.page-products {
  --dl-radius: 20px;
  --dl-hair: rgba(11, 27, 58, 0.12);
  --dl-hair-dark: rgba(255, 255, 255, 0.22);
}

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

/* ---------- 通用区块头 ---------- */
.page-products .dl-head {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .dl-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
}

.page-products .dl-head .lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  margin: 0;
}

.page-products .section--cloud .dl-head h2 { color: var(--navy); }
.page-products .section--cloud .dl-head .lede { color: var(--graphite); }
.page-products .section--indigo .dl-head h2,
.page-products .section--dark .dl-head h2 { color: var(--cloud); }
.page-products .section--indigo .dl-head .lede,
.page-products .section--dark .dl-head .lede { color: rgba(247, 244, 239, 0.78); }

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(80px, 11vw, 132px) clamp(44px, 6vw, 76px);
  background-image: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 62%, #0d1f42 100%);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: 68%;
  height: 92%;
  background: linear-gradient(135deg, rgba(255, 90, 31, 0.26), rgba(255, 90, 31, 0) 62%);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .dl-hero .shell { position: relative; z-index: 1; }

.page-products .dl-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 239, 0.66);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .dl-crumbs a {
  color: rgba(247, 244, 239, 0.9);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .dl-crumbs a:hover {
  color: var(--flame);
  border-color: var(--flame);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.page-products .dl-hero__copy .eyebrow { color: var(--gold); }

.page-products .dl-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 6.6vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--cloud);
  margin: 12px 0 20px;
  max-width: 15ch;
}

.page-products .dl-hero__lede {
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.82);
  margin: 0 0 28px;
  max-width: 56ch;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .dl-hero__media {
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-hair-dark);
}

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

.page-products .dl-facts {
  list-style: none;
  margin: clamp(38px, 5vw, 60px) 0 0;
  padding: clamp(22px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--dl-hair-dark);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
}

.page-products .dl-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .dl-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--flame);
}

.page-products .dl-fact__label {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(247, 244, 239, 0.7);
}

/* ---------- 设备选择器 ---------- */
.page-products .dl-devices {
  padding-block: clamp(56px, 8vw, 96px);
}

.page-products .dev-picker { position: relative; }

.page-products .dev-input,
.page-products .sort-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .dev-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .dev-tab {
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--dl-hair);
  background: #fff;
  color: var(--graphite);
  transition: background-color 0.22s var(--ease), border-color 0.22s var(--ease),
    color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-products .dev-tab strong {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .dev-tab span {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sky-deep);
}

.page-products .dev-picker:has(#dev-tv:checked) .dev-tab[for="dev-tv"],
.page-products .dev-picker:has(#dev-tablet:checked) .dev-tab[for="dev-tablet"],
.page-products .dev-picker:has(#dev-phone:checked) .dev-tab[for="dev-phone"] {
  background: var(--navy);
  border-color: var(--flame);
  box-shadow: 0 12px 26px rgba(11, 27, 58, 0.24);
}

.page-products .dev-picker:has(#dev-tv:checked) .dev-tab[for="dev-tv"] strong,
.page-products .dev-picker:has(#dev-tablet:checked) .dev-tab[for="dev-tablet"] strong,
.page-products .dev-picker:has(#dev-phone:checked) .dev-tab[for="dev-phone"] strong {
  color: var(--cloud);
}

.page-products .dev-picker:has(#dev-tv:checked) .dev-tab[for="dev-tv"] span,
.page-products .dev-picker:has(#dev-tablet:checked) .dev-tab[for="dev-tablet"] span,
.page-products .dev-picker:has(#dev-phone:checked) .dev-tab[for="dev-phone"] span {
  color: var(--gold);
}

.page-products #dev-tv:focus-visible ~ .dev-tabs .dev-tab[for="dev-tv"],
.page-products #dev-tablet:focus-visible ~ .dev-tabs .dev-tab[for="dev-tablet"],
.page-products #dev-phone:focus-visible ~ .dev-tabs .dev-tab[for="dev-phone"],
.page-products #sort-league:focus-visible ~ .sort-tabs .sort-tab[for="sort-league"],
.page-products #sort-time:focus-visible ~ .sort-tabs .sort-tab[for="sort-time"],
.page-products #sort-state:focus-visible ~ .sort-tabs .sort-tab[for="sort-state"] {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
}

.page-products .dev-panels { position: relative; }

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

.page-products .dev-picker:has(#dev-tv:checked) .dev-panel--tv,
.page-products .dev-picker:has(#dev-tablet:checked) .dev-panel--tablet,
.page-products .dev-picker:has(#dev-phone:checked) .dev-panel--phone {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.4vw, 34px);
  background: #fff;
  border: 1px solid var(--dl-hair);
  border-left: 4px solid var(--flame);
  border-radius: var(--dl-radius);
  box-shadow: 0 18px 40px rgba(4, 10, 24, 0.08);
}

.page-products .dev-panel h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 25px);
  letter-spacing: -0.015em;
  color: var(--navy);
  margin: 0;
}

.page-products .dev-panel > p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-products .dev-spec {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .dev-spec__row {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--dl-hair);
}

.page-products .dev-spec dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sky-deep);
}

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

/* ---------- 大屏模式 ---------- */
.page-products .dl-bigscreen {
  padding-block: clamp(56px, 8vw, 100px);
  background-image: linear-gradient(200deg, var(--indigo) 0%, #0e2450 70%, var(--navy) 100%);
}

.page-products .dl-bigscreen__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .dl-bigscreen__media {
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-hair-dark);
  box-shadow: var(--shadow-2);
}

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

.page-products .dl-bigscreen__copy .eyebrow { color: var(--gold); }

.page-products .dl-bigscreen__copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--cloud);
  margin: 10px 0 16px;
}

.page-products .dl-bigscreen__copy > p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.8);
}

.page-products .dl-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .dl-checklist li {
  display: grid;
  gap: 6px;
  padding-left: 18px;
  border-left: 2px solid var(--flame);
}

.page-products .dl-checklist strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  color: var(--cloud);
}

.page-products .dl-checklist span {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 244, 239, 0.76);
}

.page-products .dl-checklist--onlight li { border-left-color: var(--flame); }
.page-products .dl-checklist--onlight strong { color: var(--navy); }
.page-products .dl-checklist--onlight span { color: var(--graphite); }

/* ---------- 比分看板 ---------- */
.page-products .dl-board {
  padding-block: clamp(56px, 8vw, 96px);
}

.page-products .dl-board__media {
  margin: 0 0 clamp(26px, 4vw, 40px);
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-hair);
}

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

.page-products .league-grid {
  list-style: none;
  margin: 0 0 clamp(34px, 5vw, 56px);
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--dl-hair);
  border: 1px solid var(--dl-hair);
  border-radius: var(--dl-radius);
  overflow: hidden;
}

.page-products .league-cell {
  background: var(--cloud);
  padding: 22px 20px;
  display: grid;
  gap: 8px;
  transition: background-color 0.22s var(--ease);
}

.page-products .league-cell:hover { background: #fff; }

.page-products .league-cell__idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--flame);
}

.page-products .league-cell h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-products .league-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .board-sort {
  position: relative;
  padding: clamp(22px, 3.4vw, 32px);
  background: #fff;
  border: 1px solid var(--dl-hair);
  border-radius: var(--dl-radius);
  box-shadow: 0 14px 34px rgba(4, 10, 24, 0.06);
}

.page-products .board-sort__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 22px);
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-products .sort-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .sort-tab {
  cursor: pointer;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--dl-hair);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--graphite);
  transition: background-color 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}

.page-products .sort-tab:hover { border-color: var(--flame); color: var(--navy); }

.page-products .board-sort:has(#sort-league:checked) .sort-tab[for="sort-league"],
.page-products .board-sort:has(#sort-time:checked) .sort-tab[for="sort-time"],
.page-products .board-sort:has(#sort-state:checked) .sort-tab[for="sort-state"] {
  background: var(--flame);
  border-color: var(--flame);
  color: var(--navy);
}

.page-products .sort-note {
  display: none;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

.page-products .board-sort:has(#sort-league:checked) .sort-note--league,
.page-products .board-sort:has(#sort-time:checked) .sort-note--time,
.page-products .board-sort:has(#sort-state:checked) .sort-note--state {
  display: block;
}

/* ---------- 集锦同步 ---------- */
.page-products .dl-highlights {
  padding-block: clamp(56px, 8vw, 100px);
}

.page-products .dl-hl__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .dl-hl__copy .eyebrow { color: var(--jade); }

.page-products .dl-hl__copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--cloud);
  margin: 10px 0 16px;
}

.page-products .dl-hl__copy > p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 244, 239, 0.8);
}

.page-products .dl-hl__link {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 244, 239, 0.74);
}

.page-products .dl-hl__link .text-link { color: var(--sky); }

.page-products .dl-hl__media {
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-hair-dark);
  align-self: start;
}

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

/* ---------- 跨设备 ---------- */
.page-products .dl-sync {
  padding-block: clamp(56px, 8vw, 96px);
}

.page-products .dl-sync__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-products .dl-sync__media {
  margin: 0;
  border-radius: var(--dl-radius);
  overflow: hidden;
  border: 1px solid var(--dl-hair);
}

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

.page-products .dl-sync__copy .eyebrow { color: var(--sky-deep); }

.page-products .dl-sync__copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 10px 0 16px;
}

.page-products .dl-sync__copy > p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .dl-sync__note {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(30, 155, 255, 0.08);
  border: 1px solid rgba(30, 155, 255, 0.28);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.01em;
  line-height: 1.7;
  color: var(--navy);
}

/* ---------- 版本条带 ---------- */
.page-products .dl-versions {
  padding-block: clamp(56px, 8vw, 100px);
  background-image: linear-gradient(180deg, var(--indigo) 0%, #0c1e46 100%);
}

.page-products .version-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 2px 22px;
  margin: 0 -4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.34) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-products .version-rail::-webkit-scrollbar { height: 6px; }
.page-products .version-rail::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.08); border-radius: 999px; }
.page-products .version-rail::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.34); border-radius: 999px; }

.page-products .version-card {
  scroll-snap-align: start;
  flex: 0 0 min(78%, 300px);
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px 22px 26px;
  border-radius: var(--dl-radius);
  background: var(--glass);
  border: 1px solid var(--dl-hair-dark);
  backdrop-filter: blur(8px);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-products .version-card:hover {
  transform: translateY(-4px);
  border-color: var(--flame);
}

.page-products .version-card__tag {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--flame);
}

.page-products .version-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.015em;
  color: var(--cloud);
}

.page-products .version-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 244, 239, 0.76);
}

.page-products .version-card--current {
  background: rgba(255, 90, 31, 0.14);
  border-color: rgba(255, 90, 31, 0.62);
}

.page-products .version-card--current .tag {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 安装步骤 ---------- */
.page-products .dl-install {
  padding-block: clamp(56px, 8vw, 96px);
}

.page-products .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--dl-hair);
}

.page-products .install-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-block: clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--dl-hair);
}

.page-products .install-step__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--flame);
}

.page-products .install-detail summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: -0.015em;
  color: var(--navy);
  transition: color 0.22s var(--ease);
}

.page-products .install-detail summary::-webkit-details-marker { display: none; }

.page-products .install-detail summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--flame);
  transition: transform 0.22s var(--ease);
}

.page-products .install-detail[open] summary::after { transform: rotate(45deg); }
.page-products .install-detail summary:hover { color: var(--flame); }

.page-products .install-detail p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 68ch;
}

.page-products .dl-install__next {
  margin: 30px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 74ch;
}

.page-products .dl-install__next .text-link { color: var(--sky-deep); }

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .dl-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .dev-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .dev-panel h3 { grid-column: 1 / -1; }
  .page-products .dev-panel > p { grid-column: 1 / 2; }
  .page-products .dev-spec { grid-column: 2 / 3; }

  .page-products .league-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .page-products .version-card { flex-basis: min(42%, 320px); }
}

@media (min-width: 960px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .dl-bigscreen__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-products .dl-hl__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .dl-sync__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    align-items: center;
  }

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

  .page-products .version-card { flex-basis: min(30%, 340px); }

  .page-products .dl-board__media,
  .page-products .dl-bigscreen__media { border-radius: 24px; }
}

@media (min-width: 1180px) {
  .page-products .dl-hero h1 { font-size: clamp(58px, 5.6vw, 82px); }
  .page-products .dl-sync__grid { gap: 64px; }
  .page-products .league-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .page-products .league-cell { padding: 24px 18px; }
  .page-products .league-cell p { font-size: 13.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dev-tab,
  .page-products .sort-tab,
  .page-products .league-cell,
  .page-products .version-card,
  .page-products .install-detail summary,
  .page-products .install-detail summary::after {
    transition: none;
  }

  .page-products .version-card:hover { transform: none; }
  .page-products .version-rail { scroll-behavior: auto; }
}
<<<END>>>