.page-products {
  --dl-card: var(--panel);
  --dl-gap: 20px;
  --dl-cut: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  color: var(--white);
  font-family: var(--font-body);
  padding-top: clamp(20px, 5vw, 44px);
  padding-bottom: clamp(64px, 9vw, 112px);
  overflow-x: hidden;
}

.page-products .page-shell {
  width: 100%;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-products p {
  margin: 0;
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-products .breadcrumbs__link {
  color: var(--mist);
}

.page-products .breadcrumbs__link:hover {
  color: var(--cyan);
}

.page-products .breadcrumbs__item[aria-current] span {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 40px);
  isolation: isolate;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -28px;
  right: -120px;
  bottom: -28px;
  left: 46%;
  background: linear-gradient(158deg, var(--ink-2) 0%, var(--panel) 62%, var(--ink-2) 100%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.85;
  display: none;
}

.page-products .dl-hero__copy h1 {
  font-size: clamp(34px, 8vw, 58px);
  line-height: 1.02;
  margin: 10px 0 16px;
  max-width: 14em;
}

.page-products .dl-hero__lede {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
  max-width: 46em;
}

.page-products .dl-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 26px;
}

.page-products .dl-switch__btn {
  display: inline-block;
  padding: 11px 18px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  clip-path: var(--dl-cut);
  transition: color 220ms var(--ease), border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .dl-switch__btn:hover,
.page-products .dl-switch__btn:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .dl-switch__btn--alt:hover,
.page-products .dl-switch__btn--alt:focus-visible {
  color: var(--sand);
  border-color: var(--sand);
}

.page-products .dl-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0;
}

.page-products .dl-fact {
  background: var(--ink);
  padding: 14px 12px;
}

.page-products .dl-fact dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-products .dl-fact dd {
  margin: 0;
  font-size: clamp(15px, 3.4vw, 18px);
  color: var(--cyan);
}

.page-products .dl-hero__shot {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 10px;
}

.page-products .dl-hero__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(-7px, 7px);
  border: 1px solid var(--line);
  pointer-events: none;
  z-index: -1;
}

.page-products .dl-hero__shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.92) brightness(0.92);
}

.page-products .dl-hero__shot figcaption {
  padding: 12px 4px 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 通用章节 ---------- */
.page-products .dl-section {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-products .dl-section__head {
  max-width: 660px;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-products .dl-section__head h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  line-height: 1.1;
  margin: 10px 0 12px;
}

.page-products .dl-section__head p {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 版本对比 ---------- */
.page-products .dl-versions__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-ver {
  position: relative;
  border: 1px solid var(--line);
  background: var(--dl-card);
  padding: 22px 20px 24px;
  clip-path: var(--dl-cut);
}

.page-products .dl-ver--std {
  box-shadow: inset 0 2px 0 var(--cyan);
}

.page-products .dl-ver--lite {
  box-shadow: inset 0 2px 0 var(--sand);
}

.page-products .dl-ver__head .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-products .dl-ver__name {
  font-size: 24px;
  line-height: 1.15;
  margin-bottom: 6px;
}

.page-products .dl-ver__size {
  font-size: 34px;
  line-height: 1;
  color: var(--white);
}

.page-products .dl-ver--lite .dl-ver__size {
  color: var(--sand);
}

.page-products .dl-bar {
  height: 10px;
  margin: 18px 0 8px;
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-products .dl-bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--mint));
}

.page-products .dl-ver--lite .dl-bar span {
  width: 39%;
  background: linear-gradient(90deg, var(--sand), var(--orange));
}

.page-products .dl-ver__scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin-bottom: 20px;
}

.page-products .dl-ver__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .dl-ver__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
}

.page-products .dl-ver__list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .dl-ver__list li.is-on::before {
  content: "✓";
  color: var(--cyan);
}

.page-products .dl-ver__list li.is-off {
  color: var(--mist);
}

.page-products .dl-ver__list li.is-off::before {
  content: "–";
  color: var(--mist);
}

.page-products .dl-ver__fit {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-products .dl-versions__figure {
  margin: var(--dl-gap) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 10px;
}

.page-products .dl-versions__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.9);
}

.page-products .dl-versions__figure figcaption {
  padding: 12px 4px 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 安装前三项 ---------- */
.page-products .dl-checks {
  display: grid;
  gap: 16px;
}

.page-products .dl-check {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 20px 18px 22px;
}

.page-products .dl-check__idx {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 12px;
}

.page-products .dl-check h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.page-products .dl-check p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 五步 ---------- */
.page-products .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .dl-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 8px;
}

.page-products .dl-step__rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-products .dl-step__rail::before {
  content: "";
  position: absolute;
  top: 38px;
  bottom: -4px;
  left: 50%;
  border-left: 1px dashed rgba(37, 230, 208, 0.45);
}

.page-products .dl-step:last-child .dl-step__rail::before {
  display: none;
}

.page-products .dl-step__num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 36px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 14px;
  clip-path: var(--dl-cut);
}

.page-products .dl-step__body {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px 16px 20px;
  margin-bottom: 20px;
}

.page-products .dl-step--accent .dl-step__body {
  border-color: rgba(37, 230, 208, 0.55);
}

.page-products .dl-step__title {
  font-size: 21px;
  margin-bottom: 10px;
}

.page-products .dl-step__text {
  color: var(--white);
  font-size: 15px;
  line-height: 1.75;
}

.page-products .dl-step__done {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--sand);
  font-size: 14px;
  line-height: 1.7;
  color: var(--sand);
}

.page-products .dl-step__figure {
  margin: 16px 0 4px;
  border: 1px solid var(--line);
  background: var(--ink);
  padding: 8px;
}

.page-products .dl-step__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.9);
}

.page-products .dl-step__figure--square img {
  max-height: 300px;
}

.page-products .dl-step__figure figcaption {
  padding: 10px 2px 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .dl-step__more {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-products .dl-step__more > summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding: 4px 0;
}

.page-products .dl-step__more > summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-step__more > summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-size: 13px;
}

.page-products .dl-step__more[open] > summary::before {
  content: "−";
}

.page-products .dl-step__more p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 首次打开 ---------- */
.page-products .dl-firsts {
  display: grid;
  gap: 16px;
}

.page-products .dl-first {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 20px 18px 22px;
  position: relative;
}

.page-products .dl-first::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--cyan);
  opacity: 0.5;
}

.page-products .dl-first .tag {
  display: inline-block;
  margin-bottom: 12px;
}

.page-products .dl-first h3 {
  font-size: 19px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.page-products .dl-first p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 复盘 ---------- */
.page-products .dl-replay {
  border-top: 1px solid var(--line);
  padding-top: clamp(32px, 6vw, 56px);
}

.page-products .dl-replay__grid {
  display: grid;
  gap: 24px;
}

.page-products .dl-replay__copy h2 {
  font-size: clamp(26px, 5.4vw, 38px);
  line-height: 1.1;
  margin: 10px 0 14px;
}

.page-products .dl-replay__copy > p {
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-products .dl-replay__list {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .dl-replay__list li {
  border-left: 2px solid var(--sand);
  padding-left: 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .dl-replay__list strong {
  display: block;
  color: var(--white);
  font-weight: 500;
  margin-bottom: 2px;
}

.page-products .dl-replay__how {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border: 1px dashed rgba(37, 230, 208, 0.45);
  padding: 12px 14px;
}

.page-products .dl-replay__hint {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .dl-replay__shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 10px;
  align-self: start;
}

.page-products .dl-replay__shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.92) brightness(0.9);
}

.page-products .dl-replay__shot figcaption {
  padding: 12px 4px 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 排查 ---------- */
.page-products .dl-fixes {
  display: grid;
  gap: 12px;
}

.page-products .dl-fix {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .dl-fix > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 16px;
}

.page-products .dl-fix > summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-fix > summary:hover .dl-fix__title,
.page-products .dl-fix[open] > summary .dl-fix__title {
  color: var(--cyan);
}

.page-products .dl-fix .tag {
  flex: 0 0 auto;
}

.page-products .dl-fix__title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
  transition: color 200ms var(--ease);
}

.page-products .dl-fix__body {
  padding: 0 16px 18px;
  border-top: 1px dashed var(--line);
}

.page-products .dl-fix__body ol {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
}

.page-products .dl-fix__body li {
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .dl-fix__body li::marker {
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-products .dl-help {
  margin-top: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, var(--ink-2), var(--panel));
  padding: 22px 18px;
}

.page-products .dl-help p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
  margin-bottom: 18px;
}

.page-products .dl-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .dl-checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .dl-step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
  }

  .page-products .dl-step__body {
    padding: 22px 24px 26px;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .dl-hero::before {
    display: block;
  }

  .page-products .dl-versions__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .dl-ver {
    padding: 26px 26px 28px;
  }

  .page-products .dl-replay__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-products .dl-replay__shot img {
    max-height: 520px;
  }

  .page-products .dl-hero__shot img {
    max-height: 520px;
  }

  .page-products .dl-fix > summary {
    padding: 18px 22px;
  }

  .page-products .dl-fix__body {
    padding: 0 22px 22px;
  }

  .page-products .dl-help {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 26px 28px;
  }

  .page-products .dl-help p {
    margin-bottom: 0;
    max-width: 34em;
  }

  .page-products .dl-help__actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 1180px) {
  .page-products .dl-hero__copy h1 {
    font-size: clamp(44px, 4.4vw, 58px);
  }

  .page-products .dl-step {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .page-products .dl-step__figure--square img {
    max-height: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-switch__btn {
    transition: none;
  }

  .page-products .dl-switch__btn:hover,
  .page-products .dl-switch__btn:focus-visible {
    transform: none;
  }
}
<<<END>>>