.page-home{
  --home-line: var(--ink-16);
  --home-line-light: rgba(169,199,255,.28);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏框景 ---------- */
.page-home .home-hero{
  position: relative;
  isolation: isolate;
  background: var(--deep);
  color: var(--paper-white);
}
.page-home .home-hero-bg{
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.page-home .home-hero-bg img{
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .34;
}
.page-home .home-hero-bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--mist-16) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--mist-16) 0 1px, transparent 1px 72px),
    radial-gradient(120% 90% at 12% 0%, rgba(31,79,216,.62), transparent 62%),
    radial-gradient(90% 70% at 92% 100%, rgba(0,216,255,.18), transparent 60%);
}
.page-home .home-hero-inner{
  position: relative;
  padding-top: 1.15rem;
  padding-bottom: 0;
}
.page-home .home-hero .breadcrumb{
  font-size: .76rem;
  color: var(--paper-48);
  letter-spacing: .06em;
}
.page-home .home-hero .breadcrumb-link{
  color: var(--cyan);
  text-decoration: none;
}
.page-home .home-hero .breadcrumb-link:hover{
  text-decoration: underline;
}

.page-home .home-hero-grid{
  display: grid;
  gap: 2rem;
  padding-top: 2rem;
}
.page-home .home-kicker{
  margin: 0;
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--mist);
}
.page-home .home-title{
  margin: .85rem 0 0;
  font-size: clamp(2.15rem, 8.5vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: .06em;
  font-weight: 800;
  color: var(--paper-white);
}
.page-home .home-lede{
  margin: 1.2rem 0 0;
  max-width: 46ch;
  font-size: clamp(.97rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--paper-72);
}
.page-home .home-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-home .home-hero-aside{
  border: 1px solid var(--home-line-light);
  background: rgba(6,26,64,.55);
  padding: 1.1rem 1.15rem 1.25rem;
}
.page-home .home-aside-title{
  margin: 0;
  font-size: .68rem;
  letter-spacing: .22em;
  color: var(--cyan);
}
.page-home .home-aside-list{
  list-style: none;
  margin: .7rem 0 0;
  padding: 0;
}
.page-home .home-aside-link{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .68rem 0;
  border-top: 1px solid var(--home-line-light);
  color: var(--paper-white);
  text-decoration: none;
  font-size: .9rem;
  transition: color .2s var(--ease);
}
.page-home .home-aside-link:hover,
.page-home .home-aside-link:focus-visible{
  color: var(--cyan);
}
.page-home .home-aside-meta{
  font-size: .66rem;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-home .home-aside-note{
  margin: .9rem 0 0;
  font-size: .76rem;
  line-height: 1.7;
  color: var(--paper-48);
}

.page-home .home-scale{
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 1.2rem 0 0;
  border-top: 1px solid var(--home-line-light);
  display: grid;
  gap: .8rem;
}
.page-home .home-scale-item{
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding-left: .8rem;
  border-left: 1px solid var(--home-line-light);
  font-size: .86rem;
  color: var(--paper-72);
}
.page-home .home-scale-num{
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .home-searcher{
  position: relative;
  z-index: 3;
  margin-top: 2rem;
  margin-bottom: -3.25rem;
  display: grid;
  gap: .85rem;
  padding: 1rem;
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  border-top: 3px solid var(--cyan);
  box-shadow: 0 18px 40px -28px rgba(6,26,64,.75);
}
.page-home .home-searcher-field{
  display: grid;
  gap: .4rem;
  padding-left: .85rem;
  border-left: 3px solid var(--cobalt);
}
.page-home .home-searcher-label{
  font-size: .66rem;
  letter-spacing: .2em;
  color: var(--cobalt);
}
.page-home .home-searcher-placeholder{
  font-size: .95rem;
  line-height: 1.5;
  color: var(--ink-52);
}
.page-home .home-searcher-picks{
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}
.page-home .home-chip{
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--ink-72);
  border: 1px solid var(--ink-24);
  padding: .4rem .7rem;
}

/* ---------- 按钮 ---------- */
.page-home .home-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .8rem 1.3rem;
  font-size: .87rem;
  letter-spacing: .06em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .home-btn--cyan{
  background: var(--cyan);
  color: var(--deep);
  font-weight: 700;
}
.page-home .home-btn--cyan:hover{
  background: var(--paper-white);
}
.page-home .home-btn--line{
  border-color: var(--home-line-light);
  color: var(--paper-white);
}
.page-home .home-btn--line:hover{
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-home .home-btn--ink{
  background: var(--cobalt);
  color: var(--paper-white);
  font-weight: 700;
}
.page-home .home-btn--ink:hover{
  background: var(--deep);
}

/* ---------- 主体两栏 ---------- */
.page-home .home-body{
  padding-top: 5rem;
  padding-bottom: 4rem;
  display: grid;
  gap: 2.25rem;
}
.page-home .home-index{
  border-top: 2px solid var(--ink);
  padding-top: .85rem;
}
.page-home .home-index-title{
  margin: 0;
  font-size: .66rem;
  letter-spacing: .22em;
  color: var(--ink-52);
}
.page-home .home-index-list{
  list-style: none;
  margin: .7rem 0 0;
  padding: 0 0 .3rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
}
.page-home .home-index-link{
  display: block;
  white-space: nowrap;
  padding: .4rem .7rem;
  border: 1px solid var(--home-line);
  background: var(--paper-white);
  color: var(--ink-72);
  font-size: .8rem;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .home-index-link[aria-current="true"]{
  border-color: var(--cobalt);
  color: var(--cobalt);
}

.page-home .home-flow{
  display: grid;
  gap: 0;
  min-width: 0;
}
.page-home .home-block{
  padding-block: 2.4rem;
  border-top: 1px solid var(--home-line);
}
.page-home .home-block:first-child{
  border-top: 0;
  padding-top: 0;
}
.page-home .home-block-tag{
  margin: 0;
  font-size: .68rem;
  letter-spacing: .22em;
  color: var(--cobalt);
}
.page-home .home-block-title{
  margin: .7rem 0 0;
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  line-height: 1.32;
  letter-spacing: .04em;
  font-weight: 800;
  color: var(--ink);
}
.page-home .home-block-lede{
  margin: .9rem 0 0;
  max-width: 62ch;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--ink-72);
}

.page-home .home-two-col{
  display: grid;
  gap: .9rem;
  margin-top: 1.5rem;
}
.page-home .home-card{
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  padding: 1.1rem;
}
.page-home .home-card-kicker{
  margin: 0;
  font-size: .66rem;
  letter-spacing: .2em;
  color: var(--cobalt);
}
.page-home .home-card-text{
  margin: .75rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--ink-72);
}
.page-home .home-link-list{
  list-style: none;
  margin: .8rem 0 0;
  padding: 0;
}
.page-home .home-link-list li + li{
  border-top: 1px solid var(--ink-08);
}
.page-home .home-link-list a{
  display: block;
  padding: .58rem 0;
  color: var(--ink);
  font-size: .9rem;
  line-height: 1.65;
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-home .home-link-list a:hover{
  color: var(--cobalt);
}

.page-home .home-figure{
  margin: 1.5rem 0 0;
  border: 1px solid var(--home-line);
  background: var(--paper-white);
}
.page-home .home-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .home-figure figcaption{
  padding: .6rem .75rem;
  border-top: 1px solid var(--home-line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--ink-52);
}

.page-home .home-steps{
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}
.page-home .home-step{
  background: var(--paper-white);
  padding: 1.15rem;
}
.page-home .home-step-num{
  display: block;
  font-size: 1.3rem;
  letter-spacing: .1em;
  color: var(--cobalt);
}
.page-home .home-step-title{
  margin: .5rem 0 0;
  font-size: 1rem;
  letter-spacing: .04em;
  color: var(--ink);
}
.page-home .home-step-text{
  margin: .45rem 0 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--ink-72);
}

.page-home .home-mobile-grid{
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.page-home .home-quick{
  background: var(--paper-white);
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--cobalt);
  padding: 1.1rem;
}
.page-home .home-quick + .home-quick{
  margin-top: 1rem;
}
.page-home .home-quick-kicker{
  margin: 0;
  font-size: .64rem;
  letter-spacing: .2em;
  color: var(--ink-52);
}
.page-home .home-quick-title{
  margin: .55rem 0 0;
  font-size: 1.02rem;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--ink);
}
.page-home .home-quick-text{
  margin: .45rem 0 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--ink-72);
}
.page-home .home-inline-link{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .9rem;
  padding-bottom: .15rem;
  border-bottom: 1px solid var(--cobalt);
  color: var(--cobalt);
  font-size: .85rem;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .home-inline-link::after{
  content: "→";
  font-family: var(--font-mono);
}
.page-home .home-inline-link:hover{
  color: var(--deep);
  border-color: var(--deep);
}

.page-home .home-format-grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.5rem;
  padding: 1px;
  background: var(--home-line);
  border: 1px solid var(--home-line);
}
.page-home .home-format{
  position: relative;
  background: var(--paper-white);
  padding: .95rem;
  transition: background .2s var(--ease);
}
.page-home .home-format::after{
  content: "V3.8";
  position: absolute;
  top: .55rem;
  right: .6rem;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .08em;
  color: var(--orange);
  opacity: 0;
  transition: opacity .2s var(--ease);
}
.page-home .home-format:hover{
  background: var(--paper);
}
.page-home .home-format:hover::after{
  opacity: 1;
}
.page-home .home-format-code{
  font-size: 1rem;
  letter-spacing: .08em;
  color: var(--cobalt);
}
.page-home .home-format-note{
  margin: .4rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--ink-72);
}

.page-home .home-cat-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-top: 1.2rem;
}
.page-home .home-cat-label{
  margin: 0;
  font-size: .66rem;
  letter-spacing: .18em;
  color: var(--ink-52);
}
.page-home .home-cat-list{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
}
.page-home .home-cat-list li{
  border: 1px solid var(--home-line);
  background: var(--paper-white);
  padding: .32rem .65rem;
  font-size: .78rem;
  color: var(--ink-72);
}

.page-home .home-support{
  background: var(--deep);
  background-image: radial-gradient(110% 90% at 88% 0%, rgba(31,79,216,.55), transparent 62%);
  color: var(--paper-white);
  padding: 1.35rem;
}
.page-home .home-seal{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-size: .66rem;
  letter-spacing: .16em;
  padding: .32rem .6rem;
}
.page-home .home-support-title{
  margin: .8rem 0 0;
  font-size: clamp(1.35rem, 3.6vw, 1.95rem);
  line-height: 1.34;
  letter-spacing: .04em;
  font-weight: 800;
  color: var(--paper-white);
}
.page-home .home-support-text{
  margin: .85rem 0 0;
  max-width: 60ch;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--paper-72);
}
.page-home .home-stats{
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--home-line-light);
  border: 1px solid var(--home-line-light);
}
.page-home .home-stat{
  background: var(--deep);
  padding: .95rem;
}
.page-home .home-stat-num{
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  letter-spacing: .04em;
  color: var(--cyan);
}
.page-home .home-stat-label{
  display: block;
  margin-top: .35rem;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--paper-72);
}
.page-home .home-contact-facts{
  margin-top: 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--home-line-light);
  display: grid;
  gap: .4rem;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--paper-72);
}
.page-home .home-contact-facts p{
  margin: 0;
}
.page-home .home-contact-title{
  font-size: .66rem;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-home .home-support-links{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

/* ---------- 渐显 ---------- */
.page-home [data-reveal]{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.page-home [data-reveal].is-revealed{
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-home .home-two-col{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--home-line);
    border: 1px solid var(--home-line);
    padding: 1px;
  }
  .page-home .home-card{
    border: 0;
  }
  .page-home .home-format-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .home-stats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px){
  .page-home .home-scale{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
  .page-home .home-steps{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px){
  .page-home .home-searcher{
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 1.4rem;
    padding: 1.15rem 1.35rem;
  }
  .page-home .home-searcher-go{
    justify-self: end;
  }
}

@media (min-width: 900px){
  .page-home .home-mobile-grid{
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 2rem;
    align-items: start;
  }
  .page-home .home-figure--side{
    margin-top: 0;
  }
}

@media (min-width: 1000px){
  .page-home .home-hero-grid{
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .78fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
    padding-top: 3rem;
  }
  .page-home .home-body{
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 3.5rem;
    padding-top: 6rem;
    padding-bottom: 5rem;
  }
  .page-home .home-index{
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
  .page-home .home-index-list{
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }
  .page-home .home-index-link{
    border: 0;
    border-left: 2px solid var(--home-line);
    background: none;
    padding: .55rem 0 .55rem .75rem;
    white-space: normal;
    font-size: .84rem;
  }
  .page-home .home-index-link[aria-current="true"]{
    border-left-color: var(--cobalt);
    color: var(--cobalt);
  }
  .page-home .home-block{
    padding-block: 3.2rem;
  }
  .page-home .home-figure{
    margin-top: 1.9rem;
  }
}

@media (min-width: 1120px){
  .page-home .home-stats{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-home [data-reveal]{
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-home .home-btn,
  .page-home .home-aside-link,
  .page-home .home-index-link,
  .page-home .home-link-list a,
  .page-home .home-format{
    transition: none;
  }
}
<<<END>>>