.page-products {
  --prod-panel: rgba(11, 35, 32, 0.74);
  --prod-card: linear-gradient(170deg, rgba(20, 58, 51, 0.5), rgba(11, 35, 32, 0.9));
  --prod-cyan-soft: rgba(79, 240, 206, 0.1);
  --prod-orange-soft: rgba(255, 122, 47, 0.1);
  background: var(--ly-ink);
  color: var(--ly-warm);
  overflow-x: clip;
}

.page-products .ly-crumbs {
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--ly-mist);
}

.page-products .ly-crumbs a {
  color: var(--ly-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ly-speed) var(--ly-ease), border-color var(--ly-speed) var(--ly-ease);
}

.page-products .ly-crumbs a:hover,
.page-products .ly-crumbs a:focus-visible {
  color: var(--ly-cyan);
  border-bottom-color: var(--ly-cyan);
}

.page-products .ly-crumbs [aria-current="page"] {
  color: var(--ly-warm);
}

/* ---------- 首屏 ---------- */
.prod-hero {
  position: relative;
  padding: clamp(26px, 4vw, 46px) 0 clamp(26px, 4vw, 48px);
  background:
    radial-gradient(120% 110% at 84% -25%, rgba(79, 240, 206, 0.17), transparent 58%),
    radial-gradient(80% 90% at 2% 105%, rgba(255, 122, 47, 0.1), transparent 62%),
    var(--ly-ink);
  border-bottom: 1px solid var(--ly-line);
}

.prod-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.prod-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 6.4vw, 64px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.prod-hero__title em {
  font-style: normal;
  color: var(--ly-cyan);
}

.prod-hero__lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 62ch;
  color: var(--ly-mist);
}

.prod-hero__panel {
  border: 1px solid var(--ly-line);
  border-left: 2px solid var(--ly-cyan);
  background: linear-gradient(160deg, rgba(20, 58, 51, 0.55), rgba(6, 18, 15, 0.7));
  padding: 6px 18px;
}

.prod-hero__stat {
  display: block;
  padding: 14px 0;
  border-top: 1px solid var(--ly-line);
}

.prod-hero__stat:first-child {
  border-top: 0;
}

.prod-hero__stat .ly-stat__num {
  display: block;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: var(--ly-cyan);
}

.prod-hero__stat .ly-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ly-mist);
}

.prod-hero__media {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.prod-hero__media img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 320px);
  object-fit: cover;
  border-top: 1px solid var(--ly-line);
  border-bottom: 1px solid var(--ly-line);
}

/* ---------- 章节头 ---------- */
.prod-sec-head {
  max-width: 74ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.prod-sec-head__lead {
  margin: 16px 0 0;
  color: var(--ly-mist);
}

/* ---------- 终端入口 ---------- */
.prod-term {
  padding: clamp(46px, 7vw, 92px) 0;
}

.prod-term__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.prod-term__card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--prod-card);
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  transition: border-color var(--ly-speed) var(--ly-ease),
    transform var(--ly-speed) var(--ly-ease),
    background-color var(--ly-speed) var(--ly-ease);
}

.prod-term__card:hover,
.prod-term__card:focus-within {
  border-color: var(--ly-line-strong);
  transform: translateY(-2px);
}

.prod-term__code {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ly-cyan);
}

.prod-term__name {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.4vw, 24px);
}

.prod-term__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ly-mist);
}

.prod-term__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--ly-line);
  display: grid;
  gap: 10px;
}

.prod-term__list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ly-mist);
}

.prod-term__key {
  font-family: var(--ly-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ly-board);
  padding-top: 3px;
}

/* ---------- 兼容清单 ---------- */
.prod-compat {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ly-deep);
  border-top: 1px solid var(--ly-line);
  border-bottom: 1px solid var(--ly-line);
}

.prod-filter {
  position: relative;
}

.prod-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.prod-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--ly-line);
}

.prod-filter__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  font-size: 14px;
  color: var(--ly-mist);
  cursor: pointer;
  transition: color var(--ly-speed) var(--ly-ease),
    border-color var(--ly-speed) var(--ly-ease),
    background-color var(--ly-speed) var(--ly-ease);
}

.prod-filter__item:hover {
  color: var(--ly-warm);
  border-color: var(--ly-line-strong);
}

.prod-filter__item .ly-mono {
  font-size: 12px;
  color: var(--ly-board);
}

.page-products #term-all:checked ~ .prod-filter__bar label[for="term-all"],
.page-products #term-windows:checked ~ .prod-filter__bar label[for="term-windows"],
.page-products #term-macos:checked ~ .prod-filter__bar label[for="term-macos"],
.page-products #term-android:checked ~ .prod-filter__bar label[for="term-android"],
.page-products #term-ios:checked ~ .prod-filter__bar label[for="term-ios"] {
  color: var(--ly-warm);
  border-color: var(--ly-line-strong);
  background: var(--prod-cyan-soft);
  box-shadow: inset 0 -2px 0 var(--ly-cyan);
}

.page-products #term-all:checked ~ .prod-filter__bar label[for="term-all"] .ly-mono,
.page-products #term-windows:checked ~ .prod-filter__bar label[for="term-windows"] .ly-mono,
.page-products #term-macos:checked ~ .prod-filter__bar label[for="term-macos"] .ly-mono,
.page-products #term-android:checked ~ .prod-filter__bar label[for="term-android"] .ly-mono,
.page-products #term-ios:checked ~ .prod-filter__bar label[for="term-ios"] .ly-mono {
  color: var(--ly-cyan);
}

.page-products #term-windows:checked ~ .prod-table .prod-row:not([data-term="windows"]),
.page-products #term-macos:checked ~ .prod-table .prod-row:not([data-term="macos"]),
.page-products #term-android:checked ~ .prod-table .prod-row:not([data-term="android"]),
.page-products #term-ios:checked ~ .prod-table .prod-row:not([data-term="ios"]) {
  display: none;
}

.prod-table__head {
  display: none;
}

.prod-table {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ly-line-strong);
}

.prod-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "num state"
    "device device"
    "engine engine";
  gap: 6px 14px;
  align-items: center;
  padding: 15px 6px;
  border-bottom: 1px solid var(--ly-line);
  transition: background-color var(--ly-speed) var(--ly-ease);
}

.prod-row:hover {
  background: rgba(30, 90, 76, 0.22);
}

.prod-row__num {
  grid-area: num;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ly-board);
}

.prod-row__state {
  grid-area: state;
  justify-self: end;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.prod-row__state--ok {
  color: var(--ly-cyan);
  border-color: rgba(79, 240, 206, 0.42);
  background: var(--prod-cyan-soft);
}

.prod-row__state--warn {
  color: var(--ly-orange);
  border-color: rgba(255, 122, 47, 0.45);
  background: var(--prod-orange-soft);
}

.prod-row__device {
  grid-area: device;
  font-size: 15px;
  color: var(--ly-warm);
}

.prod-row__engine {
  grid-area: engine;
  font-size: 13px;
  color: var(--ly-mist);
}

/* ---------- 版本迭代 ---------- */
.prod-ver {
  position: relative;
  overflow: clip;
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ly-ink);
}

.prod-ver__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
  pointer-events: none;
}

.prod-ver__inner {
  position: relative;
  z-index: 1;
}

.prod-ver__list {
  position: relative;
  display: grid;
  gap: 16px;
  padding-left: 26px;
}

.prod-ver__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(79, 240, 206, 0.05), var(--ly-cyan), rgba(79, 240, 206, 0.05));
}

.prod-ver__card {
  position: relative;
  padding: 20px 20px 22px;
  background: rgba(11, 35, 32, 0.92);
  border: 1px solid var(--ly-line);
  border-left: 2px solid var(--ly-board);
  transition: border-color var(--ly-speed) var(--ly-ease), background-color var(--ly-speed) var(--ly-ease);
}

.prod-ver__card::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--ly-ink);
  border: 1px solid var(--ly-cyan);
}

.prod-ver__card:hover {
  border-color: var(--ly-line-strong);
  border-left-color: var(--ly-cyan);
}

.prod-ver__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.prod-ver__no {
  font-size: 20px;
  color: var(--ly-cyan);
  letter-spacing: 0.04em;
}

.prod-ver__stage {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ly-mist);
  padding: 2px 8px;
  border: 1px solid var(--ly-line);
}

.prod-ver__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.2vw, 24px);
}

.prod-ver__card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}

.prod-ver__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
}

.prod-ver__tags li {
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  color: var(--ly-mist);
  border: 1px solid var(--ly-line);
  transition: color var(--ly-speed) var(--ly-ease), border-color var(--ly-speed) var(--ly-ease);
}

.prod-ver__card:hover .prod-ver__tags li {
  color: var(--ly-cyan);
  border-color: rgba(79, 240, 206, 0.4);
}

/* ---------- 多栏目切换 ---------- */
.prod-switch {
  padding: clamp(46px, 7vw, 92px) 0;
  background: var(--ly-deep);
  border-top: 1px solid var(--ly-line);
  border-bottom: 1px solid var(--ly-line);
}

.prod-switch__text {
  max-width: 70ch;
}

.prod-steps {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.prod-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ly-line);
}

.prod-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.prod-steps__num {
  font-size: 15px;
  color: var(--ly-cyan);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.prod-steps__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.prod-steps__item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}

.prod-switch__fig {
  margin: clamp(28px, 5vw, 46px) 0 0;
}

.prod-switch__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 自查 ---------- */
.prod-check {
  padding: clamp(46px, 7vw, 92px) 0 clamp(36px, 5vw, 64px);
}

.prod-check__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.prod-check__steps {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.prod-check__step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--ly-line);
}

.prod-check__step:last-child {
  border-bottom: 1px solid var(--ly-line);
}

.prod-check__num {
  font-size: 16px;
  color: var(--ly-cyan);
  letter-spacing: 0.06em;
  padding-top: 2px;
}

.prod-check__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
}

.prod-check__step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}

.prod-check__step a {
  color: var(--ly-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 240, 206, 0.45);
  transition: border-color var(--ly-speed) var(--ly-ease);
}

.prod-check__step a:hover,
.prod-check__step a:focus-visible {
  border-bottom-color: var(--ly-cyan);
}

.prod-check__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ly-mist);
  background: rgba(20, 58, 51, 0.55);
  border-left: 2px solid var(--ly-orange);
}

.prod-check__note a {
  color: var(--ly-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, 0.5);
}

.prod-check__note a:hover,
.prod-check__note a:focus-visible {
  border-bottom-color: var(--ly-orange);
}

.prod-check__fig {
  margin: 0;
  position: relative;
}

.prod-check__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ly-line);
}

.prod-check__fig .ly-media__tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ly-mist);
}

/* ---------- 收尾 ---------- */
.prod-next {
  padding: 0 0 clamp(44px, 6vw, 80px);
}

.prod-next .ly-rule {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.prod-next__inner {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.prod-next__fig {
  margin: 0;
}

.prod-next__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ly-line);
}

.prod-next__text h2 {
  margin: 0;
}

.prod-next__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ly-mist);
}

.prod-next__text a {
  color: var(--ly-warm);
  text-decoration: none;
  border-bottom: 1px solid var(--ly-cyan);
  transition: color var(--ly-speed) var(--ly-ease);
}

.prod-next__text a:hover,
.prod-next__text a:focus-visible {
  color: var(--ly-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .prod-term__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prod-next__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .prod-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
  }

  .prod-row {
    grid-template-columns: 76px minmax(0, 1.3fr) minmax(0, 1.1fr) 96px;
    grid-template-areas: "num device engine state";
    padding: 15px 10px;
  }

  .prod-table__head {
    display: grid;
    grid-template-columns: 76px minmax(0, 1.3fr) minmax(0, 1.1fr) 96px;
    gap: 10px;
    padding: 12px 10px;
    font-family: var(--ly-font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--ly-mist);
    border-bottom: 1px solid var(--ly-line);
  }

  .prod-table__head span:last-child {
    text-align: right;
  }

  .prod-check__inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }

  .prod-check__step {
    grid-template-columns: 52px minmax(0, 1fr);
  }
}

@media (min-width: 1040px) {
  .prod-term__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .prod-term__card:nth-child(2),
  .prod-term__card:nth-child(4) {
    margin-top: 22px;
  }

  .prod-ver__card:nth-child(even) {
    margin-left: 40px;
  }

  .prod-ver__list {
    padding-left: 34px;
  }

  .prod-ver__card::before {
    left: -39px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .prod-ver__tags {
    opacity: 0.5;
    transition: opacity var(--ly-speed) var(--ly-ease);
  }

  .prod-ver__card:hover .prod-ver__tags,
  .prod-ver__card:focus-within .prod-ver__tags {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-term__card,
  .page-products .prod-ver__card,
  .page-products .prod-row,
  .page-products .prod-filter__item {
    transition: none;
  }

  .prod-term__card:hover,
  .prod-term__card:focus-within {
    transform: none;
  }
}
<<<END>>>