.page-products {
  --pd-rail-w: 300px;
  --pd-radius: 4px;
  padding-bottom: clamp(56px, 9vw, 110px);
  color: var(--paper-050);
}

.page-products .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 0 16px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--muted-400);
}

.page-products .breadcrumbs a {
  color: var(--muted-400);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

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

.page-products .breadcrumbs__sep {
  color: var(--line-700);
}

.page-products .breadcrumbs__item {
  color: var(--cyan-500);
}

/* ---------- 框景首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  border: var(--line);
  border-radius: 6px;
  overflow: hidden;
  background:
    radial-gradient(130% 150% at 86% 0%, rgba(47, 230, 196, .16), transparent 58%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-products .pd-hero__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: var(--line);
  background: rgba(18, 38, 31, .55);
  backdrop-filter: blur(14px) saturate(140%);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-products .pd-hero__barlabel {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  padding: clamp(26px, 4.4vw, 50px) clamp(18px, 3.4vw, 46px) clamp(28px, 4vw, 48px);
}

.page-products .pd-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 6.6vw, 66px);
  line-height: 1;
  letter-spacing: -.012em;
  color: var(--paper-050);
}

.page-products .pd-hero .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: rgba(242, 247, 245, .84);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pd-hero__panel {
  padding: 20px 20px 6px;
  border-radius: var(--pd-radius);
}

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

.page-products .pd-stat {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(31, 59, 51, .8);
}

.page-products .pd-stat:last-child {
  border-bottom: none;
  padding-bottom: 6px;
}

.page-products .pd-stat__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 25px;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cyan-500);
}

.page-products .pd-stat__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted-400);
}

/* ---------- 主次两栏 ---------- */

.page-products .pd-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 52px);
  margin-top: clamp(38px, 6vw, 74px);
}

.page-products .pd-main {
  display: grid;
  gap: clamp(42px, 6.5vw, 84px);
  min-width: 0;
}

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

.page-products .section-head {
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 30px);
  border-bottom: var(--line);
}

.page-products .section-head .eyebrow {
  color: var(--cyan-500);
  letter-spacing: .14em;
}

.page-products .section-title {
  margin: 8px 0 0;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(23px, 3.3vw, 33px);
  line-height: 1.26;
  color: var(--paper-050);
}

.page-products .pd-sec p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(242, 247, 245, .84);
}

.page-products .pd-sec p:last-child {
  margin-bottom: 0;
}

.page-products .pd-sec a {
  color: var(--cyan-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 196, .45);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-products .pd-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .pd-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .pd-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 247, 245, .84);
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 2px;
  background: var(--cyan-500);
}

/* ---------- 媒体框 ---------- */

.page-products .media-frame {
  position: relative;
  margin: 0;
  border: var(--line);
  border-radius: var(--pd-radius);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-products .media-frame figcaption {
  padding: 10px 14px;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted-400);
}

.page-products .pd-split .media-frame {
  margin-top: 4px;
}

/* ---------- 升级条目 ---------- */

.page-products .pd-upgrades {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.page-products .pd-upgrade {
  padding: 17px 18px 18px;
  border: var(--line);
  border-left: 2px solid var(--cyan-500);
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(18, 38, 31, .78), rgba(10, 26, 22, .78));
}

.page-products .pd-upgrade:nth-child(2) {
  border-left-color: var(--amber-600);
}

.page-products .pd-upgrade h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-products .pd-upgrade p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted-400);
}

/* ---------- 版本对比表 ---------- */

.page-products .pd-table-wrap {
  border: var(--line);
  border-radius: var(--pd-radius);
  background: var(--ink-900);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .pd-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 14px 16px;
  text-align: left;
  border-bottom: var(--line);
  background: rgba(18, 38, 31, .92);
  backdrop-filter: blur(14px) saturate(140%);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-400);
}

.page-products .pd-table thead th:nth-child(3) {
  color: var(--cyan-500);
}

.page-products .pd-table tbody th {
  padding: 15px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--paper-050);
  border-bottom: 1px solid rgba(31, 59, 51, .75);
  border-left: 2px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .pd-table tbody td {
  padding: 15px 16px;
  vertical-align: top;
  line-height: 1.68;
  color: var(--muted-400);
  border-bottom: 1px solid rgba(31, 59, 51, .75);
  transition: color 180ms var(--ease);
}

.page-products .pd-table tbody td:nth-child(3) {
  color: rgba(140, 255, 228, .92);
}

.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .pd-table tbody tr:hover th {
  border-left-color: var(--cyan-500);
  color: var(--cyan-300);
}

.page-products .pd-table tbody tr:hover td {
  color: rgba(242, 247, 245, .9);
}

/* ---------- 数据字段与专栏 ---------- */

.page-products .pd-sortlist {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  display: grid;
  gap: 1px;
  border: var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--line-700);
}

.page-products .pd-sortlist li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 15px;
  background: var(--ink-900);
  transition: background-color 180ms var(--ease);
}

.page-products .pd-sortlist li:hover {
  background: var(--ink-800);
}

.page-products .pd-sortlist__key {
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-500);
  letter-spacing: -.01em;
}

.page-products .pd-sortlist__desc {
  font-size: 14px;
  line-height: 1.68;
  color: rgba(242, 247, 245, .8);
}

/* ---------- 屏幕适配与场合 ---------- */

.page-products .pd-fit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-products .pd-fit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--line-700);
}

.page-products .pd-fit__list li {
  padding: 15px 16px 16px;
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-products .pd-fit__list .mono {
  display: inline-block;
  margin-bottom: 7px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--amber-400);
}

.page-products .pd-fit__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 247, 245, .8);
}

.page-products .pd-occasions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(22px, 3.6vw, 38px);
  align-items: start;
}

.page-products .pd-occasions__cards {
  display: grid;
  gap: 12px;
}

.page-products .pd-occasion {
  padding: 15px 16px 16px;
  border: var(--line);
  border-radius: 3px;
  background: rgba(18, 38, 31, .55);
}

.page-products .pd-occasion h3 {
  margin: 0 0 7px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15.5px;
  color: var(--cyan-300);
}

.page-products .pd-occasion p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 247, 245, .78);
}

/* ---------- 三步上手 ---------- */

.page-products .pd-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  position: relative;
}

.page-products .pd-track__step {
  position: relative;
  padding: 0 0 0 50px;
}

.page-products .pd-track__num {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--cyan-500);
  border-radius: 50%;
  background: var(--ink-950);
  color: var(--cyan-500);
  font-size: 13px;
  font-weight: 600;
}

.page-products .pd-track__step h3 {
  margin: 6px 0 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--paper-050);
}

.page-products .pd-track__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 247, 245, .8);
}

.page-products .pd-start__note {
  margin-top: clamp(22px, 3.4vw, 32px);
  padding: 15px 18px;
  border: var(--line);
  border-radius: 3px;
  background: rgba(255, 95, 46, .07);
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 247, 245, .84);
}

/* ---------- 右侧常驻栏 ---------- */

.page-products .pd-rail {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-products .pd-device {
  padding: 20px;
  border-radius: var(--pd-radius);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-products .pd-rail__title {
  margin: 8px 0 12px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-products .pd-device__svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 4px 0 16px;
}

.page-products .pd-device__svg .pd-screen {
  fill: none;
  stroke: var(--cyan-500);
  stroke-width: 1.4;
}

.page-products .pd-device__svg .pd-axis {
  stroke: var(--line-700);
  stroke-width: 1;
}

.page-products .pd-device__svg text {
  fill: var(--muted-400);
  font-family: var(--font-mono);
  font-size: 8px;
  text-anchor: middle;
}

.page-products .pd-device__note,
.page-products .pd-rail__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted-400);
}

.page-products .pd-rail__card {
  padding: 20px;
  border-radius: var(--pd-radius);
}

.page-products .pd-rail__card .btn {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-products .pd-upgrades {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-products .pd-split--reverse {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }

  .page-products .pd-occasions {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pd-fit {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (min-width: 800px) {
  .page-products .pd-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .pd-track::before {
    content: "";
    position: absolute;
    left: 4px;
    right: 8px;
    top: 17px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan-500), rgba(47, 230, 196, .1));
  }

  .page-products .pd-track__step {
    padding: 52px 22px 0 0;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 1040px) {
  .page-products .pd-stage {
    grid-template-columns: minmax(0, 1fr) var(--pd-rail-w);
    gap: clamp(30px, 3.6vw, 52px);
  }

  .page-products .pd-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-products .pd-sec:nth-child(even) {
    padding-left: clamp(0px, 2.4vw, 30px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-table tbody th,
  .page-products .pd-table tbody td,
  .page-products .pd-sortlist li,
  .page-products .breadcrumbs a,
  .page-products .pd-sec a {
    transition: none;
  }
}
</final>