.page-products {
  --dl-radius: 2px;
  --dl-soft: rgba(200, 255, 77, .08);
  background:
    radial-gradient(120% 60% at 100% 0%, rgba(76, 201, 255, .09), transparent 60%),
    radial-gradient(90% 50% at 0% 12%, rgba(200, 255, 77, .07), transparent 62%),
    var(--ink-900);
  color: var(--paper);
}

.page-products .section {
  padding-block: 56px;
}

@media (min-width: 900px) {
  .page-products .section {
    padding-block: 96px;
  }
}

.page-products .section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 32px;
  max-width: 880px;
}

.page-products .section-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--lime);
  order: -1;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .section .feature-lede,
.page-products .section .metric-lede,
.page-products .section .league-lede,
.page-products .section .steps-lede,
.page-products .section .version-lede,
.page-products .section .help-lede {
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  padding-top: 24px;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

@media (min-width: 1024px) {
  .page-products .dl-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: start;
  }
}

.page-products .dl-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 18px;
}

.page-products .dl-eyebrow-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--fog);
}

.page-products .dl-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--paper);
  max-width: 22ch;
}

.page-products .dl-lede {
  margin-top: 18px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .version-block {
  margin-top: 28px;
  padding-block: 16px;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
}

.page-products .version-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--fog);
}

.page-products .version-num {
  font-family: var(--font-mono);
  font-size: clamp(56px, 15vw, 128px);
  font-weight: 500;
  line-height: .88;
  letter-spacing: -.045em;
  color: var(--lime);
  text-shadow: 0 0 42px rgba(200, 255, 77, .18);
}

.page-products .version-meta {
  flex: 1 1 180px;
  min-width: 160px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

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

.page-products .hero-visual {
  margin-bottom: 20px;
}

.page-products .hero-visual figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--fog);
}

.page-products .platform-list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .platform-card {
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .platform-card:hover,
.page-products .platform-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: var(--ink-700);
}

.page-products .platform-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.page-products .platform-os {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .platform-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .platform-link {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .platform-link:hover,
.page-products .platform-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 功能矩阵 ---------- */

.page-products .feature-board {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-products .feature-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.page-products .feature-item {
  background: var(--ink-900);
  padding: 22px 20px 26px;
  transition: background var(--dur) var(--ease);
}

.page-products .feature-item:hover {
  background: var(--ink-800);
}

.page-products .feature-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
  margin-bottom: 12px;
}

.page-products .feature-name {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.25;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-products .feature-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 评测双列 ---------- */

.page-products .metric-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 960px) {
  .page-products .metric-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 48px;
    align-items: start;
  }
}

.page-products .metric-sheet {
  list-style: none;
  counter-reset: metric;
}

.page-products .metric-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

@media (min-width: 720px) {
  .page-products .metric-row {
    grid-template-columns: 40px minmax(112px, .8fr) minmax(0, 1.6fr) auto;
    align-items: center;
    gap: 16px;
  }
}

.page-products .metric-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  letter-spacing: .06em;
}

.page-products .metric-name {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-products .metric-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

.page-products .metric-flag {
  justify-self: start;
  white-space: nowrap;
}

.page-products .metric-visual {
  background: var(--ink-800);
}

.page-products .metric-visual figcaption,
.page-products .steps-visual figcaption,
.page-products .league-visual figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--fog);
}

.page-products .metric-foot {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 2px solid var(--lime);
  background: var(--dl-soft);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 联赛分层 ---------- */

.page-products .league-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 960px) {
  .page-products .league-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: 48px;
    align-items: start;
  }
}

.page-products .league-tree {
  display: grid;
  gap: 10px;
}

.page-products .tier {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--dl-radius);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .tier[open] {
  border-left-color: var(--lime);
  background: var(--ink-700);
}

.page-products .tier-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .tier-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
  line-height: 1;
}

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

.page-products .tier-summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-products .tier-name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .tier-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--blue);
}

.page-products .tier-body {
  padding: 0 18px 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .league-visual {
  background: var(--ink-800);
}

/* ---------- 上手三步 ---------- */

.page-products .steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

@media (min-width: 900px) {
  .page-products .steps-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 48px;
    align-items: center;
  }
}

.page-products .steps {
  list-style: none;
  display: grid;
  gap: 14px;
}

@media (min-width: 900px) {
  .page-products .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--dl-radius);
    overflow: hidden;
  }
}

.page-products .step {
  position: relative;
  padding: 20px 18px 24px;
  background: var(--ink-800);
  border-left: 3px solid var(--line);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .step:hover {
  border-left-color: var(--lime);
  background: var(--ink-700);
}

.page-products .step-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--lime);
  margin-bottom: 12px;
}

.page-products .step-name {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-products .step-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .steps-visual {
  background: var(--ink-800);
}

/* ---------- 版本演进 ---------- */

.page-products .version-section {
  background: linear-gradient(180deg, rgba(14, 42, 34, 0) 0%, rgba(14, 42, 34, .7) 40%, rgba(14, 42, 34, 0) 100%);
}

.page-products .timeline {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px dashed var(--line);
}

@media (min-width: 900px) {
  .page-products .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 32px;
    border-top: none;
  }
}

.page-products .tl-item {
  position: relative;
  padding: 22px 0 26px 18px;
  border-left: 1px dashed var(--line);
}

@media (min-width: 900px) {
  .page-products .tl-item {
    padding: 26px 0 0;
    border-left: none;
    border-top: 2px solid var(--line);
  }
}

.page-products .tl-item::before {
  content: "";
  position: absolute;
  top: 26px;
  left: -5px;
  width: 9px;
  height: 9px;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: 50%;
}

@media (min-width: 900px) {
  .page-products .tl-item::before {
    top: -6px;
    left: 0;
  }
}

.page-products .tl-item--current::before {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 77, .16);
}

.page-products .tl-version {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--blue);
  margin-bottom: 10px;
}

.page-products .tl-item--current .tl-version {
  color: var(--lime);
}

.page-products .tl-name {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-products .tl-body p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

/* ---------- 问题指向 ---------- */

.page-products .help-strip {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 860px) {
  .page-products .help-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .help-item {
  padding: 20px 18px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  border-radius: var(--dl-radius);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .help-item:hover,
.page-products .help-item:focus-within {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-products .help-name {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .help-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fog);
  flex: 1 1 auto;
}

.page-products .help-link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .help-link:hover,
.page-products .help-link:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 下一步 ---------- */

.page-products .next-section {
  padding-bottom: 72px;
}

.page-products .next-cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--dl-radius);
  background: var(--ink-800);
  min-height: 260px;
  display: flex;
  align-items: flex-end;
}

.page-products .next-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.55) brightness(.7);
}

.page-products .next-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7, 26, 21, .94) 0%, rgba(7, 26, 21, .72) 52%, rgba(7, 26, 21, .38) 100%);
}

.page-products .next-inner {
  position: relative;
  z-index: 1;
  padding: 28px 22px 30px;
  max-width: 640px;
}

@media (min-width: 900px) {
  .page-products .next-inner {
    padding: 40px 40px 44px;
  }
}

.page-products .next-inner .section-title {
  margin-top: 8px;
}

.page-products .next-lede {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .next-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 22px;
}

.page-products .next-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .next-link:hover,
.page-products .next-link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 通用收口 ---------- */

.page-products .btn:focus-visible,
.page-products .platform-link:focus-visible,
.page-products .help-link:focus-visible,
.page-products .next-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 480px) {
  .page-products .version-num {
    font-size: clamp(48px, 17vw, 72px);
  }

  .page-products .dl-title {
    max-width: none;
  }

  .page-products .next-actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<PAGE_CSS_END>>>