/* ============ 版本下载页 · 工具型下载台 ============ */

.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, var(--c-ink-800) 0%, var(--c-ink-900) 78%);
  clip-path: polygon(0 0, 100% 0, 100% 54%, 0 100%);
  z-index: 0;
}

.page-products .dl-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: 22px;
}

.page-products .dl-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 22px 0 30px;
}

.page-products .dl-hero-copy h1 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.14;
  color: var(--text);
  margin: 12px 0 0;
  max-width: 17em;
}

.page-products .dl-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-frost);
  opacity: 0.86;
  max-width: 34em;
}

.page-products .dl-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .dl-hero-media {
  border: 1px solid var(--line);
}

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

.page-products .dl-quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0;
}

.page-products .dl-quick > div {
  background: var(--bg);
  padding: 12px 14px;
}

.page-products .dl-quick dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0;
}

.page-products .dl-quick dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-amber);
  word-break: break-word;
}

.page-products .dl-switch {
  margin-top: 26px;
  padding-top: 14px;
  padding-bottom: 14px;
  border-top: 1px solid var(--line);
  gap: 8px;
}

.page-products .dl-switch .tag {
  white-space: nowrap;
}

/* 通用小节头 */
.page-products .dl-sec-head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.01em;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.24;
  color: var(--text);
  margin: 10px 0 0;
  max-width: 22em;
}

.page-products .dl-sec-head p {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
  max-width: 40em;
}

.page-products .dl-inline-link {
  color: var(--c-celadon);
  text-decoration: none;
  border-bottom: 1px solid var(--c-celadon);
}

.page-products .dl-inline-link:hover {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

/* ============ 版本对照 ============ */
.page-products .dl-compare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.page-products .dl-edition {
  padding: 26px 0 30px;
}

.page-products .dl-edition + .dl-edition {
  border-top: 1px solid var(--line);
}

.page-products .dl-edition h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 28px);
  line-height: 1.2;
  color: var(--text);
  margin: 8px 0 0;
}

.page-products .dl-edition-note {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-products .dl-spec {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  margin: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-spec dt,
.page-products .dl-spec dd {
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.page-products .dl-spec dt {
  color: var(--text-dim);
  letter-spacing: 0.04em;
  padding-right: 16px;
  white-space: nowrap;
}

.page-products .dl-spec dd {
  color: var(--text);
  font-weight: 700;
}

.page-products .dl-fit {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-celadon);
}

/* ============ 安卓收藏版记录 ============ */
.page-products .dl-android {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-products .dl-android-copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.24;
  color: var(--text);
  margin: 10px 0 0;
}

.page-products .dl-android-copy p {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-products .dl-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-facts li {
  display: grid;
  grid-template-columns: minmax(0, 7em) minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-products .dl-fact-k {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-products .dl-fact-v {
  color: var(--c-frost);
}

.page-products .dl-android-media {
  border: 1px solid var(--line);
}

.page-products .dl-android-media img,
.page-products .dl-step-map img,
.page-products .dl-tl-map img,
.page-products .dl-compat-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ============ 步骤 + 更新日志 ============ */
.page-products .dl-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 52px;
}

.page-products .dl-step-map,
.page-products .dl-tl-map {
  margin: 24px 0 0;
  border: 1px solid var(--line);
}

.page-products .dl-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-products .dl-step {
  position: relative;
  border-top: 1px solid var(--line);
  padding-left: 18px;
}

.page-products .dl-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .dl-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 7px;
  height: 7px;
  background: var(--c-amber);
}

.page-products .dl-step summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-products .dl-step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-amber);
}

.page-products .dl-step-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

.page-products .dl-step summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-celadon);
}

.page-products .dl-step[open] summary::after {
  content: "–";
}

.page-products .dl-step-body {
  margin: 0;
  padding: 0 0 16px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-products .dl-timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-tl-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-tl-ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.1;
  color: var(--c-celadon);
}

.page-products .dl-tl-item:first-child .dl-tl-ver {
  color: var(--c-amber);
}

.page-products .dl-tl-year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-products .dl-tl-body h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text);
  margin: 6px 0 0;
}

.page-products .dl-tl-body p {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.78;
}

/* ============ 兼容与排查 ============ */
.page-products .dl-compat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
}

.page-products .dl-compat-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .dl-compat-cell {
  background: var(--bg);
  padding: 18px 16px 20px;
}

.page-products .dl-compat-cell h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--text);
  margin: 8px 0 0;
}

.page-products .dl-compat-cell p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .dl-compat-cell .coord {
  color: var(--c-moss);
}

.page-products .dl-compat-media {
  border: 1px solid var(--line);
  align-self: start;
}

/* ============ 校验区 ============ */
.page-products .dl-check {
  padding: clamp(24px, 5vw, 46px);
}

.page-products .dl-check h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 32px);
  line-height: 1.24;
  color: var(--c-ink-900);
  margin: 10px 0 0;
}

.page-products .dl-check > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ink-700);
  max-width: 42em;
}

.page-products .dl-check .eyebrow {
  color: var(--c-ink-700);
}

.page-products .dl-check-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 24px 0 0;
  border-top: 1px solid rgba(11, 21, 36, 0.22);
}

.page-products .dl-check-list > div {
  display: grid;
  grid-template-columns: minmax(0, 8em) minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(11, 21, 36, 0.22);
}

.page-products .dl-check-list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-slate);
  margin: 0;
}

.page-products .dl-check-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--c-ink-900);
}

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

.page-products .dl-check .copy-btn {
  min-height: 44px;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-ink-900);
  background: transparent;
  border: 1px solid var(--c-ink-900);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .dl-check .copy-btn:hover {
  background: var(--c-ink-900);
  color: var(--c-paper);
}

.page-products .dl-check .copy-btn[data-copied] {
  background: var(--c-celadon);
  border-color: var(--c-celadon);
  color: var(--c-ink-900);
}

.page-products .dl-check .btn-ghost {
  border-color: var(--c-ink-900);
  color: var(--c-ink-900);
}

.page-products .dl-check .btn-ghost:hover {
  background: var(--c-ink-900);
  color: var(--c-paper);
}

/* ============ 后续路径 ============ */
.page-products .dl-next-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .dl-next-list li {
  border-bottom: 1px solid var(--line);
}

.page-products .dl-next-list a {
  display: block;
  padding: 16px 0;
  text-decoration: none;
}

.page-products .dl-next-label {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  transition: color var(--dur-fast) var(--ease);
}

.page-products .dl-next-desc {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .dl-next-list a:hover .dl-next-label,
.page-products .dl-next-list a:focus-visible .dl-next-label {
  color: var(--c-amber);
}

/* ============ 断点 ============ */
@media (min-width: 700px) {
  .page-products .dl-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .dl-check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero-inner {
    padding-top: 26px;
  }

  .page-products .dl-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: 48px;
    padding: 34px 0 40px;
  }

  .page-products .dl-android-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
  }

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

  .page-products .dl-edition {
    padding: 32px 0 36px;
  }

  .page-products .dl-edition + .dl-edition {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 40px;
    margin-left: 40px;
  }

  .page-products .dl-compat-layout {
    grid-template-columns: 1.6fr 1fr;
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-products .dl-stage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: 60px;
  }

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

  .page-products .dl-tl-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
  }

  .page-products .dl-tl-ver {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-next-label,
  .page-products .dl-check .copy-btn {
    transition: none;
  }
}
<<<END>>>