.page-products {
  --pp-card: rgba(18, 26, 35, 0.82);
  --pp-hair: rgba(201, 206, 214, 0.16);
  --pp-hair-strong: rgba(201, 206, 214, 0.32);
  --pp-muted: rgba(244, 241, 234, 0.76);
  --pp-gap: clamp(2.6rem, 6vw, 5.25rem);
  --pp-cut: 18px;
  display: block;
  background:
    radial-gradient(1100px 620px at 8% -8%, rgba(16, 42, 67, 0.88), rgba(11, 15, 20, 0) 62%),
    radial-gradient(880px 540px at 96% 2%, rgba(42, 18, 48, 0.72), rgba(11, 15, 20, 0) 58%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: clip;
}

.page-products [id] {
  scroll-margin-top: 96px;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products figcaption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--pp-muted);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(2.75rem, 6vw, 5rem);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-products .pp-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 clamp(1rem, 2.4vw, 1.6rem);
}

.page-products .pp-hero__title {
  margin: 0 0 clamp(1rem, 2.4vw, 1.5rem);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 7.6vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--white);
  text-wrap: balance;
}

.page-products .pp-hero__title span {
  display: block;
  margin-top: 0.55em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.4em;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-products .pp-hero__lede {
  max-width: 60ch;
  margin: 0 0 clamp(1.5rem, 3.4vw, 2.25rem);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--pp-muted);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  align-content: start;
}

.page-products .pp-stat {
  padding: clamp(0.95rem, 2.4vw, 1.35rem);
  background: linear-gradient(160deg, rgba(16, 42, 67, 0.85), rgba(11, 15, 20, 0.65));
  border: 1px solid var(--pp-hair);
  border-left: 2px solid var(--pp-tone, var(--amber));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .pp-stat--ruby { --pp-tone: var(--ruby); }
.page-products .pp-stat--amber { --pp-tone: var(--amber); }
.page-products .pp-stat--emerald { --pp-tone: var(--emerald); }
.page-products .pp-stat--sea { --pp-tone: #3E6E9E; }

.page-products .pp-stat__val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--white);
}

.page-products .pp-stat__key {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--pp-muted);
}

/* ---------- 章节标题 ---------- */

.page-products .pp-zone,
.page-products .pp-benefits,
.page-products .pp-resources,
.page-products .pp-version,
.page-products .pp-export,
.page-products .pp-path {
  padding: var(--pp-gap) 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-path {
  border-bottom: 0;
}

.page-products .pp-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(0.85rem, 2.6vw, 1.75rem);
  row-gap: 0.4rem;
  align-items: start;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .pp-head__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  padding-top: 0.12em;
  color: var(--ruby);
}

.page-products .pp-head__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.8vw, 2.35rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .pp-head__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9688rem;
  color: var(--pp-muted);
}

/* ---------- 01 四区总览 ---------- */

.page-products .pp-zone__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .pp-zone__figure {
  margin: 0;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(150deg, rgba(16, 42, 67, 0.55), rgba(42, 18, 48, 0.35));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pp-zone__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-products .pp-zone__figure figcaption {
  padding: 0.7rem 1rem 0.9rem;
  background: rgba(11, 15, 20, 0.7);
}

.page-products .pp-zone__list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-zone-card {
  padding: clamp(1.05rem, 2.6vw, 1.55rem);
  background: var(--pp-card);
  border-left: 2px solid var(--pp-tone, var(--ruby));
}

.page-products .pp-zone-card--ruby { --pp-tone: var(--ruby); }
.page-products .pp-zone-card--amber { --pp-tone: var(--amber); }
.page-products .pp-zone-card--emerald { --pp-tone: var(--emerald); }
.page-products .pp-zone-card--sea { --pp-tone: #3E6E9E; }

.page-products .pp-zone-card__idx {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pp-tone, var(--ruby));
}

.page-products .pp-zone-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-products .pp-zone-card__text {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

/* ---------- 02 权益导航 ---------- */

.page-products .pp-benefit-grid {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.75rem, 2vw, 1.15rem);
  margin: 0;
  padding: 0;
}

.page-products .pp-benefit {
  padding: clamp(1.05rem, 2.4vw, 1.5rem);
  background: linear-gradient(170deg, rgba(18, 26, 35, 0.92), rgba(11, 15, 20, 0.72));
  border: 1px solid var(--pp-hair);
  border-top: 2px solid var(--pp-tone, var(--amber));
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-products .pp-benefit:nth-child(1) { --pp-tone: var(--ruby); }
.page-products .pp-benefit:nth-child(2) { --pp-tone: var(--amber); }
.page-products .pp-benefit:nth-child(3) { --pp-tone: var(--emerald); }
.page-products .pp-benefit:nth-child(4) { --pp-tone: #3E6E9E; }
.page-products .pp-benefit:nth-child(5) { --pp-tone: var(--ruby); }

.page-products .pp-benefit:hover {
  transform: translateY(-3px);
  border-color: var(--pp-hair-strong);
}

.page-products .pp-benefit__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .pp-benefit__text {
  margin: 0 0 0.85rem;
  font-size: 0.9063rem;
  color: var(--pp-muted);
}

.page-products .pp-benefit__meta {
  display: block;
  padding-top: 0.65rem;
  border-top: 1px solid var(--pp-hair);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.07em;
  color: var(--amber);
}

/* ---------- 03 资源下载 ---------- */

.page-products .pp-res__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-products .pp-res__figure {
  margin: 0;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(160deg, rgba(16, 42, 67, 0.5), rgba(11, 15, 20, 0.4));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pp-res__figure img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.page-products .pp-res__figure figcaption {
  padding: 0.7rem 1rem 0.9rem;
  background: rgba(11, 15, 20, 0.7);
}

.page-products .pp-res__figure--wide {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pp-res__figure--wide img {
  aspect-ratio: 10 / 7;
}

.page-products .pp-res__filters {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-products .pp-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--pp-muted);
  border: 1px solid var(--pp-hair-strong);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-products .pp-chip--on {
  background: var(--ruby);
  border-color: var(--ruby);
  color: var(--white);
}

.page-products .pp-chip--amber {
  border-color: var(--amber);
  color: var(--amber);
}

.page-products .pp-chip--emerald {
  border-color: var(--emerald);
  color: #5FD39C;
}

.page-products .pp-res__note {
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid var(--emerald);
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

.page-products .pp-res__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.3rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pp-res-card {
  position: relative;
  padding: clamp(1.05rem, 2.4vw, 1.5rem) clamp(1.05rem, 2.4vw, 1.5rem) clamp(1.05rem, 2.4vw, 1.5rem) clamp(1.2rem, 2.6vw, 1.7rem);
  background: var(--pp-card);
  border: 1px solid var(--pp-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-products .pp-res-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--ruby), var(--amber));
}

.page-products .pp-res-card:hover {
  border-color: var(--pp-hair-strong);
  background: rgba(22, 32, 43, 0.92);
}

.page-products .pp-res-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .pp-res-card__title {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .pp-res-card__text {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

.page-products .pp-res-card__meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 04 旧版切换 ---------- */

.page-products .pp-version__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-products .pp-version__points {
  list-style: none;
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-products .pp-version__points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9688rem;
  color: var(--pp-muted);
}

.page-products .pp-version__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.7rem;
  height: 2px;
  background: var(--emerald);
}

.page-products .pp-drawer {
  border: 1px solid var(--pp-hair);
  background: rgba(18, 26, 35, 0.7);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-products .pp-drawer > summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9688rem;
  color: var(--white);
  list-style: none;
}

.page-products .pp-drawer > summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-drawer > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--ruby);
}

.page-products .pp-drawer[open] > summary::before {
  content: "\2212";
}

.page-products .pp-drawer__body {
  padding: 0 1.1rem 1.15rem;
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

.page-products .pp-drawer__body p {
  margin: 0;
}

.page-products .pp-version__link,
.page-products .pp-export__link {
  margin: 1.25rem 0 0;
}

.page-products .pp-version__figure {
  margin: 0;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(200deg, rgba(16, 42, 67, 0.5), rgba(42, 18, 48, 0.4));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pp-version__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pp-version__figure figcaption {
  padding: 0.7rem 1rem 0.9rem;
  background: rgba(11, 15, 20, 0.7);
}

/* ---------- 05 记录导出 ---------- */

.page-products .pp-export__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: start;
}

.page-products .pp-export__figure {
  margin: 0;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(140deg, rgba(16, 42, 67, 0.55), rgba(11, 15, 20, 0.45));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pp-export__figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-products .pp-export__figure figcaption {
  padding: 0.7rem 1rem 0.9rem;
  background: rgba(11, 15, 20, 0.7);
}

.page-products .pp-format-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0 0 1.25rem;
  padding: 0;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
}

.page-products .pp-format {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  background: var(--ink-2);
  transition: background 0.25s ease;
}

.page-products .pp-format:hover {
  background: rgba(22, 32, 43, 0.95);
}

.page-products .pp-format__code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pp-format__desc {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

.page-products .pp-export__body .callout p {
  margin: 0;
}

/* ---------- 06 操作路径 ---------- */

.page-products .pp-path__steps {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 1.75rem);
  margin: 0;
  padding: 0;
}

.page-products .pp-path__step {
  position: relative;
  padding-top: 1.7rem;
  border-top: 2px solid var(--pp-hair-strong);
}

.page-products .pp-path__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: -2px;
  width: 36px;
  height: 2px;
  background: var(--pp-tone, var(--ruby));
}

.page-products .pp-path__step:nth-child(1) { --pp-tone: var(--ruby); }
.page-products .pp-path__step:nth-child(2) { --pp-tone: var(--amber); }
.page-products .pp-path__step:nth-child(3) { --pp-tone: var(--emerald); }

.page-products .pp-path__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--pp-tone, var(--ruby));
}

.page-products .pp-path__title {
  margin: 0.5rem 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .pp-path__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--pp-muted);
}

.page-products .pp-path__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.15rem, 3vw, 1.75rem);
  background: linear-gradient(135deg, rgba(16, 42, 67, 0.92), rgba(42, 18, 48, 0.72));
  border: 1px solid var(--pp-hair);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-products .pp-res__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-format {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.35rem 1.1rem;
  }
}

@media (min-width: 768px) {
  .page-products .pp-benefit__meta {
    font-size: 0.7rem;
  }

  .page-products .pp-zone__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-products .pp-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-zone__layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  .page-products .pp-zone__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pp-version__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  }

  .page-products .pp-export__layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

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

@media (min-width: 960px) {
  .page-products .pp-res__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-benefit-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-benefit,
  .page-products .pp-res-card,
  .page-products .pp-format {
    transition: none;
  }

  .page-products .pp-benefit:hover {
    transform: none;
  }
}