.page-products{
  --pf-hair: rgba(201,162,39,.28);
  --pf-line: rgba(217,205,184,.20);
  --pf-soft: rgba(239,228,210,.06);
  --pf-gap: clamp(18px,3.2vw,32px);
  --pf-ink-panel: rgba(15,21,25,.78);
  color: var(--ivory);
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(30,76,92,.45), transparent 70%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero{
  padding: clamp(16px,3vw,30px) 0 clamp(28px,4.6vw,54px);
}
.page-products .pf-hero__frame{
  position: relative;
  margin-top: clamp(14px,2.6vw,24px);
  padding: clamp(24px,4vw,46px) clamp(18px,3.6vw,42px) clamp(22px,3.4vw,38px);
  border: 1px solid var(--pf-hair);
  background:
    radial-gradient(ellipse at 84% 8%, rgba(201,162,39,.16), transparent 58%),
    linear-gradient(158deg, rgba(30,76,92,.55) 0%, rgba(15,21,25,.94) 66%);
}
.page-products .pf-hero__frame::before,
.page-products .pf-hero__frame::after{
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--gilt);
  opacity: .7;
}
.page-products .pf-hero__frame::before{
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-products .pf-hero__frame::after{
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}
.page-products .pf-hero__title{
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: .04em;
  font-size: clamp(1.68rem, 3.2vw + .9rem, 3.05rem);
  line-height: 1.34;
  margin: .55em 0 .5em;
  color: var(--ivory);
}
.page-products .pf-hero__lead{
  max-width: 60ch;
  margin: 0;
  font-size: clamp(.95rem, .3vw + .9rem, 1.06rem);
  line-height: 1.9;
  color: rgba(250,245,234,.86);
}
.page-products .pf-stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  margin: clamp(20px,3vw,30px) 0 0;
  background: var(--pf-hair);
  border-top: 1px solid var(--pf-hair);
  border-bottom: 1px solid var(--pf-hair);
}
.page-products .pf-stats__cell{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 14px 15px;
  background: var(--pf-ink-panel);
}
.page-products .pf-stats__num{
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 1.6vw + .7rem, 1.6rem);
  letter-spacing: .06em;
  color: var(--amber);
  line-height: 1.2;
}
.page-products .pf-stats__label{
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-products .pf-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px,3vw,30px);
}

/* ---------- 通用分区与排版 ---------- */
.page-products .pf-section{
  padding: clamp(34px,5.4vw,68px) 0;
  border-top: 1px solid var(--pf-line);
}
.page-products .pf-section--last{
  padding-bottom: clamp(46px,7vw,86px);
}
.page-products .pf-h2{
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: .04em;
  font-size: clamp(1.3rem, 1.9vw + .78rem, 2.05rem);
  line-height: 1.42;
  margin: .5em 0 .55em;
  color: var(--ivory);
}
.page-products .pf-lead{
  max-width: 64ch;
  margin: 0 0 var(--pf-gap);
  font-size: .98rem;
  line-height: 1.9;
  color: rgba(250,245,234,.82);
}
.page-products .pf-p{
  margin: 0 0 .8em;
  font-size: .93rem;
  line-height: 1.85;
  color: rgba(250,245,234,.8);
}
.page-products .pf-p--tight{
  margin-bottom: .9em;
  font-size: .88rem;
  color: rgba(239,228,210,.78);
}
.page-products .pf-note{
  margin: 12px 0 0;
  font-size: .78rem;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--muted);
}
.page-products .pf-link{
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--pf-hair);
  padding-bottom: 1px;
}
.page-products .pf-link:hover,
.page-products .pf-link:focus-visible{
  color: var(--ivory);
  border-bottom-color: var(--gilt);
}

/* ---------- 视觉容器 ---------- */
.page-products .pf-figure{
  margin: 0 0 var(--pf-gap);
  border: 1px solid var(--pf-hair);
  background: linear-gradient(180deg, rgba(19,30,36,.9), rgba(10,15,18,.9));
  overflow: hidden;
}
.page-products .pf-figure--flush{
  margin-bottom: 0;
}
.page-products .pf-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.94) contrast(1.04);
}
.page-products .pf-figure .media-frame__caption{
  display: block;
  padding: 10px 14px;
  font-size: .75rem;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--muted);
  border-top: 1px solid var(--pf-line);
}

/* ---------- 板块展签 ---------- */
.page-products .pf-boards{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 10px;
  padding-bottom: 4px;
}
.page-products .brd{
  position: relative;
  border: 1px solid var(--pf-line);
  background: linear-gradient(180deg, rgba(30,76,92,.26), rgba(15,21,25,.62));
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .brd::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--ochre), rgba(168,84,47,0));
}
.page-products .brd:nth-child(3n+2)::before{
  background: linear-gradient(180deg, var(--gilt), rgba(201,162,39,0));
}
.page-products .brd:hover{
  border-color: var(--pf-hair);
}
.page-products .brd[open]{
  border-color: var(--pf-hair);
  background: linear-gradient(180deg, rgba(30,76,92,.42), rgba(15,21,25,.72));
}
.page-products .brd__head{
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px 10px;
  padding: 14px 40px 13px 16px;
  cursor: pointer;
  list-style: none;
}
.page-products .brd__head::-webkit-details-marker{
  display: none;
}
.page-products .brd__head::after{
  content: "+";
  position: absolute;
  top: 12px;
  right: 15px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--gilt);
}
.page-products .brd[open] .brd__head::after{
  content: "−";
  color: var(--amber);
}
.page-products .brd__num{
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--amber);
}
.page-products .brd__name{
  flex: 1 1 auto;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: .05em;
  color: var(--ivory);
}
.page-products .brd__meta{
  flex: 1 0 100%;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-products .brd__body{
  padding: 0 16px 16px;
  border-top: 1px dashed var(--pf-line);
}
.page-products .brd__body .pf-p{
  margin-top: .8em;
}
.page-products .brd__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .brd__tag{
  padding: 2px 9px;
  font-size: .72rem;
  letter-spacing: .05em;
  color: rgba(239,228,210,.9);
  border: 1px solid var(--pf-hair);
  background: rgba(201,162,39,.07);
}

/* ---------- 双栏 ---------- */
.page-products .pf-split{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: var(--pf-gap);
  align-items: start;
}
.page-products .pf-split--set{
  margin-top: var(--pf-gap);
}

/* ---------- 分类索引切换 ---------- */
.page-products .pf-sort{
  position: relative;
  min-width: 0;
}
.page-products .pf-sort__radio{
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-products .pf-sort__tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.page-products .pf-sort__tab{
  padding: 8px 14px;
  font-size: .82rem;
  letter-spacing: .06em;
  color: rgba(250,245,234,.8);
  border: 1px solid var(--pf-line);
  background: rgba(15,21,25,.5);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .pf-sort__tab:hover{
  border-color: var(--pf-hair);
  color: var(--ivory);
}
.page-products .pf-sort__panel{
  display: none;
}
.page-products #pf-sort-board:checked ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-board"],
.page-products #pf-sort-alpha:checked ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-alpha"],
.page-products #pf-sort-recent:checked ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-recent"]{
  background: rgba(30,76,92,.85);
  border-color: var(--gilt);
  color: var(--ivory);
}
.page-products #pf-sort-board:checked ~ .pf-sort__panels #pf-panel-board,
.page-products #pf-sort-alpha:checked ~ .pf-sort__panels #pf-panel-alpha,
.page-products #pf-sort-recent:checked ~ .pf-sort__panels #pf-panel-recent{
  display: block;
}
.page-products #pf-sort-board:focus-visible ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-board"],
.page-products #pf-sort-alpha:focus-visible ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-alpha"],
.page-products #pf-sort-recent:focus-visible ~ .pf-sort__tabs .pf-sort__tab[for="pf-sort-recent"]{
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.page-products .pf-index{
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pf-line);
}
.page-products .pf-index__row{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--pf-line);
}
.page-products .pf-index__no{
  flex: 0 0 auto;
  min-width: 20px;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gilt);
}
.page-products .pf-index__name{
  flex: 1 1 auto;
  font-size: .9rem;
  color: rgba(250,245,234,.92);
}
.page-products .pf-index__tag{
  flex: 0 1 auto;
  font-size: .71rem;
  letter-spacing: .04em;
  line-height: 1.5;
  text-align: right;
  color: var(--muted);
}
.page-products .pf-index--recent .pf-index__tag{
  color: var(--amber);
}

/* ---------- 设置 ---------- */
.page-products .pf-set{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 12px;
}
.page-products .pf-set__col{
  padding: 18px 18px 20px;
  border: 1px solid var(--pf-line);
  background: linear-gradient(180deg, rgba(30,76,92,.3), rgba(15,21,25,.55));
}
.page-products .pf-set__title{
  margin: 0 0 .9em;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.06rem;
  letter-spacing: .05em;
  color: var(--paper);
}
.page-products .pf-steps{
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pfstep;
}
.page-products .pf-steps li{
  position: relative;
  counter-increment: pfstep;
  padding: 0 0 14px 30px;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(250,245,234,.82);
}
.page-products .pf-steps li:last-child{
  padding-bottom: 0;
}
.page-products .pf-steps li::before{
  content: counter(pfstep, decimal-leading-zero);
  position: absolute;
  top: .22em;
  left: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gilt);
}
.page-products .pf-steps li::after{
  content: "";
  position: absolute;
  top: .95em;
  left: 22px;
  width: 4px;
  height: 1px;
  background: var(--pf-hair);
}

/* ---------- 拖动示意 ---------- */
.page-products .pf-drag{
  padding: 16px;
  border: 1px solid var(--pf-hair);
  background: linear-gradient(180deg, rgba(239,228,210,.06), rgba(15,21,25,.6));
}
.page-products .pf-drag__cap{
  margin: 0 0 12px;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--amber);
}
.page-products .pf-drag__list{
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pf-drag__item{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  font-size: .9rem;
  color: rgba(250,245,234,.9);
  background: rgba(10,15,18,.82);
  border: 1px solid var(--pf-line);
}
.page-products .pf-drag__item::before{
  content: "≡";
  font-size: .95rem;
  line-height: 1;
  color: var(--muted);
}
.page-products .pf-drag__no{
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--gilt);
}
.page-products .pf-drag__item--lift{
  border-color: var(--amber);
  animation: pfLift 8s var(--ease) infinite;
}
@keyframes pfLift{
  0%, 14%{
    transform: translateY(0) scale(1);
    box-shadow: none;
  }
  32%, 56%{
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 16px 28px rgba(0,0,0,.5);
  }
  74%, 100%{
    transform: translateY(0) scale(1);
    box-shadow: none;
  }
}

/* ---------- 条目清单 ---------- */
.page-products .pf-list{
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pf-line);
}
.page-products .pf-list li{
  position: relative;
  padding: 13px 0 13px 20px;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(250,245,234,.84);
  border-bottom: 1px solid var(--pf-line);
}
.page-products .pf-list li::before{
  content: "";
  position: absolute;
  top: 1.55em;
  left: 2px;
  width: 9px;
  height: 1px;
  background: var(--gilt);
}
.page-products .pf-list strong{
  font-weight: 500;
  color: var(--ivory);
}
.page-products .pf-body-block{
  min-width: 0;
}

/* ---------- 卡片组 ---------- */
.page-products .pf-cards{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 12px;
}
.page-products .pf-card{
  padding: 18px 18px 20px;
  border: 1px solid var(--pf-line);
  border-left: 2px solid rgba(168,84,47,.75);
  background: linear-gradient(180deg, rgba(19,30,36,.85), rgba(10,15,18,.7));
}
.page-products .pf-card__title{
  margin: 0 0 .6em;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: .05em;
  color: var(--paper);
}
.page-products .pf-card .pf-p{
  margin: 0;
}

/* ---------- 路径入口 ---------- */
.page-products .pf-paths{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 1px;
  background: var(--pf-hair);
  border: 1px solid var(--pf-hair);
}
.page-products .pf-paths__item{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 20px;
  text-decoration: none;
  background: rgba(15,21,25,.9);
  transition: background var(--dur) var(--ease);
}
.page-products .pf-paths__item:hover,
.page-products .pf-paths__item:focus-visible{
  background: rgba(30,76,92,.72);
}
.page-products .pf-paths__title{
  font-family: var(--font-serif);
  font-size: 1.02rem;
  letter-spacing: .06em;
  color: var(--amber);
}
.page-products .pf-paths__text{
  font-size: .86rem;
  line-height: 1.75;
  color: rgba(250,245,234,.78);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-products .pf-stats{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
  .page-products .pf-boards{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 12px 14px;
  }
  .page-products .pf-boards .brd:nth-child(even){
    transform: translateY(16px);
  }
  .page-products .pf-cards,
  .page-products .pf-paths{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (min-width: 900px){
  .page-products .pf-set{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 14px;
  }
  .page-products .pf-split{
    grid-template-columns: 1.02fr .98fr;
    gap: clamp(20px,3.4vw,40px);
  }
  .page-products .pf-split--set{
    grid-template-columns: .78fr 1.22fr;
    align-items: stretch;
  }
  .page-products .pf-cards--three{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .page-products .pf-index{
    border-top: 1px solid var(--pf-line);
  }
}

@media (min-width: 1080px){
  .page-products .pf-boards{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 14px 16px;
    padding-bottom: 22px;
  }
  .page-products .pf-boards .brd:nth-child(even){
    transform: none;
  }
  .page-products .pf-boards .brd:nth-child(3n+2){
    transform: translateY(18px);
  }
  .page-products .pf-hero__frame{
    padding-right: clamp(36px,5vw,64px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products .pf-drag__item--lift{
    animation: none;
    transform: none;
    box-shadow: none;
  }
  .page-products .brd,
  .page-products .pf-paths__item,
  .page-products .pf-sort__tab{
    transition: none;
  }
}