.page-products {
  --pp-index: 208px;
  --pp-offset: 48px;
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-products .crumbs {
  margin: 0;
  padding: 26px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
}
.page-products .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .crumbs li { color: var(--mist); }
.page-products .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-products .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}
.page-products .crumbs a:hover,
.page-products .crumbs a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 页首 ---------- */
.page-products .cat-hero {
  padding: 26px 0 34px;
  border-bottom: 1px solid var(--line);
}
.page-products .cat-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--signal);
}
.page-products .cat-hero h1 {
  margin: 14px 0 0;
  max-width: 17em;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: .02em;
  color: var(--white);
}
.page-products .cat-lede {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--neutral);
}

/* ---------- 数字条 ---------- */
.page-products .cat-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .cat-stat {
  background: var(--ink);
  padding: 14px 16px 16px;
  min-width: 0;
}
.page-products .cat-stat__v {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.15;
  color: var(--data);
  letter-spacing: -.01em;
}
.page-products .cat-stat__v .cat-unit {
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--mist);
}
.page-products .cat-stat__k {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-products .cat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 34px;
}

/* ---------- 左侧索引 ---------- */
.page-products .cat-index { min-width: 0; }
.page-products .cat-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--mist);
}
.page-products .cat-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-products .cat-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, background-color var(--t-fast) ease;
}
.page-products .cat-index__link:hover,
.page-products .cat-index__link:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
  background: var(--panel-2);
  outline: none;
}
.page-products .cat-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--signal);
}

/* ---------- 卡片流 ---------- */
.page-products .cat-stream {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-width: 0;
}
.page-products .cat-card {
  position: relative;
  min-width: 0;
  padding: 22px 18px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .22);
  scroll-margin-top: 96px;
  transition: border-color var(--t-base) ease, background-color var(--t-base) ease;
}
.page-products .cat-card:hover { border-color: var(--signal); }

.page-products .cat-card__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.page-products .cat-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal);
}
.page-products .cat-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.28;
  letter-spacing: .02em;
  color: var(--white);
}
.page-products .cat-card__text {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--neutral);
  overflow-wrap: break-word;
}
.page-products .cat-card__main { min-width: 0; }

/* ---------- 图片容器 ---------- */
.page-products .cat-shot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
}
.page-products .cat-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .cat-card__media {
  margin: 18px 0 0;
  min-width: 0;
}
.page-products .cat-card__media--top { margin-top: 16px; }

/* ---------- 数据条 ---------- */
.page-products .cat-meter {
  margin-top: 18px;
  max-width: 420px;
}
.page-products .cat-meter__rail {
  position: relative;
  height: 5px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.page-products .cat-meter__fill {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  background: linear-gradient(90deg, var(--signal-dark), var(--signal));
}
.page-products .cat-meter--w100 .cat-meter__fill { width: 100%; }
.page-products .cat-meter--w88 .cat-meter__fill { width: 88%; }
.page-products .cat-meter--w55 .cat-meter__fill { width: 55%; }
.page-products .cat-meter--w30 .cat-meter__fill { width: 30%; }
.page-products .cat-meter__note {
  margin: 9px 0 0;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--mist);
}
.page-products .cat-meter__note .mono { color: var(--data); }

/* ---------- 场景标签 ---------- */
.page-products .cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-tag {
  padding: 5px 10px;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .04em;
  color: var(--mist);
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: polygon(7px 0, 100% 0, 100% 100%, 0 100%, 0 7px);
  transition: color var(--t-fast) ease, background-color var(--t-fast) ease;
}
.page-products .cat-card:hover .cat-tag {
  color: var(--white);
  background: #1c2f22;
}

/* ---------- 清晰度对照 ---------- */
.page-products .cat-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.page-products .cat-pair__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--white);
  background: var(--panel-2);
  border: 1px solid var(--line);
}
.page-products .cat-pair__item .mono {
  font-size: 13px;
  color: var(--data);
}

/* ---------- 清单 ---------- */
.page-products .cat-list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--neutral);
}
.page-products .cat-list li::before {
  content: "—";
  flex: none;
  font-family: var(--font-mono);
  color: var(--signal);
}

/* ---------- 卡片内链接 ---------- */
.page-products .cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 26, .38);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, gap var(--t-fast) ease;
}
.page-products .cat-link::after {
  content: "→";
  font-family: var(--font-mono);
}
.page-products .cat-link:hover,
.page-products .cat-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
  gap: 10px;
  outline: none;
}

/* ---------- 回看卡片背景图 ---------- */
.page-products .cat-card--replay { overflow: hidden; }
.page-products .cat-card--replay .cat-shot--bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 62%;
  z-index: 0;
  opacity: .34;
  border: 0;
  border-left: 1px solid var(--line);
  pointer-events: none;
}
.page-products .cat-card--replay .cat-shot--bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .cat-card--replay > *:not(.cat-shot--bg) {
  position: relative;
  z-index: 1;
}

/* ---------- 收尾 ---------- */
.page-products .cat-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 46px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-products .cat-foot p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--neutral);
}
.page-products .cat-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-products .cat-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .cat-hero h1 { font-size: 40px; }
}

@media (min-width: 760px) {
  .page-products .cat-card { padding: 26px 24px 28px; }
  .page-products .cat-card__title { font-size: 23px; }
  .page-products .cat-card--split .cat-card__body {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 28px;
    align-items: start;
  }
  .page-products .cat-card--split-wide .cat-card__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .56fr);
  }
  .page-products .cat-card--split .cat-card__media { margin-top: 16px; }
}

@media (min-width: 1000px) {
  .page-products .cat-layout {
    grid-template-columns: var(--pp-index) minmax(0, 1fr);
    gap: 46px;
  }
  .page-products .cat-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-products .cat-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }
  .page-products .cat-index__link {
    margin-left: -1px;
    padding: 9px 12px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }
  .page-products .cat-index__link:hover,
  .page-products .cat-index__link:focus-visible {
    background: var(--panel);
    border-left-color: var(--signal);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }
  .page-products .cat-card { padding: 30px 32px 32px; }
  .page-products .cat-card__title { font-size: 26px; }
  .page-products .cat-hero h1 { font-size: 48px; }
  .page-products .cat-card--offset { margin-left: var(--pp-offset); }
  .page-products .cat-card--offset-sm { margin-left: 24px; }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 600px) {
  .page-products .cat-card--replay .cat-shot--bg {
    width: 100%;
    opacity: .2;
  }
  .page-products .cat-foot__actions { width: 100%; }
  .page-products .cat-foot__actions .btn { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-card,
  .page-products .cat-tag,
  .page-products .cat-link,
  .page-products .cat-index__link,
  .page-products .crumbs a {
    transition: none;
  }
}
</main>