.page-contact {
  --pc-ink-soft: rgba(20, 32, 46, 0.72);
  --pc-cream-soft: rgba(253, 251, 247, 0.78);
  --pc-paper-line: rgba(20, 32, 46, 0.14);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 22px 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
}

.page-contact .breadcrumb__item {
  color: var(--slate);
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(124, 147, 170, 0.5);
}

.page-contact .breadcrumb__link {
  color: var(--cyan-soft);
  text-decoration: none;
}

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

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(40px, 5.5vw, 76px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  line-height: 1.82;
  color: var(--pc-cream-soft);
}

.page-contact .contact-hero__figure {
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow-soft);
}

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

/* ---------- 联系信息大卡 ---------- */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink-text);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 2.6vw, 32px) clamp(20px, 2.6vw, 32px) clamp(20px, 2.4vw, 30px) clamp(26px, 3vw, 40px);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--amber), var(--cyan) 72%, rgba(40, 224, 200, 0));
}

.page-contact .contact-card__eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 9px;
  border-radius: var(--radius);
  background: rgba(242, 180, 65, 0.28);
  border: 1px solid rgba(242, 180, 65, 0.6);
  color: var(--ink-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-contact .contact-card__title {
  margin: 0 0 20px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 900;
  line-height: 1.32;
  color: var(--ink-text);
}

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

.page-contact .contact-item + .contact-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--pc-paper-line);
}

.page-contact .contact-item__badge {
  display: inline-block;
  margin: 0 0 9px;
  padding: 3px 9px;
  border-radius: var(--radius);
  background: var(--amber);
  color: var(--ink-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-contact .contact-item__value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.3vw, 1.12rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink-text);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
}

.page-contact .contact-item__hint {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--pc-ink-soft);
}

/* ---------- 01 定位信息清单（暖纸色区） ---------- */
.page-contact .contact-prep {
  position: relative;
  background: var(--paper);
  color: var(--ink-text);
  padding: clamp(46px, 6.5vw, 88px) 0;
}

.page-contact .contact-prep::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(360px, 55vw);
  height: 2px;
  background: linear-gradient(90deg, var(--amber), rgba(242, 180, 65, 0));
}

.page-contact .contact-prep__head {
  max-width: 60ch;
}

.page-contact .contact-prep__num,
.page-contact .contact-window__num,
.page-contact .contact-topics__num,
.page-contact .contact-local__num {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  line-height: 1.4;
}

.page-contact .contact-prep__num {
  color: var(--ink-text);
  background: rgba(20, 32, 46, 0.07);
  border: 1px solid var(--pc-paper-line);
}

.page-contact .contact-window__num,
.page-contact .contact-topics__num,
.page-contact .contact-local__num {
  color: var(--cyan);
  background: rgba(40, 224, 200, 0.08);
  border: 1px solid rgba(40, 224, 200, 0.35);
}

.page-contact .contact-prep__title,
.page-contact .contact-window__title,
.page-contact .contact-topics__title,
.page-contact .contact-local__title {
  margin: 16px 0 10px;
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  font-weight: 900;
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.page-contact .contact-prep__title {
  color: var(--ink-text);
}

.page-contact .contact-window__title,
.page-contact .contact-topics__title,
.page-contact .contact-local__title {
  color: var(--cream);
}

.page-contact .contact-prep__note,
.page-contact .contact-topics__note {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-base);
  line-height: 1.78;
}

.page-contact .contact-prep__note {
  color: var(--pc-ink-soft);
}

.page-contact .contact-topics__note {
  color: var(--pc-cream-soft);
}

.page-contact .prep-list {
  margin: clamp(28px, 3.6vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border: 1px solid var(--pc-paper-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .prep-item {
  padding: clamp(22px, 2.6vw, 32px);
  border-top: 1px solid var(--pc-paper-line);
}

.page-contact .prep-item:first-child {
  border-top: 0;
}

.page-contact .prep-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1;
}

.page-contact .prep-item__title {
  margin: 14px 0 8px;
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-text);
}

.page-contact .prep-item__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.76;
  color: var(--pc-ink-soft);
}

/* ---------- 02 回复时段 ---------- */
.page-contact .contact-window {
  padding: clamp(44px, 6vw, 82px) 0;
}

.page-contact .window-grid {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .window-cell {
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--ink-2);
}

.page-contact .window-cell--lead {
  background: linear-gradient(180deg, rgba(40, 224, 200, 0.16), rgba(19, 41, 63, 1));
}

.page-contact .window-cell__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
}

.page-contact .window-cell__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.78;
  color: var(--pc-cream-soft);
}

/* ---------- 03 常见咨询类型 ---------- */
.page-contact .contact-topics {
  padding: clamp(44px, 6vw, 84px) 0;
}

.page-contact .contact-topics__head {
  max-width: 60ch;
}

.page-contact .topic-list {
  margin-top: clamp(24px, 3vw, 36px);
  display: grid;
  gap: 10px;
}

.page-contact .topic {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: rgba(19, 41, 63, 0.55);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-contact .topic[open] {
  border-color: rgba(40, 224, 200, 0.38);
  background: rgba(19, 41, 63, 0.92);
}

.page-contact .topic__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px clamp(16px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
}

.page-contact .topic__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius-lg);
}

.page-contact .topic__index {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .topic__name {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .topic__cue {
  padding: 3px 8px;
  border: 1px solid rgba(40, 224, 200, 0.35);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .topic[open] .topic__cue {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .topic__body {
  padding: 0 clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 24px);
}

.page-contact .topic__body p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--pc-cream-soft);
}

.page-contact .topic__body .btn {
  margin-top: 2px;
}

/* ---------- 04 备案与在地协作 ---------- */
.page-contact .contact-local {
  position: relative;
  padding: clamp(44px, 6vw, 84px) 0 clamp(56px, 7vw, 96px);
}

.page-contact .contact-local__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-local__text {
  min-width: 0;
}

.page-contact .contact-local__para {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-base);
  line-height: 1.82;
  color: var(--pc-cream-soft);
}

.page-contact .filing-card {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 28px);
  padding: 12px 16px;
  border: 1px solid var(--pc-paper-line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-card);
  outline: none;
}

.page-contact .filing-card:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan), var(--shadow-card);
}

.page-contact .filing-card__label {
  padding: 3px 8px;
  border-radius: var(--radius);
  background: rgba(242, 180, 65, 0.4);
  color: var(--ink-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-contact .filing-card__value {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-text);
  overflow-wrap: anywhere;
}

.page-contact .contact-local__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .topic__body {
    padding-left: calc(clamp(16px, 2vw, 22px) + 34px);
  }
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .prep-item {
    border-top: 0;
    border-left: 1px solid var(--pc-paper-line);
  }

  .page-contact .prep-item:first-child {
    border-left: 0;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-local__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}