.page-products {
  --pp-pad: 20px;
  --pp-max: 1200px;
  --pp-radius: 0px;
  background: var(--obsidian);
  color: var(--ivory);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products a {
  color: inherit;
}

.pp-wrap {
  width: 100%;
  max-width: var(--pp-max);
  margin: 0 auto;
  padding: 0 var(--pp-pad);
}

/* ---------- 首屏 ---------- */

.pp-hero {
  position: relative;
  isolation: isolate;
  padding: 78px 0 48px;
  border-bottom: 2px solid var(--bronze);
  overflow: hidden;
}

.pp-hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.pp-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: .32;
  filter: saturate(.8);
}

.pp-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(201, 150, 46, .22) 0%, rgba(14, 13, 18, 0) 58%),
    linear-gradient(180deg, rgba(14, 13, 18, .72) 0%, rgba(14, 13, 18, .95) 62%, var(--obsidian) 100%);
}

.pp-hero-inner {
  max-width: var(--pp-max);
  margin: 0 auto;
  padding: 0 var(--pp-pad);
}

.pp-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mauve);
  margin-bottom: 26px;
}

.pp-crumbs a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.pp-crumbs a:hover {
  border-bottom-color: var(--gold-light);
}

.pp-hero h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 10.5vw, 104px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ivory);
  text-shadow: 4px 4px 0 rgba(0, 0, 0, .55);
  max-width: 16ch;
}

.pp-hero-lede {
  margin: 0 0 30px;
  max-width: 60ch;
  font-size: 16px;
  color: #d9d2c6;
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

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

.pp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  border: 2px solid var(--bronze);
  background: transparent;
  color: var(--ivory);
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease, transform .2s ease;
}

.pp-btn--primary {
  background: var(--gold);
  border-color: var(--gold-light);
  color: var(--obsidian);
  font-weight: 700;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .45);
}

.pp-btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.pp-btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.pp-btn--solid {
  background: var(--obsidian);
  border-color: var(--obsidian);
  color: var(--gold-light);
  font-weight: 700;
}

.pp-btn--solid:hover {
  background: #000;
}

.pp-btn--outline {
  background: transparent;
  border-color: var(--ivory);
  color: var(--ivory);
}

.pp-btn--outline:hover {
  border-color: var(--obsidian);
  color: var(--obsidian);
}

.pp-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bronze);
  display: inline-block;
  transition: background-color .2s ease, box-shadow .2s ease;
}

[data-favorite-toggle][aria-pressed="true"] .pp-dot,
.pp-btn .pp-dot.is-on {
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(47, 143, 122, .3);
}

.pp-hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 2px solid rgba(138, 97, 23, .5);
}

.pp-hero-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--mauve);
  text-decoration: none;
  transition: color .2s ease;
}

.pp-hero-index a:hover {
  color: var(--gold-light);
}

.pp-idx-no {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bronze);
}

/* ---------- 章节骨架 ---------- */

.pp-section {
  position: relative;
  padding: 56px 0;
  border-bottom: 1px solid rgba(138, 97, 23, .28);
}

.pp-section--teal {
  background: linear-gradient(180deg, rgba(16, 63, 69, .62) 0%, rgba(16, 63, 69, .14) 100%);
}

.pp-section--indigo {
  background: linear-gradient(180deg, rgba(59, 31, 58, .66) 0%, rgba(59, 31, 58, .18) 100%);
}

.pp-section--graphite {
  background: var(--graphite);
}

.pp-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.pp-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  margin-bottom: 10px;
}

.pp-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--ivory);
}

.pp-lede {
  margin: 0;
  font-size: 16px;
  color: #c8c0d0;
  max-width: 62ch;
}

.pp-note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--mauve);
  border-left: 2px solid var(--bronze);
  padding-left: 12px;
}

.pp-inline-links {
  margin: 28px 0 0;
  font-size: 15px;
  color: var(--mauve);
}

.pp-inline-links a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--bronze);
}

.pp-inline-links a:hover {
  border-bottom-color: var(--gold-light);
}

/* ---------- 筛选与轨道 ---------- */

.pp-filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 20px;
  scrollbar-width: none;
}

.pp-filter-bar::-webkit-scrollbar {
  display: none;
}

.pp-filter-btn {
  flex: 0 0 auto;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  border: 2px solid var(--bronze);
  border-radius: 999px;
  background: rgba(14, 13, 18, .55);
  color: var(--ivory);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.pp-filter-btn:hover {
  border-color: var(--gold);
  color: var(--gold-light);
}

.pp-filter-btn[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold-light);
  color: var(--obsidian);
  font-weight: 700;
}

.pp-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 2px 20px;
  scrollbar-width: thin;
}

.pp-track::-webkit-scrollbar {
  height: 6px;
}

.pp-track::-webkit-scrollbar-track {
  background: rgba(138, 97, 23, .25);
}

.pp-track::-webkit-scrollbar-thumb {
  background: var(--bronze);
}

.pp-case {
  scroll-snap-align: start;
  flex: 0 0 min(76vw, 292px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  background: var(--graphite);
  border: 2px solid var(--bronze);
  box-shadow: var(--shadow);
  transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}

.pp-case:hover,
.pp-case:focus-within {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 8px 10px 0 rgba(0, 0, 0, .55);
}

.pp-case-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bronze);
}

.pp-case-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.25;
  color: var(--ivory);
}

.pp-case-desc {
  margin: 0;
  font-size: 14px;
  color: #b6aeb9;
  flex: 1 1 auto;
}

.pp-case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(138, 97, 23, .45);
}

.pp-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .04em;
  border: 1px solid var(--bronze);
  background: rgba(201, 150, 46, .12);
  color: var(--gold-light);
  border-radius: 999px;
  transition: background-color .22s ease, color .22s ease, border-color .22s ease;
}

.pp-case:hover .pp-badge {
  background: var(--gold);
  border-color: var(--gold-light);
  color: var(--obsidian);
}

.pp-dur {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mauve);
}

.page-products .pp-case.is-filtered-out {
  display: none;
}

/* ---------- 场景分栏 ---------- */

.pp-scene-split {
  margin-top: 34px;
  display: grid;
  gap: 24px;
}

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

.pp-scene {
  padding: 16px 18px;
  background: rgba(14, 13, 18, .62);
  border-left: 3px solid var(--gold);
  border-top: 1px solid rgba(138, 97, 23, .4);
}

.pp-scene-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jade);
}

.pp-scene h3 {
  margin: 6px 0 4px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-scene-count {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-light);
}

.pp-scene-desc {
  margin: 0;
  font-size: 14px;
  color: #b0a8b4;
}

.pp-scene-figure,
.pp-legacy-figure,
.pp-compare-figure,
.pp-switch-figure {
  margin: 0;
  border: 2px solid var(--bronze);
  background: var(--obsidian);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pp-scene-figure img,
.pp-legacy-figure img,
.pp-compare-figure img,
.pp-switch-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(.85);
}

.pp-compare-figure img {
  aspect-ratio: 12 / 7;
}

.pp-switch-figure img {
  aspect-ratio: 12 / 5;
}

.pp-scene-figure figcaption,
.pp-legacy-figure figcaption,
.pp-compare-figure figcaption,
.pp-switch-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mauve);
  border-top: 1px solid rgba(138, 97, 23, .45);
}

/* ---------- 收藏与日历三步 ---------- */

.pp-steps {
  display: grid;
  gap: 16px;
}

.pp-step-card {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--graphite);
  border: 2px solid var(--bronze);
  box-shadow: var(--shadow);
}

.pp-step-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  margin-bottom: 10px;
}

.pp-step-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-step-card p {
  margin: 0;
  font-size: 14px;
  color: #b6aeb9;
}

.pp-panel-status {
  margin-top: 26px;
  border: 2px solid var(--bronze);
  background: rgba(14, 13, 18, .72);
}

.pp-status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(138, 97, 23, .35);
}

.pp-status-line:last-child {
  border-bottom: 0;
}

.pp-status-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
  min-width: 8em;
}

.pp-status-value {
  flex: 1 1 60%;
  font-size: 14px;
  color: var(--ivory);
}

/* ---------- 旧版入口 ---------- */

.pp-legacy-split {
  display: grid;
  gap: 28px;
}

.pp-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  counter-reset: none;
}

.pp-path li {
  position: relative;
  padding-left: 22px;
  border-left: 2px solid rgba(201, 150, 46, .45);
}

.pp-path li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border: 2px solid var(--indigo);
  transform: rotate(45deg);
}

.pp-path-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-light);
}

.pp-path h3 {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-path p {
  margin: 0;
  font-size: 14px;
  color: #c1b8c6;
}

/* ---------- 双栏对照 ---------- */

.pp-compare {
  display: grid;
  gap: 18px;
}

.pp-compare-col {
  border: 2px solid var(--bronze);
  background: rgba(14, 13, 18, .72);
}

.pp-compare-col--wide {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(16, 63, 69, .5) 0%, rgba(14, 13, 18, .9) 100%);
}

.pp-compare summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 2px solid rgba(138, 97, 23, .5);
}

.pp-compare summary::-webkit-details-marker {
  display: none;
}

.pp-compare summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
}

.pp-compare-col[open] summary::after {
  content: "－";
}

.pp-compare-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--ivory);
}

.pp-compare-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jade);
  border: 1px solid var(--jade);
  border-radius: 999px;
  padding: 3px 10px;
}

.pp-compare-body {
  padding: 18px;
}

.pp-compare-body > p {
  margin: 0 0 14px;
  font-size: 15px;
  color: #c6bdcc;
}

.pp-compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pp-compare-list li {
  font-size: 14px;
  color: var(--ivory);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(138, 97, 23, .4);
}

.pp-compare-list li:last-child {
  border-bottom: 0;
}

.pp-compare-key {
  display: inline-block;
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-light);
  margin-right: 8px;
}

/* ---------- 换机时间线 ---------- */

.pp-switch-split {
  display: grid;
  gap: 28px;
}

.pp-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.pp-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 150, 46, .12) 100%);
}

.pp-step {
  position: relative;
  padding-bottom: 28px;
}

.pp-step:last-child {
  padding-bottom: 0;
}

.pp-step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--obsidian);
  border: 2px solid var(--gold);
}

.pp-step-date {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-light);
}

.pp-step h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-step p {
  margin: 0 0 8px;
  font-size: 14px;
  color: #c1b8c6;
}

.pp-step-diff {
  font-size: 13px !important;
  color: var(--mauve) !important;
  border-left: 2px solid var(--jade);
  padding-left: 10px;
}

/* ---------- 版本说明 ---------- */

.pp-version-grid {
  display: grid;
  gap: 16px;
}

.pp-version-card {
  padding: 20px 18px;
  background: rgba(14, 13, 18, .66);
  border: 2px solid var(--bronze);
  border-top: 3px solid var(--gold);
}

.pp-version-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jade);
  margin-bottom: 10px;
}

.pp-version-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-version-card p {
  margin: 0;
  font-size: 14px;
  color: #b6aeb9;
}

/* ---------- 先看哪一区 ---------- */

.pp-who-grid {
  display: grid;
  gap: 14px;
}

.pp-who {
  display: block;
  padding: 20px 18px;
  text-decoration: none;
  background: var(--graphite);
  border: 2px solid var(--bronze);
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}

.pp-who:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  background: #201d27;
}

.pp-who-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--obsidian);
  background: var(--gold);
  margin-bottom: 12px;
}

.pp-who h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  color: var(--ivory);
}

.pp-who p {
  margin: 0 0 12px;
  font-size: 14px;
  color: #b6aeb9;
}

.pp-who-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold-light);
  border-bottom: 1px solid var(--bronze);
}

/* ---------- 收束色带 ---------- */

.pp-band {
  background: var(--terracotta);
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  padding: 42px 0;
}

.pp-band-inner {
  display: grid;
  gap: 22px;
}

.pp-band-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 6vw, 38px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--ivory);
}

.pp-band-text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  color: rgba(243, 237, 227, .88);
}

.pp-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 700px) {
  .pp-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .pp-version-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pp-who-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pp-scene-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .pp-hero {
    padding: 96px 0 56px;
  }
  .pp-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 48px;
    align-items: end;
  }
  .pp-hero-index {
    flex-direction: column;
    gap: 12px;
    margin-top: 0;
    padding-top: 0;
    padding-left: 20px;
    border-top: 0;
    border-left: 2px solid var(--bronze);
    align-self: end;
  }
  .pp-section {
    padding: 80px 0;
  }
  .pp-scene-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
  .pp-legacy-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: start;
  }
  .pp-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.42fr);
    gap: 22px;
    align-items: start;
  }
  .pp-switch-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
  .pp-version-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .pp-who-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .pp-band-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 36px;
  }
  .pp-band {
    padding: 56px 0;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-wrap,
  .page-products .pp-hero-inner {
    padding-left: calc(var(--rail-width) + 24px);
    padding-right: 24px;
    max-width: calc(var(--pp-max) + var(--rail-width));
  }
}

@media (min-width: 1180px) {
  .pp-scene-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .pp-case {
    flex: 0 0 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transform: none !important;
  }
}