.page-products {
  --pp-hair: 1px solid var(--grid-line);
  --pp-hair-cream: 1px solid var(--line-cream);
  --pp-t: 180ms var(--ease);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  margin: 0 auto;
  padding-top: 18px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding-top: 8px;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .pp-hero__kicker {
  color: var(--ink-soft);
  margin: 0 0 14px;
}

.page-products .pp-hero__title {
  margin: 0 0 20px;
  color: var(--indigo);
  max-width: 15ch;
}

.page-products .pp-hero__text {
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 48ch;
}

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

.page-products .pp-hero__panel {
  border: var(--pp-hair);
  background: var(--paper);
  padding: 20px 18px 18px;
}

.page-products .pp-hero__panel .meta {
  margin: 0;
  color: var(--indigo);
}

.page-products .pp-read {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-read li {
  background: var(--paper);
  padding: 14px 12px 15px;
}

.page-products .pp-read__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--indigo);
}

.page-products .pp-read__lb {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* ---------- 通用小标题组 ---------- */
.page-products .pp-head {
  margin-bottom: 26px;
}

.page-products .pp-head__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pp-head--dark .section-title {
  color: var(--cream);
}

.page-products .pp-head--dark .pp-head__note {
  color: rgba(245, 240, 230, 0.74);
}

.page-products .pp-meta-amber {
  color: var(--amber-soft);
  margin: 0 0 12px;
}

.page-products .pp-meta-celadon {
  color: var(--celadon);
  margin: 0 0 12px;
}

/* ---------- 图片 ---------- */
.page-products .pp-figure {
  margin: 0;
  aspect-ratio: auto;
  border: var(--pp-hair);
  background: var(--indigo-deep);
  overflow: hidden;
}

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

.page-products .pp-figure--paths,
.page-products .pp-figure--local {
  margin-top: 32px;
}

/* ---------- 三条路径 ---------- */
.page-products .pp-paths {
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-path {
  background: var(--paper);
  border-top: 3px solid var(--indigo);
  padding: 20px 18px 22px;
  transition: border-color var(--pp-t), background var(--pp-t), transform var(--pp-t);
}

.page-products .pp-path:hover,
.page-products .pp-path:focus-within {
  border-top-color: var(--amber);
  background: var(--cream);
}

.page-products .pp-path:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: -2px;
}

.page-products .pp-path__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--indigo);
  background: var(--cream);
  border: var(--pp-hair);
  padding: 4px 8px;
}

.page-products .pp-path:hover .pp-path__tag {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--paper);
}

.page-products .pp-path__title {
  margin: 16px 0 10px;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--indigo);
}

.page-products .pp-path__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pp-path__dl {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--pp-hair);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px 14px;
  font-size: 13px;
}

.page-products .pp-path__dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--celadon);
  padding-top: 3px;
  white-space: nowrap;
}

.page-products .pp-path__dl dd {
  margin: 0;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 续看 ---------- */
.page-products .pp-resume__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .pp-resume__sub {
  margin: 0 0 16px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--amber-soft);
}

.page-products .pp-restore {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-cream);
  border: var(--pp-hair-cream);
}

.page-products .pp-restore li {
  background: var(--indigo);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 0 14px;
  align-items: start;
}

.page-products .pp-restore__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
  padding-top: 2px;
}

.page-products .pp-restore b {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  color: var(--cream);
}

.page-products .pp-restore p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.72);
}

.page-products .pp-resume__time {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  background: var(--indigo-deep);
  color: var(--cream);
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pp-figure--resume {
  background: var(--indigo-deep);
  border-color: var(--line-cream-strong);
}

/* ---------- 三维索引标签切换 ---------- */
.page-products .pp-tabs {
  position: relative;
  margin-top: 30px;
}

.page-products .pp-tabs__input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-products .pp-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-tabs__input:focus-visible ~ .pp-tabs__bar {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
}

.page-products .pp-tabs__label {
  flex: 1 1 140px;
  background: var(--paper);
  padding: 13px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-align: center;
  cursor: pointer;
  transition: background var(--pp-t), color var(--pp-t);
  user-select: none;
}

.page-products .pp-tabs__label:hover {
  background: var(--cream);
  color: var(--celadon);
}

.page-products #pp-tab-city:checked ~ .pp-tabs__bar .pp-tabs__label[for="pp-tab-city"],
.page-products #pp-tab-column:checked ~ .pp-tabs__bar .pp-tabs__label[for="pp-tab-column"],
.page-products #pp-tab-ver:checked ~ .pp-tabs__bar .pp-tabs__label[for="pp-tab-ver"] {
  background: var(--indigo);
  color: var(--cream);
}

.page-products .pp-tabs__panels {
  border: var(--pp-hair);
  border-top: 0;
  background: var(--paper);
  padding: 22px 18px 24px;
}

.page-products .pp-panel {
  display: none;
}

.page-products #pp-tab-city:checked ~ .pp-tabs__panels .pp-panel--city,
.page-products #pp-tab-column:checked ~ .pp-tabs__panels .pp-panel--column,
.page-products #pp-tab-ver:checked ~ .pp-tabs__panels .pp-panel--ver {
  display: block;
}

.page-products .pp-panel__lead {
  margin: 0 0 18px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .pp-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-panel__list li {
  background: var(--paper);
  padding: 13px 14px;
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
}

.page-products .pp-panel__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-products .pp-panel__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 版本标记 ---------- */
.page-products .pp-figure--marks {
  margin-bottom: 30px;
  background: var(--cream);
}

.page-products .pp-marks {
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-mark {
  background: var(--paper);
  padding: 20px 18px 18px;
  border-left: 4px solid var(--grid-line);
  transition: border-color var(--pp-t), background var(--pp-t);
}

.page-products .pp-mark--a { border-left-color: var(--amber); }
.page-products .pp-mark--b { border-left-color: var(--celadon); }
.page-products .pp-mark--c { border-left-color: var(--indigo-mid); }

.page-products .pp-mark:hover {
  background: var(--cream);
}

.page-products .pp-mark__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-products .pp-mark__chip {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  background: var(--indigo);
}

.page-products .pp-mark--a .pp-mark__chip { background: var(--amber); color: var(--indigo-deep); }
.page-products .pp-mark--b .pp-mark__chip { background: var(--celadon); }
.page-products .pp-mark--c .pp-mark__chip { background: var(--indigo-mid); }

.page-products .pp-mark__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--indigo);
}

.page-products .pp-mark__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pp-mark__more {
  margin-top: 16px;
  border-top: var(--pp-hair);
  padding-top: 12px;
}

.page-products .pp-mark__more summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

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

.page-products .pp-mark__more summary::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--amber);
}

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

.page-products .pp-mark__more summary:hover {
  color: var(--celadon);
}

.page-products .pp-mark__more p {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 极简模式 ---------- */
.page-products .pp-lite {
  background: var(--cream);
}

.page-products .pp-lite__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-products .pp-lite__text {
  margin: 14px 0 22px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .pp-lite__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pp-hair);
}

.page-products .pp-lite__list li {
  padding: 14px 0 14px 18px;
  border-bottom: var(--pp-hair);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  position: relative;
}

.page-products .pp-lite__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--celadon);
}

.page-products .pp-lite__list b {
  display: inline-block;
  margin-right: 8px;
  color: var(--indigo);
}

.page-products .pp-figure--lite {
  background: var(--paper);
  border-color: var(--grid-line);
}

/* ---------- 组合场景 ---------- */
.page-products .pp-moments {
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: var(--pp-hair);
}

.page-products .pp-moment {
  background: var(--paper);
  padding: 20px 18px 20px;
  display: flex;
  flex-direction: column;
  transition: background var(--pp-t);
}

.page-products .pp-moment:hover {
  background: var(--cream);
}

.page-products .pp-moment__step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--celadon);
}

.page-products .pp-moment__title {
  margin: 12px 0 10px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--indigo);
}

.page-products .pp-moment p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pp-moment__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
  text-decoration: none;
  border-bottom: 1px solid var(--grid-line);
  padding-bottom: 3px;
  transition: border-color var(--pp-t), color var(--pp-t);
}

.page-products .pp-moment__link:hover,
.page-products .pp-moment__link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 收束 ---------- */
.page-products .pp-tail {
  margin-top: 30px;
  padding-top: 22px;
  border-top: var(--pp-hair);
}

.page-products .pp-tail p {
  margin: 0 0 12px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pp-tail a {
  color: var(--indigo);
  border-bottom: 1px solid var(--grid-line);
  text-decoration: none;
  transition: border-color var(--pp-t), color var(--pp-t);
}

.page-products .pp-tail a:hover,
.page-products .pp-tail a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-products .pp-tail__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .pp-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--indigo);
  background: var(--paper);
  border: var(--pp-hair);
  padding: 6px 12px;
  cursor: pointer;
  transition: background var(--pp-t), border-color var(--pp-t), color var(--pp-t);
}

.page-products .pp-copy:hover {
  background: var(--cream);
  border-color: var(--amber);
  color: var(--amber);
}

.page-products .pp-copy:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 2px;
}

.page-products .pp-copy[data-copied] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero__panel {
    padding: 24px 22px 20px;
  }

  .page-products .pp-hero__text {
    font-size: 18px;
  }

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

  .page-products .pp-tabs__panels {
    padding: 26px 24px 28px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 44px;
  }

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

  .page-products .pp-resume__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 40px;
    align-items: stretch;
  }

  .page-products .pp-lite__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: center;
  }

  .page-products .pp-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px 40px;
    align-items: end;
    margin-bottom: 32px;
  }

  .page-products .pp-head__note {
    margin-top: 0;
    text-align: right;
  }

  .page-products .pp-head--dark .pp-head__note {
    text-align: right;
  }

  .page-products .pp-figure--paths,
  .page-products .pp-figure--local {
    margin-top: 40px;
  }
}

@media (min-width: 1280px) {
  .page-products .pp-hero__title {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-path,
  .page-products .pp-mark,
  .page-products .pp-moment,
  .page-products .pp-tabs__label,
  .page-products .pp-copy,
  .page-products .pp-moment__link,
  .page-products .pp-tail a {
    transition: none;
  }
}
<<<END>>>