.page-home{
  --home-gap: clamp(14px, 1.8vw, 24px);
  --home-hair: 1px solid var(--edge);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-home .crumbs{
  padding-top: clamp(16px, 2vw, 24px);
}

/* ---------- 通用小件 ---------- */
.page-home .home-head-link{
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-home .home-head-link:hover,
.page-home .home-head-link:focus-visible{
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero{
  padding-top: clamp(28px, 4vw, 60px);
}

.page-home .home-hero__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 64px);
}

.page-home .home-hero__intro{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-home .home-hero__intro > *{
  margin-top: 0;
  margin-bottom: 0;
}

.page-home .home-hero__chips{
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .home-hero__collage{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .home-hero__shot{
  margin: 0;
  position: relative;
}

.page-home .home-hero__shot img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--layer);
  position: relative;
  z-index: 1;
}

.page-home .home-hero__shot::after{
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: 0;
  bottom: 0;
  border: 1px solid var(--cyan-dim);
  opacity: .5;
}

/* 首屏卡片 */
.page-home .home-card{
  position: relative;
  padding: 20px 20px 22px;
  background: linear-gradient(180deg, rgba(20, 42, 82, .55), rgba(10, 20, 48, .9));
  border: 1px solid var(--layer);
  border-left: 2px solid var(--cyan);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-card:hover{
  border-color: var(--cyan-dim);
  border-left-color: var(--cyan);
}

.page-home .home-card__label{
  margin: 14px 0 2px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ice);
  opacity: .78;
}

.page-home .home-card__value{
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .home-card__value.num--signal{
  color: var(--orange);
}

.page-home .home-card__note{
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ice);
  opacity: .8;
}

.page-home .home-card__link{
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .home-card__link:hover,
.page-home .home-card__link:focus-visible{
  border-color: var(--cyan);
  color: var(--paper);
}

.page-home .home-card--files{
  border-left-color: var(--orange);
  display: grid;
  gap: 18px;
}

.page-home .home-card__files-title{
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 26px);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .home-card--files .btn{
  justify-self: start;
}

/* ---------- 数据规模 ---------- */
.page-home .home-scale__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 42px);
}

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

.page-home .home-scale__visual img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--layer);
}

.page-home .home-scale__list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-scale__item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: var(--home-hair);
}

.page-home .home-scale__item:first-child{
  border-top: var(--home-hair);
}

.page-home .home-scale__num{
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
  white-space: nowrap;
}

.page-home .home-scale__label{
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--paper);
}

.page-home .home-scale__note{
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice);
  opacity: .74;
}

/* ---------- 品牌叙事分屏 ---------- */
.page-home .home-story__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.5vw, 54px);
}

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

.page-home .home-story__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--layer);
}

.page-home .home-story__body > .display-lg{
  margin-top: 12px;
}

.page-home .home-story__body .prose{
  margin-top: 18px;
}

.page-home .home-status__list{
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: var(--home-hair);
}

.page-home .home-status__item{
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: var(--home-hair);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ice);
}

.page-home .home-status__key{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
  padding-top: 4px;
}

/* ---------- 密集索引 ---------- */
.page-home .home-index__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 42px);
}

.page-home .home-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-index__item{
  border-bottom: var(--home-hair);
}

.page-home .home-index__item:first-child{
  border-top: var(--home-hair);
}

.page-home .home-index__link{
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 18px 6px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible{
  background: rgba(34, 245, 224, .05);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-home .home-index__no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .home-index__text{
  display: block;
  min-width: 0;
}

.page-home .home-index__title{
  display: block;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.9vw, 24px);
  font-weight: 300;
  letter-spacing: .02em;
  color: var(--paper);
  line-height: 1.25;
}

.page-home .home-index__desc{
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ice);
  opacity: .74;
}

.page-home .home-index__arrow{
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan-dim);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-index__link:hover .home-index__arrow,
.page-home .home-index__link:focus-visible .home-index__arrow{
  color: var(--cyan);
  transform: translateX(3px);
}

/* 资料下载面板 */
.page-home .home-files{
  padding: 22px 22px 26px;
  background: linear-gradient(180deg, rgba(10, 20, 48, .95), rgba(5, 10, 24, .95));
  border: 1px solid var(--layer);
  align-self: start;
}

.page-home .home-files__title{
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 300;
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .home-files__media{
  margin: 18px 0 0;
}

.page-home .home-files__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--layer);
  filter: saturate(.85);
}

.page-home .home-files__note{
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice);
  opacity: .78;
}

.page-home .home-files .btn{
  margin-top: 18px;
}

/* ---------- 使用场景 ---------- */
.page-home .home-scenes__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.page-home .home-scene{
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--void);
  transition: background var(--dur) var(--ease);
}

.page-home .home-scene:hover{
  background: var(--deep);
}

.page-home .home-scene__no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-home .home-scene__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-home .home-scene__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ice);
  opacity: .82;
  flex: 1 1 auto;
}

.page-home .home-scene__link{
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-scene__link:hover,
.page-home .home-scene__link:focus-visible{
  color: var(--paper);
  border-color: var(--cyan);
}

/* ---------- 页脚前行动入口 ---------- */
.page-home .home-cta{
  padding-top: clamp(40px, 6vw, 88px);
}

.page-home .home-cta__inner{
  display: grid;
  gap: 22px;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--layer);
  border-left: 2px solid var(--orange);
  background:
    linear-gradient(115deg, rgba(34, 245, 224, .07), rgba(5, 10, 24, 0) 58%),
    linear-gradient(180deg, var(--deep), var(--void));
}

.page-home .home-cta__text > .display-md{
  margin: 0;
}

.page-home .home-cta__text p{
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ice);
  opacity: .82;
  max-width: 58ch;
}

.page-home .home-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-home .home-hero__collage{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .home-hero__shot{
    grid-column: 1 / -1;
  }
  .page-home .home-card--files{
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-home .home-card--files .btn{
    justify-self: end;
  }
}

@media (min-width: 860px){
  .page-home .home-cta__inner{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 900px){
  .page-home .home-scenes__grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px){
  .page-home .home-hero__grid{
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-home .home-scale__grid{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-home .home-story__grid{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-home .home-index__grid{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (max-width: 520px){
  .page-home .home-scale__item{
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-home .home-scale__note{
    grid-column: 1;
  }
  .page-home .home-status__item{
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
  .page-home .home-index__link{
    grid-template-columns: 34px minmax(0, 1fr);
  }
  .page-home .home-index__arrow{
    display: none;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home *{
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}