.page-contact {
  --c-radius: 10px;
  --c-hair: rgba(31, 107, 81, 0.5);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: 22px 0 0;
}
.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-contact .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
}
.page-contact .breadcrumb-link:hover {
  color: var(--cyan-soft);
}
.page-contact .breadcrumb-current {
  color: var(--paper);
}

/* ---------- 通用区块节奏 ---------- */
.page-contact .section {
  padding: 56px 0;
}
.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 32px;
}
.page-contact .num-block {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  border-radius: var(--radius);
  background: var(--cyan);
  color: var(--char);
}
.page-contact .section-head-text .eyebrow {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}
.page-contact .section-title {
  margin: 0;
  color: var(--paper);
  line-height: 1.3;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: linear-gradient(180deg, var(--ink) 0%, var(--field) 100%);
}
.page-contact .hero-grid {
  display: grid;
  gap: 28px;
  padding: 30px 0 52px;
}
.page-contact .hero-copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
}
.page-contact .display-title {
  margin: 0;
  color: var(--paper);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.page-contact .hero-lead {
  max-width: 52ch;
  margin: 18px 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 248, 245, 0.88);
}
.page-contact .hero-quick {
  display: grid;
  gap: 0;
  margin: 0;
}
.page-contact .hero-quick-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--c-hair);
}
.page-contact .hero-quick-row:last-child {
  border-bottom: 1px solid var(--c-hair);
}
.page-contact .hero-quick dt {
  font-size: 13px;
  color: var(--muted);
}
.page-contact .hero-quick dd {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-soft);
  overflow-wrap: anywhere;
}
.page-contact .image-frame {
  display: block;
  margin: 0;
  overflow: hidden;
  border-radius: var(--c-radius);
  background: linear-gradient(150deg, var(--turf), var(--ink));
}
.page-contact .image-frame--wide {
  aspect-ratio: 16 / 9;
}
.page-contact .image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .hero-figure {
  border: 1px solid var(--line);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .contact-channels {
  background: var(--field);
}
.page-contact .channels-layout {
  display: grid;
  gap: 16px;
}
.page-contact .channel-stack {
  display: grid;
  gap: var(--seam);
}
.page-contact .channel-card {
  padding: 26px 22px;
  border-radius: var(--c-radius);
  background: var(--paper);
  color: var(--char);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}
.page-contact .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 0 1px var(--cyan), var(--shadow);
}
.page-contact .channel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.page-contact .channel-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 5px 8px;
  border-radius: var(--radius);
  background: var(--char);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
.page-contact .channel-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--char);
}
.page-contact .contact-value {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: clamp(16px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--char);
  overflow-wrap: anywhere;
}
.page-contact .channel-text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-ink);
}
.page-contact .channel-foot {
  margin: 0;
  padding-top: 13px;
  border-top: 1px dashed rgba(10, 21, 18, 0.2);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-ink);
}
.page-contact .region-sketch {
  margin-top: 18px;
  padding: 12px 10px 6px;
  border-radius: var(--radius);
  background: rgba(18, 64, 47, 0.08);
}
.page-contact .region-sketch svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-contact .region-sketch path {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
  stroke-linejoin: round;
}
.page-contact .region-sketch circle {
  fill: var(--orange);
}
.page-contact .region-sketch text {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--muted-ink);
}

/* 右侧指引卡 */
.page-contact .guide-card {
  padding: 26px 22px;
  border-radius: var(--c-radius);
  border: 1px solid var(--line);
  background: linear-gradient(165deg, var(--turf) 0%, var(--field) 100%);
}
.page-contact .guide-card .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}
.page-contact .guide-title {
  margin: 10px 0 20px;
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  line-height: 1.42;
  color: var(--paper);
}
.page-contact .guide-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .guide-list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: break-word;
}
.page-contact .guide-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  margin-top: 4px;
  background: var(--cyan);
  clip-path: polygon(14% 52%, 0 66%, 40% 100%, 100% 22%, 86% 8%, 38% 70%);
}
.page-contact .guide-foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-hair);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .inline-link {
  color: var(--cyan-soft);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 255, 228, 0.45);
  padding-bottom: 1px;
}
.page-contact .inline-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 02 咨询范围 ---------- */
.page-contact .contact-scope {
  background: var(--ink);
}
.page-contact .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .scope-card {
  padding: 24px 22px;
  border-radius: var(--c-radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 64, 47, 0.6), rgba(5, 13, 11, 0.9));
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}
.page-contact .scope-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}
.page-contact .scope-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .scope-card p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 248, 245, 0.82);
  overflow-wrap: break-word;
}
.page-contact .scope-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 255, 228, 0.45);
  padding-bottom: 1px;
}
.page-contact .scope-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 03 合作洽谈 ---------- */
.page-contact .contact-coop {
  background: var(--field);
}
.page-contact .coop-layout {
  display: grid;
  gap: 22px;
}
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 24px;
}
.page-contact .filter-btn {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}
.page-contact .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
}
.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--char);
  font-weight: 700;
}
.page-contact .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .coop-item {
  padding: 24px 22px;
  border-radius: var(--c-radius);
  border-left: 3px solid var(--cyan);
  background: rgba(244, 248, 245, 0.06);
  transition: background 160ms var(--ease), transform 160ms var(--ease);
}
.page-contact .coop-item:hover {
  background: rgba(244, 248, 245, 0.11);
  transform: translateY(-2px);
}
.page-contact .coop-item[hidden] {
  display: none;
}
.page-contact .coop-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .coop-item p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 248, 245, 0.82);
  overflow-wrap: break-word;
}
.page-contact .coop-item .coop-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--orange-soft);
}
.page-contact .coop-side {
  display: grid;
  gap: 16px;
}
.page-contact .coop-figure {
  border: 1px solid var(--line);
  aspect-ratio: 960 / 640;
}
.page-contact .coop-note {
  margin: 0;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--glass);
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 04 回复节奏 ---------- */
.page-contact .contact-pace {
  background: var(--ink);
}
.page-contact .pace-steps {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pace-step {
  padding: 24px 22px;
  border-radius: var(--c-radius);
  border-top: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 64, 47, 0.55), rgba(11, 36, 29, 0.3));
}
.page-contact .pace-num {
  display: inline-block;
  margin-bottom: 13px;
  padding: 4px 9px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(244, 248, 245, 0.1);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
}
.page-contact .pace-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .pace-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 248, 245, 0.8);
  overflow-wrap: anywhere;
}
.page-contact .pace-foot {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .hero-quick-row {
    grid-template-columns: 96px minmax(0, 1fr);
  }
  .page-contact .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding: 84px 0;
  }
  .page-contact .section-head {
    gap: 26px;
    margin-bottom: 46px;
  }
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 7fr);
    align-items: center;
    gap: 46px;
    padding: 46px 0 76px;
  }
  .page-contact .channel-card {
    padding: 30px 28px;
  }
  .page-contact .guide-card {
    padding: 32px 28px;
  }
  .page-contact .pace-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 980px) {
  .page-contact .channels-layout {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 4fr);
    gap: 20px;
    align-items: start;
  }
  .page-contact .guide-card {
    position: sticky;
    top: 96px;
  }
  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 4.5fr);
    gap: 34px;
    align-items: start;
  }
  .page-contact .coop-side {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scope-card,
  .page-contact .coop-item,
  .page-contact .filter-btn {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .scope-card:hover,
  .page-contact .coop-item:hover {
    transform: none;
  }
}