.page-products{
  --fit-surface:rgba(174,199,214,.07);
  --fit-surface-2:rgba(174,199,214,.14);
  --fit-green-soft:rgba(43,212,125,.12);
  --fit-gold-soft:rgba(245,192,74,.14);
  color:var(--ice);
  overflow-x:clip;
}

/* ---------- 首屏 ---------- */
.page-products .fit-hero{
  position:relative;
  padding-block:clamp(1.4rem,3vw,2.2rem) clamp(2.2rem,5vw,3.6rem);
  background:
    radial-gradient(120% 90% at 88% -10%,rgba(43,212,125,.16),transparent 58%),
    radial-gradient(90% 80% at -10% 10%,rgba(32,37,74,.95),transparent 62%),
    linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-block-end:1px solid var(--line);
}
.page-products .fit-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
  pointer-events:none;
}
.page-products .fit-hero__grid{
  display:grid;
  gap:clamp(1.6rem,4vw,3rem);
  align-items:start;
}
.page-products .fit-hero__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2.5rem,7.4vw,4.8rem);
  line-height:.98;
  letter-spacing:-.01em;
  margin:.55rem 0 1rem;
  text-wrap:balance;
}
.page-products .fit-hero__title span{color:var(--gold)}
.page-products .fit-hero__lead{
  max-width:56ch;
  font-size:clamp(1rem,1.6vw,1.125rem);
  color:var(--mist);
  line-height:1.75;
}
.page-products .fit-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top:1.3rem;
}
.page-products .fit-hero__stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:.6rem;
  margin:1.6rem 0 0;
  padding-top:1.1rem;
  border-top:1px solid var(--line);
}
.page-products .stat{margin:0}
.page-products .stat__k{
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--mist);
}
.page-products .stat__v{
  margin:.15rem 0 0;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(1.4rem,3.4vw,2rem);
  line-height:1;
  color:var(--gold);
}

/* ---------- 手机示意 ---------- */
.page-products .fit-hero__visual{display:grid;place-items:center}
.page-products .phone{
  position:relative;
  width:min(320px,100%);
  padding:12px;
  border-radius:38px;
  background:linear-gradient(165deg,var(--violet) 0%,var(--teal) 100%);
  border:1px solid var(--line-strong);
  box-shadow:0 30px 70px rgba(7,22,32,.55),inset 0 1px 0 rgba(245,247,242,.14);
}
.page-products .phone__screen{
  display:grid;
  gap:.75rem;
  padding:16px 14px 18px;
  border-radius:28px;
  background:var(--ink-deep);
  border:1px solid var(--line);
}
.page-products .phone__bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--mist);
}
.page-products .phone__brand{font-weight:600;color:var(--ice)}
.page-products .phone__tag{
  font-family:var(--font-mono);
  font-size:.68rem;
  padding:.15rem .5rem;
  border-radius:999px;
  border:1px solid rgba(245,192,74,.45);
  color:var(--gold);
}
.page-products .phone__heading{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.35rem;
  line-height:1;
  color:var(--ice);
}
.page-products .drawer{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.4rem;
}
.page-products .drawer__item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:.6rem;
  padding:.6rem .7rem;
  border-radius:12px;
  background:var(--fit-surface);
  border:1px solid var(--line);
  font-size:.9rem;
  color:var(--ice);
}
.page-products .drawer__item--on{
  background:var(--fit-green-soft);
  border-color:rgba(43,212,125,.45);
}
.page-products .drawer__idx{
  font-family:var(--font-mono);
  font-size:.72rem;
  color:var(--gold);
}
.page-products .drawer__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(121,224,193,.16);
}
.page-products .phone__hint{
  margin:0;
  font-size:.72rem;
  color:var(--mist);
  letter-spacing:.04em;
}

/* ---------- 章节通用 ---------- */
.page-products .section{padding-block:clamp(2.4rem,6vw,4.6rem)}
.page-products .section--tight{padding-block:clamp(2rem,4.6vw,3.4rem)}
.page-products .section__head{
  max-width:70ch;
  margin-bottom:clamp(1.4rem,3vw,2.4rem);
}
.page-products .section__title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.7rem,4.2vw,2.6rem);
  line-height:1.04;
  letter-spacing:-.005em;
  margin:.4rem 0 .7rem;
  color:var(--ice);
}
.page-products .section__note{
  margin:0;
  color:var(--mist);
  font-size:clamp(.98rem,1.5vw,1.06rem);
  line-height:1.75;
}
.page-products .link-inline{
  color:var(--green);
  text-decoration:none;
  border-bottom:1px solid rgba(43,212,125,.4);
}
.page-products .link-inline:hover{color:var(--gold);border-bottom-color:var(--gold)}

/* ---------- 第二屏总览 ---------- */
.page-products .overview{
  display:grid;
  gap:clamp(1.2rem,3vw,2rem);
}
.page-products .overview__panel{display:grid;gap:.65rem;align-content:start}
.page-products .group{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--fit-surface);
  overflow:hidden;
}
.page-products .group[open]{
  background:linear-gradient(180deg,var(--fit-surface-2),rgba(11,30,45,.6));
  border-color:var(--line-strong);
}
.page-products .group__sum{
  display:flex;
  align-items:center;
  gap:.7rem;
  padding:.85rem 1rem;
  cursor:pointer;
  list-style:none;
  font-weight:600;
  color:var(--ice);
}
.page-products .group__sum::-webkit-details-marker{display:none}
.page-products .group__sum:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.page-products .group__idx{
  font-family:var(--font-mono);
  font-size:.74rem;
  color:var(--gold);
}
.page-products .group__meta{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--mist);
  border:1px solid var(--line);
  border-radius:999px;
  padding:.1rem .55rem;
}
.page-products .group__list{
  list-style:none;
  margin:0;
  padding:0 1rem 1rem;
  display:grid;
  gap:.45rem;
  font-size:.94rem;
  line-height:1.65;
  color:var(--mist);
}
.page-products .group__list li{
  position:relative;
  padding-left:1rem;
}
.page-products .group__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.68em;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--mint);
}
.page-products .overview__figure,
.page-products .overview__wide,
.page-products .steps-figure,
.page-products .device-figure,
.page-products .breather__figure{
  margin:clamp(1.2rem,3vw,2rem) 0 0;
}
.page-products .overview__wide{margin-top:clamp(1.4rem,3vw,2.2rem)}

/* ---------- 图片容器 ---------- */
.page-products .img-frame{
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--line);
  background:var(--teal);
}
.page-products .img-frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-products .img-frame--tall img{aspect-ratio:3/4}
.page-products .img-frame--wide img{aspect-ratio:3/2}
.page-products .img-frame__cap{
  margin:.6rem 0 0;
  font-size:.84rem;
  line-height:1.6;
  color:var(--mist);
}

/* ---------- 四步清单 ---------- */
.page-products .steps-wrap{
  padding:clamp(1rem,2.6vw,1.6rem);
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,59,69,.55),rgba(11,30,45,.75));
}
.page-products .steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.75rem;
}
.page-products .step{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(7,22,32,.62);
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.page-products .step__label{
  display:grid;
  grid-template-columns:auto auto minmax(0,1fr);
  align-items:start;
  gap:.7rem;
  padding:.95rem 1rem;
  cursor:pointer;
}
.page-products .step__box{
  appearance:none;
  -webkit-appearance:none;
  flex:none;
  width:1.15rem;
  height:1.15rem;
  margin:.38rem 0 0;
  border:1.5px solid var(--line-strong);
  border-radius:5px;
  background:transparent;
  position:relative;
  cursor:pointer;
}
.page-products .step__box:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.page-products .step__box:checked{
  background:var(--green);
  border-color:var(--green);
}
.page-products .step__box:checked::after{
  content:"";
  position:absolute;
  left:5px;
  top:1px;
  width:5px;
  height:9px;
  border:solid var(--ink-deep);
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.page-products .step__num{
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--gold);
  padding-top:.32rem;
}
.page-products .step__title{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.15rem;
  line-height:1.15;
  letter-spacing:.01em;
  color:var(--ice);
}
.page-products .step__text{
  display:block;
  margin-top:.3rem;
  font-size:.94rem;
  line-height:1.7;
  color:var(--mist);
}
.page-products .step:has(.step__box:checked){
  border-color:rgba(43,212,125,.45);
  background:var(--fit-green-soft);
}
.page-products .steps__done{
  margin:.85rem 0 0;
  font-family:var(--font-mono);
  font-size:.8rem;
  color:var(--green);
  opacity:0;
  transform:translateY(-3px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.page-products .steps:not(:has(input:not(:checked))) + .steps__done{
  opacity:1;
  transform:none;
}
.page-products .steps__tools{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.7rem;
  margin-top:1.2rem;
  padding-top:1.1rem;
  border-top:1px solid var(--line);
}
.page-products .copy{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.55rem .9rem;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--ice);
  font-family:var(--font-body);
  font-size:.85rem;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.page-products .copy:hover{border-color:var(--gold);color:var(--gold)}
.page-products .copy[data-copied="ok"]{border-color:var(--green);color:var(--green)}
.page-products .copy[data-copied="fail"]{border-color:var(--orange);color:var(--orange)}
.page-products .copy__hint{font-size:.78rem;color:var(--mint)}
.page-products .copy[data-copied="ok"] .copy__hint{color:var(--green)}
.page-products .copy[data-copied="fail"] .copy__hint{color:var(--orange)}

/* ---------- 设备对照 ---------- */
.page-products .device-grid{
  display:grid;
  gap:.9rem;
}
.page-products .device{
  display:grid;
  gap:.5rem;
  padding:1.1rem 1.15rem;
  border-radius:18px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(32,37,74,.8),rgba(11,30,45,.92));
}
.page-products .device--wine{
  background:linear-gradient(180deg,rgba(91,31,43,.7),rgba(11,30,45,.94));
  border-color:rgba(245,192,74,.28);
}
.page-products .device__where{
  margin:0;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--gold);
}
.page-products .device__name{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.3rem;
  line-height:1.1;
  color:var(--ice);
}
.page-products .device__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.4rem;
  font-size:.93rem;
  line-height:1.65;
  color:var(--mist);
}
.page-products .device__list li{position:relative;padding-left:.95rem}
.page-products .device__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.66em;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--mint);
}

/* ---------- 权益路径 ---------- */
.page-products .rights{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.55rem;
}
.page-products .rights__row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:.3rem .8rem;
  padding:.85rem 1rem;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--fit-surface);
}
.page-products .rights__row:nth-child(odd){
  background:linear-gradient(90deg,var(--fit-gold-soft),rgba(11,30,45,.4));
}
.page-products .rights__k{
  font-family:var(--font-mono);
  font-size:.76rem;
  color:var(--gold);
  grid-row:1 / span 2;
  padding-top:.22rem;
}
.page-products .rights__n{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.08rem;
  line-height:1.2;
  color:var(--ice);
}
.page-products .rights__p{
  font-size:.9rem;
  line-height:1.6;
  color:var(--mist);
}
.page-products .rights__next{
  margin:1.3rem 0 0;
  padding:1rem 1.1rem;
  border-left:3px solid var(--orange);
  border-radius:0 12px 12px 0;
  background:rgba(255,122,69,.08);
  font-size:.95rem;
  line-height:1.7;
  color:var(--ice);
}

/* ---------- 场景筛选 ---------- */
.page-products .scenes__filters{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-bottom:1.2rem;
}
.page-products .scenes__chip{
  display:inline-block;
  padding:.45rem .9rem;
  border-radius:999px;
  border:1px solid var(--line-strong);
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.02em;
  color:var(--mist);
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.page-products .scenes__chip:hover{color:var(--ice);border-color:var(--mint)}
.page-products .scenes__radio:checked + .scenes__chip{
  background:var(--green);
  border-color:var(--green);
  color:var(--ink-deep);
  font-weight:600;
}
.page-products .scenes__radio:focus-visible + .scenes__chip{
  outline:2px solid var(--gold);
  outline-offset:2px;
}
.page-products .scenes__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.75rem;
}
.page-products .scene{
  display:grid;
  gap:.45rem;
  align-content:start;
  padding:1.05rem 1.1rem;
  border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(16,59,69,.7),rgba(11,30,45,.9));
}
.page-products .scene__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.12rem;
  line-height:1.2;
  color:var(--ice);
}
.page-products .scene__text{
  margin:0;
  font-size:.92rem;
  line-height:1.7;
  color:var(--mist);
}
.page-products .scenes:has(#scene-match:checked) .scene:not([data-scene~="match"]){display:none}
.page-products .scenes:has(#scene-daily:checked) .scene:not([data-scene~="daily"]){display:none}
.page-products .scenes:has(#scene-review:checked) .scene:not([data-scene~="review"]){display:none}
.page-products .scenes:has(#scene-new:checked) .scene:not([data-scene~="new"]){display:none}

/* ---------- 下一步 ---------- */
.page-products .next-step{
  display:grid;
  gap:1.2rem;
  padding:clamp(1.2rem,3vw,1.9rem);
  border-radius:20px;
  border:1px solid rgba(255,122,69,.35);
  background:
    radial-gradient(120% 120% at 100% 0%,rgba(255,122,69,.16),transparent 60%),
    linear-gradient(180deg,rgba(32,37,74,.85),rgba(11,30,45,.95));
}
.page-products .next-step__text{
  margin:0;
  font-size:.96rem;
  line-height:1.75;
  color:var(--mist);
}
.page-products .next-step__links{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  align-content:start;
}

/* ---------- 呼吸留白 ---------- */
.page-products .breather{padding-block:clamp(1.8rem,4vw,3rem)}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .page-products .device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-products .scenes__list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-products .rights__row{grid-template-columns:auto minmax(0,15rem) minmax(0,1fr);align-items:baseline}
  .page-products .rights__k{grid-row:auto}
}

@media (min-width:900px){
  .page-products .fit-hero__grid{
    grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
    align-items:center;
  }
  .page-products .overview{
    grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
    align-items:start;
  }
  .page-products .overview__wide{
    display:grid;
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    gap:1.2rem;
    align-items:center;
  }
  .page-products .overview__wide .img-frame__cap{margin:0}
  .page-products .steps-figure{
    display:grid;
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    gap:1.2rem;
    align-items:center;
  }
  .page-products .steps-figure .img-frame__cap{margin:0}
  .page-products .device-figure{
    display:grid;
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    gap:1.2rem;
    align-items:center;
  }
  .page-products .device-figure .img-frame__cap{margin:0}
  .page-products .breather__figure{
    display:grid;
    grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
    gap:1.3rem;
    align-items:end;
  }
  .page-products .breather__figure .img-frame__cap{margin:0 0 .4rem}
  .page-products .next-step{
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    align-items:center;
  }
  .page-products .next-step__links{justify-content:flex-end}
  .page-products .step:nth-child(even){margin-inline-start:clamp(.6rem,2vw,1.6rem)}
  .page-products .device:nth-child(even){transform:translateY(1.1rem)}
  .page-products .scene:nth-child(odd){border-color:rgba(245,192,74,.22)}
}

@media (min-width:1100px){
  .page-products .scenes__list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .page-products .scenes__list .scene:nth-child(1){grid-column:span 2}
}

@media (prefers-reduced-motion:reduce){
  .page-products .step,
  .page-products .copy,
  .page-products .scenes__chip,
  .page-products .steps__done{transition:none}
  .page-products .device:nth-child(even){transform:none}
}
<<<END>>>