/* ---------- 客户端下载页 ---------- */
.page-products {
  --dl-radius: 20px 20px 20px 6px;
  --dl-gap: clamp(20px, 3.4vw, 36px);
  --dl-card: rgba(10, 26, 42, 0.55);
}

/* 首屏 */
.page-products .dl-hero {
  padding-block: clamp(24px, 4vw, 42px) clamp(40px, 6vw, 78px);
}
.page-products .dl-hero .breadcrumb {
  margin-bottom: clamp(22px, 4vw, 44px);
}
.page-products .dl-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: end;
}
.page-products .dl-hero__lede {
  max-width: 34ch;
}
.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .dl-hero__aside {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 18px 18px 18px 4px;
  background: linear-gradient(160deg, rgba(23, 54, 78, 0.88), rgba(10, 26, 42, 0.62));
}
.page-products .dl-hero__aside::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(201, 162, 39, 0.16);
  border-radius: 12px 12px 12px 3px;
  pointer-events: none;
}
.page-products .dl-aside__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--mist);
}
.page-products .dl-aside__ver {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4.6vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}
.page-products .dl-aside__ver span {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--gold);
  vertical-align: middle;
}
.page-products .dl-spec {
  list-style: none;
  margin: 18px 0;
  padding: 0;
}
.page-products .dl-spec li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--mist);
}
.page-products .dl-spec li:first-child {
  border-top: 1px solid var(--line-soft);
}
.page-products .dl-spec li b {
  color: var(--paper);
  font-weight: 500;
  text-align: right;
}
.page-products .dl-aside__note {
  margin: 0;
}

/* 功能特性 */
.page-products .dl-features__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}
.page-products .dl-features__intro > .body-text {
  max-width: 40ch;
  margin-top: 14px;
}
.page-products .dl-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .dl-feature {
  padding: 22px 0 22px clamp(16px, 2.4vw, 26px);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line-soft);
}
.page-products .dl-feature:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-products .dl-feature__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  color: var(--gold);
}
.page-products .dl-feature .heading-3 {
  margin: 6px 0 8px;
}

/* 区块标题组 */
.page-products .dl-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 42px);
}
.page-products .dl-head__text {
  max-width: 54ch;
  margin-top: 12px;
}

/* 下载面板 */
.page-products .dl-panels {
  display: grid;
  gap: var(--dl-gap);
}
.page-products .dl-panel {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--gold);
  border-radius: var(--dl-radius);
  background: var(--dl-card);
}
.page-products .dl-panel--mobile {
  border-top-color: var(--lake);
}
.page-products .dl-panel__media {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(159, 179, 196, 0.08);
}
.page-products .dl-panel__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-products .dl-panel__body {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px);
}
.page-products .dl-panel__body .heading-3 {
  margin: 0;
}
.page-products .dl-panel__body .body-text {
  margin: 0;
}
.page-products .dl-meta {
  display: grid;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
}
.page-products .dl-meta > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .dl-meta dt {
  color: var(--mist);
  flex: 0 0 auto;
}
.page-products .dl-meta dd {
  margin: 0;
  color: var(--paper);
  text-align: right;
  line-height: 1.5;
}
.page-products .dl-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

/* 安装步骤（纸白带） */
.page-products .dl-install .kicker {
  color: var(--amber-ink);
}
.page-products .dl-install__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}
.page-products .dl-install__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid rgba(10, 26, 42, 0.12);
  border-radius: 16px 16px 16px 4px;
  background: rgba(10, 26, 42, 0.05);
}
.page-products .dl-install__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--amber-ink);
}
.page-products .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
}
.page-products .dl-step {
  padding: clamp(18px, 2.6vw, 24px);
  border-left: 3px solid var(--gold);
  border-radius: 4px 14px 14px 4px;
  background: rgba(10, 26, 42, 0.045);
}
.page-products .dl-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.16em;
  color: var(--amber-ink);
}
.page-products .dl-step .heading-3 {
  margin: 6px 0 8px;
  color: var(--ink-on-paper);
}
.page-products .dl-step .body-text {
  margin: 0;
  color: rgba(10, 26, 42, 0.78);
}

/* 系统要求表 */
.page-products .req-wrap {
  margin-top: clamp(20px, 3vw, 34px);
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: 14px 14px 14px 4px;
  background: rgba(10, 26, 42, 0.35);
}
.page-products .req-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--step--1);
}
.page-products .req-caption {
  padding: 14px 16px 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-products .req-table th,
.page-products .req-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}
.page-products .req-table thead th {
  color: var(--mist);
  font-weight: 500;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--line);
}
.page-products .req-table tbody th {
  color: var(--paper);
  font-weight: 500;
  white-space: nowrap;
}
.page-products .req-table tbody td {
  color: var(--paper-dim);
}
.page-products .req-table tbody tr:last-child th,
.page-products .req-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 版本通道 */
.page-products .dl-channels__grid {
  display: grid;
  gap: var(--dl-gap);
  align-items: start;
}
.page-products .dl-channels__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--dl-radius);
  overflow: hidden;
  background: rgba(159, 179, 196, 0.08);
}
.page-products .dl-channels__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .dl-channels__caption {
  padding: 10px 16px 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-products .dl-channel-stack {
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
}
.page-products .dl-channel {
  padding: clamp(18px, 2.8vw, 26px);
  border-left: 2px solid var(--gold);
  border-radius: 0 16px 16px 0;
  background: rgba(23, 54, 78, 0.5);
}
.page-products .dl-channel--preview {
  border-left-color: var(--clay);
}
.page-products .dl-channel .heading-3 {
  margin: 10px 0 8px;
}
.page-products .dl-channel .body-text {
  margin: 0 0 12px;
}
.page-products .dl-inline-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.page-products .dl-inline-link:hover,
.page-products .dl-inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

/* 下载校验 */
.page-products .dl-verify__grid {
  display: grid;
  gap: var(--dl-gap);
  align-items: start;
}
.page-products .dl-verify__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: 24px 24px 24px 6px;
  overflow: hidden;
  background: rgba(47, 127, 140, 0.12);
}
.page-products .dl-verify__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .dl-verify__content .body-text {
  max-width: 52ch;
}
.page-products .dl-verify__list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-products .dl-verify__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}
.page-products .dl-verify__idx {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 4px;
}
.page-products .dl-verify__item .heading-3 {
  margin: 0 0 6px;
  font-size: var(--step-1);
}
.page-products .dl-verify__item .body-text {
  margin: 0;
}

/* 常见问题 */
.page-products .dl-faq {
  margin-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid var(--line);
}
.page-products .dl-faq details {
  border-bottom: 1px solid var(--line-soft);
  padding: 16px 0;
}
.page-products .dl-faq summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  color: var(--paper);
}
.page-products .dl-faq summary::-webkit-details-marker {
  display: none;
}
.page-products .dl-faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}
.page-products .dl-faq details[open] summary::after {
  content: "−";
  color: var(--gold-soft);
}
.page-products .dl-faq summary:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}
.page-products .dl-faq details .body-text {
  margin: 12px 0 0;
  max-width: 64ch;
}

/* 结尾邀请 */
.page-products .dl-cta {
  display: grid;
  gap: 20px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 24px 24px 24px 6px;
  background: linear-gradient(130deg, rgba(201, 162, 39, 0.14), rgba(10, 26, 42, 0.28));
}
.page-products .dl-cta .heading-3 {
  margin: 0 0 10px;
}
.page-products .dl-cta .body-text {
  margin: 0;
  max-width: 60ch;
}
.page-products .dl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-products .dl-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-products .dl-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 860px) {
  .page-products .dl-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
  .page-products .dl-panel--mobile {
    margin-top: clamp(24px, 4vw, 56px);
  }
  .page-products .dl-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .dl-verify__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 940px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-products .dl-features__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-products .dl-channels__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dl-inline-link,
  .page-products .dl-faq summary::after {
    transition: none;
  }
}