.page-products {
  --pd-cut: 22px;
  --pd-gap: clamp(20px, 3.4vw, 48px);
  --pd-panel-bg: rgba(16, 26, 71, 0.55);
  --pd-panel-bg-dark: rgba(255, 255, 255, 0.035);
  --pd-rule: rgba(47, 227, 224, 0.22);
  --pd-rule-paper: rgba(44, 52, 68, 0.16);
  --pd-tilt: -6deg;
}

/* ---------- 首屏框景 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-block: clamp(28px, 5vw, 56px) clamp(40px, 6vw, 84px);
  overflow: hidden;
}
.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(47, 227, 224, 0.07) 1px, transparent 1px) 0 0 / 100% 48px,
    linear-gradient(90deg, rgba(47, 227, 224, 0.07) 1px, transparent 1px) 0 0 / 48px 100%,
    radial-gradient(ellipse 70% 55% at 78% 18%, rgba(43, 61, 155, 0.55), transparent 68%),
    radial-gradient(ellipse 55% 45% at 8% 92%, rgba(255, 107, 26, 0.12), transparent 70%);
  pointer-events: none;
}
.page-products .pd-hero__frame {
  position: relative;
  max-width: var(--max-w);
  margin-inline: auto;
  border: 1px solid var(--line-dark);
  padding: clamp(24px, 4vw, 56px) clamp(18px, 4vw, 64px) clamp(32px, 4.5vw, 64px);
}
.page-products .pd-hero__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan-400);
  pointer-events: none;
}
.page-products .pd-hero__corner--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.page-products .pd-hero__corner--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.page-products .pd-hero__corner--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.page-products .pd-hero__corner--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.page-products .pd-hero__inner { position: relative; }
.page-products .pd-breadcrumbs { margin-bottom: clamp(18px, 3vw, 32px); font-size: 13px; }
.page-products .pd-breadcrumbs a { color: var(--cyan-400); text-decoration: none; }
.page-products .pd-breadcrumbs a:hover { text-decoration: underline; }
.page-products .pd-breadcrumbs span[aria-current] { color: var(--slate-500); }

.page-products .pd-hero__eyebrow {
  color: var(--cyan-400);
  margin-bottom: 14px;
}
.page-products .pd-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink-text);
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 15em;
}
.page-products .pd-hl {
  position: relative;
  color: var(--amber-400);
  white-space: nowrap;
}
.page-products .pd-hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.14em;
  background: var(--orange-500);
  transform: skewX(var(--pd-tilt));
  opacity: 0.85;
}
.page-products .pd-hero__lede {
  color: rgba(232, 237, 247, 0.82);
  max-width: 34em;
  font-family: var(--font-editorial);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .pd-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  margin-bottom: clamp(24px, 3.4vw, 38px);
}
.page-products .pd-hero__meta-item {
  font-size: 14px;
  color: rgba(232, 237, 247, 0.68);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.page-products .pd-hero__meta-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--cyan-400);
  letter-spacing: -0.02em;
  line-height: 1;
}

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

.page-products .pd-hero__ticker {
  position: absolute;
  left: clamp(18px, 4vw, 64px);
  right: clamp(18px, 4vw, 64px);
  bottom: clamp(14px, 2vw, 24px);
}
.page-products .pd-hero__ticker-line {
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--grass-500) 45%, var(--amber-400) 72%, var(--orange-500));
  transform: skewX(var(--pd-tilt));
  transform-origin: left center;
  opacity: 0.9;
}

/* ---------- 模块总览 ---------- */
.page-products .pd-overview { position: relative; }
.page-products .pd-overview::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-400), transparent 62%);
  opacity: 0.5;
}
.page-products .pd-eyebrow--cyan { color: var(--cyan-400); }
.page-products .pd-eyebrow--amber { color: var(--amber-400); }
.page-products .pd-eyebrow--ink { color: var(--slate-500); }

.page-products .pd-overview__head { max-width: 46em; margin-bottom: clamp(26px, 4vw, 44px); }
.page-products .pd-overview__head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.16;
  color: var(--ink-text);
  margin: 12px 0 16px;
  letter-spacing: -0.01em;
}
.page-products .pd-overview__intro { color: rgba(232, 237, 247, 0.74); max-width: 40em; }

/* 刻度标签 */
.page-products .pd-tabs {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--line-dark);
  margin-bottom: clamp(24px, 3.4vw, 40px);
}
.page-products .pd-tabs::-webkit-scrollbar { display: none; }
.page-products .pd-tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 12px clamp(14px, 2.4vw, 30px);
  margin-bottom: -1px;
  cursor: pointer;
  color: rgba(232, 237, 247, 0.55);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 1.5vw, 1.125rem);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}
.page-products .pd-tab__idx {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate-500);
  transition: color 200ms ease;
}
.page-products .pd-tab:hover { color: var(--ink-text); background: rgba(47, 227, 224, 0.06); }
.page-products .pd-tab.is-active {
  color: var(--ink-text);
  border-bottom-color: var(--amber-400);
}
.page-products .pd-tab.is-active .pd-tab__idx { color: var(--amber-400); }
.page-products .pd-tab:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

/* 双栏板 */
.page-products .pd-board {
  display: grid;
  gap: var(--pd-gap);
  grid-template-columns: 1fr;
}
.page-products .pd-board__rail {
  position: relative;
  background: linear-gradient(160deg, rgba(16, 26, 71, 0.95), rgba(7, 12, 24, 0.9));
  border: 1px solid var(--pd-rule);
  padding: clamp(20px, 2.6vw, 30px);
  align-self: start;
}
.page-products .pd-board__rail::after {
  content: "";
  position: absolute;
  inset: 6px -1px auto auto;
  width: 46%;
  height: 3px;
  background: var(--cyan-400);
  transform: skewX(var(--pd-tilt));
  opacity: 0.7;
}
.page-products .pd-board__rail-name {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--cyan-400);
  margin: 8px 0 18px;
  line-height: 1.1;
}
.page-products .pd-metrics {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}
.page-products .pd-metrics__row {
  background: rgba(7, 12, 24, 0.85);
  padding: 12px 4px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.page-products .pd-metrics__num {
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 700;
  color: var(--amber-400);
  min-width: 3.4em;
  line-height: 1;
}
.page-products .pd-metrics__label {
  font-size: 13px;
  color: rgba(232, 237, 247, 0.66);
  line-height: 1.5;
}
.page-products .pd-board__rail-note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-500);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-board__panels { min-width: 0; }
.page-products .pd-panel {
  background: var(--pd-panel-bg-dark);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan-400);
  padding: clamp(20px, 3vw, 34px);
  scroll-margin-top: 92px;
}
.page-products .pd-panel[hidden] { display: none; }
.page-products .pd-panel + .pd-panel { margin-top: var(--pd-gap); }
.page-products .pd-panel:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: 3px; }

.page-products .pd-panel__tagrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 14px;
}
.page-products .pd-panel__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}
.page-products .pd-panel__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.25;
  color: var(--ink-text);
  margin: 0 0 14px;
}
.page-products .pd-panel .prose { color: rgba(232, 237, 247, 0.78); }

.page-products .pd-points {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
}
.page-products .pd-points li {
  background: rgba(7, 12, 24, 0.6);
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(232, 237, 247, 0.76);
}
.page-products .pd-points__k {
  display: inline-block;
  min-width: 4.6em;
  margin-right: 10px;
  color: var(--cyan-400);
  font-size: 12px;
  letter-spacing: 0.08em;
  vertical-align: baseline;
}

.page-products .pd-figure { margin: clamp(18px, 3vw, 28px) 0 0; }
.page-products .pd-figure--rule { max-width: 420px; }
.page-products .pd-figure .figure__media img { width: 100%; height: auto; object-fit: cover; }

/* 主场层级 */
.page-products .pd-map__levels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  margin: clamp(18px, 2.6vw, 26px) 0 10px;
}
.page-products .pd-level {
  appearance: none;
  border: 0;
  background: rgba(7, 12, 24, 0.7);
  color: rgba(232, 237, 247, 0.66);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 8px;
  transition: background-color 200ms ease, color 200ms ease, transform 200ms ease;
}
.page-products .pd-level:hover { background: rgba(47, 227, 224, 0.1); color: var(--ink-text); }
.page-products .pd-level[aria-pressed="true"] {
  background: rgba(56, 179, 107, 0.18);
  color: var(--ink-text);
  box-shadow: inset 3px 0 0 var(--grass-500);
}
.page-products .pd-level:active { transform: scale(0.985); }
.page-products .pd-level:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: -2px; }
.page-products .pd-level__n {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--grass-500);
  min-width: 1.6em;
}
.page-products .pd-level[aria-pressed="true"] .pd-level__n { color: var(--amber-400); }
.page-products .pd-map__hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate-500);
  margin: 0 0 4px;
}

/* 对照表 */
.page-products .pd-table-wrap {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
}
.page-products .pd-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 14px;
}
.page-products .pd-table__caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  background: rgba(7, 12, 24, 0.6);
}
.page-products .pd-table th,
.page-products .pd-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--line-soft);
  color: rgba(232, 237, 247, 0.76);
  line-height: 1.65;
}
.page-products .pd-table thead th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber-400);
  background: rgba(16, 26, 71, 0.7);
}
.page-products .pd-table tbody th {
  font-weight: 700;
  color: var(--ink-text);
  white-space: nowrap;
}
.page-products .pd-table tbody td.mono {
  color: var(--cyan-400);
  font-size: 13.5px;
}
.page-products .pd-table tbody tr { transition: background-color 180ms ease; }
.page-products .pd-table tbody tr:hover { background: rgba(47, 227, 224, 0.08); }
.page-products .pd-table tbody tr:hover td.mono { color: var(--amber-400); }

.page-products .pd-panel__more { margin: 18px 0 0; font-size: 14.5px; }

/* 折叠面板 */
.page-products .pd-details {
  margin-top: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-dark);
  background: rgba(7, 12, 24, 0.5);
}
.page-products .pd-details__summary {
  cursor: pointer;
  padding: 14px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink-text);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-products .pd-details__summary::-webkit-details-marker { display: none; }
.page-products .pd-details__summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan-400);
  font-size: 1rem;
  line-height: 1;
}
.page-products .pd-details[open] .pd-details__summary::before { content: "−"; color: var(--amber-400); }
.page-products .pd-details__summary:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: -2px; }
.page-products .pd-details__list {
  margin: 0;
  padding: 0 18px 18px 38px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 237, 247, 0.72);
}
.page-products .pd-details__list li::marker { color: var(--cyan-400); }

/* ---------- 适用场景 ---------- */
.page-products .pd-scenes { position: relative; }
.page-products .pd-scenes::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34%;
  height: 5px;
  background: var(--orange-500);
  transform: skewX(var(--pd-tilt));
}
.page-products .pd-scenes__grid {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
  grid-template-columns: 1fr;
}
.page-products .pd-scenes__intro h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.18;
  color: var(--paper-text);
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
}
.page-products .pd-scenes__intro .prose { color: #44506A; }

.page-products .pd-scenes__list {
  display: grid;
  gap: 1px;
  background: var(--pd-rule-paper);
}
.page-products .pd-scene {
  background: var(--paper-100);
  padding: clamp(18px, 2.6vw, 26px) 0 clamp(18px, 2.6vw, 26px) clamp(16px, 2.4vw, 28px);
  border-left: 2px solid transparent;
  transition: border-color 220ms ease, padding-left 220ms ease;
}
.page-products .pd-scene:hover {
  border-left-color: var(--orange-500);
  padding-left: clamp(20px, 3vw, 34px);
}
.page-products .pd-scene__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate-500);
  margin-bottom: 8px;
}
.page-products .pd-scene__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--paper-text);
  margin: 0 0 8px;
}
.page-products .pd-scene p { color: #44506A; font-size: 15px; line-height: 1.8; margin: 0 0 8px; max-width: 38em; }
.page-products .pd-scene__use {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--indigo-600) !important;
  border-top: 1px solid var(--pd-rule-paper);
  padding-top: 10px;
  margin-bottom: 0 !important;
}

/* ---------- 获取方式 ---------- */
.page-products .pd-access { position: relative; overflow: hidden; }
.page-products .pd-access::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 88% 12%, rgba(255, 198, 61, 0.12), transparent 66%),
    linear-gradient(rgba(47, 227, 224, 0.06) 1px, transparent 1px) 0 0 / 100% 56px;
  pointer-events: none;
}
.page-products .pd-access .container { position: relative; }
.page-products .pd-access__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  grid-template-columns: 1fr;
}
.page-products .pd-access__lead h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.18;
  color: var(--ink-text);
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
}
.page-products .pd-access__lead .prose { color: rgba(232, 237, 247, 0.76); }
.page-products .pd-access__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pd-access__steps {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}
.page-products .pd-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px clamp(16px, 2.2vw, 24px);
  background: var(--pd-panel-bg);
  border-top: 1px solid var(--pd-rule);
  transition: background-color 220ms ease;
}
.page-products .pd-step:hover { background: rgba(43, 61, 155, 0.45); }
.page-products .pd-step__num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber-400);
  line-height: 1;
}
.page-products .pd-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink-text);
  margin: 0 0 6px;
}
.page-products .pd-step__body p {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 237, 247, 0.72);
  margin: 0;
  max-width: 40em;
}
.page-products .pd-step__body .link-inline { color: var(--cyan-400); }

.page-products .pd-access__footnote {
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.page-products .pd-access__note {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--slate-500);
  max-width: 52em;
  margin: 0;
}
.page-products .pd-access__note .link-inline { color: var(--cyan-400); }

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-map__levels { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .pd-scenes__grid { grid-template-columns: 1fr; }
}

@media (min-width: 1024px) {
  .page-products .pd-hero__frame { padding-block: clamp(40px, 5vw, 72px); }
  .page-products .pd-hero__inner { padding-left: clamp(0px, 3vw, 40px); }

  .page-products .pd-board {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }
  .page-products .pd-board__rail {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-scenes__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .page-products .pd-scenes__intro {
    position: sticky;
    top: 104px;
  }

  .page-products .pd-access__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-products .pd-board { grid-template-columns: 340px minmax(0, 1fr); }
  .page-products .pd-hero__title { max-width: 13em; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-scene,
  .page-products .pd-step,
  .page-products .pd-tab,
  .page-products .pd-level,
  .page-products .pd-table tbody tr {
    transition: none;
  }
}