.page-home{
  --home-gutter: clamp(16px, 4vw, 40px);
  overflow-x: clip;
  background: var(--ink);
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-home .hero{
  position: relative;
  padding-top: calc(var(--header-h) + 28px);
}
.page-home .hero__bg{
  position: absolute;
  inset: 0 0 auto 0;
  height: clamp(440px, 82vw, 780px);
  background:
    linear-gradient(155deg, rgba(11,43,51,.94) 0%, rgba(11,43,51,.42) 40%, rgba(7,20,31,0) 68%),
    radial-gradient(88% 70% at 88% 2%, rgba(56,232,216,.18), transparent 62%),
    repeating-linear-gradient(90deg, rgba(44,74,85,.34) 0 1px, transparent 1px 72px);
  clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
  pointer-events: none;
}
.page-home .hero__inner{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  padding-bottom: clamp(30px, 5vw, 60px);
}
.page-home .hero__eyebrow{
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-home .hero__title{
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(40px, 8.6vw, 88px);
  line-height: .99;
  letter-spacing: -.02em;
  color: var(--ice);
}
.page-home .hero__title span{
  color: var(--cyan);
}
.page-home .hero__lede{
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--steel);
}

/* 快捷路径 */
.page-home .hero__quick{
  order: 2;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-home .hero__quick-title{
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}
.page-home .hero__quick-list{
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}
.page-home .hero__quick-list a{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  transition: color 160ms ease, padding-left 160ms ease;
}
.page-home .hero__quick-list a:hover,
.page-home .hero__quick-list a:focus-visible{
  color: var(--cyan);
  padding-left: 6px;
}
.page-home .hero__quick-num{
  font-size: 11px;
  color: var(--steel);
}

/* 第三栏版本号卡 */
.page-home .ver-card{
  order: 1;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(165deg, rgba(23,21,46,.96), rgba(7,20,31,.99));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  box-shadow: 0 26px 64px -34px rgba(0,0,0,.95);
}
.page-home .ver-card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--magenta) 58%, transparent);
}
.page-home .ver-card__bg{
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: saturate(.75);
}
.page-home .ver-card__label{
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--steel);
}
.page-home .ver-card__dot{
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--magenta);
  box-shadow: 0 0 0 4px rgba(255,79,154,.16);
}
.page-home .ver-card__title{
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ice);
}
.page-home .ver-card__num{
  margin: 6px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6.4vw, 44px);
  font-weight: 700;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  line-height: 1.05;
}
.page-home .ver-card__meta{
  margin: 0;
  font-size: 12px;
  color: var(--steel);
  letter-spacing: .02em;
}
.page-home .ver-card__log{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .ver-card__log li{
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}
.page-home .ver-card__log .badge{
  flex: 0 0 auto;
  margin-top: 1px;
}
.page-home .ver-card__acts{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.page-home .ver-card__hint{
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

/* 首屏过渡条 */
.page-home .hero__strip{
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-home .hero__strip img{
  display: block;
  width: 100%;
  height: clamp(120px, 20vw, 190px);
  object-fit: cover;
  opacity: .46;
}
.page-home .hero__strip-note{
  position: absolute;
  inset: auto 0 0 0;
  margin: 0;
  padding: 38px var(--home-gutter) 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ice);
  background: linear-gradient(0deg, rgba(7,20,31,.96) 30%, rgba(7,20,31,0));
}

/* 收藏提示 */
.page-home .save-hint{
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: 1px solid var(--line);
  background: rgba(11,43,51,.45);
}
.page-home .save-hint__summary{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}
.page-home .save-hint__summary::-webkit-details-marker{
  display: none;
}
.page-home .save-hint__summary .mono{
  font-size: 10px;
  letter-spacing: .14em;
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--steel);
}
.page-home .save-hint__body{
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 章节标记补充 ---------- */
.page-home .section-tag{
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-home .section-tag__num{
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--amber);
}
.page-home .section-tag__label{
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}
.page-home .section-tag__line{
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

/* ---------- 栏目入口 ---------- */
.page-home .hub{
  padding: clamp(52px, 8vw, 100px) 0 clamp(36px, 5vw, 64px);
}
.page-home .hub__head{
  margin: clamp(16px, 2vw, 24px) 0 clamp(24px, 4vw, 44px);
}
.page-home .hub__title{
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 4.8vw, 52px);
  line-height: 1.06;
  letter-spacing: -.01em;
}
.page-home .hub__lede{
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--steel);
}
.page-home .hub__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-home .hub-card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: clamp(18px, 2.6vw, 28px);
  background: linear-gradient(160deg, rgba(11,43,51,.7), rgba(7,20,31,.94));
  border: 1px solid var(--line);
  color: var(--ice);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}
.page-home .hub-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
  transition: background 180ms ease;
}
.page-home .hub-card:hover,
.page-home .hub-card:focus-visible{
  border-color: rgba(56,232,216,.55);
  transform: translateY(-3px);
}
.page-home .hub-card:hover::before,
.page-home .hub-card:focus-visible::before{
  background: var(--amber);
}
.page-home .hub-card__idx{
  margin: 0;
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--steel);
}
.page-home .hub-card__title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.25;
}
.page-home .hub-card__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
.page-home .hub-card__more{
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .02em;
}
.page-home .hub-card__more::after{
  content: " →";
}

/* ---------- 适配速览 ---------- */
.page-home .fit-sec{
  padding: clamp(44px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11,43,51,.6), rgba(7,20,31,0) 62%);
}
.page-home .fit-sec__inner{
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-home .fit-sec__title{
  margin: 16px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.01em;
}
.page-home .fit-sec__lede{
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}
.page-home .fit__input{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.page-home .fit__bar{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.page-home .fit__tab{
  padding: 8px 14px;
  font-size: 13px;
  color: var(--steel);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.page-home #fit-browser:checked ~ .fit__bar label[for="fit-browser"],
.page-home #fit-os:checked ~ .fit__bar label[for="fit-os"],
.page-home #fit-res:checked ~ .fit__bar label[for="fit-res"]{
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 600;
}
.page-home #fit-browser:focus-visible ~ .fit__bar label[for="fit-browser"],
.page-home #fit-os:focus-visible ~ .fit__bar label[for="fit-os"],
.page-home #fit-res:focus-visible ~ .fit__bar label[for="fit-res"]{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-home .fit__panels{
  margin-top: 16px;
}
.page-home .fit__panel{
  display: none;
}
.page-home #fit-browser:checked ~ .fit__panels #fit-panel-browser,
.page-home #fit-os:checked ~ .fit__panels #fit-panel-os,
.page-home #fit-res:checked ~ .fit__panels #fit-panel-res{
  display: block;
}
.page-home .fit__row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.page-home .fit__name{
  font-size: 13px;
  letter-spacing: .01em;
  color: var(--ice);
}
.page-home .fit__state{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-size: 12px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.page-home .fit__state::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.page-home .fit__state--rec{ color: var(--cyan); }
.page-home .fit__state--ok{ color: var(--amber); }
.page-home .fit__state--lim{ color: var(--magenta); }
.page-home .fit__note{
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}
.page-home .fit-sec__figure{
  margin-top: clamp(28px, 4vw, 48px);
}
.page-home figure{
  margin: 0;
}
.page-home figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 三步领取 ---------- */
.page-home .steps{
  padding: clamp(44px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
}
.page-home .steps__inner{
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}
.page-home .steps__title{
  margin: 16px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.01em;
}
.page-home .steps__lede{
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}
.page-home .steps__list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .steps__item{
  position: relative;
  padding: 20px 0 20px 56px;
  border-top: 1px solid var(--line);
}
.page-home .steps__num{
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 19px;
  font-weight: 700;
  color: var(--amber);
}
.page-home .steps__item-title{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.3;
}
.page-home .steps__item-text{
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
.page-home .steps__link{
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56,232,216,.4);
}
.page-home .steps__link:hover,
.page-home .steps__link:focus-visible{
  border-bottom-color: var(--cyan);
}

/* ---------- 更新与运营 ---------- */
.page-home .watch{
  padding: clamp(44px, 7vw, 92px) 0 clamp(56px, 8vw, 108px);
  border-top: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(23,21,46,.8), rgba(7,20,31,.96));
}
.page-home .watch__inner{
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}
.page-home .watch__title{
  margin: 16px 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.08;
  letter-spacing: -.01em;
}
.page-home .watch__list{
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}
.page-home .watch__item{
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.page-home .watch__time{
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--magenta);
}
.page-home .watch__item-title{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.35;
}
.page-home .watch__item-text{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
.page-home .watch__stats{
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: rgba(7,20,31,.72);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-home .watch__stats-title{
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}
.page-home .stat{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.page-home .stat:last-of-type{
  border-bottom: 0;
}
.page-home .stat__num{
  flex: 0 0 auto;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
  letter-spacing: -.01em;
}
.page-home .stat__label{
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}
.page-home .watch__link{
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56,232,216,.4);
}
.page-home .watch__link:hover,
.page-home .watch__link:focus-visible{
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px){
  .page-home .watch__item{
    grid-template-columns: 8.5em 1fr;
    gap: 16px;
    align-items: start;
  }
}

@media (min-width: 780px){
  .page-home .hub__grid{
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
  }
  .page-home .hub-card--a{ grid-column: span 7; }
  .page-home .hub-card--b{ grid-column: span 5; margin-top: 26px; }
  .page-home .hub-card--c{ grid-column: span 5; }
  .page-home .hub-card--d{ grid-column: span 4; margin-top: 18px; }
  .page-home .hub-card--e{ grid-column: span 3; }
}

@media (min-width: 900px){
  .page-home .hero{
    padding-top: calc(var(--header-h) + 44px);
  }
  .page-home .hero__inner{
    grid-template-columns: repeat(12, 1fr);
    column-gap: clamp(16px, 2vw, 28px);
    align-items: start;
  }
  .page-home .hero__lead{
    grid-column: 1 / span 5;
    order: 0;
  }
  .page-home .hero__quick{
    grid-column: 6 / span 3;
    order: 0;
    border-top: 0;
    padding-top: 0;
    margin-top: 4px;
  }
  .page-home .ver-card{
    grid-column: 9 / span 4;
    order: 0;
  }
  .page-home .fit-sec__inner{
    grid-template-columns: .85fr 1.15fr;
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }
  .page-home .steps__inner{
    grid-template-columns: 1.2fr .8fr;
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }
  .page-home .steps__head{
    grid-column: 1 / -1;
  }
  .page-home .watch__inner{
    grid-template-columns: 1.35fr .65fr;
    align-items: start;
    column-gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 1180px){
  .page-home .ver-card{
    margin-right: -34px;
  }
}

@media (min-width: 1024px){
  .page-home .hero__strip img{
    height: clamp(150px, 15vw, 210px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home .hub-card,
  .page-home .hero__quick-list a,
  .page-home .fit__tab{
    transition: none;
  }
  .page-home .hub-card:hover,
  .page-home .hub-card:focus-visible{
    transform: none;
  }
  .page-home .hero__quick-list a:hover,
  .page-home .hero__quick-list a:focus-visible{
    padding-left: 0;
  }
}
<<<END>>>