.page-products {
  --pr-line: rgba(170, 184, 200, 0.18);
  --pr-line-strong: rgba(170, 184, 200, 0.32);
  --pr-soft: #D6E0EC;
  --pr-paper: #F5EBD8;
  --pr-paper-deep: #EBDCC0;
  --pr-paper-line: rgba(26, 47, 73, 0.18);
  --pr-gutter: 1.25rem;
  background:
    radial-gradient(120% 80% at 8% -10%, #12263F 0%, rgba(8, 17, 31, 0) 62%),
    var(--ink-950);
  color: var(--cream-100);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: 0;
}

.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 1.1rem var(--pr-gutter) 0;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--slate-300);
}

.page-products .breadcrumbs a {
  color: var(--slate-300);
  text-decoration: none;
}

.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible {
  color: var(--cyan-400);
}

.page-products .breadcrumbs [aria-current="page"] {
  color: var(--amber-400);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 1.4rem var(--pr-gutter) 2.6rem;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pr-hero .eyebrow {
  color: var(--amber-400);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  margin: 0;
  text-transform: uppercase;
}

.page-products .pr-hero h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 8vw, 3.9rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.page-products .pr-hero h1 em {
  font-style: normal;
  color: var(--amber-400);
  display: inline-block;
}

.page-products .pr-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--pr-soft);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-products .pr-hero__media {
  margin: 0;
  position: relative;
}

.page-products .pr-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pr-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  object-fit: cover;
}

.page-products .pr-hero__media::before {
  content: "";
  position: absolute;
  top: -0.55rem;
  left: -0.55rem;
  width: 3.2rem;
  height: 3.2rem;
  border-top: 2px solid var(--coral-500);
  border-left: 2px solid var(--coral-500);
  pointer-events: none;
}

.page-products .pr-hero__media .media-caption {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--slate-300);
  font-family: var(--font-mono);
}

.page-products .pr-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2.4rem 0 0;
  padding: 1px;
  background: var(--pr-line);
  border: 1px solid var(--pr-line);
}

.page-products .pr-strip li {
  background: var(--ink-850);
  padding: 0.95rem 0.9rem;
}

.page-products .pr-strip .num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.55rem;
  line-height: 1;
  color: var(--cyan-400);
}

.page-products .pr-strip .label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  color: var(--slate-300);
}

/* ---------- 通用章节 ---------- */
.page-products .pr-section {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 2.6rem var(--pr-gutter);
}

.page-products .pr-head {
  max-width: 42rem;
}

.page-products .pr-head .eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  text-transform: uppercase;
}

.page-products .pr-head h2,
.page-products .pr-chapter h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 5vw, 2.5rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
}

.page-products .pr-lede {
  margin: 0.9rem 0 0;
  max-width: 36em;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--pr-soft);
}

/* ---------- 四端总览 ---------- */
.page-products .pr-lines {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--pr-line);
}

.page-products .pr-line {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  padding: 1.15rem 0.2rem;
  border-bottom: 1px solid var(--pr-line);
  transition: background 0.18s var(--ease);
}

.page-products .pr-line:hover {
  background: rgba(69, 224, 209, 0.05);
}

.page-products .pr-line__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
  color: var(--amber-400);
  padding-top: 0.32rem;
}

.page-products .pr-line__name {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-products .pr-line__desc {
  margin: 0.3rem 0 0;
  grid-column: 2;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--slate-300);
}

.page-products .pr-line__pills {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.page-products .pr-line .tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--slate-300);
  border: 1px solid var(--pr-line-strong);
  padding: 0.16rem 0.5rem;
  border-radius: 999px;
}

/* ---------- 产品章节 ---------- */
.page-products .pr-chapter {
  display: grid;
  gap: 1.6rem;
  padding: 1.4rem 0 0.4rem;
}

.page-products .pr-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--coral-500);
  text-transform: uppercase;
}

.page-products .pr-feat {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.72rem;
}

.page-products .pr-feat li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--pr-soft);
}

.page-products .pr-feat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--cyan-400);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 50% 100%, 0 68%);
}

.page-products .pr-chapter__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-products .pr-chapter__media {
  margin: 0;
  position: relative;
}

.page-products .pr-chapter__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pr-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  object-fit: cover;
}

.page-products .pr-chapter__media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 24px;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--amber-400));
}

.page-products .pr-chapter__media .media-caption {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  color: var(--slate-300);
  font-family: var(--font-mono);
}

.page-products .pr-chapter__media--tall img {
  max-height: 30rem;
  object-position: center;
}

.page-products .pr-chapter__media--paper img {
  border-color: var(--pr-paper-deep);
}

/* ---------- 自查流程 ---------- */
.page-products .pr-flow {
  margin-top: 2.2rem;
  padding: 1.4rem 1.15rem;
  background: var(--ink-850);
  border-left: 3px solid var(--rose-500);
  display: grid;
  gap: 1.3rem;
}

.page-products .pr-flow__art {
  overflow: hidden;
}

.page-products .pr-flow__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-flow__track {
  stroke: var(--ink-700);
  stroke-width: 3;
  fill: none;
}

.page-products .pr-flow__pulse {
  stroke: var(--cyan-400);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 10 16;
  opacity: 0.85;
  animation: pr-flow-dash 4s linear infinite;
}

.page-products .pr-flow__node {
  fill: var(--ink-950);
  stroke: var(--cyan-400);
  stroke-width: 3;
}

.page-products .pr-flow__node--end {
  fill: var(--amber-400);
  stroke: var(--amber-400);
}

.page-products .pr-flow__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pr-flow__steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.62rem;
}

.page-products .pr-flow__steps li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.5rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pr-soft);
}

.page-products .pr-flow__steps .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  color: var(--rose-500);
  padding-top: 0.24rem;
}

.page-products .pr-flow__note {
  margin: 1rem 0 1.1rem;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--slate-300);
}

@keyframes pr-flow-dash {
  to {
    stroke-dashoffset: -104;
  }
}

/* ---------- 场景筛选 ---------- */
.page-products .pr-scene {
  background: var(--ink-850);
  border-top: 1px solid var(--pr-line);
  border-bottom: 1px solid var(--pr-line);
  padding: 2.6rem var(--pr-gutter);
}

.page-products .pr-scene__inner {
  max-width: var(--shell);
  margin: 0 auto;
}

.page-products .pr-filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.page-products .pr-filterbar .filter-btn {
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--pr-line-strong);
  background: transparent;
  color: var(--pr-soft);
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .pr-filterbar .filter-btn:hover,
.page-products .pr-filterbar .filter-btn:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

.page-products .pr-filterbar .filter-btn[aria-pressed="true"] {
  background: var(--amber-400);
  border-color: var(--amber-400);
  color: var(--ink-950);
  font-weight: 700;
}

.page-products .filter-status {
  margin: 0.85rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--slate-300);
}

.page-products .pr-cards {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.page-products .pr-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.05rem 1rem;
  background: var(--ink-950);
  border: 1px solid var(--pr-line-strong);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .pr-card:hover {
  transform: translateY(-3px);
  border-color: var(--amber-400);
}

.page-products .pr-card__name {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream-100);
}

.page-products .pr-card__line {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--slate-300);
}

.page-products .pr-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
}

.page-products .pr-card__tags span {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  border: 1px solid rgba(69, 224, 209, 0.4);
  padding: 0.14rem 0.46rem;
  border-radius: 999px;
}

.page-products .pr-card__link {
  margin-top: auto;
  padding-top: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--amber-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
}

.page-products .pr-card__link:hover,
.page-products .pr-card__link:focus-visible {
  border-bottom-color: var(--amber-400);
}

/* ---------- 对照表 ---------- */
.page-products .pr-paper {
  background: var(--pr-paper);
  color: var(--ink-950);
  padding: 1.6rem 1.1rem 1.4rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .pr-eyebrow--ink {
  color: var(--amber-ink);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  margin: 0;
  text-transform: uppercase;
}

.page-products .pr-paper__head h2 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.8vw, 2.3rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--ink-950);
}

.page-products .pr-lede--ink {
  color: #3E4C60;
  font-size: 0.92rem;
}

.page-products .pr-table-wrap {
  margin-top: 1.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pr-paper-line);
}

.page-products .pr-table {
  width: 100%;
  min-width: 52rem;
  border-collapse: collapse;
  font-size: 0.84rem;
  line-height: 1.65;
}

.page-products .pr-table thead th {
  position: sticky;
  top: 0;
  background: var(--pr-paper-deep);
  text-align: left;
  padding: 0.75rem 0.8rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--amber-ink);
  border-bottom: 1px solid var(--pr-paper-line);
  white-space: nowrap;
}

.page-products .pr-table tbody th,
.page-products .pr-table tbody td {
  padding: 0.85rem 0.8rem;
  vertical-align: top;
  text-align: left;
  border-bottom: 1px solid var(--pr-paper-line);
  color: #2A3A4E;
}

.page-products .pr-table tbody th {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-950);
  white-space: nowrap;
}

.page-products .pr-table th:first-child,
.page-products .pr-table td:first-child {
  position: sticky;
  left: 0;
  background: var(--pr-paper);
  z-index: 2;
  border-right: 1px solid var(--pr-paper-line);
}

.page-products .pr-table thead th:first-child {
  background: var(--pr-paper-deep);
  z-index: 3;
}

.page-products .pr-table tbody tr {
  transition: background 0.16s var(--ease);
}

.page-products .pr-table tbody tr:hover td,
.page-products .pr-table tbody tr:focus-within td {
  background: #EFE1C6;
}

.page-products .pr-table tbody tr:hover th:first-child,
.page-products .pr-table tbody tr:focus-within th:first-child {
  background: #EFE1C6;
  color: var(--amber-ink);
}

.page-products .pr-paper__foot {
  margin-top: 1.4rem;
  display: grid;
  gap: 1rem;
}

.page-products .pr-paper__note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.78;
  color: #46566B;
}

.page-products .pr-paper__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-products .pr-btn--ink {
  border-color: rgba(26, 47, 73, 0.45);
  color: var(--ink-950);
}

.page-products .pr-btn--ink:hover,
.page-products .pr-btn--ink:focus-visible {
  border-color: var(--ink-950);
  color: var(--ink-950);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products {
    --pr-gutter: 1.75rem;
  }

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

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

  .page-products .pr-paper {
    padding: 2rem 1.75rem 1.7rem;
  }
}

@media (min-width: 860px) {
  .page-products .pr-hero {
    padding-top: 2rem;
  }

  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: 3rem;
  }

  .page-products .pr-line {
    grid-template-columns: 2.6rem minmax(0, 11rem) minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 0.4rem;
  }

  .page-products .pr-line__desc {
    grid-column: auto;
    margin-top: 0;
  }

  .page-products .pr-line__pills {
    grid-column: auto;
    justify-content: flex-end;
    flex-wrap: nowrap;
    margin-top: 0;
  }

  .page-products .pr-chapter {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
    padding-top: 1rem;
  }

  .page-products .pr-chapter--flip .pr-chapter__media {
    order: -1;
  }

  .page-products .pr-chapter__media--wide {
    grid-column: span 1;
  }

  .page-products .pr-flow {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    align-items: start;
    gap: 2rem;
    padding: 1.8rem 1.6rem;
  }

  .page-products .pr-flow__art {
    padding-top: 0.6rem;
  }

  .page-products .pr-paper__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 1080px) {
  .page-products .pr-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pr-section {
    padding-top: 3.2rem;
    padding-bottom: 3.2rem;
  }

  .page-products .pr-hero__media img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-flow__pulse {
    animation: none;
  }

  .page-products .pr-card,
  .page-products .pr-line {
    transition: none;
  }
}