.page-products {
  --pd-feature-gap: 1.5rem;
  --pd-panel-border: 3px;
}

/* 页面声明区 */
.page-products .pd-intro {
  position: relative;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 2.5rem 1.25rem 3.25rem;
}
.page-products .pd-intro::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 76%, rgba(255, 107, 53, 0.9) 76% 77%, transparent 77% 100%),
    repeating-linear-gradient(-45deg, transparent 0 26px, rgba(255, 255, 255, 0.05) 26px 27px);
}
.page-products .pd-intro-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
}
.page-products .pd-intro .breadcrumb {
  margin-bottom: 1.5rem;
}
.page-products .pd-intro .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
  font-size: 0.875rem;
}
.page-products .pd-intro .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}
.page-products .pd-intro .breadcrumb-item a:hover {
  color: var(--orange);
}
.page-products .pd-intro .breadcrumb-item[aria-current="page"] {
  color: var(--orange);
}
.page-products .pd-intro .breadcrumb-sep {
  color: rgba(255, 255, 255, 0.45);
}
.page-products .pd-kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 0.75rem;
}
.page-products .pd-kicker-dot {
  width: 0.625rem;
  height: 0.625rem;
  background: var(--orange);
  display: inline-block;
  transform: rotate(45deg);
}
.page-products .pd-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 780px;
}
.page-products .pd-lead {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0;
}

/* 规模指标 */
.page-products .pd-metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 2rem;
  max-width: 860px;
}
.page-products .pd-metric {
  background: var(--navy);
  padding: 1rem 1.1rem;
}
.page-products .pd-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}
.page-products .pd-metric-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
}

/* 内容目录 */
.page-products .pd-directory {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.75rem;
}
.page-products .pd-directory a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.5rem 0.875rem;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .pd-directory a:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
}

/* 通用章节 */
.page-products .pd-section {
  padding: 2.75rem 1.25rem 3rem;
}
.page-products .pd-features {
  background: var(--light);
}
.page-products .sec-head {
  max-width: var(--container);
  margin: 0 auto 1.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.875rem 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--navy);
}
.page-products .sec-head-left {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.page-products .sec-index {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
  font-size: 0.9375rem;
}
.page-products .sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.2;
  margin: 0;
  color: var(--navy);
}
.page-products .sec-note {
  margin: 0;
  max-width: 560px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.page-products .sec-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 0.15rem;
}

/* 核心功能：整行堆叠卡片 */
.page-products .feature-stack {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1.75rem;
}
.page-products .feature-row {
  position: relative;
  display: grid;
  gap: 1.25rem;
  padding: 1.5rem;
  border: var(--pd-panel-border) solid var(--navy);
  box-shadow: var(--shadow-lg);
  background: var(--white);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.page-products .feature-row:hover {
  transform: translate(-3px, -3px);
  box-shadow: 16px 16px 0 rgba(10, 30, 63, 0.18);
}
.page-products .feature-row-main {
  min-width: 0;
}
.page-products .feature-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange);
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.4);
  padding: 0.25rem 0.5rem;
  margin-bottom: 0.9rem;
}
.page-products .feature-row h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.3;
  color: var(--navy);
  margin: 0 0 0.75rem;
}
.page-products .feature-row p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  font-size: 0.95rem;
}
.page-products .feature-points {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.page-products .feature-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
}
.page-products .feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.625rem;
  height: 0.625rem;
  background: var(--orange);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-products .feature-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
  text-decoration: none;
}
.page-products .feature-row-dark {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  color: rgba(255, 255, 255, 0.88);
}
.page-products .feature-row-dark h3 {
  color: var(--white);
}
.page-products .feature-row-dark p,
.page-products .feature-row-dark .feature-points li {
  color: rgba(255, 255, 255, 0.78);
}
.page-products .feature-row-dark .feature-index {
  background: rgba(255, 107, 53, 0.15);
  border-color: rgba(255, 107, 53, 0.55);
}
.page-products .feature-row-dark .feature-link {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* 图片容器 */
.page-products .feature-figure,
.page-products .data-figure,
.page-products .roadmap-figure,
.page-products .install-figure {
  margin: 0;
  background: var(--light);
  border: 2px solid var(--navy);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.page-products .feature-figure img,
.page-products .data-figure img,
.page-products .roadmap-figure img,
.page-products .install-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products figcaption {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
}
.page-products .feature-row-dark figcaption {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.68);
  border-color: rgba(255, 255, 255, 0.14);
}
.page-products .feature-row-dark .feature-figure {
  border-color: var(--orange);
}

/* 数据能力 */
.page-products .pd-data {
  background: var(--navy);
  color: var(--white);
}
.page-products .pd-data .sec-head {
  border-bottom-color: var(--orange);
}
.page-products .pd-data .sec-title {
  color: var(--white);
}
.page-products .pd-data .sec-note {
  color: rgba(255, 255, 255, 0.7);
}
.page-products .data-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}
.page-products .data-figure {
  border-width: 3px;
  border-color: var(--orange);
  background: var(--navy-deep);
  box-shadow: 10px 10px 0 rgba(7, 20, 41, 0.6);
}
.page-products .data-figure figcaption {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.66);
  border-color: rgba(255, 255, 255, 0.12);
}
.page-products .data-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}
.page-products .data-item {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  padding: 1rem 1.15rem;
  background: var(--navy-deep);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-left: 4px solid var(--orange);
}
.page-products .data-dot {
  margin-top: 0.4rem;
}
.page-products .data-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--white);
}
.page-products .data-desc {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.68);
}
.page-products .data-banner {
  max-width: var(--container);
  margin: 2rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}
.page-products .data-banner span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--orange);
  border: 1px solid var(--orange);
  background: rgba(255, 107, 53, 0.08);
  padding: 0.45rem 0.75rem;
}

/* 版本迭代 */
.page-products .pd-roadmap {
  background: var(--light);
}
.page-products .roadmap-note {
  max-width: var(--container);
  margin: -0.75rem auto 1.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}
.page-products .roadmap-wrap {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}
.page-products .roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.5rem;
  display: grid;
  gap: 1.25rem;
  position: relative;
}
.page-products .roadmap-list::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 3px;
  background: var(--navy);
}
.page-products .roadmap-item {
  position: relative;
  padding-left: 3.25rem;
}
.page-products .roadmap-item::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.35rem;
  width: 0.625rem;
  height: 0.625rem;
  background: var(--orange);
  border: 3px solid var(--navy);
  transform: rotate(45deg);
}
.page-products .roadmap-version {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange);
  background: var(--navy);
  padding: 0.25rem 0.625rem;
  margin-bottom: 0.625rem;
}
.page-products .roadmap-card {
  display: block;
  background: var(--white);
  border: 3px solid var(--navy);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem 1.25rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.page-products .roadmap-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
}
.page-products .roadmap-card summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--navy);
  list-style: none;
}
.page-products .roadmap-card summary::-webkit-details-marker {
  display: none;
}
.page-products .roadmap-card summary::before {
  content: "+";
  display: inline-block;
  margin-right: 0.6rem;
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 700;
}
.page-products .roadmap-card[open] summary::before {
  content: "–";
}
.page-products .roadmap-card p {
  margin: 0.875rem 0 0;
  color: var(--text-secondary);
  font-size: 0.9125rem;
  line-height: 1.65;
}
.page-products .roadmap-figure {
  border-width: 3px;
}
.page-products .roadmap-credit {
  max-width: var(--container);
  margin: 1.75rem auto 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.page-products .roadmap-credit a {
  color: var(--orange);
  border-bottom: 2px solid var(--orange);
  text-decoration: none;
}

/* 下载与安装 */
.page-products .pd-install {
  background: var(--white);
}
.page-products .install-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}
.page-products .install-left {
  display: grid;
  gap: 1.5rem;
}
.page-products .install-box {
  position: relative;
  background: var(--light);
  border: 3px solid var(--navy);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.5rem 1.5rem;
}
.page-products .install-box::before {
  content: "";
  position: absolute;
  left: -3px;
  top: -3px;
  width: 6rem;
  height: 0.625rem;
  background: var(--orange);
}
.page-products .install-box h3 {
  font-family: var(--font-display);
  color: var(--navy);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}
.page-products .install-box p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 0.75rem;
}
.page-products .install-box p:last-child {
  margin-bottom: 0;
}
.page-products .install-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}
.page-products .install-steps li {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.55;
}
.page-products .step-num {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  border: 2px solid var(--navy);
  box-shadow: 3px 3px 0 var(--orange);
}
.page-products .install-figure {
  border-width: 3px;
}
.page-products .install-help {
  max-width: var(--container);
  margin: 2.5rem auto 0;
  padding: 1.5rem;
  background: var(--navy);
  color: var(--white);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-products .install-help p {
  flex: 1 1 300px;
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
}
.page-products .install-cta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--white);
  border: 2px solid var(--white);
  padding: 0.625rem 1rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.page-products .install-cta:hover {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--navy);
}
.page-products .install-cta-solid {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--navy);
}
.page-products .install-cta-solid:hover {
  background: var(--white);
  border-color: var(--white);
}

/* 焦点可见性 */
.page-products a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-products .pd-intro {
    padding: 4rem 2rem 4.5rem;
  }
  .page-products .pd-section {
    padding: 4rem 2rem 4.5rem;
  }
  .page-products .pd-metric-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .feature-row {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
  }
  .page-products .feature-row-dark {
    grid-template-columns: 0.9fr 1.1fr;
  }
  .page-products .feature-row-dark .feature-figure {
    order: -1;
  }
  .page-products .data-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .page-products .roadmap-wrap {
    grid-template-columns: 1fr 0.85fr;
    align-items: start;
  }
  .page-products .install-grid {
    grid-template-columns: 1fr 0.85fr;
    align-items: start;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-products .feature-row,
  .page-products .roadmap-card,
  .page-products .feature-row:hover,
  .page-products .roadmap-card:hover {
    transition: none;
    transform: none;
    box-shadow: var(--shadow-sm);
  }
}