/* ===== 版本与功能页 /product/ ===== */
.page-products{
  --pv-line: rgba(226,215,195,0.14);
  --pv-line-strong: rgba(226,215,195,0.26);
  --pv-line-ink: rgba(20,17,14,0.16);
  --pv-soft: rgba(245,239,227,0.72);
  --pv-soft-dim: rgba(245,239,227,0.56);
}

/* --- 通用排版 --- */
.page-products .pv-h2{
  margin:0 0 18px;
  font-size:clamp(1.7rem,4.6vw,2.45rem);
  line-height:1.16;
  letter-spacing:-.02em;
  font-weight:800;
}
.page-products .pv-h2--sm{
  font-size:clamp(1.35rem,3.4vw,1.75rem);
}
.page-products .pv-sub{
  max-width:38em;
  margin:0 0 44px;
  font-size:.9375rem;
  line-height:1.85;
  color:var(--pv-soft);
}
.page-products .pv-body{
  max-width:37em;
  margin:0 0 18px;
  font-size:.9375rem;
  line-height:1.85;
  color:rgba(20,17,14,0.78);
}
.page-products .pv-body--dark{
  color:var(--pv-soft);
}
.page-products .eyebrow{
  display:block;
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.18em;
  text-transform:none;
  color:var(--warm-gray-500);
}
.page-products .section--ink .eyebrow,
.page-products .pv-hero .eyebrow{
  color:var(--orange-500);
}

/* --- 首屏 --- */
.page-products .pv-hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(120% 90% at 82% 12%, rgba(46,107,255,0.16) 0%, rgba(15,13,11,0) 58%),
    var(--ink-950);
}
.page-products .pv-hero::before{
  content:"";
  position:absolute;
  top:0;
  right:-70px;
  width:260px;
  height:100%;
  background:repeating-linear-gradient(115deg, rgba(255,106,26,0.10) 0 2px, transparent 2px 14px);
  pointer-events:none;
}
.page-products .pv-hero__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
.page-products .pv-hero h1{
  margin:0 0 22px;
  font-size:clamp(1.95rem,6.2vw,3.4rem);
  line-height:1.06;
  letter-spacing:-.02em;
  font-weight:800;
  color:var(--cream-050);
}
.page-products .pv-hero__lede{
  max-width:36em;
  margin:0;
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--pv-soft);
}
.page-products .pv-hero__tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:28px 0 0;
  padding:0;
  list-style:none;
}
.page-products .pv-hero__figure{
  margin:0;
}
.page-products .pv-hero__figure img{
  display:block;
  width:100%;
  height:auto;
  clip-path:polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 34px 100%, 0 calc(100% - 34px));
}

/* --- 三块功能总览 --- */
.page-products .pv-caps-sec{
  background:var(--ink-950);
}
.page-products .pv-caps{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:var(--pv-line);
  border-top:1px solid var(--pv-line);
  border-bottom:1px solid var(--pv-line);
}
.page-products .pv-cap{
  position:relative;
  padding:32px 0;
  background:var(--ink-950);
}
.page-products .pv-cap__icon{
  display:block;
  width:42px;
  height:42px;
  margin-bottom:20px;
  color:var(--orange-500);
}
.page-products .pv-cap__icon--blue{
  color:var(--blue-500);
}
.page-products .pv-cap__icon--cream{
  color:var(--cream-050);
}
.page-products .pv-cap__idx{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--warm-gray-500);
}
.page-products .pv-cap__title{
  margin:0 0 12px;
  font-size:1.2rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--cream-050);
}
.page-products .pv-cap__text{
  margin:0;
  font-size:.9375rem;
  line-height:1.85;
  color:var(--pv-soft);
}
.page-products .pv-cap__fact{
  display:block;
  margin-top:18px;
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--neon-400);
}

/* --- 更新前后对照 --- */
.page-products .pv-compare-sec{
  background:var(--ink-800);
}
.page-products .pv-compare{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:var(--pv-line-strong);
}
.page-products .pv-compare__col{
  position:relative;
  padding:30px 22px 34px;
}
.page-products .pv-compare__col--before{
  background:var(--ink-950);
}
.page-products .pv-compare__col--after{
  background:var(--cream-050);
}
.page-products .pv-compare__head{
  margin:0 0 24px;
}
.page-products .pv-compare__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:26px;
}
.page-products .pv-compare__item{
  display:grid;
  grid-template-columns:30px 1fr;
  gap:12px;
}
.page-products .pv-compare__num{
  padding-top:3px;
  font-family:var(--font-mono);
  font-size:.75rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.1em;
  color:var(--warm-gray-500);
}
.page-products .pv-compare__col--after .pv-compare__num{
  color:var(--orange-600);
}
.page-products .pv-compare__item-title{
  margin:0 0 8px;
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--cream-050);
}
.page-products .pv-compare__col--after .pv-compare__item-title{
  color:var(--text-900);
}
.page-products .pv-compare__item p{
  margin:0;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--pv-soft);
}
.page-products .pv-compare__col--after .pv-compare__item p{
  color:rgba(20,17,14,0.76);
}

/* --- 登录链路 --- */
.page-products .pv-login-sec{
  background:var(--cream-050);
}
.page-products .pv-asym{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
.page-products .pv-steps{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:pvstep;
}
.page-products .pv-step{
  position:relative;
  padding:20px 0 20px 56px;
  border-top:1px solid var(--pv-line-ink);
  counter-increment:pvstep;
}
.page-products .pv-step:last-child{
  border-bottom:1px solid var(--pv-line-ink);
}
.page-products .pv-step::before{
  content:counter(pvstep,decimal-leading-zero);
  position:absolute;
  left:0;
  top:22px;
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.1em;
  color:var(--orange-600);
}
.page-products .pv-step__title{
  margin:0 0 6px;
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-900);
}
.page-products .pv-step p{
  margin:0;
  font-size:.9375rem;
  line-height:1.8;
  color:rgba(20,17,14,0.74);
}

/* --- 小屏适配 --- */
.page-products .pv-screen-sec{
  background:var(--ink-950);
}
.page-products .pv-screens{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.page-products .pv-screens__tall,
.page-products .pv-screens__wide{
  margin:0;
}
.page-products .pv-screens__tall img,
.page-products .pv-screens__wide img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  clip-path:polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.page-products .pv-screens__copy{
  display:grid;
  gap:22px;
  align-content:start;
}
.page-products .pv-screens__wide img{
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

/* --- 联赛专题加载 --- */
.page-products .pv-load-sec{
  background:var(--ink-800);
}
.page-products .pv-load{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  align-items:start;
}
.page-products .pv-load__copy{
  position:relative;
  padding-left:20px;
}
.page-products .pv-load__copy::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:3px;
  background:linear-gradient(180deg, var(--blue-500) 0%, var(--orange-500) 100%);
}
.page-products .pv-load__fact{
  display:inline-block;
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--blue-500);
}
.page-products .pv-load__figure{
  margin:0;
}
.page-products .pv-load__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-products .pv-load__figure .media-frame__cap{
  margin-top:12px;
  font-size:.8125rem;
  line-height:1.7;
  color:var(--pv-soft-dim);
}

/* --- 历史数据 --- */
.page-products .pv-history-sec{
  background:var(--cream-050);
}
.page-products .pv-dims{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  margin-top:32px;
  background:var(--pv-line-ink);
  border-top:1px solid var(--pv-line-ink);
  border-bottom:1px solid var(--pv-line-ink);
}
.page-products .pv-dim{
  padding:26px 0 24px;
  background:var(--cream-050);
}
.page-products .pv-dim__idx{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--orange-600);
}
.page-products .pv-dim__title{
  margin:0 0 10px;
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-900);
}
.page-products .pv-dim p{
  margin:0 0 12px;
  font-size:.9375rem;
  line-height:1.8;
  color:rgba(20,17,14,0.74);
}
.page-products .pv-dim__meta{
  display:block;
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--blue-800);
}

/* --- 版本轨道 --- */
.page-products .pv-track-sec{
  background:var(--ink-950);
}
.page-products .pv-track__figure{
  margin:0 0 44px;
}
.page-products .pv-track__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-products .pv-track{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}
.page-products .pv-node{
  border-top:1px solid var(--pv-line);
}
.page-products .pv-node:last-child{
  border-bottom:1px solid var(--pv-line);
}
.page-products .pv-node__head{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:20px 0;
  cursor:pointer;
  list-style:none;
  position:relative;
}
.page-products .pv-node__head::-webkit-details-marker{
  display:none;
}
.page-products .pv-node__head::before{
  content:"";
  width:8px;
  height:8px;
  flex:0 0 auto;
  background:var(--orange-500);
  transform:translateY(-1px);
}
.page-products .pv-node[open] .pv-node__head::before{
  background:var(--neon-400);
}
.page-products .pv-node__ver{
  font-family:var(--font-mono);
  font-size:.9375rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--cream-050);
}
.page-products .pv-node__year{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
  color:var(--warm-gray-500);
}
.page-products .pv-node__body{
  margin:0;
  padding:0 0 24px 22px;
  font-size:.9375rem;
  line-height:1.85;
  color:var(--pv-soft);
  max-width:40em;
}

/* --- 设备与安装 --- */
.page-products .pv-device-sec{
  background:var(--cream-050);
}
.page-products .pv-specs{
  margin:26px 0 0;
  padding:0;
  border-top:1px solid var(--pv-line-ink);
}
.page-products .pv-spec{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
  border-bottom:1px solid var(--pv-line-ink);
}
.page-products .pv-spec dt{
  font-size:.9375rem;
  color:rgba(20,17,14,0.72);
}
.page-products .pv-spec dd{
  margin:0;
  font-size:.875rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--text-900);
  text-align:right;
}
.page-products .pv-install{
  margin:26px 0 0;
  padding:0;
  list-style:none;
}
.page-products .pv-install__item{
  position:relative;
  padding:18px 0 18px 22px;
  border-top:1px solid var(--pv-line-ink);
}
.page-products .pv-install__item:last-child{
  border-bottom:1px solid var(--pv-line-ink);
}
.page-products .pv-install__item::before{
  content:"";
  position:absolute;
  left:0;
  top:26px;
  width:8px;
  height:2px;
  background:var(--orange-600);
}
.page-products .pv-install__item h3{
  margin:0 0 6px;
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-900);
}
.page-products .pv-install__item p{
  margin:0;
  font-size:.9375rem;
  line-height:1.8;
  color:rgba(20,17,14,0.74);
}

/* --- 自助排查 --- */
.page-products .pv-fix-sec{
  background:var(--ink-950);
}
.page-products .pv-folds{
  margin:0 0 40px;
  border-bottom:1px solid var(--pv-line);
}
.page-products .pv-fold{
  border-top:1px solid var(--pv-line);
}
.page-products .pv-fold summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  cursor:pointer;
  list-style:none;
  font-size:1rem;
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--cream-050);
}
.page-products .pv-fold summary::-webkit-details-marker{
  display:none;
}
.page-products .pv-fold summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:1.125rem;
  line-height:1;
  color:var(--orange-500);
}
.page-products .pv-fold[open] summary::after{
  content:"−";
  color:var(--neon-400);
}
.page-products .pv-fold__body{
  padding:0 0 24px;
  max-width:42em;
}
.page-products .pv-fold__body p{
  margin:0;
  font-size:.9375rem;
  line-height:1.85;
  color:var(--pv-soft);
}
.page-products .pv-fix__links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* --- 延伸阅读 --- */
.page-products .pv-next{
  background:var(--ink-800);
}
.page-products .pv-next__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
.page-products .pv-next__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:24px;
}
.page-products .pv-next__list li{
  padding-top:18px;
  border-top:1px solid var(--pv-line);
}
.page-products .pv-next__list .link-more{
  display:inline-block;
  margin-bottom:8px;
  font-size:1rem;
  font-weight:600;
  letter-spacing:-.01em;
}
.page-products .pv-next__list p{
  margin:0;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--pv-soft);
}

/* --- 响应式 --- */
@media (min-width:640px){
  .page-products .pv-compare__col{
    padding:36px 30px 40px;
  }
  .page-products .pv-caps{
    border-left:1px solid var(--pv-line);
    border-right:1px solid var(--pv-line);
  }
}

@media (min-width:900px){
  .page-products .pv-hero__grid{
    grid-template-columns:1.05fr .95fr;
    gap:60px;
  }
  .page-products .pv-caps{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products .pv-cap{
    padding:38px 30px 34px;
  }
  .page-products .pv-cap:first-child{
    padding-left:0;
  }
  .page-products .pv-cap:last-child{
    padding-right:0;
  }
  .page-products .pv-compare{
    grid-template-columns:1fr 1fr;
    gap:0;
  }
  .page-products .pv-compare__col--before::after{
    content:"";
    position:absolute;
    top:0;
    right:0;
    bottom:0;
    width:10px;
    background:repeating-linear-gradient(135deg, var(--orange-500) 0 2px, transparent 2px 7px);
    pointer-events:none;
  }
  .page-products .pv-asym{
    grid-template-columns:.92fr 1.08fr;
    gap:64px;
  }
  .page-products .pv-asym--device{
    grid-template-columns:.85fr 1.15fr;
  }
  .page-products .pv-screens{
    grid-template-columns:.8fr 1.2fr;
    gap:56px;
    align-items:start;
  }
  .page-products .pv-load{
    grid-template-columns:1fr 1fr;
    gap:56px;
    align-items:center;
  }
  .page-products .pv-dims{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products .pv-dim{
    padding:30px 28px 28px;
  }
  .page-products .pv-dim:first-child{
    padding-left:0;
  }
  .page-products .pv-dim:last-child{
    padding-right:0;
  }
  .page-products .pv-track{
    grid-template-columns:repeat(5,1fr);
    gap:0;
  }
  .page-products .pv-node{
    border-top:2px solid var(--pv-line-strong);
    border-bottom:0;
    padding-right:20px;
  }
  .page-products .pv-node:last-child{
    border-bottom:0;
    padding-right:0;
  }
  .page-products .pv-node__head{
    flex-wrap:wrap;
    gap:8px;
    padding:22px 0 16px;
  }
  .page-products .pv-node__year{
    margin-left:0;
  }
  .page-products .pv-node__body{
    padding:0 0 22px 22px;
  }
  .page-products .pv-next__grid{
    grid-template-columns:.8fr 1.2fr;
    gap:56px;
  }
}

@media (min-width:1180px){
  .page-products .pv-hero__grid{
    gap:80px;
  }
  .page-products .pv-compare__col{
    padding:44px 40px 48px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products *{
    transition:none !important;
    animation:none !important;
  }
}
</main>