.page-home{
  --hp-rule:1px solid var(--grid-line);
  background:var(--paper-050);
  color:var(--ink-900);
  font-family:var(--font-body);
  overflow-x:clip;
}
.page-home img{max-width:100%;height:auto;}
.page-home .kicker{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.16em;
  color:var(--brass-700);
  margin:0;
}
.page-home .display{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(34px,7.4vw,82px);
  line-height:1.04;
  letter-spacing:-.02em;
  margin:clamp(14px,2vw,22px) 0 0;
  color:var(--ink-900);
  max-width:15em;
}
.page-home .lede{
  margin:clamp(16px,2.4vw,24px) 0 0;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.85;
  color:var(--muted-600);
  max-width:58ch;
}
.page-home .h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(25px,4.2vw,42px);
  line-height:1.22;
  letter-spacing:-.01em;
  margin:12px 0 0;
  color:var(--ink-900);
}
.page-home .h3{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(18px,2vw,22px);
  line-height:1.42;
  margin:0 0 8px;
  color:var(--ink-900);
}
.page-home .inline-link{
  color:var(--ink-green-600);
  text-decoration:none;
  border-bottom:1px solid var(--brass-500);
  padding-bottom:1px;
}
.page-home .inline-link:hover{color:var(--signal-orange);border-bottom-color:var(--signal-orange);}

/* ---------- 首屏封面 ---------- */
.page-home .hero{
  position:relative;
  isolation:isolate;
  padding-block:clamp(24px,4vw,56px) clamp(40px,6vw,80px);
  border-bottom:var(--hp-rule);
}
.page-home .hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:
    repeating-linear-gradient(0deg, rgba(217,207,184,.55) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, rgba(217,207,184,.55) 0 1px, transparent 1px 88px);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.3) 68%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.3) 68%,transparent 100%);
  pointer-events:none;
}
.page-home .hero-grid{
  display:grid;
  gap:clamp(30px,5vw,56px);
  position:relative;
}
.page-home .hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 20px;
  margin-top:clamp(24px,3vw,34px);
}
.page-home .hero-note{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.08em;
  color:var(--muted-600);
}
.page-home .plate-wrap{position:relative;}
.page-home .hero-plate{
  margin:0;
  padding:1px;
  background:linear-gradient(150deg,var(--brass-500),var(--brass-700) 62%,var(--gold-tint));
  clip-path:polygon(0 0,calc(100% - 34px) 0,100% 34px,100% 100%,0 100%);
}
.page-home .hero-plate img{
  display:block;
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  clip-path:polygon(0 0,calc(100% - 33px) 0,100% 33px,100% 100%,0 100%);
}
.page-home .plate-badge{
  position:absolute;
  top:-10px;
  right:0;
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.08em;
  background:var(--signal-orange);
  color:#fff;
  padding:6px 12px;
  box-shadow:0 8px 20px rgba(25,23,19,.2);
}
.page-home .cover-index{margin-top:clamp(24px,4vw,34px);}
.page-home .cover-index-title{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.18em;
  color:var(--muted-600);
  margin:0 0 8px;
}
.page-home .cover-index-list{
  list-style:none;
  margin:0;
  padding:0;
}
.page-home .cover-index-item{border-top:var(--hp-rule);}
.page-home .cover-index-item:last-child{border-bottom:var(--hp-rule);}
.page-home .cover-index-link{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:10px 14px;
  align-items:baseline;
  padding:13px 6px;
  text-decoration:none;
  color:var(--ink-900);
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.page-home .cover-index-link:hover,
.page-home .cover-index-link:focus-visible{
  background:var(--gold-tint);
  padding-left:14px;
}
.page-home .ci-code{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  color:var(--brass-700);
  letter-spacing:.1em;
}
.page-home .ci-main{font-size:var(--fs-base);font-weight:700;}
.page-home .ci-meta{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  color:var(--muted-600);
}

/* ---------- 通用区块 ---------- */
.page-home .hp-section{padding-block:clamp(46px,7vw,88px);}
.page-home .hp-section--tint{
  background:var(--paper-100);
  border-block:var(--hp-rule);
}
.page-home .hp-section--ink{
  background:var(--ink-green-900);
  color:var(--paper-050);
}
.page-home .hp-section--ink .h2,
.page-home .hp-section--ink .h3{color:var(--paper-050);}
.page-home .hp-section--ink .kicker{color:var(--gold-tint);}
.page-home .hp-section--ink .lede{color:var(--paper-100);}
.page-home .sec-head{max-width:62ch;}

/* ---------- 两步动线 ---------- */
.page-home .route-grid{
  display:grid;
  gap:clamp(26px,4vw,44px);
  margin-top:clamp(26px,4vw,42px);
  align-items:center;
}
.page-home .route-steps{
  list-style:none;
  margin:0;
  padding:0;
}
.page-home .route-step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px 18px;
  padding:18px 0;
  border-top:var(--hp-rule);
}
.page-home .route-step:last-child{border-bottom:var(--hp-rule);}
.page-home .route-step-num{
  font-family:var(--font-mono);
  font-weight:300;
  font-size:clamp(32px,5.4vw,50px);
  line-height:1;
  color:var(--brass-500);
}
.page-home .route-step-body p{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--muted-600);
}
.page-home .route-figure{
  margin:0;
  padding:clamp(12px,2vw,22px);
  background:var(--paper-100);
  border:var(--hp-rule);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%);
}
.page-home .route-svg{display:block;width:100%;height:auto;}
.page-home .route-svg .frame{fill:var(--paper-050);stroke:var(--grid-line);stroke-width:1.5;}
.page-home .route-svg .bar{fill:none;stroke:var(--grid-line);stroke-width:1.5;}
.page-home .route-svg .dot{fill:var(--grid-line);}
.page-home .route-svg .target{fill:var(--brass-500);}
.page-home .route-svg .target-text{
  fill:var(--paper-050);
  font-family:var(--font-body);
  font-size:13px;
}
.page-home .route-svg .origin{fill:var(--ink-green-600);}
.page-home .route-svg .path{
  fill:none;
  stroke:var(--signal-orange);
  stroke-width:2;
  stroke-dasharray:7 7;
  transition:stroke-width .25s var(--ease);
}
.page-home .route-svg .arrow-head{fill:var(--signal-orange);}
.page-home .route-svg .label{
  fill:var(--muted-600);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.page-home .route-figure:hover .path{stroke-width:3.4;}
.page-home .route-cap{
  margin:14px 0 0;
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.06em;
  color:var(--muted-600);
  line-height:1.7;
}

/* ---------- 三步上手卡片 ---------- */
.page-home .start-cards{
  display:grid;
  gap:16px;
  margin-top:clamp(26px,4vw,40px);
}
.page-home .start-card{
  background:var(--paper-050);
  border:var(--hp-rule);
  padding:clamp(20px,3vw,28px);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.page-home .start-card:hover{background:#fff;}
.page-home .start-num{
  display:block;
  font-family:var(--font-mono);
  font-weight:300;
  font-size:clamp(40px,5.6vw,56px);
  line-height:1;
  color:var(--brass-500);
  margin-bottom:12px;
}
.page-home .start-card p{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--muted-600);
}
.page-home .card-extra{
  margin-top:12px;
  color:var(--brass-700);
  font-size:var(--fs-xs);
  line-height:1.7;
  font-family:var(--font-mono);
}
.page-home .start-foot{
  margin:clamp(20px,3vw,28px) 0 0;
  font-size:var(--fs-sm);
  color:var(--muted-600);
  line-height:1.8;
}
.page-home .band{margin:clamp(28px,5vw,48px) 0 0;}
.page-home .band img{
  display:block;
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ---------- 适配清单 ---------- */
.page-home .check-grid{
  display:grid;
  gap:clamp(26px,4vw,44px);
}
.page-home .chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:clamp(18px,3vw,26px);
}
.page-home .chip{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.08em;
  background:var(--gold-tint);
  color:var(--brass-700);
  border:1px solid rgba(122,87,22,.35);
  padding:5px 10px;
}
.page-home .accordion{
  margin-top:clamp(20px,3vw,28px);
  border-top:var(--hp-rule);
}
.page-home .accordion-item{border-bottom:var(--hp-rule);}
.page-home .accordion-trigger{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  background:none;
  border:0;
  padding:15px 2px;
  cursor:pointer;
  text-align:left;
  font-family:var(--font-body);
  font-size:var(--fs-base);
  color:var(--ink-900);
}
.page-home .accordion-trigger:hover .acc-title{color:var(--ink-green-600);}
.page-home .acc-code{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.1em;
  color:var(--brass-700);
}
.page-home .acc-title{font-weight:700;transition:color .2s var(--ease);}
.page-home .accordion-icon{
  margin-left:auto;
  position:relative;
  width:13px;
  height:13px;
  flex:0 0 auto;
}
.page-home .accordion-icon::before,
.page-home .accordion-icon::after{
  content:"";
  position:absolute;
  background:var(--brass-700);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.page-home .accordion-icon::before{left:0;top:6px;width:13px;height:1px;}
.page-home .accordion-icon::after{left:6px;top:0;width:1px;height:13px;}
.page-home .accordion-trigger[aria-expanded="true"] .accordion-icon::after{
  transform:scaleY(0);
  opacity:0;
}
.page-home .accordion-panel p{
  margin:0 0 16px;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--muted-600);
}
.page-home .check-body .btn{margin-top:clamp(20px,3vw,26px);}
.page-home .check-figure{margin:0;}
.page-home .check-figure img{
  display:block;
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  clip-path:polygon(0 0,100% 0,100% 100%,22px 100%,0 calc(100% - 22px));
}

/* ---------- 反馈时间轴 ---------- */
.page-home .fb-grid{
  display:grid;
  gap:clamp(26px,4vw,44px);
}
.page-home .fb-figure{margin:0;}
.page-home .fb-figure img{
  display:block;
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%);
}
.page-home .timeline{
  list-style:none;
  margin:clamp(22px,3vw,32px) 0 0;
  padding:0;
  display:grid;
  gap:20px;
}
.page-home .timeline-node{
  position:relative;
  padding-left:26px;
}
.page-home .timeline-dot{
  position:absolute;
  left:0;
  top:7px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--signal-orange);
}
.page-home .timeline-node::before{
  content:"";
  position:absolute;
  left:4px;
  top:22px;
  bottom:-20px;
  width:1px;
  background:rgba(233,214,166,.4);
}
.page-home .timeline-node:last-child::before{display:none;}
.page-home .timeline-code{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.12em;
  color:var(--gold-tint);
}
.page-home .timeline-node p{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--paper-100);
}
.page-home .timeline-node .h3{margin-bottom:6px;}
.page-home .fb-note{
  margin:clamp(20px,3vw,26px) 0 0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--gold-tint);
}
.page-home .fb-body .btn{margin-top:clamp(20px,3vw,28px);}

/* ---------- 专题索引 ---------- */
.page-home .topic-list{
  list-style:none;
  margin:clamp(24px,4vw,36px) 0 0;
  padding:0;
  border-top:var(--hp-rule);
}
.page-home .topic-item{border-bottom:var(--hp-rule);}
.page-home .topic-link{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:4px 16px;
  align-items:baseline;
  padding:16px 6px;
  text-decoration:none;
  color:var(--ink-900);
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.page-home .topic-link:hover,
.page-home .topic-link:focus-visible{
  background:var(--gold-tint);
  padding-left:16px;
}
.page-home .topic-code{
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.1em;
  color:var(--brass-700);
}
.page-home .topic-main{
  font-size:var(--fs-sm);
  line-height:1.75;
  color:var(--muted-600);
}
.page-home .topic-main strong{
  display:block;
  font-family:var(--font-display);
  font-size:var(--fs-md);
  line-height:1.4;
  color:var(--ink-900);
  margin-bottom:2px;
}
.page-home .topic-arrow{
  font-family:var(--font-mono);
  color:var(--brass-500);
}
.page-home .topic-foot{
  margin:clamp(20px,3vw,28px) 0 0;
  font-size:var(--fs-sm);
  line-height:1.8;
  color:var(--muted-600);
}

/* ---------- 下一步 ---------- */
.page-home .next-step{
  margin-top:clamp(34px,5vw,56px);
  padding:clamp(20px,3.4vw,30px);
  background:var(--paper-100);
  border:var(--hp-rule);
  border-left:4px solid var(--signal-orange);
  display:grid;
  gap:14px;
}
.page-home .next-step-label{
  margin:0;
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.2em;
  color:var(--signal-orange);
}
.page-home .next-step-text{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px,2.2vw,22px);
  line-height:1.5;
  color:var(--ink-900);
}
.page-home .next-step-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

@media (min-width:720px){
  .page-home .fb-grid{grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);align-items:start;}
  .page-home .timeline{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
  .page-home .timeline-node{padding-left:0;padding-top:26px;}
  .page-home .timeline-dot{left:0;top:3px;}
  .page-home .timeline-node::before{
    left:16px;
    right:0;
    top:7px;
    bottom:auto;
    width:auto;
    height:1px;
  }
  .page-home .next-step{grid-template-columns:auto 1fr;align-items:center;gap:12px 24px;}
  .page-home .next-step-actions{grid-column:1 / -1;}
}

@media (min-width:900px){
  .page-home .hero-grid{grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);align-items:start;gap:clamp(36px,5vw,72px);}
  .page-home .route-grid{grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);}
  .page-home .start-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start;}
  .page-home .start-card:nth-child(2){margin-top:44px;}
  .page-home .start-card:nth-child(3){margin-top:88px;}
  .page-home .check-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:start;}
  .page-home .next-step{grid-template-columns:auto 1fr auto;}
  .page-home .next-step-actions{grid-column:auto;}
  .page-home .topic-link{grid-template-columns:110px 1fr auto;align-items:center;}
}

@media (hover:none){
  .page-home .start-card:hover{background:var(--paper-050);}
  .page-home .cover-index-link:hover,
  .page-home .topic-link:hover{background:transparent;padding-left:6px;}
}

@media (prefers-reduced-motion:reduce){
  .page-home .cover-index-link,
  .page-home .topic-link,
  .page-home .start-card,
  .page-home .route-svg .path{transition:none;}
}
<<<END>>>