.page-products {
  --pp-gap: clamp(12px, 1.8vw, 20px);
  --pp-sec: clamp(38px, 6vw, 76px);
  padding-bottom: clamp(40px, 7vw, 90px);
}

.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 18px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}
.page-products .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .breadcrumbs a:hover { color: var(--cyan); border-color: var(--cyan); }
.page-products .breadcrumbs [aria-current="page"] { color: var(--gold); }

.page-products .pp-section { padding-block: var(--pp-sec); }

.page-products .pp-section__head { max-width: 760px; margin-bottom: clamp(20px, 3vw, 36px); }
.page-products .pp-section__lede {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero { padding-block: clamp(20px, 4vw, 52px) clamp(10px, 2vw, 24px); }
.page-products .pp-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 38px);
  align-items: start;
}
.page-products .pp-hero__copy { min-width: 0; }
.page-products .pp-hero__copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.14;
  font-size: clamp(28px, 6.2vw, 44px);
  color: var(--ice);
}
.page-products .pp-hero__copy .lede {
  margin: 16px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 16.5px;
  line-height: 1.85;
}
.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
}
.page-products .pp-stat {
  padding: 12px 14px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}
.page-products .pp-stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .pp-stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ice);
}
.page-products .pp-stat__num {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--cyan);
  margin-right: 2px;
}
.page-products .pp-hero__fig { margin: 0; }
.page-products .pp-hero__fig img { aspect-ratio: 9 / 7; object-fit: cover; }

/* ---------- 分类图谱 ---------- */
.page-products .pp-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pp-gap);
}
.page-products .pp-map__tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 104px;
  padding: clamp(14px, 2vw, 22px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  color: var(--ice);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .pp-map__tile:hover,
.page-products .pp-map__tile:focus-visible {
  border-color: var(--cyan);
  background: #10263F;
  transform: translate(-2px, -2px);
  outline: none;
}
.page-products .pp-map__name {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.01em;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.2;
}
.page-products .pp-map__count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}
.page-products .pp-map__count em { font-style: normal; color: var(--mist); font-size: 11px; }
.page-products .pp-map__spark {
  margin-top: auto;
  display: block;
  height: 6px;
  background: #162C46;
  border: 1px solid var(--line);
}
.page-products .pp-map__spark i {
  display: block;
  height: 100%;
  width: var(--bar, 50%);
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}
.page-products .pp-map__tile--sm .pp-map__name { font-size: clamp(15px, 1.9vw, 19px); }

/* ---------- 攻略分类工作台 ---------- */
.page-products .pp-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}
.page-products .pp-rail {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px;
}
.page-products .pp-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .pp-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-products .pp-rail__list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  color: var(--ice);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .pp-rail__list a:hover,
.page-products .pp-rail__list a:focus-visible {
  border-left-color: var(--cyan);
  color: var(--cyan);
  background: #10263F;
  outline: none;
}
.page-products .pp-rail__list b {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}
.page-products .pp-rail__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  color: var(--mist);
  line-height: 1.7;
}
.page-products .pp-rail__foot b { font-family: var(--font-mono); color: var(--cyan); }

.page-products .pp-tracks { display: grid; gap: 10px; }
.page-products .pp-tracks .accordion__item {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}
.page-products .pp-tracks .accordion__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: 0;
  color: var(--ice);
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.page-products .pp-tracks .accordion__trigger:hover { background: #10263F; }
.page-products .pp-tracks .accordion__trigger:focus-visible { outline: 2px solid var(--cyan); outline-offset: -4px; }
.page-products .pp-tracks .accordion__index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  border: 1px solid var(--line);
  padding: 3px 6px;
}
.page-products .pp-track__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.01em;
}
.page-products .pp-track__meta {
  grid-column: 2 / 3;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}
.page-products .pp-tracks .accordion__mark {
  width: 12px; height: 12px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.page-products .pp-tracks .accordion__trigger[aria-expanded="true"] .accordion__mark { transform: rotate(-135deg); }
.page-products .pp-tracks .accordion__panel {
  border-top: 1px dashed var(--line);
  background: #0C1B2D;
}
.page-products .pp-track__list {
  list-style: none;
  margin: 0;
  padding: 8px 16px 14px;
  display: grid;
  gap: 2px;
}
.page-products .pp-track__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(29, 55, 87, .6);
  font-size: 14.5px;
  color: var(--ice);
  line-height: 1.65;
}
.page-products .pp-track__list li:last-child { border-bottom: 0; }
.page-products .pp-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-products .pp-shot { margin: clamp(22px, 3vw, 38px) 0 0; }
.page-products .pp-shot img { aspect-ratio: 4 / 3; object-fit: cover; }

/* ---------- 三维筛选 ---------- */
.page-products .pp-filter {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.4vw, 26px);
}
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}
.page-products .filter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 8px 13px;
  background: transparent;
  color: var(--mist);
  border: 2px solid var(--line);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .filter-btn:hover { color: var(--ice); border-color: var(--cyan); }
.page-products .filter-btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.page-products .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-products .pp-filter__status {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}
.page-products .pp-filter__results {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 14px;
}
.page-products .pp-fcard {
  padding: 16px 18px;
  border: 2px solid var(--line);
  background: #0C1B2D;
  transition: border-color var(--dur) var(--ease);
}
.page-products .pp-fcard:hover { border-color: var(--cyan); }
.page-products .pp-fcard h3 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ice);
  letter-spacing: -.01em;
}
.page-products .pp-fcard p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-shots {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 32px);
}
.page-products .pp-shots .img-frame { margin: 0; }
.page-products .pp-shots img { aspect-ratio: 22 / 15; object-fit: cover; }

.page-products .pp-backline { margin: 20px 0 0; }
.page-products .pp-backline a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.page-products .pp-backline a:hover { border-color: var(--cyan); }

/* ---------- 入口指路条 ---------- */
.page-products .pp-entry {
  position: relative;
  margin-block: var(--pp-sec);
  border-top: 2px solid var(--cyan);
  border-bottom: 2px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}
.page-products .pp-entry__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
}
.page-products .pp-entry__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(34px, 6vw, 70px);
  max-width: 860px;
}
.page-products .pp-entry h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.2;
  color: var(--ice);
}
.page-products .pp-entry p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-products .pp-entry__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-products .pp-entry__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold) !important;
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}
.page-products .eyebrow--gold { color: var(--gold); }

/* ---------- 维护节奏 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line);
}
.page-products .pp-timeline__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 32px) clamp(20px, 3vw, 30px);
}
.page-products .pp-timeline__item:last-child { padding-bottom: 0; }
.page-products .pp-timeline__node {
  position: absolute;
  left: -8px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border: 2px solid var(--ink);
  box-shadow: 0 0 0 2px var(--gold);
}
.page-products .pp-timeline__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ice);
  letter-spacing: -.01em;
}
.page-products .pp-timeline__item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 66ch;
}

/* ---------- 入门路线 ---------- */
.page-products .pp-stages {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}
.page-products .pp-stage {
  padding: clamp(16px, 2.2vw, 24px);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}
.page-products .pp-stage__days {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--gold);
}
.page-products .pp-stage h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--ice);
}
.page-products .pp-stage__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .pp-stage__list li {
  display: grid;
  gap: 3px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.page-products .pp-stage__list b {
  font-size: 14.5px;
  color: var(--cyan);
  font-weight: 700;
}
.page-products .pp-stage__list span {
  font-size: 13.5px;
  color: var(--mist);
  line-height: 1.7;
}

/* ---------- 收录与授权 ---------- */
.page-products .pp-library {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}
.page-products .pp-library__copy p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 68ch;
}
.page-products .pp-library__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-products .pp-library__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-products .pp-fact {
  padding: 16px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 4px;
}
.page-products .pp-fact--wide { grid-column: 1 / -1; background: #10263F; border-color: var(--cyan); }
.page-products .pp-fact__num {
  font-family: var(--font-mono);
  font-size: 26px;
  color: var(--cyan);
  line-height: 1;
}
.page-products .pp-fact__label {
  font-size: 12.5px;
  color: var(--mist);
  letter-spacing: .03em;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  margin-top: clamp(8px, 2vw, 20px);
  padding: clamp(22px, 3.5vw, 38px);
  border: 2px solid var(--coral);
  background: #10263F;
  box-shadow: var(--shadow-hard);
}
.page-products .pp-cta h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--ice);
}
.page-products .pp-cta p {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}
.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .pp-filter__results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pp-shots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pp-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pp-library__facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pp-fact--wide { grid-column: span 3; }
}

@media (min-width: 900px) {
  .page-products .pp-hero__layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
  .page-products .pp-hero__fig { position: sticky; top: calc(var(--header-h) + 18px); }
  .page-products .pp-map { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .page-products .pp-map__tile--xl { grid-column: span 3; min-height: 150px; }
  .page-products .pp-map__tile--lg { grid-column: span 2; }
  .page-products .pp-map__tile--md { grid-column: span 2; }
  .page-products .pp-map__tile--sm { grid-column: span 1; }
  .page-products .pp-timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 32px; }
  .page-products .pp-stages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .page-products .pp-workbench {
    grid-template-columns: 236px minmax(0, 1fr);
  }
  .page-products .pp-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow: auto;
  }
  .page-products .pp-library {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
  .page-products .pp-library__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pp-fact--wide { grid-column: 1 / -1; }
}

@media (min-width: 1180px) {
  .page-products .pp-filter__results { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (hover: none) {
  .page-products .pp-map__tile:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-map__tile,
  .page-products .pp-fcard,
  .page-products .filter-btn,
  .page-products .pp-tracks .accordion__mark {
    transition: none;
  }
}

.page-products {
  --bar: 1rem;
}