.page-products{
  --pp-line: rgba(157,178,196,.3);
  --pp-line-ink: rgba(30,23,20,.14);
  --pp-radius: 22px 8px 22px 8px;
  --pp-ink-read: rgba(244,235,221,.86);
  --pp-ink-mute: rgba(244,235,221,.68);
  background: var(--space);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .pp-coord{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .9rem;
  font-size: var(--fs-note);
  letter-spacing: .14em;
  color: var(--cyan);
}
.page-products .pp-coord--light{ color: var(--amber); }
.page-products .pp-coord__dot{
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255,90,31,.18);
  flex: 0 0 auto;
}

.page-products .pp-figure{ margin: 0; }
.page-products .pp-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--pp-radius);
  border: 1px solid var(--pp-line);
  object-fit: cover;
}
.page-products .pp-figure figcaption{
  margin-top: .7rem;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero{
  position: relative;
  padding: clamp(1.1rem,3vw,2rem) 0 clamp(2.6rem,6vw,5rem);
  background:
    radial-gradient(circle at 84% 8%, rgba(56,225,214,.16), transparent 46%),
    linear-gradient(180deg, var(--space) 0%, var(--night) 100%);
  overflow: hidden;
}
.page-products .pp-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(157,178,196,.085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157,178,196,.085) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 76%);
  pointer-events: none;
}
.page-products .pp-hero .container{ position: relative; }
.page-products .pp-hero .breadcrumbs{ color: var(--mist); }
.page-products .pp-hero .breadcrumbs__link{ color: var(--cyan); }

.page-products .pp-hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem,4vw,3rem);
  align-items: end;
  margin-top: clamp(1.2rem,4vw,2.4rem);
}
.page-products .pp-hero__title{
  margin: 0 0 1rem;
  font-size: clamp(2.05rem,7vw,4.4rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--cyan-white);
  text-wrap: balance;
}
.page-products .pp-hero__lead{
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--pp-ink-read);
}
.page-products .pp-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 1.5rem 0 1.6rem;
}
.page-products .pp-hero__facts{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .9rem 2rem;
  margin: 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--pp-line);
}
.page-products .pp-hero__facts li{
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.page-products .pp-hero__fk{
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-products .pp-hero__fv{
  font-family: var(--font-num);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--cyan);
}
.page-products .pp-hero__figure img{
  border-radius: 26px 8px 26px 8px;
  box-shadow: var(--shadow-lift);
}

/* ---------- 安装前对照 ---------- */
.page-products .pp-check{
  background: var(--paper);
  color: var(--ink);
}
.page-products .pp-check .section-head__title{ color: var(--ink); }
.page-products .pp-check .section-head__note{ color: var(--ink-soft); }
.page-products .pp-check__figure{
  margin: clamp(1.2rem,3vw,2rem) 0 clamp(1.2rem,3vw,1.8rem);
}
.page-products .pp-check__figure img{
  border: 1px solid var(--pp-line-ink);
  background: var(--paper-2);
}
.page-products .pp-check__figure figcaption{ color: var(--ink-mute); }

.page-products .pp-tableWrap{
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-line-ink);
  border-radius: 18px 6px 18px 6px;
  background: var(--paper-2);
}
.page-products .pp-table{
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .93rem;
  color: var(--ink);
}
.page-products .pp-table thead th{
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--space);
  color: var(--paper);
  text-align: left;
  padding: .85rem 1rem;
  font-size: .76rem;
  letter-spacing: .14em;
  font-weight: 600;
  white-space: nowrap;
}
.page-products .pp-table tbody th,
.page-products .pp-table tbody td{
  padding: .9rem 1rem;
  border-bottom: 1px solid rgba(30,23,20,.1);
  vertical-align: top;
  line-height: 1.7;
}
.page-products .pp-table tbody th{
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  width: 26%;
}
.page-products .pp-table tbody td{ color: var(--ink-soft); }
.page-products .pp-table tbody tr:nth-child(even){ background: rgba(30,23,20,.035); }
.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td{ border-bottom: 0; }

.page-products .pp-check__note{
  margin: 1.1rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--brick);
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 步骤 ---------- */
.page-products .pp-steps-sec{
  position: relative;
  padding: clamp(2.8rem,6vw,5.5rem) 0;
  background: var(--space);
  color: var(--paper);
}
.page-products .pp-steps-sec .section-head__title{ color: var(--paper); }
.page-products .pp-steps-sec .section-head__note{ color: var(--pp-ink-mute); }
.page-products .pp-steps__figure{
  margin: clamp(1.2rem,3vw,2rem) 0 clamp(1.4rem,3.5vw,2.4rem);
}

.page-products .pp-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(.85rem,2vw,1.2rem);
}
.page-products .pp-step{
  border: 1px solid var(--pp-line);
  border-radius: var(--pp-radius);
  background: rgba(244,235,221,.045);
  overflow: hidden;
  transition: background .25s ease, border-color .25s ease;
}
.page-products .pp-step[open]{
  background: rgba(244,235,221,.085);
  border-color: rgba(56,225,214,.45);
}
.page-products .pp-step__head{
  display: flex;
  align-items: center;
  gap: clamp(.7rem,2.5vw,1.5rem);
  padding: clamp(.9rem,2.5vw,1.35rem) clamp(1rem,3vw,1.6rem);
  cursor: pointer;
  list-style: none;
}
.page-products .pp-step__head::-webkit-details-marker{ display: none; }
.page-products .pp-step__num{
  flex: 0 0 auto;
  min-width: 2ch;
  font-family: var(--font-num);
  font-size: clamp(2.3rem,8vw,4.2rem);
  line-height: .9;
  letter-spacing: -.03em;
  color: rgba(255,90,31,.5);
  transition: color .25s ease;
}
.page-products .pp-step[open] .pp-step__num{ color: var(--orange); }
.page-products .pp-step__text{
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.page-products .pp-step__title{
  font-size: clamp(1.02rem,2.4vw,1.28rem);
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}
.page-products .pp-step__hint{
  font-size: var(--fs-note);
  color: var(--mist);
}
.page-products .pp-step__body{
  padding: 0 clamp(1rem,3vw,1.6rem) clamp(1.1rem,3vw,1.6rem);
}
.page-products .pp-step__body p{
  margin: 0 0 .8rem;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--pp-ink-read);
}
.page-products .pp-step__list{
  margin: 0;
  padding-left: 1.1rem;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--pp-ink-mute);
}
.page-products .pp-step__list li + li{ margin-top: .35rem; }

/* ---------- 换设备 ---------- */
.page-products .pp-switch{
  background: var(--night);
  color: var(--paper);
  padding: clamp(2.6rem,6vw,5rem) 0;
}
.page-products .pp-switch__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem,4vw,3rem);
  align-items: center;
}
.page-products .pp-switch__title{
  margin: 0 0 .9rem;
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-products .pp-switch__lead{
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--pp-ink-read);
}
.page-products .pp-switch__list{
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}
.page-products .pp-switch__list li{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .8rem;
  align-items: start;
  padding-top: .9rem;
  border-top: 1px solid var(--pp-line);
  font-size: .97rem;
  line-height: 1.8;
  color: var(--pp-ink-read);
}
.page-products .pp-switch__key{
  font-family: var(--font-num);
  font-size: 1rem;
  color: var(--amber);
  line-height: 1.4;
}
.page-products .pp-switch__more{
  margin: 1.2rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--mist);
}
.page-products .pp-switch__more a{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本信息 ---------- */
.page-products .pp-version{
  background: var(--paper);
  color: var(--ink);
  padding: clamp(2.6rem,6vw,5rem) 0;
}
.page-products .pp-version .section-head__title{ color: var(--ink); }
.page-products .pp-version .section-head__note{ color: var(--ink-soft); }
.page-products .pp-dials{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: clamp(.6rem,2vw,1rem);
  margin-top: clamp(1.2rem,3vw,2rem);
}
.page-products .pp-dial{
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1rem 1.1rem 1.15rem;
  background: var(--paper-2);
  border: 1px solid var(--pp-line-ink);
  border-radius: 14px 4px 14px 4px;
}
.page-products .pp-dial__key{
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ink-mute);
}
.page-products .pp-dial__val{
  font-family: var(--font-num);
  font-size: clamp(1.25rem,3vw,1.65rem);
  line-height: 1.15;
  color: var(--ink);
}
.page-products .pp-dial--accent{
  background: var(--space);
  border-color: var(--space);
}
.page-products .pp-dial--accent .pp-dial__key{ color: var(--mist); }
.page-products .pp-dial--accent .pp-dial__val{ color: var(--cyan); }
.page-products .pp-dial .copy-btn{ align-self: flex-start; margin-top: .3rem; }
.page-products .pp-version__note{
  margin: 1.3rem 0 0;
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-products .pp-version__note a{
  color: var(--brick);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 失败排查 ---------- */
.page-products .pp-trouble{
  background: var(--paper-2);
  color: var(--ink);
  padding: clamp(2.6rem,6vw,5rem) 0;
}
.page-products .pp-trouble .section-head__title{ color: var(--ink); }
.page-products .pp-trouble .section-head__note{ color: var(--ink-soft); }
.page-products .pp-trouble__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(.8rem,2.4vw,1.2rem);
  margin-top: clamp(1.2rem,3vw,2rem);
}
.page-products .pp-trouble__card{
  padding: 1.2rem 1.3rem 1.35rem;
  background: var(--paper);
  border-left: 4px solid var(--brick);
  border-radius: 16px 6px 16px 6px;
  box-shadow: var(--shadow-lift);
}
.page-products .pp-trouble__card:nth-child(2){ border-left-color: var(--amber); }
.page-products .pp-trouble__card:nth-child(3){ border-left-color: var(--cyan-deep); }
.page-products .pp-trouble__card:nth-child(4){ border-left-color: var(--orange); }
.page-products .pp-trouble__title{
  margin: 0 0 .55rem;
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--ink);
}
.page-products .pp-trouble__card p{
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.page-products .pp-trouble__foot{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.2rem,3vw,2rem);
  padding-top: clamp(1rem,2.5vw,1.5rem);
  border-top: 1px solid var(--pp-line-ink);
}
.page-products .pp-trouble__foot p{
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-note);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 固定入口 ---------- */
.page-products .pp-dock{
  background: var(--space);
  color: var(--paper);
  padding: clamp(2.6rem,6vw,5rem) 0 clamp(3rem,7vw,5.5rem);
  position: relative;
  overflow: hidden;
}
.page-products .pp-dock::before{
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 65%, transparent);
  transform: skewY(-1.2deg);
  transform-origin: left top;
}
.page-products .pp-dock__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem,4vw,3rem);
  align-items: center;
}
.page-products .pp-dock__title{
  margin: 0 0 .9rem;
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-products .pp-dock__body p{
  margin: 0;
  max-width: 50ch;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--pp-ink-read);
}
.page-products .pp-dock__links{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.4rem;
}
.page-products .pp-dock__figure img{
  border-radius: 24px 8px 24px 8px;
  border-color: rgba(56,225,214,.28);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-products .pp-trouble__grid{
    grid-template-columns: 1fr 1fr;
  }
  .page-products .pp-dials{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-products .pp-hero__grid{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: clamp(2rem,4vw,3.5rem);
  }
  .page-products .pp-switch__grid,
  .page-products .pp-dock__grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2rem,4vw,3.5rem);
  }
  .page-products .pp-steps{
    position: relative;
    padding-left: clamp(1.4rem,3vw,2.2rem);
  }
  .page-products .pp-steps::before{
    content: "";
    position: absolute;
    left: 4px;
    top: .8rem;
    bottom: .8rem;
    width: 2px;
    background: linear-gradient(180deg, var(--orange), rgba(56,225,214,.45));
    transform: skewX(-6deg);
    opacity: .7;
  }
  .page-products .pp-check__figure img{
    max-height: 380px;
  }
  .page-products .pp-dock__figure img{
    max-height: 380px;
  }
}

@media (min-width: 1100px){
  .page-products .pp-hero{
    padding-bottom: clamp(4rem,6vw,6rem);
  }
  .page-products .pp-step{
    display: block;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products .pp-step,
  .page-products .pp-step__num{
    transition: none;
  }
}
<<<PAGE_CSS_END>>>