.page-contact {
  --ct-mist: #E9F0F8;
  --ct-line: #D3E1EE;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

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

.page-contact .ct-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grass-bright);
}

.page-contact .ct-kicker--dark {
  color: var(--river);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 26px 0 46px;
  color: var(--paper);
  background: linear-gradient(150deg, var(--river) 0%, var(--river) 45%, var(--river-deep) 100%);
  overflow: hidden;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -32%;
  width: 58%;
  height: 152%;
  background: rgba(169, 198, 228, 0.08);
  transform: rotate(6deg);
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .ct-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 13px;
  color: var(--glass);
}

.page-contact .ct-crumbs a {
  color: var(--glass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .ct-crumbs a:hover {
  color: var(--paper);
  border-bottom-color: var(--grass-bright);
}

.page-contact .ct-crumbs [aria-current="page"] {
  color: var(--paper);
}

.page-contact .ct-crumb-sep {
  color: rgba(169, 198, 228, 0.55);
}

.page-contact .ct-hero-title {
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.06;
  color: var(--paper);
  max-width: 15em;
}

.page-contact .ct-lede {
  margin: 18px 0 0;
  font-size: 17px;
  color: #DDE9F5;
  max-width: 34em;
}

.page-contact .ct-lede-sub {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--glass);
  max-width: 34em;
}

.page-contact .ct-board {
  position: relative;
  background: var(--river-deep);
  border: 1px solid var(--glass-22);
  padding: 20px 18px 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .ct-board-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .ct-board-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-board-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(169, 198, 228, 0.16);
}

.page-contact .ct-board-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-board-key {
  font-size: 13px;
  color: var(--glass);
}

.page-contact .ct-board-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  text-align: right;
}

.page-contact .ct-board-figure {
  margin: 0 -18px;
  height: 148px;
  overflow: hidden;
}

.page-contact .ct-board-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* ---------- 区块头 ---------- */
.page-contact .ct-head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-contact .ct-head h2 {
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.15;
  color: var(--charcoal);
}

.page-contact .ct-head-note {
  margin: 0;
  font-size: 14px;
  color: var(--grey);
  max-width: 30em;
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-tracks {
  padding: 44px 0 12px;
}

.page-contact .ct-track-grid {
  display: grid;
  gap: 18px;
}

.page-contact .ct-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .ct-track h3 {
  font-size: 20px;
  line-height: 1.2;
}

.page-contact .ct-track p {
  margin: 0;
  font-size: 15px;
}

.page-contact .ct-track .ct-track-for {
  font-size: 13px;
  color: var(--grey);
  letter-spacing: 0.01em;
}

.page-contact .ct-track-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .ct-track--data {
  background: #FFFFFF;
  border-top: 3px solid var(--grass);
  box-shadow: 0 1px 0 var(--ct-line);
}

.page-contact .ct-track--data:hover {
  transform: translateY(-2px);
  border-top-color: #1E9E5B;
  box-shadow: 0 14px 26px rgba(10, 42, 74, 0.14);
}

.page-contact .ct-track--venue {
  background: var(--ct-mist);
  border-left: 3px solid var(--orange);
}

.page-contact .ct-track--venue:hover {
  transform: translateY(-2px);
  border-left-color: #E2531B;
}

.page-contact .ct-track--brand {
  background: var(--river);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .ct-track--brand h3 {
  color: var(--paper);
}

.page-contact .ct-track--brand p {
  color: #D9E6F3;
}

.page-contact .ct-track--brand .ct-track-for {
  color: var(--glass);
}

.page-contact .ct-track--brand .ct-track-index {
  color: var(--grass-bright);
}

.page-contact .ct-track--brand:hover {
  transform: translateY(-2px);
}

.page-contact .ct-track-need {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--ct-line);
  font-size: 13px;
  color: var(--grey);
}

.page-contact .ct-track-need span {
  display: inline-block;
  margin-right: 6px;
  font-weight: 700;
  color: var(--charcoal);
}

.page-contact .ct-track--brand .ct-track-need {
  border-top-color: rgba(169, 198, 228, 0.3);
  color: var(--glass);
}

.page-contact .ct-track--brand .ct-track-need span {
  color: var(--paper);
}

/* ---------- 流程 ---------- */
.page-contact .ct-flow {
  padding: 46px 0 42px;
}

.page-contact .ct-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .ct-step {
  position: relative;
}

.page-contact .ct-step-num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 10px;
  background: var(--paper);
  border: 1px solid var(--river);
  color: var(--river);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .ct-step-when {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .ct-step h3 {
  font-size: 18px;
  line-height: 1.25;
  margin-bottom: 6px;
  color: var(--charcoal);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14px;
  color: #3A4652;
  max-width: 26em;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-reach {
  padding: 44px 0 46px;
  background: var(--ct-mist);
}

.page-contact .ct-reach-grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-reach-copy h2 {
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.15;
  margin-bottom: 14px;
  color: var(--charcoal);
}

.page-contact .ct-reach-copy p {
  margin: 0 0 14px;
  font-size: 16px;
  max-width: 32em;
}

.page-contact .ct-reach-copy strong {
  color: var(--river);
  font-weight: 700;
}

.page-contact .ct-reach-routes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-reach-routes a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--river);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .ct-reach-routes a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-contact .ct-reach-routes a:hover {
  border-bottom-color: var(--grass);
}

.page-contact .ct-panel {
  background: var(--river);
  color: var(--paper);
  padding: 24px 22px 26px;
  border-left: 4px solid var(--grass);
}

.page-contact .ct-panel-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--grass-bright);
}

.page-contact .ct-panel-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--glass);
}

.page-contact .ct-panel-tel {
  margin: 4px 0 16px;
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .ct-panel-mail {
  margin: 4px 0 16px;
  font-size: 15px;
  color: var(--paper);
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-panel-addr {
  margin: 4px 0 16px;
  font-size: 15px;
  color: var(--paper);
}

.page-contact .ct-panel-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(169, 198, 228, 0.25);
  font-size: 12px;
  line-height: 1.65;
  color: var(--glass);
}

/* ---------- 问答 ---------- */
.page-contact .ct-faq {
  padding: 46px 0 44px;
}

.page-contact .ct-qa {
  max-width: 58em;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-qa-item {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 34px 15px 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--charcoal);
  transition: color 120ms var(--ease);
}

.page-contact .ct-qa summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-qa summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
}

.page-contact .ct-qa-item[open] summary::after {
  content: "−";
}

.page-contact .ct-qa summary:hover {
  color: var(--river);
}

.page-contact .ct-qa summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .ct-qa-body {
  padding: 0 24px 18px 0;
}

.page-contact .ct-qa-body p {
  margin: 0;
  font-size: 15px;
  color: #3A4652;
}

/* ---------- 紧急提示 ---------- */
.page-contact .ct-urgent {
  padding: 0 0 48px;
}

.page-contact .ct-urgent-inner {
  padding: 22px 20px;
  background: var(--orange-12);
  border-left: 4px solid var(--orange);
}

.page-contact .ct-urgent-inner h2 {
  margin-bottom: 10px;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.2;
  color: var(--charcoal);
}

.page-contact .ct-urgent-inner p {
  margin: 0 0 18px;
  font-size: 15px;
  color: #3A4652;
  max-width: 46em;
}

.page-contact .ct-urgent-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-contact .ct-urgent-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--river);
  text-decoration: none;
  border-bottom: 2px solid var(--grass);
  padding-bottom: 2px;
  transition: border-color 120ms var(--ease);
}

.page-contact .ct-urgent-link:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 页尾横幅 ---------- */
.page-contact .ct-horizon {
  position: relative;
  padding: 50px 0 54px;
  background: var(--river-deep);
  overflow: hidden;
}

.page-contact .ct-horizon-img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-contact .ct-horizon-body {
  position: relative;
  z-index: 1;
  color: var(--paper);
}

.page-contact .ct-horizon-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(22px, 4.2vw, 30px);
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .ct-horizon-text {
  margin: 0 0 20px;
  font-size: 15px;
  color: #D3E3F2;
  max-width: 38em;
}

.page-contact .ct-horizon-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .ct-horizon-links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--grass-bright);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .ct-horizon-links a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .ct-head {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-contact .ct-head-note {
    padding-bottom: 4px;
    text-align: right;
    justify-self: end;
  }

  .page-contact .ct-track-grid {
    grid-template-columns: 1.12fr 0.94fr 1fr;
    align-items: start;
    gap: 20px;
  }

  .page-contact .ct-track--venue {
    margin-top: 20px;
  }

  .page-contact .ct-track--brand {
    margin-top: 8px;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .ct-steps::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 21px;
    border-top: 1px dashed rgba(10, 42, 74, 0.38);
    z-index: 0;
  }

  .page-contact .ct-reach-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 34px 0 66px;
  }

  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-board {
    margin-top: 52px;
  }

  .page-contact .ct-tracks {
    padding: 56px 0 16px;
  }

  .page-contact .ct-flow {
    padding: 56px 0 50px;
  }

  .page-contact .ct-reach {
    padding: 54px 0 56px;
  }

  .page-contact .ct-faq {
    padding: 56px 0 50px;
  }

  .page-contact .ct-urgent {
    padding: 0 0 58px;
  }

  .page-contact .ct-horizon {
    padding: 64px 0 68px;
  }
}