.page-products {
  --pd-measure: 34em;
  --pd-hair: rgba(11, 26, 43, .14);
  --pd-tint: rgba(18, 200, 214, .12);

  background-color: var(--paper-100);
  background-image: repeating-linear-gradient(118deg, rgba(11, 26, 43, .04) 0 1px, transparent 1px 24px);
  color: var(--char-800);
  font-family: var(--font-body);
  padding-bottom: 72px;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: 26px 0 4px;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 14%;
  right: -22%;
  width: 80%;
  height: 62%;
  border-radius: var(--radius-lg);
  background: linear-gradient(126deg, rgba(18, 200, 214, .22), rgba(11, 26, 43, .05) 72%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-products .pd-hero-grid {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  font-size: 13px;
  color: var(--slate-600);
  margin-bottom: 18px;
}

.page-products .breadcrumb a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--pd-hair);
}

.page-products .breadcrumb a:hover {
  border-bottom-color: var(--cyan-500);
}

.page-products .breadcrumb span[aria-hidden] {
  margin: 0 8px;
  color: rgba(74, 90, 106, .55);
}

.page-products .pd-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -.022em;
  color: var(--ink-900);
}

.page-products .pd-hero .lead {
  max-width: var(--pd-measure);
  margin: 0 0 20px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--slate-600);
}

.page-products .pd-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .pd-hero-num {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--ink-700);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px dashed var(--line-cyan);
}

/* ---------- 图片容器 ---------- */
.page-products .pd-figure {
  margin: 0;
}

.page-products .pd-figure .figure-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: var(--ink-900);
}

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

.page-products .pd-figure .figure-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-600);
}

.page-products .pd-figure--portrait {
  max-width: 288px;
  margin: 34px auto 0;
}

.page-products .pd-figure--wide {
  max-width: 760px;
  margin: 26px auto 30px;
}

/* ---------- 页内目录 ---------- */
.page-products .pd-index {
  display: flex;
  gap: 10px;
  margin: 34px 0 4px;
  padding-bottom: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products .pd-index a {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--pd-hair);
  background: var(--paper-0);
  color: var(--ink-700);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-products .pd-index a:hover {
  border-color: var(--cyan-300);
}

.page-products .pd-index a[aria-current="true"] {
  border-color: var(--cyan-500);
  background: var(--pd-tint);
  color: var(--ink-900);
  box-shadow: inset 0 0 0 1px rgba(18, 200, 214, .35);
}

/* ---------- 通用章节件 ---------- */
.page-products .pd-head {
  max-width: 44em;
  margin-bottom: 24px;
}

.page-products .pd-head .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--cyan-500);
  text-transform: uppercase;
}

.page-products .pd-h2 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 5.6vw, 30px);
  line-height: 1.26;
  letter-spacing: -.014em;
  color: var(--ink-900);
}

.page-products .pd-p {
  margin: 0 0 14px;
  max-width: var(--pd-measure);
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--slate-600);
}

.page-products .pd-inline-link {
  margin: 22px 0 0;
  max-width: var(--pd-measure);
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-products .pd-inline-link a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-products .pd-inline-link a:hover {
  color: var(--cyan-500);
}

/* ---------- 层级说明 ---------- */
.page-products .pd-levels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-level {
  position: relative;
  padding: 18px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--pd-hair);
  border-left: 3px solid var(--cyan-500);
}

.page-products .pd-level--stop {
  border-left-color: rgba(74, 90, 106, .35);
  background: rgba(253, 251, 246, .6);
}

.page-products .pd-level-num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan-500);
}

.page-products .pd-level--stop .pd-level-num {
  color: var(--slate-600);
}

.page-products .pd-level h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-level p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate-600);
}

/* ---------- 触控热区 ---------- */
.page-products .pd-zones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-zone {
  padding: 18px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-zone-bar {
  display: block;
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--cyan-500), rgba(18, 200, 214, .14));
  margin-bottom: 14px;
}

.page-products .pd-zone--bottom .pd-zone-bar { width: 100%; }
.page-products .pd-zone--middle .pd-zone-bar { width: 62%; }
.page-products .pd-zone--top .pd-zone-bar { width: 34%; }

.page-products .pd-zone h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-zone p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-products .pd-zone-meta {
  display: inline-block;
  margin: 0;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(18, 200, 214, .1);
  border: 1px solid var(--line-cyan);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-700);
}

.page-products .pd-ruler-wrap {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--ink-900);
  border: 1px solid var(--line-cream);
}

.page-products .pd-ruler {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
}

.page-products .pd-ruler line {
  stroke: var(--cyan-500);
  stroke-width: 1.5;
  stroke-dasharray: 6 6;
  opacity: .8;
}

.page-products .pd-ruler circle {
  fill: var(--cyan-500);
}

.page-products .pd-ruler-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(246, 241, 231, .74);
  text-align: center;
}

/* ---------- 压缩规则 ---------- */
.page-products .pd-rules {
  display: grid;
  gap: 14px;
}

.page-products .pd-rule {
  position: relative;
  padding: 22px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-rule::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 3px;
  border-radius: var(--radius-pill) var(--radius-pill) 0 0;
  background: linear-gradient(90deg, var(--cyan-500), rgba(18, 200, 214, 0));
}

.page-products .pd-rule-num {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  color: var(--cyan-300);
  font-size: 12.5px;
  letter-spacing: .18em;
}

.page-products .pd-rule h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-rule p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate-600);
}

.page-products .pd-rule-edge {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--pd-hair);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gold-500);
}

/* ---------- 版本对照 ---------- */
.page-products .pd-compare {
  display: grid;
  gap: 16px;
}

.page-products .pd-panel {
  padding: 20px 20px 8px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--pd-hair);
  border-top-width: 4px;
}

.page-products .pd-panel--a {
  border-top-color: var(--amber-500);
}

.page-products .pd-panel--b {
  border-top-color: var(--rose-500);
}

.page-products .pd-panel-head {
  margin-bottom: 14px;
}

.page-products .pd-panel-head h3 {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-panel-list {
  margin: 0;
  padding: 0;
}

.page-products .pd-panel-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--pd-hair);
}

.page-products .pd-panel-list dt {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate-600);
}

.page-products .pd-panel-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  text-align: right;
  color: var(--ink-900);
}

.page-products .pd-panel--a .pd-panel-list dd.mono {
  color: var(--amber-500);
}

.page-products .pd-panel--b .pd-panel-list dd.mono {
  color: var(--rose-500);
}

/* ---------- 收藏落点 ---------- */
.page-products .pd-cards {
  display: grid;
  gap: 14px;
}

.page-products .pd-jar {
  position: relative;
  padding: 22px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--ink-900);
  border: 1px solid var(--line-cream);
  color: var(--paper-100);
}

.page-products .pd-jar h3 {
  margin: 10px 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--paper-0);
}

.page-products .pd-jar p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 241, 231, .78);
}

.page-products .pd-jar-keep {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-cream);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold-200);
}

.page-products .pd-star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(216, 160, 60, .18);
  border: 1px solid rgba(240, 217, 166, .5);
  color: var(--gold-200);
  font-size: 14px;
}

/* ---------- 屏幕适配 ---------- */
.page-products .pd-axis {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0 0 26px;
  padding: 6px 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-axis li {
  position: relative;
  flex: 1 0 104px;
  padding-top: 20px;
  border-top: 2px solid var(--pd-hair);
}

.page-products .pd-axis li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan-500);
  box-shadow: 0 0 0 4px rgba(18, 200, 214, .14);
}

.page-products .pd-axis-size {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-products .pd-axis-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-600);
}

.page-products .pd-degrade {
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(240, 217, 166, .28);
  border: 1px solid rgba(216, 160, 60, .34);
}

.page-products .pd-degrade h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-degrade p {
  margin: 0;
  max-width: var(--pd-measure);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-700);
}

/* ---------- 换版确认 ---------- */
.page-products .pd-moves {
  display: grid;
  gap: 14px;
}

.page-products .pd-move {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--pd-hair);
  border-left: 3px solid var(--rose-500);
}

.page-products .pd-move-num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--rose-500);
}

.page-products .pd-move h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-900);
}

.page-products .pd-move p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate-600);
}

.page-products .pd-next {
  margin-top: 30px;
  padding: 24px 20px;
  border-radius: var(--radius-md);
  background: var(--ink-900);
  border: 1px solid var(--line-cream);
}

.page-products .pd-next p {
  margin: 0 0 16px;
  max-width: var(--pd-measure);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(246, 241, 231, .78);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-products .pd-levels,
  .page-products .pd-zones,
  .page-products .pd-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pd-levels .pd-level--stop {
    grid-column: 1 / -1;
  }

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

  .page-products .pd-moves {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .7fr);
    gap: 46px;
    align-items: start;
  }

  .page-products .pd-figure--portrait {
    margin: 6px 0 0;
    max-width: 300px;
    justify-self: end;
  }

  .page-products .pd-index {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-products .pd-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-axis {
    overflow: visible;
  }

  .page-products .pd-next {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 26px 30px;
  }

  .page-products .pd-next p {
    margin: 0;
  }

  .page-products .pd-ruler-wrap {
    padding: 26px 28px;
  }
}

@media (min-width: 1180px) {
  .page-products .pd-head {
    padding-left: 8px;
  }

  .page-products .pd-p {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-index a {
    transition: none;
  }
}