.page-contact {
  --cc-slat: 7%;
  position: relative;
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-contact .contact-shell {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .crumbs a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs__sep {
  color: var(--line);
}

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

/* —— 首屏 —— */
.page-contact .contact-hero {
  display: grid;
  gap: var(--stack);
  align-items: center;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 6px 12px;
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--cyan);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 4px 4px 0 rgba(42, 53, 80, .6);
}

.page-contact .kicker__dot {
  width: 8px;
  height: 8px;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.4vw, 5.5rem);
  line-height: .94;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-contact .contact-hero__title .display--slant {
  display: inline-block;
  transform: skewX(-6deg);
  color: var(--cyan);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 46ch;
  color: var(--mute);
  font-size: var(--fs-17);
}

.page-contact .hero-facts {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line);
  background: var(--line);
}

.page-contact .hero-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
}

.page-contact .hero-fact__num {
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--gain);
  font-variant-numeric: tabular-nums;
}

.page-contact .hero-fact__txt {
  font-size: var(--fs-14);
  color: var(--mute);
  line-height: 1.4;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: var(--edge);
  background: var(--deck);
  box-shadow: var(--hard);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 92%);
  filter: saturate(1.05);
}

.page-contact .contact-hero__cap {
  position: relative;
  padding: 10px 14px;
  font-size: var(--fs-12);
  color: var(--mute);
  border-top: 2px solid var(--line);
  background: var(--ink);
}

/* —— 区块通用 —— */
.page-contact .section-head {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .contact-h2 {
  position: relative;
  margin: 0 0 10px;
  padding-left: 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.125rem);
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .contact-h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  bottom: .1em;
  width: 6px;
  background: linear-gradient(180deg, var(--cyan), var(--pulse));
}

.page-contact .section-sub {
  margin: 0;
  max-width: 62ch;
  padding-left: 16px;
  color: var(--mute);
  font-size: var(--fs-14);
}

/* —— 四类通道卡 —— */
.page-contact .route-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 16px;
  border: var(--edge);
  background: var(--panel);
  box-shadow: 5px 5px 0 rgba(42, 53, 80, .55);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .route-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--cc-accent, var(--cyan));
}

.page-contact .route-card--cyan { --cc-accent: var(--cyan); }
.page-contact .route-card--pulse { --cc-accent: var(--pulse); }
.page-contact .route-card--amber { --cc-accent: var(--amber); }
.page-contact .route-card--gain { --cc-accent: var(--gain); }

.page-contact .route-card:hover,
.page-contact .route-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--cc-accent);
  box-shadow: 8px 10px 0 rgba(42, 53, 80, .72);
}

.page-contact .route-card__num {
  align-self: flex-start;
  display: inline-block;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--ink);
  background: var(--cc-accent);
  transform-origin: left center;
  transition: transform .2s var(--ease);
}

.page-contact .route-card:hover .route-card__num,
.page-contact .route-card:focus-within .route-card__num {
  transform: scale(1.18) skewX(-6deg);
}

.page-contact .route-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .route-card__scene {
  margin: 0;
  color: var(--mute);
  font-size: var(--fs-14);
  line-height: 1.6;
}

.page-contact .route-card__more {
  margin-top: auto;
  border-top: 2px dashed var(--line);
  padding-top: 10px;
}

.page-contact .route-card__more summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--cc-accent);
  min-height: 32px;
}

.page-contact .route-card__more summary::-webkit-details-marker { display: none; }

.page-contact .route-card__more summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  font-family: var(--font-mono);
  line-height: 1;
}

.page-contact .route-card__more[open] summary::before {
  content: "–";
}

.page-contact .route-card__more ul {
  margin: 10px 0 4px;
  padding-left: 18px;
  color: var(--paper);
  font-size: var(--fs-14);
  line-height: 1.65;
}

.page-contact .route-card__more li + li { margin-top: 4px; }

/* —— 描述结构 —— */
.page-contact .brief-grid {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3.4vw, 34px);
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
}

.page-contact .brief-copy p {
  margin: 0 0 12px;
  color: var(--mute);
  font-size: var(--fs-17);
  line-height: 1.65;
}

.page-contact .brief-copy p:last-child { margin-bottom: 0; }

.page-contact .brief-tip {
  padding: 10px 12px;
  border-left: 4px solid var(--gain);
  background: var(--deck);
  color: var(--paper) !important;
  font-size: var(--fs-14) !important;
}

.page-contact .brief-template {
  border: 2px solid var(--line);
  background: var(--ink);
  padding: 14px;
}

.page-contact .brief-template__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .brief-template__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: cc-line;
}

.page-contact .brief-template__list li {
  counter-increment: cc-line;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 0 10px 34px;
  position: relative;
  border-top: 1px solid var(--line);
}

.page-contact .brief-template__list li:first-child { border-top: 0; }

.page-contact .brief-template__list li::before {
  content: counter(cc-line, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--cyan);
}

.page-contact .brief-key {
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--mute);
}

.page-contact .brief-val {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* —— 邮箱与电话 —— */
.page-contact .readout-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .readout {
  padding: 20px 18px;
  border: var(--edge);
  background: var(--panel);
  box-shadow: var(--hard);
  border-left-width: 8px;
}

.page-contact .readout--cyan { border-left-color: var(--cyan); }
.page-contact .readout--pulse { border-left-color: var(--pulse); }

.page-contact .readout__label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--mute);
}

.page-contact .readout__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.page-contact .readout--cyan .readout__value { color: var(--cyan); }
.page-contact .readout--pulse .readout__value { color: var(--pulse); }

.page-contact .readout__value--phone {
  letter-spacing: .04em;
}

.page-contact .readout__note {
  margin: 0;
  color: var(--mute);
  font-size: var(--fs-14);
  line-height: 1.6;
}

/* —— 地址 —— */
.page-contact .place-grid {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-contact .place-media {
  margin: 0;
  border: var(--edge);
  background: var(--deck);
  box-shadow: var(--hard);
}

.page-contact .place-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .place-address {
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--amber);
  background: var(--deck);
  font-family: var(--font-mono);
  font-size: var(--fs-17);
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .place-copy p {
  margin: 0 0 12px;
  color: var(--mute);
  font-size: var(--fs-17);
  line-height: 1.65;
}

.page-contact .place-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* —— 合作问答 —— */
.page-contact .coop-list {
  display: grid;
  gap: 12px;
}

.page-contact .coop-item {
  border: 2px solid var(--line);
  background: var(--panel);
  transition: border-color .2s var(--ease);
}

.page-contact .coop-item[open] {
  border-color: var(--pulse);
  background: var(--deck);
}

.page-contact .coop-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}

.page-contact .coop-item summary::-webkit-details-marker { display: none; }

.page-contact .coop-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: .45em;
  background: var(--pulse);
  transition: transform .2s var(--ease);
}

.page-contact .coop-item[open] summary::before {
  transform: rotate(45deg) scale(1.1);
}

.page-contact .coop-item p {
  margin: 0;
  padding: 0 16px 16px 38px;
  color: var(--mute);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-contact .coop-tail {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 2px dashed var(--line);
  color: var(--mute);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-contact .coop-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--line);
  transition: border-color .2s var(--ease);
}

.page-contact .coop-tail a:hover,
.page-contact .coop-tail a:focus-visible {
  border-bottom-color: var(--cyan);
}

@media (min-width: 640px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .readout-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .brief-template__list li {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 10px;
  }
  .page-contact .brief-key { padding-top: 2px; }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(24px, 4vw, 48px);
  }
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .hero-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: start;
    gap: clamp(24px, 4vw, 44px);
  }
  .page-contact .place-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(24px, 4vw, 44px);
  }
  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__title {
    font-size: clamp(3.2rem, 6vw, 5.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .route-card__num,
  .page-contact .coop-item summary::before,
  .page-contact .coop-item {
    transition: none;
  }
  .page-contact .route-card:hover,
  .page-contact .route-card:focus-within {
    transform: none;
  }
  .page-contact .route-card:hover .route-card__num,
  .page-contact .route-card:focus-within .route-card__num {
    transform: none;
  }
}
</main>