.page-products {
  --p-rail: 280px;
  --p-gap: clamp(28px, 4vw, 56px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(20px, 3vw, 40px) clamp(48px, 7vw, 96px);
}
.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}
@media (min-width: 1024px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}
.page-products .prod-hero__lead h1 {
  margin: 12px 0 18px;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.02em;
}
.page-products .prod-hero__intro {
  max-width: 48ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.8;
}
.page-products .prod-hero__index {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 28px 0 0;
  padding: 0;
}
.page-products .prod-hero__index a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.875rem;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .prod-hero__index a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-products .prod-hero__index .mono {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}
.page-products .prod-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 640px) {
  .page-products .prod-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-products .prod-hero__facts .stat {
  background: var(--ink-950);
  padding: 16px 14px;
}
.page-products .prod-hero__facts .stat__num {
  font-size: 1.5rem;
}
.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-products .prod-hero__media {
  margin: 0;
}
.page-products .prod-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 章节骨架 ---------- */
.page-products .prod-section {
  padding-block: clamp(48px, 7vw, 104px);
  border-top: 1px solid var(--line);
}
.page-products .prod-section--links {
  border-bottom: 1px solid var(--line);
}
.page-products .aside {
  display: grid;
  gap: var(--p-gap);
}
@media (min-width: 1024px) {
  .page-products .aside {
    grid-template-columns: var(--p-rail) minmax(0, 1fr);
    align-items: start;
  }
}
.page-products .aside__rail {
  display: grid;
  gap: 6px;
}
@media (min-width: 1024px) {
  .page-products .aside__rail {
    position: sticky;
    top: calc(var(--head-h) + 20px);
  }
}
.page-products .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-products .rail-list {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.page-products .rail-list--tight {
  margin-top: 18px;
}
.page-products .rail-list li {
  padding-left: 12px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.page-products .rail-list .mono {
  color: var(--cyan);
  font-size: 0.8125rem;
}
.page-products .rail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .aside__main {
  min-width: 0;
}
.page-products .prod-lead {
  max-width: 62ch;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}
.page-products .prod-note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-deep);
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ---------- 表格 ---------- */
.page-products .prod-table-wrap {
  margin-top: 26px;
  overflow-x: auto;
}
.page-products .prod-table {
  min-width: 760px;
  width: 100%;
}
.page-products .prod-table caption {
  padding-bottom: 10px;
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: left;
}
.page-products .prod-table th,
.page-products .prod-table td {
  padding: 12px 14px;
}
.page-products .prod-table tbody tr:nth-child(even) {
  background: var(--ink-900);
}
.page-products .prod-table tbody tr {
  transition: background var(--dur) var(--ease);
}
.page-products .prod-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}
.page-products .col-month {
  color: var(--cyan);
}
.page-products .col-year {
  background: var(--ink-900);
}
.page-products .prod-table tbody tr:nth-child(even) .col-year {
  background: var(--ink-800);
}
.page-products .col-year strong {
  color: var(--orange);
}

/* 推荐等级色阶 */
.page-products .level-cell {
  white-space: nowrap;
}
.page-products .level {
  display: inline-flex;
  gap: 3px;
  margin-right: 8px;
  vertical-align: middle;
}
.page-products .level i {
  display: block;
  width: 9px;
  height: 9px;
  background: var(--line);
}
.page-products .level--top i {
  background: var(--cyan);
}
.page-products .level--good i {
  background: var(--cyan-deep);
}
.page-products .level--good i:nth-child(3) {
  background: var(--line);
}
.page-products .level--basic i:nth-child(1) {
  background: var(--amber);
}
.page-products .level-text {
  color: var(--muted);
  font-size: 0.8125rem;
}

/* 复制工具条 */
.page-products .prod-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.page-products .prod-tools__label {
  color: var(--muted);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}
.page-products .prod-tools .mono {
  color: var(--cyan);
  font-size: 0.9375rem;
}

/* ---------- 图片 ---------- */
.page-products .prod-media {
  margin: 26px 0 0;
}
.page-products .prod-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* ---------- 设备三节点 ---------- */
.page-products .flow {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
@media (min-width: 820px) {
  .page-products .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}
.page-products .flow-node {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.page-products .flow-node__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-products .flow-node h3 {
  margin: 10px 0 8px;
  font-size: 1.0625rem;
}
.page-products .flow-node p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 权益清单 ---------- */
.page-products .benefit-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
}
.page-products .benefit-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.75;
}
.page-products .benefit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 周期建议 ---------- */
.page-products .pick {
  display: grid;
  margin-top: 22px;
}
.page-products .pick-row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .pick-row:first-child {
  border-top: 1px solid var(--line);
}
@media (min-width: 820px) {
  .page-products .pick-row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) auto;
    align-items: baseline;
    gap: 28px;
  }
}
.page-products .pick-row__scene {
  margin: 0;
  color: var(--text);
  font-size: 1.0625rem;
  font-weight: 700;
}
.page-products .pick-row__why {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}
.page-products .pick-row .tag {
  justify-self: start;
}

/* ---------- 版本时间轴 ---------- */
.page-products .tl {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--line);
  display: grid;
}
.page-products .tl li {
  position: relative;
  padding-bottom: 28px;
}
.page-products .tl li:last-child {
  padding-bottom: 0;
}
.page-products .tl li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ink-950);
  border: 2px solid var(--cyan);
}
.page-products .tl-ver {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-products .tl h3 {
  margin: 6px 0 6px;
  font-size: 1.0625rem;
}
.page-products .tl p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 相关入口 ---------- */
.page-products .prod-cross {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-products .prod-cross li {
  border-bottom: 1px solid var(--line);
}
.page-products .prod-cross a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 18px 0;
  color: var(--text);
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-products .prod-cross a:hover {
  color: var(--cyan);
}
.page-products .prod-cross .mono {
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-hero__index a,
  .page-products .prod-table tbody tr,
  .page-products .prod-cross a {
    transition: none;
  }
}
</main>