.page-contact {
  --c-radius: clamp(20px, 3vw, 28px);
  --c-gap: clamp(20px, 3.4vw, 40px);
  --c-index-w: 152px;
  position: relative;
  color: var(--text);
  padding-bottom: clamp(40px, 8vw, 88px);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 620px;
  background-image:
    linear-gradient(rgba(22, 38, 44, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 38, 44, .55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 82%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .breadcrumb {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 网格骨架：等宽索引条 + 主体 ---------- */

.page-contact .contact-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--c-gap);
}

.page-contact .lane-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 8px;
  scrollbar-width: none;
}

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

.page-contact .lane-index a {
  flex: 0 0 auto;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  text-decoration: none;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(10, 47, 38, .6);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .lane-index a:hover,
.page-contact .lane-index a:focus-visible {
  color: var(--accent);
  border-color: rgba(41, 242, 192, .55);
}

.page-contact .lane-index a[aria-current="true"] {
  color: var(--ink-900);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

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

@media (min-width: 960px) {
  .page-contact .contact-grid {
    grid-template-columns: var(--c-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .lane-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    gap: 6px;
    padding-bottom: 0;
  }

  .page-contact .lane-index a {
    text-align: left;
  }
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 36px);
  padding: clamp(18px, 3vw, 30px) 0 clamp(26px, 4vw, 42px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  height: 78%;
  background: linear-gradient(118deg, rgba(41, 242, 192, .17) 0%, rgba(41, 242, 192, .04) 38%, transparent 70%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

@media (min-width: 880px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-contact .hero-lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 44ch;
}

/* ---------- 联系信息面板 ---------- */

.page-contact .contact-panel {
  margin-top: clamp(22px, 3.4vw, 32px);
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: linear-gradient(160deg, var(--panel) 0%, var(--ink-850) 100%);
  box-shadow: 0 30px 70px -46px rgba(0, 0, 0, .95);
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-row:last-child {
  padding-bottom: 0;
}

.page-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-contact .contact-val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .01em;
  word-break: break-word;
}

.page-contact .contact-val--mail {
  color: var(--accent);
}

.page-contact .contact-val--phone {
  color: var(--hot);
  font-size: clamp(20px, 3.2vw, 28px);
}

.page-contact .contact-val--addr {
  color: var(--text);
  font-size: clamp(14px, 2vw, 17px);
  font-weight: 600;
  line-height: 1.6;
}

.page-contact .contact-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 首屏配图 ---------- */

.page-contact .hero-figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  opacity: .9;
}

.page-contact .hero-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 18px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--accent-soft);
  background: linear-gradient(180deg, transparent, rgba(4, 35, 27, .94));
}

/* ---------- 通用章节 ---------- */

.page-contact .contact-block {
  position: relative;
  padding: clamp(30px, 5vw, 56px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .block-head h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  max-width: 20em;
}

.page-contact .block-lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 58ch;
}

.page-contact .block-tail {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
}

/* ---------- 数据问题清单 ---------- */

.page-contact .report-list {
  list-style: none;
  counter-reset: step;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .report-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .report-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .report-list li::before {
  content: counter(step, decimal-leading-zero);
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--accent);
}

.page-contact .report-list h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .report-list p {
  grid-column: 2;
  grid-row: 2;
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 合作卡片 ---------- */

.page-contact .coop-cards {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

@media (min-width: 780px) {
  .page-contact .coop-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 20px;
  }

  .page-contact .coop-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-contact .coop-card:nth-child(3) {
    margin-top: 62px;
  }
}

.page-contact .coop-card {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-card:hover {
  border-color: rgba(41, 242, 192, .5);
  transform: translateY(-3px);
}

.page-contact .coop-index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--hot);
}

.page-contact .coop-card h3 {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .coop-card > p:not(.coop-index) {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 折叠说明 ---------- */

.page-contact .coop-card details,
.page-contact .visit-more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-contact summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--accent);
}

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

.page-contact summary::after {
  content: "+";
  margin-left: auto;
  font-size: 16px;
  line-height: 1;
  color: var(--accent-soft);
  transition: transform var(--dur) var(--ease);
}

.page-contact details[open] summary::after {
  transform: rotate(45deg);
}

.page-contact summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-contact details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 服务时段 ---------- */

.page-contact .hours-bar {
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.page-contact .hours-tick {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .hours-track {
  position: relative;
  height: 12px;
  border-radius: var(--r-pill);
  background: var(--slate);
  overflow: hidden;
}

.page-contact .hours-live {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-soft) 100%);
  box-shadow: 0 0 22px rgba(41, 242, 192, .45);
}

.page-contact .hours-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 700px) {
  .page-contact .hours-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-contact .hours-facts li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(10, 47, 38, .72);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .hours-facts strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--accent);
}

.page-contact .hours-figure {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .hours-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  opacity: .92;
}

.page-contact .hours-figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 20px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text);
  background: linear-gradient(180deg, transparent, rgba(4, 35, 27, .95));
}

/* ---------- 来访信息 ---------- */

.page-contact .visit-panel {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--c-radius);
  background: linear-gradient(150deg, rgba(42, 60, 70, .5) 0%, rgba(10, 47, 38, .9) 100%);
}

@media (min-width: 760px) {
  .page-contact .visit-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-contact .visit-more {
    margin-top: 0;
  }
}

.page-contact .visit-addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

.page-contact .visit-hint {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */

.page-contact .contact-outro {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 34px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-contact .contact-outro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 56ch;
}

.page-contact .outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 600px) {
  .page-contact .report-list li {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .page-contact .report-list li::before {
    font-size: 12px;
  }

  .page-contact .contact-hero h1 {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .lane-index a,
  .page-contact summary::after {
    transition: none;
  }

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