.page-products {
  --dl-line: rgba(138, 160, 201, .22);
  --dl-line-strong: rgba(138, 160, 201, .44);
  --dl-surface: rgba(242, 233, 216, .045);
  background: var(--c-deep);
  color: var(--c-fog);
  padding-top: var(--header-h);
  overflow-x: clip;
}

.page-products [id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 54px) 0 clamp(42px, 6vw, 82px);
  background:
    radial-gradient(110% 85% at 92% 4%, rgba(46, 242, 214, .16), transparent 58%),
    radial-gradient(85% 75% at 2% 98%, rgba(123, 92, 255, .2), transparent 60%);
}

.page-products .dl-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 48px);
  align-items: center;
}

.page-products .dl-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(31px, 6vw, 58px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--c-fog);
}

.page-products .dl-hero h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-magenta));
}

.page-products .dl-hero-lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.9;
  color: var(--c-mist);
}

.page-products .dl-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .dl-facts li {
  display: grid;
  gap: 4px;
  padding: 4px 0 4px 14px;
  border-left: 2px solid var(--c-cyan);
}

.page-products .dl-facts li:nth-child(2) {
  border-color: var(--c-gold);
}

.page-products .dl-facts li:nth-child(3) {
  border-color: var(--c-magenta);
}

.page-products .dl-fact-num {
  font-size: 24px;
  line-height: 1.15;
  color: var(--c-gold);
}

.page-products .dl-facts li:nth-child(1) .dl-fact-num {
  color: var(--c-cyan);
}

.page-products .dl-facts li:nth-child(3) .dl-fact-num {
  color: var(--c-magenta);
}

.page-products .dl-fact-txt {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-products .dl-hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .dl-hero-figure {
  margin: 0;
  border: 1px solid var(--dl-line-strong);
  background: var(--c-ink);
  position: relative;
}

.page-products .dl-hero-figure::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-violet) 55%, var(--c-magenta));
}

.page-products .dl-hero-figure .figure-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .figure-caption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-mist);
  border-top: 1px solid var(--dl-line);
}

/* ---------- 区块通用 ---------- */
.page-products .dl-band {
  padding: clamp(44px, 6vw, 86px) 0;
  border-top: 1px solid var(--dl-line);
}

.page-products .band-head {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: clamp(24px, 3vw, 44px);
}

.page-products .band-head h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--c-fog);
}

.page-products .band-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 终端切换 ---------- */
.page-products .terminal-switch {
  position: relative;
}

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

.page-products .terminal-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  scrollbar-width: none;
}

.page-products .terminal-tabs::-webkit-scrollbar {
  display: none;
}

.page-products .terminal-tabs label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--dl-line);
  background: var(--dl-surface);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-mist);
  cursor: pointer;
  white-space: nowrap;
  transition: color .25s ease, border-color .25s ease, background-color .25s ease;
}

.page-products .terminal-tabs label:hover {
  border-color: var(--dl-line-strong);
  color: var(--c-fog);
}

.page-products .terminal-tabs label .mono {
  color: var(--c-gold);
}

.page-products #t-web:checked ~ .terminal-tabs label[for="t-web"],
.page-products #t-ios:checked ~ .terminal-tabs label[for="t-ios"],
.page-products #t-android:checked ~ .terminal-tabs label[for="t-android"],
.page-products #t-tv:checked ~ .terminal-tabs label[for="t-tv"] {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-deep);
}

.page-products #t-web:checked ~ .terminal-tabs label[for="t-web"] .mono,
.page-products #t-ios:checked ~ .terminal-tabs label[for="t-ios"] .mono,
.page-products #t-android:checked ~ .terminal-tabs label[for="t-android"] .mono,
.page-products #t-tv:checked ~ .terminal-tabs label[for="t-tv"] .mono {
  color: rgba(2, 4, 10, .55);
}

.page-products .terminal-panel {
  display: none;
}

.page-products #t-web:checked ~ .terminal-panels .terminal-panel--web,
.page-products #t-ios:checked ~ .terminal-panels .terminal-panel--ios,
.page-products #t-android:checked ~ .terminal-panels .terminal-panel--android,
.page-products #t-tv:checked ~ .terminal-panels .terminal-panel--tv {
  display: block;
}

.page-products .terminal-panel-inner {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 2.8vw, 38px);
  border: 1px solid var(--dl-line-strong);
  background:
    linear-gradient(118deg, rgba(46, 242, 214, .08), transparent 42%),
    rgba(2, 4, 10, .55);
}

.page-products .tp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--dl-line);
}

.page-products .tp-ver {
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: .02em;
  color: var(--c-gold);
}

.page-products .tp-lead {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-fog);
}

.page-products .tp-spec {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--dl-line);
  border: 1px solid var(--dl-line);
}

.page-products .tp-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 18px;
  background: var(--c-deep);
}

.page-products .tp-spec dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--c-cyan);
}

.page-products .tp-spec dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-fog);
}

.page-products .copy-btn {
  justify-self: start;
}

/* ---------- 检索 ---------- */
.page-products .filter-bar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
  scrollbar-width: none;
}

.page-products .filter-bar::-webkit-scrollbar {
  display: none;
}

.page-products .filter-chip {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--dl-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--c-mist);
  white-space: nowrap;
}

.page-products .filter-chip.is-on {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-deep);
}

.page-products .search-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 44px);
}

.page-products .search-col h3 {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: clamp(18px, 1.9vw, 22px);
  color: var(--c-fog);
}

.page-products .search-col p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-products .search-col .figure {
  margin: 0;
  border: 1px solid var(--dl-line);
  background: var(--c-ink);
}

.page-products .search-col .figure-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .search-col .figure-caption {
  border-top: 1px solid var(--dl-line);
}

/* ---------- 版本 ---------- */
.page-products .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-products .version-track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .version-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(46, 242, 214, .06));
}

.page-products .version-track li {
  position: relative;
  padding: 0 0 28px 34px;
}

.page-products .version-track li:last-child {
  padding-bottom: 0;
}

.page-products .vt-node {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--c-cyan);
  background: var(--c-deep);
}

.page-products .version-track li:nth-child(2) .vt-node {
  border-color: var(--c-gold);
}

.page-products .version-track li:nth-child(3) .vt-node {
  border-color: var(--c-violet);
}

.page-products .version-track li:nth-child(4) .vt-node {
  border-color: var(--c-magenta);
}

.page-products .version-track .vt-meta {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-products .version-track h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--c-fog);
}

.page-products .version-track p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .version-figure {
  margin: 0;
  border: 1px solid var(--dl-line);
  background: var(--c-ink);
}

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

.page-products .version-figure .figure-caption {
  border-top: 1px solid var(--dl-line);
}

/* ---------- 功能矩阵 ---------- */
.page-products .dl-band--features {
  background: radial-gradient(72% 62% at 88% 0%, rgba(123, 92, 255, .13), transparent 62%);
}

.page-products .feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--dl-line);
  border: 1px solid var(--dl-line);
}

.page-products .feature-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(22px, 2.5vw, 34px);
  background: var(--c-deep);
  transition: background-color .3s ease;
}

.page-products .feature-card:hover {
  background: #0B1130;
}

.page-products .feature-idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-cyan);
}

.page-products .feature-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 19px;
  color: var(--c-fog);
}

.page-products .feature-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 安装 ---------- */
.page-products .install-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 2.8vw, 34px);
}

.page-products .paper-panel.install-panel {
  padding: clamp(24px, 3vw, 40px);
  background: var(--c-paper);
  color: var(--c-inktext);
  border: 1px solid rgba(23, 27, 44, .12);
}

.page-products .install-steps {
  list-style: none;
  counter-reset: istep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .install-steps li {
  counter-increment: istep;
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(23, 27, 44, .78);
}

.page-products .install-steps li::before {
  content: counter(istep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(23, 27, 44, .24);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-inktext);
}

.page-products .install-steps strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-title);
  font-size: 16px;
  color: var(--c-inktext);
}

.page-products .install-note {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(23, 27, 44, .14);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(23, 27, 44, .68);
}

.page-products .install-side {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  align-content: start;
}

.page-products .install-figure {
  margin: 0;
  border: 1px solid var(--dl-line);
  background: var(--c-ink);
}

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

.page-products .install-req {
  border: 1px solid var(--dl-line);
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--dl-surface);
}

.page-products .install-req h3 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-size: 17px;
  color: var(--c-fog);
}

.page-products .install-req ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .install-req li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dl-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .install-req li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .install-req .mono {
  color: var(--c-cyan);
  font-size: 12.5px;
  letter-spacing: .08em;
}

/* ---------- 规则入口 ---------- */
.page-products .rules-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.2vw, 46px);
  padding: clamp(24px, 3.4vw, 48px);
  border: 1px solid var(--dl-line-strong);
  background:
    linear-gradient(128deg, rgba(46, 242, 214, .09), transparent 44%),
    linear-gradient(312deg, rgba(232, 69, 139, .12), transparent 52%);
}

.page-products .rules-copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.24;
  color: var(--c-fog);
}

.page-products .rules-copy p {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

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

.page-products .rules-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  align-content: center;
}

.page-products .rules-facts li {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--dl-line);
}

.page-products .rules-facts li:last-child {
  border-bottom: 0;
}

.page-products .rules-facts .mono {
  font-size: 20px;
  color: var(--c-gold);
}

.page-products .rules-facts span:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .dl-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 620px) {
  .page-products .tp-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 700px) {
  .page-products .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .rules-panel {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: center;
  }
}

@media (min-width: 880px) {
  .page-products .search-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-products .install-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-products .version-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .feature-card,
  .page-products .terminal-tabs label {
    transition: none;
  }
}