.page-contact {
  --contact-cut: 22px;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  padding-bottom: clamp(36px, 7vw, 84px);
}

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

.page-contact .contact-crumb {
  padding-top: clamp(12px, 3vw, 24px);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}

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

.page-contact .breadcrumb a:hover {
  color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 46px);
  padding-bottom: clamp(20px, 4vw, 36px);
}

.page-contact .eyebrow {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .eyebrow--amber {
  color: var(--amber);
}

.page-contact h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 7.4vw, 60px);
  line-height: 1.06;
  letter-spacing: 0.01em;
}

.page-contact .contact-lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: #C9D8D3;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-contact .fact-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .fact-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-contact .contact-anchors {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 16px;
  scrollbar-width: none;
}

.page-contact .contact-anchors::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-anchors a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--ink-2);
  color: var(--steel);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}

.page-contact .contact-anchors a:hover {
  color: var(--chalk);
  background: var(--surface);
}

.page-contact .contact-anchors a[data-active="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 1600 / 560;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 18, 15, 0.1) 0%, rgba(7, 18, 15, 0.88) 100%);
  pointer-events: none;
}

/* ---------- 分屏主体 ---------- */
.page-contact .contact-split__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  padding: clamp(26px, 5vw, 56px) 0;
}

.page-contact .contact-card {
  padding: 1px;
  background: linear-gradient(155deg, var(--lime) 0%, rgba(198, 249, 74, 0.18) 46%, var(--line) 100%);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .contact-card__inner {
  padding: clamp(20px, 4vw, 28px);
  background: var(--night);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .contact-card__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-contact .contact-fields {
  margin: 18px 0 0;
}

.page-contact .contact-field + .contact-field {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(108, 138, 130, 0.28);
}

.page-contact .contact-field dt {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-value {
  margin: 6px 0 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--chalk);
  word-break: break-word;
}

.page-contact .contact-value--mono {
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 17.5px);
  font-weight: 500;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-hint {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 右栏区块 ---------- */
.page-contact .contact-block {
  padding: clamp(24px, 4vw, 38px) 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-block h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-contact .contact-block > p {
  margin: 14px 0 0;
  max-width: 62ch;
  color: #C4D3CE;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-contact .contact-block > p a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 249, 74, 0.4);
}

.page-contact .contact-block > p a:hover {
  border-bottom-color: var(--lime);
}

.page-contact .reply-window {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--night);
  border-left: 2px solid var(--amber);
}

.page-contact .reply-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 6.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .reply-label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 自助卡片 ---------- */
.page-contact .self-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .self-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--chalk);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .self-card:hover {
  background: var(--surface);
  transform: translateY(-3px);
}

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

.page-contact .self-card__icon {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--lime);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-contact .self-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .self-card__scene {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  transition: color 0.2s var(--ease);
}

.page-contact .self-card:hover .self-card__scene {
  color: #C9D8D3;
}

.page-contact .self-card__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .contact-media {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-contact .contact-media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-contact .contact-media .media-caption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 问题清单 ---------- */
.page-contact .tip-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .tip-item {
  background: rgba(20, 43, 37, 0.55);
  border: 1px solid var(--line);
}

.page-contact .tip-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-contact .tip-check {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  accent-color: var(--lime);
}

.page-contact .tip-text {
  font-size: 14px;
  line-height: 1.75;
  color: #C9D8D3;
  transition: color 0.15s var(--ease);
}

.page-contact .tip-text strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--chalk);
}

.page-contact .tip-check:checked + .tip-text {
  color: var(--steel);
}

.page-contact .tip-check:checked + .tip-text strong {
  color: var(--steel);
}

.page-contact .tip-note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .tip-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 249, 74, 0.4);
}

/* ---------- 收束轨迹 ---------- */
.page-contact .contact-closing {
  padding-top: clamp(18px, 4vw, 32px);
}

.page-contact .contact-trace {
  position: relative;
  padding-bottom: 12px;
}

.page-contact .contact-trace__rail {
  position: relative;
  height: 1px;
  background: var(--line);
}

.page-contact .contact-trace__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--lime), var(--amber));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.9s var(--ease);
}

.page-contact [data-trace].is-drawn .contact-trace__fill {
  transform: scaleX(1);
}

.page-contact .contact-trace__nodes {
  display: flex;
  justify-content: space-between;
  margin-top: -3px;
}

.page-contact .contact-trace__nodes span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--lime);
}

.page-contact .contact-trace__nodes span:nth-child(2) {
  border-color: var(--amber);
}

.page-contact .contact-trace__nodes span:nth-child(3) {
  border-color: var(--orange);
}

.page-contact .contact-closing__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 66ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .contact-closing__note a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-closing__note a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .self-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-contact .contact-hero__facts {
    padding-bottom: 6px;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-split__grid {
    grid-template-columns: minmax(0, 344px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-side {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .self-card,
  .page-contact .contact-trace__fill,
  .page-contact .self-card__scene,
  .page-contact .tip-text,
  .page-contact .contact-anchors a {
    transition: none;
  }

  .page-contact .self-card:hover {
    transform: none;
  }

  .page-contact .contact-trace__fill {
    transform: scaleX(1);
  }
}