.page-contact {
  --ct-line: rgba(234, 242, 236, 0.12);
  --ct-neon-soft: rgba(198, 255, 61, 0.18);
  --ct-gap: clamp(18px, 2.6vw, 30px);
  display: block;
  min-width: 0;
  overflow-x: clip;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(14px, 2.4vw, 28px) clamp(26px, 4vw, 48px);
}

.page-contact .ct-hero__frame {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.4vw, 58px);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(110% 130% at 92% -18%, rgba(198, 255, 61, 0.16), transparent 58%),
    radial-gradient(90% 120% at 4% 110%, rgba(24, 224, 255, 0.13), transparent 60%),
    linear-gradient(158deg, #0c131d 0%, var(--ink) 74%);
  box-shadow: var(--shadow-panel);
}

.page-contact .ct-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 34px;
  background-image: repeating-linear-gradient(90deg, rgba(234, 242, 236, 0.14) 0 1px, transparent 1px 28px);
  pointer-events: none;
}

.page-contact .ct-hero__frame h1 {
  margin: 8px 0 18px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.6vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__frame h1 mark {
  background: none;
  color: var(--neon);
}

.page-contact .ct-hero__frame .lede {
  max-width: 62ch;
}

.page-contact .ct-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 通道区 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .ct-head .note {
  margin: 10px 0 0;
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: var(--ct-gap);
  grid-template-columns: 1fr;
}

.page-contact .ct-channel {
  --ct-accent: var(--neon);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(35, 26, 61, 0.6), var(--slate));
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .ct-channel:nth-child(2) { --ct-accent: var(--electric); }
.page-contact .ct-channel:nth-child(3) { --ct-accent: var(--amber); }

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 56px;
  height: 3px;
  border-radius: 0 0 var(--pill) 0;
  background: var(--ct-accent);
}

.page-contact .ct-channel:hover {
  transform: translateY(-4px);
  border-color: rgba(198, 255, 61, 0.35);
}

.page-contact .ct-channel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  color: var(--ct-accent);
  background: rgba(5, 7, 10, 0.55);
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-channel__desc {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.72;
}

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

.page-contact .ct-channel__link {
  margin-top: auto;
  align-self: flex-start;
}

.page-contact .ct-channels__art {
  margin-top: var(--ct-gap);
}

/* ---------- 数据纠错 ---------- */
.page-contact .ct-correction {
  padding-block: clamp(30px, 5vw, 62px);
}

.page-contact .ct-correction__inner {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  grid-template-columns: 1fr;
}

.page-contact .ct-correction__lead p {
  max-width: 46ch;
  color: var(--text-dim);
  line-height: 1.75;
}

.page-contact .ct-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--ct-line);
  list-style: none;
}

.page-contact .ct-fact {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: clamp(16px, 2vw, 22px);
  background: rgba(5, 7, 10, 0.82);
}

.page-contact .ct-fact__num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
  color: var(--neon);
}

.page-contact .ct-fact__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
}

.page-contact .ct-fact p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 功能建议 ---------- */
.page-contact .ct-advice {
  display: grid;
  gap: var(--ct-gap);
  margin: 0;
  padding: 0;
  grid-template-columns: 1fr;
  list-style: none;
}

.page-contact .ct-advice__item {
  padding: 24px 22px 22px;
  border: 1px solid var(--graphite);
  border-radius: var(--radius-md);
  background: var(--slate);
}

.page-contact .ct-advice__item:nth-child(2) {
  background: linear-gradient(180deg, rgba(58, 22, 38, 0.72), var(--slate));
}

.page-contact .ct-advice__idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(198, 255, 61, 0.42);
}

.page-contact .ct-advice__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
}

.page-contact .ct-advice__body p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 订阅与合作 ---------- */
.page-contact .ct-sub {
  padding-block: clamp(30px, 5vw, 64px);
}

.page-contact .ct-sub__grid {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  grid-template-columns: 1fr;
}

.page-contact .ct-sub__lead p {
  max-width: 56ch;
  color: var(--text-dim);
  line-height: 1.78;
}

.page-contact .ct-sub__points {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-sub__points li {
  position: relative;
  padding-left: 26px;
  color: var(--text-dim);
  font-size: 0.96rem;
  line-height: 1.65;
}

.page-contact .ct-sub__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 14px;
  height: 2px;
  border-radius: var(--pill);
  background: var(--neon);
}

.page-contact .ct-sub__stats {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-md);
}

.page-contact .ct-stats {
  display: grid;
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--ct-line);
}

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

.page-contact .ct-stat__value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-contact .ct-stat__label {
  color: var(--text-dim);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ---------- 服务时段 ---------- */
.page-contact .ct-hours__inner {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  grid-template-columns: 1fr;
}

.page-contact .ct-hours__body p {
  max-width: 56ch;
  color: var(--text-dim);
  line-height: 1.78;
}

.page-contact .ct-timeline {
  display: grid;
  gap: 20px;
  margin: 26px 0 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--ct-neon-soft);
  list-style: none;
}

.page-contact .ct-timeline__item {
  position: relative;
  display: grid;
  gap: 4px;
}

.page-contact .ct-timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--neon);
  border-radius: 50%;
  background: var(--ink);
}

.page-contact .ct-timeline__time {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-contact .ct-timeline__text {
  color: var(--text-dim);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-reach__grid {
  display: grid;
  gap: var(--ct-gap);
  grid-template-columns: 1fr;
}

.page-contact .ct-reach__card {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--graphite);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(24, 224, 255, 0.07), rgba(14, 20, 27, 0.96));
}

.page-contact .ct-reach__label {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .ct-reach__value {
  margin: 12px 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .ct-reach__value--mono {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--neon);
}

.page-contact .ct-reach__hint {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.68;
}

.page-contact .ct-reach__icp {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-contact .ct-reach__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-reach__links a {
  padding-bottom: 2px;
  color: var(--text);
  font-size: 0.94rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.45);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .ct-reach__links a:hover {
  color: var(--neon);
  border-color: var(--neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-reach__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-advice {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 18px;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-correction__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .ct-sub__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    align-items: start;
  }

  .page-contact .ct-hours__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-reach__links a {
    transition: none;
  }

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