.page-contact {
  --pc-line: rgba(90, 107, 133, 0.28);
  --pc-line-soft: rgba(90, 107, 133, 0.16);
  --pc-surface: #131C30;
  --pc-surface-2: #1E2A44;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding-bottom: 72px;
}

@media (min-width: 900px) {
  .page-contact {
    padding-bottom: 96px;
  }
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--pc-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.2) 52%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.2) 52%, transparent 84%);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  padding-top: 28px;
  padding-bottom: 36px;
}

@media (min-width: 768px) {
  .page-contact .pc-hero {
    padding-top: 44px;
    padding-bottom: 52px;
  }
}

.page-contact .pc-hero .crumbs {
  margin-bottom: 26px;
}

.page-contact .pc-hero .eyebrow {
  margin: 0 0 18px;
  letter-spacing: 0.2em;
}

.page-contact .pc-hero h1 {
  margin: 0 0 22px;
  max-width: 16ch;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: var(--fs-32);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

@media (min-width: 768px) {
  .page-contact .pc-hero h1 {
    font-size: var(--fs-48);
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-hero h1 {
    font-size: var(--fs-64);
  }
}

.page-contact .pc-hero .lede {
  max-width: 44ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--text-dim);
}

@media (min-width: 768px) {
  .page-contact .pc-hero .lede {
    font-size: var(--fs-18);
  }
}

.page-contact .pc-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__chips li {
  padding: 5px 14px;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-capsule);
  background: rgba(19, 28, 48, 0.7);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

/* ---------- 渠道面板 ---------- */

.page-contact .pc-ch {
  position: relative;
  padding: 28px 22px 30px;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-card);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(45, 225, 194, 0.09), transparent 58%),
    var(--pc-surface);
}

@media (min-width: 768px) {
  .page-contact .pc-ch {
    padding: 40px 36px 44px;
  }
}

.page-contact .pc-ch__grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 1024px) {
  .page-contact .pc-ch__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

.page-contact .pc-ch__title {
  margin: 10px 0 26px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--text);
}

@media (min-width: 768px) {
  .page-contact .pc-ch__title {
    font-size: var(--fs-32);
  }
}

.page-contact .pc-ch__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-ch__item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 20px;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-ch__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-ch__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.13);
}

.page-contact .pc-ch__item:first-child::before {
  top: 8px;
}

.page-contact .pc-ch__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .pc-ch__value {
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.45;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .pc-ch__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .pc-ch__when {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--axis);
}

.page-contact .pc-ch__media {
  margin: 0;
}

.page-contact .pc-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-card);
  background: var(--ink-900);
}

.page-contact .pc-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06);
}

.page-contact .pc-ch__media figcaption {
  margin-top: 12px;
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--axis);
}

/* ---------- 双栏：时段 + 提交清单 ---------- */

.page-contact .pc-split {
  display: grid;
  gap: 28px;
}

@media (min-width: 1024px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 32px;
    align-items: start;
  }
}

.page-contact .pc-panel {
  padding: 26px 22px 28px;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-card);
  background: var(--pc-surface);
}

@media (min-width: 768px) {
  .page-contact .pc-panel {
    padding: 32px 30px 34px;
  }
}

.page-contact .pc-panel--hours {
  border-color: rgba(45, 225, 194, 0.28);
}

.page-contact .pc-panel--prep {
  border-color: rgba(255, 122, 47, 0.24);
}

.page-contact .pc-panel__title {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--text);
}

@media (min-width: 768px) {
  .page-contact .pc-panel__title {
    font-size: var(--fs-32);
  }
}

.page-contact .pc-panel__lead {
  margin: 0 0 22px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .pc-ticks {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-ticks li {
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-soft);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .pc-ticks li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-ticks li .u-mono {
  display: block;
  margin-bottom: 4px;
  font-size: var(--fs-24);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .pc-prep {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .page-contact .pc-prep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .pc-prep__item {
  padding: 18px;
  border: 1px solid var(--pc-line-soft);
  border-radius: 14px;
  background: rgba(30, 42, 68, 0.5);
}

.page-contact .pc-prep__name {
  margin: 0 0 12px;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .pc-prep__list {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-prep__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--text-dim);
}

.page-contact .pc-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--lime);
  border-radius: 50%;
}

.page-contact .pc-prep__list li::after {
  content: "";
  position: absolute;
  left: 3.5px;
  top: 9.5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .pc-prep__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.65;
  color: var(--axis);
}

/* ---------- 合作方向 ---------- */

.page-contact .pc-section-lead {
  max-width: 62ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .pc-section-lead a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .pc-coop {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 900px) {
  .page-contact .pc-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }
}

.page-contact .pc-coop .disclosure {
  border: 1px solid var(--pc-line);
  border-radius: 14px;
  background: rgba(19, 28, 48, 0.75);
  transition: border-color 200ms var(--ease);
}

.page-contact .pc-coop .disclosure:hover {
  border-color: rgba(45, 225, 194, 0.42);
}

.page-contact .pc-coop__body {
  display: grid;
  gap: 10px;
}

.page-contact .pc-coop__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .pc-coop__req {
  padding-top: 10px;
  border-top: 1px dashed var(--pc-line-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--lime);
}

/* ---------- 服务能力 ---------- */

.page-contact .pc-cap {
  padding: 26px 22px;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-card);
  background:
    linear-gradient(90deg, rgba(124, 92, 255, 0.14), transparent 46%),
    var(--pc-surface);
}

@media (min-width: 768px) {
  .page-contact .pc-cap {
    padding: 32px 36px;
  }
}

.page-contact .pc-cap__title {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

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

@media (min-width: 640px) {
  .page-contact .pc-cap__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-cap__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .pc-cap__list li {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--violet);
}

.page-contact .pc-cap__num {
  font-size: var(--fs-24);
  line-height: 1.2;
  color: var(--text);
}

.page-contact .pc-cap__label {
  font-size: var(--fs-12);
  line-height: 1.55;
  color: var(--axis);
}

/* ---------- 备案与属地 ---------- */

.page-contact .pc-legal {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-contact .pc-legal {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }
}

.page-contact .pc-frame--wide {
  aspect-ratio: 10 / 7;
}

.page-contact .pc-legal__title {
  margin: 10px 0 20px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-24);
  line-height: 1.3;
  color: var(--text);
}

@media (min-width: 768px) {
  .page-contact .pc-legal__title {
    font-size: var(--fs-32);
  }
}

.page-contact .pc-legal__meta {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
}

.page-contact .pc-legal__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-legal__row dt {
  font-size: var(--fs-14);
  color: var(--axis);
}

.page-contact .pc-legal__row dd {
  margin: 0;
  font-size: var(--fs-16);
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .pc-legal__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .pc-legal__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 225, 194, 0.4);
}

.page-contact .pc-legal__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-ch,
  .page-contact .pc-panel,
  .page-contact .pc-cap,
  .page-contact .pc-coop .disclosure {
    transition: none;
  }

  .page-contact .pc-coop .disclosure:hover {
    border-color: var(--pc-line);
  }
}