.page-products{
  --pe-text-secondary:#6b7280;
  --pe-line-gold:rgba(212,175,55,.35);
  --pe-line-soft:rgba(212,175,55,.16);
}

/* 首屏下载入口 */
.page-products__hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(155deg,#0A1F44 0%,#16275C 52%,#1E3A8A 100%);
  color:#fff;
  padding:calc(var(--header-height-mobile) + 32px) 0 56px;
}
.page-products__hero::before{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  border:2px solid rgba(212,175,55,.18);
  border-radius:50%;
  top:-180px;
  right:-140px;
  pointer-events:none;
}
.page-products__hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(212,175,55,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(212,175,55,.05) 1px,transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
}
.page-products__hero .container{
  position:relative;
  z-index:2;
}
.page-products__hero .breadcrumb{
  margin-bottom:36px;
}
.page-products__download{
  display:grid;
  gap:36px;
  align-items:center;
}
.page-products__phone{
  max-width:280px;
  margin-inline:auto;
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(4,12,32,.55),0 0 0 1px rgba(212,175,55,.28);
}
.page-products__phone img{
  display:block;
  width:100%;
  height:auto;
}
.page-products__info{
  text-align:center;
}
.page-products__info .section-label{
  justify-content:center;
}
.page-products__info h1{
  font-family:var(--font-title);
  font-size:var(--size-h1);
  line-height:1.2;
  margin:14px 0 16px;
  color:#fff;
}
.page-products__lead{
  color:rgba(255,255,255,.85);
  font-size:var(--size-body);
  line-height:1.8;
  max-width:560px;
  margin:0 auto;
}
.page-products__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:30px;
}
.page-products__btn{
  padding:14px 30px;
  font-size:1rem;
  min-width:170px;
}
.page-products__version{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  margin-top:20px;
}
.page-products__note{
  margin:18px auto 0;
  max-width:520px;
  font-size:.95rem;
  line-height:1.7;
  color:rgba(255,255,255,.62);
}
.page-products__qr-wrap{
  display:inline-flex;
  align-items:center;
  gap:16px;
  margin-top:26px;
  padding:12px 18px;
  border:1px solid rgba(212,175,55,.4);
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(4px);
}
.page-products__qr-mark{
  width:64px;
  height:64px;
  flex-shrink:0;
  border-radius:6px;
}
.page-products__qr-title{
  font-size:.95rem;
  font-weight:700;
  margin:0 0 4px;
  color:#fff;
}
.page-products__qr-sub{
  font-size:.82rem;
  margin:0;
  color:rgba(255,255,255,.55);
}

/* 六类产品线 */
.page-products__lines{
  background:var(--color-cloud);
  padding:72px 0;
}
.page-products__section-head{
  text-align:center;
  max-width:720px;
  margin:0 auto;
}
.page-products__section-head .section-label{
  justify-content:center;
}
.page-products__section-head h2{
  font-family:var(--font-title);
  font-size:var(--size-h2);
  line-height:1.2;
  color:var(--color-deep-blue);
  margin:12px 0 12px;
}
.page-products__section-head p{
  color:var(--pe-text-secondary);
  line-height:1.8;
}
.page-products__tree-wrap{
  position:relative;
  margin:42px 0 10px;
}
.page-products__tree-img{
  display:block;
  width:100%;
  max-width:800px;
  height:auto;
  margin:0 auto;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.page-products__tree-wrap::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-18px;
  width:2px;
  height:28px;
  background:var(--gradient-gold);
  transform:translateX(-50%);
  border-radius:2px;
}
.page-products__line-grid{
  display:grid;
  gap:18px;
  margin-top:34px;
}
.page-products__line-card{
  background:var(--color-white);
  border:1px solid var(--pe-line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
}
.page-products__line-card:hover,
.page-products__line-card:focus-within{
  transform:translateY(-4px);
  border-color:var(--pe-line-gold);
  box-shadow:0 18px 36px rgba(10,31,68,.12);
}
.page-products__line-card summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-weight:600;
}
.page-products__line-card summary::-webkit-details-marker{
  display:none;
}
.page-products__line-card summary::marker{
  display:none;
}
.page-products__line-card[open] summary{
  border-bottom:1px dashed var(--pe-line-soft);
}
.page-products__line-code{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  flex-shrink:0;
  border-radius:50%;
  background:var(--gradient-gold);
  color:var(--color-deep-blue);
  font-family:var(--font-mono);
  font-weight:700;
  font-size:1.15rem;
}
.page-products__line-name{
  flex:1;
  font-family:var(--font-title);
  font-size:1.15rem;
  color:var(--color-deep-blue);
}
.page-products__line-card p{
  margin:0;
  padding:16px 20px 20px;
  font-size:.95rem;
  line-height:1.75;
  color:var(--pe-text-secondary);
}

/* 版本历史 */
.page-products__history{
  background:linear-gradient(180deg,var(--color-white) 0%,var(--color-cloud) 100%);
  padding:72px 0;
}
.page-products__history-inner{
  display:grid;
  gap:44px;
}
.page-products__history-intro h2{
  font-family:var(--font-title);
  font-size:var(--size-h2);
  line-height:1.2;
  color:var(--color-deep-blue);
  margin:12px 0 18px;
}
.page-products__history-intro>p:last-child{
  color:var(--pe-text-secondary);
  line-height:1.8;
  max-width:520px;
}
.page-products__history-img{
  display:block;
  width:100%;
  max-width:400px;
  height:auto;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  margin-bottom:4px;
}
.page-products__timeline{
  list-style:none;
  margin:0;
  padding:8px 0 0;
  position:relative;
  max-width:640px;
}
.page-products__timeline::before{
  content:"";
  position:absolute;
  left:10px;
  top:12px;
  bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--color-gold-light),var(--color-gold));
  border-radius:2px;
}
.page-products__timeline-item{
  position:relative;
  padding:0 0 34px 44px;
}
.page-products__timeline-item:last-child{
  padding-bottom:0;
}
.page-products__timeline-item::before{
  content:"";
  position:absolute;
  left:1px;
  top:6px;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--gradient-gold);
  border:3px solid var(--color-white);
  box-shadow:0 2px 10px rgba(212,175,55,.45);
}
.page-products__timeline-version{
  display:inline-block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:1rem;
  color:var(--color-deep-blue);
  background:var(--gradient-gold);
  border-radius:var(--radius-pill);
  padding:4px 14px;
  margin-bottom:8px;
}
.page-products__timeline-item h3{
  font-family:var(--font-title);
  font-size:1.3rem;
  color:var(--color-deep-blue);
  margin:0 0 8px;
}
.page-products__timeline-item p{
  margin:0;
  color:var(--pe-text-secondary);
  line-height:1.75;
  font-size:.98rem;
}

/* 系统要求 */
.page-products__req{
  background:linear-gradient(150deg,var(--color-deep-blue) 0%,var(--color-gem-blue) 100%);
  color:var(--color-white);
  padding:72px 0;
}
.page-products__req-head{
  display:grid;
  gap:24px;
  align-items:center;
  margin-bottom:32px;
}
.page-products__req-head .section-label{
  justify-content:flex-start;
  color:var(--color-gold);
}
.page-products__req-head h2{
  font-family:var(--font-title);
  font-size:var(--size-h2);
  line-height:1.2;
  margin:12px 0 0;
  color:var(--color-white);
}
.page-products__req-img{
  display:block;
  width:100%;
  max-width:600px;
  height:auto;
  border-radius:var(--radius-lg);
  border:1px solid rgba(212,175,55,.28);
}
.page-products__req-grid{
  display:grid;
  gap:18px;
}
.page-products__req-item{
  text-align:center;
  padding:32px 20px 28px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(212,175,55,.3);
  transition:transform var(--transition),background var(--transition);
}
.page-products__req-item:hover{
  transform:translateY(-6px);
  background:rgba(255,255,255,.13);
}
.page-products__req-icon{
  width:56px;
  height:56px;
  display:block;
  margin:0 auto 14px;
}
.page-products__req-item h3{
  font-family:var(--font-title);
  font-size:1.3rem;
  margin:0 0 12px;
  color:var(--color-white);
}
.page-products__req-item ul{
  list-style:none;
  margin:0;
  padding:0;
}
.page-products__req-item li{
  font-size:.95rem;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.page-products__req-item li::before{
  content:"·";
  color:var(--color-gold);
  font-weight:700;
  margin-right:6px;
}

/* 底部横幅 */
.page-products__banner{
  background:var(--color-deep-blue);
  text-align:center;
  padding:48px 0;
}
.page-products__banner-img{
  display:block;
  width:100%;
  height:200px;
  object-fit:cover;
  border-radius:var(--radius-lg);
  border:1px solid rgba(212,175,55,.2);
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.page-products__banner p{
  font-family:var(--font-title);
  font-size:clamp(1.2rem,2vw,1.6rem);
  line-height:1.5;
  color:var(--color-white);
  max-width:720px;
  margin:28px auto 22px;
}
.page-products__banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}

/* 平板与桌面响应式 */
@media (min-width:768px){
  .page-products__download{
    grid-template-columns:280px 1fr;
    gap:48px;
    text-align:left;
  }
  .page-products__info{
    text-align:left;
  }
  .page-products__info .section-label,
  .page-products__actions,
  .page-products__version{
    justify-content:flex-start;
  }
  .page-products__lead{
    margin:0;
  }
  .page-products__note{
    margin-left:0;
    margin-right:0;
  }
  .page-products__line-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .page-products__req-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products__req-head{
    grid-template-columns:1fr 1fr;
  }
  .page-products__req-head .section-label{
    justify-content:flex-start;
  }
  .page-products__history-inner{
    grid-template-columns:360px 1fr;
    gap:60px;
    align-items:start;
  }
}

@media (min-width:1080px){
  .page-products__line-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products__download{
    grid-template-columns:320px 1fr;
    gap:72px;
  }
  .page-products__hero{
    padding:calc(var(--header-height) + 48px) 0 80px;
  }
  .page-products__phone{
    max-width:320px;
  }
}