.page-contact {
  --ct-card: rgba(26, 43, 85, 0.55);
  --ct-edge: rgba(169, 182, 208, 0.18);
  --ct-cyan-edge: rgba(61, 242, 210, 0.34);
  --ct-amber-edge: rgba(246, 185, 74, 0.42);
}

/* ---------- 通用文字 ---------- */
.page-contact .ct-lede {
  margin: 0.9rem 0 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .ct-body {
  margin: 0 0 1.1rem;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .section-label {
  margin-bottom: 0.85rem;
}

.page-contact .ct-sec-head {
  max-width: 64ch;
  margin-bottom: 2rem;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: rgba(169, 182, 208, 0.45);
}

.page-contact .breadcrumb a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--ct-cyan-edge);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--moon);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: 2rem 0 3.25rem;
  background:
    radial-gradient(115% 95% at 88% 2%, rgba(36, 26, 74, 0.9) 0%, rgba(36, 26, 74, 0) 62%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 182, 208, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 182, 208, 0.07) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(72% 62% at 74% 26%, #000 0%, transparent 76%);
  mask-image: radial-gradient(72% 62% at 74% 26%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.25rem;
}

.page-contact .ct-hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 7.4vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: 0.015em;
  color: var(--moon);
}

.page-contact .ct-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .ct-hero-lede {
  max-width: 46ch;
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.page-contact .ct-hero-note {
  max-width: 42ch;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(169, 182, 208, 0.85);
}

.page-contact .ct-hero-aside {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .ct-hero-figure {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--ct-edge);
  background: linear-gradient(155deg, var(--ink-600), var(--ink-700));
}

.page-contact .ct-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .ct-anchor-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(246, 185, 74, 0.18), rgba(36, 26, 74, 0.62));
  border: 1px solid var(--ct-amber-edge);
  text-decoration: none;
  color: var(--moon);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-anchor-card:hover {
  transform: translateY(-4px);
  border-color: rgba(246, 185, 74, 0.85);
}

.page-contact .ct-anchor-card .tag {
  justify-self: start;
}

.page-contact .ct-anchor-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-contact .ct-anchor-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--moon);
  word-break: break-all;
}

/* ---------- 渠道 ---------- */
.page-contact .ct-channels {
  background: var(--ink-900);
}

.page-contact .ct-channel-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channel {
  display: grid;
  gap: 0.6rem;
  align-content: start;
  padding: 1.5rem 1.35rem 1.6rem;
  border-radius: var(--r-lg);
  background: var(--ct-card);
  border: 1px solid var(--ct-edge);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-channel:hover {
  border-color: var(--ct-cyan-edge);
  transform: translateY(-4px);
}

.page-contact .ct-channel-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .ct-channel h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.28rem;
  color: var(--moon);
}

.page-contact .ct-channel-value {
  display: inline-block;
  max-width: 100%;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--moon);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--ct-cyan-edge);
  transition: color var(--dur) var(--ease);
}

.page-contact a.ct-channel-value:hover {
  color: var(--cyan);
}

.page-contact .ct-channel-value--plain {
  border-bottom: 0;
  word-break: normal;
  padding-bottom: 0;
}

.page-contact .ct-channel-desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 反馈 ---------- */
.page-contact .ct-feedback {
  background:
    radial-gradient(90% 80% at 6% 0%, rgba(36, 26, 74, 0.85) 0%, rgba(36, 26, 74, 0) 62%),
    var(--ink-800);
}

.page-contact .ct-feedback-grid {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-fb-types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.3rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-contact .ct-fb-types li {
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--ct-cyan-edge);
  background: rgba(18, 59, 58, 0.5);
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--moon);
}

.page-contact .ct-fb-action {
  margin: 1.5rem 0 0;
}

.page-contact .ct-fb-plate {
  display: grid;
  gap: 1.15rem;
  align-content: start;
  padding: 1.5rem 1.4rem;
  border-radius: var(--r-lg);
  background: rgba(6, 9, 18, 0.58);
  border: 1px solid var(--ct-amber-edge);
}

.page-contact .ct-fb-plate .tag {
  justify-self: start;
}

.page-contact .ct-fb-timing {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.page-contact .ct-fb-row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(169, 182, 208, 0.14);
}

.page-contact .ct-fb-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-fb-row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .ct-fb-row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--moon);
}

/* ---------- 检查清单 ---------- */
.page-contact .ct-checklist {
  background: var(--ink-900);
}

.page-contact .ct-check-grid {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-check-list {
  display: grid;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-check-list li {
  position: relative;
}

.page-contact .ct-check-box {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-check-list label {
  position: relative;
  display: grid;
  gap: 0.3rem;
  min-height: 48px;
  padding: 0.9rem 1rem 0.9rem 3.1rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--ct-edge);
  background: rgba(26, 43, 85, 0.42);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-check-list label:hover {
  border-color: var(--ct-cyan-edge);
}

.page-contact .ct-check-list label::before {
  content: "";
  position: absolute;
  top: 1.05rem;
  left: 1rem;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1px solid rgba(61, 242, 210, 0.5);
  background: rgba(6, 9, 18, 0.65);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-check-box:checked + label {
  border-color: var(--ct-cyan-edge);
  background: rgba(18, 59, 58, 0.42);
}

.page-contact .ct-check-box:checked + label::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check-box:checked + label::after {
  content: "";
  position: absolute;
  top: 1.35rem;
  left: 1.44rem;
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(-45deg);
}

.page-contact .ct-check-box:focus-visible + label {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .ct-check-name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--moon);
}

.page-contact .ct-check-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--haze);
}

.page-contact .ct-check-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ct-edge);
  background: linear-gradient(160deg, var(--ink-600), var(--ink-700));
}

.page-contact .ct-check-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .ct-check-cap {
  padding: 0.8rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--haze);
  border-top: 1px solid var(--ct-edge);
}

/* ---------- 合作 ---------- */
.page-contact .ct-partner {
  background: linear-gradient(180deg, var(--ink-900) 0%, #0a1024 100%);
}

.page-contact .ct-partner-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.page-contact .ct-partner-card {
  padding: 1.15rem 1.25rem;
  border-radius: var(--r-md);
  border-left: 2px solid var(--ct-amber-edge);
  background: rgba(26, 43, 85, 0.42);
}

.page-contact .ct-partner-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--moon);
}

.page-contact .ct-partner-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--haze);
}

.page-contact .ct-partner-note {
  margin: 1.6rem 0 0;
  max-width: 68ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .ct-partner-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-cyan-edge);
  word-break: break-all;
}

.page-contact .ct-partner-note a:hover {
  color: var(--moon);
}

/* ---------- 场景分流 ---------- */
.page-contact .ct-routing {
  background: var(--ink-800);
}

.page-contact .ct-routes {
  display: grid;
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.4rem 1rem;
  padding: 1.15rem 0.5rem;
  border-bottom: 1px solid var(--ct-edge);
  text-decoration: none;
  color: var(--moon);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .ct-route:hover {
  padding-left: 1rem;
  background: rgba(61, 242, 210, 0.06);
}

.page-contact .ct-route-label {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--moon);
}

.page-contact .ct-route-desc {
  grid-column: 1 / 2;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--haze);
}

.page-contact .ct-route-arrow {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-route:hover .ct-route-arrow {
  transform: translateX(4px);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-final {
  padding: 1rem 0 3.5rem;
  background: var(--ink-800);
}

.page-contact .ct-final-inner {
  display: grid;
  gap: 1.4rem;
  padding: 2rem 1.5rem;
  border-radius: var(--r-xl);
  border: 1px solid var(--ct-edge);
  background: radial-gradient(120% 150% at 10% 0%, rgba(36, 26, 74, 0.92) 0%, rgba(11, 23, 48, 0.94) 72%);
}

.page-contact .ct-final-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--moon);
}

.page-contact .ct-final-text {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .ct-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-contact .ct-route {
    grid-template-columns: minmax(0, 16rem) minmax(0, 1fr) auto;
    align-items: baseline;
    padding: 1.2rem 0.75rem;
  }

  .page-contact .ct-route-desc {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
  }

  .page-contact .ct-route-arrow {
    grid-column: 3 / 4;
    grid-row: 1 / 2;
  }
}

@media (min-width: 880px) {
  .page-contact .ct-channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    padding-bottom: 2rem;
  }

  .page-contact .ct-channel-list > li:nth-child(2) {
    transform: translateY(1.75rem);
  }

  .page-contact .ct-channel-list > li:nth-child(2):hover {
    transform: translateY(1.4rem);
  }

  .page-contact .ct-final-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 2.5rem 2.75rem;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-feedback-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-check-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-hero {
    padding: 2.5rem 0 4.25rem;
  }

  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-contact .ct-hero-aside {
    position: relative;
    padding-bottom: 2.25rem;
  }

  .page-contact .ct-anchor-card {
    position: absolute;
    left: -1.75rem;
    bottom: 0;
    width: min(340px, 82%);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: 0 24px 60px rgba(6, 9, 18, 0.55);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel:hover,
  .page-contact .ct-anchor-card:hover {
    transform: none;
  }

  .page-contact .ct-route:hover {
    padding-left: 0.5rem;
  }

  .page-contact .ct-route:hover .ct-route-arrow {
    transform: none;
  }
}