.page-products {
  color: var(--text);
  background: var(--void);
}

/* ============ 吸顶版本条 ============ */
.page-products .vstrip {
  position: sticky;
  top: 0;
  z-index: 9;
  background: linear-gradient(180deg, rgba(18, 23, 29, .98), rgba(10, 13, 18, .9));
  border-bottom: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.page-products .vstrip-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  min-height: 52px;
  padding-block: 10px;
}
.page-products .vstrip-version {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: .02em;
  text-shadow: 0 0 18px var(--cyan-soft);
}
.page-products .vstrip-os {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .04em;
  margin-left: auto;
}
@media (max-width: 560px) {
  .page-products .vstrip-os { margin-left: 0; flex-basis: 100%; }
}

/* ============ 首屏 ============ */
.page-products .pd-hero {
  padding-top: clamp(24px, 4.5vw, 52px);
  padding-bottom: clamp(24px, 4vw, 44px);
}
.page-products .pd-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}
.page-products .pd-hero-copy { min-width: 0; }
.page-products .display--xl {
  font-family: var(--font-display);
  font-size: clamp(28px, 6.4vw, 56px);
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: .3em 0 .5em;
}
.page-products .lede {
  color: var(--text-dim);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
}
.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}
.page-products .pd-hero-figure {
  border-left: 2px solid var(--clay);
  padding-left: clamp(10px, 1.4vw, 16px);
}
.page-products .figure-frame {
  display: block;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(138, 92, 255, .12), transparent 45%),
    linear-gradient(315deg, rgba(43, 227, 210, .1), transparent 55%),
    var(--slate-deep);
  overflow: hidden;
}
.page-products .figure-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .figure-caption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.65;
}
@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ============ 章节索引 ============ */
.page-products .toc {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--slate-deep);
}
.page-products .toc-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-block: 12px;
}
.page-products .toc-title {
  color: var(--mist);
  flex: 0 0 auto;
}
.page-products .toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .toc-link {
  font-size: 13.5px;
  color: var(--text-dim);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.page-products .toc-link:hover,
.page-products .toc-link.is-current {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ============ 通用章节容器微调 ============ */
.page-products .section {
  padding-block: clamp(38px, 6vw, 76px);
}
.page-products .section-head { max-width: 68ch; }
.page-products .section-head .display--lg {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 38px);
  font-weight: 200;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: .28em 0 .55em;
}
.page-products .section-head .measure {
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-products .figure + .module-grid,
.page-products + .download-grid,
.page-products .section-head + .fee-layout {
  margin-top: clamp(24px, 4vw, 40px);
}
.page-products .figure--wide { margin: clamp(22px, 3.4vw, 34px) 0 0; }

/* ============ 费用区 ============ */
.page-products .fee-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
.page-products .fee-figure { margin: 0; }
.page-products .fee-table {
  display: grid;
  gap: 10px;
}
.page-products .fee-row {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--slate);
  transition: border-left-color .25s var(--ease), transform .25s var(--ease), background-color .25s var(--ease);
}
.page-products .fee-row:hover {
  border-left-color: var(--magenta);
  transform: translateX(5px);
  background: var(--slate-deep);
}
.page-products .fee-row > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "tier diff" "price diff";
  gap: 2px 12px;
  align-items: center;
  padding: 15px 16px;
}
.page-products .fee-row > summary::-webkit-details-marker { display: none; }
.page-products .fee-tier {
  grid-area: tier;
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: .02em;
}
.page-products .fee-price {
  grid-area: price;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  color: var(--paper);
  letter-spacing: .01em;
}
.page-products .fee-diff {
  grid-area: diff;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--magenta);
  border: 1px solid rgba(255, 61, 129, .42);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.page-products .fee-diff--plain {
  color: var(--mist);
  border-color: var(--line);
}
.page-products .fee-detail {
  padding: 12px 16px 16px;
  margin: 0 0 0;
  border-top: 1px dashed var(--line);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.78;
}
.page-products .fee-detail p { margin: 0; }
.page-products .note-block {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 15px 20px;
  border-left: 2px solid var(--clay);
  background: rgba(193, 102, 63, .08);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.78;
}
@media (min-width: 860px) {
  .page-products .fee-layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 48px);
  }
  .page-products .fee-figure { position: sticky; top: 80px; }
}

/* ============ 模块区 ============ */
.page-products .module-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 4vw, 40px);
}
.page-products .module-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 2px solid var(--moss);
  background: linear-gradient(140deg, rgba(78, 107, 74, .13), rgba(28, 34, 41, .9) 55%);
  transition: border-left-color .25s var(--ease), transform .25s var(--ease);
}
.page-products .module-card:hover {
  border-left-color: var(--violet);
  transform: translateY(-3px);
}
.page-products .module-card .card-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 300;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 4px 0 0;
}
.page-products .module-card .card-text {
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.78;
  margin: 0;
}
.page-products .module-tag {
  margin: auto 0 0;
  padding-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  border-top: 1px dashed var(--line);
}
@media (min-width: 820px) {
  .page-products .module-grid {
    grid-template-columns: 1.35fr 1fr;
    grid-auto-rows: auto;
  }
}

/* ============ 更新节拍 ============ */
.page-products .cycle-scale {
  display: grid;
  grid-template-columns: repeat(26, 1fr);
  gap: 3px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(22px, 3vw, 32px);
  padding: 14px;
  background: var(--slate-deep);
  border: 1px solid var(--line);
}
.page-products .cycle-scale span {
  display: block;
  height: 36px;
  background: var(--slate);
  border-radius: 1px;
}
.page-products .cycle-scale span.on {
  background: linear-gradient(180deg, var(--moss), #33452f);
  box-shadow: inset 0 0 0 1px rgba(43, 227, 210, .12);
}
.page-products .cycle-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cycle-list li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--slate);
}
.page-products .cycle-list h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 8px;
}
.page-products .cycle-list p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.78;
}
@media (min-width: 760px) {
  .page-products .cycle-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 620px) {
  .page-products .cycle-scale { gap: 2px; padding: 10px; }
  .page-products .cycle-scale span { height: 20px; }
}

/* ============ 下载资料 ============ */
.page-products .download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 4vw, 40px);
}
.page-products .dl-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--slate);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--clay);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.page-products .dl-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}
.page-products .dl-card .card-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 300;
  color: var(--paper);
  margin: 2px 0 0;
}
.page-products .dl-card .card-text {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.78;
}
.page-products .dl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 6px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
}
.page-products .dl-meta > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-products .dl-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-products .dl-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}
.page-products .dl-card .btn { align-self: flex-start; margin-top: auto; }
@media (min-width: 760px) {
  .page-products .download-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============ 安装流程 ============ */
.page-products .step-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  position: relative;
}
.page-products .step {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--slate);
  border: 1px solid var(--line);
  z-index: 1;
}
.page-products .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--cyan);
  margin-bottom: 8px;
  text-shadow: 0 0 16px var(--cyan-soft);
}
.page-products .step-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 8px;
}
.page-products .step p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.78;
}
@media (min-width: 780px) {
  .page-products .step-track { grid-template-columns: repeat(4, 1fr); }
  .page-products .step-track::before {
    content: "";
    position: absolute;
    top: 48px;
    left: 6%;
    right: 6%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: .45;
    z-index: 0;
  }
}

/* ============ 系统要求 ============ */
.page-products .compat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin: clamp(22px, 3.4vw, 34px) 0 clamp(20px, 3vw, 28px);
}
.page-products .req-panel {
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--slate);
  border: 1px solid var(--line);
  border-top: 2px solid var(--clay);
}
.page-products .req-panel--rec { border-top-color: var(--cyan); }
.page-products .req-panel h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--paper);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.page-products .req-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-products .req-panel li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
  padding-left: 16px;
  position: relative;
}
.page-products .req-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}
@media (min-width: 700px) {
  .page-products .compat-grid { grid-template-columns: 1fr 1fr; }
}

.page-products .compat-item {
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
  background: var(--slate-deep);
  margin-bottom: 10px;
}
.page-products .compat-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--paper);
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.page-products .compat-item > summary::-webkit-details-marker { display: none; }
.page-products .compat-item > summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 16px;
  flex: 0 0 auto;
}
.page-products .compat-item[open] > summary::after { content: "–"; }
.page-products .compat-item p {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.8;
}
.page-products .compat-item sup { display: none; }

/* ============ 收尾 ============ */
.page-products .closing {
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(43, 227, 210, .05), transparent 70%);
}
.page-products .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ============ 返回顶部 ============ */
.page-products .to-top {
  position: fixed;
  right: 16px;
  bottom: 24px;
  z-index: 30;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
  background: var(--slate-deep);
  border: 1px solid var(--cyan);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.page-products .to-top.is-on {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
<<<END>>>