.page-products {
  --pg-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --pg-sand: #F3E9D6;
  --pg-gap: clamp(22px, 4vw, 46px);
  background: var(--paper);
  color: var(--text);
}

.page-products [id] {
  scroll-margin-top: 88px;
}

.page-products .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-products h2 {
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-size: clamp(1.6rem, 3.6vw, 2.3rem);
  color: var(--ink);
  margin: 14px 0 0;
}

.page-products .pg-sub {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-products .eyebrow {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .pg-hero {
  position: relative;
  background-color: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-products .pg-hero .eyebrow {
  color: var(--amber);
}

.page-products .pg-hero__lead {
  max-width: 58rem;
}

.page-products .pg-hero__title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(2.05rem, 7vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--champagne);
  margin: 20px 0 24px;
}

.page-products .pg-hero__title span {
  display: block;
}

.page-products .pg-hero__title span + span {
  color: var(--amber);
}

.page-products .pg-hero__intro {
  margin: 0;
  max-width: 44ch;
  font-size: 1.02rem;
  line-height: 1.9;
  color: rgba(247, 243, 234, 0.84);
}

.page-products .pg-hero__check {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  max-width: 48rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .pg-hero__check li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(247, 243, 234, 0.86);
}

.page-products .pg-hero__check-k {
  flex: 0 0 auto;
  min-width: 3.2em;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .pg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 版本带 ---------- */
.page-products .pg-band {
  margin-top: clamp(34px, 6vw, 64px);
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.page-products .pg-band__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .pg-band__track {
  list-style: none;
  display: flex;
  margin: 20px 0 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pg-band__track > li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-products .pg-band__node {
  position: relative;
  display: block;
  width: 172px;
  padding: 22px 18px 18px 0;
  text-decoration: none;
  color: inherit;
}

.page-products .pg-band__node::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 1px;
  height: 12px;
  background: var(--line);
}

.page-products .pg-band__dot {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--brass);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pg-band__ver {
  display: block;
  margin-top: 14px;
  font-family: var(--font-num);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--champagne);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}

.page-products .pg-band__when {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

.page-products .pg-band__node:hover .pg-band__dot {
  background: var(--amber);
  transform: scale(1.3);
}

.page-products .pg-band__node:hover .pg-band__ver {
  color: var(--amber);
}

.page-products .pg-band__node:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-products .pg-band__node.is-current .pg-band__dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(231, 181, 99, 0.18);
}

.page-products .pg-band__node.is-current .pg-band__ver {
  color: var(--amber);
}

.page-products .pg-band__node.is-current::after {
  content: "当前";
  position: absolute;
  right: 14px;
  top: 18px;
  padding: 2px 6px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--amber);
}

/* ---------- 下载入口 ---------- */
.page-products .pg-dl {
  background: var(--paper);
}

.page-products .pg-dl__head {
  display: grid;
  gap: var(--pg-gap);
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-products .pg-dl__figure {
  margin: 0;
}

.page-products .pg-dl__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-products .pg-dl__grid {
  display: grid;
  border: 1px solid var(--line);
}

.page-products .pg-dl__card {
  position: relative;
  padding: 26px 22px 28px;
}

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

.page-products .pg-dl__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--brass);
  font-family: var(--font-num);
  font-size: 1.15rem;
  color: var(--amber);
}

.page-products .pg-dl__name {
  margin: 20px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.38rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--champagne);
}

.page-products .pg-dl__ver {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--slate);
}

.page-products .pg-dl__meta {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pg-dl__meta li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(247, 243, 234, 0.88);
}

.page-products .pg-dl__meta li span:first-child {
  color: var(--slate);
}

.page-products .pg-dl__list {
  margin: 16px 0 0;
  padding-left: 1.05em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.86);
}

.page-products .pg-dl__list li + li {
  margin-top: 6px;
}

.page-products .pg-dl__note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(247, 243, 234, 0.86);
}

.page-products .pg-dl__reveal {
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease),
    margin-top var(--dur) var(--ease);
}

.page-products .pg-dl__card:hover .pg-dl__reveal,
.page-products .pg-dl__card:focus-within .pg-dl__reveal {
  max-height: 160px;
  opacity: 1;
  margin-top: 18px;
}

.page-products .pg-dl__hash-label {
  display: block;
  margin-bottom: 6px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .pg-dl__hash {
  display: block;
  font-family: var(--pg-mono);
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--amber);
  word-break: break-all;
}

.page-products .pg-dl__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 系统要求 ---------- */
.page-products .pg-req {
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
}

.page-products .pg-req__grid {
  display: grid;
  gap: var(--pg-gap);
  align-items: start;
}

.page-products .pg-req__points {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pg-req__points li {
  display: flex;
  gap: 12px;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text);
}

.page-products .pg-req__points li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  margin-top: 0.72em;
  background: var(--brass);
}

.page-products .pg-req__figure {
  margin: 0;
}

.page-products .pg-req__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pg-req__tablewrap {
  margin-top: clamp(28px, 4vw, 46px);
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #fff;
}

.page-products .pg-req__caption {
  padding: 14px 16px;
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pg-req__table {
  width: 100%;
  min-width: 740px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pg-req__table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--champagne);
  border-bottom: 1px solid var(--brass);
}

.page-products .pg-req__table tbody th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line-ink);
}

.page-products .pg-req__table tbody td {
  padding: 14px 16px;
  vertical-align: top;
  line-height: 1.75;
  color: var(--text);
  border-bottom: 1px solid var(--line-ink);
}

.page-products .pg-req__table tbody tr:nth-child(even) {
  background: rgba(126, 148, 163, 0.12);
}

.page-products .pg-req__table tbody tr:hover {
  background: rgba(231, 181, 99, 0.16);
}

/* ---------- 资料包清单 ---------- */
.page-products .pg-docs {
  background: var(--pg-sand);
}

.page-products .pg-docs__body {
  display: grid;
  gap: var(--pg-gap);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-products .pg-docs__figure {
  margin: 0;
}

.page-products .pg-docs__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pg-docs__item {
  border-bottom: 1px solid rgba(27, 43, 51, 0.18);
}

.page-products .pg-docs__item:first-child {
  border-top: 1px solid rgba(27, 43, 51, 0.18);
}

.page-products .pg-docs__item summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 15px 32px 15px 0;
  cursor: pointer;
  list-style: none;
}

.page-products .pg-docs__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pg-docs__item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 1.25rem;
  color: var(--brass);
  transition: color var(--dur) var(--ease);
}

.page-products .pg-docs__item[open] summary::after {
  content: "−";
  color: var(--alert);
}

.page-products .pg-docs__item summary:focus-visible {
  outline: 2px solid var(--alert);
  outline-offset: 3px;
}

.page-products .pg-docs__idx {
  flex: 0 0 auto;
  min-width: 1.8em;
  font-family: var(--font-num);
  font-size: 1rem;
  color: var(--brass);
}

.page-products .pg-docs__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pg-docs__flag {
  padding: 2px 7px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--amber);
}

.page-products .pg-docs__item p {
  margin: 0 0 18px;
  padding-left: 2.6em;
  max-width: 54ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 校验 ---------- */
.page-products .pg-verify {
  background: var(--ink-panel);
  color: var(--paper);
}

.page-products .pg-verify .eyebrow {
  color: var(--amber);
}

.page-products .pg-verify h2 {
  color: var(--champagne);
}

.page-products .pg-verify .pg-sub {
  color: rgba(247, 243, 234, 0.84);
}

.page-products .pg-verify__grid {
  display: grid;
  gap: var(--pg-gap);
  align-items: start;
}

.page-products .pg-verify__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pg-verify__steps li {
  display: grid;
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pg-verify__step-k {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-products .pg-verify__steps code {
  font-family: var(--pg-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--champagne);
  word-break: break-all;
}

.page-products .pg-verify__hash {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--paper);
  border-left: 3px solid var(--brass);
}

.page-products .pg-verify .pg-verify__hash-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text);
}

.page-products .pg-verify__hash-value {
  display: block;
  font-family: var(--pg-mono);
  font-size: 0.72rem;
  line-height: 1.75;
  color: var(--ink);
  word-break: break-all;
}

.page-products .pg-verify__figure {
  margin: 0;
}

.page-products .pg-verify__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 三类分支 ---------- */
.page-products .pg-branches {
  background: var(--paper);
}

.page-products .pg-branches__grid {
  display: grid;
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-products .pg-branch {
  padding: 26px 0 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pg-branch__tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 1.15rem;
  color: var(--brass);
  font-variant-numeric: tabular-nums;
}

.page-products .pg-branch__title {
  margin: 8px 0 14px;
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pg-branch ol {
  margin: 0;
  padding-left: 1.15em;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
}

.page-products .pg-branch li + li {
  margin-top: 8px;
}

.page-products .pg-branch__link {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--brass);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pg-branch__link:hover,
.page-products .pg-branch__link:focus-visible {
  color: var(--alert);
  border-color: var(--alert);
}

/* ---------- 版本节奏 ---------- */
.page-products .pg-versions {
  background: var(--ink);
  color: var(--paper);
}

.page-products .pg-versions .eyebrow {
  color: var(--amber);
}

.page-products .pg-versions h2 {
  color: var(--champagne);
}

.page-products .pg-versions .pg-sub {
  color: rgba(247, 243, 234, 0.84);
}

.page-products .pg-versions__texture {
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-products .pg-versions__texture img {
  display: block;
  width: 100%;
  height: clamp(88px, 12vw, 150px);
  object-fit: cover;
  opacity: 0.55;
}

.page-products .pg-versions__list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-products .pg-versions__item {
  display: grid;
  gap: 6px 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pg-versions__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pg-versions__ver {
  display: block;
  font-family: var(--font-num);
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--champagne);
  font-variant-numeric: tabular-nums;
}

.page-products .pg-versions__when {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .pg-versions__note {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.86);
}

.page-products .pg-versions__item:target {
  background: rgba(231, 181, 99, 0.1);
  box-shadow: inset 3px 0 0 var(--amber);
  padding-left: 16px;
}

.page-products .pg-versions__item.is-current .pg-versions__ver {
  color: var(--amber);
}

/* ---------- 末尾指引 ---------- */
.page-products .pg-next {
  background: var(--champagne);
}

.page-products .pg-next__title {
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  margin-bottom: 18px;
}

.page-products .pg-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .pg-next__list li {
  border-top: 1px solid rgba(27, 43, 51, 0.2);
}

.page-products .pg-next__list li:last-child {
  border-bottom: 1px solid rgba(27, 43, 51, 0.2);
}

.page-products .pg-next__list a {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pg-next__list a::after {
  content: "→";
  flex: 0 0 auto;
  color: var(--brass);
}

.page-products .pg-next__list a:hover,
.page-products .pg-next__list a:focus-visible {
  color: var(--alert);
  padding-left: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pg-versions__item {
    grid-template-columns: 9rem 1fr;
    align-items: baseline;
  }

  .page-products .pg-next__list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-products .pg-next__list li:nth-last-child(2) {
    border-bottom: 1px solid rgba(27, 43, 51, 0.2);
  }
}

@media (min-width: 900px) {
  .page-products .pg-dl__head {
    grid-template-columns: 1.05fr 0.95fr;
  }

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

  .page-products .pg-dl__card + .pg-dl__card {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-products .pg-dl__card {
    padding: 30px 26px 32px;
  }

  .page-products .pg-req__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-products .pg-docs__body {
    grid-template-columns: 0.82fr 1.18fr;
  }

  .page-products .pg-verify__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-products .pg-branches__grid {
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--line-soft);
  }

  .page-products .pg-branch {
    padding: 26px 24px 16px 0;
    border-bottom: 0;
  }

  .page-products .pg-branch + .pg-branch {
    border-left: 1px solid var(--line);
    padding-left: 24px;
  }
}

@media (hover: none) {
  .page-products .pg-dl__reveal {
    max-height: none;
    opacity: 1;
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-dl__reveal,
  .page-products .pg-band__dot,
  .page-products .pg-band__ver,
  .page-products .pg-branch__link,
  .page-products .pg-next__list a,
  .page-products .pg-docs__item summary::after {
    transition: none;
  }

  .page-products .pg-band__node:hover .pg-band__dot {
    transform: none;
  }

  .page-products .pg-next__list a:hover,
  .page-products .pg-next__list a:focus-visible {
    padding-left: 0;
  }
}

已完成