.page-home{
  --home-hair: rgba(216,222,233,.14);
  --home-ink: rgba(245,247,250,.78);
  --home-shadow: rgba(3,5,12,.62);
  background: var(--deep);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .hero{
  position: relative;
  padding: clamp(6.5rem, 18vw, 10rem) 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  isolation: isolate;
  background: var(--void);
}
.page-home .hero__media{
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-home .hero__img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .46;
}
.page-home .hero__media::after{
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(3,5,12,.92) 0%, rgba(7,11,26,.74) 42%, var(--deep) 97%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(216,222,233,.05) 79px 80px);
}
.page-home .hero__ruler{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background: repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 26px);
  opacity: .45;
  pointer-events: none;
}
.page-home .crumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--steel);
}
.page-home .crumbs__now{ color: var(--paper); }
.page-home .crumbs__sep{ color: var(--orange); }

.page-home .hero__title{
  margin: clamp(.9rem, 3vw, 1.6rem) 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 9vw, 6.2rem);
  line-height: .96;
  letter-spacing: -.02em;
  transform: skewX(-5deg);
  transform-origin: left bottom;
  overflow-wrap: break-word;
}
.page-home .hero__line{ display: block; }
.page-home .hero__line--accent{ color: var(--orange); }

.page-home .hero__lede{
  max-width: 54ch;
  margin: clamp(1.1rem, 3vw, 1.9rem) 0 0;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.85;
  color: var(--home-ink);
}
.page-home .hero__status{
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: clamp(1.1rem, 3vw, 1.7rem);
}
.page-home .hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

/* ---------- 数据节奏条 ---------- */
.page-home .score{
  position: relative;
  margin-top: clamp(2rem, 5vw, 3.25rem);
  border: 1px solid var(--home-hair);
  background: linear-gradient(115deg, rgba(16,26,51,.96), rgba(12,21,40,.97));
  box-shadow: 10px 10px 0 -1px var(--home-shadow);
}
.page-home .score::before{
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 64px;
  height: 4px;
  background: var(--orange);
}
.page-home .score__head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .4rem 1rem;
  padding: .9rem clamp(.9rem, 2.4vw, 1.4rem);
  border-bottom: 1px solid var(--home-hair);
}
.page-home .score__label{
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--cyan);
}
.page-home .score__hint{
  font-size: .8rem;
  color: var(--steel);
}
.page-home .score__input{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-home .score__tabs{
  display: flex;
  gap: 1px;
  background: var(--home-hair);
  border-bottom: 1px solid var(--home-hair);
}
.page-home .score__tabs label{
  flex: 1 1 0;
  padding: .72rem .5rem;
  text-align: center;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .1em;
  color: var(--steel);
  background: var(--panel-2);
  transition: color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.page-home .score__tabs label:hover{ color: var(--paper); }

.page-home #sb-f:checked ~ .score__tabs label[for="sb-f"],
.page-home #sb-b:checked ~ .score__tabs label[for="sb-b"],
.page-home #sb-r:checked ~ .score__tabs label[for="sb-r"]{
  background: var(--panel);
  color: var(--paper);
  box-shadow: inset 0 -3px 0 var(--orange);
}
.page-home #sb-f:focus-visible ~ .score__tabs label[for="sb-f"],
.page-home #sb-b:focus-visible ~ .score__tabs label[for="sb-b"],
.page-home #sb-r:focus-visible ~ .score__tabs label[for="sb-r"]{
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-home .score__panel{ display: none; }
.page-home #sb-f:checked ~ .score__panels .score__panel--f,
.page-home #sb-b:checked ~ .score__panels .score__panel--b,
.page-home #sb-r:checked ~ .score__panels .score__panel--r{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--home-hair);
}
.page-home .score__cell{
  padding: 1rem clamp(.9rem, 2.4vw, 1.4rem) 1.15rem;
  background: var(--panel-2);
}
.page-home .score__k{
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--steel);
}
.page-home .score__v{
  display: block;
  margin-top: .45rem;
  font-size: .98rem;
  line-height: 1.5;
  color: var(--paper);
}

/* ---------- 章节快捷入口 ---------- */
.page-home .jump{
  display: flex;
  gap: .5rem;
  margin-top: 1.4rem;
  padding-bottom: .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-home .jump a{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .5rem .85rem;
  border: 1px solid var(--home-hair);
  color: var(--steel);
  font-size: .82rem;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .jump b{
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
}
.page-home .jump a:hover,
.page-home .jump a:focus-visible{
  color: var(--paper);
  border-color: var(--orange);
}

/* ---------- 章节堆叠面板 ---------- */
.page-home .chapter{
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  border-top: 1px solid var(--home-hair);
}
.page-home .chapter__grid{
  display: grid;
  gap: 1.4rem;
}
.page-home .chapter__aside{
  display: flex;
  align-items: center;
  gap: .9rem;
}
.page-home .chapter__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 4.6rem);
  line-height: .85;
  letter-spacing: -.05em;
  color: var(--orange);
}
.page-home .chapter__kicker{
  font-size: .74rem;
  letter-spacing: .3em;
  color: var(--steel);
}
.page-home .chapter__body{ min-width: 0; }
.page-home .chapter__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -.01em;
}
.page-home .chapter__lede{
  max-width: 66ch;
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--home-ink);
}

/* ---------- 数据格 ---------- */
.page-home .stat-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--home-hair);
  background: var(--home-hair);
}
.page-home .stat{
  padding: 1rem 1rem 1.1rem;
  background: var(--panel);
}
.page-home .stat__n{
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -.02em;
  color: var(--cyan);
}
.page-home .stat__u{
  font-size: .58em;
  margin-left: .12em;
  color: var(--steel);
}
.page-home .stat__l{
  display: block;
  margin-top: .4rem;
  font-size: .82rem;
  color: var(--steel);
}

/* ---------- 图文区 ---------- */
.page-home .duo{
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}
.page-home .sheet{
  position: relative;
  padding: clamp(1rem, 2.6vw, 1.5rem);
  border: 1px solid var(--home-hair);
  background: var(--panel);
  box-shadow: 6px 6px 0 -1px var(--home-shadow);
  min-width: 0;
}
.page-home .sheet--accent{ box-shadow: inset 3px 0 0 var(--orange), 6px 6px 0 -1px var(--home-shadow); }
.page-home .sheet__h{
  margin: 0 0 .9rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.page-home .sheet__foot{
  margin: 1rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--home-hair);
  font-size: .85rem;
  line-height: 1.7;
  color: var(--steel);
}
.page-home .ticks{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}
.page-home .ticks li{
  position: relative;
  padding-left: 1.35rem;
  font-size: .94rem;
  line-height: 1.65;
  color: var(--home-ink);
}
.page-home .ticks li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}
.page-home .ticks a{
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(34,211,238,.45);
}
.page-home .ticks a:hover{ color: var(--cyan); border-color: var(--orange); }

.page-home .shot{
  position: relative;
  margin: 0;
  border: 1px solid var(--home-hair);
  background: var(--void);
  overflow: hidden;
  min-width: 0;
}
.page-home .shot img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .shot__cap{
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .45rem .75rem;
  background: rgba(3,5,12,.84);
  border-top: 1px solid var(--home-hair);
  border-right: 1px solid var(--home-hair);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--steel);
}

/* ---------- 三步兼容模式 ---------- */
.page-home .steps{
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--home-hair);
  background: var(--home-hair);
}
.page-home .step{ background: var(--panel); }
.page-home .step summary{
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .95rem clamp(.9rem, 2.4vw, 1.3rem);
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 700;
  line-height: 1.5;
  transition: background .2s var(--ease);
}
.page-home .step summary::-webkit-details-marker{ display: none; }
.page-home .step summary:hover{ background: var(--panel-2); }
.page-home .step summary::after{
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--orange);
}
.page-home .step[open] summary::after{ content: "–"; }
.page-home .step[open] summary{ box-shadow: inset 3px 0 0 var(--orange); }
.page-home .step__n{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--orange);
}
.page-home .step__body{
  max-width: 68ch;
  padding: .9rem clamp(.9rem, 2.4vw, 1.3rem) 1.15rem;
  border-top: 1px solid var(--home-hair);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--home-ink);
}

/* ---------- 状态清单 ---------- */
.page-home .status-list{
  list-style: none;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--home-hair);
  background: var(--home-hair);
}
.page-home .status-list li{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  padding: .85rem clamp(.9rem, 2.4vw, 1.3rem);
  background: var(--panel);
}
.page-home .status-list__name{
  font-size: .96rem;
  font-weight: 600;
}
.page-home .status-list__note{
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--steel);
}

/* ---------- 联系与延伸 ---------- */
.page-home .contact-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}
.page-home .contact-list li{
  display: grid;
  gap: .18rem;
}
.page-home .contact-list__label{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--steel);
}
.page-home .contact-list__value{
  font-size: .96rem;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: break-word;
}

.page-home .linkrow{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  margin-top: 1.2rem;
}
.page-home .linkrow a{
  font-size: .9rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34,211,238,.4);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .linkrow a:hover,
.page-home .linkrow a:focus-visible{
  color: var(--paper);
  border-color: var(--orange);
}

/* ---------- 章节竖排索引 ---------- */
.page-home .rail{ display: none; }

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-home .stat-grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 820px){
  .page-home .duo{
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    align-items: start;
  }
  .page-home .duo > .shot:first-child{ grid-column: 1; }
  .page-home .duo > .sheet:last-child{ grid-column: 2; }
}

@media (min-width: 900px){
  .page-home .chapter__grid{
    grid-template-columns: clamp(90px, 10vw, 160px) minmax(0, 1fr);
    gap: clamp(1.6rem, 4vw, 3.5rem);
    align-items: start;
  }
  .page-home .chapter__aside{
    position: sticky;
    top: 6rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .page-home .chapter__kicker{
    writing-mode: vertical-rl;
    letter-spacing: .42em;
  }
  .page-home .chapter:nth-of-type(even) .chapter__body{
    transform: translateY(.6rem);
  }
}

@media (min-width: 1200px){
  .page-home .hero__lede{ max-width: 58ch; }
  .page-home .score__tabs label{ padding: .8rem 1rem; }
}

@media (min-width: 1500px){
  .page-home .rail{
    display: grid;
    gap: .2rem;
    position: fixed;
    left: calc((100vw - var(--shell)) / 2 - 3.4rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 15;
  }
  .page-home .rail::before{
    content: "";
    position: absolute;
    left: -.55rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--home-hair);
  }
  .page-home .rail__item{
    display: block;
    padding: .3rem 0;
    text-decoration: none;
  }
  .page-home .rail__n{
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: .1em;
    color: var(--steel);
    transition: color .2s var(--ease), transform .2s var(--ease);
    display: inline-block;
  }
  .page-home .rail__item:hover .rail__n,
  .page-home .rail__item:focus-visible .rail__n{
    color: var(--orange);
    transform: translateX(3px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home .hero__title{ transform: none; }
  .page-home .score__tabs label,
  .page-home .jump a,
  .page-home .linkrow a,
  .page-home .step summary,
  .page-home .rail__n{ transition: none; }
  .page-home .chapter__body{ transform: none; }
}