.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 30px);
  --pc-block: clamp(52px, 7vw, 104px);
  --pc-card-bg: linear-gradient(180deg, rgba(20, 35, 76, 0.78), rgba(11, 23, 52, 0.86));
  color: var(--ice);
}

.page-contact .breadcrumb {
  padding-block: 14px 0;
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 52px) clamp(44px, 6vw, 84px);
  border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(38, 225, 255, 0.16), transparent 58%),
    radial-gradient(92% 84% at 4% 0%, rgba(108, 92, 231, 0.18), transparent 64%);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.page-contact .contact-hero__notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-contact .contact-hero__note {
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-contact .contact-hero__note .mono {
  margin-right: 6px;
  font-size: var(--fs-20);
  color: var(--pulse);
}

.page-contact .contact-hero__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: inset 0 0 0 1px rgba(38, 225, 255, 0.06);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .contact-hero__media .media__caption {
  padding: 12px 16px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--rule);
  background: var(--ink-900);
}

/* ---------- 通道 ---------- */
.page-contact .contact-channels,
.page-contact .contact-coop,
.page-contact .contact-flow,
.page-contact .contact-usage,
.page-contact .contact-place {
  padding-block: var(--pc-block);
}

.page-contact .contact-coop {
  border-block: 1px solid var(--rule);
  background: linear-gradient(180deg, rgba(11, 23, 52, 0.5), rgba(5, 11, 28, 0));
}

.page-contact .section-head {
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-contact .section-head__title {
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-contact .section-head__aside {
  margin-top: 10px;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

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

.page-contact .channel-switch {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .channel-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 20px 18px;
  text-decoration: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease), background-color 200ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-visible {
  border-color: var(--cyan);
  transform: translateX(4px);
  outline: none;
}

.page-contact .channel-card__num {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-size: var(--fs-14);
  color: var(--cyan);
  border: 1px solid var(--rule);
  border-radius: 50%;
}

.page-contact .channel-card__title {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ice);
}

.page-contact .channel-card__desc {
  grid-column: 2;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .channel-panels {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .channel-panel {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
  box-shadow: inset 0 0 40px rgba(38, 225, 255, 0.04);
  scroll-margin-top: calc(var(--header-h-sm) + 16px);
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-contact .channel-panel:target {
  border-color: var(--cyan);
  box-shadow: inset 0 0 40px rgba(38, 225, 255, 0.08), 0 0 0 1px rgba(38, 225, 255, 0.28);
}

.page-contact .channel-panel__head {
  margin-bottom: 20px;
}

.page-contact .channel-panel__title {
  margin: 12px 0 0;
  font-size: var(--fs-20);
  line-height: 1.35;
  font-weight: 700;
  color: var(--ice);
}

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

.page-contact .support-item {
  padding: 16px 16px 14px;
  border: 1px solid var(--rule);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(5, 11, 28, 0.5);
}

.page-contact .support-item__name {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--ice);
}

.page-contact .support-item__desc {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .support-item__meta {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--pulse);
  word-break: break-all;
}

.page-contact .channel-panel__reply {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-panel__links {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel-panel__links a,
.page-contact .channel-panel__reply a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(38, 225, 255, 0.35);
}

.page-contact .channel-panel__links a:hover,
.page-contact .channel-panel__links a:focus-visible,
.page-contact .channel-panel__reply a:hover,
.page-contact .channel-panel__reply a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .coop-brief {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .coop-brief li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--rule);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .coop-brief li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .coop-brief .mono {
  font-size: var(--fs-14);
  color: var(--lava);
}

/* ---------- 合作类型矩阵 ---------- */
.page-contact .coop-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .coop-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .coop-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  opacity: 0.7;
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  border-color: rgba(38, 225, 255, 0.55);
  transform: translateY(-3px);
}

.page-contact .coop-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  color: var(--cyan);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: rgba(38, 225, 255, 0.06);
}

.page-contact .coop-card__name {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--ice);
}

.page-contact .coop-card__focus {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-card__more {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}

.page-contact .coop-card__more-title {
  margin: 0 0 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-contact .coop-card__more ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 流程 ---------- */
.page-contact .contact-flow {
  border-block: 1px solid var(--rule);
  background: var(--ink-800);
}

.page-contact .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .step {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--pc-card-bg);
}

.page-contact .step__num {
  display: block;
  margin-bottom: 10px;
  font-size: var(--fs-28);
  line-height: 1;
  color: var(--cyan);
}

.page-contact .step--start .step__num {
  color: var(--lava);
}

.page-contact .step__name {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--ice);
}

.page-contact .step__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 内容使用 ---------- */
.page-contact .usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .usage-title {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-contact .usage-lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .usage-list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .usage-item {
  padding-left: 16px;
  border-left: 2px solid var(--violet);
}

.page-contact .usage-item dt {
  margin-bottom: 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--ice);
}

.page-contact .usage-item dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .usage-apply {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .usage-apply .mono {
  color: var(--pulse);
  word-break: break-all;
}

.page-contact .usage-aside {
  padding: 24px 20px;
  border-left: 2px solid var(--cyan);
}

.page-contact .usage-aside__label {
  margin: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .usage-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .usage-aside__list li {
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--rule);
}

.page-contact .usage-aside__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .usage-aside__note {
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--pulse);
}

/* ---------- 运营所在地 ---------- */
.page-contact .place-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: center;
}

.page-contact .place-title {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ice);
}

.page-contact .place-desc {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .place-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .place-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}

.page-contact .place-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .place-list__label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .place-list__value {
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--ice);
  word-break: break-word;
}

.page-contact .place-media {
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-contact .place-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-contact .place-media .media__caption {
  padding: 12px 16px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--rule);
  background: var(--ink-900);
}

/* ---------- 收束信息条 ---------- */
.page-contact .info-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 18px 0 42px;
  margin-top: clamp(20px, 3vw, 36px);
  border-top: 1px solid var(--rule);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .info-bar__item {
  word-break: break-all;
}

.page-contact .info-bar__item:first-child {
  color: var(--ice);
}

.page-contact .info-bar__sep {
  color: var(--rule);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
  }

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

  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 44px;
    right: calc(-1 * var(--pc-gap));
    width: var(--pc-gap);
    height: 1px;
    background: linear-gradient(90deg, var(--rule), rgba(38, 225, 255, 0.45));
  }

  .page-contact .place-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }

  .page-contact .place-list__label {
    padding-top: 4px;
  }
}

@media (min-width: 1000px) {
  .page-contact .channel-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .usage-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .place-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-visible {
    transform: translateX(6px);
  }
}

@media (min-width: 1200px) {
  .page-contact .coop-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 759px) {
  .page-contact .contact-hero__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .page-contact .info-bar {
    flex-direction: column;
    gap: 6px;
  }

  .page-contact .info-bar__sep {
    display: none;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-visible,
  .page-contact .coop-card:hover,
  .page-contact .coop-card:focus-within {
    transform: none;
  }
}
</main>