.page-products {
  --pdp-line-soft: rgba(27, 74, 62, 0.72);
  --pdp-glow: rgba(0, 229, 192, 0.07);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products a {
  color: inherit;
  text-decoration: none;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pdp-hero {
  position: relative;
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pdp-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% 0;
  background-image:
    linear-gradient(90deg, var(--pdp-line-soft) 1px, transparent 1px),
    linear-gradient(0deg, var(--pdp-line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.24;
  pointer-events: none;
}

.page-products .pdp-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -180px;
  top: -220px;
  background: radial-gradient(circle, rgba(0, 229, 192, 0.16), transparent 68%);
  pointer-events: none;
}

.page-products .pdp-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .pdp-crumb {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mute);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.page-products .pdp-crumb a {
  color: var(--cool);
}

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

.page-products .pdp-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-products .pdp-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.6vw, 58px);
  line-height: 1.12;
  max-width: 15em;
}

.page-products .pdp-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cool);
}

.page-products .pdp-stamp {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-700));
  padding: 20px;
}

.page-products .pdp-stamp::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 3px;
  background: var(--amber);
}

.page-products .pdp-stamp__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-products .pdp-stamp__ver {
  margin: 2px 0 12px;
  font-family: var(--font-mono);
  font-size: 46px;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pdp-stamp__rows {
  margin: 0;
}

.page-products .pdp-stamp__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--pdp-line-soft);
  font-size: 13px;
}

.page-products .pdp-stamp__row dt {
  color: var(--mute);
}

.page-products .pdp-stamp__row dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- 双栏主体 ---------- */
.page-products .pdp-body {
  display: grid;
  gap: 26px;
  padding-top: 30px;
  padding-bottom: 10px;
}

.page-products .pdp-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-products .pdp-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pdp-index a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--cool);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.page-products .pdp-index a:hover,
.page-products .pdp-index a:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
  background: var(--pdp-glow);
}

.page-products .pdp-index a[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--pdp-glow);
}

.page-products .pdp-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mute);
}

.page-products .pdp-index__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

/* ---------- 功能卡片 ---------- */
.page-products .pdp-card {
  position: relative;
  padding: 26px 20px 28px;
  margin-bottom: 18px;
  background: linear-gradient(155deg, var(--ink-800), rgba(18, 48, 42, 0.92));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .pdp-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 56px;
  background: var(--cyan);
}

.page-products .pdp-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pdp-card h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 4.2vw, 31px);
  line-height: 1.28;
}

.page-products .pdp-card p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
  max-width: 44em;
}

.page-products .pdp-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pdp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .pdp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pdp-list strong {
  color: var(--paper);
  font-weight: 600;
}

.page-products .pdp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-products .pdp-chip {
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: rgba(7, 19, 15, 0.5);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cool);
}

.page-products .pdp-chip--amber {
  border-color: rgba(255, 162, 58, 0.5);
  color: var(--amber);
}

/* ---------- 图片 ---------- */
.page-products .pdp-figure {
  margin: 20px 0 0;
}

.page-products .pdp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-products .pdp-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--mute);
}

/* ---------- 收藏页浮层 ---------- */
.page-products .pdp-float {
  margin-top: 18px;
  border: 1px solid rgba(0, 229, 192, 0.35);
  background: rgba(7, 19, 15, 0.72);
}

.page-products .pdp-float summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--cyan-soft);
}

.page-products .pdp-float summary::-webkit-details-marker {
  display: none;
}

.page-products .pdp-float summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-products .pdp-float[open] summary::after {
  content: "−";
}

.page-products .pdp-float summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-products .pdp-float__body {
  padding: 6px 14px 14px;
  border-top: 1px solid var(--pdp-line-soft);
}

.page-products .pdp-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--pdp-line-soft);
  font-size: 13px;
  color: var(--cool);
}

.page-products .pdp-line:last-child {
  border-bottom: 0;
}

.page-products .pdp-line__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 预约流程带 ---------- */
.page-products .pdp-band {
  position: relative;
  margin: 34px 0;
  padding: 40px 0;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pdp-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--pdp-line-soft) 1px, transparent 1px),
    linear-gradient(0deg, var(--pdp-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.16;
  pointer-events: none;
}

.page-products .pdp-band .container {
  position: relative;
  z-index: 1;
}

.page-products .pdp-band__head {
  display: grid;
  gap: 20px;
}

.page-products .pdp-band h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.25;
}

.page-products .pdp-band__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
  max-width: 36em;
}

.page-products .pdp-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-products .pdp-step {
  position: relative;
  padding-top: 22px;
  border-top: 1px solid var(--pdp-line-soft);
}

.page-products .pdp-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-products .pdp-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .pdp-step h3 {
  margin: 8px 0 0;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-products .pdp-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .pdp-step__more {
  font-size: 13px;
  color: var(--mute);
}

.page-products .pdp-prep {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--pdp-line-soft);
}

.page-products .pdp-prep__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mute);
}

/* ---------- 版本 ---------- */
.page-products .pdp-lower {
  display: grid;
  gap: 44px;
  padding-top: 6px;
  padding-bottom: 56px;
}

.page-products .pdp-version {
  display: grid;
  gap: 26px;
}

.page-products .pdp-version h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.26;
}

.page-products .pdp-version__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
  max-width: 38em;
}

.page-products .pdp-changes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pdp-changes li {
  position: relative;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

.page-products .pdp-changes__mark {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  background: var(--pdp-glow);
  border: 1px solid rgba(0, 229, 192, 0.4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pdp-version__tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-products .pdp-version__tail a {
  color: var(--cyan-soft);
  border-bottom: 1px solid rgba(0, 229, 192, 0.4);
}

.page-products .pdp-version__tail a:hover,
.page-products .pdp-version__tail a:focus-visible {
  color: var(--cyan);
}

.page-products .pdp-figure--tall {
  margin-top: 0;
}

/* ---------- 场景 ---------- */
.page-products .pdp-scenes {
  display: grid;
  gap: 12px;
}

.page-products .pdp-scenes__head {
  margin-bottom: 6px;
}

.page-products .pdp-scenes h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.6vw, 36px);
  line-height: 1.26;
}

.page-products .pdp-scene {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(12, 31, 25, 0.66);
  transition: border-color 180ms ease, background 180ms ease;
}

.page-products .pdp-scene:hover {
  border-color: rgba(0, 229, 192, 0.5);
  background: rgba(18, 48, 42, 0.7);
}

.page-products .pdp-scene h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

.page-products .pdp-scene p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .pdp-scene__to {
  font-size: 13px;
  color: var(--mute);
}

.page-products .pdp-scene__to a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(0, 229, 192, 0.35);
}

.page-products .pdp-scene__to a:hover,
.page-products .pdp-scene__to a:focus-visible {
  color: var(--cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-products .pdp-cta {
  border-top: 1px solid var(--line);
  padding-top: 34px;
}

.page-products .pdp-cta h2 {
  margin: 0;
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.22;
  max-width: 18em;
}

.page-products .pdp-cta__lead {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cool);
}

.page-products .pdp-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  margin-top: 22px;
}

.page-products .pdp-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 14px;
}

.page-products .pdp-cta__links a {
  color: var(--cool);
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-products .pdp-cta__links a:hover,
.page-products .pdp-cta__links a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: rgba(0, 229, 192, 0.6);
}

.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 768px) {
  .page-products .pdp-hero {
    padding: 44px 0 52px;
  }

  .page-products .pdp-card {
    padding: 32px 30px 34px;
  }

  .page-products .pdp-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 28px;
  }

  .page-products .pdp-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pdp-scenes__head {
    grid-column: 1 / -1;
  }

  .page-products .pdp-cta__actions {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-products .pdp-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: 48px;
  }

  .page-products .pdp-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-top: 44px;
  }

  .page-products .pdp-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-products .pdp-index ol {
    display: grid;
    gap: 2px;
  }

  .page-products .pdp-index a {
    border: 0;
    border-left: 1px solid var(--line);
    padding: 9px 10px;
    font-size: 14px;
  }

  .page-products .pdp-card {
    margin-bottom: 24px;
  }

  .page-products .pdp-band {
    margin: 48px 0;
    padding: 56px 0;
  }

  .page-products .pdp-band__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: end;
    gap: 44px;
  }

  .page-products .pdp-figure--band {
    margin-top: 0;
  }

  .page-products .pdp-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
    margin-top: 40px;
  }

  .page-products .pdp-step__more {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .page-products .pdp-step:hover .pdp-step__more,
  .page-products .pdp-step:focus-within .pdp-step__more {
    opacity: 1;
    transform: none;
  }

  .page-products .pdp-version {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pdp-lower {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pdp-step__more,
  .page-products .pdp-index a,
  .page-products .pdp-scene,
  .page-products .pdp-cta__links a {
    transition: none;
  }
}