.page-contact {
  --cc-lift: clamp(14px, 2.6vw, 38px);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(120% 85% at 90% 2%, rgba(43, 240, 194, 0.10), transparent 58%),
    radial-gradient(90% 70% at 2% 98%, rgba(255, 138, 61, 0.09), transparent 62%);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5.4vw, 3.35rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 14px 0 16px;
  overflow-wrap: anywhere;
}

.page-contact .hero-copy .lead {
  max-width: 46ch;
  color: var(--muted);
}

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin: clamp(22px, 3.6vw, 32px) 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .hero-stat {
  background: var(--panel);
  padding: 14px 16px 16px;
}

.page-contact .hero-stat dt {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .hero-stat dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.page-contact .hero-stat .num {
  color: var(--mint);
  font-size: 19px;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 30px);
}

.page-contact .hero-media {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(4, 8, 24, 0.55);
  margin: 0;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 渠道分流 ---------- */
.page-contact .route-wrap {
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .route-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  overflow: hidden;
  font-size: 15px;
}

.page-contact .route-table thead th {
  text-align: left;
  padding: 14px 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--muted);
  background: rgba(36, 27, 69, 0.45);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .route-table td {
  padding: 16px 18px;
  vertical-align: top;
  color: var(--text);
  border-bottom: 1px solid var(--line-faint);
  line-height: 1.65;
}

.page-contact .route-table tbody tr {
  transition: background 0.25s var(--ease);
}

.page-contact .route-table tbody tr:hover {
  background: rgba(43, 240, 194, 0.07);
}

.page-contact .route-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .channel-tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--mint);
  border: 1px solid currentColor;
  background: rgba(43, 240, 194, 0.08);
}

.page-contact .channel-tag--ask {
  color: var(--gold);
  background: rgba(242, 201, 76, 0.08);
}

.page-contact .channel-tag--biz {
  color: var(--amber);
  background: rgba(255, 138, 61, 0.09);
}

.page-contact .channel-tag--net {
  color: #7FD4E8;
  background: rgba(127, 212, 232, 0.09);
}

/* ---------- 三条渠道 ---------- */
.page-contact .channel-cards {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .channel-card {
  position: relative;
  background: linear-gradient(180deg, rgba(36, 27, 69, 0.6), rgba(18, 21, 31, 0.96));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  padding: clamp(20px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: var(--mint);
}

.page-contact .channel-card--phone::before {
  background: var(--amber);
}

.page-contact .channel-card--addr::before {
  background: var(--teal);
}

.page-contact .channel-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .channel-value {
  display: block;
  margin: 12px 0 14px;
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-value.is-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .channel-note {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-sub {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-faint);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel-card .copy-chip {
  margin-top: 4px;
}

/* ---------- 处理流程 ---------- */
.page-contact .process-grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 34px);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .process-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.page-contact .process-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .flow-list {
  display: grid;
  gap: 14px;
  align-items: start;
}

.page-contact .flow-item {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-contact .flow-item:hover {
  border-color: rgba(43, 240, 194, 0.5);
}

.page-contact .flow-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  color: var(--text);
  font: inherit;
  font-weight: 700;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

.page-contact .flow-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(43, 240, 194, 0.12);
  color: var(--mint);
  font-size: 12px;
}

.page-contact .flow-trigger .accordion-marker {
  margin-left: auto;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
}

.page-contact .flow-item .accordion-panel {
  padding: 0 18px 18px 58px;
  border-top: 1px solid var(--line-faint);
  margin-top: 0;
}

.page-contact .flow-item .accordion-panel p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow-item .accordion-panel .num {
  color: var(--mint);
}

/* ---------- 合作 ---------- */
.page-contact .collab-grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 34px);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-contact .collab-item {
  padding: 4px 0 18px 18px;
  border-left: 2px solid var(--mint);
  margin-bottom: 20px;
}

.page-contact .collab-item:last-child {
  margin-bottom: 0;
}

.page-contact .collab-name {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

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

.page-contact .collab-panel {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-xl);
}

.page-contact .collab-reqs {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .collab-reqs li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .collab-reqs li:last-child {
  border-bottom: 0;
}

.page-contact .collab-reqs li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.page-contact .collab-flow {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 地区与备案 ---------- */
.page-contact .facts-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(18px, 2.8vw, 26px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: rgba(18, 21, 31, 0.72);
}

.page-contact .fact-item {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .fact-item strong {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .facts-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .facts-note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 194, 0.45);
}

.page-contact .facts-note a:hover {
  border-bottom-color: var(--mint);
}

/* ---------- 窄屏：表格转为堆叠卡 ---------- */
@media (max-width: 767px) {
  .page-contact .route-table {
    border: 0;
    background: transparent;
    border-radius: 0;
    overflow: visible;
  }

  .page-contact .route-table thead {
    display: none;
  }

  .page-contact .route-table,
  .page-contact .route-table tbody,
  .page-contact .route-table tr,
  .page-contact .route-table td {
    display: block;
    width: 100%;
  }

  .page-contact .route-table tr {
    background: var(--panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--r-lg);
    padding: 16px 16px 6px;
    margin-bottom: 14px;
  }

  .page-contact .route-table tbody tr:hover {
    background: var(--panel);
  }

  .page-contact .route-table td {
    border: 0;
    padding: 6px 0 10px;
  }

  .page-contact .route-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--muted);
  }

  .page-contact .flow-item .accordion-panel {
    padding-left: 18px;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 宽屏：错位台阶与双栏 ---------- */
@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .channel-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 22px;
  }

  .page-contact .channel-card {
    min-height: 250px;
  }

  .page-contact .channel-card--phone {
    margin-top: calc(var(--cc-lift) * 0.6);
  }

  .page-contact .channel-card--addr {
    margin-top: calc(var(--cc-lift) * 1.2);
  }

  .page-contact .process-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

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

  .page-contact .collab-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .route-table tbody tr,
  .page-contact .flow-item {
    transition: none;
  }
}