.page-contact {
  --pc-radius: clamp(0.75rem, 2vw, 1.25rem);
}

.page-contact .breadcrumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(1.5rem, 4vw, 2.75rem);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 60%;
  height: 140%;
  background: repeating-linear-gradient(
    -32deg,
    rgba(242, 169, 59, 0.09) 0 1px,
    transparent 1px 22px
  );
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero__title {
  margin: 0.6rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 8.5vw, 5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--amber);
}

.page-contact .contact-hero .lede {
  max-width: 54ch;
  color: var(--fg-muted);
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.85;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-main {
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .contact-split {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: start;
}

@media (min-width: 940px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-contact .contact-col {
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(1.35rem, 3.5vw, 2.25rem);
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--amber);
}

.page-contact .contact-card__head {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.page-contact .contact-rows {
  margin: 1.5rem 0 0;
}

.page-contact .contact-row {
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}

.page-contact .contact-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-row__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

.page-contact .contact-row__val {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.4vw, 1.18rem);
  font-weight: 500;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .contact-row__val--text {
  font-family: var(--font-body);
  font-size: clamp(0.92rem, 2.8vw, 1.02rem);
  font-weight: 400;
  line-height: 1.75;
  color: var(--fg);
}

.page-contact .contact-note {
  margin: 1.35rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--fg-muted);
}

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

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

.page-contact .contact-fig figcaption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--fg-faint);
}

/* ---------- 流程时间轴 ---------- */
.page-contact .contact-flow {
  padding: clamp(1.25rem, 3.5vw, 2rem);
  background: var(--bg-sunken);
  border: 1px solid var(--rule);
  border-radius: var(--pc-radius);
}

.page-contact .contact-flow__head {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 400;
  line-height: 1.15;
}

.page-contact .contact-flow__lede {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--fg-muted);
}

.page-contact .flow-timeline {
  position: relative;
  margin: 1.5rem 0 0;
  padding: 0 0 0 3rem;
  list-style: none;
}

.page-contact .flow-timeline::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 0.6rem;
  bottom: 0.9rem;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), var(--pitch-bright) 72%, transparent);
}

.page-contact .flow-step {
  position: relative;
  padding-bottom: 1.5rem;
  outline: none;
}

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

.page-contact .flow-step__num {
  position: absolute;
  left: -3rem;
  top: -0.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-pill);
  background: var(--bg-sunken);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
  transition: background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.page-contact .flow-step__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .flow-step__note {
  margin: 0.4rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--fg-muted);
  transition: color 0.22s ease;
}

.page-contact .flow-step:hover .flow-step__num,
.page-contact .flow-step:focus .flow-step__num,
.page-contact .flow-step:focus-within .flow-step__num {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-900);
}

.page-contact .flow-step:hover .flow-step__note,
.page-contact .flow-step:focus .flow-step__note {
  color: var(--fg);
}

.page-contact .flow-step:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ---------- 地址区块 ---------- */
.page-contact .contact-venue {
  background: var(--paper);
  color: var(--ink);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .venue-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

@media (min-width: 880px) {
  .page-contact .venue-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }
}

.page-contact .venue-label {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid rgba(26, 26, 26, 0.28);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-contact .venue-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 5.5vw, 2.9rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
}

.page-contact .venue-address {
  margin: 0.6rem 0 0;
  font-size: clamp(0.98rem, 2.6vw, 1.1rem);
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.72);
}

.page-contact .venue-details {
  margin-top: 1.4rem;
  border-top: 1px solid rgba(26, 26, 26, 0.16);
  border-bottom: 1px solid rgba(26, 26, 26, 0.16);
}

.page-contact .venue-details summary {
  padding: 0.85rem 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--pitch);
}

.page-contact .venue-details summary:hover {
  color: var(--ink);
}

.page-contact .venue-details summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .venue-list {
  margin: 0 0 1.1rem;
  padding: 0 0 0 1.1rem;
  list-style: none;
}

.page-contact .venue-list li {
  position: relative;
  padding: 0.4rem 0 0.4rem 0.9rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.82);
}

.page-contact .venue-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.5rem;
  height: 1px;
  background: var(--amber);
}

.page-contact .venue-list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-contact .venue-hint {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(26, 26, 26, 0.72);
}

.page-contact .venue-hint a {
  color: var(--pitch);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .venue-hint a:hover {
  color: var(--ink);
}

.page-contact .venue-fig {
  margin: 0;
}

.page-contact .venue-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--pc-radius);
}

.page-contact .venue-fig figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(26, 26, 26, 0.55);
}

/* ---------- 合作与建议 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(2rem, 5vw, 3.5rem);
  background: var(--bg-sunken);
}

.page-contact .contact-coop .lede {
  max-width: 58ch;
  color: var(--fg-muted);
  line-height: 1.85;
}

.page-contact .coop-grid {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .coop-card {
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--pitch);
  border-radius: var(--pc-radius);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-contact .coop-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--amber);
}

.page-contact .coop-card__num {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 500;
  line-height: 0.9;
  color: rgba(244, 241, 232, 0.14);
}

.page-contact .coop-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--fg-muted);
}

.page-contact .coop-note {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--fg-muted);
}

.page-contact .coop-note .mono {
  font-family: var(--font-mono);
  color: var(--amber);
  overflow-wrap: anywhere;
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-next {
  padding-block: clamp(2rem, 5vw, 3.25rem);
  border-top: 1px solid var(--rule);
}

.page-contact .contact-next__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 400;
}

.page-contact .next-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 700px) {
  .page-contact .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .next-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: var(--pc-radius);
  text-decoration: none;
  transition: border-color 0.22s ease, background-color 0.22s ease, transform 0.22s ease;
}

.page-contact .next-card:hover {
  transform: translateY(-3px);
  border-color: var(--amber);
  background: var(--bg-raised);
}

.page-contact .next-card:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .next-card__label {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--pitch-bright);
}

.page-contact .next-card__desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--fg-muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .next-card,
  .page-contact .flow-step__num {
    transition: none;
  }

  .page-contact .coop-card:hover,
  .page-contact .next-card:hover {
    transform: none;
  }
}