.page-contact {
  --pc-radius: 4px;
  background: var(--c-base);
  color: var(--c-ink);
}

.page-contact img {
  max-width: 100%;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: 24px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 380px;
  background: var(--c-mist);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-green);
}

.page-contact h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 20ch;
}

.page-contact .contact-lead {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero-figure {
  position: relative;
  z-index: 1;
  margin: 30px 0 0;
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 360px);
  object-fit: cover;
  clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 94%);
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-body {
  padding: 56px 0 0;
}

.page-contact .contact-section-head {
  margin-bottom: 18px;
}

.page-contact .contact-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-orange-ink);
}

.page-contact .contact-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 28px);
  line-height: 1.2;
  letter-spacing: -.015em;
}

.page-contact .contact-sub {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

/* ---------- 两栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .contact-info-note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ---------- 信息卡 ---------- */
.page-contact .info-card {
  margin-bottom: 16px;
  padding: 18px 18px 20px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-green);
  border-radius: var(--pc-radius);
  box-shadow: var(--shadow-1);
}

.page-contact .info-card--address {
  border-left-color: var(--c-sky);
}

.page-contact .info-title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .info-value {
  display: block;
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-green);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .2s var(--ease);
}

.page-contact .info-value:hover,
.page-contact .info-value:focus-visible {
  color: var(--c-orange-ink);
}

.page-contact .info-value--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-contact .info-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-stone);
}

/* ---------- 场景展开组 ---------- */
.page-contact .scene-list {
  margin-top: 24px;
  border-top: 1px solid var(--c-line);
}

.page-contact .scene {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .scene-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .scene-toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 4px;
  background: transparent;
  border: 0;
  font: inherit;
  color: var(--c-ink);
  text-align: left;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .scene-toggle::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-green);
}

.page-contact .scene-toggle[aria-expanded="true"] {
  color: var(--c-green);
}

.page-contact .scene-toggle[aria-expanded="true"]::after {
  content: "\2212";
}

.page-contact .scene-toggle:hover {
  background: rgba(220, 232, 225, .55);
}

.page-contact .scene-toggle:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 2px;
}

.page-contact .scene-num {
  font-size: 12px;
  color: var(--c-stone);
}

.page-contact .scene-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .scene-tip {
  display: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-stone);
}

.page-contact .scene-panel {
  padding: 0 4px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-stone);
}

.page-contact .scene-panel p {
  margin: 0;
  max-width: 44em;
}

/* ---------- 邮件清单 ---------- */
.page-contact .mail-block {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}

.page-contact .mail-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .mail-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--pc-radius);
}

.page-contact .mail-item .mono {
  font-size: 13px;
  color: var(--c-orange-ink);
  line-height: 1.7;
}

.page-contact .mail-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .mail-item strong {
  color: var(--c-ink);
  font-weight: 700;
}

/* ---------- 合作与招募 ---------- */
.page-contact .contact-coop {
  margin-top: 72px;
  padding: 56px 0;
  background: var(--c-mist);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .coop-list {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-item {
  padding: 16px 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .coop-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .coop-item p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .coop-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--c-green);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-stone);
}

.page-contact .coop-note a {
  color: var(--c-sky);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .coop-note a:hover {
  color: var(--c-green);
}

.page-contact .coop-figure {
  margin: 0;
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--c-line);
  border-radius: var(--pc-radius);
}

/* ---------- 到访 ---------- */
.page-contact .contact-visit {
  padding: 56px 0 0;
}

.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .visit-card {
  padding: 22px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--pc-radius);
  box-shadow: var(--shadow-1);
}

.page-contact .visit-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
}

.page-contact .visit-hours {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4vw, 22px);
  font-variant-numeric: tabular-nums;
  color: var(--c-green);
  letter-spacing: .01em;
}

.page-contact .visit-card p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-stone);
}

.page-contact .visit-card p:last-child {
  margin-bottom: 0;
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-selfhelp {
  padding: 56px 0 64px;
}

.page-contact .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .help-card {
  display: block;
  padding: 20px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--pc-radius);
  color: var(--c-ink);
  text-decoration: none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .help-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-green);
  box-shadow: var(--shadow-2);
}

.page-contact .help-card:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 2px;
}

.page-contact .help-card-num {
  font-size: 12px;
  color: var(--c-orange-ink);
}

.page-contact .help-card h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-stone);
}

.page-contact .help-go {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-green);
}

/* ---------- 底部横带 ---------- */
.page-contact .contact-strip {
  padding: 26px 0;
  background: var(--c-deep);
  color: var(--c-paper);
}

.page-contact .contact-strip-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-strip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-strip-time {
  color: rgba(255, 255, 255, .9);
}

.page-contact .contact-strip-time .mono {
  margin-right: 10px;
  color: var(--c-mist);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-contact .contact-strip-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}

.page-contact .contact-strip-legal a {
  color: rgba(255, 255, 255, .86);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .28);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-strip-legal a:hover,
.page-contact .contact-strip-legal a:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-paper);
}

.page-contact .contact-strip-legal .mono {
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .scene-tip {
    display: block;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-body {
    padding-top: 72px;
  }

  .page-contact .contact-layout {
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .contact-info {
    position: sticky;
    top: 96px;
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-coop {
    margin-top: 96px;
    padding: 72px 0;
  }

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

  .page-contact .contact-strip-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene-toggle,
  .page-contact .help-card,
  .page-contact .info-value,
  .page-contact .contact-strip-legal a {
    transition: none;
  }

  .page-contact .help-card:hover {
    transform: none;
  }
}
<<<END>>>