.page-products {
  --dl-hair: var(--line-blue);
  --dl-dim: var(--ink-mist);
  --dl-hull: var(--ink-hull);
  --dl-grad: linear-gradient(90deg, var(--neon-violet), var(--electric-cyan));
  --dl-gap: clamp(20px, 3vw, 36px);
  color: var(--ink-text);
}

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

.page-products .section {
  padding-block: clamp(46px, 6.5vw, 88px);
}

.page-products .section__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-products .dl-sub {
  margin: 14px 0 0;
  color: var(--dl-dim);
  font-size: 16px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-products .dl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(26px, 4vw, 44px) clamp(44px, 6vw, 76px);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: -22% -8% auto -8%;
  height: 640px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(680px 320px at 78% 6%, rgba(139, 92, 246, 0.3), transparent 68%),
    radial-gradient(560px 280px at 8% 88%, rgba(34, 211, 238, 0.16), transparent 70%);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-products .dl-hero__lead .h-display {
  margin: 12px 0 0;
  max-width: 20em;
}

.page-products .dl-hero__lead .lede {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--ink-text);
}

.page-products .dl-live {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  padding: 8px 14px;
  border: 1px solid var(--dl-hair);
  border-radius: 999px;
  background: rgba(13, 26, 46, 0.7);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dl-dim);
  line-height: 1.5;
}

.page-products .dl-live__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok-green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
  animation: dl-pulse 2.4s ease-in-out infinite;
}

@keyframes dl-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

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

.page-products .dl-hero__shot {
  margin: 0;
  border: 1px solid var(--dl-hair);
  border-radius: 18px;
  overflow: hidden;
  background: var(--ink-void);
  box-shadow: 0 26px 64px -32px rgba(139, 92, 246, 0.62);
}

.page-products .dl-caption {
  display: block;
  padding: 10px 16px;
  border-top: 1px solid var(--dl-hair);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dl-dim);
}

/* ---------- 环境对照 ---------- */

.page-products .dl-env__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-spec {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 26, 46, 0.96), rgba(5, 11, 24, 0.92));
}

.page-products .dl-spec dl {
  margin: 0;
}

.page-products .dl-spec__row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--dl-hair);
}

.page-products .dl-spec__row:first-child { padding-top: 0; }
.page-products .dl-spec__row:last-child { padding-bottom: 0; border-bottom: 0; }

.page-products .dl-spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--neon-violet);
}

.page-products .dl-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-text);
}

.page-products .dl-env__stats {
  display: grid;
  gap: 12px;
}

.page-products .dl-metric {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--dl-hair);
  border-left: 3px solid var(--electric-cyan);
  border-radius: 12px;
  background: rgba(13, 26, 46, 0.72);
}

.page-products .dl-metric:nth-child(2) { border-left-color: var(--neon-violet); }
.page-products .dl-metric:nth-child(3) { border-left-color: var(--alert-orange); }

.page-products .dl-metric__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 600;
  line-height: 1.05;
  color: var(--ink-text);
}

.page-products .dl-metric__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dl-dim);
}

/* ---------- 版本对照 ---------- */

.page-products .dl-read__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-read__table {
  overflow-x: auto;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: rgba(13, 26, 46, 0.55);
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-read__table .data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 540px;
}

.page-products .dl-read__table th,
.page-products .dl-read__table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid var(--dl-hair);
}

.page-products .dl-read__table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--electric-cyan);
  background: rgba(5, 11, 24, 0.6);
  white-space: nowrap;
}

.page-products .dl-read__table tbody th {
  font-weight: 600;
  color: var(--ink-text);
  white-space: nowrap;
}

.page-products .dl-read__table tbody td {
  color: var(--dl-dim);
}

.page-products .dl-read__table tbody tr:last-child th,
.page-products .dl-read__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .dl-read__sync {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(27, 20, 64, 0.92), rgba(5, 11, 24, 0.9));
}

.page-products .dl-read__sync .h3 {
  margin: 0;
}

.page-products .dl-sync {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-products .dl-sync li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--dl-hair);
  font-size: 14px;
  line-height: 1.65;
  color: var(--dl-dim);
}

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

.page-products .dl-sync .mono {
  font-size: 14px;
  color: var(--alert-orange);
}

/* ---------- 下载方式 ---------- */

.page-products .dl-packs {
  position: relative;
  border-block: 1px solid var(--dl-hair);
  background: linear-gradient(180deg, rgba(27, 20, 64, 0.55), rgba(5, 11, 24, 0) 72%);
}

.page-products .dl-packs__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-packs__figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-void);
}

.page-products .dl-packs__cards {
  display: grid;
  gap: 18px;
}

.page-products .dl-pack {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: rgba(13, 26, 46, 0.78);
}

.page-products .dl-pack--full { border-top: 3px solid var(--neon-violet); }
.page-products .dl-pack--delta { border-top: 3px solid var(--electric-cyan); }

.page-products .dl-pack__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dl-dim);
}

.page-products .dl-pack .h3 {
  margin: 0;
}

.page-products .dl-pack__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-text);
}

.page-products .dl-pack__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--dl-dim);
}

.page-products .dl-pack--full .dl-pack__list li::marker { color: var(--neon-violet); }
.page-products .dl-pack--delta .dl-pack__list li::marker { color: var(--electric-cyan); }

.page-products .dl-bar {
  display: grid;
  gap: 7px;
  margin-top: 2px;
}

.page-products .dl-bar__track {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(29, 44, 70, 0.85);
  overflow: hidden;
}

.page-products .dl-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--dl-grad);
  animation: dl-flow 4.5s ease-in-out infinite alternate;
}

.page-products .dl-pack--full .dl-bar__fill { width: 100%; }
.page-products .dl-pack--delta .dl-bar__fill { width: 34%; }

@keyframes dl-flow {
  from { filter: brightness(0.92); }
  to { filter: brightness(1.18); }
}

.page-products .dl-bar__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--dl-dim);
}

.page-products .dl-brief {
  padding: 22px 20px;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 26, 46, 0.97), rgba(5, 11, 24, 0.95));
}

.page-products .dl-brief__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--electric-cyan);
}

.page-products .dl-brief__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-products .dl-brief__row {
  display: grid;
  gap: 4px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--dl-hair);
}

.page-products .dl-brief__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .dl-brief__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--neon-violet);
}

.page-products .dl-brief__v {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-text);
}

/* ---------- 四步安装 ---------- */

.page-products .dl-steps__grid {
  display: grid;
  gap: var(--dl-gap);
}

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

.page-products .dl-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--dl-hair);
}

.page-products .dl-step:first-child { padding-top: 0; }
.page-products .dl-step:last-child { border-bottom: 0; padding-bottom: 0; }

.page-products .dl-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 58px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line-blue), rgba(29, 44, 70, 0));
}

.page-products .dl-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--dl-hair);
  border-radius: 50%;
  background: rgba(5, 11, 24, 0.92);
  font-size: 15px;
  color: var(--electric-cyan);
}

.page-products .dl-step__body .h3 {
  margin: 0 0 8px;
}

.page-products .dl-step__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--dl-dim);
}

.page-products .dl-step__body p:last-child {
  margin-bottom: 0;
}

.page-products .dl-step__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--alert-orange) !important;
}

.page-products .dl-steps__shot {
  margin: 0;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-void);
}

/* ---------- 版本档案 ---------- */

.page-products .dl-archive {
  background: linear-gradient(180deg, rgba(27, 20, 64, 0.42), rgba(5, 11, 24, 0) 62%);
}

.page-products .dl-archive__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-archive .fold {
  margin-bottom: 12px;
  border: 1px solid var(--dl-hair);
  border-radius: 12px;
  background: rgba(13, 26, 46, 0.72);
  overflow: hidden;
}

.page-products .dl-archive .fold:last-child {
  margin-bottom: 0;
}

.page-products .dl-archive .fold__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
}

.page-products .dl-archive .fold__index {
  flex: none;
  font-size: 12px;
  color: var(--neon-violet);
}

.page-products .dl-archive .fold__trigger {
  flex: 1;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-text);
  cursor: pointer;
}

.page-products .dl-archive .fold__sign {
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--electric-cyan);
}

.page-products .dl-archive .fold__body {
  padding: 0 18px 18px clamp(18px, 7vw, 60px);
  font-size: 14px;
  line-height: 1.78;
  color: var(--dl-dim);
}

.page-products .dl-archive .fold__body p {
  margin: 0;
}

.page-products .dl-archive__shot {
  margin: 0;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-void);
}

/* ---------- 安全设置 ---------- */

.page-products .dl-sec__grid {
  display: grid;
  gap: var(--dl-gap);
}

.page-products .dl-sec__shot {
  margin: 0;
  border: 1px solid var(--dl-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-void);
}

.page-products .dl-sec__items {
  display: grid;
  gap: 14px;
}

.page-products .dl-sec__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--dl-hair);
  border-radius: 12px;
  background: rgba(13, 26, 46, 0.62);
}

.page-products .dl-sec__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.14);
  color: var(--electric-cyan);
}

.page-products .dl-sec__icon svg {
  width: 22px;
  height: 22px;
}

.page-products .dl-sec__item .h3 {
  margin: 0 0 6px;
}

.page-products .dl-sec__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--dl-dim);
}

/* ---------- 延伸入口 ---------- */

.page-products .dl-next {
  padding-block: clamp(32px, 5vw, 64px);
}

.page-products .dl-next__inner {
  border-top: 1px solid var(--dl-hair);
  padding-top: clamp(28px, 4vw, 44px);
}

.page-products .dl-next__inner .h2 {
  margin: 0;
}

.page-products .dl-next__links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .dl-next__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid var(--dl-hair);
  border-radius: 12px;
  background: rgba(13, 26, 46, 0.55);
  color: var(--ink-text);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-products .dl-next__links a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--electric-cyan);
}

.page-products .dl-next__links a:hover {
  transform: translateY(-2px);
  border-color: var(--neon-violet);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-products .dl-packs__cards {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-products .dl-next__links a {
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    min-height: 100%;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-products .dl-env__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .dl-read__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .dl-steps__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

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

@media (min-width: 980px) {
  .page-products .dl-packs__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .dl-brief {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1000px) {
  .page-products .dl-archive__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-products .dl-step {
    grid-template-columns: 40px 1fr;
    gap: 14px;
  }

  .page-products .dl-step__num {
    width: 40px;
    height: 40px;
    font-size: 13px;
  }

  .page-products .dl-step:not(:last-child)::before {
    left: 19px;
    top: 46px;
  }

  .page-products .dl-sync li {
    grid-template-columns: 56px 1fr;
    gap: 10px;
  }

  .page-products .dl-sec__item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-live__dot,
  .page-products .dl-bar__fill {
    animation: none;
  }

  .page-products .dl-next__links a {
    transition: none;
  }

  .page-products .dl-next__links a:hover {
    transform: none;
  }
}