/* =========================================================
   PAGE: HOME — 夜间城市坐标封面特刊
   作用域：.page-home
   ========================================================= */

.page-home {
  display: block;
  background: var(--c-deep);
  color: var(--c-paper);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-home section[id] {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

/* ---------- 封面区块 ---------- */

.page-home .cover {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 64px;
}

.page-home .cover-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .cover-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .cover-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(53, 230, 210, 0.22), transparent 58%),
    linear-gradient(180deg, rgba(10, 22, 51, 0.9) 0%, rgba(10, 22, 51, 0.58) 38%, rgba(10, 22, 51, 0.98) 100%);
}

.page-home .cover-mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 246, 251, 0.06) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(244, 246, 251, 0.06) 0 1px, transparent 1px 92px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 22%, #000 74%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 22%, #000 74%, transparent 100%);
}

.page-home .cover-body {
  position: relative;
  z-index: 2;
}

.page-home .cover .crumbs {
  margin-bottom: 10px;
}

.page-home .cover .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--paper-55);
}

.page-home .cover .crumbs-list li + li::before {
  content: "›";
  margin: 0 8px;
  color: var(--c-violet);
}

.page-home .cover-grid {
  display: grid;
  gap: 36px;
  margin-top: 30px;
}

/* ---------- 通用章节 ---------- */

.page-home .pg-section {
  position: relative;
  padding: 68px 0;
}

.page-home .pg-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(244, 246, 251, 0.12);
}

.page-home .pg-section--deep {
  background: var(--c-deep);
}

.page-home .pg-section--night {
  background: var(--c-night);
}

.page-home .pg-section--paper {
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-home .pg-section--paper::before {
  background: var(--c-rule);
}

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--c-neon);
  margin: 0 0 14px;
}

.page-home .cover-index .eyebrow {
  color: var(--paper-55);
  margin-bottom: 12px;
}

.page-home .display-2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.2vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}

.page-home .lede {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--paper-80);
}

.page-home .pg-section--paper .lede {
  color: var(--c-ink);
}

.page-home .section-head {
  max-width: 68ch;
  margin-bottom: 40px;
}

.page-home .tail-note {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--neon-35);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--paper-55);
}

.page-home .pg-section--paper .tail-note {
  color: var(--c-muted);
  border-left-color: var(--c-rule);
}

.page-home .tail-note a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-35);
}

.page-home .pg-section--paper .tail-note a {
  color: var(--c-neon-ink);
  border-bottom-color: var(--c-neon-ink);
}

/* ---------- 索引与版本 ---------- */

.page-home .index-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid rgba(244, 246, 251, 0.14);
}

.page-home .index-list li {
  margin: 0;
}

.page-home .index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(244, 246, 251, 0.14);
  color: var(--paper-60);
  font-size: var(--fs-14);
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-home .index-list a:hover,
.page-home .index-list a:focus-visible {
  color: var(--c-neon);
  padding-left: 8px;
}

.page-home .index-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--c-violet);
}

.page-home .version-block {
  display: grid;
  gap: 5px;
  padding: 18px 20px 20px;
  border: 1px solid rgba(244, 246, 251, 0.14);
  border-left: 2px solid var(--c-neon);
  background: rgba(19, 36, 71, 0.7);
}

.page-home .version-k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--paper-55);
}

.page-home .version-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-40);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-neon);
}

.page-home .version-note {
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--paper-55);
}

/* ---------- 封面主标题区 ---------- */

.page-home .cover-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.32em;
  color: var(--c-neon);
}

.page-home .cover-title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 12.6vw, 110px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--c-paper);
}

.page-home .cover-title em {
  font-style: normal;
  color: var(--c-neon);
}

.page-home .cover-lead {
  max-width: 42ch;
  margin: 0 0 30px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--paper-80);
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 七四错位栅格 ---------- */

.page-home .lay {
  display: grid;
  gap: 34px;
}

/* ---------- 偏好调整清单 ---------- */

.page-home .p-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid rgba(244, 246, 251, 0.14);
}

.page-home .p-list li {
  position: relative;
  padding: 18px 0 18px 28px;
  border-bottom: 1px solid rgba(244, 246, 251, 0.14);
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--paper-80);
}

.page-home .p-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 12px;
  height: 1px;
  background: var(--c-neon);
}

.page-home .p-list strong {
  color: var(--c-neon);
  font-weight: 600;
}

/* ---------- 图像容器 ---------- */

.page-home .shot-fig {
  margin: 0 0 22px;
}

.page-home .shot {
  position: relative;
  overflow: hidden;
  background: rgba(10, 22, 51, 0.6);
  border: 1px solid rgba(244, 246, 251, 0.16);
}

.page-home .pg-section--paper .shot {
  background: #E7ECF6;
  border-color: var(--c-rule);
}

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

.page-home .shot::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-neon), var(--c-amber) 55%, transparent);
}

.page-home .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--paper-55);
}

.page-home .pg-section--paper .figure-caption {
  color: var(--c-muted);
}

/* ---------- 窄栏注释 ---------- */

.page-home .aside-note {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--neon-35);
}

.page-home .aside-note p {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--paper-60);
}

.page-home .aside-note p:last-child {
  margin-bottom: 0;
}

.page-home .aside-note p.aside-note-title {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-neon);
  margin-bottom: 8px;
}

.page-home .pg-section--paper .aside-note {
  border-left-color: var(--c-rule);
}

.page-home .pg-section--paper .aside-note p {
  color: var(--c-muted);
}

.page-home .pg-section--paper .aside-note p.aside-note-title {
  color: var(--c-neon-ink);
}

/* ---------- 栏目地图 ---------- */

.page-home .map-section {
  overflow: hidden;
}

.page-home .map-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .map-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-home .map-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--c-night) 0%, rgba(19, 36, 71, 0.55) 46%, var(--c-night) 100%);
}

.page-home .map-section .shell {
  position: relative;
  z-index: 1;
}

.page-home .map-nodes {
  display: grid;
  gap: 18px;
}

.page-home .map-node {
  position: relative;
  padding: 30px 24px 24px;
  background: rgba(10, 22, 51, 0.74);
  border: 1px solid rgba(244, 246, 251, 0.14);
  border-top: 2px solid var(--c-violet);
  transition:
    border-color 200ms var(--ease),
    background 200ms var(--ease),
    transform 220ms var(--ease);
}

.page-home .map-node:hover {
  border-color: var(--neon-35);
  border-top-color: var(--c-neon);
  background: rgba(13, 29, 62, 0.92);
  transform: translateY(-4px);
}

.page-home .map-node-no {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.24em;
  color: var(--c-violet);
}

.page-home .map-node-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--c-paper);
}

.page-home .map-node p {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--paper-60);
}

.page-home .map-node-link {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(244, 246, 251, 0.12);
}

.page-home .map-node-link a {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-neon);
  text-decoration: none;
}

.page-home .map-node-link a:hover {
  color: var(--c-amber);
}

/* ---------- 导出事实表 ---------- */

.page-home .fact-list {
  margin: 0 0 26px;
  border-top: 1px solid var(--c-rule);
}

.page-home .fact {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-rule);
}

.page-home .fact dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--c-neon-ink);
}

.page-home .fact dd {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--c-ink);
}

/* ---------- 区间回看 ---------- */

.page-home .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-rule);
}

.page-home .scene-list li {
  position: relative;
  padding: 18px 0 18px 30px;
  border-bottom: 1px solid var(--c-rule);
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--c-ink);
}

.page-home .scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 14px;
  height: 2px;
  background: var(--c-amber);
}

.page-home .range-scale {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--c-rule);
}

.page-home .range-point {
  display: grid;
  gap: 8px;
  padding: 22px 18px;
}

.page-home .range-point + .range-point {
  border-left: 1px dashed var(--c-rule);
}

.page-home .range-point--on {
  background: rgba(53, 230, 210, 0.14);
}

.page-home .range-head {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-home .range-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-40);
  line-height: 1;
  color: var(--c-ink);
}

.page-home .range-point--on .range-num {
  color: var(--c-neon-ink);
}

.page-home .range-unit {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--c-muted);
}

.page-home .range-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

/* ---------- 长期使用 ---------- */

.page-home .trust-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 40px;
}

.page-home .trust-card {
  padding: 28px 24px 26px;
  border: 1px solid rgba(244, 246, 251, 0.14);
  border-left: 2px solid var(--c-neon);
  background: rgba(19, 36, 71, 0.55);
}

.page-home .trust-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-20);
  line-height: 1.35;
  color: var(--c-paper);
}

.page-home .trust-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--paper-60);
}

.page-home .stat-row {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(244, 246, 251, 0.14);
  border: 1px solid rgba(244, 246, 251, 0.14);
}

.page-home .stat-row li {
  display: grid;
  gap: 6px;
  padding: 24px 20px;
  background: var(--c-deep);
}

.page-home .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-neon);
}

.page-home .stat-label {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--paper-55);
}

/* ---------- 下一步 ---------- */

.page-home .next-grid {
  display: grid;
  gap: 30px;
}

.page-home .next-actions {
  display: grid;
  gap: 18px;
}

.page-home .next-card {
  display: grid;
  gap: 10px;
  padding: 30px 26px;
  border: 1px solid rgba(244, 246, 251, 0.16);
  background: rgba(10, 22, 51, 0.6);
  color: inherit;
  text-decoration: none;
  transition: border-color 200ms var(--ease), transform 220ms var(--ease);
}

.page-home .next-card:hover,
.page-home .next-card:focus-visible {
  border-color: var(--c-neon);
  transform: translateY(-4px);
}

.page-home .next-card-k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--c-violet);
}

.page-home .next-card-t {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-28);
  line-height: 1.2;
  color: var(--c-paper);
}

.page-home .next-card-d {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--paper-60);
}

/* ---------- 滚动显现 ---------- */

.page-home [data-reveal] {
  transform: translateY(18px);
  transition: transform 520ms var(--ease);
}

.page-home [data-reveal][data-revealed] {
  transform: translateY(0);
}

.page-home .map-node[data-reveal]:nth-child(2) {
  transition-delay: 80ms;
}

.page-home .map-node[data-reveal]:nth-child(3) {
  transition-delay: 160ms;
}

/* =========================================================
   MEDIA QUERIES
   ========================================================= */

@media (min-width: 700px) {
  .page-home .fact {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-home .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 880px) {
  .page-home .map-nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .next-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 940px) {
  .page-home .cover {
    padding-top: calc(var(--header-h) + 58px);
    padding-bottom: 104px;
  }

  .page-home .cover-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 40px;
    align-items: start;
    margin-top: 52px;
  }

  .page-home .cover-index {
    grid-column: 1 / span 3;
  }

  .page-home .cover-main {
    grid-column: 5 / span 8;
  }

  .page-home .cover-lead {
    font-size: var(--fs-20);
    max-width: 38ch;
  }

  .page-home .pg-section {
    padding: 108px 0;
  }

  .page-home .lay {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 40px;
    align-items: start;
  }

  .page-home .lay__wide {
    grid-column: 1 / span 7;
  }

  .page-home .lay__narrow {
    grid-column: 9 / span 4;
  }

  .page-home .lay--flip .lay__wide {
    grid-column: 6 / span 7;
  }

  .page-home .lay--flip .lay__narrow {
    grid-column: 1 / span 4;
  }

  .page-home .trust-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    margin-bottom: 52px;
  }

  .page-home .section-head {
    margin-bottom: 52px;
  }

  .page-home .next-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 0 40px;
    align-items: start;
  }

  .page-home .next-lead {
    grid-column: 1 / span 4;
  }

  .page-home .next-actions {
    grid-column: 5 / span 8;
  }
}

@media (min-width: 1240px) {
  .page-home .cover-title {
    font-size: clamp(72px, 8.2vw, 112px);
  }

  .page-home .cover-grid {
    gap: 0 56px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    transform: none;
    transition: none;
  }

  .page-home .index-list a,
  .page-home .map-node,
  .page-home .next-card {
    transition: none;
  }

  .page-home .map-node:hover,
  .page-home .next-card:hover {
    transform: none;
  }
}