.page-contact {
  --pc-pad-y: 52px;
  --pc-rail-top: calc(var(--header-space) + 16px);
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.15;
}

.page-contact p { margin: 0; }

.page-contact a { color: var(--orange-700); }

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 0 52px;
  background: var(--navy-900);
  color: var(--paper);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  z-index: -1;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 106, 43, .30), transparent 68%);
}

.page-contact .breadcrumb {
  color: var(--blue-300);
  font-size: .8rem;
  letter-spacing: .06em;
}

.page-contact .breadcrumb a {
  color: var(--blue-300);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible { color: var(--orange-500); }

.page-contact .contact-hero__collage {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .contact-hero__lead h1 {
  margin-bottom: 16px;
  font-size: clamp(1.85rem, 8.4vw, 3.1rem);
  color: var(--paper);
}

.page-contact .contact-hero__lead-text {
  max-width: 46ch;
  font-size: 1rem;
  color: rgba(233, 239, 246, .88);
}

.page-contact .contact-hero__lead-note {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--orange-500);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--blue-300);
}

.page-contact .contact-hero__mail,
.page-contact .contact-hero__line {
  padding: 18px 18px 20px;
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--orange-500);
  background: rgba(15, 46, 82, .55);
}

.page-contact .contact-hero .tag {
  color: var(--blue-300);
  border-color: var(--line-dark);
}

.page-contact .contact-hero__value {
  margin: 12px 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(.94rem, 4.3vw, 1.42rem);
  line-height: 1.3;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .contact-hero__desc {
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(233, 239, 246, .78);
}

.page-contact .contact-hero__note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  background: rgba(15, 46, 82, .45);
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(233, 239, 246, .86);
}

.page-contact .contact-hero__note .status-dot {
  flex: none;
  margin-top: .6em;
}

/* ---------- 通用章节头 ---------- */

.page-contact .contact-channels,
.page-contact .contact-partner,
.page-contact .contact-visit,
.page-contact .contact-hours,
.page-contact .contact-prepare {
  padding: var(--pc-pad-y) 0;
}

.page-contact .contact-visit { background: var(--mist-100); }

.page-contact .contact-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-contact .section-index {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--orange-500);
}

.page-contact .contact-head h2 {
  font-size: clamp(1.45rem, 5.6vw, 2.15rem);
}

.page-contact .contact-head__lead {
  max-width: 62ch;
  margin-top: 10px;
  font-size: .96rem;
  color: var(--navy-500);
}

.page-contact .contact-subtitle {
  margin-bottom: 18px;
  font-size: 1.05rem;
  color: var(--navy-900);
}

/* ---------- 01 通道 ---------- */

.page-contact .contact-channels__layout {
  display: grid;
  gap: 26px;
}

.page-contact .contact-channels__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-contact .contact-channels__rail .rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-900);
  font-size: .92rem;
  text-decoration: none;
  white-space: nowrap;
}

.page-contact .contact-channels__rail .rail__index {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange-500);
}

.page-contact .contact-channels__rail .rail__link:hover,
.page-contact .contact-channels__rail .rail__link:focus-visible {
  border-color: var(--orange-500);
  background: var(--mist-100);
}

.page-contact .contact-channels__flow {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy-700);
  background: var(--paper);
  scroll-margin-top: calc(var(--header-space) + 24px);
}

.page-contact .channel-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  background: var(--navy-900);
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .95rem;
}

.page-contact .channel-card__title {
  font-size: 1.15rem;
  color: var(--navy-900);
}

.page-contact .channel-card__text {
  margin-top: 12px;
  font-size: .95rem;
  color: var(--ink-900);
}

.page-contact .channel-card__facts {
  display: grid;
  gap: 8px;
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card__facts li {
  position: relative;
  padding-left: 14px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--navy-500);
}

.page-contact .channel-card__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 6px;
  height: 6px;
  background: var(--blue-300);
}

.page-contact .channel-card__meta {
  margin-bottom: 18px;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mint-700);
}

/* ---------- 02 合作申请 ---------- */

.page-contact .contact-partner__grid {
  display: grid;
  gap: 34px;
}

.page-contact .material-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .material-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: .93rem;
}

.page-contact .material-list__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  color: var(--orange-500);
}

.page-contact .step-track {
  position: relative;
  margin: 0;
  padding: 4px 0 0 22px;
  list-style: none;
}

.page-contact .step-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: var(--line);
}

.page-contact .step-track li {
  position: relative;
  padding: 0 0 22px 16px;
}

.page-contact .step-track li:last-child { padding-bottom: 0; }

.page-contact .step-track__dot {
  position: absolute;
  left: -22px;
  top: .45em;
  width: 11px;
  height: 11px;
  border: 2px solid var(--mint-500);
  border-radius: 50%;
  background: var(--paper);
}

.page-contact .step-track strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .98rem;
  color: var(--navy-900);
}

.page-contact .step-track p {
  margin-top: 4px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--navy-500);
}

/* ---------- 03 到访 ---------- */

.page-contact .contact-visit__grid {
  display: grid;
  gap: 24px;
}

.page-contact .contact-visit__address {
  padding: 26px 22px 28px;
  border-left: 4px solid var(--orange-500);
  background: var(--navy-900);
  color: var(--paper);
}

.page-contact .contact-visit__address .tag--mint {
  color: var(--mint-500);
  border-color: rgba(43, 184, 148, .5);
}

.page-contact .contact-visit__addr {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.12rem, 4.6vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: -.01em;
}

.page-contact .visit-tips {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit-tips li {
  position: relative;
  padding-left: 16px;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--blue-300);
}

.page-contact .visit-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--orange-500);
}

.page-contact .media {
  margin: 0;
}

.page-contact .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--navy-700);
}

.page-contact .media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-visit__media .media__frame { aspect-ratio: 4 / 3; }

/* ---------- 04 响应时段 ---------- */

.page-contact .contact-hours__grid {
  display: grid;
  gap: 16px;
}

.page-contact .hours-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-contact .hours-card__label {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange-500);
}

.page-contact .hours-card h3 {
  font-size: 1.08rem;
  color: var(--navy-900);
}

.page-contact .hours-card p {
  margin-top: 10px;
  font-size: .92rem;
  color: var(--navy-500);
}

.page-contact .hours-scale {
  display: grid;
  gap: 20px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hours-scale li {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .hours-scale__point {
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint-500);
}

.page-contact .hours-scale strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--navy-900);
}

.page-contact .hours-scale p {
  margin-top: 6px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--navy-500);
}

/* ---------- 05 准备清单 ---------- */

.page-contact .prepare-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prepare-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-contact .prepare-list__box {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--navy-500);
}

.page-contact .prepare-list__body strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .96rem;
  color: var(--navy-900);
}

.page-contact .prepare-list__body p {
  margin-top: 6px;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--navy-500);
}

.page-contact .contact-prepare__note {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--mint-500);
  background: var(--mist-100);
  font-size: .89rem;
  line-height: 1.75;
  color: var(--navy-700);
}

.page-contact .contact-prepare__note a {
  color: var(--orange-700);
  text-underline-offset: 3px;
}

/* ---------- 底部通栏 ---------- */

.page-contact .contact-band {
  margin: 0;
}

.page-contact .contact-band .media__frame {
  border: 0;
  aspect-ratio: 4 / 3;
}

.page-contact .contact-band .media__label {
  padding: 12px 20px;
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--navy-500);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 700px) {
  .page-contact { --pc-pad-y: 72px; }

  .page-contact .contact-hours__grid { grid-template-columns: 1fr 1fr; }

  .page-contact .hours-scale { grid-template-columns: repeat(3, 1fr); gap: var(--col-gap); }

  .page-contact .prepare-list { grid-template-columns: 1fr 1fr; }

  .page-contact .contact-visit__media .media__frame { aspect-ratio: 14 / 9; }

  .page-contact .contact-band .media__frame { aspect-ratio: 16 / 7; }
}

@media (min-width: 940px) {
  .page-contact { --pc-pad-y: 88px; }

  .page-contact .contact-hero { padding: 32px 0 72px; }

  .page-contact .contact-hero__collage {
    grid-template-columns: repeat(12, 1fr);
    gap: var(--col-gap);
    margin-top: 34px;
  }

  .page-contact .contact-hero__lead {
    grid-column: 1 / 8;
    grid-row: 1 / 3;
    padding-right: 32px;
  }

  .page-contact .contact-hero__mail {
    grid-column: 8 / 13;
    grid-row: 1;
  }

  .page-contact .contact-hero__line {
    grid-column: 8 / 13;
    grid-row: 2;
  }

  .page-contact .contact-hero__note {
    grid-column: 1 / 13;
    grid-row: 3;
  }

  .page-contact .contact-head {
    grid-template-columns: 92px 1fr;
    gap: 24px;
    align-items: start;
    margin-bottom: 40px;
  }

  .page-contact .section-index { font-size: 3.2rem; }

  .page-contact .contact-channels__layout {
    grid-template-columns: 3fr 9fr;
    gap: var(--col-gap);
    align-items: start;
  }

  .page-contact .contact-channels__rail {
    position: sticky;
    top: var(--pc-rail-top);
    flex-direction: column;
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .contact-channels__rail .rail__link {
    white-space: normal;
    border-left: 3px solid transparent;
  }

  .page-contact .channel-card { padding: 28px 26px; }

  .page-contact .contact-partner__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--col-gap);
    align-items: start;
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--col-gap);
    align-items: start;
  }

  .page-contact .contact-band .media__label {
    position: absolute;
    left: 0;
    padding: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    transform: none !important;
    transition: opacity 200ms linear !important;
  }
}