.page-contact {
  --pt-line: rgba(201, 162, 39, 0.28);
  --pt-line-strong: rgba(201, 162, 39, 0.55);
  --pt-panel: linear-gradient(180deg, rgba(27, 42, 46, 0.92), rgba(15, 32, 36, 0.88));
  --pt-hair: rgba(90, 74, 30, 0.55);
  display: block;
  color: var(--paper);
  font-family: var(--font-body);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(46, 111, 115, 0.22), transparent 62%),
    radial-gradient(760px 420px at 4% 42%, rgba(201, 162, 39, 0.07), transparent 68%);
}

.page-contact h1,
.page-contact .display {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 11px;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-contact .display {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
}

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

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: calc(var(--header-h) + 22px);
}
.page-contact .crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--pt-line-strong);
}
.page-contact .crumbs li:last-child {
  color: var(--gold-light);
}

/* ---------- 首屏 ---------- */
.page-contact .pt-mast {
  padding-top: clamp(26px, 4vw, 44px);
}
.page-contact .pt-mast-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
}
.page-contact h1 {
  font-size: clamp(32px, 6.6vw, 66px);
  font-weight: 800;
  margin-bottom: 20px;
}
.page-contact .pt-mast-main .lede {
  max-width: 60ch;
  color: var(--paper);
  opacity: 0.86;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  margin: 0;
}
.page-contact .pt-mast-note {
  display: grid;
  gap: 10px;
  padding: 6px 0 6px 20px;
  border-left: 1px solid var(--pt-line-strong);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
}
.page-contact .pt-note-line {
  margin: 0;
}
.page-contact .pt-mast-note .mono {
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.page-contact .pt-mast-figure {
  margin: clamp(30px, 5vw, 58px) auto 0;
}
.page-contact .pt-mast-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2000 / 700;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(90, 74, 30, 0.45);
}

/* ---------- 合作方向 ---------- */
.page-contact .pt-dirs {
  padding: clamp(60px, 9vw, 118px) 0 clamp(40px, 6vw, 76px);
}
.page-contact .pt-dirs-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: 1fr;
}
.page-contact .pt-rail-note {
  margin: 16px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.85;
  max-width: 30ch;
}
.page-contact .pt-rail-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .pt-rail-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 16px;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background 0.24s var(--ease);
}
.page-contact .pt-rail-link::before {
  content: "";
  flex: none;
  width: 3px;
  height: 16px;
  border-radius: 2px;
  background: var(--hairline);
  transition: background 0.24s var(--ease), height 0.24s var(--ease);
}
.page-contact .pt-rail-link:hover,
.page-contact .pt-rail-link:focus-visible {
  border-color: var(--gold);
  color: var(--gold-light);
}
.page-contact .pt-rail-link.is-active {
  background: rgba(201, 162, 39, 0.13);
  border-color: rgba(201, 162, 39, 0.5);
  color: var(--gold-light);
}
.page-contact .pt-rail-link.is-active::before {
  background: var(--gold);
  height: 26px;
}

.page-contact .pt-dirs-panels {
  display: grid;
  gap: 20px;
}
.page-contact .pt-dir-panel {
  background: var(--pt-panel);
  border: 1px solid var(--pt-hair);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.4vw, 38px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-contact .pt-dir-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}
.page-contact .pt-dir-index {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.page-contact .pt-dir-panel h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 800;
}
.page-contact .pt-dir-lede {
  margin: 0;
  color: var(--paper);
  opacity: 0.85;
  font-size: 15px;
  line-height: 1.9;
}
.page-contact .pt-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pt-facts li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(90, 74, 30, 0.38);
  font-size: 15px;
  line-height: 1.85;
}
.page-contact .pt-fact-key {
  color: var(--gold-light);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.page-contact .pt-fact-val {
  color: var(--paper);
  opacity: 0.88;
}
.page-contact .pt-dir-more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .pt-dir-more a,
.page-contact .pt-reach-privacy a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--pt-line);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}
.page-contact .pt-dir-more a:hover,
.page-contact .pt-reach-privacy a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 洽谈流程 ---------- */
.page-contact .pt-flow {
  padding: clamp(56px, 8vw, 104px) 0;
  background: linear-gradient(180deg, rgba(15, 32, 36, 0.82), rgba(11, 15, 16, 0));
  border-top: 1px solid rgba(90, 74, 30, 0.34);
}
.page-contact .pt-flow-grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 64px);
  grid-template-columns: 1fr;
}
.page-contact .pt-flow-lede {
  margin: 16px 0 30px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.9;
  max-width: 46ch;
}
.page-contact .pt-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .pt-step details {
  border-top: 1px solid rgba(90, 74, 30, 0.5);
}
.page-contact .pt-step:last-child details {
  border-bottom: 1px solid rgba(90, 74, 30, 0.5);
}
.page-contact .pt-step summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: color 0.24s var(--ease);
}
.page-contact .pt-step summary::-webkit-details-marker {
  display: none;
}
.page-contact .pt-step summary:hover {
  color: var(--gold-light);
}
.page-contact .pt-step-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-contact .pt-step-name {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.1vw, 21px);
  letter-spacing: -0.01em;
}
.page-contact .pt-step-cycle {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}
.page-contact .pt-step details[open] summary {
  color: var(--gold-light);
}
.page-contact .pt-step details[open] .pt-step-cycle {
  color: rgba(230, 214, 155, 0.8);
}
.page-contact .pt-step-body {
  padding: 0 4px 22px 48px;
}
.page-contact .pt-step-body p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.9;
}
.page-contact .pt-flow-figure {
  margin: 0;
}
.page-contact .pt-flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pt-hair);
}
.page-contact .pt-flow-figure .media-caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 准备材料 ---------- */
.page-contact .pt-prep {
  padding: clamp(56px, 8vw, 104px) 0;
}
.page-contact .pt-prep-head {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(28px, 4vw, 46px);
}
.page-contact .pt-prep-lede {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.9;
  max-width: 52ch;
}
.page-contact .pt-prep-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
.page-contact .pt-prep-card {
  border: 1px solid var(--pt-hair);
  border-radius: var(--radius-md);
  background: rgba(27, 42, 46, 0.6);
  padding: clamp(20px, 3vw, 30px);
}
.page-contact .pt-prep-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pt-line);
  color: var(--gold-light);
  letter-spacing: -0.01em;
}
.page-contact .pt-prep-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .pt-prep-card li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
}
.page-contact .pt-prep-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ripple);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pt-reach {
  padding: clamp(56px, 8vw, 104px) 0;
  border-top: 1px solid rgba(90, 74, 30, 0.34);
}
.page-contact .pt-reach-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 42px);
}
.page-contact .pt-reach-card {
  border: 1px solid var(--pt-hair);
  border-radius: var(--radius-md);
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(180deg, rgba(15, 32, 36, 0.9), rgba(11, 15, 16, 0.6));
}
.page-contact .pt-reach-card--wide {
  border-color: var(--pt-line-strong);
}
.page-contact .pt-reach-key {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.page-contact .pt-reach-val {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}
.page-contact .pt-reach-note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .pt-mail-format {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-md);
  border: 1px dashed var(--pt-line-strong);
  background: rgba(46, 111, 115, 0.12);
}
.page-contact .pt-mail-format-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.page-contact .pt-mail-format-code {
  margin: 0;
  font-size: clamp(14px, 2vw, 18px);
  color: var(--gold-light);
  letter-spacing: 0.02em;
  word-break: break-word;
}
.page-contact .pt-mail-format-hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .pt-reach-privacy {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .pt-faq {
  padding: clamp(48px, 7vw, 96px) 0;
  background: linear-gradient(180deg, rgba(15, 32, 36, 0.6), rgba(11, 15, 16, 0));
}
.page-contact .pt-faq-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: 1fr;
}
.page-contact .pt-faq-lede {
  margin: 16px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.9;
  max-width: 34ch;
}
.page-contact .pt-faq-item {
  border-top: 1px solid rgba(90, 74, 30, 0.5);
}
.page-contact .pt-faq-item:last-child {
  border-bottom: 1px solid rgba(90, 74, 30, 0.5);
}
.page-contact .pt-faq-item summary {
  position: relative;
  padding: 20px 34px 20px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px);
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.24s var(--ease);
}
.page-contact .pt-faq-item summary::-webkit-details-marker {
  display: none;
}
.page-contact .pt-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
  transition: transform 0.24s var(--ease);
}
.page-contact .pt-faq-item[open] summary {
  color: var(--gold-light);
}
.page-contact .pt-faq-item[open] summary::after {
  content: "−";
}
.page-contact .pt-faq-item summary:hover {
  color: var(--gold-light);
}
.page-contact .pt-faq-body {
  padding: 0 2px 22px;
}
.page-contact .pt-faq-body p {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.95;
}

/* ---------- 页底联系条 ---------- */
.page-contact .pt-bar {
  padding: clamp(30px, 5vw, 56px) 0 clamp(60px, 9vw, 110px);
}
.page-contact .pt-bar-inner {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 3.6vw, 40px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--pt-line-strong);
  background:
    radial-gradient(700px 260px at 88% 0%, rgba(46, 111, 115, 0.28), transparent 70%),
    linear-gradient(180deg, rgba(27, 42, 46, 0.95), rgba(15, 32, 36, 0.92));
}
.page-contact .pt-bar-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.page-contact .pt-bar-sub {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .pt-bar-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .pt-bar-meta li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(201, 162, 39, 0.32);
  background: rgba(11, 15, 16, 0.55);
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 100%;
}
.page-contact .pt-bar-key {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
  flex: none;
}
.page-contact .pt-bar-val {
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pt-prep-head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }
  .page-contact .pt-prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pt-reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pt-reach-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 960px) {
  .page-contact .pt-mast-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 80px);
  }
  .page-contact .pt-dirs-grid {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }
  .page-contact .pt-dirs-rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
  .page-contact .pt-flow-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
  .page-contact .pt-flow-figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
  .page-contact .pt-prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .pt-reach-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 4fr);
  }
  .page-contact .pt-reach-card--wide {
    grid-column: auto;
  }
  .page-contact .pt-faq-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }
  .page-contact .pt-bar-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 32px;
  }
  .page-contact .pt-bar-meta {
    justify-content: flex-end;
  }
}

@media (max-width: 560px) {
  .page-contact .pt-step summary {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
  }
  .page-contact .pt-step-cycle {
    grid-column: 2;
    white-space: normal;
  }
  .page-contact .pt-step-body {
    padding-left: 38px;
  }
  .page-contact .pt-facts li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}