.page-contact {
  --pc-warm: var(--orange);
  --pc-gold: var(--amber);
  --pc-panel: rgba(20, 34, 74, 0.78);
  --pc-edge: rgba(232, 163, 61, 0.3);
  --pc-soft: rgba(242, 246, 250, 0.68);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--ink);
  padding-bottom: clamp(36px, 7vw, 88px);
  background:
    radial-gradient(1200px 680px at 94% -8%, rgba(255, 106, 26, 0.17), transparent 62%),
    radial-gradient(900px 560px at -10% 34%, rgba(232, 163, 61, 0.12), transparent 64%);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .selectable {
  user-select: all;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: calc(var(--header-h) + 18px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding-top: clamp(20px, 4vw, 40px);
}

.page-contact .contact-intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .contact-title {
  margin: 14px 0 0;
  font-size: clamp(2.1rem, 7.4vw, 4.1rem);
  font-weight: 250;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--pc-soft);
}

.page-contact .contact-intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-intro-media {
  position: relative;
  border: 1px solid var(--pc-edge);
  box-shadow: 10px 10px 0 rgba(232, 163, 61, 0.13);
}

.page-contact .contact-intro-media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
  filter: saturate(1.05) contrast(1.06);
}

.page-contact .contact-intro-media .media-cap {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- 三条联系路径 ---------- */
.page-contact .channel-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--pc-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--pc-warm);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-contact .channel-card--phone {
  border-top-color: var(--pc-gold);
}

.page-contact .channel-card--help {
  border-top-color: var(--blue);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-5px);
  border-color: var(--pc-edge);
  box-shadow: 8px 10px 0 rgba(255, 106, 26, 0.14);
}

.page-contact .channel-glyph {
  display: block;
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--pc-edge);
  margin-bottom: 16px;
}

.page-contact .channel-glyph::before {
  content: "";
  position: absolute;
  inset: 11px;
  background: var(--pc-warm);
}

.page-contact .channel-card--phone .channel-glyph::before {
  border-radius: 50%;
  background: var(--pc-gold);
}

.page-contact .channel-card--help .channel-glyph::before {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  background: var(--blue);
}

.page-contact .channel-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pc-gold);
}

.page-contact .channel-name {
  margin: 8px 0 0;
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .channel-value {
  margin: 12px 0 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .channel-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 155, 255, 0.45);
  padding-bottom: 2px;
}

.page-contact .channel-link:hover,
.page-contact .channel-link:focus-visible {
  color: var(--pc-warm);
  border-bottom-color: var(--pc-warm);
}

.page-contact .channel-desc {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .channel-hint {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  transition: max-height 0.4s var(--ease), opacity 0.32s var(--ease), margin-top 0.4s var(--ease);
}

.page-contact .channel-card:hover .channel-hint,
.page-contact .channel-card:focus-within .channel-hint {
  max-height: 260px;
  opacity: 1;
  margin-top: 16px;
}

.page-contact .channel-hint p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--pc-soft);
}

.page-contact .channel-hint-label {
  margin-bottom: 6px !important;
  font-size: 11px !important;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint) !important;
}

@media (hover: none) {
  .page-contact .channel-hint {
    max-height: none;
    opacity: 1;
    margin-top: 16px;
  }
}

/* ---------- 合作方向 ---------- */
.page-contact .dir-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .dir-card {
  position: relative;
  padding: 0;
  background: var(--pc-panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .dir-card summary {
  position: relative;
  display: block;
  padding: 26px 22px 22px;
  cursor: pointer;
  list-style: none;
}

.page-contact .dir-card summary::-webkit-details-marker {
  display: none;
}

.page-contact .dir-card summary::after {
  content: "+";
  position: absolute;
  top: 22px;
  right: 20px;
  font-family: var(--font-num);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--pc-warm);
}

.page-contact .dir-card[open] summary::after {
  content: "–";
}

.page-contact .dir-corner {
  position: absolute;
  top: 0;
  left: 0;
  padding: 5px 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--pc-warm);
}

.page-contact .dir-card--data .dir-corner {
  background: var(--blue);
  color: var(--ink);
}

.page-contact .dir-card--fan .dir-corner {
  background: var(--spring);
  color: var(--bg);
}

.page-contact .dir-name {
  margin: 22px 0 0;
  font-size: 1.22rem;
  font-weight: 600;
}

.page-contact .dir-sub {
  margin: 8px 0 0;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--pc-gold);
}

.page-contact .dir-body {
  padding: 0 22px 26px;
}

.page-contact .dir-body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

.page-contact .dir-list-label {
  margin: 18px 0 10px !important;
  font-size: 11px !important;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint) !important;
}

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

.page-contact .dir-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .dir-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--pc-warm);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  position: relative;
  margin-bottom: 24px;
}

.page-contact .flow-node {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  text-decoration: none;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pc-warm);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), background 0.28s var(--ease);
}

.page-contact .flow-node:hover,
.page-contact .flow-node:focus-visible {
  transform: translateY(-4px);
  border-color: var(--pc-edge);
  background: rgba(20, 34, 74, 0.96);
}

.page-contact .flow-no {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--pc-warm);
}

.page-contact .flow-name {
  font-size: 0.95rem;
  font-weight: 500;
}

.page-contact .stage-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .stage-card {
  padding: 24px 22px;
  background: var(--pc-panel);
  border: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-contact .stage-time {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pc-gold);
}

.page-contact .stage-name {
  margin: 10px 0 0;
  font-size: 1.18rem;
  font-weight: 600;
}

.page-contact .stage-card p:last-child {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

/* ---------- 支持项 ---------- */
.page-contact .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .support-item {
  position: relative;
  padding: 28px 22px 24px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--pc-gold);
  background: linear-gradient(160deg, rgba(232, 163, 61, 0.09), rgba(20, 34, 74, 0.7) 46%);
}

.page-contact .support-mark {
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--pc-warm);
}

.page-contact .support-name {
  margin: 0;
  font-size: 1.16rem;
  font-weight: 600;
}

.page-contact .support-item p {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--pc-soft);
}

/* ---------- 地址 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .visit-media {
  position: relative;
  border: 1px solid var(--pc-edge);
  box-shadow: 10px 10px 0 rgba(46, 155, 255, 0.12);
}

.page-contact .visit-media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .visit-media .media-cap {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .visit-facts {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .visit-fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 18px;
  background: var(--bg);
}

.page-contact .visit-fact dt {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pc-gold);
}

.page-contact .visit-fact dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .visit-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--pc-warm);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--pc-soft);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg);
  transition: background 0.28s var(--ease);
}

.page-contact .prep-item:hover {
  background: rgba(20, 34, 74, 0.85);
}

.page-contact .prep-box {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--pc-edge);
  position: relative;
}

.page-contact .prep-item:hover .prep-box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 5px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--mint);
  border-bottom: 2px solid var(--mint);
  transform: rotate(-45deg);
}

.page-contact .prep-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 收尾 ---------- */
.page-contact .closing-card {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--pc-edge);
  background:
    linear-gradient(135deg, rgba(255, 106, 26, 0.14), rgba(20, 34, 74, 0.86) 58%);
}

.page-contact .closing-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pc-gold);
}

.page-contact .closing-title {
  margin: 12px 0 0;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .closing-text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--pc-soft);
}

.page-contact .closing-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 155, 255, 0.45);
}

.page-contact .closing-link:hover,
.page-contact .closing-link:focus-visible {
  color: var(--pc-warm);
  border-bottom-color: var(--pc-warm);
}

.page-contact .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-contact .visit-fact {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-intro-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
  }

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

  .page-contact .dir-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .dir-card--data {
    margin-top: 44px;
  }

  .page-contact .dir-card--fan {
    margin-top: 88px;
  }

  .page-contact .flow-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .flow-rail::before {
    content: "";
    position: absolute;
    left: 2%;
    right: 2%;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pc-edge) 14%, var(--pc-edge) 86%, transparent);
    z-index: 0;
  }

  .page-contact .flow-node {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 20px;
  }

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

  .page-contact .support-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 60px);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-title {
    max-width: 15ch;
  }
}