.page-products {
  --pd-cut: 16px;
  --pd-cut-sm: 10px;
  --pd-card-pad: clamp(16px, 2.4vw, 26px);
  color: var(--text);
  overflow-x: hidden;
}

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

.page-products .pd-kicker {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 700;
}

.page-products p {
  line-height: 1.75;
}

.page-products .pd-section-lede {
  margin: 14px 0 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: 15px;
}

.page-products .pd-fineprint {
  margin: 18px 0 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 72ch;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 80px);
  background:
    radial-gradient(900px 520px at 88% -12%, rgba(34, 224, 240, 0.16), transparent 68%),
    radial-gradient(700px 420px at 4% 110%, rgba(255, 180, 58, 0.08), transparent 70%);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(255, 180, 58, 0.7), transparent);
  opacity: 0.7;
}

.page-products .pd-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-products .pd-hero-copy h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 5.2vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pd-lede {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--muted);
}

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

.page-products .pd-stats {
  list-style: none;
  margin: 32px 0 0;
  padding: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pd-stats .data-figure {
  font-size: 26px;
  line-height: 1;
}

.page-products .pd-stat-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- 导航演示板 ---------- */
.page-products .pd-demo {
  position: relative;
  padding: var(--pd-card-pad);
  border: 1px solid var(--line);
  background-color: rgba(11, 31, 58, 0.86);
  background-image:
    radial-gradient(400px 220px at 100% 0%, rgba(34, 224, 240, 0.14), transparent 70%),
    linear-gradient(rgba(34, 224, 240, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 224, 240, 0.055) 1px, transparent 1px);
  background-size: auto, 26px 26px, 26px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
}

.page-products .pd-demo-tag {
  margin: 0 0 16px;
  color: var(--cyan-soft);
}

.page-products .pd-demo-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-products .pd-demo-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .pd-demo-tab {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  background: rgba(18, 50, 79, 0.6);
  border: 1px solid var(--line-soft);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pd-demo-tab:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-products #pd-demo-1:checked ~ .pd-demo-tabs label[for="pd-demo-1"],
.page-products #pd-demo-2:checked ~ .pd-demo-tabs label[for="pd-demo-2"],
.page-products #pd-demo-3:checked ~ .pd-demo-tabs label[for="pd-demo-3"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products #pd-demo-1:focus-visible ~ .pd-demo-tabs label[for="pd-demo-1"],
.page-products #pd-demo-2:focus-visible ~ .pd-demo-tabs label[for="pd-demo-2"],
.page-products #pd-demo-3:focus-visible ~ .pd-demo-tabs label[for="pd-demo-3"] {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-products .pd-demo-stage {
  position: relative;
  min-height: 178px;
}

.page-products .pd-path {
  display: none;
}

.page-products #pd-demo-1:checked ~ .pd-demo-stage .pd-path--1,
.page-products #pd-demo-2:checked ~ .pd-demo-stage .pd-path--2,
.page-products #pd-demo-3:checked ~ .pd-demo-stage .pd-path--3 {
  display: block;
}

.page-products .pd-path-crumb {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
  word-break: break-word;
}

.page-products .pd-path-crumb span {
  color: var(--line);
  margin: 0 4px;
}

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

.page-products .pd-path-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(39, 86, 127, 0.65);
}

.page-products .pd-path-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .pd-path-txt {
  font-size: 14px;
  color: var(--text);
}

.page-products .pd-path-note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 横幅图 ---------- */
.page-products .pd-band {
  padding-block: clamp(28px, 4vw, 52px) 0;
}

.page-products .pd-band-frame {
  margin: 0;
}

/* ---------- 通用表格 ---------- */
.page-products .pd-table-wrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.82), rgba(5, 13, 26, 0.72));
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  background: rgba(18, 50, 79, 0.9);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(18, 50, 79, 0.38);
}

.page-products .pd-table tbody th {
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.page-products .pd-table tbody td {
  color: var(--muted);
}

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

/* ---------- 01 本章 ---------- */
.page-products .pd-round {
  background: linear-gradient(180deg, var(--ink-800), rgba(5, 13, 26, 0.2));
}

/* ---------- 02 路径步骤 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .pd-step {
  position: relative;
  padding: 20px 18px 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  background: rgba(11, 31, 58, 0.55);
}

.page-products .pd-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 10px;
}

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

.page-products .pd-route-note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  color: var(--muted);
  max-width: 66ch;
}

/* ---------- 03 前瞻版面 ---------- */
.page-products .pd-brief {
  background:
    linear-gradient(200deg, rgba(18, 50, 79, 0.75), rgba(5, 13, 26, 0.9) 62%),
    var(--ink-900);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-brief-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-brief-copy p {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  color: var(--muted);
}

.page-products .pd-adv-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

.page-products .pd-adv-label {
  display: inline-block;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-products .pd-adv-label:hover {
  background: rgba(34, 224, 240, 0.12);
}

.page-products #pd-adv-toggle:focus-visible ~ .pd-brief-grid .pd-adv-label {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-products #pd-adv-toggle:checked ~ .pd-brief-grid .pd-adv-label {
  background: var(--cyan);
  color: var(--ink-900);
}

.page-products .pd-row--adv {
  display: none;
}

.page-products #pd-adv-toggle:checked ~ .pd-brief-grid .pd-row--adv {
  display: table-row;
}

.page-products .pd-venue-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: rgba(5, 13, 26, 0.6);
  padding: 10px;
}

.page-products .pd-venue-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.05);
}

.page-products .pd-venue-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

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

.page-products .pd-player-frame {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(11, 31, 58, 0.7);
  padding: 10px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut-sm)), calc(100% - var(--pd-cut-sm)) 100%, 0 100%);
}

.page-products .pd-player-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-products .pd-player-frame figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.page-products .pd-table-wrap--compare {
  margin-top: 0;
}

/* ---------- 04 提醒 ---------- */
.page-products .pd-alert {
  background: radial-gradient(700px 380px at 88% 8%, rgba(255, 180, 58, 0.1), transparent 70%);
}

.page-products .pd-alert-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  margin-top: 28px;
  align-items: start;
}

.page-products .pd-device-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(11, 31, 58, 0.72);
  padding: 10px;
}

.page-products .pd-device-figure img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  object-position: top center;
}

.page-products .pd-device-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

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

.page-products .pd-glass {
  padding: 18px 20px;
  background: linear-gradient(150deg, rgba(34, 224, 240, 0.11), rgba(18, 50, 79, 0.78));
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  backdrop-filter: blur(6px);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pd-glass:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-products .pd-glass h3 {
  margin-bottom: 6px;
  font-size: 16px;
  color: var(--cyan-soft);
}

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

.page-products .pd-tiers {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-products .pd-tier {
  position: relative;
  padding-top: 28px;
  display: grid;
  gap: 6px;
}

.page-products .pd-tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(255, 180, 58, 0.14);
}

.page-products .pd-tier-time {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-products .pd-tier-note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

/* ---------- 05 双端 ---------- */
.page-products .pd-device-band {
  margin: 28px 0 0;
}

.page-products .pd-device-cols {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-products .pd-device-col {
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  background: rgba(11, 31, 58, 0.5);
}

.page-products .pd-device-col h3 {
  color: var(--cyan-soft);
  font-size: 16px;
}

.page-products .pd-device-flow {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .pd-device-flow li::marker {
  font-family: var(--font-mono);
  color: var(--amber);
}

/* ---------- 06 迁移 ---------- */
.page-products .pd-migrate {
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.9), rgba(5, 13, 26, 0.6));
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-compare {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products .pd-compare-col {
  padding: 20px 18px;
  border: 1px solid var(--line);
}

.page-products .pd-compare-col--old {
  background: rgba(18, 50, 79, 0.42);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pd-cut) 100%, 0 calc(100% - var(--pd-cut)));
}

.page-products .pd-compare-col--new {
  background: linear-gradient(160deg, rgba(34, 224, 240, 0.14), rgba(18, 50, 79, 0.72));
  border-color: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
}

.page-products .pd-compare-col .annotation {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-products .pd-compare-col--new .annotation {
  color: var(--amber);
}

.page-products .pd-compare-col h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.page-products .pd-compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.page-products .pd-compare-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(39, 86, 127, 0.55);
}

.page-products .pd-compare-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pd-compare-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pd-compare-col--new .pd-compare-key {
  color: var(--amber);
}

.page-products .pd-migrate-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-migrate-steps li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: rgba(5, 13, 26, 0.55);
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-products .pd-migrate-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

/* ---------- 收尾 ---------- */
.page-products .pd-next {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-products .pd-next-inner {
  display: grid;
  gap: 26px;
  padding: clamp(22px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  background:
    radial-gradient(520px 260px at 0% 0%, rgba(34, 224, 240, 0.14), transparent 70%),
    rgba(11, 31, 58, 0.7);
}

.page-products .pd-next-copy .annotation {
  margin: 0 0 10px;
  color: var(--amber);
}

.page-products .pd-next-copy h2 {
  margin-top: 0;
}

.page-products .pd-next-copy p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 14px;
  color: var(--muted);
}

.page-products .pd-next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pd-next-links li {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-next-links li:last-child {
  border-bottom: 0;
}

.page-products .pd-next-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 4px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-products .pd-next-links a::before {
  content: "›";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 16px;
  line-height: 1;
}

.page-products .pd-next-links a:hover {
  color: var(--cyan-soft);
  padding-left: 10px;
}

.page-products .pd-next-links a:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pd-device-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--line-soft);
    background: rgba(11, 31, 58, 0.4);
  }

  .page-products .pd-step {
    border: 0;
    border-top: 2px solid var(--cyan);
    background: transparent;
  }

  .page-products .pd-step + .pd-step {
    border-left: 1px solid var(--line-soft);
  }

  .page-products .pd-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    padding-top: 22px;
    position: relative;
  }

  .page-products .pd-tiers::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 4px;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), var(--amber));
    opacity: 0.75;
  }

  .page-products .pd-tier {
    padding-top: 26px;
  }

  .page-products .pd-tier::before {
    top: -2px;
  }

  .page-products .pd-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    align-items: stretch;
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: start;
  }

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

  .page-products .pd-alert-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  }

  .page-products .pd-device-figure img {
    max-height: 520px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-glass:hover {
    transform: none;
  }

  .page-products .pd-next-links a:hover {
    padding-left: 4px;
  }
}
<<<END>>>