.page-home {
  --ph-glass: rgba(27, 49, 82, .52);
  --ph-glass-strong: rgba(27, 49, 82, .82);
  --ph-hair: rgba(0, 229, 199, .24);
  background: var(--ink);
}

/* ================= 首屏框景 ================= */
.page-home .hero-band {
  padding-block: clamp(24px, 5vw, 56px) 0;
}

.page-home .hero-shell {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 48px);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 59, 92, .16), transparent 58%),
    radial-gradient(110% 130% at 0% 100%, rgba(0, 229, 199, .14), transparent 62%),
    linear-gradient(180deg, rgba(15, 31, 58, .94), rgba(8, 18, 38, .99));
}

.page-home .hero-shell::before,
.page-home .hero-shell::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 2px;
  background: var(--signal);
  opacity: .7;
  pointer-events: none;
}

.page-home .hero-shell::before { top: 0; left: 0; }
.page-home .hero-shell::after { bottom: 0; right: 0; background: var(--pulse); }

.page-home .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-home .hero-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(14.5px, 1.15vw, 17px);
  line-height: 1.9;
  color: var(--fog);
  opacity: .86;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--midnight);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .94;
}

.page-home .hero-visual::before,
.page-home .hero-visual::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--signal);
  border-style: solid;
  pointer-events: none;
  z-index: 2;
}

.page-home .hero-visual::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.page-home .hero-visual::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.page-home .hero-wave {
  display: block;
  width: 100%;
  height: clamp(36px, 6vw, 64px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-home .hero-wave path {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 300 1500;
  animation: ph-sweep 6s linear infinite;
}

@keyframes ph-sweep {
  from { stroke-dashoffset: 1800; }
  to { stroke-dashoffset: 0; }
}

.page-home .hero-readout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
  margin-top: clamp(18px, 2.6vw, 28px);
  padding-top: clamp(16px, 2.4vw, 26px);
  border-top: 1px solid var(--line-strong);
}

.page-home .readout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-home .readout-value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fog);
}

.page-home .readout-value em {
  font-style: normal;
  font-size: .5em;
  margin-left: 2px;
  color: var(--signal);
}

/* ================= 内容壳层 + 章节目录 ================= */
.page-home .content-shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: clamp(38px, 7vw, 88px) clamp(40px, 7vw, 96px);
  display: grid;
  gap: clamp(26px, 4vw, 60px);
}

.page-home .toc {
  align-self: start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-home .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-home .toc-list {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-home .toc-item { flex: 0 0 auto; }

.page-home .toc-link {
  display: block;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease;
}

.page-home .toc-link:hover { color: var(--fog); }

.page-home .toc-link[aria-current="true"] {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ================= 章节通用 ================= */
.page-home .ph-section {
  padding-block: clamp(32px, 5vw, 64px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-home .ph-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-home .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-home .sec-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(14px, 1.08vw, 16px);
  line-height: 1.88;
  color: var(--steel);
}

.page-home .sub-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.35;
  color: var(--fog);
}

.page-home .split-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--steel);
}

.page-home .note-line {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--signal);
  font-size: 14px;
  line-height: 1.85;
  color: var(--fog);
}

.page-home .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--signal);
}

/* ================= 更新时间轴 ================= */
.page-home .timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .tl-item {
  position: relative;
  padding: 18px 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--glass);
  background: linear-gradient(180deg, rgba(27, 49, 82, .42), rgba(15, 31, 58, .22));
  backdrop-filter: blur(8px);
}

.page-home .tl-item--hot {
  border-left-color: var(--pulse);
  background: linear-gradient(180deg, rgba(255, 59, 92, .14), rgba(15, 31, 58, .3));
}

.page-home .tl-mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-home .tl-item--hot .tl-mark { color: var(--pulse); }

.page-home .tl-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 800;
  color: var(--white);
}

.page-home .tl-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--steel);
}

/* ================= 分类卡片 ================= */
.page-home .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: var(--ph-glass);
  backdrop-filter: blur(8px);
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.page-home .cat-card:hover {
  border-color: var(--ph-hair);
  background: var(--ph-glass-strong);
  transform: translateY(-3px);
}

.page-home .cat-tick {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 13px;
  height: 13px;
  border-top: 1px solid var(--signal);
  border-right: 1px solid var(--signal);
  opacity: .8;
}

.page-home .cat-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--pulse);
}

.page-home .cat-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 1.75vw, 23px);
  line-height: 1.3;
  color: var(--white);
}

.page-home .cat-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--steel);
}

.page-home .cat-more {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--signal);
  text-decoration: none;
  transition: color .2s ease;
}

.page-home .cat-more:hover { color: var(--white); }

/* ================= 图文分栏 ================= */
.page-home .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.2vw, 46px);
  align-items: center;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-home .split--top { align-items: start; }

.page-home .split-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .dot-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .dot-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.84;
  color: var(--fog);
  opacity: .88;
}

.page-home .dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-home .shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--midnight);
}

.page-home .shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .shot--wide img { aspect-ratio: 14 / 9; }

.page-home .shot figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

/* ================= 指标行 ================= */
.page-home .metric-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 3.6vw, 42px);
}

.page-home .metric {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--pulse);
  background: linear-gradient(180deg, rgba(27, 49, 82, .5), rgba(15, 31, 58, .26));
}

.page-home .metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--white);
}

.page-home .metric-num span {
  font-size: .46em;
  margin-left: 3px;
  color: var(--signal);
}

.page-home .metric-label {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ================= 心跳同频块 ================= */
.page-home .beat-block {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4.4vw, 56px);
  border: 1px solid var(--ph-hair);
  background:
    linear-gradient(115deg, rgba(0, 229, 199, .12), transparent 55%),
    linear-gradient(295deg, rgba(255, 59, 92, .14), transparent 55%),
    var(--midnight);
}

.page-home .beat-line {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 56px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-home .beat-line em {
  font-style: normal;
  color: var(--signal);
}

.page-home .beat-copy {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.92;
  color: var(--steel);
}

.page-home .beat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

/* ================= 反馈统计带 ================= */
.page-home .stat-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(24px, 3.6vw, 42px);
  border: 1px solid var(--line);
  background: var(--line);
}

.page-home .strip-item {
  padding: 20px 18px;
  background: rgba(15, 31, 58, .78);
}

.page-home .strip-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--amber);
}

.page-home .strip-num .unit {
  font-size: .46em;
  margin-left: 3px;
  color: var(--steel);
}

.page-home .strip-label {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ================= 事实网格 ================= */
.page-home .fact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-home .fact {
  padding: 20px 18px;
  background: rgba(8, 18, 38, .9);
}

.page-home .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--signal);
}

.page-home .fact-num span {
  font-size: .5em;
  margin-left: 3px;
  color: var(--steel);
}

.page-home .fact-text {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-home .award-line {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 162, 74, .08);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-home .next-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

/* ================= 响应式 ================= */
@media (min-width: 601px) {
  .page-home .metric-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .stat-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 721px) {
  .page-home .hero-readout { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 861px) {
  .page-home .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .page-home .split--flip .split-visual { order: -1; }
  .page-home .timeline { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-home .fact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 961px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(32px, 5vw, 74px);
  }

  .page-home .content-shell {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(34px, 4.6vw, 72px);
    align-items: start;
  }

  .page-home .toc {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    border-bottom: 0;
    padding-bottom: 0;
    border-right: 1px solid var(--line);
    padding-right: 18px;
  }

  .page-home .toc-list {
    display: block;
    overflow: visible;
  }

  .page-home .toc-item { margin-bottom: 2px; }

  .page-home .toc-link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding: 8px 0 8px 12px;
    white-space: normal;
  }

  .page-home .toc-link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--signal);
  }

  .page-home .cat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .cat-card:nth-child(1) { grid-column: span 3; }
  .page-home .cat-card:nth-child(2) { grid-column: span 3; }
  .page-home .cat-card:nth-child(3) { grid-column: span 2; }
  .page-home .cat-card:nth-child(4) { grid-column: span 2; }
  .page-home .cat-card:nth-child(5) { grid-column: span 2; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-wave path { animation: none; stroke-dasharray: none; }
  .page-home .cat-card { transition: none; }
}
<<<END>>>