.page-home {
  --home-radius: 12px;
  --home-edge: rgba(155, 183, 255, 0.16);
  --home-card-bg: rgba(14, 23, 64, 0.72);
  --home-rail-w: 92px;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-home.breadcrumb {
  padding-top: 24px;
  padding-bottom: 4px;
}

/* ---------- 主布局 ---------- */
.page-home .home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-home .home-flow {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* ---------- 纵向索引栏 ---------- */
.page-home .home-rail {
  display: none;
}

@media (min-width: 1024px) {
  .page-home .home-layout {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    gap: 56px;
  }
  .page-home .home-rail {
    display: block;
    position: sticky;
    top: 112px;
    align-self: start;
    padding: 8px 0;
  }
  .page-home .home-rail .rail-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
}

.page-home .rail-heading {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-home .home-rail .rail-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  color: var(--muted);
  font-size: 12px;
  text-decoration: none;
  transition: color 200ms var(--ease-out);
}

.page-home .home-rail .rail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--rc, var(--muted));
  box-shadow: 0 0 0 1px rgba(155, 183, 255, 0.25);
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

.page-home .home-rail .rail-link:hover,
.page-home .home-rail .rail-link[aria-current="true"] {
  color: var(--paper);
}

.page-home .home-rail .rail-link:hover .rail-dot,
.page-home .home-rail .rail-link[aria-current="true"] .rail-dot {
  transform: translateX(2px) scale(1.15);
  box-shadow: 0 0 10px 1px var(--rc, var(--muted));
}

.page-home .home-rail .rail-label {
  line-height: 1.3;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-top: 16px;
}

.page-home .home-kicker {
  margin: 0 0 20px;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .home-hero h1 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 52px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 20ch;
}

.page-home .home-lead {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-home .home-hint {
  margin: 0 0 40px;
  padding: 14px 18px;
  border-left: 2px solid var(--amber);
  background: var(--glass);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-home .home-hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-home .home-hint a:hover {
  border-bottom-color: var(--cyan);
}

/* 目录索引 两列 */
.page-home .home-directory {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 720px) {
  .page-home .home-directory {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }
}

.page-home .dir-title {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-scale);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .dir-range-list,
.page-home .dir-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-home .dir-range-list li {
  display: grid;
  grid-template-columns: 12px 32px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 10px 4px;
  border-bottom: 1px solid rgba(27, 42, 102, 0.5);
  transition: background 180ms var(--ease-out);
}

.page-home .dir-range-list li:hover {
  background: var(--glass);
}

.page-home .dir-dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rc, var(--muted));
  box-shadow: 0 0 8px 0 var(--rc, transparent);
}

.page-home .dir-code {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rc, var(--paper));
}

.page-home .dir-name {
  font-size: 14px;
  color: var(--paper);
}

.page-home .dir-nav-list a {
  display: block;
  padding: 11px 4px;
  border-bottom: 1px solid rgba(27, 42, 102, 0.5);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms var(--ease-out), padding-left 180ms var(--ease-out);
}

.page-home .dir-nav-list a:hover {
  color: var(--cyan);
  padding-left: 10px;
}

/* ---------- 分区通用 ---------- */
.page-home .home-section {
  min-width: 0;
}

.page-home .section-head {
  margin-bottom: 36px;
}

.page-home .section-head--tight {
  margin-bottom: 24px;
}

.page-home .section-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .section-head h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.32;
  letter-spacing: 0.04em;
  color: var(--paper);
  max-width: 22ch;
}

.page-home .section-lead {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

/* 图 */
.page-home .figure {
  margin: 0 0 40px;
}

.page-home .figure-img {
  position: relative;
  overflow: hidden;
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background:
    linear-gradient(rgba(155, 183, 255, 0.05) 1px, transparent 1px) 0 0 / 100% 32px,
    linear-gradient(90deg, rgba(155, 183, 255, 0.05) 1px, transparent 1px) 0 0 / 32px 100%,
    var(--ink-cabin);
}

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

.page-home .figure-cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 六个区间卡片 ---------- */
.page-home .range-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-home .range-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1120px) {
  .page-home .range-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .range-card {
  position: relative;
  padding: 22px 22px 24px;
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background:
    linear-gradient(160deg, rgba(155, 183, 255, 0.06), transparent 62%),
    var(--home-card-bg);
  overflow: hidden;
  transition: border-color 200ms var(--ease-out), box-shadow 220ms var(--ease-out), transform 220ms var(--ease-out);
}

.page-home .range-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--rc, var(--muted));
  opacity: 0.85;
  transition: width 220ms var(--ease-out), opacity 220ms var(--ease-out);
}

.page-home .range-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -55% auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--rc, var(--muted)) 0%, transparent 68%);
  opacity: 0.14;
  pointer-events: none;
  transition: opacity 220ms var(--ease-out);
}

.page-home .range-card:hover {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 0 1px var(--rc, var(--cyan)), 0 0 24px -6px var(--rc, var(--cyan));
  transform: translateY(-2px);
}

.page-home .range-card:hover::before { width: 4px; opacity: 1; }
.page-home .range-card:hover::after { opacity: 0.24; }

.page-home .range-code {
  margin: 0 0 14px;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0;
  color: var(--rc, var(--paper));
  text-shadow: 0 0 14px color-mix(in srgb, var(--rc, transparent) 55%, transparent);
}

.page-home .range-name {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-home .range-anchor {
  margin: 0 0 12px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .range-num {
  font-size: 22px;
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: 0;
}

.page-home .range-unit {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .range-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 资源下载 ---------- */
.page-home .download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 860px) {
  .page-home .download-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-home .download-card {
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background: var(--home-card-bg);
  overflow: hidden;
  transition: border-color 200ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

.page-home .download-card[open],
.page-home .download-card:hover {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 0 1px var(--rc, var(--cyan)), 0 0 22px -8px var(--rc, var(--cyan));
}

.page-home .download-summary {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 4px 10px;
  padding: 20px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-home .download-index {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: 18px;
  letter-spacing: 0;
  color: var(--rc, var(--cyan));
}

.page-home .download-name {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-home .download-meta {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .download-body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line-scale);
}

.page-home .download-list {
  margin: 18px 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-home .download-list > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 9px;
  border-bottom: 1px dashed rgba(27, 42, 102, 0.8);
}

.page-home .download-list dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .download-list dd {
  margin: 0;
  font-size: 13px;
  color: var(--paper);
  text-align: right;
}

.page-home .download-body p {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 长卷节奏停顿图 ---------- */
.page-home .home-break {
  margin: 0;
}

.page-home .home-break .figure-img {
  border-color: rgba(255, 45, 149, 0.2);
}

/* ---------- 两条活动线 ---------- */
.page-home .lines-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (min-width: 820px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-home .line-card {
  position: relative;
  padding: 28px 24px 26px;
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background:
    linear-gradient(200deg, color-mix(in srgb, var(--rc, var(--cyan)) 12%, transparent), transparent 58%),
    var(--home-card-bg);
  transition: border-color 200ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

.page-home .line-card:hover {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 26px -10px var(--rc, var(--cyan));
}

.page-home .line-tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 10px;
  border: 1px solid color-mix(in srgb, var(--rc, var(--cyan)) 55%, transparent);
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--rc, var(--cyan));
}

.page-home .line-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-home .line-cycle {
  margin: 0 0 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .line-num {
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: 0;
  color: var(--paper);
}

.page-home .line-unit {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .line-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .lines-foot {
  margin: 0;
  padding: 14px 18px;
  border-radius: 8px;
  border: 1px solid rgba(255, 45, 149, 0.24);
  background: rgba(255, 45, 149, 0.06);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 积分比率 ---------- */
.page-home .ratio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-home .ratio-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
  }
}

.page-home .ratio-stats {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .ratio-stat {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 16px 18px 16px 26px;
  border-radius: 10px;
  border: 1px solid var(--home-edge);
  background: var(--glass);
}

.page-home .ratio-stat::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rc, var(--amber));
  box-shadow: 0 0 8px 0 var(--rc, var(--amber));
}

.page-home .ratio-num {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
  color: var(--paper);
  white-space: nowrap;
}

.page-home .ratio-label {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .ratio-cta {
  margin: 0;
}

.page-home .ratio-figure {
  margin: 0;
}

/* ---------- 服务与支持 ---------- */
.page-home .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

@media (min-width: 900px) {
  .page-home .support-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 56px;
  }
}

.page-home .support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-home .support-card {
  padding: 20px 22px;
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background: var(--home-card-bg);
  border-left: 3px solid var(--rc, var(--cyan));
}

.page-home .support-key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-home .support-val {
  margin: 0 0 12px;
  font-size: 16px;
  letter-spacing: 0;
  color: var(--paper);
  word-break: break-all;
}

.page-home .support-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .map-figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-home .map-figure {
    justify-self: end;
    width: 100%;
  }
}

/* ---------- 专栏动态 ---------- */
.page-home .column-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-home .column-item {
  min-width: 0;
}

.page-home .column-card {
  display: block;
  padding: 22px 24px;
  border-radius: var(--home-radius);
  border: 1px solid var(--home-edge);
  background: var(--home-card-bg);
  text-decoration: none;
  transition: border-color 200ms var(--ease-out), box-shadow 220ms var(--ease-out), transform 220ms var(--ease-out);
}

.page-home .column-card:hover {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 24px -10px var(--rc, var(--cyan));
  transform: translateX(4px);
}

.page-home .column-tag {
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--rc, var(--cyan));
}

.page-home .column-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-home .column-excerpt {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.page-home .column-time {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(152, 163, 214, 0.72);
}

.page-home .column-cta {
  margin: 0;
}

/* ---------- 页尾六色渐隐线 ---------- */
.page-home .home-tail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  padding-top: 24px;
}

.page-home .home-tail span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--rc, var(--muted));
  opacity: 0.85;
}

.page-home .home-tail span:nth-child(1) { background: linear-gradient(90deg, transparent, var(--rc)); }
.page-home .home-tail span:nth-child(2) { background: linear-gradient(90deg, transparent, var(--rc)); }
.page-home .home-tail span:nth-child(3) { background: linear-gradient(90deg, transparent, var(--rc)); }
.page-home .home-tail span:nth-child(4) { background: linear-gradient(90deg, transparent, var(--rc)); }
.page-home .home-tail span:nth-child(5) { background: linear-gradient(90deg, transparent, var(--rc)); }
.page-home .home-tail span:nth-child(6) { background: linear-gradient(90deg, transparent, var(--rc)); }

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .range-card,
  .page-home .column-card,
  .page-home .line-card,
  .page-home .download-card,
  .page-home .dir-nav-list a,
  .page-home .home-rail .rail-dot {
    transition: none;
  }
  .page-home .range-card:hover,
  .page-home .column-card:hover {
    transform: none;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 480px) {
  .page-home {
    padding-bottom: 56px;
  }
  .page-home .home-directory {
    gap: 24px;
  }
  .page-home .dir-range-list li {
    grid-template-columns: 10px 28px minmax(0, 1fr);
    padding: 9px 2px;
  }
  .page-home .home-hero h1 {
    max-width: none;
  }
  .page-home .range-card,
  .page-home .line-card,
  .page-home .support-card,
  .page-home .column-card {
    padding: 18px;
  }
  .page-home .range-num,
  .page-home .line-num {
    font-size: 19px;
  }
  .page-home .ratio-stat {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding-left: 24px;
  }
}
</main>