.page-products {
  background: var(--mist-50);
}
.page-products img {
  max-width: 100%;
  height: auto;
}
.page-products .crumb {
  padding-top: 22px;
}
.page-products .section {
  padding-left: 0;
  padding-right: 0;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding-top: 30px;
}
.page-products .dl-hero__lead {
  max-width: 44rem;
}
.page-products .dl-hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 10px 0 16px;
}
.page-products .dl-hero__lead .lede {
  color: var(--graphite-700);
}
.page-products .dl-hero__lead .btn-group {
  margin-top: 26px;
}
.page-products .dl-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-300);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  font-size: 14px;
  color: var(--graphite-700);
}
.page-products .dl-hero__meta .mono {
  color: var(--teal-800);
  font-weight: 600;
  margin-right: 4px;
}
.page-products .dl-hero__figure {
  margin: 34px 0 0;
  align-self: start;
}

/* ---------- 导读条 ---------- */
.page-products .products-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  padding: 14px 20px;
  background: var(--white);
  border: 1px solid var(--line-300);
  border-left: 3px solid var(--teal-600);
}
.page-products .products-toc .toc__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--teal-800);
}
.page-products .products-toc .toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .products-toc .toc__link {
  font-size: 15px;
  color: var(--graphite-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .products-toc .toc__link:hover,
.page-products .products-toc .toc__link:focus-visible {
  color: var(--action-600);
  border-bottom-color: var(--action-500);
}
.page-products .products-toc .toc__link[aria-current="location"] {
  color: var(--action-600);
  font-weight: 600;
  border-bottom-color: var(--action-500);
}

/* ---------- 系统标签带 ---------- */
.page-products .sysswitch {
  margin-top: 34px;
}
.page-products .sysswitch__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.page-products .sysswitch__tabs {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line-300);
  border-bottom: 2px solid var(--ink-900);
}
.page-products .sysswitch__tab {
  flex: 1 1 0;
  min-width: 126px;
  padding: 15px 14px 13px;
  margin-bottom: -2px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .sysswitch__tab .mono {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}
.page-products .sysswitch__tab em {
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--graphite-700);
}
.page-products .sysswitch__tab:hover {
  background: var(--action-100);
}
.page-products #sys-win:focus-visible ~ .sysswitch__tabs label[for="sys-win"],
.page-products #sys-mac:focus-visible ~ .sysswitch__tabs label[for="sys-mac"],
.page-products #sys-linux:focus-visible ~ .sysswitch__tabs label[for="sys-linux"],
.page-products #sys-uos:focus-visible ~ .sysswitch__tabs label[for="sys-uos"],
.page-products #sys-kylin:focus-visible ~ .sysswitch__tabs label[for="sys-kylin"] {
  outline: 2px solid var(--action-500);
  outline-offset: -2px;
}
.page-products #sys-win:checked ~ .sysswitch__tabs label[for="sys-win"],
.page-products #sys-mac:checked ~ .sysswitch__tabs label[for="sys-mac"],
.page-products #sys-linux:checked ~ .sysswitch__tabs label[for="sys-linux"],
.page-products #sys-uos:checked ~ .sysswitch__tabs label[for="sys-uos"],
.page-products #sys-kylin:checked ~ .sysswitch__tabs label[for="sys-kylin"] {
  background: var(--action-100);
  border-bottom-color: var(--action-500);
}
.page-products .sysswitch__panels {
  background: var(--white);
  border: 1px solid var(--line-300);
  border-top: 0;
  padding: 24px 20px 28px;
}
.page-products .sysswitch__panel {
  display: none;
}
.page-products #sys-win:checked ~ .sysswitch__panels .sysswitch__panel--win,
.page-products #sys-mac:checked ~ .sysswitch__panels .sysswitch__panel--mac,
.page-products #sys-linux:checked ~ .sysswitch__panels .sysswitch__panel--linux,
.page-products #sys-uos:checked ~ .sysswitch__panels .sysswitch__panel--uos,
.page-products #sys-kylin:checked ~ .sysswitch__panels .sysswitch__panel--kylin {
  display: block;
}
.page-products .sysswitch__panel h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-900);
}
.page-products .spec {
  margin: 0;
  display: grid;
}
.page-products .spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 11px 0;
  border-top: 1px solid var(--line-300);
  font-size: 15.5px;
}
.page-products .spec__row dt {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--teal-800);
}
.page-products .spec__row dd {
  margin: 0;
  line-height: 1.7;
  color: var(--graphite-700);
}
.page-products .spec__row dd.mono {
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-all;
}

/* ---------- 校验区（深色） ---------- */
.page-products #verify .eyebrow {
  color: var(--amber-400);
}
.page-products .verify__title {
  margin: 10px 0 14px;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-products #verify .lede {
  color: rgba(255, 255, 255, 0.82);
}
.page-products #verify a {
  color: var(--amber-400);
}
.page-products .steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
}
.page-products .steps__item {
  padding: 20px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.page-products .steps__no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}
.page-products .steps__item h3 {
  margin: 8px 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}
.page-products .steps__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}
.page-products #verify .plate {
  margin: 30px 0 0;
}
.page-products .checkblock {
  margin-top: 34px;
  padding: 20px 20px 24px;
  background: var(--teal-800);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.page-products .checkblock__head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.page-products .checkblock__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--teal-100);
}
.page-products .checkblock__state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--white);
}
.page-products .checkblock__state::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--success-600);
  border: 1px solid var(--white);
}
.page-products .checkblock__list {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .checkblock__list > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}
.page-products .checkblock__list dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--teal-100);
}
.page-products .checkblock__list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--white);
  word-break: break-all;
}
.page-products .mismatch {
  margin-top: 32px;
}
.page-products .mismatch h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}
.page-products .mismatch ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .mismatch li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.82);
}
.page-products .mismatch li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--action-500);
}

/* ---------- 资料库目录树 ---------- */
.page-products .tree {
  margin-top: 28px;
  border-top: 2px solid var(--ink-900);
}
.page-products .tree__node {
  border-bottom: 1px solid var(--line-300);
  background: var(--white);
}
.page-products .tree__summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 14px 30px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-products .tree__summary::-webkit-details-marker {
  display: none;
}
.page-products .tree__summary::before {
  content: "+";
  position: absolute;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--teal-600);
}
.page-products .tree__node[open] > .tree__summary::before {
  content: "−";
  color: var(--action-500);
}
.page-products .tree__summary:hover,
.page-products .tree__summary:focus-visible {
  color: var(--action-600);
  background: var(--action-100);
}
.page-products .tree__count {
  margin-left: auto;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--graphite-700);
  white-space: nowrap;
}
.page-products .tree__leaf {
  list-style: none;
  margin: 0 0 16px 16px;
  padding: 2px 0 0 24px;
  border-left: 1px solid var(--line-300);
}
.page-products .tree__leaf li {
  position: relative;
  padding: 6px 0 6px 14px;
  font-size: 15px;
  color: var(--graphite-700);
}
.page-products .tree__leaf li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-600);
  transform: translateY(-50%);
  transition: background-color var(--dur) var(--ease);
}
.page-products .tree__leaf li:hover::before {
  background: var(--action-500);
}
.page-products .library-side {
  margin-top: 30px;
  display: grid;
  gap: 22px;
  align-content: start;
}
.page-products .library-side .plate {
  margin: 0;
}
.page-products .library-side__note {
  padding: 20px 22px;
  background: var(--teal-100);
  border-left: 3px solid var(--teal-600);
}
.page-products .library-side__note h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}
.page-products .library-side__note ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-products .library-side__note li {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite-700);
}

/* ---------- 分卷与更新 ---------- */
.page-products .volumes {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-products .volumes__item {
  display: grid;
  gap: 8px;
}
.page-products .volumes__label {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  justify-content: space-between;
  font-size: 14.5px;
  color: var(--graphite-700);
}
.page-products .volumes__size {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--teal-800);
}
.page-products .volumes__track {
  display: block;
  height: 14px;
  background: var(--teal-100);
}
.page-products .volumes__bar {
  display: block;
  height: 100%;
  background: var(--teal-600);
}
.page-products .volumes__bar--s {
  width: 31%;
}
.page-products .volumes__bar--m {
  width: 56%;
}
.page-products .volumes__bar--l {
  width: 84%;
}
.page-products .volumes__bar--inc {
  width: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--action-500) 0 12px,
    var(--action-100) 12px 20px
  );
}
.page-products .packnotes {
  margin-top: 30px;
}
.page-products .packnotes h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
}
.page-products .packnotes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.page-products .packnotes li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--graphite-700);
}
.page-products .packnotes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--amber-400);
}
.page-products .packfig {
  margin: 34px 0 0;
}

/* ---------- 版本节奏 ---------- */
.page-products .verify__title--dark {
  color: var(--ink-900);
}
.page-products .verlist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-products .ver {
  border-bottom: 1px solid var(--line-300);
  background: var(--white);
}
.page-products .ver__head {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}
.page-products .ver__head::-webkit-details-marker {
  display: none;
}
.page-products .ver__head:hover,
.page-products .ver__head:focus-visible {
  background: var(--action-100);
}
.page-products .ver__no {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-900);
}
.page-products .ver__tag {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--teal-800);
  padding: 3px 8px;
  background: var(--teal-100);
}
.page-products .ver__date {
  font-size: 13px;
  color: var(--graphite-700);
}
.page-products .ver__hint {
  margin-left: auto;
  font-size: 13px;
  color: var(--teal-600);
  white-space: nowrap;
}
.page-products .ver__hint::after {
  content: " ↓";
}
.page-products .ver[open] .ver__hint::after {
  content: " ↑";
}
.page-products .ver[open] .ver__hint {
  color: var(--action-600);
}
.page-products .ver__body {
  padding: 0 16px 18px;
}
.page-products .ver__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite-700);
}
.page-products .ver__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .ver__body li {
  font-size: 13px;
  padding: 4px 10px;
  background: var(--teal-100);
  color: var(--teal-800);
}

/* ---------- 后续链接 ---------- */
.page-products .nextlinks {
  border-top: 2px solid var(--ink-900);
  padding-top: 26px;
}
.page-products .nextlinks h2 {
  margin: 0 0 18px;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 800;
  color: var(--ink-900);
}
.page-products .nextlinks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}
.page-products .nextlinks__list li {
  background: var(--white);
}
.page-products .nextlinks__list a {
  display: block;
  padding: 18px 20px;
  font-size: 15.5px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .nextlinks__list a:hover,
.page-products .nextlinks__list a:focus-visible {
  background: var(--action-100);
  border-bottom-color: var(--action-500);
  color: var(--action-600);
}
.page-products .nextlinks__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite-700);
}

@media (min-width: 640px) {
  .page-products .spec__row {
    grid-template-columns: 118px 1fr;
    gap: 14px;
    align-items: baseline;
  }
  .page-products .checkblock__list > div {
    grid-template-columns: 96px 1fr;
    gap: 14px;
    align-items: baseline;
  }
  .page-products .checkblock {
    padding: 24px 26px 26px;
  }
  .page-products .sysswitch__panels {
    padding: 28px 30px 32px;
  }
  .page-products .nextlinks__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .library-side {
    margin-top: 0;
  }
  .page-products .tree {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__figure {
    margin-top: 0;
  }
  .page-products .ver__head {
    display: grid;
    grid-template-columns: 96px 118px 1fr auto;
    gap: 16px;
    padding: 18px 20px;
  }
  .page-products .ver__body {
    padding: 0 20px 20px;
  }
  .page-products .nextlinks__list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .volumes {
    margin-top: 0;
  }
  .page-products .packnotes {
    margin-top: 0;
  }
  .page-products .steps {
    margin-top: 0;
  }
  .page-products .packfig {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .sysswitch__tab,
  .page-products .tree__summary,
  .page-products .tree__leaf li::before,
  .page-products .ver__head,
  .page-products .nextlinks__list a,
  .page-products .products-toc .toc__link {
    transition: none;
  }
}