.page-products {
  --pd-rail-w: 210px;
  --pd-line: rgba(216, 210, 198, 0.14);
  background: var(--ink);
  color: var(--text);
  padding-bottom: 4px;
}

.page-products .pd-crumb {
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-products .pd-crumb a {
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

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

.page-products .pd-crumb .sep {
  margin: 0 8px;
  color: rgba(216, 210, 198, 0.32);
}

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

.page-products .pd-intro {
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--pd-line);
}

.page-products .pd-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pd-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.page-products .pd-intro h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(1.72rem, 5vw, 2.9rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 16px 0 18px;
  max-width: 22em;
}

.page-products .pd-lede {
  max-width: 64ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-products .pd-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--pd-line);
  border: 1px solid var(--pd-line);
}

.page-products .pd-metric {
  background: var(--ink);
  padding: 15px 16px;
}

.page-products .pd-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-products .pd-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--celadon);
}

.page-products .pd-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-products .pd-rail {
  display: none;
}

.page-products .pd-body {
  min-width: 0;
}

.page-products .pd-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--pd-line);
  scroll-margin-top: 92px;
}

.page-products .pd-section:last-child {
  border-bottom: 0;
}

.page-products .pd-h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.6vw, 1.8rem);
  line-height: 1.42;
  color: var(--paper);
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
}

.page-products .pd-sub {
  max-width: 62ch;
  margin: 0 0 26px;
  padding-left: 17px;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 版本矩阵 ---------- */
.page-products .pd-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .pd-version {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 20px;
  background: var(--ink-soft);
  border: 1px solid var(--pd-line);
  border-top: 3px solid var(--gold);
  box-shadow: var(--shadow-card);
}

.page-products .pd-version--slim {
  border-top-color: var(--celadon);
}

.page-products .pd-version--index {
  border-top-color: var(--bronze);
}

.page-products .pd-version-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid var(--line-gold);
}

.page-products .pd-version--slim .pd-version-badge {
  color: var(--celadon);
  border-color: rgba(142, 154, 148, 0.42);
}

.page-products .pd-version--index .pd-version-badge {
  color: var(--gold-light);
  border-color: rgba(232, 199, 122, 0.35);
}

.page-products .pd-version-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--paper);
  margin: 0;
}

.page-products .pd-version-list {
  display: grid;
  gap: 13px;
  margin: 0;
}

.page-products .pd-version-list dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--celadon);
  margin-bottom: 3px;
}

.page-products .pd-version-list dd {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text);
}

.page-products .pd-version-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(216, 210, 198, 0.16);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pd-version .link-arrow {
  margin-top: auto;
  font-size: 0.84rem;
}

/* ---------- 图片容器 ---------- */
.page-products .pd-figure {
  margin: 26px 0 0;
  background: var(--ink-soft);
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

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

.page-products .pd-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--pd-line);
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--celadon);
}

/* ---------- 五维评测 ---------- */
.page-products .pd-dims {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.page-products .pd-dim {
  padding: 20px 18px 22px;
  background: var(--ink-soft);
  border-left: 2px solid var(--line-gold);
}

.page-products .pd-dim-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pd-dim-num {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .pd-dim-head h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-dim-desc {
  margin: 8px 0 16px;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pd-bars {
  display: grid;
  gap: 9px;
}

.page-products .pd-bar-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.page-products .pd-bar-name {
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.04em;
  color: var(--celadon);
}

.page-products .pd-bar-track {
  display: block;
  height: 6px;
  border-radius: 3px;
  background: rgba(216, 210, 198, 0.1);
  overflow: hidden;
}

.page-products .pd-bar-fill {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--bronze), var(--gold));
  transition: width 0.4s var(--ease-out);
}

.page-products .pd-dim:hover .pd-bar-fill {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

/* ---------- 规则中心第2栏 ---------- */
.page-products .pd-panel {
  margin-top: 24px;
  padding: 24px 20px;
  background: var(--xuanqing);
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow-card);
}

.page-products .pd-stage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.page-products .pd-stage {
  padding-top: 12px;
  border-top: 2px solid var(--gold);
}

.page-products .pd-stage-idx {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--gold-light);
}

.page-products .pd-stage h3 {
  margin: 6px 0 8px;
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-stage p {
  margin: 0;
  font-size: 0.81rem;
  line-height: 1.72;
  color: #A8B4AE;
}

.page-products .pd-tips {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-tips li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(216, 210, 198, 0.12);
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pd-tips li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pd-tips .mono {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--gold);
  padding-top: 3px;
}

/* ---------- 小屏记录 ---------- */
.page-products .pd-taps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 6px;
}

.page-products .pd-tap {
  flex: 1 1 160px;
  min-width: 0;
  padding: 12px 14px;
  background: var(--ink-soft);
  border: 1px solid var(--line-gold);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text);
}

.page-products .pd-tap-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pd-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 75, 0.1));
}

.page-products .pd-tl-item {
  position: relative;
  padding-bottom: 22px;
}

.page-products .pd-tl-item:last-child {
  padding-bottom: 0;
}

.page-products .pd-tl-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-products .pd-tl-item:first-child::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.16);
}

.page-products .pd-tl-date {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  letter-spacing: 0.1em;
  color: var(--gold-light);
}

.page-products .pd-tl-main {
  margin: 5px 0 3px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--paper);
}

.page-products .pd-tl-meta {
  margin: 0;
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 四段步骤 ---------- */
.page-products .pd-steps {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.page-products .pd-step {
  display: grid;
  gap: 14px;
  padding: 20px 18px;
  background: var(--ink-soft);
  border: 1px solid var(--pd-line);
}

.page-products .pd-step-num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(201, 162, 75, 0.34);
}

.page-products .pd-step-title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-step-desc {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .pd-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-path {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px dotted rgba(216, 210, 198, 0.14);
  font-size: 0.81rem;
  line-height: 1.68;
  color: var(--text);
}

.page-products .pd-path:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .pd-path-v {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 3px;
}

/* ---------- 选择建议 ---------- */
.page-products .pd-picks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pd-pick {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: linear-gradient(180deg, var(--ink-raise), var(--ink-soft));
  border: 1px solid var(--pd-line);
  border-bottom: 3px solid var(--gold);
}

.page-products .pd-pick h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-products .pd-pick-ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold-light);
}

.page-products .pd-pick p:last-child {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-cta {
  margin-top: 28px;
  padding: 22px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--ink-soft);
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow-card);
}

.page-products .pd-cta p {
  margin: 0;
  max-width: 44ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pd-foot-note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-gold);
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-products .pd-foot-note a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .pd-foot-note a:hover {
  border-bottom-color: var(--gold-light);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 820px) {
  .page-products .pd-step {
    grid-template-columns: 68px minmax(0, 1fr) minmax(0, 1.4fr);
    align-items: start;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-shell {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    column-gap: 52px;
  }

  .page-products .pd-rail {
    display: block;
    position: sticky;
    top: 94px;
    align-self: start;
    padding: 46px 0;
  }

  .page-products .pd-rail-title {
    margin: 0 0 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line-gold);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    color: var(--celadon);
  }

  .page-products .pd-rail-nav {
    display: grid;
    gap: 2px;
  }

  .page-products .pd-rail-link {
    display: block;
    padding: 8px 0 8px 13px;
    border-left: 2px solid transparent;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
  }

  .page-products .pd-rail-link:hover {
    color: var(--gold-light);
  }

  .page-products .pd-rail-link[aria-current="true"] {
    color: var(--gold-light);
    border-left-color: var(--gold);
    background: linear-gradient(90deg, rgba(201, 162, 75, 0.11), transparent);
  }
}

@media (max-width: 600px) {
  .page-products .pd-intro h1 {
    font-size: 1.66rem;
  }

  .page-products .pd-bar-row {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 9px;
  }

  .page-products .pd-path {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 8px;
  }

  .page-products .pd-cta-actions {
    width: 100%;
  }

  .page-products .pd-cta-actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}