.page-products {
  --pp-gap: clamp(16px, 2.2vw, 26px);
  --pp-pad: clamp(18px, 3vw, 32px);
  --pp-ink-soft: #41535f;
  --pp-shadow: 0 22px 44px -34px rgba(0, 0, 0, .95);
}

.page-products .page-products__crumbs {
  padding-top: clamp(10px, 2vw, 18px);
}

/* 首屏 */
.page-products .dl-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: center;
  padding-block: clamp(12px, 2.5vw, 28px) clamp(36px, 5vw, 68px);
}

.page-products .dl-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -.02em;
}

.page-products .dl-hero .lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .dl-hero .hand-note {
  margin-top: 18px;
}

.page-products .dl-hero__media {
  position: relative;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(63, 224, 197, .12), rgba(19, 41, 61, .2) 58%),
    var(--panel);
  box-shadow: var(--pp-shadow);
}

.page-products .dl-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-products .dl-hero__badge {
  position: absolute;
  top: -11px;
  right: 16px;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--night);
  background: var(--lemon);
  border-radius: 2px;
  box-shadow: 2px 2px 0 rgba(7, 19, 31, .7);
}

/* 下载包对比 */
.page-products .dl-packages__head {
  max-width: 760px;
}

.page-products .dl-pack-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .dl-pack {
  position: relative;
  padding: var(--pp-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--pp-shadow);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .dl-pack::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--pp-accent, var(--lemon));
}

.page-products .dl-pack:hover,
.page-products .dl-pack:focus-within {
  transform: translateY(-6px);
  border-color: var(--pp-accent, var(--lemon));
}

.page-products .dl-pack--a { --pp-accent: var(--lemon); }
.page-products .dl-pack--b { --pp-accent: var(--cyan); }
.page-products .dl-pack--c { --pp-accent: var(--coral); }

.page-products .dl-pack__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .dl-pack__code {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--pp-accent, var(--lemon));
}

.page-products .dl-pack__cap {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 9px;
}

.page-products .dl-pack h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.25;
}

.page-products .dl-pack > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .dl-pack__spec {
  list-style: none;
  margin: 18px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
}

.page-products .dl-pack__spec li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.5;
}

.page-products .dl-pack__spec span {
  color: var(--text-dim);
}

.page-products .dl-pack__spec strong {
  color: var(--text);
  font-weight: 600;
}

/* 版本说明纸张叠层 */
.page-products .dl-checklist__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .dl-paper {
  position: relative;
  padding: clamp(20px, 3vw, 36px);
  color: var(--ink);
  background: var(--paper);
  border-radius: 2px;
  box-shadow: 5px 5px 0 -1px #cfc8b6, 10px 10px 0 -2px #918b7a;
}

.page-products .dl-paper .eyebrow {
  color: #7a6100;
}

.page-products .dl-paper h2 {
  margin: 8px 0 12px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  color: var(--ink);
}

.page-products .dl-paper__lede {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--pp-ink-soft);
}

.page-products .dl-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-check li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px dashed #c6bfad;
}

.page-products .dl-check li:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-products .dl-check__num {
  height: fit-content;
  padding: 5px 7px;
  font-size: 12px;
  line-height: 1;
  color: var(--lemon);
  background: var(--ink);
  border-radius: 2px;
}

.page-products .dl-check h3 {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.35;
  color: var(--ink);
}

.page-products .dl-check p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--pp-ink-soft);
}

.page-products .dl-checklist__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* 安装 */
.page-products .dl-install__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .dl-install__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-products .dl-acc__item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .dl-acc__item + .dl-acc__item {
  margin-top: 12px;
}

.page-products .dl-acc__heading {
  margin: 0;
  font-size: inherit;
  line-height: inherit;
}

.page-products .dl-acc__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  color: var(--text);
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-products .dl-acc__trigger:hover {
  background: rgba(63, 224, 197, .07);
}

.page-products .dl-acc__trigger::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .dl-acc__trigger[aria-expanded="true"] {
  color: var(--lemon);
  background: rgba(242, 214, 75, .07);
}

.page-products .dl-acc__trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--lemon);
}

.page-products .dl-acc__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .dl-acc__panel {
  padding: 4px 18px 20px;
  border-top: 1px dashed var(--line);
}

.page-products .dl-acc__note {
  margin: 16px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--coral);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .dl-install__steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .dl-install__steps li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
}

.page-products .dl-install__steps .mono {
  display: grid;
  place-items: center;
  height: 24px;
  font-size: 12px;
  line-height: 1;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-products .dl-install__steps h4 {
  margin: 0 0 3px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .dl-install__steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* 移动端步骤流 */
.page-products .dl-mobile {
  background: linear-gradient(180deg, rgba(7, 19, 31, .72), rgba(11, 27, 43, 0));
}

.page-products .dl-mobile__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .dl-mobile__body {
  max-width: 640px;
}

.page-products .dl-mobile__body h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
}

.page-products .dl-stepflow {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-products .dl-stepflow li {
  position: relative;
  padding: 0 0 22px 46px;
}

.page-products .dl-stepflow li:last-child {
  padding-bottom: 0;
}

.page-products .dl-stepflow li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 2px;
  width: 1px;
  background: repeating-linear-gradient(180deg, var(--line) 0 6px, transparent 6px 12px);
}

.page-products .dl-stepflow li:last-child::before {
  display: none;
}

.page-products .dl-stepflow__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-size: 12px;
  line-height: 1;
  color: var(--cyan);
  background: var(--ink);
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.page-products .dl-stepflow h3 {
  margin: 2px 0 5px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .dl-stepflow p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .dl-mobile__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.page-products .dl-mobile__foot p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .dl-mobile__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* 兼容矩阵 */
.page-products .dl-compat__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .dl-compat__panel {
  padding: var(--pp-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .dl-compat__panel h3 {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--text);
}

.page-products .dl-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .dl-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-dim);
  background: rgba(11, 27, 43, .6);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-products .dl-compat__alt {
  margin: 16px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--lemon);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .dl-compat__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* 更新与回滚 */
.page-products .dl-cycle__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .dl-cycle__item {
  padding: var(--pp-pad);
  background: linear-gradient(180deg, rgba(63, 224, 197, .08), rgba(19, 41, 61, .92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .dl-cycle__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-products .dl-cycle__item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.35;
}

.page-products .dl-cycle__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* 结尾指引 */
.page-products .dl-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(242, 214, 75, .12), rgba(63, 224, 197, .08) 58%, rgba(19, 41, 61, .92));
}

.page-products .dl-cta__inner h2 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
}

.page-products .dl-cta__inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

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

/* 响应式 */
@media (min-width: 760px) {
  .page-products .dl-pack-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .dl-pack:nth-child(2) {
    margin-top: 24px;
  }

  .page-products .dl-pack:nth-child(3) {
    margin-top: 48px;
  }

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

@media (min-width: 900px) {
  .page-products .dl-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .dl-checklist__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .dl-install__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .dl-mobile__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-products .dl-compat__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .dl-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .dl-cta__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-pack {
    transition: none;
  }
}
<<<END>>>