.page-contact {
  --pc-radius: 18px;
  padding-bottom: 72px;
}

.page-contact .crumb {
  margin: 22px 0 26px;
}

.page-contact .crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--fog);
  opacity: 0.6;
}

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

.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-narrow);
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
  text-transform: uppercase;
}

.page-contact .lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .dial {
  margin-top: 4px;
  padding: 18px 20px;
  border-radius: var(--pc-radius);
  background: linear-gradient(135deg, rgba(41, 214, 232, 0.14), rgba(255, 106, 31, 0.06) 62%, transparent);
  border: 1px solid var(--line);
}

.page-contact .dial__num {
  display: block;
  margin: 8px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 8.4vw, 68px);
  line-height: 1;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .dial__num:hover,
.page-contact .dial__num:focus-visible {
  color: var(--lime);
}

.page-contact .dial__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .hero-actions .btn {
  flex: 0 1 auto;
}

.page-contact .contact-hero__fig {
  margin: 0;
  border-radius: var(--pc-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-contact .contact-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* ---------- 章节通用 ---------- */

.page-contact .sec-head {
  max-width: 60ch;
  margin-bottom: 22px;
}

.page-contact .sec-head .h-sec {
  margin: 6px 0 10px;
}

.page-contact .sec-head .prose {
  margin: 0;
}

.page-contact .h-sec {
  font-family: var(--font-narrow);
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--paper);
  text-transform: uppercase;
}

.page-contact .prose {
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.84;
}

/* ---------- 邮箱与电话 ---------- */

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .reach-card {
  padding: 20px;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-contact .reach-card__value {
  font-family: var(--font-mono);
  font-size: clamp(18px, 4.6vw, 26px);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid transparent;
}

.page-contact .reach-card__value.num {
  color: var(--orange);
}

.page-contact .reach-card__value:hover,
.page-contact .reach-card__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .reach-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 服务时间 ---------- */

.page-contact .hours {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .hours__media {
  position: relative;
  border-radius: var(--pc-radius);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 180px;
  background: var(--hold);
}

.page-contact .hours__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  opacity: 0.72;
}

.page-contact .hours__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-contact .hours__body .h-sec {
  margin: 4px 0 0;
}

.page-contact .hours__body .prose {
  margin: 0;
  max-width: 58ch;
}

.page-contact .clock {
  margin-top: 8px;
}

.page-contact .clock__bar {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(41, 214, 232, 0.14);
  overflow: hidden;
}

.page-contact .clock__fill {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
}

.page-contact .clock__ticks {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-contact .hours__facts {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .hours__facts li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-contact .hours__facts .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  margin-right: 4px;
}

/* ---------- 按问题找人 ---------- */

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .filter-bar .filter-btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.page-contact .filter-bar .filter-btn:hover,
.page-contact .filter-bar .filter-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .filter-bar .filter-btn[aria-pressed="true"] {
  background: rgba(168, 230, 58, 0.14);
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .ask-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ask-item {
  padding: 20px;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line);
  border-left: 3px solid rgba(41, 214, 232, 0.5);
  min-width: 0;
}

.page-contact .ask-item[hidden] {
  display: none;
}

.page-contact .ask-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-narrow);
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .ask-item p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .ask-link {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 214, 232, 0.4);
  padding-bottom: 2px;
}

.page-contact .ask-link:hover,
.page-contact .ask-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 来信准备 ---------- */

.page-contact .letter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 26px 20px;
  border-radius: var(--pc-radius);
  background: var(--hold);
  border: 1px solid var(--line);
}

.page-contact .letter-grid__intro .h-sec {
  margin: 6px 0 10px;
}

.page-contact .letter-grid__intro .prose {
  margin: 0;
  max-width: 42ch;
}

.page-contact .letter-grid__list {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-contact .fold {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(24, 38, 70, 0.35);
  padding: 0 16px;
}

.page-contact .fold[open] {
  border-left: 3px solid var(--lime);
}

.page-contact .fold summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 0;
  font-family: var(--font-narrow);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
}

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

.page-contact .fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-contact .fold[open] summary::after {
  content: "–";
  color: var(--lime);
}

.page-contact .fold summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 8px;
}

.page-contact .fold p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 其他入口 ---------- */

.page-contact .jump {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-contact .jump .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-variant-numeric: tabular-nums;
  color: rgba(41, 214, 232, 0.55);
}

.page-contact .jump h3 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 19px;
  color: var(--paper);
}

.page-contact .jump p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .jump:hover,
.page-contact .jump:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-contact .jump:hover .num,
.page-contact .jump:focus-visible .num {
  color: var(--lime);
}

.page-contact .tail-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .tail-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 214, 232, 0.4);
}

.page-contact .tail-note a:hover,
.page-contact .tail-note a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 底部联系条 ---------- */

.page-contact .contact-strip {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 22px 20px;
  border-radius: var(--pc-radius);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  background: linear-gradient(180deg, rgba(255, 106, 31, 0.08), rgba(5, 10, 24, 0));
  font-style: normal;
}

.page-contact .contact-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .contact-strip__item a,
.page-contact .contact-strip__item span:last-child {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .contact-strip__item a {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-contact .contact-strip__item a:hover,
.page-contact .contact-strip__item a:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .contact-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 40px;
    padding: 16px 0 34px;
  }

  .page-contact .hours {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 36px;
  }

  .page-contact .hours__media {
    min-height: 320px;
  }

  .page-contact .hours__media img {
    min-height: 320px;
  }

  .page-contact .letter-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: 40px;
    padding: 36px 32px;
  }

  .page-contact .ask-item,
  .page-contact .reach-card,
  .page-contact .jump {
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump {
    transition: none;
  }

  .page-contact .jump:hover,
  .page-contact .jump:focus-visible {
    transform: none;
  }
}