.page-home{
  display:block;
  background: var(--paper);
  color: var(--ink);
  --home-gap: clamp(24px, 4vw, 56px);
  --home-pad: clamp(44px, 6.4vw, 88px);
}

/* ============ 首屏 ============ */
.page-home .home-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(18px, 2.6vw, 32px) clamp(40px, 5.4vw, 76px);
  background:
    radial-gradient(120% 90% at 6% -14%, rgba(43,240,214,.22), transparent 58%),
    radial-gradient(92% 80% at 98% 4%, rgba(59,46,99,.24), transparent 62%),
    radial-gradient(70% 55% at 64% 118%, rgba(255,162,58,.12), transparent 70%),
    var(--paper);
}
.page-home .hero-wave{
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6%;
  width: 100%;
  height: clamp(110px, 20vw, 240px);
  opacity: .14;
  z-index: -1;
  pointer-events: none;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.5;
}
.page-home .hero-top{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
  min-width: 0;
}
.page-home .hero-eyebrow{
  margin-top: clamp(22px, 3.6vw, 44px);
  color: var(--blue);
}
.page-home .hero-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 100px);
  line-height: .96;
  letter-spacing: -.03em;
  color: var(--blue);
  margin: clamp(14px, 2vw, 26px) 0 0;
  max-width: 13em;
  text-wrap: balance;
}
.page-home .hero-body{
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(28px, 5vw, 68px);
}
.page-home .hero-copy{ min-width: 0; }
.page-home .hero-copy .lede{
  margin: 0;
  max-width: 26em;
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.72;
  color: var(--ink);
}
.page-home .hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}
.page-home .hero-visual{ min-width: 0; }
.page-home .hero-visual img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
}
@media (min-width: 900px){
  .page-home .hero-body{ grid-template-columns: 7fr 5fr; align-items: end; }
}

/* ============ 通用段落 ============ */
.page-home .section-block{
  padding-block: var(--home-pad);
}
.page-home .section-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--blue);
  margin: 8px 0 0;
  max-width: 18em;
}
.page-home .section-lede{
  margin: 14px 0 0;
  max-width: 44em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--ink);
}

/* ============ 三步自查 + 时间轴 ============ */
.page-home .home-split{
  padding-block: var(--home-pad);
}
.page-home .home-split .layout{
  display: grid;
  gap: var(--home-gap);
  min-width: 0;
}
.page-home .home-split .layout__main,
.page-home .home-split .layout__aside{
  min-width: 0;
}
@media (min-width: 900px){
  .page-home .home-split .layout{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}
.page-home .checklist{
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-home .check-step{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--mint);
  border: 1px solid rgba(43,240,214,.45);
}
.page-home .check-num{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue);
  background: #fff;
  border: 1px solid rgba(27,58,140,.16);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  height: fit-content;
}
.page-home .check-step h3{
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.page-home .check-step p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}
.page-home .table-wrap{
  margin-top: clamp(20px, 3vw, 28px);
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--mist);
  background: #fff;
}
.page-home .table-wrap .data-table{
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}
.page-home .table-caption{
  caption-side: top;
  text-align: left;
  padding: 14px 16px 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--blue);
}
.page-home .table-wrap thead th{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--blue);
  background: rgba(27,58,140,.06);
  white-space: nowrap;
}
.page-home .table-wrap th,
.page-home .table-wrap td{
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}
.page-home .table-wrap tbody tr + tr{
  border-top: 1px solid var(--mist);
}

.page-home .timeline-panel{
  background: linear-gradient(155deg, var(--deep) 0%, var(--dusk) 100%);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 34px);
  color: var(--paper);
  box-shadow: var(--shadow-soft);
}
.page-home .timeline-panel .eyebrow{
  color: var(--neon);
}
.page-home .timeline-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: #fff;
  margin: 8px 0 clamp(20px, 3vw, 28px);
}
.page-home .timeline{
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-home .tl-item{
  position: relative;
  padding: 0 0 24px 26px;
  transition: transform .18s ease;
}
.page-home .tl-item:last-child{ padding-bottom: 0; }
.page-home .tl-item::before{
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: -4px;
  width: 0;
  border-left: 2px dashed rgba(43,240,214,.38);
}
.page-home .tl-item:last-child::before{ display: none; }
.page-home .tl-item::after{
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(43,240,214,.16);
}
.page-home .tl-item:hover{ transform: translateX(3px); }
.page-home .tl-tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  color: var(--neon);
  background: rgba(43,240,214,.14);
  border: 1px solid rgba(43,240,214,.5);
}
.page-home .tl-tag--amber{
  color: var(--amber);
  background: rgba(255,162,58,.14);
  border-color: rgba(255,162,58,.52);
}
.page-home .tl-tag--muted{
  color: rgba(246,243,236,.82);
  background: rgba(246,243,236,.08);
  border-color: rgba(246,243,236,.3);
}
.page-home .tl-item h3{
  margin: 10px 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}
.page-home .tl-item p{
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: rgba(246,243,236,.78);
}
.page-home .timeline-link{
  display: inline-block;
  margin-top: clamp(18px, 2.6vw, 26px);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43,240,214,.45);
  padding-bottom: 2px;
}
.page-home .timeline-link:hover{ color: #fff; border-bottom-color: #fff; }

/* ============ 兼容分段切换 ============ */
.page-home .home-compat{
  padding-block: var(--home-pad);
  background: linear-gradient(180deg, rgba(228,246,242,.62) 0%, var(--paper) 66%);
}
.page-home .tabs{
  margin-top: clamp(24px, 3.4vw, 38px);
}
.page-home .tabs__list{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  width: fit-content;
  max-width: 100%;
  border-radius: var(--r-pill);
  background: rgba(27,58,140,.06);
  border: 1px solid var(--mist);
}
.page-home .tab{
  appearance: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--ink);
  padding: 10px 18px;
  border-radius: var(--r-pill);
  transition: background .18s ease, color .18s ease;
}
.page-home .tab:hover{ background: rgba(255,255,255,.85); }
.page-home .tab[aria-selected="true"]{
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px -18px rgba(27,58,140,.95);
}
.page-home .tab:focus-visible{
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}
.page-home .tab-panel{
  margin-top: 16px;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-md);
  background: var(--mint);
  border: 1px solid rgba(43,240,214,.45);
}
.page-home .tab-panel h3{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--blue);
}
.page-home .tab-panel p{
  margin: 0;
  max-width: 46em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--ink);
}
.page-home .tab-panel .panel-meta{
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--blue);
}
.page-home .tab-panel--paper{
  background: #fff;
  border-color: var(--mist);
}
.page-home .compat-footnote{
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 52em;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink);
}

/* ============ 分类导航 ============ */
.page-home .home-cats{
  padding-block: var(--home-pad);
  background: linear-gradient(180deg, var(--mint) 0%, var(--paper) 62%);
}
.page-home .cats-body{
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(24px, 3.5vw, 40px);
}
@media (min-width: 1000px){
  .page-home .cats-body{ grid-template-columns: 5fr 7fr; align-items: start; }
}
.page-home .cat-figure{ margin: 0; min-width: 0; }
.page-home .cat-figure img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--mist);
  background: #fff;
}
.page-home .cat-grid{
  display: grid;
  gap: 14px;
  min-width: 0;
}
@media (min-width: 640px){
  .page-home .cat-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
.page-home .cat-node{
  display: block;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--mist);
  color: var(--ink);
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.page-home .cat-node:hover,
.page-home .cat-node:focus-visible{
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(43,240,214,.65);
}
.page-home .cat-node h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-home .cat-node p{
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
}
.page-home .cat-node--lead{
  background: linear-gradient(150deg, var(--blue), var(--dusk));
  border-color: transparent;
  color: #fff;
}
.page-home .cat-node--lead p{ color: rgba(255,255,255,.82); }
@media (min-width: 640px){
  .page-home .cat-node--lead:nth-child(1){ grid-row: span 2; }
}

/* ============ 版本对照 ============ */
.page-home .home-versions{
  padding-block: var(--home-pad);
}
.page-home .versions-body{
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(24px, 3.5vw, 40px);
}
@media (min-width: 1000px){
  .page-home .versions-body{ grid-template-columns: 7fr 5fr; align-items: start; }
}
.page-home .versions-body .tabs{ margin-top: 0; min-width: 0; }
.page-home .version-figure{ margin: 0; min-width: 0; }
.page-home .version-figure img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--mist);
  background: #fff;
}
.page-home .version-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-home .version-list li{
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--paper);
  border: 1px solid var(--mist);
}
.page-home .version-list .mono{
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--blue);
}
.page-home .version-list strong{
  font-size: 15px;
  font-weight: 700;
  text-align: right;
}
.page-home .version-list li.is-diff{
  border-color: rgba(255,162,58,.75);
  box-shadow: inset 0 0 0 1px rgba(255,162,58,.28);
  background: #fff;
}

/* ============ 四支柱 ============ */
.page-home .home-pillars{
  padding-block: var(--home-pad);
  background: var(--paper);
}
.page-home .pillars{
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.5vw, 40px);
}
@media (min-width: 760px){
  .page-home .pillars{ grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
}
.page-home .pillar{
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) clamp(20px, 2.6vw, 28px) clamp(20px, 2.6vw, 28px) clamp(26px, 3vw, 34px);
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--mist);
}
.page-home .pillar::before{
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 4px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--neon), var(--blue));
}
.page-home .pillar-num{
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--amber);
}
.page-home .pillar h3{
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--blue);
}
.page-home .pillar p{
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--ink);
}
.page-home .pillar-link{
  display: inline-block;
  margin-top: 14px;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(27,58,140,.35);
  padding-bottom: 2px;
}
.page-home .pillar-link:hover{
  color: var(--dusk);
  border-bottom-color: var(--dusk);
}
.page-home .landmark-figure{
  margin: clamp(30px, 4vw, 54px) 0 0;
  overflow: hidden;
  border-radius: var(--r-md);
}
.page-home .landmark-strip{
  display: block;
  width: 100%;
  height: clamp(120px, 17vw, 210px);
  object-fit: cover;
  opacity: .34;
}

/* ============ 收尾客服带 ============ */
.page-home .home-cta{
  position: relative;
  overflow: hidden;
  padding-block: clamp(36px, 5.4vw, 68px);
  background: linear-gradient(118deg, var(--deep) 0%, var(--dusk) 62%, var(--blue) 100%);
  color: var(--paper);
}
.page-home .home-cta::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(60% 120% at 88% 0%, rgba(43,240,214,.22), transparent 62%);
}
.page-home .home-cta-inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
  align-items: center;
}
@media (min-width: 860px){
  .page-home .home-cta-inner{ grid-template-columns: 1fr auto; }
}
.page-home .cta-eyebrow{
  color: var(--neon);
}
.page-home .cta-title{
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: #fff;
  max-width: 16em;
}
.page-home .cta-text{
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(246,243,236,.84);
}
.page-home .cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-home .home-cta .btn--ghost{
  background: transparent;
  color: var(--paper);
  border-color: rgba(246,243,236,.45);
}
.page-home .home-cta .btn--ghost:hover{
  color: var(--neon);
  border-color: var(--neon);
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 479px){
  .page-home .hero-title{ font-size: clamp(30px, 9.4vw, 40px); }
  .page-home .check-step{ grid-template-columns: 1fr; gap: 8px; }
  .page-home .tabs__list{ border-radius: var(--r-md); }
  .page-home .tab{ padding: 9px 14px; font-size: var(--fs-12); }
  .page-home .version-list li{ grid-template-columns: 1fr; gap: 4px; }
  .page-home .version-list strong{ text-align: left; }
}

@media (prefers-reduced-motion: reduce){
  .page-home .cat-node,
  .page-home .tl-item,
  .page-home .tab{ transition: none; }
  .page-home .cat-node:hover,
  .page-home .cat-node:focus-visible{ transform: none; }
  .page-home .tl-item:hover{ transform: none; }
}
<<<END>>>