.page-products {
  --pp-cyan-soft: rgba(53, 224, 210, 0.09);
  --pp-gold-soft: rgba(242, 182, 90, 0.12);
  --pp-panel-row: rgba(18, 48, 73, 0.42);
  padding-bottom: 72px;
}

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

.page-products .p-topbar {
  padding-top: 26px;
  padding-bottom: 2px;
}

/* ---------- 首屏 ---------- */
.page-products .p-hero {
  padding-top: 20px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.page-products .p-hero-kicker {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .p-hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-products .p-hero-lede {
  max-width: 40ch;
  margin: 20px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .p-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 24px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .p-hero-meta span {
  position: relative;
  padding-left: 12px;
}

.page-products .p-hero-meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  margin-top: -2px;
  background: var(--cyan);
}

/* ---------- 通用章节头 ---------- */
.page-products .p-sec-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-bottom: 16px;
}

.page-products .p-sec-lede {
  max-width: 46ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-products .chapter-no {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-products .chapter-rule {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.page-products .chapter-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.35;
  color: var(--text);
}

/* ---------- 阶梯导航 ---------- */
.page-products .p-ladder-band {
  padding-top: 56px;
  padding-bottom: 56px;
}

.page-products .ladder {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .ladder-item {
  background: var(--ink);
  min-width: 0;
}

.page-products .ladder-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 18px;
  text-decoration: none;
  color: var(--text);
  border-bottom: 2px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .ladder-link:hover,
.page-products .ladder-link:focus-visible {
  background: var(--pp-cyan-soft);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-products .ladder-no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .ladder-name {
  font-size: 14.5px;
  line-height: 1.45;
  word-break: break-word;
}

.page-products .ladder-count {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .p-ladder-figure {
  margin: 34px 0 0;
}

/* ---------- 分类明细 ---------- */
.page-products .p-detail-band {
  padding-top: 56px;
  padding-bottom: 56px;
}

.page-products .p-texture {
  margin: 26px 0 0;
}

.page-products .p-texture .figure-media img {
  opacity: 0.42;
}

.page-products .cat-group {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-products .cat-group:first-of-type {
  margin-top: 34px;
}

.page-products .cat-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 10px;
}

.page-products .cat-no {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .cat-name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--text);
}

.page-products .cat-count {
  font-size: 11.5px;
  color: var(--muted);
}

.page-products .cat-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 11px;
  color: var(--ok);
}

.page-products .cat-status::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.page-products .cat-status--gold {
  color: var(--gold);
}

.page-products .item-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.page-products .item-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text);
  transition: color 0.18s var(--ease);
}

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

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

.page-products .item-details[open] .item-summary::after {
  content: "−";
}

.page-products .item-summary:hover {
  color: var(--cyan);
}

.page-products .item-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .item-hint {
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: var(--radius);
  white-space: nowrap;
}

.page-products .item-body {
  padding: 0 0 18px;
  border-top: 1px dotted var(--line);
  padding-top: 12px;
}

.page-products .item-body p {
  max-width: 42ch;
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .item-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

.page-products .item-link::after {
  content: "→";
  font-size: 12px;
}

.page-products .item-link:hover,
.page-products .item-link:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 升级版入口 ---------- */
.page-products .p-upgrade-band {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-products .upgrade-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 28px;
  padding-bottom: 6px;
}

.page-products .upgrade-svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-products .steps {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-products .step {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .step-no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-products .step-title {
  margin: 8px 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
}

.page-products .step-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .step-alt {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--warn);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(242, 182, 90, 0.86);
}

.page-products .p-upgrade-figure {
  margin: 40px 0 0;
}

/* ---------- 小屏 ---------- */
.page-products .p-mobile-band {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-products .p-split {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-products .compare {
  border-top: 1px solid var(--line);
}

.page-products .compare-col {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
}

.page-products .compare-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
}

.page-products .compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .compare-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 9px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-products .p-mobile-figure {
  margin: 0;
}

/* ---------- 版本表 ---------- */
.page-products .p-ver-band {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-products .ver-wrap {
  min-width: 0;
}

.page-products .ver-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--text);
}

.page-products .ver-table th {
  padding: 9px 10px 9px 0;
  text-align: left;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .ver-table td {
  padding: 12px 10px 12px 0;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--line);
}

.page-products .ver-table th:first-child,
.page-products .ver-table td:first-child {
  padding-left: 10px;
}

.page-products .ver-table tbody tr:nth-child(even) {
  background: var(--pp-panel-row);
}

.page-products .ver-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .ver-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--cyan);
  flex: none;
}

.page-products .ver-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .p-ver-figure {
  margin: 0;
}

/* ---------- 场景对照 ---------- */
.page-products .p-scene-band {
  padding-top: 60px;
  padding-bottom: 20px;
}

.page-products .scenes {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .scene {
  display: grid;
  gap: 8px;
  padding: 20px 10px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s var(--ease);
}

.page-products .scene:hover {
  background: var(--pp-cyan-soft);
}

.page-products .scene-q {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .scene-a {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .scene-link {
  justify-self: start;
  font-size: 12.5px;
}

/* ---------- 收尾 ---------- */
.page-products .p-end {
  margin-top: 40px;
  padding: 28px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(53, 224, 210, 0.07), rgba(124, 92, 255, 0.09));
  border-radius: var(--radius);
}

.page-products .p-end-text {
  max-width: 44ch;
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-products .p-end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .ladder {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ladder-link {
    padding: 18px 16px 20px;
  }

  .page-products .chapter-title {
    font-size: 26px;
  }

  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-products .compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .page-products .compare-col {
    padding: 20px 22px 22px 0;
    border-bottom: none;
  }

  .page-products .compare-col + .compare-col {
    padding-left: 26px;
    padding-right: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .scene {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-products .scene-link {
    justify-self: end;
    white-space: nowrap;
  }
}

@media (min-width: 1024px) {
  .page-products {
    padding-bottom: 96px;
  }

  .page-products .ladder {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .ladder-link {
    padding: 20px 14px 22px;
    min-height: 118px;
  }

  .page-products .p-hero {
    padding-top: 28px;
    padding-bottom: 56px;
  }

  .page-products .chapter-title {
    font-size: 30px;
  }

  .page-products .p-sec-lede {
    font-size: 15.5px;
  }

  .page-products .p-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .upgrade-svg {
    min-width: 0;
  }

  .page-products .cat-name {
    font-size: 22px;
  }

  .page-products .item-summary {
    font-size: 15px;
    padding: 16px 0;
  }

  .page-products .step {
    padding-top: 20px;
  }

  .page-products .p-end {
    padding: 36px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ladder-link,
  .page-products .item-summary,
  .page-products .scene,
  .page-products .item-link {
    transition: none;
  }
}
<<<END>>>