.page-home {
  --home-gap: 24px;
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(42, 74, 64, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 64, 0.3) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

.page-home p {
  margin: 0;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home figure {
  margin: 0;
}

.page-home .frame {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--ink-3);
  background: var(--ink-2);
}

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

/* ---------- 章节头 ---------- */

.page-home .block-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.page-home .sec-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: var(--gold);
  padding: 3px 9px;
  margin-bottom: 14px;
  transition: background 0.25s ease, color 0.25s ease;
}

.page-home .block-head h2 {
  font-size: clamp(26px, 6.4vw, 42px);
  color: var(--paper);
}

.page-home .block-lede {
  margin-top: 14px;
  font-size: 15px;
  color: var(--muted);
  max-width: 56ch;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  padding: 26px 0 56px;
  border-bottom: 2px solid var(--ink-3);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  top: -190px;
  left: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 193, 78, 0.22), rgba(242, 193, 78, 0) 68%);
  pointer-events: none;
  animation: homeGlow 16s ease-in-out infinite alternate;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  top: -12%;
  right: -14%;
  width: 48%;
  height: 124%;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.16), rgba(230, 57, 70, 0) 62%);
  transform: skewX(-13deg);
  pointer-events: none;
}

@keyframes homeGlow {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(80px, 60px, 0) scale(1.14); }
}

.page-home .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-home .hero-flag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-2);
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  padding: 7px 12px;
}

.page-home .hero-flag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.65);
  animation: homePulse 2.6s ease-out infinite;
}

@keyframes homePulse {
  0% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(230, 57, 70, 0); }
  100% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0); }
}

.page-home .hero-title {
  margin-top: 20px;
  font-size: clamp(32px, 8.6vw, 52px);
  color: var(--paper);
}

.page-home .hero-lede {
  margin-top: 18px;
  max-width: 54ch;
  font-size: 16px;
  color: rgba(244, 247, 245, 0.82);
}

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

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--ink-3);
  border: 1px solid var(--ink-3);
}

.page-home .hero-stats li {
  background: var(--ink-2);
  padding: 14px 12px;
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.3;
  color: var(--gold);
}

.page-home .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.page-home .hero-media {
  aspect-ratio: 4 / 5;
  border-color: var(--ink-3);
}

.page-home .hero-stack {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 14px;
  margin-top: -46px;
}

.page-home .stack-card {
  background: var(--ink-2);
  border: 2px solid var(--ink-3);
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
}

.page-home .stack-card--note {
  border-left-color: var(--red);
}

.page-home .stack-kicker {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-home .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.page-home .dot--red {
  background: var(--red);
}

.page-home .stack-version {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-home .stack-title {
  margin-top: 8px;
  font-size: 18px;
  color: var(--paper);
}

.page-home .stack-desc {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(244, 247, 245, 0.78);
}

.page-home .stack-more {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

.page-home .stack-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 227, 163, 0.5);
  padding-bottom: 2px;
}

.page-home .stack-link:hover,
.page-home .stack-link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 四类入口 ---------- */

.page-home .entries {
  padding: 56px 0;
  border-bottom: 2px solid var(--ink-3);
}

.page-home .entries-figure {
  aspect-ratio: 21 / 9;
  margin-bottom: 26px;
  border-color: var(--ink-3);
  box-shadow: var(--shadow-sm);
}

.page-home .entry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .entry {
  position: relative;
  background: var(--ink-2);
  border: 2px solid var(--ink-3);
  padding: 20px 18px 18px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-home .entry:hover,
.page-home .entry:focus-within {
  transform: translate(-3px, -3px);
  border-color: var(--gold);
}

.page-home .entry-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--red);
}

.page-home .entry-title {
  margin-top: 10px;
  font-size: 20px;
  color: var(--paper);
}

.page-home .entry-text {
  margin-top: 10px;
  font-size: 14px;
  color: rgba(244, 247, 245, 0.78);
}

.page-home .entry-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-home .entry-link:hover,
.page-home .entry-link:focus-visible {
  color: var(--gold-2);
}

/* ---------- 横向叙事带 ---------- */

.page-home .reel-section {
  padding: 56px 0 44px;
  border-bottom: 2px solid var(--ink-3);
  background:
    linear-gradient(180deg, rgba(18, 53, 44, 0.55), rgba(11, 31, 26, 0.1));
}

.page-home .reel {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 20px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .reel-card {
  flex: 0 0 84%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--ink-2);
  border: 2px solid var(--ink-3);
  border-top: 4px solid var(--gold);
  padding: 18px 16px;
  box-shadow: var(--shadow-sm);
}

.page-home .reel-card--lead {
  border-top-color: var(--red);
}

.page-home .reel-media {
  aspect-ratio: 4 / 3;
  margin-bottom: 16px;
  border-width: 1px;
}

.page-home .reel-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-2);
}

.page-home .reel-title {
  margin-top: 8px;
  font-size: 20px;
  color: var(--paper);
}

.page-home .reel-text {
  margin-top: 10px;
  font-size: 14px;
  color: rgba(244, 247, 245, 0.78);
}

.page-home .reel-link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-home .reel-link:hover,
.page-home .reel-link:focus-visible {
  border-bottom-color: var(--gold);
}

/* ---------- 运营数据 ---------- */

.page-home .ops {
  position: relative;
  padding: 56px 0;
  background: var(--paper);
  color: var(--ink);
  border-bottom: 2px solid var(--ink-3);
}

.page-home .block-head--dark h2 {
  color: var(--ink);
}

.page-home .block-head--dark .block-lede {
  color: #3F5A52;
}

.page-home .sec-idx--dark {
  background: var(--ink);
  color: var(--gold);
}

.page-home .ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: #C9D6D0;
  border: 1px solid #C9D6D0;
}

.page-home .ops-stat {
  background: var(--paper);
  padding: 20px 18px;
}

.page-home .ops-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-home .ops-unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: #3F5A52;
}

.page-home .ops-note {
  margin-top: 24px;
  font-size: 14px;
  color: #3F5A52;
  border-left: 4px solid var(--red);
  padding-left: 14px;
  max-width: 72ch;
}

/* ---------- 订阅引导 ---------- */

.page-home .start {
  padding: 56px 0 64px;
  background:
    radial-gradient(circle at 84% 12%, rgba(242, 193, 78, 0.16), rgba(242, 193, 78, 0) 58%),
    var(--ink);
}

.page-home .start-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-home .start-copy h2 {
  font-size: clamp(26px, 6.4vw, 40px);
  color: var(--paper);
}

.page-home .start-lede {
  margin-top: 14px;
  font-size: 15px;
  color: var(--muted);
  max-width: 52ch;
}

.page-home .steps {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-home .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: var(--ink-2);
  border: 2px solid var(--ink-3);
  border-left: 4px solid var(--gold);
  padding: 16px;
}

.page-home .step-no {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
  background: rgba(242, 193, 78, 0.12);
  border: 1px solid rgba(242, 193, 78, 0.35);
  padding: 4px 0;
  text-align: center;
}

.page-home .step-title {
  font-size: 17px;
  color: var(--paper);
}

.page-home .step-text {
  margin-top: 6px;
  font-size: 14px;
  color: rgba(244, 247, 245, 0.78);
}

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

.page-home .start-figure {
  aspect-ratio: 10 / 7;
  border-color: var(--ink-3);
  box-shadow: var(--shadow-lg);
}

/* ---------- 章节激活态 ---------- */

.page-home [data-chapter][data-active] .sec-idx {
  background: var(--red);
  color: var(--paper);
}

.page-home [data-chapter][data-active] .sec-idx--dark {
  background: var(--red);
  color: var(--paper);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-home .reel-card {
    flex: 0 0 340px;
  }
}

@media (min-width: 900px) {
  .page-home {
    --home-gap: 40px;
  }

  .page-home .hero {
    padding: 48px 0 80px;
  }

  .page-home .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: start;
  }

  .page-home .hero-title {
    font-size: clamp(52px, 5.2vw, 84px);
  }

  .page-home .hero-right {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .hero-media {
    grid-area: 1 / 1;
    aspect-ratio: 4 / 5;
    clip-path: polygon(0 0, 100% 0, 100% 76%, 54% 100%, 0 100%);
  }

  .page-home .hero-stack {
    grid-area: 1 / 1;
    align-self: end;
    margin: 0 26px 0 -34px;
  }

  .page-home .entries {
    padding: 72px 0;
  }

  .page-home .entries-figure {
    aspect-ratio: 21 / 9;
  }

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

  .page-home .reel-section {
    padding: 72px 0 60px;
  }

  .page-home .reel-card {
    flex: 0 0 370px;
  }

  .page-home .reel-card--lead {
    flex: 0 0 420px;
  }

  .page-home .ops {
    padding: 72px 0;
  }

  .page-home .ops-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .start {
    padding: 80px 0 88px;
  }

  .page-home .start-grid {
    grid-template-columns: 8fr 4fr;
    gap: 44px;
    align-items: center;
  }

  .page-home .start-figure {
    align-self: stretch;
    aspect-ratio: auto;
    min-height: 320px;
  }
}

@media (min-width: 1200px) {
  .page-home .reel-card {
    flex: 0 0 400px;
  }

  .page-home .reel-card--lead {
    flex: 0 0 480px;
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-home .stack-more {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.3s ease, margin-top 0.3s ease;
  }

  .page-home .stack-card--note:hover .stack-more,
  .page-home .stack-card--note:focus-within .stack-more {
    max-height: 140px;
    margin-top: 8px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero::before,
  .page-home .hero-flag-dot {
    animation: none;
  }

  .page-home .entry,
  .page-home .stack-more {
    transition: none;
  }
}