.page-products {
  --pp-bg: var(--slate-000);
  --pp-surface: #FFFFFF;
  --pp-ink: var(--ink-950);
  --pp-ink-2: #3C5566;
  --pp-ink-3: #57707F;
  --pp-line: var(--line-200);
  --pp-line-soft: rgba(7, 22, 38, 0.09);
  --pp-grid: rgba(7, 22, 38, 0.045);
  --pp-orange: var(--orange-500);
  --pp-orange-wash: #FFF3EB;
  --pp-cyan: var(--cyan-400);
  --pp-cyan-ink: var(--cyan-900);
  --pp-lemon: var(--lemon-300);
  --pp-mint: var(--mint-400);

  position: relative;
  display: block;
  background-color: var(--pp-bg);
  background-image:
    linear-gradient(var(--pp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--pp-ink);
  font-family: var(--f-sans);
  padding-block: clamp(20px, 3vw, 36px) clamp(56px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}
.page-products .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--pp-ink-3);
}
.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--pp-line);
}
.page-products .breadcrumb__item a {
  color: var(--pp-cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.page-products .breadcrumb__item a:hover {
  border-bottom-color: var(--pp-orange);
  color: var(--pp-ink);
}

/* ---------- 首屏 ---------- */
.pp-hero {
  padding-bottom: clamp(24px, 3vw, 36px);
}
.pp-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pp-cyan-ink);
}
.pp-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-size: clamp(32px, 5.6vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.pp-hero__text {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--pp-ink-2);
}
.pp-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 26px 0 0;
  padding: 12px 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
}
.pp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-right: 22px;
  font-size: 13px;
  color: var(--pp-ink-3);
}
.pp-hero__facts li + li {
  padding-left: 22px;
  border-left: 1px solid var(--pp-line);
}
.pp-hero__facts .mono {
  font-size: 22px;
  font-weight: 700;
  color: var(--pp-orange);
  letter-spacing: -0.01em;
}

/* ---------- 横向标签带 ---------- */
.pp-band {
  margin-top: clamp(20px, 3vw, 30px);
}
.pp-band__list {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  border-top: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  scrollbar-width: thin;
}
.pp-band__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--pp-ink-2);
  text-decoration: none;
  border-right: 1px solid var(--pp-line);
  scroll-snap-align: start;
  transition: background var(--ease), color var(--ease), box-shadow var(--ease);
}
.pp-band__tag .mono {
  font-size: 11px;
  color: var(--pp-ink-3);
  transition: color var(--ease);
}
.pp-band__tag:hover,
.pp-band__tag:focus-visible {
  background: var(--pp-orange-wash);
  color: var(--pp-ink);
  box-shadow: inset 0 -2px 0 var(--pp-orange);
}
.pp-band__tag:hover .mono,
.pp-band__tag:focus-visible .mono {
  color: var(--pp-orange);
}
.pp-band__tag--lead {
  background: var(--ink-950);
  color: var(--pp-lemon);
  font-weight: 700;
}
.pp-band__tag--lead:hover,
.pp-band__tag--lead:focus-visible {
  background: var(--pp-orange);
  color: var(--ink-950);
  box-shadow: none;
}

/* ---------- 三列层叠骨架 ---------- */
.pp-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: clamp(32px, 5vw, 56px);
}

/* ---------- 左：页内目录 ---------- */
.pp-nav__title {
  margin: 0 0 10px;
  padding-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-ink-3);
  border-bottom: 1px solid var(--pp-line);
}
.pp-nav__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}
.pp-nav__list a {
  display: block;
  padding: 8px 10px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--pp-ink-2);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.pp-nav__list a:hover,
.pp-nav__list a:focus-visible {
  border-bottom-color: var(--pp-orange);
  color: var(--pp-ink);
}

/* ---------- 右：速查旁注 ---------- */
.pp-quick {
  border: 1px solid var(--pp-line);
  background: var(--pp-surface);
}
.pp-quick__head {
  margin: 0;
  padding: 11px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-lemon);
  background: var(--ink-950);
}
.pp-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.pp-quick__list li + li {
  border-top: 1px solid var(--pp-line-soft);
}
.pp-quick__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pp-ink-2);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}
.pp-quick__list a:hover,
.pp-quick__list a:focus-visible {
  border-left-color: var(--pp-orange);
  background: var(--pp-orange-wash);
  color: var(--pp-ink);
}
.pp-quick__list .mono {
  font-size: 11px;
  color: var(--pp-ink-3);
}

/* ---------- 区块通用 ---------- */
.pp-sec {
  scroll-margin-top: 128px;
  padding-bottom: clamp(36px, 5vw, 60px);
}
.pp-sec + .pp-sec {
  padding-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--pp-line);
}
.pp-sec__head {
  position: relative;
  padding-left: 52px;
  margin-bottom: clamp(20px, 3vw, 30px);
}
.pp-sec__idx {
  position: absolute;
  left: 0;
  top: 3px;
  font-size: 22px;
  font-weight: 700;
  color: var(--pp-orange);
}
.pp-sec__idx::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 6px;
  background: var(--pp-lemon);
}
.pp-sec__head h2 {
  margin: 0;
  max-width: 26ch;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.pp-sec__sub {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-ink-2);
}

/* ---------- 横幅图 ---------- */
.pp-banner {
  margin: 0 0 clamp(20px, 3vw, 28px);
  border: 1px solid var(--pp-line);
  background: var(--ink-950);
  overflow: hidden;
}
.pp-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分类九宫格 ---------- */
.pp-catgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}
.pp-cat {
  background: var(--pp-surface);
}
.pp-cat details {
  height: 100%;
}
.pp-cat summary {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}
.pp-cat summary::-webkit-details-marker {
  display: none;
}
.pp-cat summary:hover,
.pp-cat summary:focus-visible {
  background: var(--pp-orange-wash);
}
.pp-cat__code {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-size: 13px;
  font-weight: 700;
  color: var(--pp-lemon);
  background: var(--ink-950);
  transition: background var(--ease), color var(--ease);
}
.pp-cat summary:hover .pp-cat__code {
  background: var(--pp-orange);
  color: var(--ink-950);
}
.pp-cat__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.pp-cat__count {
  font-size: 12px;
  color: var(--pp-ink-3);
}
.pp-cat[open] summary {
  border-bottom: 1px solid var(--pp-line-soft);
}
.pp-cat__body {
  padding: 14px 16px 18px;
}
.pp-cat__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-ink-2);
}
.pp-cat__sub {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pp-cat__sub li {
  padding: 4px 8px;
  font-size: 12px;
  color: var(--pp-ink-3);
  background: var(--pp-bg);
  border: 1px solid var(--pp-line);
}

/* ---------- 场景清单 ---------- */
.pp-group + .pp-group {
  margin-top: clamp(24px, 3vw, 34px);
}
.pp-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-size: 15px;
  font-weight: 700;
  border-bottom: 1px solid var(--pp-line);
}
.pp-group__title .mono {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-950);
  background: var(--pp-cyan);
}
.pp-group__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.pp-scenes {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-line-soft);
}
.pp-scene {
  position: relative;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--pp-line-soft);
  transition: background var(--ease);
}
.pp-scene::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 0;
  background: var(--pp-orange);
  transition: width var(--ease);
}
.pp-scene:hover {
  background: var(--pp-surface);
}
.pp-scene:hover::before {
  width: 3px;
}
.pp-scene__num {
  grid-column: 1;
  grid-row: 1;
  font-size: 12px;
}
.pp-scene__num a {
  color: var(--pp-orange);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}
.pp-scene__num a:hover,
.pp-scene__num a:focus-visible {
  border-bottom-color: var(--pp-orange);
  color: var(--pp-ink);
}
.pp-scene__act {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}
.pp-scene__note {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pp-ink-3);
}
.pp-side {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--ink-950);
  overflow: hidden;
}
.pp-side img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 升级对比 ---------- */
.pp-banner--mid {
  background: var(--pp-surface);
}
.pp-diffs {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}
.pp-diff {
  padding: 18px 18px 20px;
  background: var(--pp-surface);
}
.pp-diff__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.pp-diff__head h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.pp-diff__tag {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  font-size: 12px;
  font-weight: 700;
  color: var(--pp-cyan-ink);
  border: 1px solid var(--pp-cyan);
}
.pp-diff__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pp-line-soft);
}
.pp-diff__cell {
  padding: 12px 14px;
  background: var(--pp-surface);
}
.pp-diff__cell--after {
  box-shadow: inset 3px 0 0 var(--pp-cyan);
}
.pp-diff__label {
  display: block;
  margin-bottom: 7px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--pp-ink-3);
}
.pp-diff__cell--after .pp-diff__label {
  color: var(--pp-cyan-ink);
}
.pp-diff__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pp-ink-2);
}
.page-products .pp-mark {
  font-style: normal;
  border-bottom: 2px solid var(--pp-orange);
  padding-bottom: 1px;
}

/* ---------- 技能树路径 ---------- */
.pp-tree {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}
.pp-tree__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.pp-tree__board {
  position: relative;
  padding-left: 26px;
}
.pp-tree__board::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: var(--pp-line);
}
.pp-tree__node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1px;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--pp-ink-2);
  background: var(--pp-surface);
  border: 1px solid var(--pp-line-soft);
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease), color var(--ease);
}
.pp-tree__node::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 17px;
  height: 1px;
  background: var(--pp-line);
}
.pp-tree__node::after {
  content: "";
  position: absolute;
  left: -10px;
  top: calc(50% - 3px);
  width: 6px;
  height: 6px;
  background: var(--pp-line);
}
.pp-tree__node:hover {
  border-color: var(--pp-orange);
}
.pp-tree__n {
  font-size: 12px;
  opacity: 0.65;
  color: inherit;
}
.pp-tree__label {
  flex: 1 1 auto;
  font-weight: 700;
}
.pp-tree__badge {
  flex: 0 0 auto;
  padding: 2px 7px;
  font-size: 11px;
  color: inherit;
  opacity: 0.62;
  border: 1px solid currentColor;
}
.pp-tree__node--opt .pp-tree__badge,
.pp-tree__node--cond .pp-tree__badge {
  opacity: 0.95;
  color: var(--pp-cyan-ink);
}
.page-products #pptree-1:checked ~ .pp-tree__board label[for="pptree-1"],
.page-products #pptree-2:checked ~ .pp-tree__board label[for="pptree-2"],
.page-products #pptree-3:checked ~ .pp-tree__board label[for="pptree-3"],
.page-products #pptree-4:checked ~ .pp-tree__board label[for="pptree-4"],
.page-products #pptree-5:checked ~ .pp-tree__board label[for="pptree-5"],
.page-products #pptree-6:checked ~ .pp-tree__board label[for="pptree-6"] {
  color: var(--ink-950);
  background: var(--pp-orange);
  border-color: var(--pp-orange);
}
.page-products #pptree-1:checked ~ .pp-tree__board label[for="pptree-1"] .pp-tree__badge,
.page-products #pptree-2:checked ~ .pp-tree__board label[for="pptree-2"] .pp-tree__badge,
.page-products #pptree-3:checked ~ .pp-tree__board label[for="pptree-3"] .pp-tree__badge,
.page-products #pptree-4:checked ~ .pp-tree__board label[for="pptree-4"] .pp-tree__badge,
.page-products #pptree-5:checked ~ .pp-tree__board label[for="pptree-5"] .pp-tree__badge,
.page-products #pptree-6:checked ~ .pp-tree__board label[for="pptree-6"] .pp-tree__badge {
  color: var(--ink-950);
  opacity: 0.9;
}
.pp-tree__notes {
  padding: 16px;
  background: var(--pp-surface);
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--pp-orange);
}
.pp-tree__note {
  display: none;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pp-ink-2);
}
.page-products #pptree-1:checked ~ .pp-tree__notes .pp-tree__note:nth-child(1),
.page-products #pptree-2:checked ~ .pp-tree__notes .pp-tree__note:nth-child(2),
.page-products #pptree-3:checked ~ .pp-tree__notes .pp-tree__note:nth-child(3),
.page-products #pptree-4:checked ~ .pp-tree__notes .pp-tree__note:nth-child(4),
.page-products #pptree-5:checked ~ .pp-tree__notes .pp-tree__note:nth-child(5),
.page-products #pptree-6:checked ~ .pp-tree__notes .pp-tree__note:nth-child(6) {
  display: block;
}

/* ---------- 能力边界 ---------- */
.pp-limits {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.pp-limits__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-line);
}
.pp-limits__list li {
  position: relative;
  padding: 14px 0 14px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pp-ink-2);
  border-bottom: 1px solid var(--pp-line-soft);
}
.pp-limits__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 9px;
  height: 2px;
  background: var(--pp-cyan);
}
.pp-limits__list strong {
  font-weight: 700;
  color: var(--pp-ink);
}
.pp-limits__fig {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--pp-surface);
  overflow: hidden;
}
.pp-limits__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.pp-limits__more {
  margin: 24px 0 0;
  padding-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pp-ink-3);
  border-top: 1px solid var(--pp-line-soft);
}
.pp-limits__more a {
  color: var(--pp-cyan-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-cyan);
  transition: color var(--ease), border-color var(--ease);
}
.pp-limits__more a:hover,
.pp-limits__more a:focus-visible {
  color: var(--pp-orange);
  border-bottom-color: var(--pp-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .pp-catgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pp-diff__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .pp-group__inner--fig {
    grid-template-columns: minmax(0, 1fr) 132px;
    align-items: start;
  }
  .pp-limits {
    grid-template-columns: minmax(0, 1fr) 148px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .pp-tree {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: start;
    gap: 26px;
  }
  .pp-tree__notes {
    position: relative;
    min-height: 148px;
  }
}

@media (min-width: 1100px) {
  .pp-shell {
    grid-template-columns: 168px minmax(0, 1fr) 216px;
    gap: 40px;
    align-items: start;
  }
  .pp-nav {
    position: sticky;
    top: 120px;
  }
  .pp-nav__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
  .pp-nav__list a {
    border-bottom: 0;
    border-left: 3px solid transparent;
    padding: 9px 10px;
  }
  .pp-nav__list a:hover,
  .pp-nav__list a:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--pp-orange);
    background: var(--pp-orange-wash);
  }
  .pp-quick {
    position: sticky;
    top: 120px;
  }
}

@media (min-width: 1280px) {
  .pp-group__inner--fig {
    grid-template-columns: minmax(0, 1fr) 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</final>