.page-home{
  --home-shear: 1.2deg;
  position: relative;
  color: var(--paper-100);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 600px at 82% -10%, rgba(43,245,192,.15), transparent 62%),
    radial-gradient(900px 520px at -5% 18%, rgba(124,107,255,.14), transparent 68%),
    repeating-linear-gradient(118deg, rgba(30,42,68,.5) 0 1px, transparent 1px 72px);
  overflow-x: clip;
}

.page-home img{
  max-width: 100%;
  height: auto;
  display: block;
}

.page-home .section-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper-100);
  margin: 8px 0 0;
}

.page-home .section-label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sig-400);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.home-hero{
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 24px) 0 0;
}

.home-hero__bg{
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.home-hero__bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.75) contrast(1.15);
}

.home-hero__bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,9,18,.42) 0%, rgba(5,9,18,.86) 62%, var(--ink-900) 100%);
}

.home-hero__frame{
  position: absolute;
  inset: calc(var(--header-h) - 30px) var(--edge) clamp(10px,3vw,26px);
  border: 1px solid var(--line-500);
  pointer-events: none;
  z-index: 0;
}

.home-hero__frame::before,
.home-hero__frame::after{
  content: "";
  position: absolute;
  top: 12%;
  bottom: 12%;
  width: 7px;
  background: repeating-linear-gradient(to bottom, var(--haze-400) 0 1px, transparent 1px 16px);
  opacity: .32;
}

.home-hero__frame::before{ left: -4px; }
.home-hero__frame::after{ right: -4px; }

.home-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  padding-top: clamp(18px, 4vw, 38px);
  padding-bottom: clamp(32px, 6vw, 72px);
}

.home-hero__crumb{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--haze-400);
  margin: 0 0 12px;
}

.home-hero__crumb span{
  color: var(--sig-700);
  padding: 0 6px;
}

.home-hero__kicker{
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sig-400);
  border: 1px solid rgba(43,245,192,.35);
  background: rgba(43,245,192,.06);
}

.home-hero h1{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 12vw, 7rem);
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--paper-100);
}

.home-hero h1 em{
  font-style: normal;
  color: var(--sig-400);
}

.home-hero__lead{
  max-width: 36ch;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--haze-400);
}

.home-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.home-hero__facts{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-500);
}

.home-hero__facts dt{
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--haze-400);
  margin-bottom: 6px;
}

.home-hero__facts dd{
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--paper-100);
}

.home-hero__facts .num{ color: var(--sig-400); }

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

.score-card{
  position: relative;
  padding: 18px 18px 16px;
  background: linear-gradient(160deg, rgba(18,28,51,.96), rgba(10,17,34,.92));
  border: 1px solid var(--line-500);
  border-left: 3px solid var(--sig-400);
  box-shadow: 0 18px 40px -28px rgba(0,0,0,.9);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.score-card--b{ border-left-color: var(--act-400); }
.score-card--c{ border-left-color: var(--violet-500); }

.score-card:hover{
  border-color: var(--sig-400);
  box-shadow: 0 22px 46px -26px rgba(43,245,192,.35);
}

.score-card__num{
  margin: 12px 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.5rem, 7vw, 3.4rem);
  line-height: 1;
  color: var(--sig-400);
}

.score-card--b .score-card__num{ color: var(--act-400); }
.score-card--c .score-card__num{ color: var(--paper-100); }

.score-card__unit{
  font-family: var(--font-body);
  font-size: .34em;
  letter-spacing: .06em;
  margin-left: 8px;
  color: var(--haze-400);
}

.score-card__label{
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--haze-400);
}

/* ---------- 索引条 ---------- */
.home-ticker{
  border-top: 1px solid var(--line-500);
  border-bottom: 1px solid var(--line-500);
  background: rgba(10,17,34,.72);
}

.home-ticker__inner{
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.home-ticker__label{
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sig-400);
}

.home-ticker__list{
  display: flex;
  gap: 8px;
  flex: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.home-ticker__list a{
  display: inline-block;
  padding: 5px 11px;
  font-size: 13px;
  color: var(--haze-400);
  text-decoration: none;
  border: 1px solid var(--line-500);
  white-space: nowrap;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.home-ticker__list a:hover,
.home-ticker__list a:focus-visible{
  color: var(--ink-900);
  background: var(--sig-400);
  border-color: var(--sig-400);
}

.home-ticker__meta{
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--haze-400);
}

/* ---------- 正文骨架 ---------- */
.home-body{
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.chapter-index{
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-500);
  scrollbar-width: thin;
}

.chapter-index a{
  position: relative;
  flex: none;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--haze-400);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease);
}

.chapter-index a:hover{ color: var(--paper-100); }

.chapter-index a[aria-current="true"],
.chapter-index a[aria-current="page"]{
  color: var(--sig-400);
}

.chapter-index a[aria-current="true"]::before,
.chapter-index a[aria-current="page"]::before{
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--sig-400);
}

.flow-section{ position: relative; }

.flow-section + .flow-section{
  margin-top: clamp(44px, 7vw, 88px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px dashed var(--line-500);
}

.section-lead{
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze-400);
}

/* ---------- 更新节奏 ---------- */
.pace-grid{
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.pace-copy p{
  margin: 0 0 14px;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--haze-400);
}

.metric-list{
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.metric-list li{
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(30,42,68,.85);
}

.metric-key{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sig-400);
  padding-top: 4px;
}

.metric-text{
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-100);
}

.pace-figure{
  margin: 0;
  position: relative;
}

.pace-figure img{
  width: 100%;
  border: 1px solid var(--line-500);
  object-fit: cover;
}

.pace-figure figcaption{
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--sig-700);
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze-400);
}

/* ---------- 两步直达 ---------- */
.step-list{
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.step-card{
  padding: 22px 20px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line-500);
  border-top: 3px solid var(--sig-400);
}

.step-card:nth-child(2){ border-top-color: var(--act-400); }

.step-no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--haze-400);
}

.step-card h3{
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  line-height: 1.15;
  color: var(--paper-100);
}

.step-card p{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--haze-400);
}

.step-note{
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--violet-500);
  font-size: 14px;
  line-height: 1.7;
  color: var(--haze-400);
}

/* ---------- 收藏常用 ---------- */
.fav-grid{
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.fav-copy p{
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--haze-400);
}

.fav-points{
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.fav-points li{
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze-400);
}

.fav-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--sig-400);
  transform: rotate(45deg);
}

.fav-points strong{
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper-100);
}

.fav-phone{
  margin: 0;
  justify-self: center;
  max-width: 340px;
  width: 100%;
}

.fav-phone img{
  width: 100%;
  border: 1px solid var(--line-500);
  box-shadow: 0 30px 60px -40px rgba(0,0,0,.95);
}

.fav-phone figcaption{
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze-400);
  text-align: center;
}

/* ---------- 旧版入口 ---------- */
.legacy-grid{
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.legacy-figure{
  position: relative;
  margin: 0;
}

.legacy-figure img{
  width: 100%;
  border: 1px solid var(--line-500);
  object-fit: cover;
}

.legacy-copy p{
  margin: 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--haze-400);
}

.legacy-list{
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.legacy-list li{
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-100);
}

.legacy-list span{
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sig-400);
}

/* ---------- 版本变化 ---------- */
.version-table{
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--line-500);
}

.version-row{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line-500);
}

.version-key{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--haze-400);
}

.version-change{
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.version-old{
  font-size: 14px;
  color: var(--haze-400);
  text-decoration: line-through;
  text-decoration-color: rgba(148,165,192,.5);
}

.version-dir{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--sig-700);
}

.version-new{
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.9vw, 17px);
  color: var(--sig-400);
}

.version-note{
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--haze-400);
}

/* ---------- 底部行动区 ---------- */
.home-cta{
  margin-top: clamp(44px, 8vw, 92px);
  padding: clamp(40px, 6vw, 72px) 0 clamp(36px, 6vw, 64px);
  background: var(--cream-050);
  color: var(--ink-900);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.home-cta__inner{
  display: grid;
  gap: 26px;
}

.home-cta__label{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--sig-700);
}

.home-cta h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.4vw, 2.8rem);
  line-height: 1.04;
  color: var(--ink-900);
}

.home-cta__text p{
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-700);
}

.home-cta__actions{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.home-cta__link{
  font-size: 14px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid rgba(5,9,18,.35);
  padding-bottom: 2px;
  transition: border-color .18s var(--ease);
}

.home-cta__link:hover{ border-color: var(--act-400); }

/* ---------- 断点 ---------- */
@media (min-width: 768px){
  .pace-grid{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .step-list{
    grid-template-columns: 1fr 1fr;
  }

  .home-cta__actions{
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 900px){
  .home-hero__inner{
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(32px, 4vw, 64px);
  }

  .home-hero__cards{
    gap: 16px;
    padding-left: 10px;
  }

  .score-card--a{ transform: translateX(-16px) rotate(-.7deg); }
  .score-card--b{ transform: translateX(20px) rotate(.5deg); }
  .score-card--c{ transform: translateX(-4px) rotate(-.3deg); }

  .fav-grid{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }

  .legacy-grid{
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .home-cta__inner{
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: center;
  }
}

@media (min-width: 1024px){
  .home-body{
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .chapter-index{
    position: sticky;
    top: calc(var(--header-h) + 16px);
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-500);
  }

  .chapter-index a{
    padding: 9px 12px;
    font-size: 13px;
  }
}

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

  .score-card--a,
  .score-card--b,
  .score-card--c{
    transform: none;
  }
}
<<<END>>>