.page-products{
  background:
    radial-gradient(120% 70% at 88% -10%, rgba(43,245,200,.10), transparent 62%),
    var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 116px);
}

/* ---------- 首屏 ---------- */
.page-products .tool-hero{
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid);
}
.page-products .tool-hero::before{
  content: "";
  position: absolute;
  top: -18%;
  right: -12%;
  width: 74%;
  height: 136%;
  background:
    repeating-linear-gradient(180deg, transparent 0 39px, rgba(40,64,58,.55) 39px 40px),
    linear-gradient(158deg, var(--ink-700), rgba(11,31,26,.25));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .8;
  pointer-events: none;
}
.page-products .bsp-crumbs{
  position: relative;
  z-index: 2;
  padding-top: clamp(18px, 3vw, 28px);
  font-size: 13px;
}
.page-products .tool-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 7vw, 88px);
}
.page-products .tool-hero h1{
  margin: 16px 0 0;
  font-size: clamp(34px, 6.2vw, 60px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 15ch;
}
.page-products .tool-hero .bsp-lead{
  margin: 20px 0 0;
  max-width: 36ch;
}
.page-products .tool-hero__stats{
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(20px, 4vw, 40px);
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--grid);
  padding-top: 20px;
}
.page-products .tool-hero__stats li{
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}
.page-products .tool-hero__stats .bsp-num{
  font-size: clamp(22px, 3.2vw, 28px);
  line-height: 1;
}
.page-products .tool-hero__acts{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-products .tool-hero__media{
  position: relative;
  margin: 0;
  box-shadow: 14px 14px 0 -1px rgba(27,48,42,.85);
}
.page-products .tool-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--grid);
  object-fit: cover;
}

/* ---------- 索引 + 主体 ---------- */
.page-products .tool-layout{
  display: grid;
  gap: clamp(28px, 4vw, 40px);
  padding-top: clamp(36px, 6vw, 68px);
}
.page-products .tool-index__title{
  margin: 0 0 12px;
}
.page-products .tool-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .tool-index__link{
  display: block;
  padding: 8px 12px;
  border: 1px solid var(--grid);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.page-products .tool-index__link:hover,
.page-products .tool-index__link:focus-visible{
  color: var(--cyan-500);
  border-color: var(--cyan-500);
  background: rgba(43,245,200,.07);
}

/* ---------- 章节堆叠 ---------- */
.page-products .tool-block{
  border-top: 1px solid var(--grid);
  padding-top: clamp(28px, 4vw, 44px);
  margin-top: clamp(40px, 6vw, 68px);
  scroll-margin-top: calc(var(--bsp-header-h) + 24px);
}
.page-products .tool-block:first-child{
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}
.page-products .tool-block__title{
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.page-products .tool-block__text{
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 面板示意图 ---------- */
.page-products .tool-panelmap{
  display: block;
  width: 100%;
  height: auto;
  margin: 26px 0 0;
  background: var(--ink-800);
  border: 1px solid var(--grid);
}
.page-products .pm-base{ fill: var(--ink-800); stroke: var(--grid); }
.page-products .pm-top{ fill: var(--ink-700); }
.page-products .pm-cell{ fill: var(--ink-700); stroke: var(--grid); }
.page-products .pm-cell--a{ fill: rgba(43,245,200,.10); }
.page-products .pm-bar{ fill: var(--grid); }
.page-products .pm-card{ fill: rgba(140,242,220,.16); stroke: var(--grid); }
.page-products .pm-dot{ fill: var(--orange-400); }
.page-products .pm-t{ fill: var(--text); font-size: 13px; font-weight: 700; font-family: var(--font-sans); }
.page-products .pm-k{ fill: var(--cyan-500); font-size: 13px; font-weight: 700; letter-spacing: .06em; font-family: var(--font-sans); }
.page-products .pm-s{ fill: var(--muted); font-size: 11px; font-family: var(--font-mono); }

/* ---------- 四分区清单 ---------- */
.page-products .zone-list{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .zone-list li{
  background: var(--ink-800);
  padding: 20px 18px;
}
.page-products .zone-list__k{
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-500);
  letter-spacing: .04em;
}
.page-products .zone-list__d{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三种排列 ---------- */
.page-products .order-grid{
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--grid);
  margin-top: 26px;
}
.page-products .order-col{
  padding: 24px 20px;
  border-top: 1px solid var(--grid);
}
.page-products .order-col:first-child{
  border-top: 0;
}
.page-products .order-col__no{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-500);
}
.page-products .order-col__title{
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-products .order-col__d{
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}
.page-products .order-col__when{
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 分段控件 ---------- */
.page-products .bsp-tabs{
  margin-top: 26px;
}
.page-products .bsp-tabs__list{
  position: relative;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--grid);
}
.page-products .bsp-tabs__list::-webkit-scrollbar{ display: none; }
.page-products .bsp-tabs__tab{
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--muted);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 12px 18px;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s ease;
}
.page-products .bsp-tabs__tab:hover{ color: var(--cyan-300); }
.page-products .bsp-tabs__tab[aria-selected="true"]{ color: var(--cyan-500); }
.page-products .bsp-tabs__tab:focus-visible{
  outline: 2px solid var(--cyan-500);
  outline-offset: -2px;
}
.page-products .bsp-tabs__ink{
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 3px;
  width: 0;
  background: var(--cyan-500);
  transform: translateX(0);
  transition: transform .28s cubic-bezier(.4,0,.2,1), width .28s cubic-bezier(.4,0,.2,1);
}
.page-products .bsp-tabs__panel{
  padding: 24px 0 0;
  outline-offset: 4px;
}
.page-products .bsp-tabs__panel[hidden]{ display: none; }
.page-products .bsp-tabs__panel:focus-visible{
  outline: 2px solid var(--cyan-500);
}

/* ---------- 视图面板 ---------- */
.page-products .view-body{
  display: grid;
  gap: 22px;
}
.page-products .view-figure{
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink-800);
}
.page-products .view-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .view-copy h3{
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-products .view-copy p{
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}
.page-products .view-copy .view-when{
  color: var(--cyan-300);
  font-size: 14px;
}
.page-products .view-body--text{
  gap: 20px;
}
.page-products .view-facts{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}
.page-products .view-facts li{
  background: var(--ink-800);
  padding: 14px 16px;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-products .view-facts .bsp-num{
  font-size: 20px;
}

/* ---------- 密度 ---------- */
.page-products .density{
  display: grid;
  gap: 26px;
  margin-top: 24px;
}
.page-products .density__name{
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--cyan-500);
  letter-spacing: .02em;
}
.page-products .density .tool-block__text{
  margin-top: 0;
}
.page-products .density .bsp-tabs{
  margin-top: 18px;
}
.page-products .density__figure{
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink-800);
}
.page-products .density__figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .density__cap{
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--grid);
}

/* ---------- 两条线 ---------- */
.page-products .line-compare{
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-products .line-panel{
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--grid);
  padding: 26px 22px 22px;
}
.page-products .line-panel::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--cyan-500);
}
.page-products .line-panel--b::before{
  background: var(--cyan-300);
}
.page-products .line-panel h3{
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-products .line-panel p{
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}
.page-products .line-panel__foot{
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--grid);
  font-size: 13.5px;
  color: var(--muted);
}
.page-products .line-panel__foot a{
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(43,245,200,.4);
}
.page-products .line-panel__foot a:hover{
  border-bottom-color: var(--cyan-500);
}

/* ---------- 跨设备与名额 ---------- */
.page-products .sync{
  display: grid;
  gap: 28px;
  margin-top: 24px;
}
.page-products .cap{
  margin-top: 24px;
}
.page-products .cap--b{
  margin-top: 26px;
}
.page-products .cap__head{
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.page-products .cap__num{
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 54px);
  font-weight: 500;
  line-height: 1;
  color: var(--cyan-500);
}
.page-products .cap__unit{
  font-size: 14px;
  color: var(--muted);
}
.page-products .cap__track{
  position: relative;
  height: 10px;
  margin-top: 10px;
  background:
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 5%),
    var(--ink-700);
  border: 1px solid var(--grid);
  overflow: hidden;
}
.page-products .cap__fill{
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, rgba(43,245,200,.75), rgba(43,245,200,.25));
  transition: width .3s ease;
}
.page-products .cap:hover .cap__fill,
.page-products .cap:focus-within .cap__fill{
  width: 62%;
}
.page-products .cap--b:hover .cap__fill,
.page-products .cap--b:focus-within .cap__fill{
  width: 24%;
}
.page-products .cap__hint{
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  transition: color .2s ease;
}
.page-products .cap:hover .cap__hint,
.page-products .cap:focus-within .cap__hint{
  color: var(--cyan-300);
}
.page-products .sync__figure{
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--ink-800);
}
.page-products .sync__figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .sync__figure figcaption{
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--grid);
}

/* ---------- 上手路径 ---------- */
.page-products .start-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  margin-top: 26px;
}
.page-products .start-card{
  background: var(--ink-800);
}
.page-products .start-card summary{
  display: grid;
  gap: 8px;
  padding: 22px 18px;
  cursor: pointer;
  list-style: none;
}
.page-products .start-card summary::-webkit-details-marker{ display: none; }
.page-products .start-card summary:focus-visible{
  outline: 2px solid var(--cyan-500);
  outline-offset: -2px;
}
.page-products .start-card__no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-500);
  text-transform: uppercase;
}
.page-products .start-card__title{
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}
.page-products .start-card[open] summary{
  border-bottom: 1px solid var(--grid);
  background: rgba(43,245,200,.05);
}
.page-products .start-card ol{
  margin: 0;
  padding: 18px 20px 22px 38px;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-products .tool-cta{
  display: grid;
  gap: 20px;
  margin-top: clamp(30px, 5vw, 46px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--grid);
  background: linear-gradient(125deg, var(--ink-800) 40%, var(--ink-700));
}
.page-products .tool-cta h3{
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-products .tool-cta p{
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.page-products .tool-cta__acts{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-products .zone-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px){
  .page-products .order-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .order-col{
    border-top: 0;
    border-left: 1px solid var(--grid);
  }
  .page-products .order-col:first-child{
    border-left: 0;
  }
  .page-products .view-body{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }
  .page-products .view-body--text{
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    align-items: start;
  }
  .page-products .line-compare{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .page-products .start-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .tool-cta{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px){
  .page-products .tool-hero__inner{
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
  }
  .page-products .density{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
    gap: 34px;
  }
  .page-products .sync{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 1024px){
  .page-products .tool-layout{
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 64px);
    align-items: start;
  }
  .page-products .tool-index{
    position: sticky;
    top: calc(var(--bsp-header-h) + 28px);
  }
  .page-products .tool-index__list{
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
  .page-products .tool-index__link{
    border: 0;
    border-left: 2px solid var(--grid);
    padding: 10px 10px 10px 14px;
  }
  .page-products .tool-index__link:hover,
  .page-products .tool-index__link:focus-visible{
    background: rgba(43,245,200,.06);
  }
  .page-products .zone-list{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>