.page-products {
  --pd-rail: 224px;
  --pd-gap: 28px;
  display: block;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

.page-products *,
.page-products *::before,
.page-products *::after { box-sizing: border-box; }

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.24;
}

.page-products p { margin: 0; }
.page-products ul,
.page-products ol { margin: 0; padding: 0; list-style: none; }
.page-products img { display: block; max-width: 100%; height: auto; }
.page-products a { color: var(--aurora); text-decoration: none; }
.page-products a:hover { text-decoration: underline; }

/* ---------- 首屏：主题声明 + 索引带 ---------- */
.page-products .pd-banner {
  position: relative;
  padding: 26px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 320px at 88% -14%, rgba(53, 224, 208, 0.17), transparent 62%),
    radial-gradient(680px 300px at 2% 108%, rgba(123, 92, 255, 0.15), transparent 66%),
    linear-gradient(180deg, var(--nebula) 0%, var(--ink) 90%);
}

.page-products .pd-banner::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: 14px;
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--aurora));
  transform: rotate(-18deg);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .pd-crumb { margin-bottom: 26px; }
.page-products .pd-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
}
.page-products .pd-crumb li { display: flex; align-items: center; gap: 8px; }
.page-products .pd-crumb li + li::before { content: "→"; color: var(--line); font-size: 11px; }
.page-products .pd-crumb a { color: var(--muted); }
.page-products .pd-crumb a:hover { color: var(--aurora); text-decoration: none; }

.page-products .pd-kicker {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--aurora);
  background: var(--aurora-wash);
  border-left: 2px solid var(--aurora);
}

.page-products .pd-banner h1 {
  max-width: 17em;
  margin-bottom: 18px;
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
}

.page-products .pd-lead {
  max-width: 64ch;
  margin-bottom: 34px;
  font-size: 16px;
  color: var(--muted);
}

.page-products .pd-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-products .pd-deck-item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 16px 18px;
  background: rgba(26, 34, 51, 0.72);
  border-left: 2px solid var(--line);
}
.page-products .pd-deck-no {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--aurora);
}
.page-products .pd-deck-t {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.page-products .pd-deck-d {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 主体骨架：粘性目录 + 内容流 ---------- */
.page-products .pd-layout {
  display: block;
  padding-top: 30px;
}

.page-products .pd-rail { margin-bottom: 22px; }

.page-products .pd-toc {
  padding: 14px 16px;
  background: var(--stone);
  border: 1px solid var(--line);
  border-top: 2px solid var(--aurora);
}
.page-products .pd-toc-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.page-products .pd-toc-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  -webkit-overflow-scrolling: touch;
}
.page-products .pd-toc-list li { flex: 0 0 auto; }
.page-products .pd-toc-link {
  display: block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--muted);
  background: var(--nebula);
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-products .pd-toc-link:hover { color: var(--aurora); border-color: var(--aurora); text-decoration: none; }
.page-products .pd-toc-link.is-active {
  color: var(--ink);
  background: var(--aurora);
  border-color: var(--aurora);
}

/* ---------- 区块通用 ---------- */
.page-products .pd-stream { min-width: 0; }

.page-products .pd-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}
.page-products .pd-stream > .pd-block:first-child { border-top: 0; padding-top: 10px; }

.page-products .pd-head { margin-bottom: 26px; }
.page-products .pd-head-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--aurora);
}
.page-products .pd-head-no::after {
  content: "";
  display: inline-block;
  width: 46px;
  height: 1px;
  margin-left: 12px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--aurora), transparent);
}
.page-products .pd-head h2 {
  max-width: 24em;
  margin-bottom: 12px;
  font-size: 23px;
  font-weight: 800;
}
.page-products .pd-head-p {
  max-width: 62ch;
  font-size: 15px;
  color: var(--muted);
}

.page-products .pd-figure {
  margin: 0 0 26px;
  background: var(--nebula);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  overflow: hidden;
}
.page-products .pd-figure img { width: 100%; object-fit: cover; }
.page-products .pd-figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 01 三条分支 ---------- */
.page-products .pd-branches {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .pd-branch {
  position: relative;
  padding: 24px 20px 20px;
  background: var(--stone);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.page-products .pd-branch::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--aurora);
}
.page-products .pd-branch-no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--aurora);
}
.page-products .pd-branch h3 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 700;
}
.page-products .pd-branch p {
  font-size: 14.5px;
  color: var(--muted);
}
.page-products .pd-details {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.page-products .pd-details summary {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--aurora);
  cursor: pointer;
  list-style: none;
}
.page-products .pd-details summary::-webkit-details-marker { display: none; }
.page-products .pd-details summary::after { content: " +"; }
.page-products .pd-details[open] summary::after { content: " −"; }
.page-products .pd-details p { margin-top: 12px; }

/* ---------- 02 版本对照 ---------- */
.page-products .pd-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  margin-bottom: 20px;
  background: var(--stone);
  border: 1px solid var(--line);
}
.page-products .pd-tab {
  appearance: none;
  border: 0;
  padding: 9px 18px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}
.page-products .pd-tab:hover { color: var(--text); }
.page-products .pd-tab[aria-selected="true"] {
  background: var(--aurora-wash);
  color: var(--aurora);
}
.page-products .pd-tab[data-tab="beta"][aria-selected="true"] {
  background: var(--violet-wash);
  color: var(--violet);
}

.page-products .pd-panel {
  padding: 24px 20px;
  background: var(--nebula);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.page-products .pd-panel[hidden] { display: none; }
.page-products .pd-panel--beta { border-color: var(--violet); }

.page-products .pd-panel-flag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--violet);
  background: var(--violet-wash);
  border-left: 2px solid var(--violet);
}

.page-products .pd-spec { margin: 0; }
.page-products .pd-spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .pd-spec-row:last-child { padding-bottom: 0; border-bottom: 0; }
.page-products .pd-spec dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aurora);
}
.page-products .pd-panel--beta .pd-spec dt { color: var(--violet); }
.page-products .pd-spec dd { margin: 0; font-size: 14.5px; color: var(--text); }

.page-products .pd-copybar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--stone);
  border-left: 2px solid var(--violet);
}
.page-products .pd-copybar-src {
  flex: 1 1 260px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
}
.page-products .pd-copy {
  appearance: none;
  cursor: pointer;
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--aurora);
  background: transparent;
  border: 1px solid var(--aurora);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}
.page-products .pd-copy:hover { background: var(--aurora); color: var(--ink); }
.page-products .pd-copy.is-copied { background: var(--pass); border-color: var(--pass); color: var(--ink); }

/* ---------- 03 适配清单 ---------- */
.page-products .pd-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.page-products .pd-filter-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.page-products .pd-filter {
  width: 100%;
  margin-bottom: 16px;
  padding: 12px 15px;
  background: var(--stone);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.18s var(--ease);
}
.page-products .pd-filter::placeholder { color: var(--muted); opacity: 0.72; }
.page-products .pd-filter:focus { border-color: var(--aurora); }

.page-products .pd-device-list { display: grid; gap: 8px; }
.page-products .pd-device {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 8px 14px;
  align-items: center;
  padding: 13px 16px;
  background: var(--nebula);
  border-left: 2px solid var(--line);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.page-products .pd-device:hover { border-left-color: var(--aurora); background: var(--stone); }
.page-products .pd-device[hidden] { display: none; }
.page-products .pd-device-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--aurora);
}
.page-products .pd-device-name { display: block; font-size: 14.5px; color: var(--text); }
.page-products .pd-device-meta { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }

.page-products .pd-devices-foot {
  margin-top: 16px;
  padding-left: 14px;
  font-size: 13px;
  color: var(--muted);
  border-left: 2px solid var(--line);
}

/* ---------- 04 链支持表 ---------- */
.page-products .pd-table-wrap {
  overflow-x: auto;
  background: var(--nebula);
  border: 1px solid var(--line);
}
.page-products .pd-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}
.page-products .pd-table-cap {
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-products .pd-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--aurora);
  background: var(--stone);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.page-products .pd-table tbody th,
.page-products .pd-table tbody td {
  padding: 15px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.page-products .pd-table tbody tr { transition: background 0.18s var(--ease); }
.page-products .pd-table tbody tr:hover { background: var(--aurora-wash); }
.page-products .pd-table tbody tr:last-child th,
.page-products .pd-table tbody tr:last-child td { border-bottom: 0; }
.page-products .pd-table tbody th {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
}
.page-products .pd-num {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--aurora);
}

.page-products .pd-note {
  margin-top: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 05 场景 ---------- */
.page-products .pd-scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-products .pd-scenario {
  position: relative;
  padding: 24px 20px 20px 24px;
  background: var(--nebula);
  border: 1px solid var(--line);
}
.page-products .pd-scenario::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--aurora), transparent);
}
.page-products .pd-scenario--new::before { background: linear-gradient(180deg, var(--violet), transparent); }
.page-products .pd-scenario-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--aurora);
  background: var(--aurora-wash);
}
.page-products .pd-scenario-tag--violet { color: var(--violet); background: var(--violet-wash); }
.page-products .pd-scenario h3 { margin-bottom: 16px; font-size: 18px; font-weight: 700; }

.page-products .pd-flow { display: grid; gap: 11px; }
.page-products .pd-flow li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}
.page-products .pd-flow-no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--aurora);
}
.page-products .pd-scenario--new .pd-flow-no { color: var(--violet); }

.page-products .pd-scenario-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
}

/* ---------- 06 核对顺序 ---------- */
.page-products .pd-check-list { display: grid; gap: 10px; margin-bottom: 22px; }
.page-products .pd-check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--nebula);
  border: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.page-products .pd-check:has(input:checked) {
  border-color: var(--pass);
  background: var(--pass-wash);
}
.page-products .pd-check-input {
  width: 17px;
  height: 17px;
  margin: 4px 0 0;
  accent-color: var(--aurora);
  cursor: pointer;
}
.page-products .pd-check-label { cursor: pointer; }
.page-products .pd-check-t { display: block; font-size: 14.5px; font-weight: 700; color: var(--text); }
.page-products .pd-check-d { display: block; margin-top: 4px; font-size: 12.5px; line-height: 1.65; color: var(--muted); }

.page-products .pd-alert {
  padding: 18px 20px;
  background: var(--alert-wash);
  border: 1px solid rgba(255, 138, 61, 0.42);
  border-left: 3px solid var(--alert);
}
.page-products .pd-alert-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--alert);
}
.page-products .pd-alert p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}
.page-products .pd-alert.is-pulsing { animation: pd-alert-pulse 1.2s var(--ease) 1; }

@keyframes pd-alert-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(255, 138, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0); }
}

/* ---------- 收束 ---------- */
.page-products .pd-block--end {
  padding: 44px 0 56px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, var(--nebula));
}
.page-products .pd-block--end h2 { margin-bottom: 12px; font-size: 22px; font-weight: 800; }
.page-products .pd-end-p { max-width: 56ch; margin-bottom: 22px; font-size: 14.5px; color: var(--muted); }
.page-products .pd-end-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.page-products .pd-end-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-size: 14.5px;
  color: var(--text);
  background: var(--stone);
  border-left: 2px solid var(--line);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.page-products .pd-end-links a:hover {
  border-left-color: var(--aurora);
  color: var(--aurora);
  text-decoration: none;
}
.page-products .pd-end-links span { color: var(--aurora); font-family: var(--font-mono); }

/* ---------- 动效 ---------- */
@keyframes pd-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.page-products [data-reveal] { animation: pd-rise 0.5s var(--ease) both; }
.page-products [data-reveal]:nth-child(2) { animation-delay: 0.06s; }
.page-products [data-reveal]:nth-child(3) { animation-delay: 0.12s; }

.page-products .to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 30;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pd-deck { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-end-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pd-spec-row { grid-template-columns: 148px minmax(0, 1fr); gap: 20px; align-items: baseline; }
}

@media (min-width: 768px) {
  .page-products .pd-banner { padding: 34px 0 56px; }
  .page-products .pd-banner h1 { font-size: 42px; }
  .page-products .pd-lead { font-size: 17px; }
  .page-products .pd-head h2 { font-size: 27px; }
  .page-products .pd-block { padding: 56px 0; }
  .page-products .pd-branches { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
  .page-products .pd-branch:nth-child(2) { margin-top: 26px; }
  .page-products .pd-branch:nth-child(3) { margin-top: 52px; }
  .page-products .pd-scenarios { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .page-products .pd-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--pd-rail);
    column-gap: 52px;
    align-items: start;
    padding-top: 44px;
  }
  .page-products .pd-rail {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: 92px;
    margin-bottom: 0;
  }
  .page-products .pd-stream { grid-column: 1; grid-row: 1; }
  .page-products .pd-toc-list { display: grid; gap: 4px; overflow: visible; }
  .page-products .pd-toc-list li { flex: none; }
  .page-products .pd-toc-link {
    background: transparent;
    border: 0;
    border-left: 2px solid var(--line);
    padding: 7px 10px;
  }
  .page-products .pd-toc-link.is-active {
    background: var(--aurora-wash);
    border-left-color: var(--aurora);
    color: var(--aurora);
  }
  .page-products .pd-devices { grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
  .page-products .pd-device { border-left-width: 3px; }
}

@media (min-width: 1200px) {
  .page-products .pd-banner h1 { font-size: 46px; }
  .page-products .pd-devices { grid-template-columns: minmax(0, 1fr) 340px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] { animation: none; }
  .page-products .pd-alert.is-pulsing { animation: none; }
  .page-products .pd-tab,
  .page-products .pd-copy,
  .page-products .pd-device,
  .page-products .pd-end-links a { transition: none; }
}