.page-products {
  --pd-gap: clamp(18px, 3vw, 34px);
  --pd-card-border: 3px solid var(--line-cold);
  background: var(--pitch);
  color: var(--cold);
}

.page-products .section {
  padding-block: clamp(44px, 7vw, 88px);
  position: relative;
}

.page-products .section--deep {
  background: var(--pitch-deep);
}

.page-products .section--paper {
  background: var(--paper);
  color: var(--ink);
  border-top: var(--bw) solid var(--pitch-deep);
  border-bottom: var(--bw) solid var(--pitch-deep);
}

.page-products .section--paper .section-title {
  color: var(--ink);
}

.page-products .section--paper .section-lead,
.page-products .section--paper .section-kicker {
  color: var(--steel);
}

/* ---------- HERO ---------- */

.page-products .pd-hero {
  background:
    repeating-linear-gradient(
      90deg,
      rgba(203, 242, 76, 0.04) 0 1px,
      transparent 1px 26px
    ),
    var(--pitch-deep);
  border-bottom: var(--bw) solid var(--line-cold);
  padding-block: clamp(28px, 5vw, 56px) clamp(36px, 6vw, 72px);
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .pd-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(30px, 6.4vw, 66px);
  color: var(--cold);
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-products .pd-hero__lead {
  margin-top: 18px;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.78;
  color: var(--cold-70);
  max-width: 56ch;
}

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

.page-products .pd-hero__note {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cold-52);
}

.page-products .pd-hero__shot {
  border: var(--bw) solid var(--line-cold-strong);
  box-shadow: var(--shadow-hard-neon);
  background: var(--pitch);
}

/* ---------- 版本 ---------- */

.page-products .pd-versions {
  background: var(--pitch);
}

.page-products .pd-version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .pd-version {
  background: var(--pitch-deep);
  border: var(--pd-card-border);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.page-products .pd-version--pick {
  border-color: var(--neon);
  box-shadow: var(--shadow-hard-neon);
}

.page-products .pd-version__flag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  background: var(--neon);
  color: var(--pitch-deep);
  font-weight: 700;
}

.page-products .pd-version__flag--quiet {
  background: transparent;
  color: var(--cold-52);
  border: 1px solid var(--line-cold-strong);
}

.page-products .pd-version__name {
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cold);
  margin: 4px 0 0;
}

.page-products .pd-version__ver {
  font-family: var(--font-mono);
  font-size: clamp(38px, 6vw, 56px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-version--web .pd-version__ver {
  font-size: clamp(26px, 4vw, 36px);
  color: var(--teal);
}

.page-products .pd-version__spec {
  margin: 6px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-cold);
}

.page-products .pd-version__spec > div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-cold);
}

.page-products .pd-version__spec dt {
  font-size: 13px;
  color: var(--cold-52);
}

.page-products .pd-version__spec dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--cold);
  text-align: right;
}

.page-products .pd-version__for {
  font-size: 14px;
  line-height: 1.75;
  color: var(--cold-70);
  margin: 8px 0 4px;
}

.page-products .pd-version .btn {
  margin-top: auto;
}

.page-products .pd-versions__shot {
  margin-top: clamp(28px, 4.5vw, 52px);
  border: var(--bw) solid var(--line-cold-strong);
  box-shadow: var(--shadow-hard);
  background: var(--pitch-deep);
}

/* ---------- 安装步骤 ---------- */

.page-products .pd-steps {
  background: var(--paper);
}

.page-products .pd-steps__list {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

.page-products .pd-step {
  background: var(--cold);
  border: var(--bw) solid var(--ink);
  box-shadow: 8px 8px 0 var(--paper-dim);
  padding: clamp(20px, 3vw, 28px);
  position: relative;
}

.page-products .pd-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cold);
  background: var(--brick);
  padding: 5px 11px;
}

.page-products .pd-step__title {
  font-size: clamp(19px, 2.3vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 16px 0 10px;
}

.page-products .pd-step p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
  margin: 0;
}

.page-products .pd-steps__shot {
  margin-top: clamp(28px, 4.5vw, 50px);
  border: var(--bw) solid var(--ink);
  box-shadow: 8px 8px 0 var(--paper-dim);
}

/* ---------- 功能 ---------- */

.page-products .pd-features {
  background: var(--pitch);
  border-top: var(--bw) solid var(--line-cold);
}

.page-products .pd-feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .pd-feature {
  background: var(--pitch-deep);
  border: var(--pd-card-border);
  border-left: 8px solid var(--teal);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-products .pd-feature--lead {
  border-left-color: var(--neon);
}

.page-products .pd-feature .card-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--neon);
  margin: 0;
}

.page-products .pd-feature .card-title {
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 800;
  color: var(--cold);
  margin: 10px 0 10px;
  letter-spacing: -0.01em;
}

.page-products .pd-feature .card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--cold-70);
  margin: 0;
}

.page-products .pd-features__more {
  margin-top: clamp(22px, 3.5vw, 36px);
  font-size: 14.5px;
  color: var(--cold-70);
}

/* ---------- 显示模式 ---------- */

.page-products .pd-modes {
  background: var(--pitch-deep);
}

.page-products .pd-mode-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-products .pd-mode {
  background: var(--pitch);
  border: var(--pd-card-border);
  padding: clamp(20px, 3vw, 30px);
}

.page-products .pd-mode--data {
  background: var(--paper);
  border-color: var(--ink);
  color: var(--ink);
  box-shadow: 8px 8px 0 var(--neon);
}

.page-products .pd-mode__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  background: var(--neon);
  color: var(--pitch-deep);
  font-weight: 700;
  margin: 0;
}

.page-products .pd-mode__badge--alt {
  background: var(--brick);
  color: var(--cold);
}

.page-products .pd-mode__title {
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin: 16px 0 12px;
  color: var(--cold);
}

.page-products .pd-mode--data .pd-mode__title {
  color: var(--ink);
}

.page-products .pd-mode__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cold-70);
  margin: 0 0 14px;
}

.page-products .pd-mode--data .pd-mode__text {
  color: var(--steel);
}

.page-products .pd-mode__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-cold);
}

.page-products .pd-mode--data .pd-mode__list {
  border-top-color: var(--line-ink);
}

.page-products .pd-mode__list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cold-70);
  border-bottom: 1px solid var(--line-cold);
}

.page-products .pd-mode--data .pd-mode__list li {
  color: var(--steel);
  border-bottom-color: var(--line-ink);
}

.page-products .pd-mode__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--neon);
}

.page-products .pd-mode--data .pd-mode__list li::before {
  background: var(--brick);
}

.page-products .pd-modes__shot {
  margin-top: clamp(28px, 4.5vw, 52px);
  border: var(--bw) solid var(--line-cold-strong);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-modes__note {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--cold-52);
}

/* ---------- 更新节奏 ---------- */

.page-products .pd-cycle {
  background: var(--pitch);
  border-top: var(--bw) solid var(--line-cold);
}

.page-products .pd-cycle__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(24px, 4vw, 42px);
  border-top: var(--bw) solid var(--line-cold);
  padding-top: clamp(22px, 3.5vw, 38px);
}

.page-products .pd-cycle__item {
  border-left: 3px solid var(--neon-40);
  padding-left: 18px;
}

.page-products .pd-cycle__num {
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
  margin: 0;
}

.page-products .pd-cycle__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cold-52);
  margin: 6px 0 0;
}

.page-products .pd-cycle__title {
  font-size: 17px;
  font-weight: 800;
  color: var(--cold);
  margin: 16px 0 10px;
  letter-spacing: -0.01em;
}

.page-products .pd-cycle__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--cold-70);
  margin: 0;
}

.page-products .pd-cycle__foot {
  margin-top: clamp(26px, 4vw, 42px);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cold-70);
  border-top: 1px solid var(--line-cold);
  padding-top: 20px;
}

/* ---------- 系统要求 ---------- */

.page-products .pd-req {
  background: var(--paper);
}

.page-products .pd-req__scroll {
  margin-top: clamp(24px, 4vw, 42px);
  border: var(--bw) solid var(--ink);
  box-shadow: 8px 8px 0 var(--paper-dim);
  background: var(--cold);
}

.page-products .pd-req__caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  padding: 14px 16px 4px;
}

.page-products .pd-req__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.page-products .pd-req__table th {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: left;
  color: var(--ink);
  background: var(--paper-dim);
  padding: 13px 16px;
  border-bottom: 3px solid var(--brick);
}

.page-products .pd-req__table td {
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-ink);
  vertical-align: top;
}

.page-products .pd-req__table td:first-child {
  color: var(--ink);
  font-weight: 700;
}

.page-products .pd-req__table tbody tr:nth-child(even) td {
  background: rgba(224, 210, 180, 0.4);
}

.page-products .pd-req__pick td {
  background: var(--neon) !important;
  color: var(--pitch-deep);
  font-weight: 600;
}

.page-products .pd-req__pick td:first-child {
  color: var(--pitch-deep);
}

.page-products .pd-req__hint {
  margin-top: 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 支持 ---------- */

.page-products .pd-support {
  background: var(--pitch-deep);
  border-top: var(--bw) solid var(--line-cold);
}

.page-products .pd-support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-support__copy .section-title {
  margin-top: 10px;
}

.page-products .pd-support__text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cold-70);
  margin: 16px 0 0;
  max-width: 58ch;
}

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

.page-products .pd-support__shot {
  border: var(--bw) solid var(--line-cold-strong);
  box-shadow: var(--shadow-hard-neon);
  margin: 0;
}

/* ---------- 图片通用 ---------- */

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .media-frame--tall img {
  aspect-ratio: 3 / 4;
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-products .pd-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-mode-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .pd-steps__list {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .page-products .pd-support__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-products .pd-version-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-products .pd-feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-feature--lead {
    grid-column: span 2;
  }
}

@media (max-width: 700px) {
  .page-products .pd-req__table {
    min-width: 0;
  }

  .page-products .pd-req__table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .page-products .pd-req__table tbody tr {
    display: block;
    border-bottom: var(--bw) solid var(--paper-dim);
  }

  .page-products .pd-req__table tbody tr:last-child {
    border-bottom: 0;
  }

  .page-products .pd-req__table td {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    border-bottom: 1px dashed var(--line-ink);
    padding: 11px 16px;
    text-align: right;
  }

  .page-products .pd-req__table td:last-child {
    border-bottom: 0;
  }

  .page-products .pd-req__table td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.04em;
    color: var(--steel);
    text-align: left;
    flex: 0 0 auto;
    max-width: 45%;
  }

  .page-products .pd-req__pick td,
  .page-products .pd-req__pick td::before {
    color: var(--pitch-deep);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products {
    --dur: 0s;
  }
}