.page-products {
  --pd-line: rgba(143, 167, 156, 0.24);
  --pd-line-soft: rgba(143, 167, 156, 0.14);
  --pd-panel: rgba(18, 48, 42, 0.55);
  --pd-shadow: 6px 6px 0 rgba(6, 18, 15, 0.55);
  --pd-body-text: rgba(247, 244, 236, 0.86);
  padding: 0 0 72px;
  color: var(--lb-fog);
}

.page-products .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--lb-ash);
}

.page-products .crumb a {
  color: var(--lb-ash);
  text-decoration: none;
  transition: color 160ms ease-out;
}

.page-products .crumb a:hover,
.page-products .crumb a:focus-visible {
  color: var(--lb-lime);
}

.page-products .crumb__sep {
  color: rgba(143, 167, 156, 0.6);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 16px 0 40px;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 28px;
}

.page-products .pd-hero h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 86px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--lb-fog);
}

.page-products .pd-hero .lead {
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pd-body-text);
}

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

.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  align-self: start;
  border: 1px solid var(--pd-line);
  background: var(--pd-line);
}

.page-products .pd-stat {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  background: var(--lb-stand);
  border-left: 3px solid transparent;
}

.page-products .pd-stat--orange {
  border-left-color: var(--lb-orange);
}

.page-products .pd-stat__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lb-ash);
}

.page-products .pd-stat__value {
  font-size: 21px;
  line-height: 1.2;
  color: var(--lb-lime);
}

.page-products .pd-stat--orange .pd-stat__value {
  color: var(--lb-orange);
}

/* ---------- 外壳 ---------- */
.page-products .pd-shell {
  display: grid;
  gap: 32px;
}

.page-products .pd-rail {
  padding: 16px 14px;
  border: 1px solid var(--pd-line);
  background: rgba(6, 18, 15, 0.42);
}

.page-products .pd-rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lb-ash);
}

.page-products .pd-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-rail__link {
  display: flex;
  gap: 8px;
  align-items: baseline;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--pd-line);
  font-size: 13px;
  color: var(--lb-fog);
  text-decoration: none;
  transition: border-color 180ms ease-out, background-color 180ms ease-out;
}

.page-products .pd-rail__link:hover,
.page-products .pd-rail__link:focus-visible {
  border-color: var(--lb-lime);
  background: rgba(198, 242, 74, 0.08);
}

.page-products .pd-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lb-lime);
}

.page-products .pd-rail__legend {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--pd-line-soft);
}

.page-products .pd-rail__ticks {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  line-height: 1.5;
  color: var(--lb-ash);
}

.page-products .pd-rail__ticks li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.page-products .pd-tick {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 4px;
}

.page-products .pd-tick--a { background: var(--lb-orange); }
.page-products .pd-tick--b { background: var(--lb-lime); }
.page-products .pd-tick--c { background: var(--lb-lime-soft); }

/* ---------- 区块骨架 ---------- */
.page-products .pd-section {
  padding: 34px 0;
  border-top: 1px solid var(--pd-line-soft);
}

.page-products .pd-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pd-section__head {
  max-width: 64ch;
  margin-bottom: 24px;
}

.page-products .pd-section h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--lb-fog);
}

.page-products .pd-section h3 {
  margin: 12px 0 12px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--lb-fog);
}

.page-products .pd-section .note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--lb-ash);
}

/* ---------- 两条路径 ---------- */
.page-products .pd-paths {
  display: grid;
  gap: 18px;
}

.page-products .pd-gate {
  padding: 20px;
  border: 1px solid var(--pd-line);
  background: var(--pd-panel);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-gate--lime {
  border-color: rgba(198, 242, 74, 0.42);
}

.page-products .pd-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pd-body-text);
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--lb-lime);
}

.page-products .pd-gate__fit {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pd-line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--lb-orange);
}

.page-products .pd-paths__media {
  align-self: start;
}

/* ---------- 图片容器 ---------- */
.page-products .media {
  margin: 0;
  border: 1px solid var(--pd-line);
  background: rgba(6, 18, 15, 0.45);
  overflow: hidden;
}

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

.page-products .media__cap {
  padding: 10px 12px;
  border-top: 1px solid var(--pd-line-soft);
  font-size: 13px;
  line-height: 1.5;
  color: var(--lb-ash);
}

/* ---------- 版本对比表 ---------- */
.page-products .pd-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--pd-line);
  background: rgba(6, 18, 15, 0.36);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table__cap {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lb-ash);
  border-bottom: 1px solid var(--pd-line);
}

.page-products .pd-table thead th {
  position: sticky;
  top: 0;
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--lb-lime);
  background: var(--lb-black);
  border-bottom: 1px solid var(--pd-line);
}

.page-products .pd-table thead th:first-child {
  color: var(--lb-ash);
}

.page-products .pd-table tbody th {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--lb-fog);
  white-space: nowrap;
}

.page-products .pd-table tbody td {
  padding: 13px 16px;
  line-height: 1.65;
  color: var(--pd-body-text);
  border-bottom: 1px solid rgba(143, 167, 156, 0.12);
}

.page-products .pd-table tbody tr:nth-child(odd) {
  background: rgba(18, 48, 42, 0.38);
}

.page-products .pd-table tbody tr:last-child td,
.page-products .pd-table tbody tr:last-child th {
  border-bottom: 0;
}

.page-products .pd-table tbody td:last-child {
  color: var(--lb-lime-soft);
}

.page-products .pd-compare__figure {
  margin-top: 20px;
}

/* ---------- 适配矩阵 ---------- */
.page-products .pd-devices__figure {
  margin-bottom: 22px;
}

.page-products .pd-matrix {
  display: grid;
  gap: 14px;
}

.page-products .pd-band {
  padding: 18px 16px;
  border: 1px solid var(--pd-line);
  border-top: 3px solid var(--lb-orange);
  background: rgba(18, 48, 42, 0.42);
}

.page-products .pd-band--b { border-top-color: var(--lb-lime); }
.page-products .pd-band--c { border-top-color: var(--lb-lime-soft); }

.page-products .pd-band__size {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--lb-orange);
}

.page-products .pd-band--b .pd-band__size { color: var(--lb-lime); }
.page-products .pd-band--c .pd-band__size { color: var(--lb-lime-soft); }

.page-products .pd-band h3 {
  margin: 8px 0 14px;
  font-size: 20px;
}

.page-products .pd-band__spec {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 8px 10px;
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.page-products .pd-band__spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--lb-ash);
  padding-top: 3px;
}

.page-products .pd-band__spec dd {
  margin: 0;
  color: var(--pd-body-text);
}

/* ---------- 步骤 ---------- */
.page-products .pd-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pd-step {
  position: relative;
  border: 1px solid var(--pd-line);
  background: rgba(18, 48, 42, 0.5);
}

.page-products .pd-step summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  min-height: 44px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .pd-step summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--lb-lime);
}

.page-products .pd-step[open] summary::after {
  content: "–";
}

.page-products .pd-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lb-orange);
}

.page-products .pd-step__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--lb-fog);
}

.page-products .pd-step__body {
  padding: 0 16px 18px;
}

.page-products .pd-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pd-body-text);
}

.page-products .pd-steps__figure {
  margin-top: 22px;
}

.page-products .pd-steps__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 18px;
}

.page-products .pd-steps__foot .note {
  margin: 0;
}

/* ---------- 排查 ---------- */
.page-products .pd-faq {
  display: grid;
  gap: 12px;
}

.page-products .pd-faq__item {
  border: 1px solid var(--pd-line);
  background: rgba(6, 18, 15, 0.35);
}

.page-products .pd-faq__item summary {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--lb-fog);
}

.page-products .pd-faq__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-faq__item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--lb-lime);
}

.page-products .pd-faq__item[open] summary::after {
  content: "–";
}

.page-products .pd-faq__item p {
  margin: 0;
  padding: 0 16px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pd-body-text);
}

.page-products .pd-faq__item[open] {
  border-color: rgba(198, 242, 74, 0.4);
}

/* ---------- 更新记录 ---------- */
.page-products .pd-log {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 2px solid rgba(198, 242, 74, 0.32);
}

.page-products .pd-log li {
  position: relative;
}

.page-products .pd-log li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 5px;
  width: 10px;
  height: 10px;
  background: var(--lb-deep);
  border: 2px solid var(--lb-lime);
}

.page-products .pd-log__head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  margin: 0 0 6px;
}

.page-products .pd-log__ver {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--lb-lime);
}

.page-products .pd-log__tag {
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lb-ink);
  background: var(--lb-orange);
}

.page-products .pd-log__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pd-body-text);
}

/* ---------- 收尾 ---------- */
.page-products .pd-outro {
  display: grid;
  margin-top: 30px;
  border: 1px solid var(--pd-line);
  background: linear-gradient(140deg, rgba(18, 48, 42, 0.92), rgba(6, 18, 15, 0.92));
}

.page-products .pd-outro__body {
  padding: 26px 20px;
}

.page-products .pd-outro h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lb-fog);
}

.page-products .pd-outro p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pd-body-text);
}

.page-products .pd-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 16px;
}

.page-products .pd-outro .note {
  font-size: 13px;
  color: var(--lb-ash);
}

.page-products .pd-outro .note a {
  color: var(--lb-lime);
  text-decoration: none;
}

.page-products .pd-outro .note a:hover,
.page-products .pd-outro .note a:focus-visible {
  text-decoration: underline;
}

.page-products .pd-outro__media {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--pd-line);
}

.page-products .pd-outro__media .media__img {
  height: 100%;
  max-height: 320px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .pd-hero {
    padding: 24px 0 48px;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 48px;
    align-items: end;
  }

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

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

  .page-products .pd-paths__media {
    grid-column: 1 / -1;
  }

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

  .page-products .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pd-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -18px;
    width: 18px;
    height: 2px;
    background: var(--lb-orange);
    opacity: 0.65;
  }

  .page-products .pd-outro {
    grid-template-columns: minmax(0, 1fr) 300px;
  }

  .page-products .pd-outro__media {
    border-top: 0;
    border-left: 1px solid var(--pd-line);
  }

  .page-products .pd-outro__media .media__img {
    max-height: none;
  }
}

@media (min-width: 1000px) {
  .page-products .pd-shell {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: calc(var(--strip-h) + 20px);
  }

  .page-products .pd-rail__list {
    display: block;
    margin-top: 14px;
  }

  .page-products .pd-rail__link {
    display: flex;
    gap: 10px;
    padding: 11px 12px;
    border: 0;
    border-left: 2px solid transparent;
    font-size: 14px;
  }

  .page-products .pd-rail__link:hover,
  .page-products .pd-rail__link:focus-visible {
    border-left-color: var(--lb-lime);
    background: rgba(198, 242, 74, 0.07);
  }

  .page-products .pd-hero {
    padding: 30px 0 56px;
  }
}

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