.page-home {
  --home-card-bg: rgba(16, 36, 58, .58);
  --home-glow: 0 20px 46px -34px rgba(47, 224, 200, .55);
  padding-bottom: 64px;
}

/* ---------- 面包屑 ---------- */
.page-home .breadcrumb {
  padding-top: 18px;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-top: 14px;
}

.page-home .hero-grid {
  display: grid;
  gap: 14px;
}

.page-home .hero-index {
  background: var(--blue-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 4px;
  box-shadow: 0 24px 48px -40px rgba(0, 0, 0, .95);
}

.page-home .index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-home .index-head .section-index {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  margin: 0;
}

.page-home .index-title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-home .status-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  white-space: nowrap;
}

.page-home .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(123, 227, 143, .55);
  animation: home-pulse 2.4s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(123, 227, 143, .55); }
  50% { box-shadow: 0 0 0 8px rgba(123, 227, 143, 0); }
}

.page-home .hero-index .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 8px 0;
  border: 0;
  background: none;
  color: var(--text-dim);
  font-size: 12.5px;
  cursor: pointer;
  text-align: left;
}

.page-home .hero-index .accordion-trigger .mono {
  font-size: 12.5px;
  letter-spacing: .03em;
}

.page-home .accordion-icon {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur-slow) ease;
}

.page-home .accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(-135deg);
}

.page-home .update-item {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}

.page-home .update-item:last-child {
  border-bottom: 0;
}

.page-home .update-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-home .update-title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.page-home .update-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-home .index-foot {
  margin: 0;
  padding: 12px 0 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 专题封面 */
.page-home .hero-feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: var(--home-glow);
}

.page-home .feature-visual {
  margin: 0;
  position: relative;
}

.page-home .feature-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  background: linear-gradient(180deg, rgba(8, 23, 38, 0) 0%, rgba(8, 23, 38, .92) 100%);
  pointer-events: none;
}

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

.page-home .feature-body {
  padding: 0 16px 20px;
  margin-top: -28px;
  position: relative;
  z-index: 1;
}

.page-home .feature-kicker {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-home .feature-title {
  margin: 0 0 12px;
  font-size: clamp(26px, 6.4vw, 40px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-home .feature-lede {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-home .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.page-home .tab {
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 23, 38, .55);
  color: var(--text-dim);
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: color var(--dur), background var(--dur), border-color var(--dur);
}

.page-home .tab:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-home .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--blue-deep);
  font-weight: 600;
}

.page-home .tab:focus-visible,
.page-home .accordion-trigger:focus-visible,
.page-home .benefit-track:focus-visible,
.page-home .step a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .tabpanel {
  padding: 14px 16px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(8, 23, 38, .5);
}

.page-home .tabpanel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-home .tabpanel a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 通用区块 ---------- */
.page-home .section {
  padding-top: clamp(44px, 8vw, 76px);
}

.page-home .section-head {
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
}

.page-home .section-head .section-index {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .section-head .section-title {
  margin: 0 0 8px;
  font-size: clamp(21px, 4.4vw, 30px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-home .section-head .section-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 62ch;
}

/* ---------- S02 权益轨道 ---------- */
.page-home .track-hint {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--violet);
}

.page-home .benefit-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 78%);
  gap: 12px;
  overflow-x: auto;
  padding: 6px 4px 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-home .benefit-track::-webkit-scrollbar {
  height: 6px;
}

.page-home .benefit-track::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}

.page-home .benefit-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 16px;
  border: 1px solid rgba(242, 184, 75, .34);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(242, 184, 75, .12) 0%, rgba(16, 36, 58, .92) 46%);
  box-shadow: 0 26px 44px -40px rgba(242, 184, 75, .8);
}

.page-home .benefit-card .badge {
  align-self: flex-start;
}

.page-home .benefit-name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-home .benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .benefit-list li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text);
}

.page-home .benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-home .track-foot {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .track-foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .track-media {
  margin: 0;
}

.page-home .track-media img {
  aspect-ratio: 20 / 7;
  object-fit: cover;
}

/* ---------- S03 资料库 ---------- */
.page-home .library-grid {
  display: grid;
  gap: 16px;
}

.page-home .library-cards {
  display: grid;
  gap: 14px;
}

.page-home .lib-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 12px;
  background: var(--blue-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-home .lib-num {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .lib-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.page-home .lib-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-home .lib-card .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 23, 38, .55);
  color: var(--cyan);
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--dur), background var(--dur);
}

.page-home .lib-card .accordion-trigger:hover {
  border-color: var(--cyan);
}

.page-home .lib-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px dashed var(--line);
}

.page-home .lib-item > .mono {
  margin: 0;
  font-size: 12.5px;
  color: var(--cyan);
  padding-top: 2px;
}

.page-home .lib-item h4 {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
}

.page-home .lib-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-home .library-media {
  margin: 0;
}

.page-home .library-media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- S04 手机端体验 ---------- */
.page-home .exp-layout {
  display: grid;
  gap: 18px;
}

.page-home .exp-media {
  margin: 0;
  max-width: 260px;
}

.page-home .exp-media img {
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

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

.page-home .exp-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 2px;
  border-top: 1px solid var(--line);
}

.page-home .exp-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .exp-num {
  margin: 0;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-home .exp-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-home .exp-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- S05 收藏指引 ---------- */
.page-home .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 4px;
  border-top: 1px solid var(--line);
}

.page-home .steps .step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .step-num {
  margin: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(47, 224, 200, .1);
  border: 1px solid rgba(47, 224, 200, .42);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-home .step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-home .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-home .home-tail {
  margin-top: 22px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(16, 36, 58, .5);
  display: grid;
  gap: 10px;
}

.page-home .tail-line {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-home .tail-line a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-home .library-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .feature-body {
    padding: 0 26px 26px;
  }

  .page-home .hero-index {
    padding: 18px 18px 4px;
  }
}

@media (min-width: 900px) {
  .page-home .benefit-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding: 6px 0 14px;
  }

  .page-home .track-hint {
    display: none;
  }

  .page-home .library-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 20px;
    align-items: start;
  }

  .page-home .exp-layout {
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-home .exp-media {
    max-width: none;
  }
}

@media (min-width: 1000px) {
  .page-home .hero-grid {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-home .hero-index {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 420px) {
  .page-home .feature-body {
    padding: 0 14px 18px;
  }

  .page-home .benefit-track {
    grid-auto-columns: minmax(214px, 84%);
  }

  .page-home .exp-item {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .page-home .step {
    grid-template-columns: 42px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .status-dot {
    animation: none;
  }

  .page-home .accordion-icon,
  .page-home .tab {
    transition: none;
  }
}