.page-products {
  --pr-pad: clamp(18px, 4vw, 30px);
  --pr-gap: clamp(20px, 3.4vw, 40px);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 72px) 0 clamp(38px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(18, 18, 26, 0.9), rgba(7, 7, 11, 0) 62%);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  inset: -34% -12% auto -12%;
  height: 150%;
  pointer-events: none;
  background:
    radial-gradient(38% 42% at 16% 24%, rgba(124, 77, 255, 0.26), transparent 70%),
    radial-gradient(32% 36% at 84% 14%, rgba(47, 208, 255, 0.16), transparent 72%),
    radial-gradient(26% 30% at 64% 80%, rgba(200, 162, 74, 0.16), transparent 76%);
  animation: pr-drift 24s linear infinite;
}

@keyframes pr-drift {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.page-products .pr-hero__grid {
  position: relative;
  margin-top: clamp(20px, 3vw, 34px);
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .pr-hero__title {
  margin: 14px 0 0;
  font-size: clamp(38px, 8.4vw, 104px);
  font-weight: 250;
  line-height: 1.04;
  letter-spacing: 0.03em;
  max-width: 14ch;
}

.page-products .pr-hero__lead {
  margin: 20px 0 0;
  max-width: var(--measure);
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-products .pr-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pr-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--obsidian);
}

.page-products .pr-hero__media::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 112px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--champagne));
}

.page-products .pr-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
}

/* ---------- 通用章节头 ---------- */
.page-products .pr-sec-head {
  max-width: var(--measure);
}

.page-products .pr-sec-title {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.6vw, 48px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .pr-sec-desc {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.78;
}

/* ---------- 品类模块 ---------- */
.page-products .pr-mods {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-products .pr-strips {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pr-strip {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 24px 22px 24px 26px;
  background: linear-gradient(120deg, rgba(28, 28, 40, 0.96), rgba(18, 18, 26, 0.96));
  border: 1px solid var(--line);
  border-left: 3px solid var(--pr-accent);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease),
              box-shadow 0.28s var(--ease);
}

.page-products .pr-strip:hover,
.page-products .pr-strip:focus-within {
  transform: translateY(-4px);
  border-color: rgba(200, 162, 74, 0.4);
  box-shadow: 0 22px 48px -32px rgba(0, 0, 0, 0.9);
}

.page-products .pr-strip--gold { --pr-accent: var(--gold); }
.page-products .pr-strip--electric { --pr-accent: var(--electric); }
.page-products .pr-strip--violet { --pr-accent: var(--violet); }

.page-products .pr-strip__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--pr-accent);
  opacity: 0.9;
}

.page-products .pr-strip__name {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .pr-strip__desc {
  margin: 10px 0 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-products .pr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-strip__go {
  align-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-13);
  letter-spacing: 0.12em;
  color: var(--pr-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
  transition: gap 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-products .pr-strip__go:hover {
  gap: 15px;
  opacity: 0.82;
}

/* ---------- 返水档位 ---------- */
.page-products .pr-rebate {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--obsidian);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-rebate__grid {
  display: grid;
  gap: var(--pr-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pr-rebate__table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: var(--fs-16);
}

.page-products .pr-rebate__table caption {
  padding-bottom: 14px;
  text-align: left;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .pr-rebate__table th,
.page-products .pr-rebate__table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.page-products .pr-rebate__table thead th {
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pr-rebate__table tbody th {
  font-weight: 400;
  color: var(--text);
  white-space: nowrap;
}

.page-products .pr-rebate__table tbody td {
  color: var(--muted);
}

.page-products .pr-rebate__table tbody tr {
  transition: background 0.24s var(--ease);
}

.page-products .pr-rebate__table tbody tr:hover td,
.page-products .pr-rebate__table tbody tr:hover th {
  background: rgba(255, 138, 61, 0.08);
}

.page-products .pr-rebate__table tbody tr:hover th:first-child {
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-products .pr-tier {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .pr-tier__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-13);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .pr-rebate__note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.7;
  max-width: 62ch;
}

.page-products .pr-ladder {
  margin: 26px 0 0;
  padding: 18px 18px 12px;
  border: 1px solid var(--line);
  background: rgba(7, 7, 11, 0.55);
}

.page-products .pr-ladder svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-ladder figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pr-rebate__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink);
}

/* ---------- 查询工具 ---------- */
.page-products .pr-tools {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-products .pr-tools__grid {
  display: grid;
  gap: var(--pr-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pr-tools__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--obsidian);
}

.page-products .pr-tool {
  position: relative;
  padding: 26px 22px 24px;
  background: linear-gradient(150deg, rgba(28, 28, 40, 0.92), rgba(18, 18, 26, 0.92));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}

.page-products .pr-tool + .pr-tool {
  margin-top: 16px;
}

.page-products .pr-tool:hover,
.page-products .pr-tool:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 138, 61, 0.6);
  box-shadow: 0 22px 46px -30px rgba(255, 138, 61, 0.6);
}

.page-products .pr-tool__idx {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--electric);
}

.page-products .pr-tool__name {
  margin: 10px 0 0;
  font-size: var(--fs-24);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .pr-tool__desc {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-products .pr-tool__meta {
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pr-tool__meta > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-tool__meta dt {
  font-size: var(--fs-13);
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-products .pr-tool__meta dd {
  margin: 0;
  font-size: var(--fs-13);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.page-products .pr-tool__link {
  margin-top: 18px;
}

/* ---------- 更新节拍 ---------- */
.page-products .pr-cadence {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--obsidian);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pr-cadence__grid {
  display: grid;
  gap: var(--pr-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .pr-cadence__card {
  padding: 26px 22px;
}

.page-products .pr-cadence__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-cadence__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-cadence__k {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .pr-cadence__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-16);
  font-weight: 500;
  color: var(--text);
}

.page-products .pr-spark {
  margin: 22px 0 0;
}

.page-products .pr-spark svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pr-spark figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .pr-cadence__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-products .pr-version {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-products .pr-version__track {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-version__item {
  position: relative;
  padding-left: 22px;
  display: grid;
  gap: 2px;
}

.page-products .pr-version__dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 162, 74, 0.14);
}

.page-products .pr-version__item::before {
  content: "";
  position: absolute;
  left: 3.5px;
  top: 20px;
  bottom: -16px;
  width: 1px;
  background: var(--line);
}

.page-products .pr-version__item:last-child::before {
  display: none;
}

.page-products .pr-version__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-16);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--champagne);
}

.page-products .pr-version__y {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--electric);
}

.page-products .pr-version__d {
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 访问与设备 ---------- */
.page-products .pr-access {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-products .pr-access__grid {
  display: grid;
  gap: var(--pr-gap);
  align-items: start;
}

.page-products .pr-access__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-access__list li {
  position: relative;
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-products .pr-access__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 8px;
  height: 1px;
  background: var(--amber);
}

.page-products .pr-access__list strong {
  color: var(--text);
  font-weight: 500;
}

.page-products .pr-access__note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: var(--fs-13);
  line-height: 1.7;
}

.page-products .pr-access__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pr-access__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--obsidian);
}

/* ---------- 收尾清单 ---------- */
.page-products .pr-next {
  padding: clamp(38px, 5vw, 72px) 0 clamp(52px, 7vw, 96px);
  border-top: 1px solid var(--line);
}

.page-products .pr-next__title {
  margin: 12px 0 0;
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 300;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-products .pr-next__list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .pr-next__list li {
  border-bottom: 1px solid var(--line);
}

.page-products .pr-next__list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 2px;
  text-decoration: none;
  color: var(--text);
  font-size: var(--fs-16);
  transition: padding-left 0.26s var(--ease), color 0.26s var(--ease);
}

.page-products .pr-next__list a:hover {
  padding-left: 12px;
  color: var(--champagne);
}

.page-products .pr-next__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-strip {
    padding: 28px 26px 28px 30px;
  }

  .page-products .pr-hero__meta {
    gap: 10px;
  }
}

@media (min-width: 900px) {
  .page-products .pr-strip {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-products .pr-cadence__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pr-access__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-products .pr-version__track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pr-version__item {
    padding: 22px 14px 0 0;
    border-top: 1px solid var(--line);
    display: block;
  }

  .page-products .pr-version__item::before {
    display: none;
  }

  .page-products .pr-version__item::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gold);
  }

  .page-products .pr-version__dot {
    display: none;
  }

  .page-products .pr-version__y {
    display: block;
    margin-top: 6px;
  }

  .page-products .pr-version__d {
    display: block;
    margin-top: 8px;
  }

  .page-products .pr-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (min-width: 1080px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pr-strips {
    gap: 18px;
  }

  .page-products .pr-rebate__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pr-tools__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-hero::before {
    animation: none;
  }

  .page-products .pr-strip,
  .page-products .pr-tool,
  .page-products .pr-next__list a {
    transition-duration: 0.12s;
  }

  .page-products .pr-strip:hover,
  .page-products .pr-tool:hover,
  .page-products .pr-tool:focus-within {
    transform: none;
  }
}