.page-products{
  --pd-line: var(--edge);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .shell{
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-products .pd-open{
  padding: 34px 0 10px;
}
.page-products .pd-open .eyebrow{
  margin: 0 0 14px;
}
.page-products .pd-h1{
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.01em;
  max-width: 15em;
}
.page-products .pd-lede{
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sage);
}
.page-products .pd-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 26px;
}
.page-products .pd-stats{
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 18px 0 0;
  border-top: var(--pd-line);
}
.page-products .pd-stat{
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}
.page-products .pd-stat__v{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.page-products .pd-stat__k{
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 通用区块头 ---------- */
.page-products .pd-sec{
  padding: 48px 0 10px;
}
.page-products .pd-head{
  margin-bottom: 24px;
}
.page-products .pd-head .eyebrow{
  margin: 0 0 12px;
}
.page-products .pd-head .section-title{
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 5.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.page-products .pd-intro{
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 双栏版本对照 ---------- */
.page-products .pd-verse{
  border: var(--pd-line);
  background: var(--deep);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
}
.page-products .pd-verse__panel{
  padding: 22px 18px 24px;
}
.page-products .pd-verse__panel--new{
  background: rgba(49, 92, 76, 0.18);
}
.page-products .pd-verse__seam{
  height: 6px;
  background: linear-gradient(90deg, var(--lime), var(--yellow));
}
.page-products .pd-verse__ver{
  margin: 14px 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}
.page-products .pd-verse__name{
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.2;
  color: var(--paper);
}
.page-products .pd-verse__list{
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-products .pd-verse__list li{
  position: relative;
  padding: 0 0 0 16px;
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sage);
}
.page-products .pd-verse__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--lime);
}
.page-products .pd-verse__panel:not(.pd-verse__panel--new) .pd-verse__list li::before{
  background: var(--yellow);
}
.page-products .pd-verse__fit{
  margin: 0;
  padding-top: 12px;
  border-top: var(--pd-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 配图 ---------- */
.page-products .pd-fig{
  margin: 26px 0 0;
  border: var(--pd-line);
  background: var(--deep);
  padding: 8px;
}
.page-products .pd-fig img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92);
}
.page-products .pd-fig figcaption{
  padding: 10px 4px 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}
.page-products .pd-fig--narrow{
  max-width: 560px;
}
.page-products .pd-fig--tight{
  margin: 0;
  padding: 6px;
}

/* ---------- 对照表 ---------- */
.page-products .pd-tablewrap{
  margin-top: 26px;
  border: var(--pd-line);
  overflow-x: auto;
}
.page-products .pd-table{
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .pd-table__cap{
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  border-bottom: var(--pd-line);
}
.page-products .pd-table th,
.page-products .pd-table td{
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--pd-line);
  line-height: 1.65;
}
.page-products .pd-table thead th{
  background: var(--moss);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 500;
  white-space: nowrap;
}
.page-products .pd-table tbody th{
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
  background: rgba(233, 227, 211, 0.04);
}
.page-products .pd-table tbody td{
  color: var(--sage);
}
.page-products .pd-table tbody tr:hover td,
.page-products .pd-table tbody tr:hover th{
  background: rgba(199, 255, 61, 0.06);
}
.page-products .pd-table .num{
  color: var(--lime);
}

/* ---------- 三步注册 ---------- */
.page-products .pd-register{
  margin-top: 46px;
  padding: 44px 0 46px;
  background: var(--deep);
  border-top: var(--pd-line);
  border-bottom: var(--pd-line);
}
.page-products .pd-register .pd-head .section-title{
  color: var(--paper);
}
.page-products .pd-steps{
  display: grid;
  gap: 14px;
  margin-bottom: 6px;
  counter-reset: pdstep;
}
.page-products .pd-step{
  border: 1px solid var(--moss);
  background: var(--ink);
}
.page-products .pd-step[open]{
  border-color: var(--lime);
}
.page-products .pd-step__sum{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}
.page-products .pd-step__sum::-webkit-details-marker{
  display: none;
}
.page-products .pd-step__sum:hover{
  background: rgba(199, 255, 61, 0.07);
}
.page-products .pd-step__no{
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--yellow);
}
.page-products .pd-step__title{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.page-products .pd-step__body{
  padding: 0 16px 16px;
  border-top: 1px solid rgba(49, 92, 76, 0.6);
}
.page-products .pd-step__row{
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sage);
}
.page-products .pd-step__k{
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--lime);
}

/* ---------- 功能面板 ---------- */
.page-products .pd-feats{
  display: grid;
  gap: 14px;
}
.page-products .pd-feat{
  padding: 18px 16px 20px;
  border: 1px solid var(--moss);
  background: linear-gradient(160deg, rgba(15, 42, 34, 0.95), rgba(11, 15, 13, 0.95));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .pd-feat:hover{
  transform: translateY(-2px);
  border-color: var(--lime);
}
.page-products .pd-feat__no{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--yellow);
}
.page-products .pd-feat__title{
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  color: var(--paper);
}
.page-products .pd-feat__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sage);
}

/* ---------- 五端设备 ---------- */
.page-products .pd-sec--devices{
  padding-top: 52px;
}
.page-products .pd-devs{
  display: grid;
  gap: 12px;
}
.page-products .pd-dev{
  padding: 16px;
  border: 1px solid var(--moss);
  background: rgba(15, 42, 34, 0.6);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-products .pd-dev:hover{
  transform: translateY(-2px);
  border-color: var(--yellow);
}
.page-products .pd-dev--web{
  border-style: dashed;
  border-color: var(--lime);
}
.page-products .pd-dev__name{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-transform: uppercase;
}
.page-products .pd-dev__meta{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--yellow);
}
.page-products .pd-dev__note{
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}
.page-products .pd-dev__sum{
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid rgba(49, 92, 76, 0.7);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
}
.page-products .pd-note{
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--yellow);
  background: rgba(242, 194, 48, 0.08);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 版本演进（纸面） ---------- */
.page-products .pd-log{
  margin-top: 52px;
  padding: 46px 0 48px;
  background: var(--paper);
  color: var(--ink);
}
.page-products .pd-log .eyebrow{
  color: var(--moss);
}
.page-products .pd-log .section-title{
  color: var(--ink);
}
.page-products .pd-log .pd-intro{
  color: var(--moss);
}
.page-products .pd-track{
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--moss);
}
.page-products .pd-track__item{
  position: relative;
  padding: 0 0 24px;
}
.page-products .pd-track__item:last-child{
  padding-bottom: 0;
}
.page-products .pd-track__item::before{
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  transform: rotate(45deg);
}
.page-products .pd-track__ver{
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--clay);
}
.page-products .pd-track__title{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
}
.page-products .pd-track__text{
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--moss);
}

/* ---------- 底部行动区 ---------- */
.page-products .pd-cta{
  padding: 48px 0 0;
}
.page-products .pd-cta__box{
  display: grid;
  gap: 22px;
  padding: 24px 18px 22px;
  background: var(--deep);
  border: var(--pd-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-products .pd-cta__box .section-title{
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.1;
}
.page-products .pd-cta__links{
  margin: 4px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: var(--pd-line);
}
.page-products .pd-cta__links li{
  margin: 0 0 10px;
}
.page-products .pd-cta__links a{
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .pd-cta__links a:hover,
.page-products .pd-cta__links a:focus-visible{
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 移动端常驻入口 ---------- */
.page-products .pd-dock{
  position: sticky;
  bottom: 0;
  z-index: 6;
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding: 10px 0 12px;
  background: rgba(11, 15, 13, 0.94);
  border-top: var(--pd-line);
  backdrop-filter: blur(6px);
}
.page-products .pd-dock .btn{
  flex: 1 1 0;
  text-align: center;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-products .pd-stats{
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .page-products .pd-devs{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .pd-feats{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .pd-cta__box{
    padding: 30px 26px 26px;
  }
}

@media (min-width: 760px){
  .page-products .pd-verse{
    display: grid;
    grid-template-columns: 1fr 6px 1fr;
    align-items: stretch;
  }
  .page-products .pd-verse__seam{
    height: auto;
    width: 6px;
    background: linear-gradient(180deg, var(--lime), var(--yellow) 72%, var(--clay));
  }
  .page-products .pd-verse__panel{
    padding: 26px 24px 28px;
  }
  .page-products .pd-tablewrap{
    overflow: visible;
  }
  .page-products .pd-table thead th{
    position: sticky;
    top: var(--hd-h);
    z-index: 2;
  }
  .page-products .pd-steps{
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    position: relative;
  }
  .page-products .pd-steps::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lime), var(--yellow));
  }
  .page-products .pd-step{
    border-top: 0;
  }
  .page-products .pd-cta__box{
    grid-template-columns: 1.35fr 0.65fr;
    align-items: start;
  }
  .page-products .pd-dock{
    display: none;
  }
}

@media (min-width: 980px){
  .page-products .pd-open{
    padding-top: 46px;
  }
  .page-products .pd-sec{
    padding-top: 64px;
  }
  .page-products .pd-feats{
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-products .pd-feat:first-child{
    grid-column: span 2;
  }
  .page-products .pd-devs{
    grid-template-columns: repeat(5, 1fr);
  }
  .page-products .pd-track{
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    border-left: 0;
    border-top: 2px solid var(--moss);
    padding: 26px 0 0;
  }
  .page-products .pd-track__item{
    padding: 0;
  }
  .page-products .pd-track__item::before{
    left: 0;
    top: -33px;
  }
  .page-products .pd-cta__box{
    padding: 38px 34px 34px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products .pd-feat,
  .page-products .pd-dev,
  .page-products .pd-cta__links a{
    transition: none;
  }
  .page-products .pd-feat:hover,
  .page-products .pd-dev:hover{
    transform: none;
  }
}