.page-contact {
  --pc-glass: rgba(22, 35, 58, 0.72);
  --pc-card: #0E1729;
  --pc-ring: rgba(53, 230, 210, 0.16);
  --pc-soft: rgba(154, 169, 196, 0.85);

  position: relative;
  color: var(--text);
  overflow-x: clip;
}

.page-contact .section {
  position: relative;
  padding-block: clamp(52px, 7.5vw, 104px);
}

.page-contact .section--tight {
  padding-block: clamp(44px, 6vw, 84px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-block: clamp(20px, 3vw, 34px) clamp(48px, 6.5vw, 92px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  left: -22%;
  width: min(720px, 92vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 230, 210, 0.14), rgba(76, 139, 255, 0.06) 46%, transparent 70%);
  pointer-events: none;
}

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

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(22px, 3vw, 40px);
}

.page-contact .contact-hero__copy h1 {
  margin: 12px 0 0;
  font-size: clamp(1.85rem, 5vw, 3.15rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__copy .lead {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--pc-soft);
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.82;
}

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

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--pc-soft);
  line-height: 1.6;
}

.page-contact .contact-hero__facts .mono {
  flex: none;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .contact-hero__media .media__frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: linear-gradient(150deg, rgba(53, 230, 210, 0.14), rgba(76, 139, 255, 0.07) 46%, rgba(14, 23, 41, 0.9));
}

.page-contact .contact-hero__media .media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: linear-gradient(rgba(53, 230, 210, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 230, 210, 0.07) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-contact .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节标题 ---------- */

.page-contact .sec-head {
  display: grid;
  gap: 8px;
  max-width: 62ch;
}

.page-contact .sec-head__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .sec-head__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.9vw, 2.05rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.page-contact .sec-head__note {
  margin: 0;
  color: var(--pc-soft);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- 渠道 ---------- */

.page-contact .contact-relay__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 42px);
  margin-top: clamp(24px, 3.4vw, 44px);
}

.page-contact .contact-relay__asks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .bubble {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 16px 16px 16px 4px;
  background: var(--pc-glass);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .bubble:hover,
.page-contact .bubble:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 230, 210, 0.09);
  transform: translateX(4px);
  outline: none;
}

.page-contact .chan {
  position: relative;
  padding: 18px 20px 20px;
  background: var(--pc-card);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  scroll-margin-top: calc(var(--hdr) + 28px);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-contact .chan + .chan {
  margin-top: 14px;
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--pulse);
  opacity: 0;
  transition: opacity 220ms var(--ease);
}

.page-contact .chan:target {
  border-color: rgba(53, 230, 210, 0.6);
  box-shadow: 0 0 0 1px rgba(53, 230, 210, 0.2), 0 22px 52px -28px rgba(53, 230, 210, 0.7);
}

.page-contact .chan:target::before {
  opacity: 1;
}

.page-contact .chan__no {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .chan__title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .chan__value {
  margin: 10px 0 10px;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
  line-height: 1.6;
}

.page-contact .chan__text {
  margin: 0;
  color: var(--pc-soft);
  font-size: 0.93rem;
  line-height: 1.78;
}

.page-contact .chan__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 12px;
  background: var(--pc-glass);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  backdrop-filter: blur(6px);
}

.page-contact .chan__toggle {
  display: none;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0 12px;
  background: none;
  border: 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.86rem;
  text-align: left;
  cursor: pointer;
}

.page-contact .chan__chev {
  flex: none;
  color: var(--cyan);
  font-size: 14px;
}

.page-contact .relay-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-top: clamp(22px, 3vw, 34px);
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--rad);
  background: var(--pc-glass);
  backdrop-filter: blur(6px);
  font-size: 0.9rem;
  color: var(--pc-soft);
}

.page-contact .relay-clock .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .relay-clock strong {
  color: var(--text);
  font-weight: 800;
}

/* ---------- 反馈三件事 ---------- */

.page-contact .contact-report__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .report-card {
  position: relative;
  padding: 24px 20px 26px;
  background: var(--pc-card);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  overflow: hidden;
}

.page-contact .report-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--pulse);
}

.page-contact .report-card__no {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .report-card__title {
  margin: 0 0 10px;
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .report-card__text {
  margin: 0;
  color: var(--pc-soft);
  font-size: 0.93rem;
  line-height: 1.78;
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.42);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
  outline: none;
}

/* ---------- 流程图 ---------- */

.page-contact .flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(24px, 3.4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: linear-gradient(120deg, rgba(53, 230, 210, 0.06), rgba(76, 139, 255, 0.04) 52%, rgba(14, 23, 41, 0.5));
  overflow: hidden;
}

.page-contact .flow__step {
  padding: 22px 20px 24px;
}

.page-contact .flow__step + .flow__step {
  border-top: 1px solid var(--line);
}

.page-contact .flow__no {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .flow__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
}

.page-contact .flow__text {
  margin: 0;
  color: var(--pc-soft);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-contact .flow__need {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 服务区域 ---------- */

.page-contact .contact-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.8vw, 52px);
  align-items: start;
}

.page-contact .contact-reach__text {
  margin: 22px 0 0;
  max-width: 46em;
  color: var(--pc-soft);
  font-size: 0.96rem;
  line-height: 1.82;
}

.page-contact .reach-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reach-stats li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reach-stats strong {
  flex: none;
  min-width: 5.5em;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-contact .reach-stats span {
  color: var(--pc-soft);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-contact .contact-reach__figure {
  margin: 0;
}

.page-contact .contact-reach__figure .media__frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background: radial-gradient(circle at 34% 46%, rgba(255, 122, 47, 0.14), transparent 62%), var(--hull);
}

/* ---------- 来信前提示 ---------- */

.page-contact .tips {
  margin-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .tip {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .tip__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .tip__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .tip__text {
  margin: 0;
  color: var(--pc-soft);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-contact .contact-before__foot {
  margin: clamp(22px, 3vw, 34px) 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-hero__facts li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px;
  }
}

@media (min-width: 768px) {
  .page-contact .contact-report__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .flow__step + .flow__step {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .tip {
    grid-template-columns: 78px minmax(0, 232px) minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    gap: clamp(32px, 4.4vw, 64px);
  }

  .page-contact .contact-relay__grid {
    grid-template-columns: minmax(0, 4.4fr) minmax(0, 7.6fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .contact-relay__asks {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: calc(var(--hdr) + 28px);
  }

  .page-contact .contact-reach__grid {
    grid-template-columns: minmax(0, 5.6fr) minmax(0, 6.4fr);
  }
}

@media (max-width: 767px) {
  .page-contact .chan__toggle {
    display: flex;
  }

  .page-contact .chan__body .chan__no {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .bubble,
  .page-contact .chan,
  .page-contact .chan::before,
  .page-contact .inline-link {
    transition: none;
  }

  .page-contact .bubble:hover,
  .page-contact .bubble:focus-visible {
    transform: none;
  }
}