.page-home {
  --home-gap: clamp(56px, 7vw, 104px);
  --home-top: calc(var(--head-h) + var(--strip-h) + 40px);
  background: var(--void);
  color: var(--star);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home__crumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--pad) 0;
}

.page-home a {
  color: var(--cyan);
  text-decoration: none;
}

.page-home a:hover,
.page-home a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home h2 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---------- 首屏分屏 ---------- */
.page-home .hero {
  display: grid;
  gap: 36px;
  padding: 32px var(--pad) var(--home-gap);
}

.page-home .hero__lead {
  display: grid;
  align-content: start;
  gap: 18px;
}

.page-home .hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--star);
}

.page-home .hero__lede {
  margin: 0;
  max-width: 32em;
  color: var(--haze);
  font-size: 16px;
  line-height: 1.85;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-home .hero__note {
  margin: 0;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--node);
}

/* 右侧章节预览流 */
.page-home .hero__stream {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--orbit);
  border-radius: var(--radius);
  background: var(--night);
  padding: clamp(18px, 3vw, 30px);
}

.page-home .hero__field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.42;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__stream::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(42, 31, 74, 0.55), transparent 60%),
    linear-gradient(165deg, rgba(7, 11, 24, 0.5), rgba(7, 11, 24, 0.93));
}

.page-home .preview {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .preview__link {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 15px 14px 15px 16px;
  border-left: 2px solid var(--orbit);
  background: rgba(7, 11, 24, 0.35);
  transition: border-color 0.25s ease, background 0.25s ease, padding-left 0.25s ease;
}

.page-home .preview__link:hover,
.page-home .preview__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(42, 31, 74, 0.62);
  padding-left: 22px;
  text-decoration: none;
}

.page-home .preview__item:first-child .preview__link {
  border-left-color: var(--cyan);
}

.page-home .preview__num {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--node);
  padding-top: 4px;
}

.page-home .preview__item:first-child .preview__num {
  color: var(--cyan);
}

.page-home .preview__name {
  display: block;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--star);
}

.page-home .preview__desc {
  display: block;
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--haze);
}

@media (min-width: 900px) {
  .page-home .hero {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    gap: clamp(36px, 5vw, 84px);
    padding-top: 64px;
    align-items: start;
  }

  .page-home .hero__lead {
    position: sticky;
    top: var(--home-top);
    gap: 22px;
  }

  .page-home .hero__lede {
    font-size: 17px;
  }
}

/* ---------- 章节标题通用 ---------- */
.page-home .sec-head {
  display: grid;
  gap: 12px;
  max-width: 46em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .sec-head h2 {
  margin: 0;
  font-size: clamp(23px, 3.5vw, 38px);
  line-height: 1.36;
}

.page-home .sec-head__sub {
  margin: 0;
  color: var(--haze);
  font-size: 16px;
  line-height: 1.85;
  max-width: 34em;
}

.page-home .media-frame {
  border: 1px solid var(--orbit);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night);
}

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

/* ---------- 五步轨道 ---------- */
.page-home .step-track {
  background: linear-gradient(180deg, var(--night), #0A1126 70%, var(--night));
  border-top: 1px solid var(--orbit);
  border-bottom: 1px solid var(--orbit);
  padding: var(--home-gap) 0;
}

.page-home .step-track__media {
  --frame-ratio: 16 / 9;
  margin-bottom: clamp(28px, 4vw, 44px);
}

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

.page-home .step {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0 26px;
}

.page-home .step::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--orbit), rgba(46, 58, 92, 0.15));
}

.page-home .step:first-child::before {
  top: 26px;
}

.page-home .step:last-child::before {
  bottom: calc(100% - 46px);
}

.page-home .step__num {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--gold);
  background: var(--void);
  border: 1px solid var(--orbit);
}

.page-home .step:last-child .step__num {
  color: var(--cyan);
  border-color: rgba(79, 227, 208, 0.55);
}

.page-home .step__text h3 {
  margin: 10px 0 8px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--star);
}

.page-home .step__text p {
  margin: 0 0 8px;
  max-width: 34em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-home .step__hint {
  display: flex;
  gap: 8px;
  color: var(--node) !important;
  font-size: 14px !important;
}

.page-home .step__hint::before {
  content: "→";
  font-family: var(--f-mono);
  color: var(--cyan);
  flex: none;
}

@media (min-width: 820px) {
  .page-home .step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 26px;
    padding: 26px 0 30px;
  }

  .page-home .step::before {
    left: 31px;
  }

  .page-home .step__num {
    width: 62px;
    height: 62px;
    font-size: 16px;
  }

  .page-home .step:first-child::before {
    top: 32px;
  }

  .page-home .step:last-child::before {
    bottom: calc(100% - 58px);
  }

  .page-home .step__text h3 {
    margin-top: 16px;
    font-size: 21px;
  }
}

/* ---------- 九个板块 ---------- */
.page-home .boards {
  padding: var(--home-gap) 0;
  background:
    radial-gradient(70% 50% at 12% 8%, rgba(42, 31, 74, 0.5), transparent 70%),
    var(--void);
}

.page-home .board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .board {
  --accent: var(--cyan);
  position: relative;
  padding: 22px 20px 22px 24px;
  border: 1px solid var(--orbit);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(14, 23, 48, 0.92), rgba(7, 11, 24, 0.55));
}

.page-home .board:nth-child(3n + 2) {
  --accent: var(--gold);
}

.page-home .board:nth-child(3n) {
  --accent: var(--node);
}

.page-home .board__num {
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-home .board__name {
  margin: 8px 0 8px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--star);
}

.page-home .board__desc {
  margin: 0 0 12px;
  color: var(--haze);
  font-size: 15px;
  line-height: 1.8;
}

.page-home .board__nodes {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--node);
  border-top: 1px solid var(--orbit);
  padding-top: 10px;
}

.page-home .boards__more {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

@media (min-width: 760px) {
  .page-home .board-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 36px;
  }

  .page-home .board-list > li:nth-child(even) {
    margin-top: 56px;
  }
}

/* ---------- 版本对照 ---------- */
.page-home .versions {
  padding: var(--home-gap) 0;
  background: linear-gradient(180deg, var(--void), #171233 72%, var(--void));
  border-top: 1px solid var(--orbit);
}

.page-home .versions__media {
  --frame-ratio: 3 / 2;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .compare {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-home .compare__col {
  padding: 24px 22px;
  border: 1px solid var(--orbit);
  border-radius: var(--radius);
  background: rgba(14, 23, 48, 0.82);
}

.page-home .compare__col--main {
  border-color: rgba(79, 227, 208, 0.45);
  background: linear-gradient(165deg, #14224A, #0E1730 70%);
}

.page-home .compare__ver {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 30px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-home .compare__status {
  margin: 4px 0 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--node);
}

.page-home .compare__rows {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-home .compare__row {
  padding: 10px 12px;
  border-left: 2px solid var(--orbit);
  background: rgba(7, 11, 24, 0.35);
}

.page-home .compare__row--diff {
  border-left-color: var(--gold);
  background: rgba(242, 193, 78, 0.07);
}

.page-home .compare__row dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--node);
}

.page-home .compare__row dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--star);
}

.page-home .versions__note {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--haze);
}

@media (min-width: 840px) {
  .page-home .compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }

  .page-home .compare__col--main {
    transform: translateY(-18px);
  }
}

/* ---------- 换设备 ---------- */
.page-home .device {
  padding: var(--home-gap) 0;
  background: var(--void);
}

.page-home .device__grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-home .device__text h2 {
  margin: 14px 0 16px;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.36;
}

.page-home .device__text p {
  margin: 0 0 14px;
  max-width: 32em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-home .device__tip {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(42, 31, 74, 0.45);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-home .device__tip p {
  margin: 0;
  color: var(--star);
  font-size: 14.5px;
}

.page-home .device__more {
  margin: 0;
  font-size: 14.5px;
}

.page-home .device__media {
  --frame-ratio: 4 / 3;
}

@media (min-width: 880px) {
  .page-home .device__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 会员中心 ---------- */
.page-home .member {
  padding: var(--home-gap) 0;
  background:
    radial-gradient(60% 60% at 88% 20%, rgba(42, 31, 74, 0.6), transparent 72%),
    var(--night);
  border-top: 1px solid var(--orbit);
}

.page-home .member__grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-home .member__text p {
  margin: 0 0 16px;
  max-width: 32em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
}

.page-home .member__link {
  margin: 0 !important;
  font-size: 14.5px;
}

.page-home .member__panel {
  padding: 24px 22px;
  border: 1px solid rgba(79, 227, 208, 0.28);
}

.page-home .check-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .check-list li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--star);
}

.page-home .check-list li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--cyan);
  border-radius: 3px;
  background: linear-gradient(140deg, rgba(79, 227, 208, 0.32), rgba(79, 227, 208, 0.04));
}

@media (min-width: 880px) {
  .page-home .member__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 收尾 ---------- */
.page-home .outro {
  padding: var(--home-gap) 0;
  background:
    conic-gradient(from 210deg at 78% 30%, rgba(42, 31, 74, 0.55), transparent 45%),
    linear-gradient(180deg, var(--void), #0B1024);
  border-top: 1px solid var(--orbit);
}

.page-home .outro__inner {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.page-home .outro h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.34;
}

.page-home .outro p {
  margin: 0;
  max-width: 36em;
  color: var(--haze);
  font-size: 15.5px;
  line-height: 1.85;
}

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

.page-home .outro__meta {
  font-size: 13.5px !important;
  color: var(--node) !important;
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>