.page-products {
  --dl-gap: clamp(20px, 3.4vw, 44px);
  --dl-pad: clamp(18px, 3vw, 32px);
  color: var(--c-ink);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--c-mist);
}
.page-products .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-products .breadcrumb a:hover { color: var(--c-signal-soft); }
.page-products .breadcrumb__sep { color: var(--c-line); }
.page-products .breadcrumb__current { color: var(--c-silver); }

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 5vw, 56px);
  border-bottom: var(--hairline);
}
.page-products .dl-hero__eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-signal);
  text-transform: uppercase;
}
.page-products .dl-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 7.4vw, 92px);
  line-height: 1.02;
  letter-spacing: .045em;
  color: var(--c-ink);
}
.page-products .dl-hero__lead {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-silver);
}
.page-products .dl-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(20px, 4vw, 48px);
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: var(--hairline);
}
.page-products .dl-hero__meta div { display: flex; flex-direction: column; gap: 5px; }
.page-products .dl-hero__meta dt {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-products .dl-hero__meta dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-ink);
}

/* ---------- 编辑部骨架 ---------- */
.page-products .dl-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dl-gap);
  padding-top: clamp(30px, 5vw, 56px);
}

/* ---------- 侧栏索引 ---------- */
.page-products .dl-index {
  position: relative;
}
.page-products .dl-index .rail-note {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-products .dl-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-products .dl-index__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: var(--hairline);
  border-left: 2px solid var(--c-signal);
  background: var(--c-stand);
  color: var(--c-silver);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products .dl-index__item .num {
  font-size: 11px;
  color: var(--c-signal);
}
.page-products .dl-index__item:hover,
.page-products .dl-index__item:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-signal);
  transform: translateY(-2px);
}
.page-products .dl-index__foot {
  display: none;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}
.page-products .dl-index__foot a { color: var(--c-grass-soft); }

/* ---------- 章节通用 ---------- */
.page-products .dl-section {
  padding-bottom: clamp(36px, 5vw, 64px);
  margin-bottom: clamp(36px, 5vw, 64px);
  border-bottom: var(--hairline);
}
.page-products .dl-section:last-child { border-bottom: 0; margin-bottom: 0; }
.page-products .dl-section .lead {
  max-width: 66ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-silver);
}
.page-products .dl-section .lead b { color: var(--c-signal-soft); font-weight: 400; }
.page-products .dl-section__media { margin: clamp(22px, 3.4vw, 36px) 0 0; }

/* ---------- 筛选 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}
.page-products .filter-btn {
  padding: 8px 16px;
  border: var(--hairline);
  background: transparent;
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .filter-btn:hover { color: var(--c-ink); border-color: var(--c-silver); }
.page-products .filter-btn[aria-pressed="true"] {
  color: var(--c-dusk);
  background: var(--c-signal);
  border-color: var(--c-signal);
}
.page-products .filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mist);
}
.page-products .filter-empty {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--c-mist);
}

/* ---------- 三端入口 ---------- */
.page-products .dl-endpoints {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border: var(--hairline);
}
.page-products .dl-endpoint {
  padding: var(--dl-pad);
  background: var(--c-dusk);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products .dl-endpoint:hover {
  background: var(--c-stand);
  transform: translateY(-2px);
}
.page-products .dl-endpoint[hidden] { display: none; }
.page-products .dl-endpoint__no {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-signal);
}
.page-products .dl-endpoint__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
  letter-spacing: .05em;
  color: var(--c-ink);
}
.page-products .dl-endpoint__head {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--c-grass-soft);
}
.page-products .dl-endpoint__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-products .dl-endpoint__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-silver);
}
.page-products .dl-endpoint__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 1px;
  background: var(--c-signal);
}
.page-products .dl-endpoint__meta {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--hairline);
  font-size: 12.5px;
  color: var(--c-mist);
}

/* ---------- 核心功能 ---------- */
.page-products .dl-feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--hairline);
}
.page-products .dl-feature {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 3vw, 30px);
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: var(--hairline);
  transition: background var(--dur) var(--ease);
}
.page-products .dl-feature:hover { background: var(--c-stand); }
.page-products .dl-feature__no {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-signal);
  padding-top: 4px;
}
.page-products .dl-feature__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: .05em;
  color: var(--c-ink);
}
.page-products .dl-feature__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-silver);
}

/* ---------- 历史交锋 ---------- */
.page-products .dl-h2h {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
}
.page-products .dl-h2h__filters { margin-top: 26px; }
.page-products .dl-h2h__filters-title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-mist);
}
.page-products .dl-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--c-grass);
  background: rgba(46, 158, 126, .1);
  color: var(--c-grass-soft);
  font-size: 13.5px;
}
.page-products .chip .num { font-size: 12px; color: var(--c-grass-soft); }

.page-products .dl-h2h__chart {
  margin-top: 30px;
  padding: clamp(16px, 2.4vw, 24px);
  border: var(--hairline);
  background: var(--c-stand);
}
.page-products .dl-h2h__chart-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-products .dl-h2h__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.page-products .dl-grid-line {
  stroke: var(--c-line);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}
.page-products .dl-h2h__line {
  fill: none;
  stroke: var(--c-signal);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.page-products .dl-h2h__dots circle {
  fill: var(--c-dusk);
  stroke: var(--c-signal-soft);
  stroke-width: 2;
}
.page-products .dl-h2h__dot--now {
  fill: var(--c-signal);
  stroke: var(--c-signal-soft);
  stroke-width: 3;
}
.page-products .dl-h2h .note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 规则说明 ---------- */
.page-products .dl-rules {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
.page-products .dl-rules__preview { display: grid; gap: 12px; }
.page-products .dl-rules__preview .note {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--c-mist);
}
.page-products .fold {
  border: var(--hairline);
  background: var(--c-stand);
}
.page-products .fold__summary {
  padding: 14px 18px;
  font-size: 15px;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-products .fold__summary::-webkit-details-marker { display: none; }
.page-products .fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-signal);
  transition: transform var(--dur) var(--ease);
}
.page-products .fold[open] .fold__summary::before { content: "–"; }
.page-products .fold__body {
  padding: 0 18px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
}
.page-products .fold__body p { margin: 0; }

/* ---------- 版本路线 ---------- */
.page-products .dl-route {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  border-top: 2px solid var(--c-line);
  position: relative;
}
.page-products .dl-route__item {
  position: relative;
  flex: 1 0 240px;
  padding: 30px 20px 0 0;
  scroll-snap-align: start;
}
.page-products .dl-route__item::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-dusk);
  border: 2px solid var(--c-signal);
  transition: transform var(--dur) var(--ease);
}
.page-products .dl-route__item--now::before {
  background: var(--c-signal);
  border-color: var(--c-signal-soft);
  width: 18px;
  height: 18px;
  top: -10px;
  box-shadow: 0 0 0 5px rgba(240, 128, 60, .16);
}
.page-products .dl-route__v {
  display: block;
  font-size: 20px;
  letter-spacing: .08em;
  color: var(--c-signal);
}
.page-products .dl-route__item--now .dl-route__v { color: var(--c-signal-soft); font-size: 24px; }
.page-products .dl-route__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: .05em;
  color: var(--c-ink);
}
.page-products .dl-route__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-silver);
}
.page-products .dl-route__media { margin-top: clamp(22px, 3vw, 34px); }

/* ---------- 设备与网络 ---------- */
.page-products .dl-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
.page-products .dl-table {
  width: 100%;
  border-collapse: collapse;
  border: var(--hairline);
}
.page-products .dl-table__caption {
  caption-side: top;
  padding: 0 0 12px;
  text-align: left;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-products .dl-table th,
.page-products .dl-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: var(--hairline);
}
.page-products .dl-table thead th {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-mist);
  text-transform: uppercase;
  font-weight: 400;
  background: var(--c-stand);
}
.page-products .dl-table tbody tr:nth-child(even) { background: rgba(22, 39, 61, .5); }
.page-products .dl-table tbody tr:last-child td { border-bottom: 0; }
.page-products .dl-table td:first-child { color: var(--c-ink); }
.page-products .dl-table td:last-child { color: var(--c-silver); }
.page-products .dl-table .num { color: var(--c-grass-soft); font-size: 13.5px; }

/* ---------- 底部动作 ---------- */
.page-products .dl-cta {
  margin-top: clamp(26px, 3.4vw, 42px);
  padding: clamp(20px, 3vw, 30px);
  border: var(--hairline);
  border-left: 3px solid var(--c-signal);
  background: var(--c-stand);
}
.page-products .dl-cta__text {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
}
.page-products .dl-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}
.page-products .dl-cta__links .btn { text-decoration: none; }

/* ---------- 显现动画 ---------- */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .dl-endpoints { grid-template-columns: repeat(3, 1fr); }
  .page-products .dl-rules { grid-template-columns: 1.35fr 1fr; }
  .page-products .dl-devices { grid-template-columns: 1.4fr 1fr; }
}

@media (min-width: 860px) {
  .page-products .dl-layout {
    grid-template-columns: var(--rail) minmax(0, 1fr);
  }
  .page-products .dl-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }
  .page-products .dl-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: var(--hairline);
    padding-bottom: 0;
  }
  .page-products .dl-index__item {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 10px 12px;
  }
  .page-products .dl-index__item:hover,
  .page-products .dl-index__item:focus-visible {
    background: var(--c-stand);
    transform: none;
  }
  .page-products .dl-index__foot { display: block; }

  .page-products .dl-h2h {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
  .page-products .dl-h2h__media { order: 2; }
  .page-products .dl-h2h__copy { order: 1; }
  .page-products .dl-rules__media { margin-top: 4px; }
}

@media (min-width: 1080px) {
  .page-products .dl-h2h {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
  .page-products .dl-feature {
    grid-template-columns: 84px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] { opacity: 1; transform: none; transition: none; }
  .page-products .dl-endpoint:hover,
  .page-products .dl-index__item:hover { transform: none; }
}
</final>