.page-products{
  --ps-ink-on-paper:#1B1511;
  --ps-card-gap:16px;
}

.page-products .crumbs{
  margin:22px 0 16px;
  font-size:13px;
}

/* ---------- 首屏框景 ---------- */
.page-products .ps-hero{
  position:relative;
  padding:30px 20px 26px;
  overflow:hidden;
  background:
    radial-gradient(130% 120% at 4% -20%,rgba(242,190,85,.18),rgba(242,190,85,0) 62%),
    repeating-linear-gradient(90deg,rgba(192,138,46,.09) 0 1px,transparent 1px 92px),
    var(--panel);
}
.page-products .ps-hero::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:var(--gold-grad);
}
.page-products .ps-hero__kicker{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--gold);
}
.page-products .ps-hero__title{
  margin:0;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:clamp(26px,7vw,50px);
  line-height:1.24;
  letter-spacing:.01em;
  color:var(--text);
}
.page-products .ps-hero__lead{
  margin:16px 0 0;
  max-width:44em;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
}
.page-products .ps-hero__meta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
  border:1px solid var(--line-soft);
  background:var(--line-soft);
}
.page-products .ps-hero__meta li{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:11px 13px;
  background:var(--ink);
}
.page-products .ps-hero__meta .ledger{
  font-size:22px;
  line-height:1;
  color:var(--butter);
}
.page-products .ps-hero__meta li span:last-child{
  font-size:13px;
  color:var(--stone);
}

/* ---------- 章节通用 ---------- */
.page-products .ps-section{
  margin:52px 0 0;
}
.page-products .chapter{
  margin:0 0 18px;
}
.page-products .ps-section__lead{
  margin:0 0 20px;
  max-width:52em;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
}

/* ---------- 01 分类索引带 ---------- */
.page-products .ps-index{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1px;
  margin:0 0 20px;
  border:1px solid var(--line-soft);
  background:var(--line-soft);
}
.page-products .ps-index__item{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:6px;
  min-height:92px;
  padding:15px 14px 14px;
  background:var(--panel);
  color:var(--text);
  text-decoration:none;
  transition:background .25s var(--ease);
}
.page-products .ps-index__item::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:0;
  height:2px;
  background:var(--gold-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .32s var(--ease);
}
.page-products .ps-index__item:hover,
.page-products .ps-index__item:focus-visible{
  background:var(--ink);
}
.page-products .ps-index__item:hover::after,
.page-products .ps-index__item:focus-visible::after{
  transform:scaleX(1);
}
.page-products .ps-index__num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--gold);
}
.page-products .ps-index__label{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  line-height:1.2;
}
.page-products .ps-index__count{
  font-size:12px;
  color:var(--stone);
}

/* ---------- 01 筛选与资料卡 ---------- */
.page-products .ps-filter{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 18px;
}
.page-products .ps-filter-note{
  width:100%;
  margin:4px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--stone);
}
.page-products [data-filter-item][hidden]{
  display:none;
}

.page-products .ps-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--ps-card-gap);
}
.page-products .ps-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px 18px 20px;
  background:var(--paper);
  color:var(--ps-ink-on-paper);
  border:1px solid rgba(27,21,17,.18);
  box-shadow:var(--shadow-card);
}
.page-products .ps-card:target{
  box-shadow:0 0 0 2px var(--butter),var(--shadow-card);
}
.page-products .ps-card__num{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.24em;
  color:#8A5F1C;
}
.page-products .ps-card__title{
  margin:0;
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  line-height:1.3;
  color:var(--ps-ink-on-paper);
}
.page-products .ps-card__where,
.page-products .ps-card__text,
.page-products .ps-card__fit{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--ps-ink-on-paper);
}
.page-products .ps-card__where,
.page-products .ps-card__fit{
  opacity:.74;
}
.page-products .ps-card__k{
  display:inline-block;
  margin-right:7px;
  padding:1px 5px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--paper);
  background:#6b5228;
  vertical-align:1px;
}

/* ---------- 图片框 ---------- */
.page-products .ps-figure{
  margin:24px 0 0;
}
.page-products .ps-figure .figure__media{
  border:1px solid var(--line);
  background:var(--panel);
}
.page-products .ps-figure .figure__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

/* ---------- 02 四模块 ---------- */
.page-products .ps-modules{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  border:1px solid var(--line-soft);
  background:var(--line-soft);
}
.page-products .ps-module{
  padding:22px 18px 24px;
  background:var(--panel);
}
.page-products .ps-module__num{
  margin:0 0 6px;
  font-family:var(--font-serif);
  font-size:42px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--gold);
  text-stroke:1px var(--gold);
}
.page-products .ps-module__title{
  margin:0 0 10px;
  font-family:var(--font-serif);
  font-size:21px;
  font-weight:700;
  color:var(--text);
}
.page-products .ps-module__where{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--butter);
}
.page-products .ps-module__text{
  margin:0;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}

/* ---------- 03 电脑端分栏 ---------- */
.page-products .ps-desktop{
  padding:26px 18px 28px;
  border:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(44,124,119,.12),rgba(44,124,119,0) 58%),
    var(--ink);
}
.page-products .ps-desktop__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.page-products .ps-rail{
  display:flex;
  flex-direction:column;
  gap:1px;
  padding:14px 0 0;
  border-top:1px solid var(--line-soft);
}
.page-products .ps-rail__title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.26em;
  color:var(--stone);
}
.page-products .ps-rail__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:10px 10px 10px 12px;
  border-left:1px solid var(--line);
  color:var(--text);
  font-size:15px;
  text-decoration:none;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.page-products .ps-rail__link:hover,
.page-products .ps-rail__link:focus-visible{
  border-left-color:var(--butter);
  color:var(--butter);
  background:rgba(242,190,85,.07);
}
.page-products .ps-rail__no{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--gold);
}
.page-products .ps-rail__hint{
  margin:12px 0 0;
  font-size:12px;
  line-height:1.6;
  color:var(--stone);
}
.page-products .ps-desktop__body p{
  margin:0 0 14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}
.page-products .ps-desktop__body p:last-child{
  margin-bottom:0;
}

/* ---------- 04 手机端 ---------- */
.page-products .ps-mobile__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
.page-products .ps-mobile__body p{
  margin:0 0 14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text);
}
.page-products .ps-mobile__btn{
  margin-top:4px;
}
.page-products .ps-mobile__figure{
  margin:0;
  justify-self:start;
  max-width:300px;
}
.page-products .ps-mobile__figure .figure__media{
  border:1px solid var(--line);
  background:var(--panel);
}
.page-products .ps-mobile__figure .figure__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

/* ---------- 05 资源下载 ---------- */
.page-products .ps-files__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
.page-products .ps-files__figure{
  margin:0;
}
.page-products .ps-files__figure .figure__media{
  border:1px solid var(--line);
  background:var(--paper);
}
.page-products .ps-files__figure .figure__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-products .ps-files{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--line-soft);
}
.page-products .ps-files__row{
  display:grid;
  grid-template-columns:auto 1fr;
  align-items:start;
  gap:6px 12px;
  padding:15px 0;
  border-bottom:1px solid var(--line-soft);
}
.page-products .ps-files__no{
  font-size:13px;
  color:var(--gold);
  padding-top:3px;
}
.page-products .ps-files__text h3{
  margin:0 0 5px;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  line-height:1.35;
  color:var(--text);
}
.page-products .ps-files__text p{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--stone);
}
.page-products .ps-files__row .tag{
  grid-column:2;
  justify-self:start;
  margin-top:2px;
}

/* ---------- 06 粒度 ---------- */
.page-products .ps-grains{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.page-products .ps-grain{
  padding:20px 18px 22px;
  border:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(242,190,85,.08),rgba(242,190,85,0) 70%),var(--panel);
}
.page-products .ps-grain__glyph{
  margin:0 0 8px;
  font-family:var(--font-serif);
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:var(--butter);
}
.page-products .ps-grain__title{
  margin:0 0 9px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.2em;
  color:var(--gold);
}
.page-products .ps-grain__text{
  margin:0 0 12px;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
}
.page-products .ps-grain__fit{
  margin:0;
  padding-top:10px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  line-height:1.6;
  color:var(--mineral-light);
}

/* ---------- 07 场景 ---------- */
.page-products .ps-scenes{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:24px;
}
.page-products .ps-scene{
  padding:22px 18px 24px;
  border:1px solid var(--line-soft);
  background:var(--panel);
}
.page-products .ps-scene--first{
  border-top:3px solid var(--mineral);
}
.page-products .ps-scene--back{
  border-top:3px solid var(--butter);
}
.page-products .ps-scene__title{
  margin:0 0 6px;
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:700;
  color:var(--text);
}
.page-products .ps-scene__sub{
  margin:0 0 16px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--stone);
}
.page-products .ps-scene__steps{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:ps-step;
}
.page-products .ps-scene__steps li{
  position:relative;
  counter-increment:ps-step;
  padding:0 0 14px 34px;
  font-size:15px;
  line-height:1.75;
  color:var(--text);
}
.page-products .ps-scene__steps li:last-child{
  padding-bottom:0;
}
.page-products .ps-scene__steps li::before{
  content:counter(ps-step,decimal-leading-zero);
  position:absolute;
  left:0;
  top:1px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--gold);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
}

/* ---------- 08 收束 ---------- */
.page-products .ps-help__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.page-products .ps-help__links{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--line-soft);
}
.page-products .ps-help__links li{
  border-bottom:1px solid var(--line-soft);
}
.page-products .ps-help__links a{
  display:block;
  padding:13px 2px 13px 18px;
  position:relative;
  font-size:15px;
  line-height:1.6;
  color:var(--text);
  text-decoration:none;
  transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.page-products .ps-help__links a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:7px;
  height:7px;
  margin-top:-3.5px;
  background:var(--gold);
  transform:rotate(45deg);
}
.page-products .ps-help__links a:hover,
.page-products .ps-help__links a:focus-visible{
  color:var(--butter);
  padding-left:24px;
}
.page-products .ps-help__contact{
  padding:20px 18px 22px;
  background:linear-gradient(160deg,rgba(192,138,46,.14),rgba(192,138,46,0) 70%),var(--panel);
}
.page-products .ps-help__label{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--gold);
}
.page-products .ps-help__value{
  margin:0 0 12px;
  font-size:15px;
  line-height:1.5;
  color:var(--butter);
  word-break:break-all;
}
.page-products .ps-help__note{
  margin:0 0 16px;
  font-size:13px;
  line-height:1.75;
  color:var(--stone);
}
.page-products .ps-help__contact .copy-note{
  margin:10px 0 0;
  min-height:1em;
  font-size:13px;
  color:var(--mineral-light);
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .page-products .ps-hero{
    padding:38px 32px 34px;
  }
  .page-products .ps-hero__meta{
    grid-template-columns:repeat(4,1fr);
  }
  .page-products .ps-grains{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products .ps-scenes{
    grid-template-columns:1fr 1fr;
  }
  .page-products .ps-files__row{
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:16px;
  }
  .page-products .ps-files__row .tag{
    grid-column:auto;
    margin-top:0;
  }
}

@media (min-width:900px){
  .page-products .ps-section{
    margin-top:64px;
  }
  .page-products .ps-index{
    grid-template-columns:repeat(4,1fr);
  }
  .page-products .ps-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .page-products .ps-modules{
    grid-template-columns:1fr 1fr;
  }
  .page-products .ps-desktop{
    padding:34px 32px 36px;
  }
  .page-products .ps-desktop__grid{
    grid-template-columns:220px 1fr;
    gap:32px;
  }
  .page-products .ps-rail{
    padding-top:0;
    border-top:0;
    border-left:1px solid var(--line-soft);
    padding-left:16px;
  }
  .page-products .ps-mobile__grid{
    grid-template-columns:1fr 300px;
    gap:36px;
    align-items:start;
  }
  .page-products .ps-files__grid{
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
    gap:36px;
    align-items:start;
  }
  .page-products .ps-help__grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:32px;
    align-items:start;
  }
}

@media (min-width:1120px){
  .page-products .ps-grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-products .ps-hero{
    padding:46px 56px 40px;
  }
}
<<<END>>>