/* ===== 内容中心 · 页面专属样式（作用域 .page-products） ===== */

.page-products {
  --pd-rail-w: 196px;
  --pd-radius-sm: 14px;
  background: var(--cream);
  color: var(--rock);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding: 22px 0 4px;
}
.page-products .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--rock);
}
.page-products .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--line);
}
.page-products .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}
.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  border-bottom-color: var(--mist);
}

/* ---------- 通用文字 ---------- */
.page-products .pd-overline {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: none;
}
.page-products .pd-overline.is-on-dark {
  color: var(--gold-soft);
}

.page-products .pd-h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
}
.page-products .pd-h2.is-on-dark {
  color: var(--cream);
}

.page-products .pd-lead {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--rock);
}

.page-products p {
  font-size: 16.5px;
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 26px 0 54px;
}
.page-products .pd-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}
.page-products .pd-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
}
.page-products .pd-hero-copy .lede {
  margin: 0 0 26px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--rock);
}
.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}
.page-products .pd-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--rock);
}
.page-products .pd-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}
.page-products .pd-hero-facts .mono {
  font-size: 19px;
  font-weight: 500;
  color: var(--ink-mid);
}

.page-products .pd-hero-panel {
  position: relative;
  padding: 28px 26px 24px;
  border-radius: var(--radius-deep);
  background: linear-gradient(160deg, var(--ink-mid) 0%, var(--ink-deep) 72%);
  color: var(--cream);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.page-products .pd-hero-panel::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -56px;
  width: 168px;
  height: 168px;
  border-radius: 50%;
  border: 22px solid rgba(201, 162, 74, 0.16);
  pointer-events: none;
}
.page-products .pd-hero-panel-title {
  margin: 0;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 234, 0.72);
}
.page-products .pd-hero-code {
  margin: 10px 0 18px;
  font-size: clamp(22px, 3.4vw, 29px);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--gold);
  word-break: break-all;
}
.page-products .pd-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-products .pd-hero-panel-note {
  position: relative;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 243, 234, 0.18);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.82);
}

/* ---------- 主布局 + 右侧锚点 ---------- */
.page-products .pd-layout {
  padding-bottom: 8px;
}
.page-products .pd-section {
  margin-bottom: var(--gap-tight);
}
.page-products .pd-section:last-child {
  margin-bottom: 0;
}
.page-products .pd-section-last {
  padding-bottom: 72px;
}
.page-products .pd-head {
  margin-bottom: 26px;
}
.page-products .pd-rail {
  display: none;
}

/* ---------- 图片容器 ---------- */
.page-products .pd-frame {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--mist-soft);
}
.page-products .pd-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pd-frame-wide {
  aspect-ratio: 1200 / 420;
  margin-bottom: 28px;
}
.page-products .pd-frame-tall {
  aspect-ratio: 7 / 4.6;
  border-radius: var(--radius-panel);
}
.page-products .pd-frame-tall img {
  height: 100%;
}
.page-products .pd-frame-banner {
  aspect-ratio: 12 / 5;
  margin-top: 30px;
}
.page-products .pd-frame-banner img {
  height: 100%;
}

/* ---------- 四栏目卡片流 ---------- */
.page-products .pd-cardstream {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-products .pd-col-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease), border-color 320ms var(--ease);
}
.page-products .pd-col-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.page-products .pd-col-card.is-entry {
  border-color: var(--gold);
  background: linear-gradient(180deg, var(--gold-soft) 0%, var(--cream) 78%);
  box-shadow: 0 0 0 2px rgba(201, 162, 74, 0.24), var(--shadow-md);
}
.page-products .pd-col-index {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}
.page-products .pd-col-card .tag {
  align-self: flex-start;
}
.page-products .pd-col-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-deep);
}
.page-products .pd-col-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}
.page-products .pd-col-meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 核对入口（深色面板） ---------- */
.page-products .pd-verify {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.page-products .pd-verify-lead {
  margin: 0 0 22px;
  max-width: 30em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.85);
}
.page-products .pd-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.page-products .pd-steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(247, 243, 234, 0.14);
}
.page-products .pd-steps li:first-child {
  border-top: 1px solid rgba(247, 243, 234, 0.14);
}
.page-products .pd-step-no {
  flex: 0 0 auto;
  margin-top: 3px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-products .pd-step-text {
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.92);
}
.page-products .pd-verify-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.62);
}
.page-products .pd-verify-figure {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--ink-mid);
}
.page-products .pd-verify-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.94;
}

/* ---------- 记录样式 ---------- */
.page-products .pd-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-products .pd-split-figure {
  margin: 0;
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--mist-soft);
}
.page-products .pd-split-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .pd-split-copy p {
  margin: 0 0 16px;
  max-width: 36em;
}
.page-products .pd-record-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-products .pd-record-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .pd-record-id {
  flex: 0 0 auto;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink-mid);
}
.page-products .pd-record-title {
  flex: 1 1 130px;
  min-width: 120px;
  font-size: 15px;
  color: var(--rock);
}
.page-products .pd-star {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  cursor: pointer;
  transition: background 220ms var(--ease), border-color 220ms var(--ease);
}
.page-products .pd-star:hover {
  background: var(--mist-soft);
  border-color: var(--mist-soft);
}
.page-products .pd-star svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: var(--mist);
  stroke-width: 1.7;
  stroke-linejoin: round;
  transition: fill 220ms var(--ease), stroke 220ms var(--ease);
}
.page-products .pd-star[aria-pressed="true"] svg {
  fill: var(--gold);
  stroke: var(--gold);
}
.page-products .pd-star:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 检索方式 ---------- */
.page-products .pd-modes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .pd-mode {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--cream);
  transition: border-color 260ms var(--ease), box-shadow 260ms var(--ease);
}
.page-products .pd-mode:hover {
  border-color: var(--mist);
  box-shadow: var(--shadow-sm);
}
.page-products .pd-mode-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: var(--radius-pill);
  background: var(--ink-deep);
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
}
.page-products .pd-mode-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink-deep);
}
.page-products .pd-mode p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
}
.page-products .pd-mode-when {
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--mist);
}

.page-products .pd-filter-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 26px;
  padding: 26px 22px;
  border-radius: var(--radius-panel);
  background: var(--mist-soft);
}
.page-products .pd-filter-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink-deep);
}
.page-products .pd-filter-copy p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}
.page-products .pd-filter-copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 收藏 ---------- */
.page-products .pd-fav-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-deep);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
}
.page-products .pd-fav-copy p {
  margin: 0 0 14px;
  max-width: 34em;
}
.page-products .pd-fav-copy p:last-child {
  margin-bottom: 0;
}
.page-products .pd-fav-diagram {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}
.page-products .pd-flow {
  width: 100%;
  height: auto;
  color: var(--mist);
}
.page-products .pd-fav-caption {
  margin: 0;
  text-align: center;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 阅读模式 ---------- */
.page-products .pd-reading-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-products .pd-reading-card {
  padding: 22px 20px;
  border-left: 3px solid var(--gold);
  border-radius: var(--pd-radius-sm);
  background: var(--cream);
  box-shadow: var(--shadow-sm);
}
.page-products .pd-reading-card:last-child {
  border-left-color: var(--clay);
}
.page-products .pd-reading-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink-deep);
}
.page-products .pd-reading-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 使用场景 ---------- */
.page-products .pd-scenarios {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}
.page-products .pd-scenario {
  padding: 22px 0 22px 26px;
  border-top: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: border-left-color 260ms var(--ease), padding-left 260ms var(--ease);
}
.page-products .pd-scenario:last-child {
  border-bottom: 1px solid var(--line);
}
.page-products .pd-scenario:hover {
  border-left-color: var(--gold);
  padding-left: 32px;
}
.page-products .pd-scenario-no {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.page-products .pd-scenario-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink-deep);
}
.page-products .pd-scenario p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 收尾 ---------- */
.page-products .pd-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.page-products .pd-cta-text {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.86);
}
.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}
.page-products .pd-cta-actions .btn-ghost.is-on-dark {
  color: var(--cream);
  border-color: rgba(247, 243, 234, 0.42);
}
.page-products .pd-cta-actions .btn-ghost.is-on-dark:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ---------- 锚点导航 ---------- */
.page-products .pd-rail-nav {
  padding-left: 16px;
  border-left: 2px solid var(--line);
}
.page-products .pd-rail-title {
  margin: 0 0 12px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-products .pd-rail-nav a {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.45;
  color: var(--rock);
  text-decoration: none;
  transition: color 200ms var(--ease), transform 200ms var(--ease);
}
.page-products .pd-rail-nav a:hover,
.page-products .pd-rail-nav a:focus-visible {
  color: var(--ink-deep);
  transform: translateX(3px);
}

/* ---------- 渐进增强 ---------- */
.page-products [data-reveal] {
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .page-products .pd-col-card:hover,
  .page-products .pd-scenario:hover {
    transform: none;
  }
}

/* ================= 平板 ================= */
@media (min-width: 640px) {
  .page-products .pd-hero {
    padding: 34px 0 64px;
  }
  .page-products .pd-cardstream {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-modes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-reading-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-verify {
    padding: 40px 34px;
  }
  .page-products .pd-filter-strip {
    padding: 32px 30px;
  }
  .page-products .pd-fav-wrap {
    padding: 36px 34px;
  }
}

/* ================= 桌面 ================= */
@media (min-width: 900px) {
  .page-products .pd-hero-inner {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    gap: 56px;
    align-items: center;
  }
  .page-products .pd-section {
    margin-bottom: var(--gap-mid);
  }
  .page-products .pd-section-last {
    padding-bottom: 96px;
  }
  .page-products .pd-verify {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 46px;
    align-items: center;
    padding: 48px 44px;
  }
  .page-products .pd-split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 44px;
    align-items: start;
  }
  .page-products .pd-split--reverse .pd-split-figure {
    order: 2;
  }
  .page-products .pd-filter-strip {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
    padding: 36px 38px;
  }
  .page-products .pd-fav-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
    padding: 44px 42px;
  }
  .page-products .pd-reading-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-cta {
    padding: 46px 46px 44px;
    align-items: flex-start;
  }
}

@media (min-width: 1120px) {
  .page-products .pd-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--pd-rail-w);
    column-gap: 56px;
    align-items: start;
  }
  .page-products .pd-rail {
    display: block;
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 112px;
  }
  .page-products .pd-main {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }
  .page-products .pd-cardstream {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ================= 窄屏兜底 ================= */
@media (max-width: 480px) {
  .page-products .pd-hero-panel {
    padding: 24px 20px 20px;
  }
  .page-products .pd-hero-actions .btn,
  .page-products .pd-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .page-products .pd-record-title {
    flex: 1 1 100%;
    order: 3;
  }
  .page-products .pd-star {
    margin-left: 0;
  }
  .page-products .pd-scenario {
    padding-left: 16px;
  }
  .page-products .pd-scenario:hover {
    padding-left: 16px;
  }
}