.page-contact {
  --pc-line: rgba(201, 162, 39, 0.32);
  --pc-line-soft: rgba(201, 162, 39, 0.18);
  --pc-onink: rgba(244, 241, 233, 0.72);
  --pc-onink-dim: rgba(244, 241, 233, 0.5);
}

/* ---------- 面包屑（深底） ---------- */
.page-contact .breadcrumb {
  margin: 0 0 26px;
  padding: 0;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .breadcrumb__link {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb__sep {
  color: var(--pc-onink-dim);
}

.page-contact .breadcrumb__item[aria-current="page"] {
  color: var(--pc-onink-dim);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: linear-gradient(168deg, var(--ink-900) 0%, var(--ink-800) 62%, var(--ink-700) 100%);
}

.page-contact .contact-hero__title {
  margin: 12px 0 18px;
  max-width: 15em;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 50px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.28);
}

.page-contact .contact-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pc-onink);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 24px;
  margin-top: 34px;
}

/* ---------- 联络卡片 ---------- */
.page-contact .contact-board {
  padding: 20px 20px 18px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(15, 59, 50, 0.72);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .contact-board__code {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-board__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--pc-onink-dim);
}

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

.page-contact .channel {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 3px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--pc-line-soft);
  outline: none;
}

.page-contact .channel:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-contact .channel:focus-visible {
  box-shadow: 0 0 0 2px var(--gold-light);
  border-radius: 2px;
}

.page-contact .channel__icon {
  grid-row: 1 / span 3;
  align-self: start;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-top: 2px;
  border: 1px solid var(--pc-line);
  border-radius: 50%;
  color: var(--gold-light);
}

.page-contact .channel__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pc-onink-dim);
}

.page-contact .channel__value {
  font-size: 15px;
  line-height: 1.5;
  color: var(--gold-light);
  overflow-wrap: anywhere;
}

.page-contact .channel__scene {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-onink);
  transition: max-height 0.3s var(--ease), opacity 0.24s var(--ease), margin-top 0.3s var(--ease);
}

.page-contact .channel:hover .channel__scene,
.page-contact .channel:focus .channel__scene,
.page-contact .channel:focus-within .channel__scene {
  max-height: 9em;
  margin-top: 8px;
  opacity: 1;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--pc-line-soft);
}

/* ---------- 处理流程 ---------- */
.page-contact .process-figure {
  margin: 0 0 32px;
}

.page-contact .flow {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .flow__step {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid rgba(107, 122, 143, 0.32);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: var(--shadow-card);
}

.page-contact .flow__num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-contact .flow__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .flow__more {
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px dashed rgba(107, 122, 143, 0.45);
}

.page-contact .flow__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-700);
}

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

.page-contact .flow__more summary::after {
  content: "+";
  margin-left: auto;
  font-size: 17px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .flow__more[open] summary::after {
  content: "–";
}

.page-contact .flow__list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 资料索取 ---------- */
.page-contact .request-grid {
  display: grid;
  gap: 28px;
}

.page-contact .request-aside__title {
  margin: 12px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink-900);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 12px;
}

.page-contact .request-aside__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: #4a5560;
}

.page-contact .request-body h3 {
  margin: 26px 0 10px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-800);
}

.page-contact .request-body h3:first-child {
  margin-top: 0;
}

.page-contact .request-body ul {
  margin: 0 0 4px;
  padding-left: 20px;
  line-height: 1.9;
}

.page-contact .request-body strong {
  color: var(--ink-900);
}

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

.page-contact .request-actions .btn {
  text-decoration: none;
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 20px;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border: 1px solid rgba(107, 122, 143, 0.34);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  background: var(--paper-2);
}

.page-contact .partner-card .card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--red);
}

.page-contact .partner-card .card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .partner-card .card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours-section {
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-contact .hours-band {
  margin: 30px 0 34px;
}

.page-contact .hours-band__track {
  position: relative;
  height: 46px;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(244, 241, 233, 0.07);
}

.page-contact .hours-band__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.7), rgba(227, 197, 103, 0.95));
  animation: pc-hours-fill 1.1s var(--ease) 0.25s forwards;
}

@keyframes pc-hours-fill {
  to { width: 100%; }
}

.page-contact .hours-band__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pc-onink-dim);
}

.page-contact .hours-notes {
  display: grid;
  gap: 18px;
}

.page-contact .hours-note {
  padding: 16px 18px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius);
  background: rgba(15, 59, 50, 0.55);
}

.page-contact .hours-note__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .hours-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-onink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-contact .contact-board {
    padding: 24px 24px 20px;
  }

  .page-contact .flow {
    gap: 24px;
  }

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

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 40px;
  }

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

  .page-contact .request-grid {
    grid-template-columns: minmax(250px, 0.6fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .request-aside {
    position: sticky;
    top: 96px;
  }

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

@media (min-width: 1080px) {
  .page-contact .contact-hero__title {
    font-size: 50px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hours-band__fill {
    animation: none;
    width: 100%;
  }

  .page-contact .channel__scene {
    transition: none;
  }
}