/* ============ 业务与功能页 · page-products ============ */
.page-products {
  --pp-border: var(--ls-line);
  --pp-panelbg: var(--ls-forest);
  --pp-muted: var(--ls-grey);
}

.page-products .pp-block {
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 2px solid var(--ls-grid);
}

.page-products .pp-block:first-of-type {
  border-top: 0;
  padding-top: clamp(24px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  display: grid;
  gap: 26px;
  padding: 18px 0 clamp(32px, 5vw, 58px);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pp-status {
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
  box-shadow: var(--ls-shadow);
}

.page-products .pp-status__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 2px solid var(--pp-border);
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ls-cyan);
}

.page-products .pp-status__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ls-cyan);
  box-shadow: 0 0 0 3px rgba(53, 224, 200, 0.18);
}

.page-products .pp-status__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--ls-grid);
  font-size: 14px;
}

.page-products .pp-status__row:last-child {
  border-bottom: 0;
}

.page-products .pp-status__k {
  color: var(--pp-muted);
}

.page-products .pp-status__v {
  font-family: var(--ls-font-mono);
  font-weight: 600;
  color: var(--ls-cyan);
  white-space: nowrap;
}

/* ---------- 章节头 ---------- */
.page-products .pp-sechead {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-bottom: 26px;
}

.page-products .pp-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-muted);
}

.page-products .pp-caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ls-lake);
}

/* ---------- 三步路径 ---------- */
.page-products .pp-steps {
  display: grid;
  gap: 22px;
}

.page-products .pp-steps__nav ol {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pp-steps__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px 10px 12px;
  border-left: 3px solid var(--ls-grid);
  background: transparent;
  color: var(--pp-muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color var(--ls-t), border-color var(--ls-t), background var(--ls-t);
}

.page-products .pp-steps__link b {
  font-family: var(--ls-font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ls-orange);
}

.page-products .pp-steps__link:hover,
.page-products .pp-steps__link:focus-visible {
  color: var(--ls-white);
  border-left-color: var(--ls-cyan);
  background: var(--pp-panelbg);
}

.page-products .pp-step {
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 2px solid var(--pp-border);
  background: var(--ls-carbon);
  box-shadow: var(--ls-shadow-sm);
  scroll-margin-top: 24px;
}

.page-products .pp-step + .pp-step {
  margin-top: 18px;
}

.page-products .pp-step__idx {
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ls-orange);
}

.page-products .pp-step__text,
.page-products .pp-scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pp-muted);
}

/* ---------- 图片容器 ---------- */
.page-products .pp-figure {
  margin: 0;
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
  box-shadow: var(--ls-shadow-sm);
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-figure figcaption {
  padding: 9px 13px;
  border-top: 1px solid var(--ls-grid);
  font-size: 12px;
  line-height: 1.6;
  color: var(--pp-muted);
}

/* ---------- 筛选条 ---------- */
.page-products .pp-filterbar {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  max-width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
  scrollbar-width: thin;
  scrollbar-color: var(--ls-lake) transparent;
}

.page-products .pp-filterbar > * {
  flex: 0 0 auto;
}

.page-products .pp-filterbar::-webkit-scrollbar {
  height: 6px;
}

.page-products .pp-filterbar::-webkit-scrollbar-thumb {
  background: var(--ls-lake);
}

.page-products .pp-filtergroup {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .pp-filtergroup + .pp-filtergroup {
  padding-left: 14px;
  border-left: 1px dashed var(--ls-grid);
}

.page-products .pp-filtergroup__label {
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pp-muted);
  white-space: nowrap;
}

/* ---------- 四类维度 ---------- */
.page-products .pp-dims {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-products .pp-dim {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
  box-shadow: var(--ls-shadow-sm);
}

.page-products .pp-dim__name {
  font-family: var(--ls-font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  color: var(--ls-cyan);
}

.page-products .pp-dim__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-muted);
}

/* ---------- 组合示例 ---------- */
.page-products .pp-combos {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-products .pp-combo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 2px solid var(--ls-grid);
  border-left: 4px solid var(--ls-lake);
  background: var(--ls-carbon);
}

.page-products .pp-combo__label {
  font-family: var(--ls-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ls-lake);
}

.page-products .pp-combo__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ls-white);
}

/* ---------- 两栏错落 ---------- */
.page-products .pp-split {
  display: grid;
  gap: 24px;
}

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

.page-products .pp-ops--tight {
  margin-top: 20px;
}

.page-products .pp-ops li {
  display: grid;
  gap: 6px;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--ls-grid);
}

.page-products .pp-ops li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pp-ops__k {
  font-family: var(--ls-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ls-cyan);
}

.page-products .pp-ops__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-muted);
}

/* ---------- 数据刻度 ---------- */
.page-products .pp-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-facts li {
  display: grid;
  gap: 5px;
  padding-top: 11px;
  border-top: 2px solid var(--ls-cyan);
}

.page-products .pp-facts__n {
  font-family: var(--ls-font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--ls-white);
}

.page-products .pp-facts__t {
  font-size: 13px;
  line-height: 1.6;
  color: var(--pp-muted);
}

/* ---------- 保存组合 ---------- */
.page-products .pp-saves {
  display: grid;
  gap: 10px;
}

.page-products .pp-save {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
}

.page-products .pp-save__n {
  font-family: var(--ls-font-mono);
  font-size: 14px;
  color: var(--ls-orange);
}

.page-products .pp-save__t {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ls-white);
}

/* ---------- 场景 ---------- */
.page-products .pp-figure--wide {
  margin-bottom: 24px;
}

.page-products .pp-scenes {
  display: grid;
  gap: 18px;
}

.page-products .pp-scene {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 2px solid var(--pp-border);
  background: var(--ls-carbon);
  box-shadow: var(--ls-shadow-sm);
}

.page-products .pp-scene__time {
  font-family: var(--ls-font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ls-orange);
}

/* ---------- 版本时间线 ---------- */
.page-products .pp-tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  border-left: 2px solid var(--pp-border);
}

.page-products .pp-tl > li {
  position: relative;
  padding: 0 0 24px 24px;
}

.page-products .pp-tl > li:last-child {
  padding-bottom: 0;
}

.page-products .pp-tl > li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 5px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--ls-carbon);
  background: var(--ls-cyan);
}

.page-products .pp-tl__ver {
  display: block;
  margin-bottom: 6px;
  font-family: var(--ls-font-display);
  font-size: 20px;
  letter-spacing: 0.05em;
  color: var(--ls-white);
}

.page-products .pp-tl__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pp-muted);
}

.page-products .pp-inline {
  margin: 28px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pp-muted);
}

.page-products .pp-inline a,
.page-products .pp-sub a {
  color: var(--ls-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-products .pp-inline a:hover,
.page-products .pp-inline a:focus-visible,
.page-products .pp-sub a:hover,
.page-products .pp-sub a:focus-visible {
  color: var(--ls-orange);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  display: grid;
  gap: 18px;
  margin: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 72px);
  padding: clamp(22px, 4vw, 40px);
  border: 2px solid var(--pp-border);
  background: var(--pp-panelbg);
  box-shadow: var(--ls-shadow);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

  .page-products .pp-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (min-width: 960px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

  .page-products .pp-steps {
    grid-template-columns: 208px minmax(0, 1fr) 300px;
    gap: 28px;
    align-items: start;
  }

  .page-products .pp-steps__nav {
    position: sticky;
    top: 22px;
  }

  .page-products .pp-steps__nav ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pp-steps__figure {
    position: sticky;
    top: 22px;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pp-split--flip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-split--mediafirst {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }
}

@media (min-width: 1280px) {
  .page-products .pp-dims {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: 220px minmax(0, 1fr) 330px;
  }
}

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