/* ==========================================================
   page-contact —— 联系通道
   作用域：.page-contact
   ========================================================== */

.page-contact {
  --pc-tint: radial-gradient(120% 90% at 8% -6%, rgba(53, 242, 208, .13) 0%, rgba(53, 242, 208, 0) 62%);
  --pc-card: linear-gradient(160deg, #12241D 0%, #0E1C17 100%);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-contact .container {
  width: 100%;
}

.page-contact .breadcrumb {
  margin: 0 0 6px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  background-image: var(--pc-tint);
  border-bottom: 1px solid var(--hairline);
  padding: 14px 0 46px;
}

.page-contact .contact-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 18em;
  font-size: var(--fs-36);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--muted);
}

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

.page-contact .contact-hero__media {
  margin-top: 34px;
  border: 1px solid var(--hairline);
  background: var(--mint-glow);
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 520;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 通用章节间距 ---------- */

.page-contact .section {
  scroll-margin-top: 96px;
}

.page-contact .contact-layout {
  margin-top: 6px;
  align-items: start;
}

/* ---------- [01] 联系方式 ---------- */

.page-contact .contact-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .contact-card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--hairline);
  background: var(--pc-card);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  bottom: -1px;
  width: 2px;
  background: var(--cyan);
}

.page-contact .contact-card--mail::before {
  background: var(--orange);
}

.page-contact .contact-card--office::before {
  background: var(--amber);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .contact-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--mist);
  white-space: nowrap;
}

.page-contact .contact-status__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 208, .14);
}

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

.page-contact .contact-status--wait .contact-status__dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 194, 75, .14);
}

.page-contact .contact-card__value {
  margin: 16px 0 0;
  font-size: var(--fs-22);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__note {
  margin: 12px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .panel {
  border: 1px solid var(--hairline);
  background: var(--panel-deep);
  padding: 22px 20px 20px;
}

.page-contact .panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 4px;
}

.page-contact .panel-title {
  margin: 0;
  font-size: var(--fs-18);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .panel-meta {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--amber);
}

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

.page-contact .route-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

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

.page-contact .route-item__q {
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--text);
}

.page-contact .route-item__a {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--cyan);
}

.page-contact .route-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 242, 208, .5);
}

.page-contact .route-item__a a:hover,
.page-contact .route-item__a a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- [02] 咨询前准备 ---------- */

.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 6px;
}

.page-contact .prepare-item {
  border-top: 2px solid var(--hairline);
  padding: 16px 0 0;
}

.page-contact .prepare-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .prepare-item__title {
  margin: 10px 0 8px;
  font-size: var(--fs-18);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .prepare-item__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .prepare-tip {
  margin: 28px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(53, 242, 208, .05);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- [03] 服务时段 ---------- */

.page-contact .shift-band {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .shift-band__edge {
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
  flex: none;
}

.page-contact .shift-band__rail {
  flex: 1 1 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(53, 242, 208, .55) 55%, var(--orange) 100%);
  opacity: .85;
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border: 1px solid var(--hairline);
  background: var(--panel);
}

.page-contact .stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .stat__num {
  font-size: var(--fs-28);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .stat__note {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .hours-note {
  margin: 26px 0 0;
  max-width: 70ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- [04] 合作对接 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 6px;
}

.page-contact .coop-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--hairline);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  border-color: rgba(53, 242, 208, .55);
  background: var(--panel-deep);
}

.page-contact .coop-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--ink);
  background: var(--orange);
  padding: 3px 8px;
}

.page-contact .coop-card__title {
  margin: 14px 0 10px;
  font-size: var(--fs-22);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .coop-card__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .coop-card__materials {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}

.page-contact .coop-card__materials-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-contact .coop-card__list {
  margin: 0;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .coop-flow {
  margin: 30px 0 0;
  border: 1px solid var(--hairline);
  background: var(--mint-glow);
}

.page-contact .coop-flow img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1000 / 560;
  opacity: .92;
}

.page-contact .coop-flow__caption {
  padding: 14px 18px;
  border-top: 1px solid var(--hairline);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--muted);
  background: rgba(7, 19, 15, .55);
}

.page-contact .coop-note {
  margin: 20px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- [05] 常见咨询（标签页） ---------- */

.page-contact .contact-tabs {
  margin-top: 24px;
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .tab {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  line-height: 1.4;
  padding: 9px 14px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .tab:hover {
  color: var(--text);
  border-color: rgba(53, 242, 208, .45);
}

.page-contact .tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .tab-status {
  margin: 10px 0 0;
  min-height: 1em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .tab-panel {
  padding: 22px 0 0;
}

.page-contact .tab-panel[hidden] {
  display: none;
}

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

.page-contact .panel-col {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}

.page-contact .panel-col__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .panel-list {
  margin: 0;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .panel-list--steps {
  counter-reset: pc-step;
  list-style: none;
  padding-left: 0;
}

.page-contact .panel-list--steps > li {
  position: relative;
  padding-left: 26px;
  counter-increment: pc-step;
}

.page-contact .panel-list--steps > li::before {
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.9;
  color: var(--orange);
}

/* ---------- [06] 备案信息 ---------- */

.page-contact .contact-legal {
  padding-bottom: 60px;
}

.page-contact .filing {
  border: 1px solid var(--hairline);
  background: rgba(14, 28, 23, .8);
}

.page-contact .filing__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .filing__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .filing__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .filing__code {
  font-size: var(--fs-14);
  letter-spacing: .04em;
  color: var(--text);
}

.page-contact .filing__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .filing[open] .filing__hint {
  color: var(--orange);
}

.page-contact .filing__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--hairline);
}

.page-contact .filing__text {
  margin: 16px 0 0;
  max-width: 72ch;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .filing__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 242, 208, .5);
}

.page-contact .filing__text a:hover,
.page-contact .filing__text a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 22px 0 58px;
  }

  .page-contact .contact-hero h1 {
    font-size: var(--fs-48);
  }

  .page-contact .prepare-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-contact .hours-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

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

  .page-contact .panel-cols {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-contact .route-item {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
  }

  .page-contact .route-item__q {
    flex: 1 1 auto;
  }

  .page-contact .route-item__a {
    flex: none;
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-contact .prepare-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-stack {
    gap: 18px;
  }

  .page-contact .contact-card {
    padding: 22px 22px 24px;
  }
}

/* 悬停展开材料清单：仅在支持悬停的宽屏上收起 */
@media (hover: hover) and (min-width: 768px) {
  .page-contact .coop-card__materials {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    border-top-color: transparent;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease), padding-top var(--dur) var(--ease);
  }

  .page-contact .coop-card:hover .coop-card__materials,
  .page-contact .coop-card:focus-within .coop-card__materials {
    max-height: 320px;
    margin-top: 14px;
    padding-top: 14px;
    border-top-color: var(--hairline);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .coop-card__materials,
  .page-contact .tab {
    transition-duration: 1ms;
  }
}
</main>