.page-home {
  --home-rule: rgba(159, 176, 199, 0.16);
  --home-rule-strong: rgba(159, 176, 199, 0.34);
  display: block;
  background: var(--navy-base);
  color: var(--snow);
}

.page-home .section {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-home .section-head {
  max-width: 62ch;
}

.page-home .section-lede {
  margin: 18px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.72;
  color: var(--fog);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(46px, 9vw, 100px) 0 clamp(44px, 8vw, 86px);
  background:
    radial-gradient(112% 88% at 88% 4%, rgba(226, 58, 58, 0.3), transparent 56%),
    radial-gradient(92% 74% at 2% 98%, rgba(47, 224, 208, 0.14), transparent 58%),
    var(--navy-base);
}

.page-home .hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.page-home .hero-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.72) contrast(1.08);
}

.page-home .hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 18, 0.62) 0%, rgba(11, 27, 51, 0.9) 58%, var(--navy-base) 100%);
}

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

.page-home .hero-title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 13vw, 148px);
  line-height: 0.9;
  letter-spacing: -0.015em;
  color: var(--snow);
  text-shadow: 0 24px 64px rgba(0, 0, 0, 0.62);
}

.page-home .hero-lede {
  max-width: 44ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.72;
  color: var(--fog);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: clamp(16px, 4vw, 34px);
  margin: clamp(34px, 6vw, 58px) 0 0;
  padding: clamp(22px, 4vw, 32px) 0 0;
  list-style: none;
  border-top: 1px solid var(--home-rule);
}

.page-home .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .hero-stat-value {
  font-family: var(--font-numeric);
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--warm-gold);
}

.page-home .hero-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--fog);
}

/* ---------- 三条内容线 ---------- */
.page-home .channels {
  background: linear-gradient(180deg, var(--navy-base) 0%, var(--navy-deep) 100%);
}

.page-home .channels-grid {
  margin-top: clamp(28px, 4.5vw, 46px);
}

.page-home .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3.4vw, 34px);
  background: linear-gradient(160deg, rgba(16, 36, 63, 0.96), rgba(11, 27, 51, 0.9));
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.page-home .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--home-rule-strong);
}

.page-home .channel-card .tag {
  align-self: flex-start;
}

.page-home .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.2;
  color: var(--snow);
}

.page-home .channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fog);
}

.page-home .channel-meta {
  margin-top: auto;
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--electric-cyan);
}

.page-home .channel-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.62;
  color: var(--fog);
}

.page-home .channel-points li {
  position: relative;
  padding-left: 20px;
}

.page-home .channel-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 3px;
  border-radius: var(--pill);
  background: var(--check-red);
}

.page-home .channel-media {
  margin-top: auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--home-rule);
}

.page-home .channel-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-home .channel-cta {
  margin-top: auto;
}

/* ---------- 升降级形势 ---------- */
.page-home .form-section {
  background: var(--navy-base);
}

.page-home .form-board {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 4.5vw, 44px);
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(205deg, rgba(226, 58, 58, 0.12), transparent 52%),
    var(--navy-deep);
  overflow: hidden;
}

.page-home .form-chart {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 220px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-lg);
  background: rgba(5, 10, 18, 0.56);
  overflow: hidden;
}

.page-home .form-chart-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
}

.page-home .form-svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
}

.page-home .form-legend {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--fog);
}

.page-home .form-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-home .legend-swatch {
  width: 20px;
  height: 3px;
  border-radius: var(--pill);
}

.page-home .legend-up {
  background: var(--electric-cyan);
}

.page-home .legend-down {
  background: var(--check-red);
}

.page-home .form-stages {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .form-stages li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-md);
  background: rgba(5, 10, 18, 0.42);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-home .form-stages li:hover {
  border-color: rgba(47, 224, 208, 0.42);
  background: rgba(5, 10, 18, 0.6);
}

.page-home .stage-index {
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--electric-cyan);
  padding-top: 3px;
}

.page-home .form-stages h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .form-stages p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog);
}

/* ---------- 持续运营的底气 ---------- */
.page-home .backing {
  background: linear-gradient(180deg, var(--navy-base) 0%, var(--navy-deep) 100%);
}

.page-home .backing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

.page-home .backing-copy {
  max-width: 60ch;
}

.page-home .backing-lede {
  margin: 20px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.74;
  color: var(--snow);
}

.page-home .backing-text {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--fog);
}

.page-home .backing-cta {
  margin: 28px 0 0;
}

.page-home .backing-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .backing-stats .stat {
  padding: 20px 18px;
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(16, 36, 63, 0.94), rgba(11, 27, 51, 0.88));
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-home .backing-stats .stat:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 185, 66, 0.42);
}

.page-home .backing-stats .stat-value {
  display: block;
  font-family: var(--font-numeric);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--warm-gold);
}

.page-home .backing-stats .stat-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fog);
}

/* ---------- 新用户入口 ---------- */
.page-home .start {
  background: var(--navy-base);
}

.page-home .start-panel {
  padding: clamp(26px, 4.5vw, 54px);
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(118% 100% at 100% 0%, rgba(47, 224, 208, 0.14), transparent 58%),
    linear-gradient(180deg, var(--navy-deep), var(--navy-abyss));
}

.page-home .start-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-home .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 56px 24px 22px;
  border: 1px solid var(--home-rule);
  border-radius: var(--radius-lg);
  background: rgba(11, 27, 51, 0.72);
  color: inherit;
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(47, 224, 208, 0.5);
  background: rgba(16, 36, 63, 0.9);
}

.page-home .path-card:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
}

.page-home .path-index {
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--warm-gold);
}

.page-home .path-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
}

.page-home .path-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog);
}

.page-home .path-arrow {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  line-height: 1;
  color: var(--electric-cyan);
  transition: transform 0.3s ease;
}

.page-home .path-card:hover .path-arrow,
.page-home .path-card:focus-visible .path-arrow {
  transform: translateY(-50%) translateX(5px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-home .start-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .form-board {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .backing-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (min-width: 1080px) {
  .page-home .channel-card {
    padding: 36px;
  }

  .page-home .hero-stats {
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .channel-card,
  .page-home .path-card,
  .page-home .backing-stats .stat,
  .page-home .form-stages li,
  .page-home .path-arrow {
    transition: none;
  }

  .page-home .channel-card:hover,
  .page-home .path-card:hover,
  .page-home .backing-stats .stat:hover {
    transform: none;
  }

  .page-home .path-card:hover .path-arrow,
  .page-home .path-card:focus-visible .path-arrow {
    transform: translateY(-50%);
  }
}
<<<END>>>