/* ===== 联络舱 page-contact ===== */
.page-contact {
  display: block;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- 面包屑 --- */
.page-contact .breadcrumbs {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--silver);
  opacity: 0.5;
}

.page-contact .breadcrumbs a {
  color: var(--accent-text);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  text-decoration: underline;
}

/* --- 首屏分屏 --- */
.page-contact .contact-hero {
  display: grid;
  gap: 30px;
  padding: 26px 0 14px;
}

.page-contact h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--heading);
  text-wrap: balance;
}

.page-contact .hero-copy .lede {
  max-width: 46ch;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero-facts {
  display: grid;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  background: var(--surface-2);
}

.page-contact .fact-k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.page-contact .fact-v {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .hero-visual {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 110% at 88% 6%, rgba(230, 169, 60, 0.2), transparent 58%),
    linear-gradient(155deg, rgba(17, 42, 69, 0.8), rgba(6, 12, 20, 0.92));
  box-shadow: var(--shadow-card);
}

.page-contact .hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgba(6, 12, 20, 0.75));
  pointer-events: none;
}

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

/* --- 章节基础节奏 --- */
.page-contact .section {
  padding-top: 46px;
  padding-bottom: 46px;
}

.page-contact .section-head {
  margin-bottom: 30px;
}

.page-contact .section-head .lede {
  max-width: 62ch;
}

/* --- 反馈入口 --- */
.page-contact .entry-panel {
  display: grid;
  gap: 20px;
}

.page-contact .entry-main {
  padding: 28px 24px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, rgba(17, 42, 69, 0.72), rgba(6, 12, 20, 0.6));
  box-shadow: var(--shadow-card);
}

.page-contact .entry-sub {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--heading);
}

.page-contact .pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .pill-list li {
  padding: 8px 17px;
  border: 1px solid rgba(230, 169, 60, 0.38);
  border-radius: var(--radius-pill);
  background: rgba(11, 22, 38, 0.6);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ivory);
}

.page-contact .entry-note {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .entry-note:last-child {
  margin-bottom: 0;
}

.page-contact .entry-note a,
.page-contact .flow-steps a {
  color: var(--accent-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 169, 60, 0.4);
}

.page-contact .entry-note a:hover,
.page-contact .flow-steps a:hover {
  border-bottom-color: var(--gold);
}

.page-contact .entry-side {
  display: grid;
  gap: 20px;
  align-content: start;
  padding: 28px 24px;
  border: 1px solid rgba(230, 169, 60, 0.3);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(230, 169, 60, 0.18), transparent 62%),
    rgba(6, 12, 20, 0.66);
}

.page-contact .readout-block {
  display: grid;
  gap: 6px;
}

.page-contact .readout-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 40px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-contact .readout-cap {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .entry-side-note {
  padding-top: 4px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* --- 联络方式名册 --- */
.page-contact .contact-ledger {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--surface-border);
}

.page-contact .contact-ledger li {
  display: grid;
  gap: 8px 22px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--surface-border);
}

.page-contact .ledger-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.page-contact .ledger-val {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.01em;
  line-height: 1.6;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .ledger-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* --- 响应时段 --- */
.page-contact .response-band {
  margin-top: 14px;
  padding: 48px 0;
  border-top: 1px solid rgba(170, 182, 196, 0.14);
  border-bottom: 1px solid rgba(170, 182, 196, 0.14);
  background:
    radial-gradient(90% 140% at 10% 0%, rgba(200, 70, 58, 0.18), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800) 72%);
}

.page-contact .response-inner {
  display: grid;
  gap: 30px;
}

.page-contact .response-copy .lede {
  max-width: 52ch;
}

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

.page-contact .ro {
  display: grid;
  gap: 8px;
  padding: 24px 22px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.page-contact .ro-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 6.4vw, 40px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-contact .ro-cap {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* --- 到访与通信提示 --- */
.page-contact .visit-list {
  display: grid;
  gap: 14px;
}

.page-contact .disclosure {
  overflow: hidden;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.page-contact .disclosure-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  color: var(--ivory);
  cursor: pointer;
}

.page-contact .trigger-mark {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--accent-text);
  border-bottom: 2px solid var(--accent-text);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s var(--ease);
}

.page-contact .disclosure-trigger[aria-expanded="true"] .trigger-mark {
  transform: rotate(-135deg) translateY(-2px);
}

.page-contact .disclosure-panel {
  padding: 0 22px 22px;
}

.page-contact .disclosure-panel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* --- 反馈处理流程 --- */
.page-contact .flow-figure {
  margin: 0 0 30px;
  overflow: hidden;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  background: rgba(6, 12, 20, 0.55);
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .flow-figure figcaption {
  padding: 14px 20px;
  border-top: 1px solid var(--surface-border);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

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

.page-contact .flow-steps li {
  position: relative;
  padding: 26px 20px 24px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.page-contact .step-idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .flow-steps h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
}

.page-contact .flow-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* --- 合作与建议 --- */
.page-contact .partner-grid {
  display: grid;
  gap: 16px;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 24px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(17, 42, 69, 0.6), rgba(6, 12, 20, 0.55));
  box-shadow: var(--shadow-card);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 19px;
  font-weight: 700;
  color: var(--heading);
}

.page-contact .partner-card p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .link-more {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 169, 60, 0.42);
  padding-bottom: 3px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .link-more:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* --- 悬停：仅在有指针的设备上生效 --- */
@media (hover: hover) {
  .page-contact .flow-steps li:hover,
  .page-contact .partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
    border-color: rgba(230, 169, 60, 0.42);
  }
}

/* --- 平板及以上 --- */
@media (min-width: 720px) {
  .page-contact .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-contact .contact-ledger li {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-contact .ledger-desc {
    grid-column: 2 / -1;
  }

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

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

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

/* --- 桌面：首屏分屏与多栏节奏 --- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 54px;
    align-items: start;
    padding: 44px 0 24px;
  }

  .page-contact .hero-visual {
    aspect-ratio: 4 / 3;
  }

  .page-contact .entry-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .contact-ledger li {
    grid-template-columns: 160px minmax(0, 0.95fr) minmax(0, 1.25fr);
    padding: 26px 6px;
  }

  .page-contact .ledger-desc {
    grid-column: auto;
  }

  .page-contact .response-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}