.page-contact {
  --pc-line: rgba(53, 242, 208, 0.28);
  --pc-line-soft: rgba(143, 166, 184, 0.22);
  --pc-line-faint: rgba(143, 166, 184, 0.14);
  --pc-tint: rgba(53, 242, 208, 0.07);
  --pc-ink-soft: rgba(28, 21, 18, 0.62);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6.5vw, 84px) 0 clamp(26px, 5vw, 54px);
  background:
    radial-gradient(115% 85% at 50% -18%, rgba(53, 242, 208, 0.16), transparent 62%),
    radial-gradient(80% 70% at 100% 118%, rgba(255, 107, 74, 0.16), transparent 68%),
    linear-gradient(172deg, var(--deep) 0%, var(--navy) 58%, var(--deep) 100%);
  border-bottom: var(--bw) solid var(--pc-line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--pc-line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-line-faint) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 85%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 2.2vw, 22px);
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}

.page-contact .contact-hero .eyebrow::before {
  display: none;
}

.page-contact .contact-hero .eyebrow {
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.78;
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px clamp(14px, 2.4vw, 28px);
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-contact .contact-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--pc-line-faint);
  border-radius: 999px;
  background: rgba(13, 42, 69, 0.6);
}

.page-contact .signal-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pc-pulse 2.4s ease-out infinite;
}

@keyframes pc-pulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 242, 208, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(53, 242, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 242, 208, 0); }
}

.page-contact .contact-hero__art {
  position: relative;
  z-index: 1;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: var(--bw) solid var(--pc-line);
  box-shadow: 8px 8px 0 rgba(255, 107, 74, 0.2);
}

/* ---------- 双入口面板 ---------- */
.page-contact .contact-gates {
  padding: clamp(34px, 6vw, 74px) 0;
  background: linear-gradient(180deg, var(--deep) 0%, #05131f 100%);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .section-sub {
  margin: 10px 0 0;
  max-width: 64ch;
  color: var(--gray);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .gate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .gate {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 36px);
  background: var(--navy);
  border: var(--bw) solid var(--pc-line-soft);
  box-shadow: var(--shadow-panel);
  min-width: 0;
}

.page-contact .gate--download {
  border-top-color: var(--cyan);
  box-shadow: 6px 6px 0 rgba(53, 242, 208, 0.16);
}

.page-contact .gate--talk {
  border-top-color: var(--coral);
  box-shadow: 6px 6px 0 rgba(255, 107, 74, 0.26);
}

.page-contact .gate__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .gate--talk .gate__num {
  color: var(--coral);
}

.page-contact .gate__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .gate__text {
  margin: 0;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-contact .gate .btn {
  align-self: flex-start;
}

.page-contact .gate__hint {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-contact .gate__tel {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 242, 208, 0.5);
}

.page-contact .gate__tel:hover,
.page-contact .gate__tel:focus-visible {
  color: var(--glass);
  border-bottom-color: var(--glass);
}

/* ---------- 咨询主题 ---------- */
.page-contact .contact-topics {
  padding: clamp(34px, 6vw, 74px) 0;
  background: var(--deep);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.6vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .topic {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 20px clamp(16px, 2vw, 24px);
  background: var(--navy);
  border: 1px solid var(--pc-line-soft);
  border-top: var(--bw) solid var(--cyan);
  text-decoration: none;
  color: inherit;
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.page-contact .topic:hover,
.page-contact .topic:focus-visible {
  transform: translateY(-3px);
  border-top-color: var(--coral);
  background: #102f4e;
  outline: none;
}

.page-contact .topic__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--coral);
}

.page-contact .topic__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-contact .topic__desc {
  color: var(--gray);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ---------- 响应说明（奶油浅色区） ---------- */
.page-contact .contact-response {
  padding: clamp(34px, 6vw, 76px) 0;
  background: var(--cream);
  color: var(--ink);
  border-top: var(--bw) solid var(--ink);
  border-bottom: var(--bw) solid var(--ink);
}

.page-contact .contact-response .eyebrow {
  color: #8a3a22;
}

.page-contact .contact-response .eyebrow::before {
  background: var(--coral);
}

.page-contact .contact-response .section-title {
  color: var(--ink);
  border-bottom-color: rgba(28, 21, 18, 0.24);
}

.page-contact .resp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-contact .resp-lead {
  margin: 0 0 18px;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .fact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(28, 21, 18, 0.2);
}

.page-contact .fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(28, 21, 18, 0.16);
}

.page-contact .fact__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8a3a22;
}

.page-contact .fact__v {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .contact-response .media-frame {
  border-color: var(--ink);
  box-shadow: 6px 6px 0 rgba(28, 21, 18, 0.22);
}

.page-contact .contact-response .media-frame__caption {
  background: rgba(28, 21, 18, 0.86);
  color: var(--cream);
}

/* ---------- 联系方式与备案 ---------- */
.page-contact .contact-info {
  padding: clamp(34px, 6vw, 74px) 0;
  background: linear-gradient(180deg, #05131f 0%, var(--deep) 100%);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .info-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px clamp(14px, 2vw, 22px);
  background: var(--navy);
  border: var(--bw) solid var(--pc-line-soft);
  border-left: var(--bw) solid var(--cyan);
  min-width: 0;
}

.page-contact .info-card--wide,
.page-contact .info-card--filing {
  border-left-color: var(--coral);
}

.page-contact .info-card__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .info-card__v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.6;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .info-card__v:hover,
.page-contact .info-card__v:focus-visible {
  color: var(--glass);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .info-card__v--plain {
  color: var(--cream);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 16.5px);
  word-break: normal;
}

.page-contact .info-card--filing .info-card__v--plain {
  color: var(--yellow);
}

.page-contact .info-card__n {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--gray);
}

/* ---------- 提交前准备 ---------- */
.page-contact .contact-prep {
  padding: clamp(34px, 6vw, 74px) 0;
  background: var(--deep);
  border-bottom: 1px solid var(--pc-line-soft);
}

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

.page-contact .prep {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2.2vw, 24px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--pc-line-soft);
  align-items: start;
}

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .prep__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.1vw, 1.2rem);
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-contact .prep__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .prep-note {
  margin: 20px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--coral);
  background: rgba(255, 107, 74, 0.08);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作与供稿 ---------- */
.page-contact .contact-partner {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 78px) 0;
  background:
    radial-gradient(90% 80% at 8% 0%, rgba(255, 107, 74, 0.2), transparent 62%),
    radial-gradient(70% 70% at 100% 110%, rgba(53, 242, 208, 0.14), transparent 66%),
    linear-gradient(180deg, var(--navy) 0%, var(--deep) 100%);
  border-top: 1px solid var(--pc-line-soft);
}

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

.page-contact .partner-text {
  margin: 14px 0 22px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .partner-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .partner-point {
  display: grid;
  grid-template-columns: minmax(76px, 110px) 1fr;
  gap: clamp(12px, 2vw, 20px);
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .partner-point__k {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-contact .partner-point__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .fact {
    grid-template-columns: minmax(96px, 130px) 1fr;
    gap: 16px;
    align-items: baseline;
  }

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

  .page-contact .info-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 760px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 840px) {
  .page-contact .gate-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .resp-grid {
    grid-template-columns: 1.05fr 1fr;
  }
}

@media (min-width: 980px) {
  .page-contact .partner-grid {
    grid-template-columns: 1.15fr 1fr;
  }
}

@media (min-width: 1080px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .signal-dot {
    animation: none;
    box-shadow: 0 0 0 3px rgba(53, 242, 208, 0.28);
  }

  .page-contact .topic,
  .page-contact [data-reveal] {
    transition: none;
    animation: none;
  }
}