.page-products{
  --pr-sec: clamp(46px, 6vw, 96px);
  --pr-pad: clamp(18px, 2.4vw, 30px);
  --pr-cut: 16px;
  position: relative;
  display: block;
  color: var(--cream);
  background:
    radial-gradient(85% 55% at 92% 0%, rgba(255,138,61,.20), rgba(255,138,61,0) 60%),
    radial-gradient(72% 55% at 0% 88%, rgba(29,44,76,.92), rgba(29,44,76,0) 72%),
    linear-gradient(180deg, #100E0C 0%, #1B1815 45%, #100E0C 100%);
  overflow: hidden;
}

.page-products [data-chapter]{
  scroll-margin-top: 120px;
}

.page-products .pr-crumbs{
  padding: clamp(16px, 2.2vw, 30px) 0 0;
}

/* ---------- 首屏框景 ---------- */
.page-products .pr-hero{
  padding: clamp(22px, 3.2vw, 46px) 0 clamp(34px, 5vw, 78px);
}

.page-products .pr-frame{
  position: relative;
  padding: clamp(26px, 4vw, 62px) clamp(22px, 4vw, 58px) clamp(30px, 4vw, 56px);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(27,24,21,.95) 0%, rgba(16,14,12,.98) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-products .pr-frame::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 22px;
  background-image: repeating-linear-gradient(90deg, var(--clay) 0 1px, transparent 1px 26px);
  opacity: .5;
  pointer-events: none;
}

.page-products .pr-frame::after{
  content: "";
  position: absolute;
  top: 22px;
  bottom: 0;
  left: 0;
  width: 22px;
  background-image: repeating-linear-gradient(180deg, var(--wood) 0 1px, transparent 1px 26px);
  opacity: .32;
  pointer-events: none;
}

.page-products .pr-eyebrow{
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-serif);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--clay);
}

.page-products .pr-eyebrow .num{
  margin-right: .5em;
  letter-spacing: 0;
}

.page-products .pr-hero__title{
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  font-weight: 900;
  font-size: clamp(1.9rem, 4.4vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  max-width: 18em;
}

.page-products .pr-hero__lead{
  margin: 0 0 clamp(24px, 3vw, 40px);
  max-width: 62ch;
  font-size: clamp(1rem, 1.15vw, 1.1rem);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pr-hero__facts{
  list-style: none;
  margin: 0 0 clamp(24px, 3vw, 38px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pr-hero__facts li{
  background: rgba(16,14,12,.88);
  padding: var(--pr-pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pr-hero__facts .num{
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--lamp);
}

.page-products .pr-hero__facts li > span:last-child{
  font-size: .84rem;
  color: var(--ash);
}

.page-products .pr-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 章节骨架 ---------- */
.page-products .pr-section{
  position: relative;
  padding: var(--pr-sec) 0;
}

.page-products .pr-section--alt{
  background: linear-gradient(180deg, rgba(29,44,76,.26), rgba(29,44,76,0) 78%);
}

.page-products .pr-section + .pr-section::before{
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.page-products .pr-head{
  display: grid;
  gap: clamp(12px, 1.4vw, 18px);
  margin-bottom: clamp(28px, 3.6vw, 52px);
}

.page-products .pr-section__title{
  margin: 0;
  font-weight: 900;
  font-size: clamp(1.45rem, 2.7vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--cream);
  transform: rotate(-1deg);
  transform-origin: left center;
}

.page-products .pr-lead{
  margin: 0;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pr-link{
  color: var(--lamp);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,138,61,.5);
}

.page-products .pr-link:hover,
.page-products .pr-link:focus-visible{
  border-bottom-color: var(--lamp);
}

/* ---------- 分栏 ---------- */
.page-products .pr-split{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 46px);
  align-items: start;
}

/* ---------- 图 ---------- */
.page-products .pr-figure{
  margin: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pr-shot{
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(29,44,76,.55), rgba(16,14,12,.92));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pr-shot img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pr-cap{
  padding-left: 12px;
  border-left: 2px solid var(--clay);
  font-family: var(--font-serif);
  font-size: .78rem;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 三区域列表 ---------- */
.page-products .pr-zones{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-products .pr-zone{
  display: grid;
  gap: 8px;
  padding: var(--pr-pad);
  background: rgba(16,14,12,.9);
  border-left: 3px solid transparent;
  transition: border-left-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .pr-zone:hover{
  border-left-color: var(--lamp);
  background: rgba(27,24,21,.96);
}

.page-products .pr-zone__num{
  font-size: 1.05rem;
  color: var(--clay);
}

.page-products .pr-zone__title{
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .pr-zone p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 两步流程 ---------- */
.page-products .pr-step-list{
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
  align-content: start;
}

.page-products .pr-step{
  padding: clamp(18px, 2.2vw, 28px);
  border: 1px solid var(--line);
  background: rgba(27,24,21,.9);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .pr-step__sum{
  display: flex;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .pr-step__sum::-webkit-details-marker{
  display: none;
}

.page-products .pr-step__sum::after{
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--lamp);
}

.page-products .pr-step[open] .pr-step__sum::after{
  content: "－";
}

.page-products .pr-step__num{
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  line-height: 1;
  color: var(--clay);
}

.page-products .pr-step__label{
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 700;
}

.page-products .pr-step__body{
  padding-top: 14px;
}

.page-products .pr-step__body p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pr-note{
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--turf);
  font-size: .84rem;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 面板与清单 ---------- */
.page-products .pr-panel-stack{
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
  align-content: start;
}

.page-products .pr-panel{
  padding: var(--pr-pad);
  border: 1px solid var(--line);
  background: rgba(27,24,21,.9);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .pr-panel--cream{
  background: var(--cream);
  border-color: var(--wood);
  color: var(--ink);
}

.page-products .pr-panel h3{
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .pr-panel p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pr-panel--cream p{
  color: rgba(16,14,12,.82);
}

.page-products .pr-ticks{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-ticks li{
  position: relative;
  padding-left: 22px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pr-panel--cream .pr-ticks li{
  color: rgba(16,14,12,.82);
}

.page-products .pr-ticks li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 12px;
  height: 1px;
  background: var(--lamp);
}

.page-products .pr-panel--cream .pr-ticks li::before{
  background: var(--clay);
}

/* ---------- 置顶数据 ---------- */
.page-products .pr-pin__stats{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.8vw, 20px);
}

.page-products .pr-pin__stat{
  padding-top: 14px;
  border-top: 2px solid var(--clay);
  display: grid;
  gap: 8px;
}

.page-products .pr-pin__value{
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: var(--lamp);
}

.page-products .pr-pin__label{
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-products .pr-copy{
  display: grid;
  gap: clamp(14px, 1.8vw, 20px);
}

.page-products .pr-copy p{
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 版本表 ---------- */
.page-products .pr-table-wrap{
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(16,14,12,.92);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .pr-table{
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: .88rem;
}

.page-products .pr-table th,
.page-products .pr-table td{
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-table thead th{
  font-family: var(--font-serif);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--clay);
  background: rgba(27,24,21,.96);
  white-space: nowrap;
}

.page-products .pr-table tbody th{
  font-weight: 700;
  color: var(--cream);
  white-space: nowrap;
}

.page-products .pr-table tbody td{
  color: var(--text-soft);
  line-height: 1.7;
}

.page-products .pr-table tbody tr:hover{
  background: rgba(255,138,61,.08);
}

.page-products .pr-table__now{
  background: rgba(184,67,42,.16);
}

.page-products .pr-table__now th{
  color: var(--gold);
}

.page-products .pr-table__now td{
  color: var(--cream);
}

/* ---------- 可用性列表 ---------- */
.page-products .pr-perf{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 24px);
}

.page-products .pr-perf__item{
  padding: var(--pr-pad);
  border: 1px solid var(--line);
  background: rgba(16,14,12,.86);
  border-top: 2px solid var(--stand);
  display: grid;
  gap: 10px;
  transition: border-top-color .2s var(--ease);
}

.page-products .pr-perf__item:hover{
  border-top-color: var(--lamp);
}

.page-products .pr-perf__idx{
  font-size: 1.1rem;
  color: var(--gold);
}

.page-products .pr-perf__item h3{
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.page-products .pr-perf__item p{
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pr-footline{
  margin: clamp(28px, 3.4vw, 46px) 0 0;
  padding-top: clamp(16px, 2vw, 24px);
  border-top: 1px dashed var(--line);
  font-size: .9rem;
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-products .pr-hero__facts{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pr-pin__stats{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .pr-perf{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px){
  .page-products .pr-split--7-5{
    grid-template-columns: 7fr 5fr;
  }
  .page-products .pr-split--8-4{
    grid-template-columns: 8fr 4fr;
  }
  .page-products .pr-split--5-7{
    grid-template-columns: 5fr 7fr;
  }
  .page-products .pr-perf{
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 520px){
  .page-products .pr-frame{
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  }
  .page-products .pr-step__sum{
    gap: 10px;
  }
  .page-products .pr-section__title{
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products *,
  .page-products *::before,
  .page-products *::after{
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}