.page-products {
  background: var(--space-950);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(92px, 13vw, 148px) 0 clamp(40px, 6vw, 68px);
  background:
    radial-gradient(120% 90% at 8% -12%, rgba(53, 245, 160, 0.12), transparent 58%),
    radial-gradient(90% 80% at 100% 0%, rgba(255, 122, 41, 0.12), transparent 60%),
    var(--space-900);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), transparent 42%, transparent 58%, var(--orange));
  opacity: 0.7;
}

.page-products .pp-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pp-hero__copy {
  max-width: 62ch;
}

.page-products .bs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}

.page-products .bs-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .bs-breadcrumb a:hover {
  color: var(--cyan);
}

.page-products .bs-breadcrumb__sep {
  color: var(--space-700);
}

.page-products .pp-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .pp-hero__lede {
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 58ch;
  margin: 0;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-facts__item {
  padding: 16px 18px;
  background: rgba(13, 31, 66, 0.72);
}

.page-products .pp-facts dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-products .pp-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

.page-products .pp-facts dd .bs-num {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--neon);
  margin-right: 4px;
}

/* 首屏框景窗口 */
.page-products .pp-window {
  position: relative;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(13, 31, 66, 0.92), rgba(8, 21, 50, 0.86));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 26px 60px -34px rgba(53, 245, 160, 0.35);
}

.page-products .pp-window::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 24px;
  width: 72px;
  height: 2px;
  background: var(--neon);
  box-shadow: 0 0 14px var(--neon);
}

.page-products .pp-window__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-window__ver {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .pp-window__list {
  list-style: none;
  margin: 0;
  padding: 8px 0 0;
}

.page-products .pp-window__row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 11px 8px;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-products .pp-window__time {
  font-family: var(--font-data);
  font-size: 15px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-products .pp-window__name {
  font-size: 14px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pp-window__state {
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--muted);
}

.page-products .pp-window__state--on {
  color: var(--neon);
  border-color: var(--neon-line);
  background: var(--neon-soft);
}

.page-products .pp-window__state--screen {
  color: var(--orange);
  border-color: var(--orange-line);
  background: var(--orange-soft);
}

.page-products .pp-window__foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 索引 + 面板骨架 ---------- */
.page-products .pp-shell {
  display: grid;
  gap: 24px;
  padding: clamp(40px, 6vw, 72px) 0 clamp(48px, 7vw, 88px);
}

.page-products .pp-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .pp-index__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pp-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .pp-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(13, 31, 66, 0.6);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.2s var(--ease-brand), border-color 0.2s var(--ease-brand), background 0.2s var(--ease-brand);
}

.page-products .pp-index__link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--space-700);
  transition: background 0.2s var(--ease-brand), box-shadow 0.2s var(--ease-brand);
}

.page-products .pp-index__link:hover,
.page-products .pp-index__link:focus-visible {
  color: var(--text);
  border-color: var(--neon-line);
  background: rgba(53, 245, 160, 0.08);
}

.page-products .pp-index__link:hover::before,
.page-products .pp-index__link:focus-visible::before {
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}

/* ---------- 功能面板 ---------- */
.page-products .pp-panels {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-products .pp-panel {
  position: relative;
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(13, 31, 66, 0.94), rgba(8, 21, 50, 0.92) 64%);
  scroll-margin-top: 108px;
}

.page-products .pp-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(20px, 3.4vw, 36px);
  width: 56px;
  height: 2px;
  background: var(--accent, var(--neon));
  box-shadow: 0 0 12px var(--accent, var(--neon));
}

.page-products .pp-panel::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: var(--cut);
  height: var(--cut);
  background: var(--space-950);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.page-products .pp-panel--neon {
  --accent: var(--neon);
}

.page-products .pp-panel--orange {
  --accent: var(--orange);
}

.page-products .pp-panel--cyan {
  --accent: var(--cyan);
}

.page-products .pp-panel--amber {
  --accent: var(--amber);
}

.page-products .pp-panel--plain {
  --accent: var(--cyan);
  background: rgba(8, 21, 50, 0.72);
}

.page-products .pp-panel__head {
  max-width: 66ch;
}

.page-products .pp-panel__title {
  margin: 12px 0 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(21px, 2.5vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-products .pp-panel__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .pp-panel__lede--tight {
  margin-top: 22px;
}

.page-products .pp-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .pp-note a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-line);
}

.page-products .pp-note a:hover {
  color: var(--text);
}

/* 图片 */
.page-products .pp-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--space-950);
}

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

/* 两栏 */
.page-products .pp-split {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-products .pp-split .pp-figure {
  margin-top: 0;
}

/* 维度叠圈 */
.page-products .pp-vennbox {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(4, 10, 28, 0.72);
}

.page-products .pp-venn {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-venn__label {
  font-family: var(--font-body);
  font-size: 15px;
  fill: var(--muted);
}

.page-products .pp-venn__core {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  fill: var(--text);
}

.page-products .pp-vennbox__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* 场景 / 路径 / 限制 */
.page-products .pp-meta {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-products .pp-meta__row {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--accent, var(--neon));
  opacity: 0.96;
}

.page-products .pp-meta__k {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent, var(--neon));
  margin-bottom: 5px;
}

.page-products .pp-meta__row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 68ch;
}

/* 四宫格 */
.page-products .pp-quad {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--orange-line);
  border-radius: var(--r-md);
  background: rgba(4, 10, 28, 0.8);
}

.page-products .pp-quad__cell {
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(140deg, rgba(255, 122, 41, 0.14), rgba(111, 227, 255, 0.07));
}

.page-products .pp-quad__no {
  font-family: var(--font-data);
  font-size: 20px;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-products .pp-quad__cap {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* 安装两条路径 */
.page-products .pp-paths {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-products .pp-paths__col {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(4, 10, 28, 0.6);
}

.page-products .pp-paths__name {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-products .pp-steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  counter-reset: none;
}

.page-products .pp-steps li {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pp-steps li::marker {
  color: var(--cyan);
  font-family: var(--font-data);
}

/* 覆盖与更新 */
.page-products .pp-coverage {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-products .pp-coverage .pp-figure {
  margin-top: 0;
}

.page-products .pp-coverage__stats {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: rgba(4, 10, 28, 0.68);
}

.page-products .pp-stat__num {
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-products .pp-stat__cap {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pp-folds {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.page-products .pp-fold {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(4, 10, 28, 0.6);
}

.page-products .pp-fold__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 15px;
  color: var(--text);
  list-style: none;
}

.page-products .pp-fold__sum::-webkit-details-marker {
  display: none;
}

.page-products .pp-fold__sum::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--space-700);
  transition: background 0.2s var(--ease-brand), box-shadow 0.2s var(--ease-brand);
}

.page-products .pp-fold[open] .pp-fold__sum::before {
  background: var(--neon);
  box-shadow: 0 0 10px var(--neon);
}

.page-products .pp-fold__sum:hover {
  color: var(--neon);
}

.page-products .pp-fold__body {
  padding: 0 18px 16px 36px;
}

.page-products .pp-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 66ch;
}

/* 设备对照表 */
.page-products .pp-tablewrap {
  margin-top: 22px;
}

.page-products .pp-scene-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-scene-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pp-scene-tabs label {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(13, 31, 66, 0.6);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s var(--ease-brand), background 0.2s var(--ease-brand), border-color 0.2s var(--ease-brand);
}

.page-products .pp-scene-tabs label:hover {
  color: var(--text);
  border-color: var(--neon-line);
}

.page-products #pp-scene-all:checked ~ .pp-scene-tabs label[for="pp-scene-all"],
.page-products #pp-scene-mobile:checked ~ .pp-scene-tabs label[for="pp-scene-mobile"],
.page-products #pp-scene-pc:checked ~ .pp-scene-tabs label[for="pp-scene-pc"],
.page-products #pp-scene-tv:checked ~ .pp-scene-tabs label[for="pp-scene-tv"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--space-950);
  font-weight: 600;
}

.page-products .pp-table__scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pp-table thead th {
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(8, 21, 50, 0.9);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-table tbody th,
.page-products .pp-table tbody td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table tbody th {
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-table tbody tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.022);
}

.page-products .pp-table tbody tr:hover {
  background: var(--neon-soft);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products #pp-scene-mobile:checked ~ .pp-table__scroll tbody tr:not(.is-mobile),
.page-products #pp-scene-pc:checked ~ .pp-table__scroll tbody tr:not(.is-pc),
.page-products #pp-scene-tv:checked ~ .pp-table__scroll tbody tr:not(.is-tv) {
  display: none;
}

/* 组合用法 */
.page-products .pp-combos {
  margin-top: 22px;
}

.page-products .pp-combo {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(4, 10, 28, 0.62);
}

.page-products .pp-combo::after {
  content: "";
  position: absolute;
  left: 20px;
  bottom: 0;
  width: 34px;
  height: 2px;
  background: var(--orange);
  opacity: 0.8;
}

.page-products .pp-combo__no {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-products .pp-combo__title {
  margin: 8px 0 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .pp-combo p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* 收尾 */
.page-products .pp-next {
  padding: clamp(24px, 3.6vw, 40px);
  border: 1px solid var(--neon-line);
  border-radius: var(--r-md);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(53, 245, 160, 0.14), transparent 62%),
    linear-gradient(160deg, rgba(13, 31, 66, 0.94), rgba(4, 10, 28, 0.9));
}

.page-products .pp-next__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-products .pp-next__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

@media (min-width: 960px) {
  .page-products .pp-coverage {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pp-stat {
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-products .pp-shell {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pp-index {
    position: sticky;
    top: 96px;
  }

  .page-products .pp-index__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pp-index__link {
    width: 100%;
    border-radius: var(--r-sm);
    justify-content: flex-start;
  }

  .page-products .pp-panel {
    scroll-margin-top: 120px;
  }
}

@media (min-width: 1280px) {
  .page-products .pp-shell {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index__link,
  .page-products .pp-scene-tabs label,
  .page-products .pp-fold__sum::before {
    transition: none;
  }
}