.page-products {
  --prod-cut: 20px;
  --prod-glow: rgba(200, 255, 61, 0.14);
  --prod-warm: rgba(255, 154, 60, 0.2);
  color: var(--c-body);
  font-family: var(--f-body);
}

.page-products .mono {
  font-family: var(--f-mono);
  letter-spacing: 0.04em;
}

/* 面包屑 */
.page-products .prod-crumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px var(--pad-x) 0;
}

/* 首屏框景 */
.page-products .prod-hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(20px, 3.5vw, 40px) var(--pad-x) clamp(28px, 4vw, 48px);
  display: grid;
  gap: var(--gap);
}

.page-products .prod-hero__frame {
  position: relative;
  padding: clamp(22px, 3.4vw, 44px);
  background:
    radial-gradient(130% 100% at 0% 0%, var(--prod-glow), transparent 58%),
    linear-gradient(155deg, var(--c-stand), var(--c-ink) 74%);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  overflow: hidden;
}

.page-products .prod-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: repeating-linear-gradient(to bottom, var(--c-lime) 0 12px, transparent 12px 26px);
  opacity: 0.55;
}

.page-products .prod-hero__frame > * {
  position: relative;
}

.page-products .prod-hero h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--c-white);
}

.page-products .prod-hero__lead {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  max-width: 58ch;
  color: var(--c-body);
}

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

.page-products .prod-hero__note {
  margin: 20px 0 0;
  font-size: 12px;
  color: var(--c-muted);
}

.page-products .prod-hero__note strong {
  color: var(--c-lime);
  font-weight: 700;
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .prod-stat {
  background: var(--c-panel);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .prod-stat__num {
  font-size: 30px;
  line-height: 1;
  color: var(--c-lime);
  font-weight: 500;
}

.page-products .prod-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-muted);
}

/* 章节索引条 */
.page-products .prod-index {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-products .prod-index a {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--c-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .prod-index a .mono {
  color: var(--c-line-soft);
  font-size: 11px;
}

.page-products .prod-index a:hover,
.page-products .prod-index a:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-products .prod-index a:hover .mono,
.page-products .prod-index a:focus-visible .mono {
  color: var(--c-lime-dim);
}

/* 章节通用 */
.page-products .prod-sec {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 76px) var(--pad-x);
}

.page-products .prod-sec .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .prod-lead-row {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .prod-lead-row p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-body);
}

/* 注释窄带 */
.page-products .prod-band {
  font-family: var(--f-mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--c-muted);
  background: var(--c-stand);
  border-left: 2px solid var(--c-lime);
  padding: 14px 18px;
  margin: 26px 0 0;
}

/* 三条规则 */
.page-products .prod-rules {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .prod-rule {
  background: var(--c-panel);
  padding: 18px 18px 16px;
}

.page-products .prod-rule__idx {
  display: inline-block;
  font-size: 11px;
  color: var(--c-lime);
  border: 1px solid var(--c-line-soft);
  padding: 2px 8px;
  margin-bottom: 10px;
}

.page-products .prod-rule p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-body);
}

/* 功能矩阵表 */
.page-products .prod-matrix-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-matrix thead th {
  background: var(--c-stand);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-line);
  white-space: nowrap;
}

.page-products .prod-matrix tbody th {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-lime);
  background: var(--c-panel);
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
  border-right: 1px solid var(--c-line);
  white-space: nowrap;
  vertical-align: top;
}

.page-products .prod-matrix tbody td {
  padding: 14px 16px;
  line-height: 1.65;
  color: var(--c-body);
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}

.page-products .prod-matrix tbody tr:hover td {
  background: var(--c-stand);
}

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

/* 图片容器局部修饰 */
.page-products .media {
  border: 1px solid var(--c-line);
  background: var(--c-ink);
  margin: 0;
  overflow: hidden;
}

.page-products .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-figure {
  margin-top: clamp(22px, 3vw, 34px);
}

/* 切换章节 */
.page-products .prod-switch-grid {
  display: grid;
  gap: var(--gap);
}

.page-products .prod-switch-list {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .prod-switch-item {
  background: var(--c-stand);
  padding: 18px;
}

.page-products .prod-switch-item__k {
  display: inline-block;
  font-size: 11px;
  color: var(--c-lime);
  border: 1px solid var(--c-line-soft);
  padding: 3px 9px;
  margin-bottom: 10px;
}

.page-products .prod-switch-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .prod-compare-card {
  position: relative;
  border: 1px solid var(--c-lime-dim);
  background: linear-gradient(165deg, var(--c-panel), var(--c-ink) 82%);
  padding: 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--prod-cut)), calc(100% - var(--prod-cut)) 100%, 0 100%);
}

.page-products .prod-compare-card__k {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-products .prod-compare-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .prod-compare-card__note {
  margin-top: 12px !important;
  font-size: 12.5px !important;
  color: var(--c-muted) !important;
  padding-left: 12px;
  border-left: 1px solid var(--c-line-soft);
}

.page-products .prod-compare-card .media {
  margin-top: 18px;
}

/* 三列小时间轴 */
.page-products .prod-tls {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin-top: var(--gap);
}

.page-products .prod-tl {
  background: var(--c-panel);
  padding: 18px;
}

.page-products .prod-tl__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-lime);
}

.page-products .prod-tl__track {
  position: relative;
  height: 2px;
  background: var(--c-line-soft);
  margin: 26px 6px 16px;
}

.page-products .prod-tl__dot {
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-line-soft);
  transform: translate(-50%, -50%);
}

.page-products .prod-tl__dot--on {
  background: var(--c-orange);
  box-shadow: 0 0 0 4px var(--prod-warm);
}

.page-products .prod-tl__cap {
  margin: 0;
  font-size: 12.5px;
  color: var(--c-muted);
  line-height: 1.6;
}

/* 集锦与检索 */
.page-products .prod-clip-grid {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .prod-search,
.page-products .prod-clips {
  background: var(--c-stand);
  padding: 22px 20px;
}

.page-products .prod-search__k,
.page-products .prod-clips__k {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-lime);
  border-bottom: 1px solid var(--c-lime-dim);
  padding-bottom: 4px;
  margin: 0 0 14px;
}

.page-products .prod-search p,
.page-products .prod-clips p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-body);
}

.page-products .prod-suggest {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-products .prod-suggest li {
  background: var(--c-panel);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-body);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
}

.page-products .prod-suggest li .mono {
  font-size: 12px;
  color: var(--c-lime-dim);
}

.page-products .prod-search__note {
  font-size: 12.5px !important;
  color: var(--c-muted) !important;
  margin-bottom: 0 !important;
}

.page-products .prod-clips p:last-of-type {
  margin-bottom: 16px;
}

/* 版本 */
.page-products .prod-vers {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .prod-ver {
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-products .prod-ver[open] {
  border-color: var(--c-lime-dim);
  background: linear-gradient(160deg, rgba(200, 255, 61, 0.06), var(--c-panel) 70%);
}

.page-products .prod-ver > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    "no hint";
  column-gap: 16px;
  row-gap: 4px;
  align-items: baseline;
}

.page-products .prod-ver > summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-ver__no {
  grid-area: no;
  font-size: 22px;
  line-height: 1;
  color: var(--c-lime);
  font-weight: 500;
}

.page-products .prod-ver__title {
  grid-area: title;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-products .prod-ver__hint {
  grid-area: hint;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-products .prod-ver__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--c-line);
  padding-top: 14px;
  margin-top: 4px;
}

.page-products .prod-ver__body p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-products .prod-ver__body p:last-child {
  margin-bottom: 0;
}

/* 新旧路径 */
.page-products .prod-paths {
  display: grid;
  gap: var(--gap);
}

.page-products .prod-path {
  border: 1px solid var(--c-line);
  background: var(--c-stand);
  padding: 20px;
}

.page-products .prod-path--new {
  border-color: var(--c-lime-dim);
  background: linear-gradient(160deg, rgba(200, 255, 61, 0.09), var(--c-stand) 72%);
}

.page-products .prod-path__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-products .prod-path--new .prod-path__k {
  color: var(--c-lime);
}

.page-products .prod-path__steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .prod-step {
  position: relative;
  padding: 9px 0 9px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}

.page-products .prod-step::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  border-left: 1px dashed var(--c-line-soft);
}

.page-products .prod-step:first-child::before {
  top: 50%;
}

.page-products .prod-step:last-child::before {
  bottom: 50%;
}

.page-products .prod-step__dot {
  position: absolute;
  left: 1px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 1px solid var(--c-line-soft);
  transform: translateY(-50%);
}

.page-products .prod-path--new .prod-step__dot {
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.page-products .prod-step__name {
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-body);
}

.page-products .prod-step__meta {
  font-size: 11px;
  color: var(--c-muted);
  border: 1px solid var(--c-line);
  padding: 1px 7px;
}

.page-products .prod-path--new .prod-step__meta {
  color: var(--c-lime-dim);
  border-color: var(--c-line-soft);
}

/* 移动端与桌面端 */
.page-products .prod-device-grid {
  display: grid;
  gap: var(--gap);
}

.page-products .prod-device-item {
  border-top: 1px solid var(--c-line);
  padding-top: 16px;
  margin-bottom: 18px;
}

.page-products .prod-device-item__k {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-lime);
  margin-bottom: 10px;
}

.page-products .prod-device-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-body);
}

.page-products .prod-device-copy .prod-band {
  margin-top: 4px;
}

.page-products .prod-device-figure {
  margin: 0;
}

/* 后续入口 */
.page-products .prod-next {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 64px) var(--pad-x) clamp(56px, 7vw, 88px);
}

.page-products .prod-next h2 {
  margin-bottom: clamp(18px, 2.5vw, 26px);
}

.page-products .prod-next__grid {
  display: grid;
  gap: 12px;
}

.page-products .prod-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.page-products .prod-next__card:hover,
.page-products .prod-next__card:focus-visible {
  border-color: var(--c-lime);
  background: var(--c-stand);
  transform: translateY(-2px);
}

.page-products .prod-next__k {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-lime-dim);
}

.page-products .prod-next__t {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-body);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-products .prod-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-tls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-vers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面及以上 */
@media (min-width: 1024px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-hero__stats {
    height: 100%;
    align-content: stretch;
  }

  .page-products .prod-lead-row {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-products .prod-lead-row .prod-band {
    margin-top: 0;
  }

  .page-products .prod-switch-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-products .prod-clip-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

  .page-products .prod-vers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-device-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .prod-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-next__card {
    transition: none;
  }
}
<<<END>>>