.page-home {
  --home-line: 1px solid rgba(29, 58, 46, .7);
  --home-pad: 20px;
}

/* ---------- 首屏 ---------- */
.page-home .hero-index {
  position: relative;
  padding: 40px 0 56px;
  background: var(--ink-900);
  border-bottom: var(--hairline);
  overflow: hidden;
}

.page-home .hero-index__media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  opacity: .26;
  pointer-events: none;
}

.page-home .hero-index__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) brightness(.62);
}

.page-home .hero-index__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink-900) 12%, rgba(6, 18, 14, .38) 78%);
}

.page-home .hero-index__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: end;
}

.page-home .hero-index__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--cyan-400);
  margin-bottom: 14px;
}

.page-home .hero-index__main {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(42px, 12vw, 104px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--bone-100);
}

.page-home .hero-index__desc {
  margin: 22px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone-300);
}

.page-home .hero-index__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero-index__aside {
  border: var(--hairline);
  background: var(--ink-850);
  padding: 18px;
}

.page-home .hero-index__aside-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone-500);
  margin: 0 0 12px;
}

.page-home .hero-stats {
  margin: 0;
}

.page-home .hero-stats__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: var(--home-line);
}

.page-home .hero-stats__row:last-child {
  border-bottom: 0;
}

.page-home .hero-stats dt {
  font-size: 13px;
  color: var(--stone-500);
}

.page-home .hero-stats dd {
  margin: 0;
  font-size: 15px;
  color: var(--bone-100);
}

.page-home .hero-index__aside-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--home-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-500);
}

/* ---------- 主索引网格 ---------- */
.page-home .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 48px;
}

.page-home .index-toc__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone-500);
}

.page-home .index-flow {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ---------- 面板 ---------- */
.page-home .panel-stack {
  display: flex;
  flex-direction: column;
}

.page-home .panel-stack > .panel + .panel {
  margin-top: -8px;
}

.page-home .panel {
  background: var(--ink-850);
  border: var(--hairline);
}

.page-home .panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 18px;
  border-bottom: var(--hairline);
}

.page-home .panel__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-home .panel__title {
  flex: 1 1 220px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--bone-100);
}

.page-home .panel__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone-500);
}

.page-home .panel__toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: var(--hairline);
  cursor: pointer;
}

.page-home .panel__toggle-icon {
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
}

.page-home .panel__toggle-icon::before,
.page-home .panel__toggle-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--cyan-400);
}

.page-home .panel__toggle-icon::before {
  width: 12px;
  height: 1px;
}

.page-home .panel__toggle-icon::after {
  width: 1px;
  height: 12px;
}

.page-home .panel[data-collapsed] .panel__toggle-icon::after {
  display: none;
}

.page-home .panel[data-collapsed] .panel__body {
  display: none;
}

.page-home .panel__body {
  padding: 22px 18px 26px;
}

/* ---------- 面板内两栏 ---------- */
.page-home .home-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-home .home-split__main,
.page-home .home-split__side {
  min-width: 0;
}

.page-home .lead-line {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--bone-100);
}

.page-home .prose {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone-300);
}

.page-home .prose:last-child {
  margin-bottom: 0;
}

.page-home .prose a,
.page-home .path-index__cta a,
.page-home .index-band__intro a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-800);
}

.page-home .prose a:hover,
.page-home .path-index__cta a:hover {
  border-bottom-color: var(--cyan-400);
}

.page-home .fact-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: var(--home-line);
}

.page-home .fact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 10px 0;
  border-bottom: var(--home-line);
}

.page-home .fact-list__k {
  flex: 0 0 84px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone-500);
}

.page-home .fact-list__v {
  flex: 1 1 160px;
  font-size: 14px;
  color: var(--bone-100);
}

/* ---------- 控球率视觉 ---------- */
.page-home .power-visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-home .ring-figure {
  margin: 0;
  padding: 16px;
  border: var(--hairline);
  background: var(--ink-900);
  background-image:
    linear-gradient(var(--grid-rgba) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-rgba) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-home .ring {
  display: block;
  width: 100%;
  max-width: 190px;
  height: auto;
  margin: 0 auto;
}

.page-home .ring__track {
  fill: none;
  stroke: var(--cyan-800);
  stroke-width: 7;
}

.page-home .ring__value {
  fill: none;
  stroke: var(--cyan-400);
  stroke-width: 7;
  stroke-linecap: butt;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
  stroke-dasharray: 189 327;
  animation: home-ring-in 600ms ease-out both;
}

@keyframes home-ring-in {
  from { stroke-dashoffset: 189; }
  to { stroke-dashoffset: 0; }
}

.page-home .ring-figure__cap {
  margin: 12px 0 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone-500);
}

.page-home .power-frame,
.page-home .sub-frame {
  border: var(--hairline);
}

/* ---------- 横向带 ---------- */
.page-home .index-band {
  position: relative;
  background: var(--ink-850);
  border-top: var(--hairline);
  border-bottom: var(--hairline);
}

.page-home .index-band--filter {
  border-left: 3px solid var(--cyan-400);
}

.page-home .index-band .band__inner {
  padding: 22px 18px 24px;
}

.page-home .band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--clay-600);
}

.page-home .index-band__intro {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-300);
}

.page-home .filter-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-home .filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: var(--hairline);
  border-left: 3px solid transparent;
  font-size: 13px;
  color: var(--stone-300);
  text-decoration: none;
}

.page-home .filter-chip:hover {
  color: var(--bone-100);
  border-color: var(--stone-500);
  border-left-color: var(--stone-500);
}

.page-home .filter-chip.is-active {
  color: var(--bone-100);
  border-left-color: var(--orange-500);
  background: rgba(255, 138, 43, .1);
}

.page-home .filter-meta {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone-500);
}

/* ---------- 最新栏目带 ---------- */
.page-home .index-band--stories {
  overflow: hidden;
  background: var(--ink-900);
}

.page-home .index-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: saturate(.8) brightness(.7);
  pointer-events: none;
}

.page-home .index-band--stories .band__inner {
  position: relative;
}

.page-home .index-band--stories .band__label {
  color: var(--cyan-400);
}

.page-home .story-rail {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  padding-bottom: 6px;
  overflow-x: auto;
}

.page-home .story-chip {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: var(--hairline);
  background: rgba(10, 27, 21, .8);
  font-size: 13px;
  color: var(--bone-100);
  text-decoration: none;
}

.page-home .story-chip:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-home .story-chip--hot {
  border-left: 3px solid var(--clay-600);
}

.page-home .index-band__foot {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone-500);
}

/* ---------- 路径索引 ---------- */
.page-home .path-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .path-index__item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-top: var(--home-line);
}

.page-home .path-index__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .path-index__num {
  flex: 0 0 46px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-400);
  padding-top: 3px;
}

.page-home .path-index__body {
  min-width: 0;
}

.page-home .path-index__title {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--bone-100);
}

.page-home .path-index__cta {
  margin: 10px 0 0;
  font-size: 14px;
}

/* ---------- 订阅步骤 ---------- */
.page-home .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .step-list__item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: var(--home-line);
}

.page-home .step-list__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .step-list__n {
  flex: 0 0 34px;
  font-size: 13px;
  color: var(--orange-500);
}

.page-home .step-list__body {
  min-width: 0;
}

.page-home .step-list__title {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--bone-100);
}

/* ---------- 底部索引行 ---------- */
.page-home .index-tail {
  border-top: var(--hairline);
  padding-top: 26px;
  padding-bottom: 52px;
}

.page-home .tail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
}

.page-home .tail-grid__cell {
  min-width: 0;
}

.page-home .tail-grid dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone-500);
}

.page-home .tail-grid dd {
  margin: 6px 0 0;
  font-size: 17px;
  color: var(--bone-100);
}

.page-home .index-tail__note {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .panel__body {
    padding: 26px 24px 30px;
  }

  .page-home .home-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 30px;
  }

  .page-home .home-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .home-split--reverse .home-split__side {
    order: 1;
  }

  .page-home .home-split--reverse .home-split__main {
    order: 2;
  }

  .page-home .home-split--even {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-home .tail-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-home .hero-index {
    padding: 56px 0 72px;
  }

  .page-home .hero-index__media {
    width: 60%;
  }

  .page-home .hero-index__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-home .index-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 40px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .page-home .index-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-home .index-band .band__inner {
    padding: 26px 24px 28px;
  }

  .page-home .index-flow {
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ring__value {
    animation: none;
  }
}
</main>