.page-products {
  --pd-gap: 16px;
  --pd-band: var(--ink-800);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-products .shell {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-products .breadcrumb {
  padding-top: 20px;
  padding-bottom: 4px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: 24px 0 48px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 96px);
  opacity: 0.28;
  pointer-events: none;
}

.page-products .pd-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-products .pd-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 20ch;
}

.page-products .pd-hero__copy .lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  max-width: 42ch;
}

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

.page-products .pd-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 下载面板 ---------- */
.page-products .pd-download {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  background: var(--ink-700);
}

.page-products .pd-download__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .pd-download__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pd-os {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.page-products .pd-os .filter-btn {
  width: 100%;
  padding: 10px 8px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--muted);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 0;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-products .pd-os .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-products .pd-os .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

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

.page-products .pd-file {
  padding: 14px;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-products .pd-file__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-file__os {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pd-file__size {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-products .pd-file__spec {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-products .pd-file__spec > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.page-products .pd-file__spec dt {
  color: var(--muted);
}

.page-products .pd-file__spec dd {
  margin: 0;
  color: var(--paper);
}

.page-products .pd-download__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-download .btn {
  justify-self: start;
}

/* ---------- 章节通用 ---------- */
.page-products .section {
  padding-top: 48px;
  padding-bottom: 48px;
}

.page-products .section-head {
  margin-bottom: 24px;
}

.page-products .section-head__meta {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-products .section-title {
  margin: 0;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-split {
  display: grid;
  gap: 24px;
}

.page-products .pd-split__copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .pd-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-products .pd-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

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

.page-products .pd-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 界面导览 ---------- */
.page-products .pd-stage {
  background: var(--pd-band);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-stage__grid {
  display: grid;
  gap: 24px;
}

.page-products .pd-window {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  box-shadow: 0 28px 64px -36px rgba(0, 0, 0, 0.95);
}

.page-products .pd-window__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--ink-700);
}

.page-products .pd-window__dot {
  width: 8px;
  height: 8px;
  background: var(--line);
  flex: none;
}

.page-products .pd-window__label {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pd-window__screen {
  position: relative;
  line-height: 0;
}

.page-products .pd-window__screen img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-products .pd-hot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(0, 230, 195, 0.16);
}

.page-products .pd-cap {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-annot {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-annot__item {
  position: relative;
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-annot__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
}

.page-products .pd-annot__item strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 4px;
}

.page-products .pd-annot__item span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 赛程 / 回看 ---------- */
.page-products .pd-schedule {
  background: var(--ink-900);
}

.page-products .pd-replay {
  background: var(--pd-band);
  border-block: 1px solid var(--line);
}

/* ---------- 数据对照 ---------- */
.page-products .pd-data__lead {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  max-width: 60ch;
}

.page-products .pd-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.page-products .pd-table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--ink-700);
}

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

.page-products .pd-table tbody tr:hover td {
  background: rgba(0, 230, 195, 0.06);
}

.page-products .pd-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
}

.page-products .pd-table--versions td {
  white-space: normal;
  min-width: 90px;
  color: var(--paper);
}

.page-products .pd-table--versions td.mono {
  color: var(--cyan);
  font-family: var(--font-mono);
}

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

/* ---------- 显示与性能 ---------- */
.page-products .pd-display {
  background: var(--pd-band);
  border-block: 1px solid var(--line);
}

.page-products .pd-display__grid {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.page-products .pd-mode {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-products .pd-mode .card-title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pd-mode p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-metrics {
  display: grid;
  gap: 1px;
  margin: 0 0 16px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-metric {
  padding: 14px 16px;
  background: var(--ink-900);
}

.page-products .pd-metric dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-products .pd-metric dd {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

.page-products .pd-metric dd .mono {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  margin-right: 4px;
}

.page-products .pd-display__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

/* ---------- 安装步骤 ---------- */
.page-products .pd-install {
  background: var(--ink-900);
}

.page-products .pd-step {
  border: 1px solid var(--line);
  background: var(--ink-700);
  margin-bottom: 10px;
}

.page-products .pd-step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  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);
  font-size: 16px;
  color: var(--cyan);
}

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

.page-products .pd-step summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .pd-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 28px;
  height: 28px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

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

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

.page-products .pd-copy {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-products .pd-copy__label {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-copy .contact-row {
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.page-products .pd-copy .btn {
  justify-self: start;
}

/* ---------- 版本演进 ---------- */
.page-products .pd-versions {
  background: var(--pd-band);
  border-top: 1px solid var(--line);
}

.page-products .pd-versions__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--orange);
}

/* ---------- 结尾 ---------- */
.page-products .pd-cta {
  background: linear-gradient(120deg, var(--ink-800) 0%, var(--ink-700) 100%);
  border-top: 1px solid var(--line);
}

.page-products .pd-cta__inner {
  display: grid;
  gap: 20px;
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-cta__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 56ch;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 ---------- */
@media (min-width: 768px) {
  .page-products {
    --pd-gap: 24px;
  }

  .page-products .pd-hero {
    padding: 40px 0 64px;
  }

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

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

  .page-products .pd-stage__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }

  .page-products .pd-annot {
    border-top: 0;
  }

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

  .page-products .pd-annot__item:first-child::before {
    top: 8px;
  }

  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .pd-split--flip .pd-figure {
    order: -1;
  }

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

  .page-products .pd-stage__grid {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-products .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-os .filter-btn {
    transition: none;
  }
}
<<<END>>>