.page-products {
  --pr-cut: 18px;
  --pr-line: rgba(16, 20, 24, .12);
  --pr-line-soft: rgba(16, 20, 24, .07);
  --pr-body: #333c46;
  --pr-muted: #4d5964;
  display: block;
  background: var(--bt-paper);
  color: var(--bt-black);
  font-family: var(--bt-sans);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.page-products *,
.page-products *::before,
.page-products *::after {
  box-sizing: border-box;
}

.page-products a:focus-visible,
.page-products [tabindex]:focus-visible {
  outline: 2px solid var(--bt-gold);
  outline-offset: 3px;
}

.page-products .bt-crumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- Layout：非对称双栏 ---------- */
.page-products .pr-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.25rem);
}

.page-products .pr-main {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-products .pr-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.25rem);
    align-items: start;
  }
}

/* ---------- 左侧栏目锚点 ---------- */
.page-products .pr-rail {
  position: relative;
  background: var(--bt-ink);
  color: var(--bt-paper);
  padding: 1.4rem 1.3rem 1.5rem;
  clip-path: polygon(0 0, calc(100% - var(--pr-cut)) 0, 100% var(--pr-cut), 100% 100%, 0 100%);
}

.page-products .pr-rail::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--bt-gold);
  opacity: .85;
}

@media (min-width: 1024px) {
  .page-products .pr-rail {
    position: sticky;
    top: 112px;
  }
}

.page-products .pr-rail__eyebrow {
  margin: 0 0 .35rem;
  font-family: var(--bt-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(245, 242, 234, .5);
}

.page-products .pr-rail__title {
  margin: 0 0 .85rem;
  font-family: var(--bt-serif);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.45;
  color: #ffffff;
}

.page-products .pr-rail__ver {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: .28rem .6rem;
  font-family: var(--bt-mono);
  font-size: .72rem;
  letter-spacing: .07em;
  color: var(--bt-gold-soft);
  border: 1px solid rgba(184, 115, 51, .55);
}

.page-products .pr-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 .2rem;
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pr-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  white-space: nowrap;
  padding: .2rem 0;
  font-size: .88rem;
  color: rgba(245, 242, 234, .76);
  text-decoration: none;
  transition: color var(--bt-dur) var(--bt-ease), transform var(--bt-dur) var(--bt-ease);
}

.page-products .pr-rail__link::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: none;
  background: var(--bt-gold);
  transform: rotate(45deg);
  opacity: .55;
  transition: opacity var(--bt-dur) var(--bt-ease);
}

.page-products .pr-rail__link:hover,
.page-products .pr-rail__link:focus-visible {
  color: #ffffff;
  transform: translateX(3px);
}

.page-products .pr-rail__link:hover::before,
.page-products .pr-rail__link:focus-visible::before {
  opacity: 1;
}

@media (min-width: 1024px) {
  .page-products .pr-rail__list {
    display: grid;
    gap: 0;
    overflow: visible;
    border-top: 1px solid rgba(245, 242, 234, .14);
  }
  .page-products .pr-rail__link {
    padding: .62rem 0;
    border-bottom: 1px solid rgba(245, 242, 234, .1);
  }
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.25rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 900px) {
  .page-products .pr-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }
}

.page-products .pr-hero__kicker {
  margin: 0 0 .75rem;
  font-family: var(--bt-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--bt-gold-deep);
}

.page-products .pr-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--bt-serif);
  font-size: clamp(1.95rem, 5.2vw, 3.25rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--bt-ink);
}

.page-products .pr-hero__lead {
  margin: 0 0 1.6rem;
  max-width: 60ch;
  font-size: clamp(.98rem, 1.5vw, 1.06rem);
  line-height: 1.8;
  color: var(--pr-body);
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1rem;
  align-items: center;
}

.page-products .pr-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 2.25rem;
  margin: 1.75rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--pr-line);
}

.page-products .pr-stat {
  display: flex;
  flex-direction: column-reverse;
  gap: .15rem;
}

.page-products .pr-stat__num {
  margin: 0;
  font-family: var(--bt-mono);
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  color: var(--bt-ink);
  letter-spacing: .01em;
}

.page-products .pr-stat__label {
  margin: 0;
  font-size: .8rem;
  color: var(--pr-muted);
}

/* ---------- 图片框比例 ---------- */
.page-products .bt-figure {
  margin: 0;
}

.page-products .bt-figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pr-hero__figure .bt-figure__frame,
.page-products .pr-taxFigure .bt-figure__frame,
.page-products .pr-searchFigure .bt-figure__frame,
.page-products .pr-verFigure .bt-figure__frame,
.page-products .pr-texture .bt-figure__frame {
  overflow: hidden;
}

.page-products .pr-hero__figure .bt-figure__frame { aspect-ratio: 16 / 10; }
.page-products .pr-taxFigure .bt-figure__frame { aspect-ratio: 4 / 3; }
.page-products .pr-searchFigure .bt-figure__frame { aspect-ratio: 3 / 2; }
.page-products .pr-verFigure .bt-figure__frame { aspect-ratio: 14 / 9; }
.page-products .pr-texture .bt-figure__frame { aspect-ratio: 8 / 3; }

.page-products .pr-hero__figure,
.page-products .pr-taxFigure,
.page-products .pr-searchFigure,
.page-products .pr-verFigure,
.page-products .pr-texture {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

/* ---------- 章节节奏 ---------- */
.page-products .pr-block {
  margin-top: clamp(2.75rem, 6vw, 4.5rem);
}

.page-products .bt-section__lead {
  max-width: 62ch;
}

.page-products .pr-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

@media (min-width: 880px) {
  .page-products .pr-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 安装步骤 ---------- */
.page-products .pr-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pr-step;
  display: grid;
  gap: 1.4rem;
}

.page-products .pr-steps li {
  counter-increment: pr-step;
  position: relative;
  padding-left: 3.1rem;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--pr-body);
}

.page-products .pr-steps li::before {
  content: counter(pr-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  font-family: var(--bt-mono);
  font-size: .76rem;
  color: var(--bt-gold-deep);
  border: 1px solid rgba(184, 115, 51, .45);
}

.page-products .pr-steps strong {
  display: block;
  margin-bottom: .2rem;
  font-family: var(--bt-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--bt-ink);
}

/* ---------- 下载卡 ---------- */
.page-products .pr-dl {
  background: var(--bt-ink);
  color: var(--bt-paper);
  padding: clamp(1.4rem, 3vw, 1.9rem);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-products .pr-dl__label {
  margin: 0 0 .3rem;
  font-family: var(--bt-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: rgba(245, 242, 234, .55);
}

.page-products .pr-dl__version {
  margin: 0 0 1.15rem;
  font-family: var(--bt-mono);
  font-size: clamp(1.6rem, 4vw, 2.05rem);
  letter-spacing: .02em;
  color: var(--bt-gold-soft);
}

.page-products .pr-dl__meta {
  margin: 0;
  display: grid;
}

.page-products .pr-dl__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .6rem 0;
  border-bottom: 1px dashed rgba(245, 242, 234, .2);
  font-family: var(--bt-mono);
  font-size: .74rem;
}

.page-products .pr-dl__row dt {
  margin: 0;
  color: rgba(245, 242, 234, .58);
}

.page-products .pr-dl__row dd {
  margin: 0;
  text-align: right;
  color: var(--bt-gold-soft);
  word-break: break-all;
}

.page-products .pr-dl__actions {
  margin-top: 1.25rem;
}

/* ---------- 分类维度卡片 ---------- */
.page-products .pr-dims {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .page-products .pr-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pr-dim {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1.15rem 1.15rem 1.35rem;
  background: #ffffff;
  border: 1px solid var(--pr-line);
  border-top: 3px solid var(--bt-mist);
  transition: transform var(--bt-dur) var(--bt-ease),
              box-shadow var(--bt-dur) var(--bt-ease),
              border-color var(--bt-dur) var(--bt-ease);
}

.page-products .pr-dim:hover {
  transform: translateY(-3px);
  box-shadow: var(--bt-shadow);
  border-top-color: var(--bt-gold);
}

.page-products .pr-dim__count {
  font-family: var(--bt-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--bt-mist);
}

.page-products .pr-dim__name {
  margin: 0;
  font-family: var(--bt-serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--bt-ink);
}

.page-products .pr-dim__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--pr-body);
}

/* ---------- 功能卡 ---------- */
.page-products .pr-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

@media (min-width: 700px) {
  .page-products .pr-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pr-feature {
  padding: 1.05rem 0 1.05rem 1.1rem;
  border-left: 3px solid var(--bt-gold-soft);
  transition: border-color var(--bt-dur) var(--bt-ease);
}

.page-products .pr-feature:hover {
  border-left-color: var(--bt-gold);
}

.page-products .pr-feature__title {
  margin: 0 0 .35rem;
  font-family: var(--bt-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--bt-ink);
}

.page-products .pr-feature__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--pr-body);
}

/* ---------- 表格 ---------- */
.page-products .pr-tableWrap {
  overflow-x: auto;
  background: #ffffff;
  border: 1px solid var(--pr-line);
}

.page-products .pr-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .9rem;
}

.page-products .pr-table th,
.page-products .pr-table td {
  text-align: left;
  vertical-align: top;
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--pr-line-soft);
  line-height: 1.7;
}

.page-products .pr-table th {
  font-family: var(--bt-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--bt-ink);
  background: var(--bt-mist-soft);
  white-space: nowrap;
}

.page-products .pr-table td {
  color: var(--pr-body);
}

.page-products .pr-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pr-table tbody tr:nth-child(even) {
  background: rgba(220, 231, 227, .32);
}

.page-products .pr-table tbody td:first-child {
  font-family: var(--bt-mono);
  font-size: .8rem;
  color: var(--bt-gold-deep);
  white-space: nowrap;
}

.page-products .pr-table--spec td:first-child {
  font-family: var(--bt-sans);
  font-size: .9rem;
  color: var(--bt-ink);
  white-space: nowrap;
}

/* ---------- 使用场景 ---------- */
.page-products .pr-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

@media (min-width: 1040px) {
  .page-products .pr-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

.page-products .pr-scene {
  padding-top: 1rem;
  border-top: 2px solid var(--bt-ink);
}

.page-products .pr-scene__role {
  margin: 0 0 .5rem;
  font-family: var(--bt-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--bt-gold-deep);
}

.page-products .pr-scene__title {
  margin: 0 0 .5rem;
  font-family: var(--bt-serif);
  font-size: 1.04rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--bt-ink);
}

.page-products .pr-scene__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--pr-body);
}

.page-products .pr-newsCard {
  display: block;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  text-decoration: none;
  color: inherit;
}

/* ---------- 系统要求与支持 ---------- */
.page-products .pr-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

@media (min-width: 900px) {
  .page-products .pr-support {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

.page-products .pr-help__title {
  margin: 0 0 .75rem;
  font-family: var(--bt-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--bt-ink);
}

.page-products .pr-help p {
  margin: 0 0 1.25rem;
  max-width: 56ch;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--pr-body);
}

.page-products .pr-help p a {
  color: var(--bt-gold-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--bt-dur) var(--bt-ease);
}

.page-products .pr-help p a:hover,
.page-products .pr-help p a:focus-visible {
  color: var(--bt-ink);
}

.page-products .pr-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1rem;
  align-items: center;
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 480px) {
  .page-products .pr-dl__row {
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
  }
  .page-products .pr-dl__row dd {
    text-align: left;
  }
  .page-products .pr-hero__stats {
    gap: 1rem 1.5rem;
  }
}
</final>