.page-products {
  padding-bottom: clamp(48px, 8vw, 110px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(28px, 5vw, 52px) 0 clamp(34px, 6vw, 68px);
}

.page-products .prod-hero__wash {
  position: absolute;
  top: clamp(-48px, -4vw, -18px);
  right: calc(-1 * var(--gutter));
  width: min(660px, 84vw);
  height: min(460px, 60vw);
  background: linear-gradient(152deg, #072E26 0%, #0B0F0E 56%, rgba(184, 255, 60, 0.16) 100%);
  clip-path: polygon(24% 0, 100% 0, 100% 76%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-products .prod-hero__lead {
  position: relative;
  min-width: 0;
}

.page-products .prod-hero__title {
  margin: 0.55rem 0 1rem;
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--white-050);
}

.page-products .prod-hero__lede {
  max-width: var(--measure);
  margin: 0;
  color: var(--white-050);
  font-size: clamp(0.9375rem, 2.4vw, 1.0625rem);
  line-height: 1.85;
}

.page-products .prod-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 2.2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--coal-700);
}

.page-products .prod-stats li {
  padding: 1rem 0.7rem 1rem 0;
  border-right: 1px solid var(--coal-700);
  min-width: 0;
}

.page-products .prod-stats li:last-child {
  border-right: 0;
}

.page-products .prod-stats .score-num {
  display: block;
  font-size: clamp(1.6rem, 5.4vw, 2.5rem);
  line-height: 1;
  color: var(--lime-400);
}

.page-products .prod-stats span:last-child {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--gray-400);
}

.page-products .prod-hero__fig {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-products .prod-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--coal-700);
}

.page-products .prod-hero__cap {
  display: block;
  margin-top: 0.7rem;
  color: var(--gray-400);
}

/* ---------- 主体骨架 ---------- */
.page-products .prod-body {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-products .prod-index {
  align-self: start;
  min-width: 0;
}

.page-products .prod-index__title {
  margin: 0 0 0.7rem;
  color: var(--gray-400);
}

.page-products .prod-index__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .prod-index__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--coal-700);
  border-left: 2px solid transparent;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-left-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-products .prod-index__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--gray-400);
  transition: color 0.18s var(--ease);
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--white-050);
  border-left-color: var(--lime-400);
  background: rgba(184, 255, 60, 0.07);
}

.page-products .prod-index__link:hover .prod-index__num,
.page-products .prod-index__link:focus-visible .prod-index__num {
  color: var(--lime-400);
}

.page-products .prod-flow {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  min-width: 0;
}

.page-products .prod-card {
  min-width: 0;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-products .prod-card__title {
  margin: 0 0 1rem;
  font-size: clamp(1.375rem, 4.6vw, 2.05rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.24;
  color: var(--white-050);
}

.page-products .prod-card .prose {
  margin: 0 0 0.9rem;
  color: var(--white-050);
}

.page-products .prod-card .prose a {
  color: var(--lime-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-card .prose a:hover,
.page-products .prod-card .prose a:focus-visible {
  color: var(--lime-400);
}

/* ---------- 展开组 ---------- */
.page-products .prod-expand {
  margin-top: 1.5rem;
  border: 1px solid var(--coal-700);
}

.page-products .prod-expand .expand__btn {
  width: 100%;
}

.page-products .prod-expand .expand__panel {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--coal-700);
}

.page-products .prod-notes {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-products .prod-notes li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray-400);
}

.page-products .prod-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 2px;
  background: var(--lime-400);
}

.page-products .prod-notes b {
  color: var(--white-050);
  font-weight: 600;
}

/* ---------- 评分四项 ---------- */
.page-products .prod-factors {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--coal-700);
  border: 1px solid var(--coal-700);
}

.page-products .prod-factors li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 0.15rem 0.4rem;
  padding: 0.9rem 1rem;
  background: var(--ink-800);
}

.page-products .prod-factors__num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--lime-400);
  padding-top: 0.18rem;
}

.page-products .prod-factors__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .prod-factors__desc {
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--gray-400);
}

/* ---------- 刻度尺 ---------- */
.page-products .prod-scale {
  display: block;
  width: 100%;
  height: auto;
  max-width: 640px;
  margin: 1.8rem 0 0.3rem;
}

.page-products .prod-scale__axis {
  stroke: var(--coal-700);
  stroke-width: 2;
}

.page-products .prod-scale__tick {
  stroke: var(--lime-400);
  stroke-width: 2;
}

.page-products .prod-scale__tick--minor {
  stroke: var(--gray-400);
  stroke-width: 1;
}

.page-products .prod-scale__num {
  fill: var(--gray-400);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
}

.page-products .prod-scale__cap {
  margin: 0 0 1.6rem;
  color: var(--gray-400);
}

/* ---------- 图片 ---------- */
.page-products .prod-fig {
  margin: 1.6rem 0 0;
}

.page-products .prod-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--coal-700);
}

.page-products .prod-fig--inset img {
  aspect-ratio: 9 / 7;
}

.page-products .prod-fig--square img {
  aspect-ratio: 1 / 1;
}

.page-products .prod-fig figcaption {
  display: block;
  margin-top: 0.65rem;
  color: var(--gray-400);
}

/* ---------- 版本对照表 ---------- */
.page-products .prod-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--coal-700);
}

.page-products .prod-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .prod-table__cap {
  caption-side: top;
  text-align: left;
  padding: 0.8rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--gray-400);
  background: var(--ink-800);
  border-bottom: 1px solid var(--coal-700);
}

.page-products .prod-table th,
.page-products .prod-table td {
  text-align: left;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--coal-700);
  vertical-align: top;
  line-height: 1.7;
}

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

.page-products .prod-table thead th {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  background: var(--ink-800);
}

.page-products .prod-table tbody th {
  font-weight: 500;
  color: var(--white-050);
  background: rgba(7, 46, 38, 0.55);
  width: 32%;
}

.page-products .prod-table td {
  color: var(--gray-400);
}

.page-products .prod-table td.is-current {
  color: var(--lime-400);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ---------- 三种用法 ---------- */
.page-products .prod-uses {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.6rem;
}

.page-products .prod-use {
  padding-top: 1rem;
  border-top: 2px solid var(--coal-700);
}

.page-products .prod-use__title {
  margin: 0.5rem 0 0.6rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--white-050);
}

.page-products .prod-use__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray-400);
}

/* ---------- 开通 ---------- */
.page-products .prod-start {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: 1.6rem;
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--coal-700);
  background: var(--ink-800);
}

.page-products .prod-start__body {
  min-width: 0;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-products .prod-steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--white-050);
}

.page-products .prod-steps__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--lime-400);
  padding-top: 0.4rem;
  border-top: 1px solid var(--coal-700);
}

.page-products .prod-start__note {
  margin: 1.4rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray-400);
}

.page-products .prod-start__fig {
  margin: 0;
  min-width: 0;
}

.page-products .prod-start__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--coal-700);
}

.page-products .prod-start__fig figcaption {
  display: block;
  margin-top: 0.65rem;
  color: var(--gray-400);
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 420px) {
  .page-products .prod-stats {
    grid-template-columns: 1fr;
  }

  .page-products .prod-stats li {
    border-right: 0;
    border-bottom: 1px solid var(--coal-700);
    padding-right: 0;
  }

  .page-products .prod-stats li:last-child {
    border-bottom: 0;
  }

  .page-products .prod-factors li {
    grid-template-columns: 1.9rem minmax(0, 1fr);
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(34px, 5vw, 76px);
  }

  .page-products .prod-hero__lead {
    grid-column: 1;
  }

  .page-products .prod-hero__fig {
    grid-column: 2;
  }

  .page-products .prod-body {
    grid-template-columns: 212px minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 68px);
  }

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

  .page-products .prod-index__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
    border-top: 1px solid var(--coal-700);
  }

  .page-products .prod-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-bottom: 1px solid var(--coal-700);
    padding: 0.62rem 0.5rem;
    white-space: normal;
    line-height: 1.5;
  }

  .page-products .prod-index__link:hover,
  .page-products .prod-index__link:focus-visible {
    background: rgba(184, 255, 60, 0.07);
  }

  .page-products .prod-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 2.6vw, 34px);
  }

  .page-products .prod-use:nth-child(2) {
    margin-top: 28px;
  }

  .page-products .prod-use:nth-child(3) {
    margin-top: 56px;
  }

  .page-products .prod-start {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    align-items: start;
  }
}