.page-home {
  display: block;
  background:
    radial-gradient(900px 420px at 86% -6%, rgba(0, 229, 200, .07), transparent 62%),
    var(--ink-900);
}

.page-home section {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 84px) 0 clamp(32px, 5vw, 56px);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 520px;
  background-image:
    linear-gradient(rgba(42, 63, 85, .42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 63, 85, .42) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: clamp(140px, 19vw, 250px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 20%, rgba(0, 229, 200, .14) 64%, transparent);
  opacity: .5;
  pointer-events: none;
}

.page-home .home-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-home .hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(40px, 5vw, 88px);
  }
}

.page-home .hero-title {
  margin: 16px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(31px, 5vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 15em;
}

.page-home .hero-title em {
  font-style: normal;
  color: var(--cyan);
  box-shadow: inset 0 -0.16em 0 rgba(0, 229, 200, .18);
}

.page-home .hero-sub {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: var(--t-md);
  line-height: 1.85;
  color: var(--text-mute);
}

.page-home .hero-sub strong {
  color: var(--text);
  font-weight: 700;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 30px;
}

.page-home .hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 34px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-home .hero-index li {
  display: inline-flex;
  align-items: center;
  font-size: var(--t-xs);
  letter-spacing: .04em;
  color: var(--text-mute);
  line-height: 1.6;
}

.page-home .hero-index li::after {
  content: "";
  width: 3px;
  height: 3px;
  margin: 0 11px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .55;
}

.page-home .hero-index li:last-child::after {
  display: none;
}

.page-home .hero-media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(22, 50, 79, .88), rgba(16, 36, 61, .94));
  box-shadow: 0 30px 64px -34px rgba(0, 0, 0, .9);
}

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

.page-home .hero-media figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: var(--t-label);
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-home .hero-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-top: clamp(36px, 5vw, 68px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .hero-toc a {
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--text-mute);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-home .hero-toc a:hover,
.page-home .hero-toc a:focus-visible,
.page-home .hero-toc a[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 通用章节头 ---------- */
.page-home .home-head {
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-home .home-head h2 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-home .home-head p {
  margin: 0;
  max-width: 58ch;
  font-size: var(--t-md);
  line-height: 1.85;
  color: var(--text-mute);
}

/* ---------- 八项栏目 ---------- */
.page-home .home-channels {
  padding: clamp(56px, 8vw, 112px) 0;
  border-top: 1px solid var(--line);
}

.page-home .channels-layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(30px, 4vw, 52px);
}

@media (min-width: 1024px) {
  .page-home .channels-layout {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    align-items: start;
  }
}

.page-home .channels-map {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-home .channel-cluster + .channel-cluster {
  margin-top: clamp(30px, 4vw, 46px);
}

.page-home .cluster-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-home .cluster-mark {
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-home .cluster-head h3 {
  margin: 0;
  font-size: var(--t-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .cluster-count {
  margin-left: auto;
  font-size: var(--t-label);
  letter-spacing: .1em;
  color: var(--text-mute);
}

.page-home .channel-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .channel-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 2px 16px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  border-radius: 4px;
  background: var(--ink-800);
  transition: transform var(--ease), border-color var(--ease), background-color var(--ease), box-shadow var(--ease);
}

.page-home .channel-card:hover,
.page-home .channel-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--ink-700);
  box-shadow: 0 18px 34px -20px rgba(0, 229, 200, .5);
}

.page-home .channel-num {
  grid-row: span 2;
  font-size: var(--t-lg);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .channel-title {
  margin: 0;
  font-size: var(--t-md);
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-home .channel-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-home .channel-title a:hover,
.page-home .channel-title a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .channel-desc {
  margin: 0;
  font-size: var(--t-sm);
  line-height: 1.72;
  color: var(--text-mute);
}

/* ---------- 收藏帮助预览 ---------- */
.page-home .home-steps {
  padding: clamp(56px, 8vw, 112px) 0;
  border-top: 1px solid var(--line);
}

.page-home .steps-media {
  margin: clamp(26px, 3.5vw, 42px) 0 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-home .fav-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-home .fav-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-home .fav-node {
  position: relative;
  padding: 22px 18px 30px;
  background: var(--ink-800);
  transition: background-color var(--ease);
}

.page-home .fav-node::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  height: 1px;
  background: var(--line);
  transition: background-color var(--ease);
}

.page-home .fav-node:hover {
  background: var(--ink-700);
}

.page-home .fav-node:hover::after {
  background: var(--cyan);
}

.page-home .fav-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: var(--t-xl);
  font-weight: 300;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-home .fav-node h3 {
  margin: 0 0 6px;
  font-size: var(--t-sm);
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-home .fav-node p {
  margin: 0;
  font-size: var(--t-xs);
  line-height: 1.72;
  color: var(--text-mute);
}

.page-home .steps-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 24px 0 0;
  font-size: var(--t-sm);
  line-height: 1.8;
  color: var(--text-mute);
}

/* ---------- 会员权益 ---------- */
.page-home .home-benefits {
  padding: clamp(56px, 8vw, 112px) 0;
  border-top: 1px solid var(--line);
}

.page-home .benefit-rows {
  display: grid;
  gap: 12px;
  margin: clamp(28px, 3.5vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .benefit-row {
  display: grid;
  gap: 14px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background:
    linear-gradient(90deg, rgba(255, 179, 71, .07), rgba(16, 36, 61, .96) 34%);
  transition: border-color var(--ease), transform var(--ease);
}

.page-home .benefit-row:hover {
  border-color: rgba(0, 229, 200, .55);
  transform: translateY(-2px);
}

@media (min-width: 860px) {
  .page-home .benefit-row {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
  }
}

.page-home .benefit-id {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-home .benefit-num {
  font-size: var(--t-lg);
  font-weight: 300;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-home .benefit-id h3 {
  margin: 0;
  font-size: var(--t-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .benefit-body {
  display: grid;
  gap: 8px;
}

.page-home .benefit-desc {
  margin: 0;
  font-size: var(--t-sm);
  line-height: 1.8;
  color: var(--text-mute);
}

.page-home .benefit-diff {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: var(--t-xs);
  letter-spacing: .02em;
  color: var(--text);
}

/* ---------- 运行状态 ---------- */
.page-home .home-status {
  padding: clamp(48px, 7vw, 96px) 0 clamp(44px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.page-home .status-media {
  margin: 0 0 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-home .status-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

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

@media (min-width: 1000px) {
  .page-home .status-bar {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-home .status-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px 16px;
  background: var(--ink-800);
  border-top: 2px solid rgba(255, 179, 71, .55);
}

.page-home .status-value {
  font-size: var(--t-md);
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.4;
  color: var(--text);
  word-break: break-word;
}

.page-home .status-label {
  font-size: var(--t-label);
  letter-spacing: .08em;
  line-height: 1.6;
  color: var(--text-mute);
}

.page-home .status-foot {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--t-sm);
  line-height: 1.85;
  color: var(--text-mute);
}

.page-home .status-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, .4);
  transition: color var(--ease), border-color var(--ease);
}

.page-home .status-foot a:hover,
.page-home .status-foot a:focus-visible {
  color: var(--cyan-hover);
  border-bottom-color: var(--cyan-hover);
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 720px) {
  .page-home .hero-index {
    gap: 6px 0;
  }

  .page-home .hero-index li::after {
    margin: 0 8px;
  }

  .page-home .channel-card {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 2px 12px;
    padding: 14px 15px;
  }

  .page-home .benefit-row {
    padding: 18px 16px;
  }

  .page-home .status-cell {
    padding: 12px 14px 14px;
  }
}
</main>