.page-contact {
  --pc-window-pad: clamp(26px, 4.4vw, 68px);
  --pc-band-gap: clamp(12px, 1.6vw, 20px);
  padding-bottom: clamp(56px, 8vw, 108px);
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(108px, 13vw, 176px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-contact .contact-window {
  position: relative;
  padding: clamp(32px, 5vw, 74px) var(--pc-window-pad) clamp(30px, 4.4vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 92% at 80% -14%, rgba(110, 75, 255, .30), transparent 62%),
    radial-gradient(90% 70% at 4% 108%, rgba(75, 227, 208, .10), transparent 60%),
    linear-gradient(162deg, var(--ink-800) 0%, var(--ink-900) 72%);
  box-shadow: var(--shadow-hard), var(--shadow-soft);
  overflow: hidden;
}

.page-contact .contact-window::before {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(42, 52, 80, .68);
  border-radius: 2px;
  pointer-events: none;
}

.page-contact .contact-window__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  opacity: .78;
}
.page-contact .contact-window__corner--tl { top: 4px; left: 4px; }
.page-contact .contact-window__corner--tr { top: 4px; right: 4px; transform: rotate(90deg); }
.page-contact .contact-window__corner--br { bottom: 4px; right: 4px; transform: rotate(180deg); }
.page-contact .contact-window__corner--bl { bottom: 4px; left: 4px; transform: rotate(270deg); }

.page-contact .contact-hero__title {
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  color: var(--hi);
  letter-spacing: -.02em;
  line-height: .96;
  text-shadow: 0 0 48px rgba(110, 75, 255, .46);
}

.page-contact .contact-hero__lede {
  max-width: 58ch;
  margin-top: clamp(20px, 3vw, 32px);
  color: var(--body);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-contact .contact-hero__quick-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .contact-hero__quick-num {
  color: var(--gold);
}

/* ---------- 渠道对照带 ---------- */
.page-contact .contact-channels__intro {
  max-width: 60ch;
  margin-top: clamp(16px, 2vw, 24px);
}

.page-contact .channel-shell {
  position: relative;
  margin-top: clamp(34px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11, 16, 32, .92), rgba(5, 7, 14, .97));
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .channel-shell__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  z-index: -1;
  -webkit-mask-image: radial-gradient(86% 130% at 50% 0%, #000 18%, transparent 78%);
  mask-image: radial-gradient(86% 130% at 50% 0%, #000 18%, transparent 78%);
}

.page-contact .channel-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-band-gap);
  margin: 0;
  padding: clamp(14px, 2vw, 22px);
  list-style: none;
}

.page-contact .channel-slot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 44px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 7, 14, .74);
  color: var(--body);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.page-contact .channel-slot--primary {
  border-color: var(--violet);
  background: linear-gradient(155deg, var(--violet), #4a2fd6 80%);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .55);
}

.page-contact .channel-slot:hover,
.page-contact .channel-slot:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .62);
}

.page-contact .channel-slot:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .channel-slot__num {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .channel-slot--primary .channel-slot__num {
  color: rgba(242, 244, 255, .8);
}

.page-contact .channel-slot__name {
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 300;
  letter-spacing: .01em;
  color: var(--hi);
}

.page-contact .channel-slot__scene {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-contact .channel-slot--primary .channel-slot__scene {
  color: rgba(242, 244, 255, .84);
}

.page-contact .channel-slot__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mute);
}

.page-contact .channel-slot--primary .channel-slot__meta {
  color: var(--hi);
}

/* ---------- 渠道细节 ---------- */
.page-contact .detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(34px, 5vw, 62px);
}

.page-contact .detail-block {
  position: relative;
  padding: clamp(24px, 3vw, 40px);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
  scroll-margin-top: 120px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-contact .detail-block:target {
  border-color: var(--violet);
  box-shadow: 6px 6px 0 rgba(110, 75, 255, .5);
}

.page-contact .detail-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-contact .detail-block__num {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .detail-block__head .h-sub {
  margin: 0;
}

.page-contact .detail-block__note {
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-900);
}

.page-contact .detail-block__note-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--hi);
}

.page-contact .detail-block__tail {
  margin-top: 24px;
}

/* 正文内链：青点代替下划线 */
.page-contact .prose a {
  position: relative;
  padding-left: 13px;
  color: var(--hi);
  text-decoration: none;
  transition: color .18s ease;
}

.page-contact .prose a::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .prose a:hover {
  color: var(--cyan);
}

/* 步骤 */
.page-contact .steps {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .steps__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .steps__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body);
}

/* 清单 */
.page-contact .checklist {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

/* 邮箱与电话 */
.page-contact .direct-card {
  margin-top: 20px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(110% 140% at 100% 0%, rgba(110, 75, 255, .18), transparent 62%),
    var(--ink-900);
}

.page-contact .direct-card--phone {
  background:
    radial-gradient(110% 140% at 100% 0%, rgba(232, 180, 92, .14), transparent 62%),
    var(--ink-900);
}

.page-contact .direct-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mute);
}

.page-contact .direct-card__value {
  margin: 12px 0 0;
  font-size: clamp(15px, 3vw, 21px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--hi);
  overflow-wrap: anywhere;
  text-shadow: 0 0 30px rgba(110, 75, 255, .4);
}

.page-contact .direct-card__value--phone {
  font-size: clamp(28px, 6vw, 40px);
  color: var(--gold);
  text-shadow: 0 0 34px rgba(232, 180, 92, .34);
}

.page-contact .direct-card__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

/* 地址 */
.page-contact .addr-frame {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(19, 26, 46, .92), rgba(5, 7, 14, .96));
}

.page-contact .addr-frame__value {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.78;
  color: var(--hi);
}

.page-contact .addr-frame__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.85;
  color: var(--mute);
}

/* ---------- 反馈分类 ---------- */
.page-contact .types-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(34px, 5vw, 58px);
}

.page-contact .types-copy__intro {
  max-width: 58ch;
  margin-top: clamp(16px, 2vw, 24px);
}

.page-contact .types-list {
  display: grid;
  gap: 0;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .types-item {
  position: relative;
  padding: 22px 18px 22px 34px;
  border-top: 1px solid var(--line);
  transition: background .2s ease;
}

.page-contact .types-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .types-item:hover,
.page-contact .types-item:focus-within {
  background: rgba(110, 75, 255, .1);
}

.page-contact .types-item__dot {
  position: absolute;
  left: 8px;
  top: 31px;
}

.page-contact .types-item__name {
  margin: 0;
  font-size: 20px;
  font-weight: 300;
  letter-spacing: .01em;
  color: var(--hi);
}

.page-contact .types-item__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
}

.page-contact .types-item__owner {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mute);
  transition: color .2s ease;
}

.page-contact .types-item:hover .types-item__owner,
.page-contact .types-item:focus-within .types-item__owner {
  color: var(--cyan);
}

.page-contact .types-figure {
  margin: 0;
}

.page-contact .types-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 备案与合规 ---------- */
.page-contact .contact-compliance {
  margin-top: clamp(24px, 4vw, 48px);
}

.page-contact .compliance-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(19, 26, 46, .74), rgba(5, 7, 14, .92));
}

.page-contact .compliance-bar__code .h-sub {
  margin: 14px 0 0;
}

.page-contact .compliance-code {
  margin: 16px 0 0;
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: .06em;
}

.page-contact .compliance-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mute);
}

.page-contact .compliance-links-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--mute);
}

.page-contact .compliance-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .compliance-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 14px;
  color: var(--body);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-contact .compliance-links a:hover {
  color: var(--hi);
  border-bottom-color: var(--violet);
}

.page-contact .compliance-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

  .page-contact .compliance-bar {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .detail-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .detail-block--ticket {
    grid-column: 1 / 8;
  }

  .page-contact .detail-block--direct {
    grid-column: 8 / 13;
    margin-top: 68px;
  }

  .page-contact .detail-block--address {
    grid-column: 3 / 10;
    margin-top: 8px;
  }

  .page-contact .types-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-slot,
  .page-contact .types-item,
  .page-contact .detail-block,
  .page-contact .prose a,
  .page-contact .compliance-links a {
    transition: none;
  }

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