.page-products {
  --pd-gap: 14px;
  --pd-swatch-1: var(--cinnabar);
  --pd-swatch-2: var(--orange);
  --pd-swatch-3: var(--amber);
  --pd-swatch-4: var(--seal);
  --pd-swatch-5: var(--celadon);
  --pd-swatch-6: var(--cinnabar-deep);
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumb {
  margin: 18px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 6px 0 40px;
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-products .pd-hero h1 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 34px;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: .45rem 0 .75rem;
}

.page-products .pd-hero__lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 34rem;
  margin: 0 0 22px;
}

.page-products .pd-hero__facts {
  list-style: none;
  margin: 0 0 24px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
}

.page-products .pd-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pd-hero__facts b {
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--cinnabar);
}

.page-products .pd-hero__facts span {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.page-products .pd-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-hero__fig {
  max-width: 420px;
  width: 100%;
  justify-self: start;
}

/* ---------- 区块标题 ---------- */
.page-products .pd-head {
  max-width: 44rem;
}

.page-products .pd-head h2 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--ink);
  margin: .5rem 0 .65rem;
}

.page-products .pd-head__sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
  margin: 0;
  max-width: 34rem;
}

/* ---------- 分类目录 ---------- */
.page-products .pd-cats {
  padding: 40px 0 44px;
  background:
    linear-gradient(180deg, var(--mist) 0%, rgba(200, 50, 43, 0) 62%);
}

.page-products .pd-cat-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  margin: 22px 0 8px;
  padding: 4px 2px 14px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pd-cat-row::-webkit-scrollbar {
  height: 5px;
}

.page-products .pd-cat-row::-webkit-scrollbar-thumb {
  background: rgba(30, 26, 24, .18);
  border-radius: 99px;
}

.page-products .pd-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.3;
  white-space: nowrap;
  transition: background-color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .pd-chip:hover,
.page-products .pd-chip:focus-visible {
  background: var(--mist);
  border-color: var(--amber);
  transform: translateY(-1px);
}

.page-products .pd-chip__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: transparent;
  transition: background-color .22s var(--ease);
}

.page-products .pd-chip:hover .pd-chip__dot,
.page-products .pd-chip:focus-visible .pd-chip__dot {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .pd-chip__name {
  font-weight: 500;
}

.page-products .pd-chip__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-soft);
}

.page-products .pd-fig {
  margin: 20px 0 4px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 分类条目块 ---------- */
.page-products .pd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: 22px;
}

.page-products .pd-cat {
  --swatch: var(--cinnabar);
  position: relative;
  background: var(--fold);
  border-radius: var(--r-md);
  padding: 18px 18px 18px 24px;
  scroll-margin-top: 96px;
  transition: background-color .24s var(--ease);
}

.page-products .pd-cat:hover {
  background: #F7EEE0;
}

.page-products .pd-cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  bottom: 15px;
  width: 4px;
  border-radius: 4px;
  background: var(--swatch);
  transition: width .2s var(--ease);
}

.page-products .pd-cat:hover::before {
  width: 6px;
}

.page-products .pd-cat--board { --swatch: var(--cinnabar); }
.page-products .pd-cat--action { --swatch: var(--orange); }
.page-products .pd-cat--arcade { --swatch: var(--amber); }
.page-products .pd-cat--strategy { --swatch: var(--seal); }
.page-products .pd-cat--racing { --swatch: var(--celadon); }
.page-products .pd-cat--party { --swatch: var(--cinnabar-deep); }
.page-products .pd-cat--music { --swatch: var(--cinnabar); }
.page-products .pd-cat--sim { --swatch: var(--amber); }

.page-products .pd-cat__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.page-products .pd-cat__name {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .pd-cat__num {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--swatch);
  white-space: nowrap;
}

.page-products .pd-cat__unit {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-soft);
  margin-left: 3px;
  letter-spacing: 0;
}

.page-products .pd-cat__desc {
  margin: 0 0 7px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .pd-cat__who {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 条目字段 ---------- */
.page-products .pd-fields {
  padding: 46px 0;
}

.page-products .pd-fields__inner {
  display: grid;
  gap: 30px;
}

.page-products .pd-legend {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-legend__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 4px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pd-legend__idx {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
  padding-top: 4px;
}

.page-products .pd-legend__item h3 {
  margin: 0 0 3px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-legend__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .pd-fields__fig {
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 三种查阅方式 ---------- */
.page-products .pd-ways {
  padding: 44px 0;
  background: var(--fold);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-ways__inner {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-products .pd-ways__list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-way {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-way__idx {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cinnabar);
  letter-spacing: .02em;
}

.page-products .pd-way__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
  align-self: center;
}

.page-products .pd-way__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
  max-width: 34rem;
}

.page-products .pd-ways__fig {
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 维护节奏 ---------- */
.page-products .pd-care {
  padding: 46px 0;
}

.page-products .pd-care__inner {
  display: grid;
  gap: 30px;
}

.page-products .pd-care__text h2 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 28px;
  line-height: 1.24;
  letter-spacing: -.012em;
  color: var(--ink);
  margin: .5rem 0 .8rem;
}

.page-products .pd-care__text p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
  max-width: 34rem;
}

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

.page-products .pd-care__item {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
}

.page-products .pd-care__num {
  display: block;
  font-family: var(--mono);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--seal);
  line-height: 1.2;
  margin-bottom: 6px;
}

.page-products .pd-care__unit {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-soft);
  margin-left: 3px;
  letter-spacing: 0;
}

.page-products .pd-care__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ink-soft);
}

/* ---------- 常见用法 ---------- */
.page-products .pd-scenes {
  padding: 44px 0 40px;
  background: linear-gradient(180deg, rgba(78, 127, 110, 0) 0%, rgba(78, 127, 110, .07) 100%);
}

.page-products .pd-scenes__inner {
  display: grid;
  gap: 30px;
}

.page-products .pd-scene {
  margin-top: 22px;
  padding-left: 16px;
  border-left: 3px solid var(--amber);
}

.page-products .pd-scene__title {
  margin: 0 0 5px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pd-scene__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 34rem;
}

.page-products .pd-scenes__fig {
  max-width: 340px;
  width: 100%;
  justify-self: start;
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 页脚更新记录 ---------- */
.page-products .pd-stamp {
  margin: 34px 0 6px;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-products .pd-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-hero__lede {
    font-size: 17px;
  }

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

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

  .page-products .pd-ways__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 40px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .pd-hero {
    padding: 20px 0 54px;
  }

  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    gap: 56px;
  }

  .page-products .pd-hero h1 {
    font-size: 58px;
  }

  .page-products .pd-hero__facts b {
    font-size: 30px;
  }

  .page-products .pd-head h2 {
    font-size: 40px;
  }

  .page-products .pd-care__text h2 {
    font-size: 34px;
  }

  .page-products .pd-cats {
    padding: 56px 0 60px;
  }

  .page-products .pd-fields,
  .page-products .pd-care,
  .page-products .pd-ways,
  .page-products .pd-scenes {
    padding: 62px 0;
  }

  .page-products .pd-fields__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 56px;
  }

  .page-products .pd-care__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 56px;
  }

  .page-products .pd-scenes__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
    gap: 52px;
  }

  .page-products .pd-scenes__fig {
    justify-self: end;
  }

  .page-products .pd-legend__item {
    grid-template-columns: 48px minmax(0, 1fr);
    padding: 16px 6px;
  }
}

/* ---------- 宽屏：错落分类网格 ---------- */
@media (min-width: 1040px) {
  .page-products .pd-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pd-cat--board { grid-column: span 7; }
  .page-products .pd-cat--action { grid-column: span 5; }
  .page-products .pd-cat--arcade { grid-column: span 4; }
  .page-products .pd-cat--strategy { grid-column: span 4; }
  .page-products .pd-cat--racing { grid-column: span 4; }
  .page-products .pd-cat--party { grid-column: span 5; }
  .page-products .pd-cat--music { grid-column: span 4; }
  .page-products .pd-cat--sim { grid-column: span 3; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-chip,
  .page-products .pd-chip__dot,
  .page-products .pd-cat,
  .page-products .pd-cat::before {
    transition: none;
  }

  .page-products .pd-chip:hover,
  .page-products .pd-chip:focus-visible {
    transform: none;
  }
}
<<<END>>>
</main>