.page-products {
  --pf-glass: rgba(247, 244, 238, 0.05);
  --pf-glass-strong: rgba(247, 244, 238, 0.09);
  --pf-cut: 18px;
  background: var(--navy);
  color: var(--warm);
  overflow-x: hidden;
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-products .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: clamp(14px, 2.4vw, 22px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rock);
}

.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--warm);
}

/* ---------- 首屏 ---------- */

.page-products .pf-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 110% at 88% -10%, rgba(255, 107, 44, 0.2), transparent 58%),
    linear-gradient(158deg, var(--midnight) 0%, var(--navy) 62%);
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  left: 32%;
  right: -14%;
  bottom: -58%;
  height: 62%;
  background: linear-gradient(118deg, rgba(79, 174, 159, 0.16), rgba(11, 31, 58, 0));
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-products .pf-hero__stamp {
  position: absolute;
  top: clamp(-6px, 1vw, 12px);
  right: clamp(-10px, 2vw, 28px);
  font-family: var(--font-mono);
  font-size: clamp(64px, 17vw, 168px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 209, 218, 0.24);
  pointer-events: none;
  user-select: none;
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pf-hero__copy {
  max-width: 62ch;
}

.page-products .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon);
  text-transform: uppercase;
}

.page-products .eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.page-products h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-products .lead {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-products .pf-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 40px);
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-products .pf-hero__meta-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-products .pf-hero__meta-item dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-products .pf-hero__figure {
  position: relative;
  margin: 0;
  padding: 10px;
  background: var(--pf-glass);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}

.page-products .pf-hero__figure::before {
  content: "";
  position: absolute;
  inset: auto -1px -1px auto;
  width: 56%;
  height: 46%;
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.16), transparent 70%);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pf-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1px;
  object-fit: cover;
}

.page-products .pf-hero__figure figcaption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 通用章节 ---------- */

.page-products .pf-section {
  padding: clamp(38px, 6vw, 76px) 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-section--alt {
  background: linear-gradient(180deg, var(--midnight) 0%, rgba(19, 43, 74, 0.55) 100%);
}

.page-products .pf-section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-products .pf-idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-products .section-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-products .pf-lead {
  color: var(--mist);
}

.page-products .pf-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--pf-glass);
  padding: 8px;
}

.page-products .pf-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 1px;
}

.page-products .pf-figure figcaption {
  margin-top: 8px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--celadon);
}

/* ---------- 版本资料库 ---------- */

.page-products .pf-library {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 36px);
  align-items: start;
}

.page-products .pf-index {
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--pf-glass);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-products .pf-index__block + .pf-index__block {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--line-strong);
}

.page-products .pf-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-products .pf-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pf-index__list li {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 107, 44, 0.4);
  font-size: 13px;
  line-height: 1.6;
  color: var(--warm);
}

.page-products .pf-index__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pf-index__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-products .pf-index__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
}

.page-products .pf-index__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pf-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--warm);
  color: var(--ink);
  border-radius: var(--radius);
  border-left: 3px solid var(--orange);
  box-shadow: 0 18px 32px -28px rgba(0, 0, 0, 0.9);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.page-products .pf-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 40px -30px rgba(0, 0, 0, 0.95);
}

.page-products .pf-card__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.page-products .pf-card__ver {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-products .pf-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
}

.page-products .pf-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #4a5568;
}

.page-products .pf-details {
  margin-top: 14px;
  border-top: 1px solid rgba(11, 31, 58, 0.12);
  padding-top: 10px;
}

.page-products .pf-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--clay);
  list-style: none;
}

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

.page-products .pf-details summary::after {
  content: " +";
  font-weight: 700;
}

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

.page-products .pf-details summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products .pf-details ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: #3f4a5a;
}

/* 状态标签在浅底卡片内的可读性 */
.page-products .pf-card .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* ---------- 检索方式 ---------- */

.page-products .pf-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 22px);
  counter-reset: none;
}

.page-products .pf-path {
  position: relative;
  padding: clamp(20px, 2.8vw, 28px);
  background: var(--pf-glass);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
}

.page-products .pf-path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(255, 107, 44, 0.85);
  margin-bottom: 14px;
}

.page-products .pf-path__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--warm);
}

.page-products .pf-path p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-path__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 174, 159, 0.5);
  padding-bottom: 2px;
}

.page-products .pf-path__link:hover,
.page-products .pf-path__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 稳定版说明 ---------- */

.page-products .pf-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .pf-versions__copy p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pf-versions__copy .btn {
  margin-top: 8px;
}

.page-products .pf-cycle {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line-strong);
}

.page-products .pf-cycle__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px) clamp(20px, 3vw, 28px);
}

.page-products .pf-cycle__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.16);
}

.page-products .pf-cycle__item h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pf-cycle__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 兼容矩阵 ---------- */

.page-products .pf-matrix__scroll {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--pf-glass);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-matrix {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pf-matrix__caption {
  caption-side: top;
  padding: 14px 16px 4px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rock);
}

.page-products .pf-matrix th,
.page-products .pf-matrix td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.65;
}

.page-products .pf-matrix thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--celadon);
  background: rgba(11, 31, 58, 0.55);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.page-products .pf-matrix tbody th {
  font-weight: 700;
  color: var(--warm);
  white-space: nowrap;
}

.page-products .pf-matrix td {
  color: var(--mist);
}

.page-products .pf-matrix tbody tr:hover {
  background: rgba(247, 244, 238, 0.04);
}

.page-products .pf-matrix__mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warm);
  white-space: nowrap;
}

.page-products .pf-matrix__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 平板端工具包 ---------- */

.page-products .pf-tablet {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: center;
}

.page-products .pf-tablet__figure {
  margin: 0;
}

.page-products .pf-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pf-checklist li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--warm);
}

.page-products .pf-checklist__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--celadon);
  border-radius: 2px;
}

.page-products .pf-checklist__mark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--celadon);
  border-bottom: 2px solid var(--celadon);
  transform: rotate(42deg);
}

.page-products .pf-tablet__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* ---------- 故障代码索引 ---------- */

.page-products .pf-codes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pf-code {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--pf-glass);
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--celadon);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pf-code--e { border-top-color: var(--clay); }
.page-products .pf-code--l { border-top-color: var(--orange); }
.page-products .pf-code--d { border-top-color: var(--celadon); }
.page-products .pf-code--n { border-top-color: var(--moss); }

.page-products .pf-code__letter {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: rgba(247, 244, 238, 0.14);
  margin-bottom: 8px;
}

.page-products .pf-code h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-products .pf-code p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pf-codes__foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  margin-top: clamp(24px, 3.6vw, 40px);
  padding-top: clamp(24px, 3.6vw, 36px);
  border-top: 1px dashed var(--line-strong);
}

.page-products .pf-codes__foot .pf-figure {
  margin: 0;
}

.page-products .pf-codes__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--warm);
}

.page-products .pf-codes__text p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */

.page-products .pf-outro {
  position: relative;
  margin-top: clamp(30px, 5vw, 60px);
  padding: clamp(36px, 6vw, 76px) 0;
  background:
    radial-gradient(100% 120% at 10% 0%, rgba(255, 107, 44, 0.16), transparent 60%),
    linear-gradient(200deg, var(--midnight) 0%, var(--navy) 90%);
  border-top: 1px solid var(--line-strong);
}

.page-products .pf-outro__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .pf-outro__figure {
  margin: 0;
  max-width: 420px;
}

.page-products .pf-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-products .btn:focus-visible,
.page-products a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

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

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

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

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-products .pf-hero__figure {
    margin-top: clamp(10px, 2vw, 28px);
  }

  .page-products .pf-library {
    grid-template-columns: 3fr 9fr;
  }

  .page-products .pf-index {
    position: sticky;
    top: 96px;
  }

  .page-products .pf-versions {
    grid-template-columns: 6fr 6fr;
  }

  .page-products .pf-tablet {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .pf-tablet__figure {
    order: -1;
  }

  .page-products .pf-codes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-codes__foot {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .pf-outro__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .pf-outro__figure {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-card {
    transition: none;
  }

  .page-products .pf-card:hover {
    transform: none;
  }
}