.page-products {
  --pf-cut: 18px;
  --pf-cut-lg: 26px;
  --pf-text-soft: rgba(244, 239, 228, .84);
  --pf-text-dim: rgba(244, 239, 228, .62);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-products .shell {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-hero__pattern {
  position: absolute;
  inset: 0;
  opacity: .26;
  pointer-events: none;
}

.page-products .pf-hero__pattern img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pf-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.8rem);
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
}

.page-products .breadcrumb__list > li:not(:last-child)::after {
  content: "/";
  margin-left: .5rem;
  color: var(--gold);
}

.page-products .pf-kicker {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pf-kicker--slate {
  color: #9FB8C4;
}

.page-products .pf-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.9rem, 6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-products .pf-title em {
  font-style: normal;
  color: var(--gold-bright);
}

.page-products .pf-lead {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--pf-text-soft);
}

.page-products .pf-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 1.8rem 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pf-metric {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .9rem 1rem;
  background: rgba(11, 11, 13, .78);
}

.page-products .pf-metric__num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-products .pf-metric__label {
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--archive);
}

.page-products .pf-jump {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
}

.page-products .pf-jump a {
  display: inline-block;
  padding-bottom: 2px;
  color: var(--archive);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-jump a:hover,
.page-products .pf-jump a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

/* ---------- 通用章节 ---------- */
.page-products .pf-sec {
  padding: clamp(2.4rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-sec__title {
  margin: 0 0 .9rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pf-sec__lead {
  max-width: 64ch;
  margin: 0 0 1.6rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pf-text-soft);
}

.page-products .pf-body {
  max-width: 66ch;
  margin: 0 0 1rem;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--pf-text-soft);
}

.page-products .pf-body strong {
  color: var(--gold-bright);
  font-weight: 700;
}

/* ---------- 图片容器 ---------- */
.page-products .pf-figure {
  margin: 0;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

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

.page-products .pf-figure__cap {
  padding: .7rem 1rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--archive);
}

/* ---------- 总览 ---------- */
.page-products .pf-overview {
  display: grid;
  gap: 2rem;
}

.page-products .pf-overview__text .pf-body:last-child {
  margin-bottom: 0;
}

/* ---------- 图例 ---------- */
.page-products .pf-legend {
  display: grid;
  gap: 1.4rem;
  margin-bottom: 1.6rem;
}

.page-products .pf-legend__list {
  display: grid;
  gap: .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-legend__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .8rem;
  align-items: start;
  padding: .8rem .9rem;
  background: var(--ink-2);
  border-left: 2px solid var(--line-strong);
}

.page-products .pf-legend__list p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--pf-text-soft);
}

/* ---------- 筛选 ---------- */
.page-products .pf-filter {
  position: relative;
  margin-top: 1.4rem;
}

.page-products .pf-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .pf-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-pill {
  display: inline-flex;
  align-items: center;
  padding: .45rem 1.05rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--archive);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pf-pill:hover {
  color: var(--paper);
  border-color: var(--line-strong);
}

.page-products #pf-f-all:checked ~ .pf-pills .pf-pill--all {
  color: var(--ink);
  background: var(--gold-bright);
  border-color: var(--gold-bright);
}

.page-products #pf-f-compat:checked ~ .pf-pills .pf-pill--compat {
  color: var(--paper);
  background: var(--compat);
  border-color: var(--compat);
}

.page-products #pf-f-pending:checked ~ .pf-pills .pf-pill--pending {
  color: var(--paper);
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-products #pf-f-archived:checked ~ .pf-pills .pf-pill--archived {
  color: var(--ink);
  background: var(--slate);
  border-color: var(--slate);
}

.page-products #pf-f-all:focus-visible ~ .pf-pills .pf-pill--all,
.page-products #pf-f-compat:focus-visible ~ .pf-pills .pf-pill--compat,
.page-products #pf-f-pending:focus-visible ~ .pf-pills .pf-pill--pending,
.page-products #pf-f-archived:focus-visible ~ .pf-pills .pf-pill--archived {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

.page-products #pf-f-compat:checked ~ .pf-list .pf-item:not([data-state="compat"]),
.page-products #pf-f-pending:checked ~ .pf-list .pf-item:not([data-state="pending"]),
.page-products #pf-f-archived:checked ~ .pf-list .pf-item:not([data-state="archived"]) {
  display: none;
}

/* ---------- 清单卡片 ---------- */
.page-products .pf-list {
  display: grid;
  gap: .85rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-item {
  position: relative;
  padding: 1.1rem 1.1rem 1.1rem 1.4rem;
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: background-color var(--dur) var(--ease);
}

.page-products .pf-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--line-strong);
  transition: background-color var(--dur) var(--ease);
}

.page-products .pf-item:hover {
  background: var(--ink-3);
}

.page-products .pf-item:hover::before {
  background: var(--gold);
}

.page-products .pf-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .75rem;
}

.page-products .pf-item__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .pf-item__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pf-item__head .tag {
  margin-left: auto;
}

.page-products .pf-item__cue {
  margin: .6rem 0 0;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--pf-text-soft);
}

.page-products .pf-item__more {
  margin-top: .4rem;
}

.page-products .pf-item__more > summary {
  display: inline-block;
  padding: .45rem 0 .1rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--gold);
  cursor: pointer;
  list-style: none;
}

.page-products .pf-item__more > summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-item__more > summary::after {
  content: " +";
}

.page-products .pf-item__more[open] > summary::after {
  content: " −";
}

.page-products .pf-item__more p {
  margin: .5rem 0 0;
  padding-left: .9rem;
  border-left: 1px solid var(--line);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--pf-text-dim);
}

/* ---------- 四步流程 ---------- */
.page-products .pf-flow {
  display: grid;
  gap: 2rem;
}

.page-products .pf-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-step {
  position: relative;
  padding: 1.1rem 0 1.2rem 3.3rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pf-step:last-child {
  border-bottom: 0;
}

.page-products .pf-step__num {
  position: absolute;
  top: 1.05rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--gold-bright);
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-products .pf-step::before {
  content: "";
  position: absolute;
  top: 3.4rem;
  bottom: -.1rem;
  left: 1.07rem;
  width: 1px;
  background: var(--line);
}

.page-products .pf-step:last-child::before {
  display: none;
}

.page-products .pf-step__title {
  margin: 0 0 .35rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.06rem;
  color: var(--paper);
}

.page-products .pf-step__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--pf-text-soft);
}

/* ---------- 旧版资料区 ---------- */
.page-products .pf-legacy {
  background: linear-gradient(150deg, var(--deep-teal) 0%, #17262D 58%, #101A1F 100%);
  border-top: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
}

.page-products .pf-legacy__inner {
  padding-top: clamp(2.4rem, 5vw, 4rem);
  padding-bottom: clamp(2.4rem, 5vw, 4rem);
}

.page-products .pf-legacy__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pf-legacy__text .pf-body:last-child {
  margin-bottom: 0;
}

.page-products .pf-modes {
  display: grid;
  gap: .7rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}

.page-products .pf-modes li {
  padding: .85rem 1rem;
  background: rgba(11, 11, 13, .42);
  border-left: 3px solid var(--slate);
}

.page-products .pf-modes__title {
  margin: 0 0 .3rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold-bright);
}

.page-products .pf-modes p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--pf-text-soft);
}

.page-products .pf-figure--legacy {
  border-color: rgba(94, 122, 138, .55);
  background: #16242B;
}

/* ---------- 更新节奏 ---------- */
.page-products .pf-cadence {
  display: grid;
  gap: 1.2rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.page-products .pf-cadence li {
  padding-top: .9rem;
  border-top: 1px solid var(--line-strong);
}

.page-products .pf-cadence__when {
  display: block;
  margin-bottom: .45rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .pf-cadence__title {
  margin: 0 0 .35rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-products .pf-cadence p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--pf-text-soft);
}

.page-products .pf-cadence + .pf-body {
  margin-bottom: 0;
}

/* ---------- 收藏与入口 ---------- */
.page-products .pf-save {
  padding: clamp(1.5rem, 4vw, 2.6rem);
  background: var(--deep-teal);
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-products .pf-save__title {
  margin: 0 0 .8rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-products .pf-save__text {
  max-width: 60ch;
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--pf-text-soft);
}

.page-products .pf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pf-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-legend {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-products .pf-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-overview {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 2.6rem;
  }

  .page-products .pf-legacy__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 2.6rem;
  }

  .page-products .pf-flow {
    grid-template-columns: minmax(0, 1fr) 420px;
    align-items: start;
    gap: 2.6rem;
  }

  .page-products .pf-flow__fig {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .pf-item {
    padding: 1.25rem 1.4rem 1.25rem 1.7rem;
  }
}

@media (min-width: 1100px) {
  .page-products .pf-legend {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-jump a,
  .page-products .pf-pill,
  .page-products .pf-item,
  .page-products .pf-item::before {
    transition: none;
  }
}
<<<END>>>