.page-contact {
  padding-bottom: 96px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 32px;
  margin-bottom: 64px;
}

.page-contact .contact-hero-copy {
  min-width: 0;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist);
  margin: 12px 0 0;
  max-width: 18em;
}

.page-contact .contact-hero-lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 36em;
}

.page-contact .contact-hero-visual {
  min-width: 0;
}

/* ---------- 值守时段刻度 ---------- */
.page-contact .duty-scale {
  margin-top: 32px;
  max-width: 460px;
}

.page-contact .duty-scale-track {
  position: relative;
  height: 12px;
  border: 1px solid var(--graphite);
  background: var(--slate-2);
  overflow: hidden;
}

.page-contact .duty-scale-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  opacity: 0.85;
}

.page-contact .duty-scale-ticks {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to right,
    rgba(10, 12, 16, 0.85) 0,
    rgba(10, 12, 16, 0.85) 1px,
    transparent 1px,
    transparent 25%
  );
}

.page-contact .duty-scale-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .duty-scale-cap {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-shell {
  display: grid;
  gap: 40px;
}

.page-contact .contact-main {
  min-width: 0;
}

.page-contact .contact-main > .section {
  padding-top: 0;
  padding-bottom: 64px;
}

.page-contact .contact-main > .section:last-child {
  padding-bottom: 0;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 22px;
  background: var(--slate);
  border: 1px solid var(--graphite);
  border-top: 3px solid var(--graphite);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease),
    transform 0.18s var(--ease);
}

.page-contact .channel-card:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-contact .channel-card:nth-child(2) {
  border-top-color: var(--blue);
}

.page-contact .channel-card:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .channel-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

.page-contact .channel-idx {
  align-self: flex-start;
  padding: 2px 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  border: 1px solid var(--orange);
}

.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .channel-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel-go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .channel-foot,
.page-contact .android-foot,
.page-contact .partner-foot,
.page-contact .visit-foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 内联链接 ---------- */
.page-contact .inline-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 189, 245, 0.42);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

/* ---------- 邮箱与电话 ---------- */
.page-contact .direct-grid {
  display: grid;
  gap: 1px;
  background: var(--graphite);
  border: 1px solid var(--graphite);
}

.page-contact .direct-item {
  background: var(--slate);
  padding: 28px 24px;
  min-width: 0;
}

.page-contact .direct-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .direct-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .direct-value--accent {
  color: var(--cyan);
  text-shadow: var(--glow-cyan-strong);
}

.page-contact .direct-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 安卓端反馈 ---------- */
.page-contact .android-grid {
  display: grid;
  gap: 28px;
}

.page-contact .android-copy {
  min-width: 0;
}

.page-contact .android-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .android-steps {
  list-style: none;
  counter-reset: step;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .android-steps li {
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .android-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid var(--graphite);
  background: var(--slate-2);
}

.page-contact .android-visual {
  min-width: 0;
}

.page-contact .android-visual .figure-cap {
  margin-top: 10px;
}

/* ---------- 合作与内容共建 ---------- */
.page-contact .partner-panel {
  display: grid;
  gap: 24px;
  padding: 30px 24px;
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(122, 91, 255, 0.16), transparent 62%),
    var(--slate);
  border: 1px solid var(--graphite);
}

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

.page-contact .partner-item {
  padding-left: 18px;
  border-left: 2px solid var(--graphite);
}

.page-contact .partner-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .partner-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partner-callout {
  margin: 0;
}

.page-contact .partner-callout-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .partner-callout-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 联系地址 ---------- */
.page-contact .visit-panel {
  padding: 28px 24px;
  background: var(--slate-2);
  border: 1px solid var(--graphite);
  border-left: 3px solid var(--orange);
}

.page-contact .visit-address {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .visit-note {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .visit-note--muted {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- 右侧吸附卡片 ---------- */
.page-contact .contact-rail {
  min-width: 0;
}

.page-contact .rail-wrap {
  position: relative;
}

.page-contact .rail-stamp {
  position: absolute;
  top: -13px;
  right: -4px;
  z-index: 2;
  display: inline-block;
  padding: 5px 10px;
  transform: rotate(3deg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
  background: var(--ink);
  border: 1px solid var(--orange);
  box-shadow: 0 0 0 3px var(--ink);
}

.page-contact .contact-card {
  position: relative;
  padding: 32px 24px 24px;
  background: var(--slate);
  border: 1px solid var(--graphite);
  box-shadow: 10px 10px 0 -1px var(--slate-2), 10px 10px 0 0 var(--graphite);
}

.page-contact .contact-card-title {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .contact-card-list {
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-contact .contact-card-list dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  padding-top: 12px;
}

.page-contact .contact-card-list dt:first-of-type {
  padding-top: 0;
}

.page-contact .contact-card-list dd {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-card-list dd.mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .contact-card-note {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--graphite);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card-icp {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .direct-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .partner-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
    padding: 34px 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

  .page-contact .android-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h-compact) + 28px);
  }
}

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

  .page-contact .channel-card:hover {
    transform: none;
  }
}
</style>