.page-contact {
  --pc-gap: clamp(20px, 4vw, 36px);
  --pc-shadow: 6px 6px 0 rgba(5, 16, 26, .5);
  background:
    radial-gradient(110% 70% at 92% -6%, rgba(18, 151, 140, .20), transparent 62%),
    radial-gradient(80% 50% at -12% 8%, rgba(255, 138, 60, .09), transparent 58%);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .crumb-sep {
  margin: 0 .5em;
  color: var(--rock);
}

.page-contact .crumb-now {
  color: var(--idx);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(20px, 4vw, 44px);
}

.page-contact .contact-hero-text {
  max-width: 70ch;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, 4.1rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.01em;
  margin: 12px 0 18px;
  color: var(--paper);
}

.page-contact .lede {
  color: var(--idx);
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.75;
  max-width: 68ch;
  margin: 0;
}

.page-contact .hero-frame {
  position: relative;
  margin-top: clamp(26px, 4.5vw, 44px);
  padding: clamp(10px, 1.6vw, 18px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(19, 38, 58, .88), rgba(10, 22, 34, .6));
  box-shadow: var(--pc-shadow);
  overflow: hidden;
}

.page-contact .hero-frame::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: calc(var(--r-lg) - 5px);
  border: 1px dashed rgba(63, 224, 208, .16);
  pointer-events: none;
}

.page-contact .hero-frame .figure {
  margin: 0;
  border-radius: calc(var(--r-lg) - 8px);
  overflow: hidden;
}

.page-contact .hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  filter: saturate(.92) contrast(1.05);
}

.page-contact .hero-frame .figure-caption {
  margin-top: 10px;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--rock);
  font-family: var(--font-mono);
}

.page-contact .hero-frame-tag {
  position: absolute;
  left: clamp(22px, 3vw, 36px);
  bottom: clamp(46px, 6vw, 68px);
  margin: 0;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(10, 22, 34, .82);
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .12em;
  backdrop-filter: blur(6px);
}

/* ---------- 通用区块 ---------- */

.page-contact .contact-section {
  margin-top: clamp(56px, 9vw, 108px);
}

.page-contact .section-head {
  margin-bottom: clamp(24px, 3.6vw, 38px);
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.005em;
  margin: 10px 0 12px;
  color: var(--paper);
}

.page-contact .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

/* ---------- 渠道 ---------- */

.page-contact .channel-list {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 22px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(19, 38, 58, .92), rgba(14, 29, 44, .92));
  box-shadow: 4px 4px 0 rgba(5, 16, 26, .5);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 42px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .channel-key {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--rock);
  margin: 0 0 10px;
}

.page-contact .channel-val {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 12px;
  word-break: break-word;
}

.page-contact .channel-note {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--rock);
}

/* ---------- 预约 ---------- */

.page-contact .booking-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .booking-steps {
  counter-reset: bs;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .booking-steps > li {
  counter-increment: bs;
  position: relative;
  padding: 20px 8px 20px 58px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .booking-steps > li::before {
  content: counter(bs, decimal-leading-zero);
  position: absolute;
  left: 6px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .booking-steps h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .booking-steps p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.74;
  color: var(--rock);
}

.page-contact .booking-side {
  display: grid;
  gap: 18px;
}

.page-contact .booking-side .figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-contact .booking-side img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .prep-panel {
  padding: 20px 22px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(19, 38, 58, .7);
}

.page-contact .prep-title {
  margin: 0 0 14px;
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .92rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .prep-box {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 1px solid var(--cyan-deep);
  border-radius: 3px;
  background: rgba(63, 224, 208, .12);
}

.page-contact .prep-foot {
  margin: 0;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 反馈 ---------- */

.page-contact .feedback-grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
  grid-template-columns: 1fr;
}

.page-contact .feedback-lead p {
  margin: 0 0 14px;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--rock);
  max-width: 62ch;
}

.page-contact .feedback-lead p:last-child {
  margin-bottom: 0;
}

.page-contact .feedback-folds {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .fold {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(19, 38, 58, .72);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-contact .fold[open] {
  border-color: var(--line);
}

.page-contact .fold > summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold > summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .fold[open] > summary::before {
  background: var(--amber);
}

.page-contact .fold-body {
  padding: 0 20px 20px 41px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .fold-body p {
  margin: 0;
}

/* ---------- 合作 ---------- */

.page-contact .partner-panel {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 3.4vw, 34px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(19, 38, 58, .92), rgba(10, 22, 34, .9));
  box-shadow: var(--pc-shadow);
}

.page-contact .partner-body p {
  margin: 0 0 14px;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--rock);
  max-width: 66ch;
}

.page-contact .partner-body p:last-child {
  margin-bottom: 0;
}

.page-contact .partner-mail {
  margin: 0;
  align-self: start;
  display: inline-block;
  padding: 12px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--cyan-deep);
  background: rgba(63, 224, 208, .1);
  color: var(--cyan);
  font-size: .9rem;
  letter-spacing: .04em;
  word-break: break-word;
}

/* ---------- 覆盖范围 ---------- */

.page-contact .facts {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-contact .fact {
  padding: 18px 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(14, 29, 44, .82);
}

.page-contact .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-contact .fact-label {
  display: block;
  margin-top: 10px;
  font-size: .84rem;
  line-height: 1.55;
  color: var(--rock);
}

.page-contact .coverage-note {
  margin: 22px 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--rock);
  max-width: 70ch;
}

/* ---------- 地址 ---------- */

.page-contact .visit-card {
  position: relative;
  padding: clamp(22px, 3.4vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(140deg, rgba(196, 113, 74, .16), rgba(19, 38, 58, .9) 46%);
  box-shadow: var(--pc-shadow);
}

.page-contact .visit-key {
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .visit-val {
  margin: 0 0 14px;
  font-size: clamp(1.15rem, 2.8vw, 1.5rem);
  font-weight: 600;
  color: var(--paper);
  line-height: 1.4;
}

.page-contact .visit-note {
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--rock);
  max-width: 64ch;
}

/* ---------- 平板 ---------- */

@media (min-width: 680px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .channel-card:last-child {
    grid-column: 1 / -1;
  }

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

  .page-contact .partner-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-card:last-child {
    grid-column: auto;
  }

  .page-contact .booking-grid {
    grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
    align-items: start;
  }

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

  .page-contact .booking-steps > li {
    padding: 24px 16px 24px 76px;
  }

  .page-contact .booking-steps > li::before {
    left: 16px;
    top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .fold {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}