.page-home{
  --home-gap:clamp(18px,3.4vw,42px);
  --home-pad:clamp(16px,3vw,32px);
  --home-radius:6px;
  position:relative;
  overflow-x:hidden;
}

.page-home::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(
    115deg,
    rgba(43,242,210,.055) 0 1px,
    transparent 1px 34px
  );
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 62%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 62%);
}

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

.page-home .home-context{
  max-width:var(--maxw);
  margin:0 auto;
  padding:16px var(--gutter) 0;
  font-size:var(--step-13);
  font-weight:500;
  letter-spacing:.08em;
  color:var(--slate);
}

/* ---------- 封面 ---------- */

.page-home .cover{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(18px,3.5vw,40px) var(--gutter) clamp(28px,5vw,64px);
  display:grid;
  gap:var(--home-gap);
}

.page-home .cover__title{
  margin:10px 0 18px;
  font-size:clamp(2.05rem,5.6vw,4.05rem);
  line-height:1.02;
  letter-spacing:-.02em;
  color:var(--haze);
}

.page-home .cover__title-line{
  display:block;
}

.page-home .cover__title-line:last-child{
  color:var(--cyan);
}

.page-home .cover__lede{
  margin:0 0 22px;
  max-width:34ch;
  font-size:clamp(1rem,2.2vw,1.125rem);
  line-height:1.75;
  color:rgba(234,242,240,.82);
}

.page-home .cover__actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-bottom:26px;
}

.page-home .cover__hint{
  font-size:var(--step-13);
  letter-spacing:.06em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}

.page-home .cover__index{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  padding-top:18px;
  border-top:1px solid var(--line);
}

.page-home .cover__index a{
  font-size:var(--step-13);
  letter-spacing:.06em;
  color:var(--mint);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-home .cover__stage{
  display:flex;
  flex-direction:column;
}

.page-home .cover__visual{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
  background:var(--teal);
  box-shadow:0 6px 0 rgba(0,0,0,.38), 0 0 0 1px rgba(43,242,210,.08) inset;
}

.page-home .cover__visual img{
  display:block;
  width:100%;
  height:100%;
  min-height:260px;
  max-height:520px;
  object-fit:cover;
  filter:saturate(.82) contrast(1.06) brightness(.86);
}

.page-home .cover-board{
  margin:-78px 14px 0;
  padding:16px 18px 18px;
  border:1px solid var(--line-strong);
  border-radius:var(--home-radius);
  background:linear-gradient(180deg, rgba(14,17,19,.94), rgba(7,26,22,.94));
  box-shadow:0 3px 0 rgba(0,0,0,.4);
}

.page-home .cover-board__head{
  margin:0 0 12px;
  font-size:var(--step-13);
  font-weight:500;
  letter-spacing:.1em;
  color:var(--slate);
}

.page-home .cover-board__stats{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:3px;
  overflow:hidden;
}

.page-home .cover-board__stats li{
  background:var(--teal);
  padding:12px 10px;
  text-align:center;
}

.page-home .cover-board__num{
  display:block;
  font-size:clamp(1.5rem,4vw,2rem);
  line-height:1.1;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}

.page-home .cover-board__num small{
  font-size:.55em;
  margin-left:1px;
}

.page-home .cover-board__unit{
  display:block;
  margin-top:4px;
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(234,242,240,.7);
}

/* ---------- 通用区块 ---------- */

.page-home .section{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(36px,5.6vw,76px) var(--gutter);
}

.page-home .section-head{
  margin-bottom:clamp(20px,3vw,34px);
}

.page-home .section-head .kicker{
  margin:0 0 10px;
}

.page-home .section-head .display-2{
  margin:0 0 14px;
  color:var(--haze);
}

.page-home .section-head .prose{
  max-width:38ch;
  margin:0;
  color:rgba(234,242,240,.78);
}

/* ---------- 三步路径 ---------- */

.page-home .steps__grid{
  display:grid;
  gap:var(--home-gap);
}

.page-home .steps__tabs .tablist{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px;
}

.page-home .steps__tabs .tab{
  flex:1 1 150px;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  background:var(--teal);
  color:rgba(234,242,240,.82);
  font:inherit;
  font-size:var(--step-13);
  letter-spacing:.06em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .steps__tabs .tab:hover{
  border-color:var(--line-strong);
  color:var(--haze);
}

.page-home .steps__tabs .tab[aria-selected="true"]{
  border-color:var(--cyan);
  color:var(--cyan);
  background:rgba(43,242,210,.08);
}

.page-home .steps__tabs .tab:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

.page-home .step-panel{
  padding:22px 20px 20px;
  border:1px solid var(--line);
  border-left:2px solid var(--cyan);
  border-radius:var(--home-radius);
  background:var(--teal);
  box-shadow:0 3px 0 rgba(0,0,0,.34);
}

.page-home .step-panel__num{
  display:inline-block;
  margin:0 0 12px;
  padding:3px 9px;
  border-radius:3px;
  background:var(--magenta);
  color:#0E1113;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  transform:rotate(-2deg);
  box-shadow:0 2px 0 rgba(0,0,0,.45);
}

.page-home .step-panel .heading-3{
  margin:0 0 10px;
  color:var(--haze);
}

.page-home .step-panel .prose{
  margin:0 0 12px;
  color:rgba(234,242,240,.78);
}

.page-home .step-panel__meta{
  margin:0;
  padding-top:12px;
  border-top:1px solid var(--line-soft);
  font-size:var(--step-13);
  letter-spacing:.04em;
  color:var(--slate);
}

.page-home .steps__media{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
  background:var(--indigo);
  box-shadow:0 4px 0 rgba(0,0,0,.36);
}

.page-home .steps__media img{
  display:block;
  width:100%;
  height:100%;
  min-height:220px;
  max-height:420px;
  object-fit:cover;
  filter:saturate(.8) brightness(.85);
}

/* ---------- 数据面板 ---------- */

.page-home .panel__board{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  margin-bottom:clamp(18px,2.6vw,28px);
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
}

.page-home .panel__cell{
  padding:16px 18px;
  background:var(--carbon);
}

.page-home .panel__cell-value{
  margin:0;
  font-size:clamp(1.4rem,3.4vw,1.9rem);
  line-height:1.1;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}

.page-home .panel__cell-value small{
  font-size:.5em;
  margin-left:2px;
  color:rgba(246,196,83,.78);
}

.page-home .panel__cell-label{
  margin:6px 0 0;
  font-size:var(--step-13);
  letter-spacing:.04em;
  color:rgba(234,242,240,.7);
}

.page-home .panel__media{
  margin:0 0 clamp(18px,2.6vw,28px);
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
  background:var(--indigo);
}

.page-home .panel__media img{
  display:block;
  width:100%;
  height:auto;
  max-height:280px;
  object-fit:cover;
  opacity:.9;
}

.page-home .panel__tabs .tablist{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}

.page-home .panel__tabs .tab{
  min-height:44px;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:3px;
  background:transparent;
  color:rgba(234,242,240,.78);
  font:inherit;
  font-size:var(--step-13);
  letter-spacing:.06em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .panel__tabs .tab:hover{
  border-color:var(--line-strong);
  color:var(--haze);
}

.page-home .panel__tabs .tab[aria-selected="true"]{
  border-color:var(--cyan);
  color:var(--ink);
  background:var(--cyan);
}

.page-home .panel__tabs .tab:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

.page-home .metric-panel{
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  background:var(--teal);
}

.page-home .metric-panel .heading-4{
  margin:0 0 8px;
  color:var(--cyan);
}

.page-home .metric-panel .prose{
  margin:0;
  color:rgba(234,242,240,.8);
}

/* ---------- 档案 ---------- */

.page-home .archives__intro{
  display:grid;
  gap:var(--home-gap);
  align-items:end;
  margin-bottom:clamp(22px,3.2vw,36px);
}

.page-home .archives__media{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
  background:var(--indigo);
}

.page-home .archives__media img{
  display:block;
  width:100%;
  height:auto;
  min-height:180px;
  max-height:280px;
  object-fit:cover;
  filter:saturate(.86) brightness(.82);
}

.page-home .archives__grid{
  display:grid;
  gap:var(--home-gap);
}

.page-home .archive-card{
  padding:22px 22px 24px;
  border-left:2px solid var(--cyan);
}

.page-home .archive-card .kicker{
  margin:0 0 10px;
}

.page-home .archive-card .heading-3{
  margin:0 0 10px;
  color:var(--haze);
}

.page-home .archive-card .prose{
  margin:0;
  color:rgba(234,242,240,.78);
}

.page-home .archives__cta{
  margin:clamp(22px,3vw,32px) 0 0;
}

/* ---------- 更新 ---------- */

.page-home .updates__grid{
  display:grid;
  gap:var(--home-gap);
}

.page-home .updates__lead{
  padding:24px 22px;
}

.page-home .updates__lead .tag{
  display:inline-block;
  margin:0 0 14px;
}

.page-home .updates__lead .heading-3{
  margin:0 0 12px;
  color:var(--haze);
}

.page-home .updates__lead .prose{
  margin:0 0 18px;
  color:rgba(234,242,240,.78);
}

.page-home .updates__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--home-radius);
  overflow:hidden;
}

.page-home .updates__list li{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  align-items:baseline;
  padding:18px 18px;
  background:var(--ink);
}

.page-home .updates__list-mark{
  font-size:clamp(1.05rem,2.4vw,1.35rem);
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

.page-home .updates__list-mark small{
  font-size:.6em;
  margin-left:1px;
}

.page-home .updates__list p{
  margin:0;
  font-size:var(--step-16);
  line-height:1.7;
  color:rgba(234,242,240,.78);
}

/* ---------- 反馈 ---------- */

.page-home .feedback__box{
  display:grid;
  gap:var(--home-gap);
  padding:clamp(22px,3.4vw,40px);
  border:1px solid var(--line-strong);
  border-radius:var(--home-radius);
  background:linear-gradient(160deg, rgba(11,22,38,.95), rgba(7,26,22,.95));
  box-shadow:0 4px 0 rgba(0,0,0,.4);
}

.page-home .feedback__body .kicker{
  margin:0 0 10px;
}

.page-home .feedback__body .display-2{
  margin:0 0 14px;
  color:var(--haze);
}

.page-home .feedback__body .prose{
  margin:0 0 20px;
  max-width:40ch;
  color:rgba(234,242,240,.78);
}

.page-home .feedback__cta{
  margin:0;
}

.page-home .feedback__links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
  align-content:start;
}

.page-home .feedback__links li{
  padding:14px 16px;
  border:1px solid var(--line);
  border-left:2px solid var(--cyan);
  border-radius:var(--home-radius);
  background:rgba(15,46,40,.72);
  transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-home .feedback__links li:hover{
  border-color:var(--line-strong);
  border-left-color:var(--mint);
  background:rgba(15,46,40,.95);
}

.page-home .feedback__links a{
  display:block;
  font-size:var(--step-16);
  font-weight:700;
  letter-spacing:.02em;
  color:var(--cyan);
  text-decoration:none;
}

.page-home .feedback__links a:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

.page-home .feedback__links span{
  display:block;
  margin-top:6px;
  font-size:var(--step-13);
  line-height:1.65;
  color:rgba(234,242,240,.7);
}

/* ---------- 响应式 ---------- */

@media (min-width:600px){
  .page-home .panel__board{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:900px){
  .page-home .cover{
    grid-template-columns:minmax(0,7fr) minmax(0,8fr);
    align-items:center;
  }

  .page-home .cover-board{
    margin:-96px 26px 0;
  }

  .page-home .archives__intro{
    grid-template-columns:minmax(0,6fr) minmax(0,5fr);
    gap:clamp(24px,4vw,56px);
  }

  .page-home .updates__grid{
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
    align-items:start;
  }

  .page-home .feedback__box{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:clamp(24px,4vw,56px);
  }
}

@media (min-width:1024px){
  .page-home .steps__grid{
    grid-template-columns:minmax(0,8fr) minmax(0,5fr);
    align-items:start;
  }

  .page-home .steps__tabs .tablist{
    flex-wrap:nowrap;
  }

  .page-home .archives__grid{
    grid-template-columns:repeat(12,minmax(0,1fr));
    gap:clamp(20px,2.6vw,34px);
  }

  .page-home .archive-card:nth-child(1){
    grid-column:1 / span 7;
  }

  .page-home .archive-card:nth-child(2){
    grid-column:8 / span 5;
    margin-top:38px;
  }

  .page-home .archive-card:nth-child(3){
    grid-column:3 / span 8;
    margin-top:-14px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-home .cover__index a,
  .page-home .steps__tabs .tab,
  .page-home .panel__tabs .tab,
  .page-home .feedback__links li{
    transition:none;
  }

  .page-home .step-panel__num{
    transform:none;
  }
}