.page-products{
  --product-ink:#0B1026;
  --product-navy-card:#142449;
  --product-pale:#DDE3F5;
  --product-yellow:#F59E0B;
  position:relative;
  background:var(--bg-space);
  color:var(--text-body);
  overflow-x:hidden;
}
.page-products [id]{
  scroll-margin-top:calc(var(--header-h) + 18px);
}
.page-products h1,
.page-products h2,
.page-products h3{
  font-family:var(--font-display);
  margin:0;
  line-height:1.08;
}
.page-products h1{
  font-size:clamp(40px,7vw,88px);
  font-weight:800;
  letter-spacing:-0.02em;
}
.page-products h2{
  font-size:clamp(28px,4vw,46px);
  font-weight:700;
}
.page-products h3{
  font-size:21px;
  font-weight:700;
}
.page-products p{
  margin:0;
  line-height:1.7;
}
.page-products .section-desc{
  color:var(--text-muted);
  font-size:15px;
  max-width:680px;
  margin-top:10px;
}
.page-products .section-index{
  color:var(--accent-cyan);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.14em;
  margin-bottom:12px;
}
.page-products .btn{
  border-radius:3px;
  text-decoration:none;
  transition:transform .2s var(--ease),background .2s ease,border-color .2s ease,color .2s ease;
}
.page-products .btn:hover,
.page-products .btn:focus-visible{
  transform:translateY(-2px);
}
.page-products .btn-outline{
  border-color:rgba(231,234,243,.3);
  color:var(--text-body);
}
.page-products .btn-outline:hover,
.page-products .btn-outline:focus-visible{
  border-color:var(--accent-cyan);
  color:var(--accent-cyan);
}
.page-products .grid-3{
  gap:16px;
}
.page-products .breadcrumbs{
  margin-bottom:30px;
}
.page-products .breadcrumbs a{
  color:var(--text-muted);
  text-decoration:none;
  transition:color .2s ease;
}
.page-products .breadcrumbs a:hover{
  color:var(--accent-cyan);
}
.page-products .breadcrumbs span{
  color:var(--text-muted);
}
.page-products .breadcrumbs span[aria-hidden="true"]{
  margin:0 8px;
  color:rgba(154,166,200,.45);
}

.dl-section{
  position:relative;
  padding:40px 0 60px;
}
.dl-section::before{
  content:"";
  position:absolute;
  top:6%;
  right:-12%;
  width:46%;
  height:74%;
  background:linear-gradient(135deg,rgba(124,92,191,.42),rgba(11,16,38,.4));
  transform:rotate(8deg);
  border-radius:36px;
  z-index:0;
  pointer-events:none;
}
.dl-section::after{
  content:"APP 7.0.3";
  position:absolute;
  right:-0.25rem;
  top:8px;
  font-family:var(--font-mono);
  font-size:clamp(60px,13vw,190px);
  font-weight:700;
  color:rgba(231,234,243,.055);
  letter-spacing:-0.05em;
  line-height:1;
  pointer-events:none;
  z-index:0;
}
.dl-grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:40px;
}
.dl-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:24px;
}
.dl-primary{
  position:relative;
  overflow:hidden;
}
.dl-primary::before{
  content:"$ 安装 v7.0.3";
  position:absolute;
  inset:0;
  background:var(--accent-cyan);
  color:var(--product-ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  clip-path:inset(0 100% 0 0);
  transition:clip-path .35s var(--ease);
  z-index:1;
}
.dl-primary:hover::before,
.dl-primary:focus-visible::before{
  clip-path:inset(0 0 0 0);
}
.terminal{
  background:#05081A;
  border:1px solid rgba(154,166,200,.25);
  border-radius:12px;
  font-family:var(--font-mono);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.terminal-bar{
  display:flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  background:rgba(255,255,255,.04);
  border-bottom:1px solid rgba(154,166,200,.2);
}
.term-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--jewel-wine);
}
.term-dot:nth-child(2){
  background:var(--warning-gold);
}
.term-dot:nth-child(3){
  background:var(--jewel-teal);
}
.term-title{
  margin-left:8px;
  color:var(--text-muted);
  font-size:12px;
  letter-spacing:.04em;
}
.terminal-body{
  padding:18px 16px 14px;
}
.cmd-line{
  margin:0 0 10px;
  font-size:13px;
  line-height:1.55;
  overflow-wrap:break-word;
}
.cmd-prompt{
  color:var(--accent-cyan);
  margin-right:8px;
}
.cmd-success{
  color:#A5F3E6;
}
.cmd-ok{
  color:var(--accent-cyan);
  margin-right:8px;
}
.cmd-more{
  color:var(--text-muted);
}
.dl-media{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.dl-media img{
  width:min(300px,100%);
  height:auto;
  border-radius:14px;
  border:1px solid rgba(154,166,200,.25);
}
.qr-wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.qr-visual{
  width:128px;
  height:128px;
  background-color:var(--inverse);
  background-image:radial-gradient(circle,#0B1026 2.4px,transparent 3px);
  background-size:18px 18px;
  border-radius:8px;
  position:relative;
  box-shadow:0 0 0 1px rgba(231,234,243,.2);
}
.qr-visual::before{
  content:"";
  position:absolute;
  top:14px;
  left:14px;
  width:22px;
  height:22px;
  border:5px solid #0B1026;
  border-radius:2px;
}
.qr-visual::after{
  content:"";
  position:absolute;
  bottom:14px;
  right:14px;
  width:22px;
  height:22px;
  border:5px solid transparent;
  border-radius:2px;
  box-shadow:-6px -6px 0 -3px #0B1026,6px 6px 0 -3px #0B1026;
}
.qr-caption{
  color:var(--text-muted);
  font-family:var(--font-mono);
  font-size:12px;
}

.desktop-section{
  position:relative;
  padding:60px 0 72px;
  background:linear-gradient(180deg,rgba(49,46,129,.22),transparent 70%);
}
.head-row{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.sync-status{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:24px;
}
.sync-track{
  flex:1;
  height:3px;
  background:rgba(154,166,200,.2);
  overflow:hidden;
  border-radius:2px;
}
.sync-fill{
  display:block;
  width:28%;
  height:100%;
  background:var(--accent-cyan);
  animation:product-sync 2.6s var(--ease) infinite;
}
@keyframes product-sync{
  0%{
    transform:translateX(-110%);
  }
  100%{
    transform:translateX(360%);
  }
}
.sync-text{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:.08em;
}
.desktop-frame{
  position:relative;
  margin-top:16px;
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(154,166,200,.2);
}
.desktop-frame img{
  width:100%;
  height:auto;
  display:block;
}
.desktop-frame::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent);
  top:0;
  animation:product-scan 4s linear infinite;
}
@keyframes product-scan{
  0%{
    top:0;
    opacity:.25;
  }
  50%{
    top:100%;
    opacity:.75;
  }
  100%{
    top:0;
    opacity:.25;
  }
}
.desktop-frame-tag{
  position:absolute;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-body);
  background:rgba(11,16,38,.8);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  padding:6px 10px;
  border-radius:3px;
}
.tag--top{
  top:14px;
  left:14px;
}
.tag--mid{
  top:50%;
  left:14px;
  transform:translateY(-50%);
}
.tag--bottom{
  bottom:14px;
  left:14px;
}
.desktop-points{
  display:grid;
  margin-top:28px;
}
.point-card{
  background:rgba(231,234,243,.05);
  border:1px solid rgba(154,166,200,.18);
  border-radius:4px;
  padding:24px;
  transition:border-color .2s ease,background .2s ease;
}
.point-card:hover{
  border-color:rgba(53,224,208,.4);
  background:rgba(231,234,243,.08);
}
.point-num{
  color:var(--accent-cyan);
  font-family:var(--font-mono);
  font-size:14px;
}
.point-card h3{
  margin:10px 0 8px;
}
.point-card p{
  color:var(--text-muted);
  font-size:14px;
}
.desktop-note{
  margin-top:24px;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:24px;
  border-left:3px solid var(--bg-purple);
  background:rgba(124,92,191,.12);
}
.desktop-note p{
  font-size:14px;
  color:var(--text-body);
  max-width:720px;
}

.categories-section{
  position:relative;
  padding:60px 0 72px;
}
.categories-section .container{
  position:relative;
  z-index:1;
}
.category-bg-visual{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.15;
  z-index:0;
  pointer-events:none;
}
.category-grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:20px;
  margin-top:40px;
}
.cat-card{
  background:var(--product-navy-card);
  border:1px solid rgba(231,234,243,.16);
  border-radius:12px;
  overflow:hidden;
  transform:rotate(-.6deg);
  transition:transform .25s var(--ease),border-color .25s ease;
}
.cat-card:nth-child(even){
  transform:rotate(1.1deg) translateY(10px);
}
.cat-card:hover{
  transform:rotate(0deg) translateY(-3px);
  border-color:rgba(53,224,208,.6);
}
.cat-card summary{
  list-style:none;
  cursor:pointer;
  padding:24px 22px 18px;
}
.cat-card summary::-webkit-details-marker{
  display:none;
}
.cat-code{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  color:rgba(231,234,243,.55);
  letter-spacing:.1em;
}
.cat-name{
  display:block;
  font-family:var(--font-display);
  font-size:32px;
  font-weight:700;
  margin-top:12px;
  color:var(--text-body);
}
.cat-freq{
  display:inline-flex;
  margin-top:14px;
  font-family:var(--font-mono);
  font-size:12px;
  background:rgba(255,255,255,.12);
  color:var(--text-body);
  padding:4px 8px;
  border-radius:2px;
}
.cat-panel{
  padding:6px 22px 20px;
  border-top:1px solid rgba(255,255,255,.1);
}
.cat-panel p{
  font-size:14px;
  margin:12px 0 0;
  color:var(--text-body);
}
.cat-link{
  display:inline-block;
  margin-top:12px;
  color:var(--accent-cyan);
  font-family:var(--font-mono);
  font-size:13px;
  text-decoration:none;
  border-bottom:1px solid rgba(53,224,208,.3);
  padding-bottom:2px;
  transition:border-color .2s ease;
}
.cat-link:hover{
  border-color:var(--accent-cyan);
}
.cat--teal{
  background:linear-gradient(150deg,#0F5F5E,#0F766E 30%,#0B5550);
}
.cat--wine{
  background:linear-gradient(150deg,#8E1A44,#9F1239 30%,#7B0F2F);
}
.cat--indigo{
  background:linear-gradient(150deg,#261F63,#312E81 30%,#171243);
}
.cat--purple{
  background:linear-gradient(150deg,#6A4BB5,#7C5CBF 30%,#4A348A);
}
.cat--cyan{
  background:linear-gradient(150deg,#1DD6C4,#35E0D0 30%,#0B9C90);
}
.cat--gold{
  background:linear-gradient(150deg,#D98C0B,#F59E0B 30%,#B87A0A);
}
.cat--light{
  background:linear-gradient(150deg,#E4E9F5,#F8FAFC 30%,#D5DCEE);
}
.cat--navy{
  background:linear-gradient(150deg,#0D1427,#142449 50%,#0A1020);
  border-color:rgba(53,224,208,.45);
}
.cat--cyan .cat-name,
.cat--cyan .cat-link,
.cat--gold .cat-name,
.cat--gold .cat-link,
.cat--light .cat-name,
.cat--light .cat-link{
  color:var(--product-ink);
}
.cat--cyan .cat-code,
.cat--gold .cat-code,
.cat--light .cat-code{
  color:rgba(11,16,38,.6);
}
.cat--cyan .cat-freq,
.cat--gold .cat-freq,
.cat--light .cat-freq{
  background:rgba(11,16,38,.18);
  color:var(--product-ink);
}
.cat--cyan .cat-panel,
.cat--gold .cat-panel,
.cat--light .cat-panel{
  border-top-color:rgba(11,16,38,.15);
}

.versions-section{
  padding:60px 0 72px;
  background:linear-gradient(180deg,#05081A,rgba(49,46,129,.28));
}
.versions-layout{
  display:grid;
  gap:32px;
  margin-top:36px;
}
.version-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.version-item{
  border:1px solid rgba(154,166,200,.2);
  border-radius:8px;
  padding:18px 20px;
  background:rgba(255,255,255,.02);
}
.version-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:10px;
}
.version-item summary::-webkit-details-marker{
  display:none;
}
.version-meta{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.version-status{
  background:rgba(154,166,200,.15);
  font-family:var(--font-mono);
  font-size:12px;
  padding:4px 10px;
  border-radius:20px;
  color:var(--text-muted);
}
.version-status.history{
  background:rgba(154,166,200,.12);
}
.is-current .version-status{
  background:rgba(53,224,208,.18);
  color:var(--accent-cyan);
}
.version-code{
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  color:var(--text-body);
}
.version-item summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--accent-cyan);
  transition:transform .2s var(--ease);
}
.version-item[open] summary::after{
  content:"-";
}
.version-changes{
  margin:14px 0 0;
  padding-left:18px;
  color:var(--text-muted);
}
.version-changes li{
  margin-bottom:6px;
  font-size:14px;
}
.version-visual img{
  width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid rgba(154,166,200,.16);
}

.req-section{
  padding:60px 0 72px;
}
.req-grid{
  display:grid;
  gap:16px;
  margin-top:32px;
}
.req-card{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(154,166,200,.2);
  border-top:3px solid var(--accent-cyan);
  border-radius:12px;
  padding:26px 24px;
}
.req-card:nth-child(2){
  border-top-color:var(--bg-purple);
}
.req-card:nth-child(3){
  border-top-color:var(--jewel-teal);
}
.req-card h3{
  margin:0;
  font-size:24px;
}
.req-card p{
  margin:8px 0 0;
  color:var(--text-muted);
  font-size:14px;
}
.req-visual{
  margin-top:28px;
  text-align:center;
}
.req-visual img{
  width:100%;
  max-width:640px;
  height:auto;
  border-radius:12px;
  border:1px solid rgba(154,166,200,.16);
}

.deploy-section{
  padding:0 0 72px;
}
.deploy-cta{
  padding:40px 28px;
  background:
    radial-gradient(900px 360px at 85% 0%,rgba(124,92,191,.32),transparent 70%),
    var(--bg-space);
  border:1px solid rgba(154,166,200,.2);
  border-radius:16px;
  position:relative;
  overflow:hidden;
}
.deploy-cta h2{
  margin-top:12px;
}
.deploy-cta p{
  color:var(--text-muted);
  max-width:720px;
  margin-top:10px;
}
.deploy-links{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:24px;
}

@media (min-width:768px){
  .dl-grid{
    grid-template-columns:minmax(0,6fr) minmax(0,5fr);
    align-items:center;
    gap:56px;
  }
  .dl-info{
    max-width:680px;
  }
  .desktop-points{
    grid-template-columns:repeat(3,1fr);
  }
  .desktop-note{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
  }
  .desktop-note p{
    margin:0;
  }
  .category-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .versions-layout{
    grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
    align-items:center;
  }
  .req-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .deploy-cta{
    padding:48px 44px;
  }
}

@media (min-width:1100px){
  .dl-grid{
    gap:72px;
  }
  .category-grid{
    grid-template-columns:repeat(4,1fr);
  }
  .head-row{
    flex-direction:row;
    justify-content:space-between;
    align-items:flex-end;
  }
  .head-row .section-desc{
    text-align:right;
    margin:0 0 4px 24px;
  }
}</main>