.page-products {
  --dl-ink-line: var(--line-strong);
  --dl-chip-grad: linear-gradient(118deg, var(--cyan), var(--cyan-deep));
  --dl-gap: clamp(1.5rem, 4vw, 3rem);
  display: block;
}

.page-products .crumbs {
  padding: 1rem 0 0.5rem;
  font-size: var(--t--1);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .crumbs a {
  color: var(--link);
  text-decoration: none;
}

.page-products .crumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding: 1rem 0 clamp(2rem, 5vw, 3.5rem);
}

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

.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.6rem 0 1rem;
  max-width: 14em;
}

.page-products .dl-hero__text {
  font-size: var(--t0);
  line-height: 1.78;
  max-width: 32em;
  color: var(--text);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.75rem;
}

.page-products .dl-hero__points {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 2px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.75rem;
}

.page-products .dl-hero__points li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-products .dl-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--t2);
  font-weight: 700;
  color: var(--gold);
}

.page-products .dl-hero__lbl {
  font-size: var(--t--1);
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 版本概览卡 ---------- */
.page-products .dl-version {
  position: relative;
  padding: 1.35rem 1.35rem 1.6rem;
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow);
  background-color: var(--surface);
  background-image: repeating-linear-gradient(
    135deg,
    var(--stripe) 0 2px,
    transparent 2px 10px
  );
}

.page-products .dl-version__flag {
  display: inline-block;
  margin: 0;
  padding: 0.2rem 0.65rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: var(--t--1);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.page-products .dl-version__num {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(4rem, 21vw, 7.5rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--gold);
  text-align: right;
}

.page-products .dl-version__title {
  margin: 0.4rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: var(--t1);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-products .dl-version__list {
  margin: 0 0 1.35rem;
  display: grid;
  gap: 0.55rem;
}

.page-products .dl-version__row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--line);
  font-size: var(--t--1);
  line-height: 1.55;
}

.page-products .dl-version__row dt {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-products .dl-version__row dd {
  margin: 0;
  color: var(--text);
}

/* ---------- 常用入口索引 ---------- */
.page-products .dl-index {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0;
  background: var(--surface-2);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-products .dl-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .dl-index__item a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num meta";
  align-items: center;
  gap: 0.1rem 0.9rem;
  padding: 0.7rem 0.6rem;
  color: var(--text);
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease),
    background-color 160ms var(--ease);
}

.page-products .dl-index__item a:hover,
.page-products .dl-index__item a:focus-visible {
  transform: translateX(4px);
  border-color: var(--cyan);
  background: var(--surface);
}

.page-products .dl-index__item .figure-number {
  grid-area: num;
  background: var(--moss);
  color: var(--paper);
}

.page-products .dl-index__title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: var(--t1);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .dl-index__meta {
  grid-area: meta;
  font-size: var(--t--1);
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 横向图带 ---------- */
.page-products .dl-band {
  padding: clamp(1.75rem, 5vw, 3rem) 0;
}

.page-products .dl-band__fig {
  margin: 0;
}

/* ---------- 订阅区块 ---------- */
.page-products .dl-sub {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: var(--surface);
  border-top: 2px solid var(--line);
}

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

.page-products .dl-sub__fig {
  margin: 0;
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow);
}

.page-products .dl-sub__body h2,
.page-products .dl-filter h2,
.page-products .dl-device h2,
.page-products .dl-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.9rem;
}

.page-products .dl-sub__text {
  font-size: var(--t0);
  line-height: 1.78;
  max-width: 34em;
  margin-bottom: 1.1rem;
}

.page-products .dl-tree {
  margin: 1.25rem 0;
  border-top: 2px solid var(--line);
}

.page-products .dl-tree__node {
  border-bottom: 2px solid var(--line);
}

.page-products .dl-tree__node summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.8rem 0;
  cursor: pointer;
  font-weight: 800;
  font-size: var(--t0);
  list-style: none;
}

.page-products .dl-tree__node summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-tree__node summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: var(--t1);
}

.page-products .dl-tree__node[open] summary::after {
  content: "−";
}

.page-products .dl-tree__tag {
  margin-left: auto;
  padding: 0.1rem 0.55rem;
  border: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--t--1);
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-products .dl-tree__node p {
  margin: 0 0 0.9rem;
  padding-left: 0.1rem;
  font-size: var(--t--1);
  line-height: 1.75;
  color: var(--muted);
  max-width: 34em;
}

.page-products .dl-meter {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  background: var(--surface-2);
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow-soft);
}

.page-products .dl-meter__head {
  margin: 0 0 0.75rem;
  font-size: var(--t--1);
  line-height: 1.7;
}

.page-products .dl-meter__bar {
  height: 12px;
  background: var(--bg);
  border: 2px solid var(--line);
}

.page-products .dl-meter__fill {
  display: block;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--accent));
}

.page-products .dl-meter__foot {
  margin: 0.55rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--t--1);
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 只看重点场次 ---------- */
.page-products .dl-filter {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: var(--wine);
  color: var(--paper);
  border-top: 2px solid var(--dl-ink-line);
  border-bottom: 2px solid var(--dl-ink-line);
}

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

.page-products .dl-filter h2 {
  color: var(--paper);
}

.page-products .dl-filter__kicker {
  color: var(--amber);
}

.page-products .dl-filter__text {
  font-size: var(--t0);
  line-height: 1.78;
  max-width: 34em;
  color: var(--paper);
  margin-bottom: 1.35rem;
}

.page-products .dl-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.page-products .dl-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  border: 2px solid var(--paper);
  border-radius: 999px;
  font-size: var(--t--1);
  letter-spacing: 0.04em;
  color: var(--paper);
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease),
    border-color 160ms var(--ease);
}

.page-products .dl-chip__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .dl-chip:focus-within {
  outline: 2px solid var(--paper);
  outline-offset: 3px;
}

.page-products .dl-chip:has(> .dl-chip__input:checked) {
  background-image: var(--dl-chip-grad);
  border-color: var(--paper);
  color: var(--paper);
  font-weight: 800;
}

.page-products .dl-chip__input:checked + .dl-chip__text {
  font-weight: 800;
}

.page-products .dl-filter__note {
  font-size: var(--t--1);
  line-height: 1.75;
  color: var(--paper);
  border-left: 4px solid var(--amber);
  padding-left: 0.85rem;
  max-width: 34em;
}

.page-products .dl-filter__fig {
  margin: 0;
  border: 2px solid var(--paper);
  box-shadow: 6px 6px 0 0 rgba(0, 0, 0, 0.45);
}

/* ---------- 安装与升级 ---------- */
.page-products .dl-install {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.page-products .dl-install .section-head {
  margin-bottom: 1.75rem;
}

.page-products .dl-install__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .dl-install__step {
  padding: 1.15rem 1.2rem 1.25rem;
  background: var(--surface);
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow-soft);
}

.page-products .dl-install__step h3 {
  font-family: var(--font-display);
  font-size: var(--t1);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 0.5rem;
}

.page-products .dl-install__step p {
  margin: 0;
  font-size: var(--t--1);
  line-height: 1.75;
  color: var(--muted);
}

.page-products .dl-install__help {
  margin: 1.35rem 0 0;
  font-size: var(--t--1);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .dl-install__help a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本脉络 ---------- */
.page-products .dl-log {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: var(--surface-2);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-products .dl-log__fig {
  margin: 0 0 2rem;
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow);
}

.page-products .dl-log .section-head {
  margin-bottom: 1.25rem;
}

.page-products .dl-log__list {
  border-top: 2px solid var(--dl-ink-line);
}

.page-products .dl-log__item {
  border-bottom: 2px solid var(--line);
}

.page-products .dl-log__item summary {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--t0);
  font-weight: 800;
  line-height: 1.45;
}

.page-products .dl-log__item summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-log__item summary:hover {
  color: var(--cyan);
}

.page-products .dl-log__ver {
  flex: none;
  min-width: 2.6em;
  font-family: var(--font-mono);
  font-size: var(--t--1);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .dl-log__item p {
  margin: 0 0 1rem;
  padding-left: calc(2.6em + 0.85rem);
  font-size: var(--t--1);
  line-height: 1.78;
  color: var(--muted);
  max-width: 40em;
}

/* ---------- 设备与网络 ---------- */
.page-products .dl-device {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

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

.page-products .dl-device__body {
  max-width: 34rem;
}

.page-products .dl-tabs {
  margin: 1.25rem 0 1.5rem;
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow-soft);
  background: var(--surface);
}

.page-products .dl-tabs__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .dl-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--line);
  background: var(--moss);
}

.page-products .dl-tabs__label {
  flex: 1 1 auto;
  padding: 0.6rem 0.9rem;
  font-size: var(--t--1);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
  cursor: pointer;
  text-align: center;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .dl-tabs__label:hover {
  background: var(--cyan-deep);
}

.page-products #dl-plat-1:checked ~ .dl-tabs__bar label[for="dl-plat-1"],
.page-products #dl-plat-2:checked ~ .dl-tabs__bar label[for="dl-plat-2"],
.page-products #dl-plat-3:checked ~ .dl-tabs__bar label[for="dl-plat-3"] {
  background-image: var(--dl-chip-grad);
  color: var(--paper);
}

.page-products .dl-tabs__input:focus-visible ~ .dl-tabs__bar {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-products .dl-tabs__body {
  padding: 1rem 1.1rem 1.15rem;
}

.page-products .dl-tabs__panel {
  display: none;
  margin: 0;
  font-size: var(--t--1);
  line-height: 1.78;
  color: var(--text);
}

.page-products #dl-plat-1:checked ~ .dl-tabs__body .dl-tabs__panel--1,
.page-products #dl-plat-2:checked ~ .dl-tabs__body .dl-tabs__panel--2,
.page-products #dl-plat-3:checked ~ .dl-tabs__body .dl-tabs__panel--3 {
  display: block;
}

.page-products .dl-device__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-products .dl-device__facts li {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 2px solid var(--line);
  font-size: var(--t--1);
  line-height: 1.65;
}

.page-products .dl-device__key {
  color: var(--muted);
  letter-spacing: 0.1em;
}

.page-products .dl-device__val {
  color: var(--text);
}

.page-products .dl-device__fig {
  margin: 0;
  border: 2px solid var(--dl-ink-line);
  box-shadow: var(--shadow);
}

/* ---------- 收束 CTA ---------- */
.page-products .dl-cta {
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--dl-ink-line);
}

.page-products .dl-cta h2 {
  color: var(--paper);
}

.page-products .dl-cta__text p {
  font-size: var(--t0);
  line-height: 1.78;
  max-width: 32em;
  color: var(--paper);
}

.page-products .dl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.75rem;
}

.page-products .dl-cta__links {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 2px solid var(--moss);
  display: grid;
  gap: 0.6rem;
}

.page-products .dl-cta__links a {
  color: var(--cyan);
  font-size: var(--t--1);
  letter-spacing: 0.04em;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-products .dl-cta__links a:hover {
  color: var(--amber);
}

/* ---------- 图片基础 ---------- */
.page-products .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.page-products .media__cap {
  margin: 0.6rem 0 0;
  font-size: var(--t--1);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .dl-filter .media__cap {
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-products .dl-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem 1.5rem;
  }

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

@media (min-width: 960px) {
  .page-products .dl-hero {
    padding-top: 1.5rem;
  }

  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-products .dl-version {
    margin-top: 0.75rem;
    padding: 1.75rem 1.9rem 2rem;
  }

  .page-products .dl-sub__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-products .dl-sub__fig {
    margin-top: 1rem;
  }

  .page-products .dl-filter__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-products .dl-filter__fig {
    margin-top: 1.5rem;
  }

  .page-products .dl-device__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-products .dl-cta__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 1rem 2.5rem;
  }

  .page-products .dl-cta__actions {
    margin: 0;
    justify-content: flex-end;
  }

  .page-products .dl-cta__links {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-index__item a,
  .page-products .dl-chip,
  .page-products .dl-tabs__label {
    transition: none;
  }

  .page-products .dl-index__item a:hover,
  .page-products .dl-index__item a:focus-visible {
    transform: none;
  }
}
<<<END>>>