.page-products{
  --p-gap:8px;
  --p-r:28px;
  --p-body-dark:#CBD3E6;
  --p-cyan-glow:rgba(47,227,208,.16);
  background:var(--space);
  color:var(--paper);
  overflow-x:hidden;
}

/* ---------- 首屏 ---------- */
.page-products .p-hero{
  position:relative;
  overflow:hidden;
  background:var(--space);
  padding:clamp(96px,17vw,152px) 0 clamp(40px,7vw,70px);
}
.page-products .p-hero__bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 38%;
  opacity:.62;
}
.page-products .p-hero__veil{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,18,48,.66) 0%,rgba(11,18,48,.74) 46%,var(--space) 100%);
}
.page-products .p-hero__inner{position:relative;z-index:1;}

.page-products .p-hero .crumb{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted-dark);
  margin-bottom:clamp(22px,4vw,34px);
}
.page-products .p-hero .crumb a{
  color:var(--muted-dark);
  text-decoration:none;
}
.page-products .p-hero .crumb a:hover{color:var(--cyan);}
.page-products .p-hero .crumb__sep{color:var(--muted-2);margin:0 8px;}
.page-products .p-hero .crumb__here{color:var(--cyan);}

.page-products .p-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 18px;
  padding:7px 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted-dark);
  border:1px solid var(--line-dark);
  border-radius:var(--pill);
  background:rgba(19,28,66,.5);
}
.page-products .p-kicker__no{color:var(--signal);font-weight:700;}

.page-products .p-hero__title{
  margin:0;
  max-width:17em;
  font-family:var(--font-display);
  font-size:clamp(28px,6.4vw,54px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:0;
  color:var(--paper);
}
.page-products .p-hero__lead{
  margin:clamp(18px,3vw,26px) 0 0;
  max-width:38em;
  font-size:clamp(15px,2.6vw,18px);
  line-height:1.82;
  color:var(--muted-dark);
}
.page-products .p-hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  list-style:none;
  margin:clamp(24px,4vw,34px) 0 0;
  padding:0;
}
.page-products .p-hero__facts li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:9px 16px;
  border:1px solid var(--line-dark);
  border-radius:var(--pill);
  background:rgba(19,28,66,.66);
}
.page-products .p-num{
  font-family:var(--font-mono);
  font-size:18px;
  font-weight:800;
  color:var(--signal);
  font-variant-numeric:tabular-nums;
}
.page-products .p-lbl{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted-dark);
}

/* ---------- 章节骨架 ---------- */
.page-products .p-sec{padding:var(--p-gap) 0;}

.page-products .p-board{
  padding:clamp(22px,3.6vw,48px);
  border-radius:var(--p-r);
}
.page-products .panel:not(.panel--night){color:var(--ink);}
.page-products .panel--night{color:var(--paper);}

.page-products h2{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(21px,3.6vw,34px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:0;
}
.page-products h3{
  font-family:var(--font-display);
  letter-spacing:0;
}

.page-products .sec-head{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:clamp(20px,3.4vw,34px);
}
.page-products .plate{
  display:inline-flex;
  align-items:center;
  gap:8px;
  align-self:flex-start;
  padding:5px 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  white-space:nowrap;
  color:var(--gold);
  border:1px solid var(--line-dark);
  border-radius:var(--pill);
  background:transparent;
}
.page-products .plate__num{color:var(--signal);font-weight:700;}
.page-products .panel:not(.panel--night) .plate{
  color:#7A6431;
  border-color:rgba(201,169,107,.62);
}
.page-products .panel:not(.panel--night) .plate__num{color:var(--ink-blue);}

.page-products .p-prose p{
  margin:0 0 1.05em;
  max-width:37em;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.82;
}
.page-products .p-prose p:last-child{margin-bottom:0;}
.page-products .panel:not(.panel--night) .p-prose p{color:var(--ink);}
.page-products .panel--night .p-prose p{color:var(--p-body-dark);}

.page-products .rail{min-width:0;}
.page-products .p-rail__t{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--gold);
  text-transform:uppercase;
}

/* ---------- 索引列表 ---------- */
.page-products .idx-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
}
.page-products .idx-list__row{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:11px 0;
  border-bottom:1px solid var(--line-paper);
}
.page-products .panel--night .idx-list__row{border-bottom-color:var(--line-dark-2);}
.page-products .idx-list__row:last-child{border-bottom:0;}
.page-products .idx-list__num{
  min-width:3.4em;
  font-family:var(--font-mono);
  font-size:18px;
  font-weight:800;
  color:var(--signal);
  font-variant-numeric:tabular-nums;
}
.page-products .idx-list__text{
  font-size:14px;
  line-height:1.6;
  color:var(--ink-blue);
}
.page-products .panel--night .idx-list__text{color:var(--muted-dark);}

/* ---------- 参数标签 ---------- */
.page-products .p-chips{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.page-products .p-chip{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:11px 14px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-md);
  background:rgba(19,28,66,.55);
  cursor:help;
  outline:none;
  transition:border-color var(--dur) var(--ease);
}
.page-products .p-chip:hover,
.page-products .p-chip:focus-visible{border-color:var(--cyan);}
.page-products .p-chip__k{
  font-family:var(--font-mono);
  font-size:16px;
  font-weight:800;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.page-products .p-chip__v{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--muted-dark);
}
.page-products .p-chip__tip{
  position:absolute;
  left:0;
  right:0;
  bottom:calc(100% + 8px);
  z-index:6;
  padding:10px 12px;
  font-size:13px;
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  border-radius:var(--r-sm);
  opacity:0;
  visibility:hidden;
  transform:translateY(4px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.page-products .p-chip:hover .p-chip__tip,
.page-products .p-chip:focus-visible .p-chip__tip,
.page-products .p-chip:focus-within .p-chip__tip{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* ---------- 时间轴 ---------- */
.page-products .p-track-band{
  position:relative;
  margin-top:clamp(18px,3vw,28px);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--night);
}
.page-products .p-track-band__bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.16;
}
.page-products .p-track-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(11,18,48,.92),rgba(11,18,48,.42) 52%,rgba(11,18,48,.92));
  pointer-events:none;
}
.page-products .p-track{
  position:relative;
  z-index:2;
  list-style:none;
  margin:0;
  padding:clamp(24px,3.4vw,36px) clamp(18px,3vw,30px);
  display:flex;
  gap:14px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.page-products .p-track__node{
  position:relative;
  flex:0 0 clamp(228px,74vw,286px);
  scroll-snap-align:start;
  padding-top:34px;
}
.page-products .p-track__node::before{
  content:"";
  position:absolute;
  left:0;
  right:-14px;
  top:10px;
  height:1px;
  background:linear-gradient(90deg,var(--gold),rgba(201,169,107,.12));
}
.page-products .p-track__node::after{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px var(--p-cyan-glow),0 0 12px rgba(47,227,208,.5);
}
.page-products .p-track__t{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--cyan);
}
.page-products .p-track__h{
  margin:0 0 8px;
  font-size:17px;
  font-weight:700;
  color:var(--paper);
}
.page-products .p-track__p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--p-body-dark);
}

.page-products .p-more{margin-top:10px;}
.page-products .p-more summary{
  list-style:none;
  display:inline-flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
  padding-bottom:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--gold);
  border-bottom:1px dashed rgba(201,169,107,.42);
}
.page-products .p-more summary::-webkit-details-marker{display:none;}
.page-products .p-more summary::after{content:"+";}
.page-products .p-more[open] summary::after{content:"–";}
.page-products .p-more p{
  margin:10px 0 0;
  padding-left:12px;
  font-size:13px;
  line-height:1.7;
  color:var(--muted-dark);
  border-left:2px solid var(--line-dark);
}

/* ---------- 关注列表 ---------- */
.page-products .p-cols{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(20px,3vw,36px);
  min-width:0;
}
.page-products .p-sort{
  position:relative;
  margin-top:clamp(18px,3vw,26px);
}
.page-products .p-sort__in{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-products .p-sort__pills{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:14px;
}
.page-products .p-sort__pills label{
  cursor:pointer;
  padding:8px 16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted-dark);
  border:1px solid var(--line-dark);
  border-radius:var(--pill);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.page-products .p-sort__pills label:hover{
  color:var(--paper);
  border-color:var(--cyan);
}
.page-products #p-sort-project:checked ~ .p-sort__pills label[for="p-sort-project"],
.page-products #p-sort-time:checked ~ .p-sort__pills label[for="p-sort-time"],
.page-products #p-sort-rank:checked ~ .p-sort__pills label[for="p-sort-rank"]{
  background:var(--signal);
  border-color:var(--signal);
  color:var(--ink);
  font-weight:700;
}
.page-products .p-sort__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.page-products .p-sort__row{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border:1px solid var(--line-dark-2);
  border-radius:var(--r-md);
  background:rgba(11,18,48,.5);
  transition:border-color var(--dur) var(--ease);
}
.page-products .p-sort__row:hover{border-color:var(--line-dark);}
.page-products .p-sort__proj{
  flex:none;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--paper);
  background:var(--ink-blue);
  border-radius:var(--pill);
}
.page-products .p-sort__when{
  flex:1;
  min-width:0;
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
}
.page-products .p-sort__lv{
  flex:none;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted-2);
}
.page-products .p-sort__lv--key{color:var(--signal);}

.page-products #p-sort-project:checked ~ .p-sort__list .p-sort__row:nth-child(1){order:3;}
.page-products #p-sort-project:checked ~ .p-sort__list .p-sort__row:nth-child(2){order:1;}
.page-products #p-sort-project:checked ~ .p-sort__list .p-sort__row:nth-child(3){order:4;}
.page-products #p-sort-project:checked ~ .p-sort__list .p-sort__row:nth-child(4){order:2;}
.page-products #p-sort-time:checked ~ .p-sort__list .p-sort__row:nth-child(1){order:4;}
.page-products #p-sort-time:checked ~ .p-sort__list .p-sort__row:nth-child(2){order:2;}
.page-products #p-sort-time:checked ~ .p-sort__list .p-sort__row:nth-child(3){order:1;}
.page-products #p-sort-time:checked ~ .p-sort__list .p-sort__row:nth-child(4){order:3;}
.page-products #p-sort-rank:checked ~ .p-sort__list .p-sort__row:nth-child(1){order:2;}
.page-products #p-sort-rank:checked ~ .p-sort__list .p-sort__row:nth-child(2){order:4;}
.page-products #p-sort-rank:checked ~ .p-sort__list .p-sort__row:nth-child(3){order:3;}
.page-products #p-sort-rank:checked ~ .p-sort__list .p-sort__row:nth-child(4){order:1;}

.page-products .p-switch-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-dark-2);
}
.page-products .p-switch-row__t{font-size:14px;color:var(--muted-dark);}
.page-products .p-switch__in{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-products .p-switch{
  position:relative;
  display:inline-block;
  width:46px;
  height:26px;
  flex:none;
  cursor:pointer;
  border:1px solid var(--line-dark);
  border-radius:var(--pill);
  background:rgba(11,18,48,.9);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.page-products .p-switch__knob{
  position:absolute;
  top:3px;
  left:3px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--paper-grey);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.page-products .p-switch__in:checked + .p-switch{
  background:rgba(47,227,208,.22);
  border-color:var(--cyan);
}
.page-products .p-switch__in:checked + .p-switch .p-switch__knob{
  transform:translateX(20px);
  background:var(--cyan);
}
.page-products .p-switch__in:focus-visible + .p-switch{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-products .p-switch__link{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--gold);
  text-decoration:none;
  border-bottom:1px solid rgba(201,169,107,.42);
}
.page-products .p-switch__link:hover{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

/* ---------- 图片 ---------- */
.page-products .p-fig{
  position:relative;
  margin:0;
  min-width:0;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--night);
}
.page-products .p-fig img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-products .p-fig--tall img{aspect-ratio:3/4;}
.page-products .p-fig__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--paper);
  background:linear-gradient(180deg,transparent,rgba(11,18,48,.9));
}

/* ---------- 三步开始 ---------- */
.page-products .p-steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
.page-products .p-step{
  padding:clamp(18px,2.6vw,26px);
  border:1px solid rgba(22,24,29,.12);
  border-radius:var(--r-lg);
  background:rgba(11,18,48,.045);
}
.page-products .p-step__n{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink-blue);
}
.page-products .p-step h3{
  margin:0 0 8px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
}
.page-products .p-step p{
  margin:0;
  font-size:14px;
  line-height:1.78;
  color:var(--ink-blue);
}
.page-products .p-steps__foot{
  margin:24px 0 0;
  padding-top:18px;
  font-size:14px;
  line-height:1.85;
  color:var(--ink-blue);
  border-top:1px solid var(--line-paper);
}
.page-products .p-steps__foot a{
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid var(--gold);
}
.page-products .p-steps__foot a:hover{
  color:var(--signal);
  border-bottom-color:var(--signal);
}

/* ---------- 入场 ---------- */
.page-products [data-reveal]{
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.page-products [data-reveal="off"]{
  opacity:0;
  transform:translateY(8px);
}
.page-products [data-reveal="in"]{
  opacity:1;
  transform:none;
}

/* ---------- 断点 ---------- */
@media (min-width:820px){
  .page-products .sec-head{
    flex-direction:row;
    align-items:center;
    flex-wrap:wrap;
    gap:20px;
  }
  .page-products .p-steps{grid-template-columns:repeat(3,1fr);}
}

@media (min-width:880px){
  .page-products .p-cols{grid-template-columns:7fr 5fr;}
  .page-products .p-cols--rev{grid-template-columns:5fr 7fr;}
}

@media (min-width:960px){
  .page-products .grid--7-3{
    display:grid;
    grid-template-columns:7fr 3fr;
    gap:clamp(22px,3.4vw,40px);
    align-items:start;
  }
}

@media (max-width:639px){
  .page-products .grid--7-3{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  .page-products .p-hero__facts li{padding:8px 13px;}
  .page-products .p-chip__tip{position:static;opacity:1;visibility:visible;transform:none;display:none;}
  .page-products .p-chip:hover .p-chip__tip,
  .page-products .p-chip:focus-visible .p-chip__tip,
  .page-products .p-chip:focus-within .p-chip__tip{display:block;}
  .page-products .p-track{gap:10px;}
}

@media (prefers-reduced-motion:reduce){
  .page-products [data-reveal],
  .page-products .p-chip__tip,
  .page-products .p-switch,
  .page-products .p-switch__knob,
  .page-products .p-sort__row,
  .page-products .p-sort__pills label{
    transition:none;
  }
  .page-products [data-reveal="off"]{opacity:1;transform:none;}
}