.page-products {
  --pp-card-gap: 12px;
  --pp-fig-radius: 2px;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  padding-bottom: 4px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: rgba(244, 241, 232, .52);
}

.page-products .breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--gold);
  border-bottom-color: var(--line-gold);
}

.page-products .breadcrumb [aria-current="page"] {
  color: var(--gold);
}

.page-products .pp-sep {
  color: var(--line-gold);
}

/* ---------- 首屏 ---------- */

.page-products .pp-hero {
  padding: 34px 0 10px;
}

.page-products .pp-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-products .pp-hero-lead .eyebrow {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0;
}

.page-products .pp-hero-lead h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 8.2vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-products .pp-hero-lead .lede {
  max-width: 58ch;
  color: rgba(244, 241, 232, .78);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: .02em;
  margin: 0 0 26px;
}

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

.page-products .pp-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-products .pp-stat {
  background: var(--ink-2);
  padding: 20px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-stat-num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .pp-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(244, 241, 232, .66);
}

/* ---------- 布局骨架 ---------- */

.page-products .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 42px;
  padding-bottom: 64px;
}

.page-products .pp-toc {
  border-top: 1px solid var(--line-faint);
  padding-top: 14px;
}

.page-products .pp-toc-title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(244, 241, 232, .48);
}

.page-products .pp-toc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-toc-list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .pp-toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(244, 241, 232, .82);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-toc-link:hover {
  color: var(--gold);
  border-color: var(--line-gold);
}

.page-products .pp-toc-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
}

/* ---------- 章节 ---------- */

.page-products .pp-sec {
  padding: 0 0 52px;
}

.page-products .pp-sec + .pp-sec {
  border-top: 1px solid var(--line-faint);
  padding-top: 48px;
}

.page-products .pp-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.page-products .pp-sec-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold);
  border-left: 2px solid var(--gold);
  padding-left: 8px;
  line-height: 1.1;
}

.page-products .pp-sec-title {
  margin: 0;
  font-size: clamp(21px, 5.4vw, 30px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .pp-sec-lede {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.72;
  letter-spacing: .02em;
  color: rgba(244, 241, 232, .74);
}

.page-products .pp-sec p {
  font-size: 15.5px;
  line-height: 1.72;
  letter-spacing: .02em;
  color: rgba(244, 241, 232, .8);
  margin: 0 0 14px;
}

.page-products .pp-inline-note {
  padding-left: 12px;
  border-left: 1px solid var(--line-gold);
  color: rgba(244, 241, 232, .62) !important;
  font-size: 14px !important;
}

/* ---------- 图片 ---------- */

.page-products .pp-fig {
  margin: 0 0 26px;
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  overflow: hidden;
  position: relative;
}

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

.page-products .pp-fig--16x9 { aspect-ratio: 16 / 9; }
.page-products .pp-fig--4x3 { aspect-ratio: 4 / 3; margin-bottom: 0; }
.page-products .pp-fig--3x4 { aspect-ratio: 3 / 4; margin-bottom: 0; }
.page-products .pp-fig--3x2 { aspect-ratio: 3 / 2; }
.page-products .pp-fig--1x1 { aspect-ratio: 1 / 1; margin-bottom: 0; }

.page-products .pp-fig--last {
  margin: 32px 0 0;
}

.page-products .pp-fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 17, 14, .05) 0%, rgba(6, 17, 14, .38) 100%);
  pointer-events: none;
}

/* ---------- 分栏 ---------- */

.page-products .pp-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-bottom: 26px;
}

.page-products .pp-split-main p:last-child {
  margin-bottom: 0;
}

.page-products .pp-plate {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(6, 17, 14, .18);
  padding: 18px 18px 16px;
  box-shadow: 0 6px 0 -3px rgba(6, 17, 14, .35);
}

.page-products .pp-plate-title {
  margin: 0 0 12px !important;
  font-size: 14px !important;
  font-weight: 700;
  color: var(--ink) !important;
  letter-spacing: .02em;
}

.page-products .pp-plate-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .pp-plate-list li {
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(6, 17, 14, .82);
  border-top: 1px solid rgba(6, 17, 14, .14);
  padding-top: 9px;
}

.page-products .pp-plate-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-plate-no {
  flex: 0 0 auto;
  color: #8a6420;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .06em;
}

/* ---------- 三级索引树 ---------- */

.page-products .pp-tree-wrap {
  border: 1px solid var(--line-faint);
  background: linear-gradient(180deg, rgba(12, 32, 25, .72) 0%, rgba(6, 17, 14, .92) 100%);
  padding: 18px 14px 12px;
  overflow-x: auto;
}

.page-products .pp-tree {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
}

.page-products .pp-tree-line {
  stroke: var(--line-gold);
  stroke-width: 1;
  fill: none;
}

.page-products .pp-tree-node {
  fill: rgba(12, 32, 25, .9);
  stroke: var(--line-gold);
  stroke-width: 1;
}

.page-products .pp-tree-node--root {
  fill: rgba(216, 161, 58, .1);
  stroke: var(--gold);
}

.page-products .pp-tree-node--now {
  fill: rgba(216, 161, 58, .16);
  stroke: var(--gold);
}

.page-products .pp-tree-t {
  fill: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-products .pp-tree-t--mono {
  font-family: var(--mono);
  font-weight: 700;
  fill: var(--gold);
}

.page-products .pp-tree-t--sub {
  font-size: 12px;
  fill: rgba(244, 241, 232, .5);
}

.page-products .pp-tree-wrap .figure-cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 241, 232, .5);
  font-family: var(--mono);
}

/* ---------- 三种读法 ---------- */

.page-products .pp-views {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.page-products .pp-view {
  position: relative;
  padding-top: 34px;
  border-top: 2px solid var(--line-gold);
}

.page-products .pp-view-tag {
  position: absolute;
  top: 12px;
  left: 0;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .pp-view .card-title {
  margin: 0 0 8px;
  color: var(--paper);
  font-size: 18px;
  letter-spacing: -.01em;
}

.page-products .pp-view .card-body {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(244, 241, 232, .74);
}

.page-products .pp-view-fit {
  margin: 0 !important;
  font-size: 13px !important;
  color: var(--gold-soft) !important;
  font-family: var(--mono);
  line-height: 1.6 !important;
}

.page-products .pp-cross {
  font-size: 14px;
  color: rgba(244, 241, 232, .66);
}

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

.page-products .pp-cross a:hover {
  color: var(--gold-soft);
}

/* ---------- 六个字段组 ---------- */

.page-products .pp-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  margin-top: 8px;
}

.page-products .pp-field {
  background: var(--ink);
  padding: 18px 16px;
}

.page-products .pp-ico {
  width: 26px;
  height: 26px;
  display: block;
  margin-bottom: 12px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .pp-field-name {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .pp-field-desc {
  margin: 0 !important;
  font-size: 13.5px !important;
  line-height: 1.62 !important;
  color: rgba(244, 241, 232, .66) !important;
}

/* ---------- 筛选维度 ---------- */

.page-products .pp-dims {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-faint);
}

.page-products .pp-dims li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc";
  gap: 2px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-faint);
}

.page-products .pp-dim-no {
  grid-area: no;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 2px;
}

.page-products .pp-dim-name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pp-dim-desc {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(244, 241, 232, .62);
}

.page-products .pp-presets {
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(216, 161, 58, .07) 0%, rgba(6, 17, 14, 0) 100%);
  padding: 20px 18px;
}

.page-products .pp-presets-title {
  margin: 0 0 14px !important;
  font-size: 14.5px !important;
  color: var(--gold-soft) !important;
  line-height: 1.6 !important;
}

.page-products .pp-chips {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.3;
  color: rgba(244, 241, 232, .78);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pp-chip--on {
  border-color: var(--yellow);
  color: var(--yellow);
  background: rgba(242, 194, 48, .08);
}

.page-products .pp-presets-note {
  margin: 0 !important;
  font-size: 13px !important;
  color: rgba(244, 241, 232, .56) !important;
  font-family: var(--mono);
  line-height: 1.62 !important;
}

/* ---------- 纪律归档 ---------- */

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

.page-products .pp-round {
  border-bottom: 1px solid var(--line-faint);
}

.page-products .pp-round summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pp-round summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--gold);
  line-height: 1;
}

.page-products .pp-round[open] summary::after {
  content: "–";
}

.page-products .pp-round-no {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-products .pp-round-meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pp-round-body {
  padding: 0 0 16px;
}

.page-products .pp-round-body p {
  margin: 0 !important;
  font-size: 14px !important;
  line-height: 1.7 !important;
  color: rgba(244, 241, 232, .68) !important;
  border-left: 2px solid var(--line-gold);
  padding-left: 12px;
}

/* ---------- 横向战报卡 ---------- */

.page-products .pp-cards {
  display: flex;
  gap: var(--pp-card-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-faint);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-card {
  flex: 0 0 90px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 12px 10px;
  background: var(--ink-2);
  border: 1px solid var(--line-faint);
  border-left: 2px solid var(--gold);
}

.page-products .pp-card-round {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
  white-space: nowrap;
}

.page-products .pp-card-line {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  line-height: 1.4;
  color: rgba(244, 241, 232, .66);
  font-family: var(--mono);
  white-space: nowrap;
}

.page-products .pp-card-line--strong {
  color: rgba(244, 241, 232, .9);
}

.page-products .pp-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.page-products .pp-dot--y { background: var(--yellow); }
.page-products .pp-dot--r { background: var(--red); }

.page-products .pp-cards-next {
  margin: 14px 0 0 !important;
  font-size: 13.5px !important;
  color: rgba(244, 241, 232, .6) !important;
}

.page-products .pp-next-no {
  color: var(--gold);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 数据链路 ---------- */

.page-products .pp-srcs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.page-products .pp-src {
  padding-top: 30px;
  border-top: 2px solid var(--slate);
  position: relative;
}

.page-products .pp-src-tag {
  position: absolute;
  top: 11px;
  left: 0;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-products .pp-src .card-title {
  margin: 0 0 8px;
  color: var(--paper);
  font-size: 17px;
}

.page-products .pp-src .card-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(244, 241, 232, .72);
}

.page-products .pp-timing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-products .pp-time-item {
  background: var(--ink);
  padding: 18px 16px;
}

.page-products .pp-time-num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
  line-height: 1;
}

.page-products .pp-time-unit {
  margin-left: 6px;
  font-size: 12px;
  color: rgba(244, 241, 232, .5);
  font-family: var(--mono);
}

.page-products .pp-time-item p {
  margin: 10px 0 0 !important;
  font-size: 13.5px !important;
  line-height: 1.62 !important;
  color: rgba(244, 241, 232, .66) !important;
}

/* ---------- 平板 ---------- */

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

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

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

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

  .page-products .pp-card {
    flex: 1 1 0;
    min-width: 0;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding-top: 52px;
  }

  .page-products .pp-hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: end;
  }

  .page-products .pp-stat {
    padding: 24px 20px 20px;
  }

  .page-products .pp-split {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: start;
  }

  .page-products .pp-split--img {
    grid-template-columns: 4fr 8fr;
  }

  .page-products .pp-split--rev {
    grid-template-columns: 7fr 5fr;
  }

  .page-products .pp-split--rev > figure {
    order: 2;
  }

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

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

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

  .page-products .pp-timing {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .pp-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-products .pp-toc {
    position: sticky;
    top: calc(var(--head-h) + 24px);
    align-self: start;
    border-top: 0;
    border-left: 1px solid var(--line-faint);
    padding-top: 0;
    padding-left: 16px;
  }

  .page-products .pp-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pp-toc-link {
    border: 0;
    border-radius: 0;
    padding: 7px 0;
    white-space: normal;
  }

  .page-products .pp-sec + .pp-sec {
    padding-top: 56px;
  }

  .page-products .pp-sec {
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-toc-link,
  .page-products .breadcrumb a,
  .page-products .pp-chip {
    transition: none;
  }
}