.page-products {
  --pp-line: rgba(18, 58, 82, 0.85);
  --pp-line-soft: rgba(159, 180, 192, 0.16);
  --pp-panel: rgba(10, 34, 51, 0.72);
  --pp-hot: rgba(255, 90, 46, 0.9);
  --pp-cyan-tint: rgba(47, 224, 208, 0.07);
  --pp-sand-tint: rgba(232, 214, 184, 0.5);
  padding-bottom: clamp(48px, 7vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumb {
  padding: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--fog);
}
.page-products .pp-crumb a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .pp-crumb a:hover,
.page-products .pp-crumb a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}
.page-products .pp-crumb__sep {
  color: var(--ink-500);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(28px, 4vw, 52px) 0 clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--pp-line);
}
.page-products .pp-hero h1 {
  margin: 14px 0 22px;
  font-size: clamp(32px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 18ch;
}
.page-products .pp-hero__lede {
  max-width: 40ch;
  color: var(--mist);
}
.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}
.page-products .pp-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 4vw, 46px) 0 0;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}
.page-products .pp-hero__stats .stat {
  display: block;
  background: var(--ink-900);
  padding: 18px 16px 20px;
  min-width: 0;
}
.page-products .pp-hero__stats .stat__num {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.01em;
}
.page-products .pp-hero__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 能力索引 ---------- */
.page-products .pp-toc {
  list-style: none;
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line-soft);
  border-top: 1px solid var(--pp-line-soft);
  border-bottom: 1px solid var(--pp-line-soft);
}
.page-products .pp-toc li {
  min-width: 0;
}
.page-products .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  background: var(--ink-900);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.page-products .pp-toc a .mono {
  font-size: 11px;
  color: var(--sand);
  letter-spacing: 0.08em;
}
.page-products .pp-toc a:hover,
.page-products .pp-toc a:focus-visible {
  background: var(--pp-cyan-tint);
  border-left-color: var(--cyan);
  color: var(--cyan-soft);
}

/* ---------- 展区通用 ---------- */
.page-products .pp-exhibit {
  padding: clamp(44px, 6vw, 78px) 0;
  border-bottom: 1px solid var(--pp-line-soft);
  scroll-margin-top: 120px;
}
.page-products .pp-exhibit:last-of-type {
  border-bottom: 0;
}
.page-products .pp-exhibit__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 8px;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--pp-line);
}
.page-products .pp-exhibit__idx {
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.06em;
}
.page-products .pp-exhibit__head h2 {
  margin: 0;
  font-size: clamp(22px, 3.1vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  min-width: 0;
}
.page-products .pp-exhibit__tag {
  grid-column: 2 / -1;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sand);
  font-family: var(--font-mono);
}

.page-products .pp-exhibit__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
}
.page-products .pp-exhibit__main {
  min-width: 0;
}
.page-products .pp-exhibit__main .prose {
  margin: 0 0 18px;
}
.page-products .pp-exhibit__main .prose:last-of-type {
  margin-bottom: 26px;
}

/* ---------- 操作说明牌 ---------- */
.page-products .pp-board {
  border: 1px solid var(--pp-line);
  border-top: 2px solid var(--sand);
  background: var(--pp-panel);
  padding: 20px 18px 18px;
  min-width: 0;
}
.page-products .pp-board__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--sand);
}
.page-products .pp-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .pp-board__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}
.page-products .pp-board__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}
.page-products .pp-board__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 12px;
  color: var(--fog);
  letter-spacing: 0.02em;
}

/* ---------- 图片 ---------- */
.page-products .pp-fig {
  margin: 6px 0 0;
}
.page-products .pp-fig .figure__frame {
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
  overflow: hidden;
}
.page-products .pp-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pp-fig--portrait {
  max-width: 420px;
}
.page-products .figure__cap {
  margin-top: 10px;
  font-size: 12px;
  color: var(--fog);
  line-height: 1.6;
}

/* ---------- 文件清单 ---------- */
.page-products .pp-files {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}
.page-products .pp-files__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pp-line-soft);
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}
.page-products .pp-files__row:hover {
  background: var(--pp-cyan-tint);
  padding-left: 10px;
}
.page-products .pp-files__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}
.page-products .pp-files__meta {
  font-size: 12px;
  color: var(--cyan);
  align-self: center;
  white-space: nowrap;
}
.page-products .pp-files__use {
  grid-column: 1 / -1;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 检索三维示意 ---------- */
.page-products .pp-dims {
  margin: 6px 0 0;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
  padding: 18px 16px 12px;
}
.page-products .pp-dims__svg {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: 0 auto;
}
.page-products .pp-dims__box {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1;
}
.page-products .pp-dims__txt {
  fill: var(--mist);
  font-size: 15px;
  font-family: var(--font-sans);
}
.page-products .pp-dims__wire {
  fill: none;
  stroke: rgba(159, 180, 192, 0.35);
  stroke-width: 1;
}
.page-products .pp-dims__wire--hot {
  stroke: var(--ember);
  stroke-width: 2;
}
.page-products .pp-dims__out {
  fill: rgba(255, 90, 46, 0.09);
  stroke: var(--ember);
  stroke-width: 1.5;
}
.page-products .pp-dims__out-num {
  fill: var(--ember);
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
}
.page-products .pp-dims__out-cap {
  fill: var(--fog);
  font-size: 12px;
  font-family: var(--font-mono);
}
.page-products .pp-dims__cap {
  margin: 14px 0 6px;
  text-align: center;
  font-size: 12px;
  color: var(--fog);
}

/* ---------- 跨端同步 ---------- */
.page-products .pp-exhibit--plain .pp-sync {
  max-width: 62ch;
}
.page-products .pp-sync .prose {
  margin: 0 0 18px;
}
.page-products .pp-sync__flow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding: 18px 16px;
  border: 1px solid var(--pp-line);
  background: var(--ink-800);
  flex-wrap: wrap;
}
.page-products .pp-sync__node {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
  padding: 5px 10px;
  border: 1px solid var(--pp-line);
}
.page-products .pp-sync__line {
  flex: 1 1 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(47, 224, 208, 0.15) 100%);
  min-width: 24px;
}
.page-products .pp-sync__dot {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(47, 224, 208, 0.7);
  flex: 0 0 auto;
}

/* ---------- 版本条目 ---------- */
.page-products .pp-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}
.page-products .pp-versions__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-line-soft);
  transition: background-color 0.2s ease;
}
.page-products .pp-versions__row:hover {
  background: var(--pp-cyan-tint);
}
.page-products .pp-versions__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-products .pp-versions__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}
.page-products .pp-versions__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
  max-width: 46ch;
}
.page-products .pp-versions__more {
  margin: 26px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog);
  max-width: 56ch;
}
.page-products .pp-versions__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, 0.4);
}
.page-products .pp-versions__more a:hover,
.page-products .pp-versions__more a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-products .pp-close {
  margin-top: clamp(44px, 6vw, 76px);
  padding: clamp(26px, 4vw, 42px) clamp(20px, 3vw, 36px);
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--ember);
  background: var(--ink-800);
}
.page-products .pp-close__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-products .pp-close__title {
  margin: 12px 0 16px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.24;
}
.page-products .pp-close__col .prose {
  margin: 0;
}
.page-products .pp-close__col .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, 0.4);
}
.page-products .pp-close__col .prose a:hover,
.page-products .pp-close__col .prose a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}
.page-products .pp-close__col .btn + .btn {
  margin-top: 10px;
}
.page-products .pp-close__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 键盘焦点 ---------- */
.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-products .pp-toc {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pp-versions__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
  .page-products .pp-close__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 40px;
    align-items: start;
  }
}

/* ---------- 桌面：主栏 + 说明牌 ---------- */
@media (min-width: 980px) {
  .page-products .pp-exhibit__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-products .pp-exhibit__body--flip {
    grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
  }
  .page-products .pp-exhibit__body--flip .pp-exhibit__main {
    order: 2;
  }
  .page-products .pp-exhibit__body--flip .pp-board {
    order: 1;
  }
  .page-products .pp-exhibit__body--flip .pp-fig--portrait {
    max-width: 100%;
  }
}

@media (min-width: 1280px) {
  .page-products .pp-fig--portrait {
    max-width: 380px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
</main>