.page-products {
  --pp-line: var(--line-800);
  --pp-gap: 20px;
  --pp-cyan: var(--cyan-400);
  --pp-magenta: var(--magenta-500);
}

.page-products .pp-crumbs {
  padding-top: 28px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .pp-hero__copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.page-products .pp-hero__copy .lede {
  max-width: 34em;
  margin: 0;
  color: var(--text-400);
  font-size: 16px;
  line-height: 1.75;
}

.page-products .pp-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  background: var(--night-900);
}

.page-products .pp-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(53, 224, 212, 0.16), rgba(255, 61, 139, 0.14));
  pointer-events: none;
}

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

.page-products .pp-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-jump a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  color: var(--text-400);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pp-jump a:hover,
.page-products .pp-jump a:focus-visible {
  color: var(--text-100);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- 区块标题 ---------- */
.page-products .pp-head {
  max-width: 780px;
  margin-bottom: 32px;
}

.page-products .pp-head h2 {
  margin: 10px 0 14px;
  color: var(--text-100);
}

.page-products .pp-head .display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-products .pp-head p {
  margin: 0;
  color: var(--text-400);
  line-height: 1.75;
}

/* ---------- 分区标签 ---------- */
.page-products .pp-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.page-products .pp-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--glass-line);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: var(--text-100);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .pp-tab__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-products .pp-tab__text {
  flex: 1;
}

.page-products .pp-tab__arrow {
  color: var(--text-400);
  transition: transform 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pp-tab--cyan {
  border-left-color: var(--pp-cyan);
}

.page-products .pp-tab--magenta {
  border-left-color: var(--pp-magenta);
}

.page-products .pp-tab--cyan:hover,
.page-products .pp-tab--cyan:focus-visible {
  border-color: var(--pp-cyan);
  background: rgba(53, 224, 212, 0.08);
}

.page-products .pp-tab--magenta:hover,
.page-products .pp-tab--magenta:focus-visible {
  border-color: var(--pp-magenta);
  background: rgba(255, 61, 139, 0.08);
}

.page-products .pp-tab:hover .pp-tab__arrow,
.page-products .pp-tab:focus-visible .pp-tab__arrow {
  transform: translateX(4px);
  color: var(--text-100);
}

/* ---------- 4:8 分屏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-tree {
  padding: 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

.page-products .pp-tree__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-400);
}

.page-products .pp-tree__list,
.page-products .pp-tree__sub {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-tree__group + .pp-tree__group {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-tree__link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-100);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.page-products .pp-tree__link:hover {
  color: var(--accent);
}

.page-products .pp-tree__mark {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--text-400);
}

.page-products .pp-tree__link--cyan .pp-tree__mark {
  background: var(--pp-cyan);
}

.page-products .pp-tree__link--magenta .pp-tree__mark {
  background: var(--pp-magenta);
}

.page-products .pp-tree__sub {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding-left: 18px;
  border-left: 1px solid var(--pp-line);
}

.page-products .pp-tree__sub li {
  color: var(--text-400);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pp-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-card {
  display: flex;
  flex-direction: column;
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--pp-line);
  border-top: 3px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--night-900);
}

.page-products .pp-card--cyan {
  border-top-color: var(--pp-cyan);
}

.page-products .pp-card--magenta {
  border-top-color: var(--pp-magenta);
}

.page-products .pp-card--amber {
  border-top-color: var(--amber-400);
}

.page-products .pp-card__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-400);
}

.page-products .pp-card h3 {
  margin: 12px 0 10px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--text-100);
}

.page-products .pp-card p {
  margin: 0;
  color: var(--text-400);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-card__foot {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-400);
}

/* ---------- 节奏对照 ---------- */
.page-products .pp-rhythm {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-rhythm__col {
  position: relative;
  overflow: hidden;
  padding: 26px 22px;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--night-900);
}

.page-products .pp-rhythm__col::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-products .pp-rhythm__col--cyan::before {
  background: linear-gradient(90deg, var(--pp-cyan), transparent);
}

.page-products .pp-rhythm__col--magenta::before {
  background: linear-gradient(90deg, var(--pp-magenta), var(--amber-400), transparent);
}

.page-products .pp-rhythm__col h3 {
  margin: 0 0 16px;
  font-size: 19px;
  color: var(--text-100);
}

.page-products .pp-rhythm__col ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-rhythm__col li {
  position: relative;
  padding-left: 18px;
  color: var(--text-400);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-rhythm__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-400);
}

.page-products .pp-rhythm__col--cyan li::before {
  background: var(--pp-cyan);
}

.page-products .pp-rhythm__col--magenta li::before {
  background: var(--pp-magenta);
}

/* ---------- 图文详情 ---------- */
.page-products .pp-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-products .pp-detail__media {
  margin: 0;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night-900);
}

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

.page-products .pp-detail__body h3 {
  margin: 0 0 16px;
  font-size: 20px;
  color: var(--text-100);
}

.page-products .pp-detail__body .measure {
  margin: 0;
  color: var(--text-400);
  line-height: 1.75;
}

.page-products .pp-deflist {
  margin: 0;
  display: grid;
}

.page-products .pp-deflist > div {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-deflist dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-100);
}

.page-products .pp-deflist dd {
  margin: 0;
  color: var(--text-400);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-list {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-products .pp-list li {
  padding-left: 16px;
  border-left: 2px solid var(--pp-line);
  color: var(--text-400);
  font-size: 15px;
  line-height: 1.7;
}

.page-products .pp-list strong {
  color: var(--text-100);
  font-weight: 600;
}

.page-products .pp-ratio-figure {
  margin: 32px 0 0;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night-900);
}

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

.page-products .pp-ratio-figure .media-caption {
  padding: 12px 18px;
  border-top: 1px solid var(--pp-line);
  color: var(--text-400);
  font-size: 13px;
  line-height: 1.6;
}

.page-products .note {
  margin-top: 22px;
}

/* ---------- 筛选控件 ---------- */
.page-products .pp-filter {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-filter__media {
  margin: 0;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night-900);
}

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

.page-products .pp-filter__panel {
  padding: 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
}

.page-products .pp-filter__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-400);
}

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-products .pp-chip {
  padding: 7px 14px;
  border: 1px solid var(--pp-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-400);
  font-size: 13px;
}

.page-products .pp-chip.is-on {
  border-color: var(--pp-cyan);
  background: var(--pp-cyan);
  color: var(--ink-950);
  font-weight: 600;
}

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

.page-products .pp-state li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-400);
  font-size: 14px;
  line-height: 1.65;
}

.page-products .pp-dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: var(--text-400);
}

.page-products .pp-dot--ok {
  background: var(--ok-400);
}

.page-products .pp-dot--warn {
  background: var(--warn-400);
}

.page-products .pp-dot--cyan {
  background: var(--pp-cyan);
}

/* ---------- 对照表 ---------- */
.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--night-900);
}

.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-products .pp-table__caption {
  caption-side: top;
  padding: 18px 20px 0;
  text-align: left;
  color: var(--text-400);
  font-size: 13px;
  line-height: 1.6;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 16px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-line);
  font-size: 15px;
  line-height: 1.6;
}

.page-products .pp-table thead th {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-400);
}

.page-products .pp-table thead th.pp-th--cyan {
  color: var(--pp-cyan);
}

.page-products .pp-table thead th.pp-th--magenta {
  color: var(--pp-magenta);
}

.page-products .pp-table tbody th {
  color: var(--text-100);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .pp-table tbody td {
  color: var(--text-400);
}

.page-products .pp-table tbody tr {
  transition: background 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(53, 224, 212, 0.05);
  box-shadow: inset 3px 0 0 var(--pp-cyan);
}

.page-products .pp-table tbody tr:last-child th,
.page-products .pp-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 路径区块 ---------- */
.page-products .pp-path {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .pp-path__copy .measure {
  margin: 0;
  color: var(--text-400);
  line-height: 1.75;
}

.page-products .pp-steps {
  display: grid;
  margin: 26px 0 22px;
  padding: 0;
  list-style: none;
}

.page-products .pp-steps li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--pp-line);
  color: var(--text-100);
  font-size: 15px;
  line-height: 1.6;
}

.page-products .pp-steps li:last-child {
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-steps__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-products .pp-path__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-400);
}

.page-products .pp-path__links .index-list {
  margin: 0;
}

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

  .page-products .pp-deflist > div {
    grid-template-columns: 92px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-products .pp-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-rhythm {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .pp-detail {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 36px;
  }

  .page-products .pp-detail--reverse {
    grid-template-columns: 5fr 7fr;
  }

  .page-products .pp-detail--reverse .pp-detail__media {
    order: 2;
  }
}

@media (min-width: 960px) {
  .page-products .pp-filter {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-products .pp-path {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-hero {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 48px;
  }

  .page-products .pp-split {
    grid-template-columns: 4fr 8fr;
    align-items: start;
    gap: 32px;
  }

  .page-products .pp-tree {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    padding: 26px;
  }

  .page-products .pp-card {
    padding: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-jump a,
  .page-products .pp-tab,
  .page-products .pp-tab__arrow,
  .page-products .pp-table tbody tr {
    transition: none;
  }
}