.page-home{
  --home-gap: clamp(18px, 2.4vw, 24px);
  --home-radius: var(--r-card);
  --band-y: clamp(40px, 6.5vw, 78px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero{
  position: relative;
  padding: clamp(16px, 2.6vw, 28px) 0 clamp(38px, 6vw, 74px);
  background:
    radial-gradient(900px 460px at 86% -10%, rgba(23, 185, 120, .20), transparent 64%),
    radial-gradient(720px 380px at 2% 106%, rgba(245, 197, 66, .13), transparent 68%),
    var(--ink);
}
.page-home .hero__crumbs{
  margin-bottom: clamp(14px, 2.4vw, 22px);
}
.page-home .hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 38px);
  align-items: start;
}
.page-home .hero__visual{
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 232px);
  object-fit: cover;
  object-position: 32% 50%;
  border-radius: var(--home-radius);
  border: 1px solid var(--line);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}
.page-home .hero__title{
  margin: .28em 0 .5em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-home .hero__lede{
  max-width: 44ch;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--paper);
}
.page-home .hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

/* 房间横向轨道 */
.page-home .room-rail{
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(180px, 74%);
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  outline-offset: 6px;
}
.page-home .room-rail:focus-visible{
  outline: 2px solid var(--gold);
  border-radius: var(--home-radius);
}
.page-home .room-rail__lead{
  margin: 0;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  background: var(--ink-1);
}
.page-home .room-rail__lead img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 600;
  object-fit: cover;
}
.page-home .room-rail__lead figcaption{
  padding: 10px 13px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}
.page-home .room-card{
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-top: 4px solid var(--room-accent, var(--green));
  border-radius: var(--home-radius);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.page-home .room-card:hover{
  transform: translateY(-4px);
  border-color: var(--room-accent, var(--green));
  box-shadow: var(--shadow-lift);
}
.page-home .room-card__name{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}
.page-home .room-card__meta{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 时间轴面板 */
.page-home .tl-panel{
  background: linear-gradient(180deg, rgba(22, 38, 61, .96), rgba(11, 21, 38, .96));
  border: 1px solid var(--line);
  border-radius: var(--home-radius);
  padding: clamp(18px, 2.6vw, 28px);
}
.page-home .tl-panel__head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 14px;
}
.page-home .tl-panel__volume{
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}
.page-home .tl-panel__volume .mono{
  color: var(--gold);
}
.page-home .tl-panel__icons{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 400;
  object-fit: cover;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  margin-bottom: 18px;
}
.page-home .tl-nodes{
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}
.page-home .tl-node{
  position: relative;
  padding: 0 0 20px 30px;
}
.page-home .tl-node:last-child{
  padding-bottom: 4px;
}
.page-home .tl-node::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: -2px;
  width: 2px;
  background: linear-gradient(180deg, var(--green), rgba(245, 197, 66, .3));
}
.page-home .tl-node:last-child::before{
  display: none;
}
.page-home .tl-node__dot{
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(245, 197, 66, .14);
}
.page-home .tl-node__link{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  text-decoration: none;
  color: var(--paper);
}
.page-home .tl-node__link:hover .tl-node__title,
.page-home .tl-node__link:focus-visible .tl-node__title{
  color: var(--gold);
}
.page-home .tl-node__ver{
  font-size: 12.5px;
  color: var(--green);
  letter-spacing: .02em;
}
.page-home .tl-node__title{
  font-size: 14.5px;
  line-height: 1.65;
  transition: color .18s ease;
}
.page-home .tl-node__pop{
  position: absolute;
  left: 30px;
  top: calc(100% - 12px);
  z-index: 6;
  width: min(300px, 88%);
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--light);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.68;
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.page-home .tl-node:hover .tl-node__pop{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.page-home .tl-panel__more{
  margin-top: 4px;
}

/* ---------- 通用小标题 ---------- */
.page-home .sec-head{
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}
.page-home .sec-head h2,
.page-home .start-grid__body h2,
.page-home .recover-grid__body h2{
  margin: .28em 0 .5em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 38px);
  line-height: 1.18;
  letter-spacing: -.01em;
}
.page-home .sec-head__lede{
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
}

/* ---------- 年度批次 ---------- */
.page-home .year-band{
  background: var(--ink-1);
  padding: var(--band-y) 0;
  border-top: 1px solid var(--line);
}
.page-home .year-band .sec-head h2{
  color: var(--paper);
}
.page-home .year-band .sec-head__lede{
  color: var(--muted);
}
.page-home .batch-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-home .batch{
  position: relative;
  padding: 20px 18px 22px;
  border-radius: var(--home-radius);
  background: rgba(14, 27, 46, .62);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
}
.page-home .batch__ver{
  margin: 0 0 8px;
  font-size: 12.5px;
  color: var(--gold);
  letter-spacing: .04em;
}
.page-home .batch__title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--paper);
}
.page-home .batch__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-home .year-band__foot{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-top: clamp(22px, 3vw, 30px);
}
.page-home .year-band__note{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 房间分层 ---------- */
.page-home .layers-band{
  background: var(--light);
  color: var(--ink);
  padding: var(--band-y) 0;
}
.page-home .layers-band .eyebrow{
  color: var(--green-deep);
}
.page-home .layers-band .sec-head h2{
  color: var(--ink);
}
.page-home .layers-band .sec-head__lede{
  color: rgba(14, 27, 46, .74);
}
.page-home .tier{
  list-style: none;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-home .tier__step{
  padding: 20px;
  border-radius: var(--home-radius);
  background: #ffffff;
  border: 1px solid rgba(42, 59, 85, .18);
  border-top: 3px solid var(--green);
}
.page-home .tier__num{
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--green-deep);
  letter-spacing: .06em;
}
.page-home .tier__step h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}
.page-home .tier__step p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(14, 27, 46, .74);
}
.page-home .legend{
  padding: 14px 18px;
  border-radius: var(--home-radius);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(42, 59, 85, .2);
}
.page-home .legend__summary{
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}
.page-home .legend__summary::-webkit-details-marker{
  display: none;
}
.page-home .legend__summary::after{
  content: "＋";
  margin-left: auto;
  color: var(--green-deep);
}
.page-home .legend[open] .legend__summary::after{
  content: "－";
}
.page-home .legend__list{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .legend__list li{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(14, 27, 46, .78);
}
.page-home .layers-band__link{
  margin: clamp(20px, 3vw, 28px) 0 0;
}

/* ---------- 教程与练习 ---------- */
.page-home .start-band{
  background: var(--ink-1);
  padding: var(--band-y) 0;
  color: var(--paper);
}
.page-home .start-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  align-items: center;
}
.page-home .start-grid__media img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--home-radius);
  border: 1px solid var(--line);
}
.page-home .start-grid__body h2{
  color: var(--paper);
}
.page-home .start-band__lede,
.page-home .recover-band__lede{
  margin: 0;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
}
.page-home .track-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 22px;
}
.page-home .track{
  padding: 16px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(14, 27, 46, .6);
}
.page-home .track__num{
  margin: 0 0 6px;
  font-size: 12.5px;
  color: var(--gold);
  letter-spacing: .04em;
}
.page-home .track__title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}
.page-home .track__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 找回记录 ---------- */
.page-home .recover-band{
  padding: var(--band-y) 0;
  background:
    radial-gradient(760px 340px at 84% 0%, rgba(63, 193, 232, .16), transparent 66%),
    var(--ink);
  border-top: 1px solid var(--line);
}
.page-home .recover-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 36px);
  align-items: center;
}
.page-home .recover-grid__body h2{
  color: var(--paper);
}
.page-home .recover-grid__body .btn{
  margin-top: 20px;
}
.page-home .recover-card{
  padding: 24px 22px;
  border-radius: var(--home-radius);
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-top: 4px solid var(--cyan);
  text-align: center;
}
.page-home .recover-card__num{
  margin: 0;
  font-size: clamp(42px, 7vw, 58px);
  line-height: 1;
  color: var(--gold);
}
.page-home .recover-card__cap{
  margin: 10px 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.page-home .recover-card__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  text-align: left;
}
.page-home .recover-card__list li{
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}
.page-home .recover-card__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

/* ---------- 信息窄条 ---------- */
.page-home .strip{
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.page-home .strip__inner{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-home .strip__brand{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--paper);
}
.page-home .strip__mail{
  margin: 0;
}
.page-home .strip__mail .mono{
  color: var(--gold);
}
.page-home .strip__icp{
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px){
  .page-home .batch-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .track-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .room-rail{
    grid-auto-columns: minmax(200px, 52%);
  }
}

@media (min-width: 760px){
  .page-home .tier{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 960px){
  .page-home .hero__grid{
    grid-template-columns: 38% minmax(0, 1fr);
    gap: 24px;
  }
  .page-home .hero__title{
    font-size: clamp(40px, 4.4vw, 58px);
  }
  .page-home .room-rail{
    grid-auto-columns: 86%;
  }
  .page-home .batch-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-home .start-grid{
    grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
  }
  .page-home .recover-grid{
    grid-template-columns: minmax(0, 1fr) 310px;
  }
  .page-home .recover-card{
    text-align: left;
  }
  .page-home .strip__inner{
    flex-wrap: nowrap;
  }
}

@media (hover: none){
  .page-home .tl-node__pop{
    display: none;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home .room-card,
  .page-home .tl-node__link,
  .page-home .tl-node__pop{
    transition: none;
  }
  .page-home .room-card:hover{
    transform: none;
  }
}