.page-home {
  --home-hero-pad: clamp(52px, 9vw, 118px);
  --home-shadow: 0 26px 64px rgba(5, 11, 24, .58);
  padding-bottom: 84px;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--home-hero-pad) 0 clamp(44px, 6vw, 84px);
  background: var(--ink);
}

.page-home .hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-home .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 40%;
  opacity: .3;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(126deg, rgba(46, 242, 208, .18) 0 22%, rgba(46, 242, 208, 0) 22.2%),
    linear-gradient(126deg, rgba(255, 107, 44, 0) 68%, rgba(255, 107, 44, .16) 68.2%),
    linear-gradient(180deg, rgba(11, 27, 58, .58) 0%, rgba(5, 11, 24, .94) 74%);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 14px 0 20px;
  max-width: 20ch;
}

.page-home .hero-copy .lead {
  max-width: 46ch;
  color: var(--mist);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 22px;
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 13px;
  color: var(--mist);
}

.page-home .hero-meta .mono {
  color: var(--cyan);
  margin-right: 6px;
}

/* 悬浮索引卡 */
.page-home .hero-index {
  background: linear-gradient(160deg, var(--panel-hi), var(--panel) 62%);
  border: 1px solid var(--cyan-line);
  box-shadow: var(--home-shadow);
  padding: clamp(20px, 3vw, 30px);
}

.page-home .hero-index__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--snow);
}

.page-home .hero-search {
  display: flex;
  border: 1px solid var(--line-strong);
  background: rgba(5, 11, 24, .62);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-home .hero-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(46, 242, 208, .16);
}

.page-home .hero-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  border: 0;
  background: transparent;
  color: var(--snow);
  font-family: var(--font-sans);
  font-size: 14px;
}

.page-home .hero-search input::placeholder {
  color: var(--mist);
}

.page-home .hero-search input:focus {
  outline: none;
}

.page-home .hero-search__hint {
  margin: 10px 0 18px;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-home .hero-index__list {
  display: block;
}

.page-home .hero-index__list .index-list__row {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--snow);
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-home .hero-index__list .index-list__row:last-child {
  border-bottom: 0;
}

.page-home .hero-index__list .index-list__row:hover,
.page-home .hero-index__list .index-list__row:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
  background: rgba(46, 242, 208, .05);
}

.page-home .hero-index__list .index-list__num {
  font-size: 12px;
  color: var(--orange);
}

.page-home .hero-index__list .index-list__label {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-home .hero-index__list .index-list__meta {
  font-size: 11px;
  color: var(--mist);
  white-space: nowrap;
}

/* 路径图 */
.page-home .hero-path {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--cyan-line);
}

.page-home .hero-path text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--mist);
}

.page-home .hero-path__dot {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-home .hero-path__dot--a {
  fill: var(--cyan);
}

.page-home .hero-path__dot--c {
  fill: var(--orange);
  stroke: var(--orange);
}

/* ---------- 数据条 ---------- */
.page-home .home-strip {
  background: var(--void);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.page-home .stat-strip .stat {
  background: var(--ink);
  padding: 20px 18px 18px;
  border-top: 2px solid var(--cyan);
}

.page-home .stat-strip .stat__num {
  display: block;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.1;
  color: var(--snow);
}

.page-home .stat-strip .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 通用二分结构 ---------- */
.page-home .home-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

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

.page-home .home-shot .img-frame {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-home .home-shot--tall .img-frame {
  max-width: 360px;
}

.page-home .home-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .home-body__lede {
  max-width: 54ch;
  margin: 14px 0 26px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .home-body__lede--wide {
  max-width: 64ch;
}

/* ---------- 特性列表 ---------- */
.page-home .feature-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-home .feature-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .2s ease;
}

.page-home .feature-list__item:hover {
  border-bottom-color: var(--cyan-line);
}

.page-home .feature-list__k {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-home .feature-list__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 平板端资源 ---------- */
.page-home .tablet-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  margin-top: 30px;
  align-items: start;
}

.page-home .tablet-grid__figure {
  margin: 0;
}

.page-home .tablet-grid__figure .img-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-home .tablet-grid__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .tablet-grid__figure .img-frame__cap {
  display: block;
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .tablet-res {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .tablet-res__item {
  background: var(--panel);
  padding: 20px 20px 22px;
  border-left: 2px solid transparent;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-home .tablet-res__item:hover {
  border-left-color: var(--orange);
  background: var(--panel-hi);
}

.page-home .tablet-res__item h3 {
  margin: 0 0 8px;
  color: var(--snow);
}

.page-home .tablet-res__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .tablet-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 联系 ---------- */
.page-home .connect-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 46px);
  padding: clamp(24px, 4vw, 46px);
  background: linear-gradient(120deg, var(--panel-hi) 0%, var(--ink) 58%);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--cyan);
}

.page-home .connect-panel__copy p {
  max-width: 52ch;
  color: var(--mist);
}

.page-home .connect-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .connect-card {
  background: rgba(5, 11, 24, .6);
  border: 1px solid var(--line);
  padding: 22px 20px;
}

.page-home .connect-card .contact-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .connect-card .contact-line__k {
  grid-column: 1 / -1;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-home .connect-card .contact-line__v {
  font-size: 14px;
  color: var(--snow);
  word-break: break-all;
}

.page-home .connect-card__note {
  margin: 16px 0 0;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 时间轴 ---------- */
.page-home .timeline {
  position: relative;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 1px solid var(--line-strong);
}

.page-home .timeline__item {
  position: relative;
  padding: 0 0 30px;
}

.page-home .timeline__item:last-child {
  padding-bottom: 0;
}

.page-home .timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-home .timeline__item:nth-child(2n)::before {
  border-color: var(--orange);
}

.page-home .timeline__time {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--snow);
  background: rgba(46, 242, 208, .12);
  border: 1px solid var(--cyan-line);
}

.page-home .timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--snow);
}

.page-home .timeline__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* 版本条 */
.page-home .version-rail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 40px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-home .version-rail__item {
  background: var(--ink);
  padding: 16px 18px;
}

.page-home .version-rail__item .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--violet);
}

.page-home .version-rail__item p {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

/* ---------- 悬浮索引 ---------- */
.page-home .home-dock {
  position: fixed;
  left: var(--pad-x);
  right: var(--pad-x);
  bottom: 10px;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  background: rgba(5, 11, 24, .93);
  border: 1px solid var(--line-strong);
}

.page-home .home-dock__link {
  padding: 11px 4px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
  border-right: 1px solid var(--line);
  transition: color .2s ease, background-color .2s ease;
}

.page-home .home-dock__link:last-child {
  border-right: 0;
}

.page-home .home-dock__link:hover,
.page-home .home-dock__link:focus-visible {
  color: var(--cyan);
  background: rgba(46, 242, 208, .1);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-home .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .feature-list__item {
    grid-template-columns: 200px 1fr;
    gap: 20px;
    align-items: baseline;
  }

  .page-home .tablet-grid {
    grid-template-columns: 1.15fr .85fr;
  }

  .page-home .version-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-home {
    padding-bottom: 0;
  }

  .page-home .home-dock {
    display: none;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-home .hero-index {
    transform: translateY(-28px);
  }

  .page-home .home-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-home .home-split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .home-shot--tall .img-frame {
    max-width: 100%;
  }

  .page-home .connect-panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-home .timeline {
    padding-left: 34px;
  }

  .page-home .timeline__item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: 26px;
    row-gap: 6px;
  }

  .page-home .timeline__item::before {
    left: -39px;
    top: 10px;
  }

  .page-home .timeline__time {
    grid-row: 1 / span 2;
    justify-self: start;
    margin-bottom: 0;
  }

  .page-home .timeline__title {
    grid-column: 2;
  }

  .page-home .timeline__text {
    grid-column: 2;
  }
}

@media (max-width: 420px) {
  .page-home .hero-index__list .index-list__row {
    grid-template-columns: 30px 1fr;
  }

  .page-home .hero-index__list .index-list__meta {
    grid-column: 2;
    white-space: normal;
  }
}