor-btn {
  position: static;
  flex: none;
}

.page-contact .contact-deck-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .contact-brick {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 34px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  transition: transform .22s ease;
}

.page-contact .contact-brick + .contact-brick {
  margin-top: -2px;
}

.page-contact .contact-brick:hover,
.page-contact .contact-brick:focus-within {
  transform: translateY(-4px);
  z-index: 3;
}

.page-contact .contact-brick::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: -2px;
  height: 4px;
  background: var(--c-red);
  transform: scaleX(.3);
  transform-origin: left center;
  transition: transform .26s ease;
}

.page-contact .contact-brick:hover::after,
.page-contact .contact-brick:focus-within::after {
  transform: scaleX(1);
}

.page-contact .brick-kicker {
  margin: 0 0 20px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-steel);
}

.page-contact .brick-name {
  margin: 0 0 14px;
  font-size: 19px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .brick-value {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .brick-value--phone {
  font-size: 19px;
  color: var(--c-red);
  letter-spacing: .01em;
}

.page-contact .brick-value--addr {
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.62;
}

.page-contact .brick-desc {
  margin: auto 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .brick-anchor {
  position: absolute;
  top: 12px;
  right: 12px;
  opacity: 0;
  transition: opacity .2s ease;
}

.page-contact .contact-brick:hover .brick-anchor,
.page-contact .contact-brick:focus-within .brick-anchor {
  opacity: 1;
}

.page-contact .contact-deck-figure {
  margin: 0;
  border: 2px solid var(--c-line);
  background: var(--c-ink-2);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

/* ---------- 服务时段条 ---------- */
.page-contact .service-band {
  background: var(--c-ink-2);
  color: var(--c-white);
  padding: 48px 0;
  border-top: 2px solid var(--c-red);
}

.page-contact .service-band-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .service-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
}

.page-contact .service-clock-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 7vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cyan);
}

.page-contact .service-clock-unit {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-steel);
}

.page-contact .service-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.25;
}

.page-contact .service-copy p {
  max-width: 62ch;
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pc-dark-body);
}

.page-contact .service-copy p:last-child {
  margin-bottom: 0;
}

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

/* ---------- 专项对接 ---------- */
.page-contact .support-section {
  background: var(--c-white);
  padding: 76px 0 8px;
}

.page-contact .support-title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  margin: 10px 0 36px;
  max-width: 22ch;
}

.page-contact .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .support-panel {
  display: flex;
  flex-direction: column;
  padding: 32px 26px 30px;
  background: var(--c-white);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
}

.page-contact .support-panel--version {
  background: var(--c-silver);
}

.page-contact .panel-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-red);
}

.page-contact .panel-title {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.4vw, 26px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--c-ink);
}

.page-contact .panel-lede {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .support-figure {
  margin: 4px 0 22px;
  border: 2px solid var(--c-line);
  background: var(--c-ink-2);
  overflow: hidden;
}

.page-contact .support-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 700;
  object-fit: cover;
}

.page-contact .access-block {
  margin-top: 4px;
  border-top: 2px solid var(--c-line);
}

.page-contact .access-block details {
  border-bottom: 2px solid var(--c-line);
}

.page-contact .access-block summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .access-block summary::-webkit-details-marker {
  display: none;
}

.page-contact .access-block summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-red);
}

.page-contact .access-block details[open] summary::after {
  content: "–";
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0 0 18px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-body);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--c-red);
}

.page-contact .version-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-top: 2px solid var(--c-line);
}

.page-contact .version-list li {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 2px solid var(--c-line);
}

.page-contact .version-key {
  font-size: 13px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .version-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-body);
}

.page-contact .panel-foot {
  margin: auto 0 0;
  padding-top: 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .panel-foot a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 常见咨询场景 ---------- */
.page-contact .scene-section {
  padding: 76px 0 72px;
}

.page-contact .scene-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.page-contact .scene-title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  margin: 10px 0 0;
}

.page-contact .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 980px;
  border-top: 2px solid var(--c-line);
}

.page-contact .scene-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 22px 4px;
  border-bottom: 2px solid var(--c-line);
  transition: opacity .2s ease;
}

.page-contact .scene-item[data-dimmed] {
  opacity: .2;
}

.page-contact .scene-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 700;
  padding-top: 4px;
  color: var(--c-red);
}

.page-contact .scene-q {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--c-ink);
}

.page-contact .scene-a {
  max-width: 68ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-body);
}

/* ---------- 地址与备案 ---------- */
.page-contact .registry-band {
  background: var(--c-silver);
  border-top: 2px solid var(--c-line);
  padding: 56px 0 64px;
}

.page-contact .registry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-contact .registry-head {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-steel);
}

.page-contact .registry-addr {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-contact .registry-icp {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .registry-note {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .registry-note a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (max-width: 767px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 16px) 0 56px;
  }
  .page-contact .contact-deck,
  .page-contact .support-section,
  .page-contact .scene-section {
    padding-top: 56px;
  }
  .page-contact .scene-section {
    padding-bottom: 56px;
  }
  .page-contact .brick-anchor {
    opacity: 1;
  }
}

@media (max-width: 520px) {
  .page-contact .version-list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .page-contact .scene-item {
    grid-template-columns: 26px 1fr;
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .service-band-inner {
    grid-template-columns: minmax(300px, 420px) 1fr;
    gap: 64px;
    align-items: center;
  }
  .page-contact .support-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .page-contact .registry-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 72px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero-note {
    display: block;
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .22em;
    color: var(--c-cyan);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-deck-grid {
    grid-template-columns: 1.2fr 1fr 1fr 280px;
  }
  .page-contact .contact-brick + .contact-brick {
    margin-top: 0;
    margin-left: -2px;
  }
  .page-contact .contact-deck-figure {
    aspect-ratio: auto;
    margin-left: -2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-brick,
  .page-contact .contact-brick::after,
  .page-contact .brick-anchor,
  .page-contact .scene-item {
    transition: none;
  }
  .page-contact .contact-brick:hover,
  .page-contact .contact-brick:focus-within {
    transform: none;
  }
}