.page-contact {
  --ct-line-hair: 1px solid var(--line);
  padding-bottom: 8px;
}

/* 面包屑定位 */
.page-contact .breadcrumb {
  margin-bottom: 14px;
}

/* ========== 首屏 ========== */
.page-contact .ct-hero {
  padding-block: 24px 0;
  background:
    radial-gradient(120% 80% at 88% -10%, rgba(124, 255, 61, 0.10), transparent 60%),
    radial-gradient(90% 70% at 8% 0%, rgba(255, 90, 43, 0.07), transparent 62%);
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.005em;
  margin: 10px 0 16px;
  max-width: 16ch;
}

.page-contact .ct-hero__lede {
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  max-width: 44ch;
  margin: 0 0 22px;
}

.page-contact .ct-hero__metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  border-top: var(--ct-line-hair);
  padding-top: 16px;
}

.page-contact .ct-hero__metrics li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-hero__num {
  font-size: 20px;
  color: var(--lime);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ========== 四步横向坐标轴 ========== */
.page-contact .ct-track {
  margin-top: 30px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  padding: 4px 0 14px;
  -webkit-overflow-scrolling: touch;
  mask-image: linear-gradient(90deg, transparent 0, #000 18px, #000 calc(100% - 26px), transparent 100%);
}

.page-contact .ct-track__inner {
  display: flex;
  min-width: max-content;
  padding-inline: var(--gutter);
}

.page-contact .ct-node {
  flex: 0 0 min(74vw, 270px);
  scroll-snap-align: start;
  position: relative;
  background: var(--ink-2);
  border: var(--ct-line-hair);
  border-radius: var(--r-sm);
  padding: 20px 18px 22px;
  margin-right: 22px;
  transition: border-color var(--dur), background var(--dur), transform var(--dur);
}

.page-contact .ct-node:last-child {
  margin-right: 0;
}

.page-contact .ct-node::after {
  content: "";
  position: absolute;
  top: 40px;
  right: -22px;
  width: 22px;
  height: 1px;
  background: var(--line);
}

.page-contact .ct-node:last-child::after {
  display: none;
}

.page-contact .ct-node:hover,
.page-contact .ct-node:focus-visible {
  border-color: var(--line-hi);
  background: var(--surface);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .ct-node:focus-visible {
  box-shadow: 0 0 0 2px var(--lime);
}

.page-contact .ct-node__step {
  display: block;
  font-size: 26px;
  font-weight: 600;
  color: var(--lime);
  line-height: 1;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.page-contact .ct-node__title {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
}

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

/* ========== 三类合作对象 ========== */
.page-contact .ct-partners {
  padding-top: 8px;
}

.page-contact .ct-partners__split {
  display: grid;
  gap: 22px;
}

.page-contact .ct-partners__list {
  display: grid;
  gap: 16px;
}

.page-contact .ct-partner {
  background: var(--ink-2);
  border: var(--ct-line-hair);
  border-radius: var(--r-md);
  padding: 20px;
  transition: border-color var(--dur), transform var(--dur), background var(--dur);
}

.page-contact .ct-partner:hover {
  border-color: var(--line-hi);
  background: var(--surface);
  transform: translateY(-2px);
}

.page-contact .ct-partner__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin: 12px 0 8px;
  letter-spacing: 0.01em;
}

.page-contact .ct-partner p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-partners__media {
  margin: 0;
}

/* ========== 你准备什么 / 我们给什么 ========== */
.page-contact .ct-handoff {
  padding-top: 12px;
}

.page-contact .ct-handoff__media {
  margin: 0 0 22px;
}

.page-contact .ct-split {
  display: grid;
  gap: 20px;
}

.page-contact .ct-panel {
  background: var(--ink-2);
  border: var(--ct-line-hair);
  border-radius: var(--r-md);
  padding: 22px 20px;
}

.page-contact .ct-panel--accent {
  background: linear-gradient(160deg, var(--surface) 0%, var(--ink-2) 100%);
  border-color: var(--line-hi);
}

.page-contact .ct-panel__title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}

.page-contact .ct-panel__note {
  margin: 0 0 14px;
  font-size: 13.5px;
}

/* 字段清单 */
.page-contact .ct-fields {
  margin: 0;
  display: grid;
}

.page-contact .ct-field {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-top: var(--ct-line-hair);
}

.page-contact .ct-field:first-child {
  border-top: none;
  padding-top: 2px;
}

.page-contact .ct-field__key {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--lime);
  padding-top: 3px;
}

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

/* 回报列表 */
.page-contact .ct-returns {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-returns li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 4px 12px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: var(--ct-line-hair);
}

.page-contact .ct-returns li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .ct-returns__mark {
  grid-row: span 2;
  font-size: 13px;
  font-weight: 600;
  color: var(--on-lime);
  background: var(--lime);
  border-radius: var(--r-xs);
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  align-self: start;
}

.page-contact .ct-returns strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .ct-returns span:last-child {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ========== 联系通道 ========== */
.page-contact .ct-reach {
  padding-top: 12px;
}

.page-contact .ct-contact {
  border: var(--ct-line-hair);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .ct-contact__row {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-top: var(--ct-line-hair);
  transition: background var(--dur);
}

.page-contact .ct-contact__row:first-child {
  border-top: none;
}

.page-contact .ct-contact__row:hover {
  background: var(--surface);
}

.page-contact .ct-contact__key {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .ct-contact__val {
  font-size: 14.5px;
  line-height: 1.72;
}

.page-contact .ct-contact__strong {
  color: var(--lime);
  font-weight: 600;
  word-break: break-all;
}

/* ========== 地域与备案 ========== */
.page-contact .ct-region {
  padding-top: 8px;
}

.page-contact .ct-region__grid {
  display: grid;
  gap: 20px;
}

.page-contact .ct-region__facts {
  margin: 0;
  display: grid;
  gap: 0;
  border: var(--ct-line-hair);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .ct-region__fact {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 12px;
  padding: 15px 20px;
  border-top: var(--ct-line-hair);
}

.page-contact .ct-region__fact:first-child {
  border-top: none;
}

.page-contact .ct-region__fact dt {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-contact .ct-region__fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
}

.page-contact .ct-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: var(--ct-line-hair);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-contact .ct-region__more {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: var(--ct-line-hair);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-region__more a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-region__more a:hover {
  color: var(--text);
}

/* ========== 响应式 ========== */
@media (min-width: 720px) {
  .page-contact .ct-hero {
    padding-block: 40px 0;
  }

  .page-contact .ct-hero__lede {
    font-size: 17px;
  }

  .page-contact .ct-track {
    mask-image: none;
    overflow: visible;
  }

  .page-contact .ct-track__inner {
    min-width: 0;
    padding-inline: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
  }

  .page-contact .ct-node {
    flex: none;
    margin-right: 0;
  }

  .page-contact .ct-node::after {
    right: -22px;
    width: 22px;
  }

  .page-contact .ct-partners__split {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
    gap: 28px;
  }

  .page-contact .ct-split {
    grid-template-columns: 1.18fr 0.82fr;
    gap: 24px;
  }

  .page-contact .ct-region__grid {
    grid-template-columns: 1.5fr 0.85fr;
    align-items: start;
    gap: 28px;
  }

  .page-contact .ct-contact__row {
    grid-template-columns: 130px 1fr;
    align-items: baseline;
    gap: 20px;
    padding: 20px 24px;
  }

  .page-contact .ct-contact__key {
    font-size: 12.5px;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-hero__title {
    margin-top: 14px;
  }

  .page-contact .ct-node {
    padding: 26px 22px 28px;
  }

  .page-contact .ct-panel {
    padding: 28px 26px;
  }

  .page-contact .ct-partner {
    padding: 24px;
  }

  .page-contact .ct-field {
    grid-template-columns: 96px 1fr;
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-node,
  .page-contact .ct-partner,
  .page-contact .ct-contact__row {
    transition: none;
  }
  .page-contact .ct-node:hover,
  .page-contact .ct-node:focus-visible,
  .page-contact .ct-partner:hover {
    transform: none;
  }
}
</main>