.page-contact .breadcrumbs {
  padding-top: 20px;
}

.page-contact .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  color: var(--c-muted);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-line);
}

.page-contact .breadcrumb-item a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .breadcrumb-item a:hover {
  color: var(--c-cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 56px);
}

.page-contact .eyebrow {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 8vw, 3.6rem);
  font-weight: 250;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--c-white);
  text-shadow: 0 0 1px rgba(53, 230, 224, 0.6), 0 0 28px rgba(53, 230, 224, 0.12);
}

.page-contact .h2 {
  margin: 12px 0 0;
  font-size: clamp(1.55rem, 5.4vw, 2.4rem);
  font-weight: 300;
  line-height: 1.25;
  color: var(--c-white);
}

.page-contact .lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(0.98rem, 2.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--c-text);
}

.page-contact .section-head {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .section-head .lead {
  max-width: 58ch;
}

/* 联系卡 */

.page-contact .contact-card {
  position: relative;
  margin-top: clamp(28px, 5vw, 44px);
  padding: clamp(22px, 4vw, 32px) clamp(18px, 4vw, 32px) clamp(18px, 3vw, 26px);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
  background: linear-gradient(135deg, rgba(27, 42, 107, 0.6), rgba(19, 26, 63, 0.94));
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 64px;
  height: 1px;
  background: var(--c-cyan);
}

.page-contact .contact-card-label {
  margin: 0;
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  color: var(--c-muted);
}

.page-contact .contact-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-item:last-child {
  border-bottom: 0;
}

.page-contact .contact-key {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  color: var(--c-muted);
}

.page-contact .contact-value {
  display: block;
  margin-top: 6px;
  font-size: clamp(1.05rem, 4.2vw, 1.6rem);
  font-weight: 200;
  line-height: 1.25;
  color: var(--c-white);
  overflow-wrap: anywhere;
}

.page-contact .contact-note {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 右栏视觉 + 路径切换 */

.page-contact .contact-visual {
  margin: 0;
  aspect-ratio: 4 / 3;
}

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

.page-contact .media-caption {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .path-switch {
  margin-top: var(--gap);
  padding: clamp(18px, 3.5vw, 28px);
  border: 1px solid var(--c-line);
  background: rgba(19, 26, 63, 0.72);
}

.page-contact .filter-bar {
  margin-bottom: 18px;
}

.page-contact .path-notes {
  display: grid;
  gap: 14px;
}

.page-contact .path-note {
  padding-left: 16px;
  border-left: 1px solid var(--c-line);
}

.page-contact .path-note-title {
  margin: 10px 0 0;
  font-size: 1.05rem;
  color: var(--c-white);
}

.page-contact .path-note-text {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-text);
}

.page-contact .filter-empty {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--c-muted);
}

/* ---------- 两条路径 ---------- */

.page-contact .route-split {
  display: grid;
  gap: var(--gap);
}

.page-contact .route-card {
  position: relative;
  padding: clamp(26px, 4vw, 42px) clamp(20px, 3vw, 34px) clamp(46px, 6vw, 66px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-contact .route-card--issue {
  border-top: 2px solid var(--c-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-contact .route-card--partner {
  border-top: 2px solid var(--c-magenta);
  clip-path: polygon(0 0, 100% 8%, 100% 100%, 0 100%);
}

.page-contact .route-title {
  margin: 16px 0 0;
  font-size: clamp(1.15rem, 3.6vw, 1.5rem);
  font-weight: 400;
  color: var(--c-white);
}

.page-contact .route-text {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--c-text);
}

.page-contact .route-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .route-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--c-text);
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
}

.page-contact .route-card--partner .route-list li::before {
  background: var(--c-magenta);
}

.page-contact .route-link {
  margin: 22px 0 0;
  font-size: 0.85rem;
}

.page-contact .route-link a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 224, 0.4);
  padding-bottom: 2px;
}

.page-contact .route-link a:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 光带分隔 ---------- */

.page-contact .band-split {
  position: relative;
  height: 1px;
  margin: clamp(40px, 7vw, 84px) 0;
  background: linear-gradient(90deg, transparent, var(--c-line) 12%, var(--c-line) 88%, transparent);
}

.page-contact .band-split .light-band {
  position: absolute;
  inset: -48px 0;
  display: block;
  background: linear-gradient(100deg, transparent 18%, rgba(53, 230, 224, 0.16) 44%, rgba(255, 63, 164, 0.14) 56%, transparent 82%);
  animation: pc-band-drift 12s linear infinite;
  pointer-events: none;
}

@keyframes pc-band-drift {
  0% { transform: translateX(-11%); }
  50% { transform: translateX(11%); }
  100% { transform: translateX(-11%); }
}

/* ---------- 提交清单 ---------- */

.page-contact .checklist-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.page-contact .checklist {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-contact .check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .check-box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  border: 1px solid var(--c-line);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .check-box:hover {
  border-color: var(--c-cyan);
}

.page-contact .check-box:checked {
  border-color: var(--c-cyan);
  background: rgba(53, 230, 224, 0.14);
}

.page-contact .check-box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(40deg);
}

.page-contact .check-box:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-contact .check-label {
  display: block;
  cursor: pointer;
}

.page-contact .check-title {
  display: block;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-white);
}

.page-contact .check-desc {
  display: block;
  margin-top: 5px;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .check-tail {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--c-magenta);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 响应时效 ---------- */

.page-contact .reply-grid {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
}

.page-contact .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .step-item {
  position: relative;
  border-left: 1px solid var(--c-line);
  transition: border-color 0.2s var(--ease);
}

.page-contact .step-item.is-active {
  border-left-color: var(--c-cyan);
}

.page-contact .step-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  width: 100%;
  padding: 20px 10px 20px 20px;
  border: 0;
  border-bottom: 1px solid var(--c-line);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s var(--ease);
}

.page-contact .step-head:hover {
  background: rgba(19, 26, 63, 0.6);
}

.page-contact .step-head:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: -1px;
}

.page-contact .step-index {
  grid-row: span 2;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

.page-contact .step-title {
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--c-white);
}

.page-contact .step-hint {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-contact .step-body {
  padding: 0 14px 20px 20px;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .step-body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-text);
}

/* ---------- 合作方向 ---------- */

.page-contact .partner-grid {
  display: grid;
  gap: clamp(26px, 5vw, 44px);
}

.page-contact .partner-list {
  display: grid;
  gap: 20px;
}

.page-contact .partner-item {
  padding-top: 14px;
  border-top: 1px solid var(--c-line);
}

.page-contact .partner-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--c-white);
}

.page-contact .partner-item p {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--c-text);
}

.page-contact .partner-note {
  margin: 4px 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .partner-note a,
.page-contact .sync-tail a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 224, 0.4);
}

.page-contact .partner-note a:hover,
.page-contact .sync-tail a:hover {
  border-bottom-color: var(--c-cyan);
}

.page-contact .partner-visual {
  margin: 0;
  aspect-ratio: 3 / 2;
}

/* ---------- 进度同步 ---------- */

.page-contact .sync-note {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 48px);
  border: 1px solid var(--c-line);
  background:
    radial-gradient(circle at 18% 0%, rgba(53, 230, 224, 0.12), transparent 58%),
    radial-gradient(circle at 100% 100%, rgba(255, 63, 164, 0.1), transparent 55%),
    var(--c-panel);
}

.page-contact .sync-note p {
  margin: 18px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--c-text);
}

.page-contact .sync-tail {
  font-size: 0.86rem;
  color: var(--c-muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 28px;
  }

  .page-contact .partner-note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--gap);
    align-items: start;
  }

  .page-contact .hero-left {
    position: sticky;
    top: calc(var(--header-h-compact) + 28px);
  }

  .page-contact .route-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .band-split .light-band {
    animation: none;
    transform: none;
  }
}
</final>