.page-products {
  --products-gutter-xl: 72px;
  --products-gutter-lg: 48px;
  --products-gutter-md: 24px;
  --products-transition: all 0.28s var(--ease);
  --products-feature-index-width: 200px;
}

.page-products .text-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* 产品页首屏 */
.page-products .products-hero {
  background: var(--bg-dark);
  background-image:
    linear-gradient(135deg, rgba(139, 0, 0, 0.55) 0%, rgba(14, 14, 16, 0) 62%),
    radial-gradient(circle at 78% 22%, rgba(57, 255, 20, 0.08) 0%, transparent 42%);
  border-bottom: 4px solid var(--primary);
  position: relative;
  overflow: hidden;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 215, 0, 0.24);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-products .products-hero__inner {
  padding-top: 32px;
  padding-bottom: 72px;
  position: relative;
  z-index: 1;
}

.page-products .products-hero__grid {
  display: grid;
  gap: 44px;
  margin-top: 40px;
  grid-template-columns: 1fr;
  align-items: end;
}

.page-products .products-hero__text {
  max-width: 720px;
}

.page-products .products-hero h1 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(2.1rem, 6vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 20px 0 24px;
  text-wrap: balance;
}

.page-products .products-hero__lead {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 600px;
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.page-products .products-hero__aside {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.page-products .products-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
}

.page-products .products-hero__stat-num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.page-products .products-hero__stat:last-child .products-hero__stat-num {
  color: var(--gold);
}

.page-products .products-hero__stat-label {
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.06em;
}

/* 功能索引布局 */
.page-products .products-features {
  background: var(--bg-light);
  color: #17172a;
}

.page-products .products-features__layout {
  display: grid;
  gap: 30px;
  padding-top: 56px;
  padding-bottom: 72px;
  grid-template-columns: 1fr;
}

.page-products .products-features__index {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  padding: 16px;
  z-index: 4;
  backdrop-filter: blur(6px);
}

.page-products .products-features__index-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  width: 100%;
  margin-bottom: 2px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .products-features__index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 0.91rem;
  font-weight: 600;
  color: #313147;
  text-decoration: none;
  padding: 5px 4px;
  border-bottom: 2px solid transparent;
  transition: var(--products-transition);
}

.page-products .products-features__index-link span {
  color: var(--primary);
  font-size: 0.82rem;
}

.page-products .products-features__index-link:hover,
.page-products .products-features__index-link:focus-visible {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.page-products .products-features__main {
  min-width: 0;
}

.page-products .feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 34px 0 40px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.page-products .feature-item:last-of-type {
  border-bottom: none;
}

.page-products .feature-item__num {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(213, 0, 50, 0.22);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.page-products .feature-item h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 14px;
  color: #14141f;
  letter-spacing: -0.02em;
}

.page-products .feature-item p {
  color: #3c3c50;
  line-height: 1.75;
  font-size: 0.98rem;
  max-width: 560px;
}

.page-products .feature-item__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .feature-item__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  color: #24243a;
  line-height: 1.5;
}

.page-products .feature-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 9px;
  height: 9px;
  background: var(--primary);
  transform: rotate(45deg);
  border-radius: 1px;
}

.page-products .feature-item__media {
  min-width: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.page-products .feature-item .img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 下载区域 */
.page-products .products-download {
  background: var(--bg-dark);
  background-image:
    linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, transparent 100%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 14px);
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-products .products-download__grid {
  display: grid;
  gap: 24px;
  margin-top: 36px;
}

.page-products .download-card {
  background: var(--surface-dark);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
  transition: var(--products-transition);
}

.page-products .download-card:hover {
  border-color: rgba(57, 255, 20, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
}

.page-products .download-card--gold {
  border-color: rgba(255, 215, 0, 0.28);
}

.page-products .download-card--gold:hover {
  border-color: rgba(255, 215, 0, 0.6);
}

.page-products .download-card__icon {
  color: var(--accent);
  margin-bottom: 18px;
}

.page-products .download-card--gold .download-card__icon {
  color: var(--gold);
}

.page-products .download-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px;
}

.page-products .download-card p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.page-products .download-card__meta {
  display: block;
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-bottom: 18px;
}

.page-products .download-card__qr {
  display: none;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.page-products .download-card__qr img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}

.page-products .download-card__qr[data-open="true"] {
  display: block;
}

.page-products .products-download__note {
  margin-top: 36px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  line-height: 1.7;
  border-left: 3px solid var(--accent);
  padding-left: 14px;
  max-width: 720px;
  text-align: left;
}

/* 数据面板指南 */
.page-products .products-guide {
  background: var(--bg-light);
  color: #17172a;
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-products .products-guide__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-products .guide-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: guide-step;
}

.page-products .guide-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.page-products .guide-step__num {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  padding-top: 4px;
}

.page-products .guide-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: #14141f;
}

.page-products .guide-step p {
  font-size: 0.94rem;
  color: #3c3c50;
  line-height: 1.7;
  margin: 0;
}

.page-products .products-guide__tip {
  background: var(--surface-dark);
  border-radius: var(--radius);
  padding: 26px;
  align-self: start;
  max-width: 380px;
  border-left: 4px solid var(--gold);
}

.page-products .products-guide__tip h3 {
  font-size: 1.08rem;
  margin: 12px 0 10px;
  color: var(--text-primary);
}

.page-products .products-guide__tip p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.page-products .products-guide__tip .text-muted {
  color: var(--text-secondary);
}

.page-products .products-guide__tip .btn-secondary {
  margin-top: 14px;
}

/* 版本迭代 */
.page-products .products-versions {
  background: var(--surface-dark);
  background-image:
    linear-gradient(135deg, rgba(213, 0, 50, 0.18) 0%, transparent 55%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 32px);
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-products .version-list {
  margin-top: 36px;
  display: grid;
  gap: 14px;
}

.page-products .version-item {
  background: rgba(14, 14, 16, 0.5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .version-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.page-products .version-item__head::-webkit-details-marker {
  display: none;
}

.page-products .version-item__head:hover {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .version-item__num {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.98rem;
  min-width: 68px;
}

.page-products .version-item__title {
  flex: 1;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1rem;
}

.page-products .version-item__tag {
  margin-left: auto;
}

.page-products .version-item__body {
  padding: 6px 22px 18px 68px;
  border-top: 1px solid var(--border-light);
}

.page-products .version-item__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .version-item__body li {
  font-size: 0.93rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.76);
  position: relative;
  padding-left: 18px;
}

.page-products .version-item__body li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.page-products .products-versions__more {
  margin-top: 24px;
  font-size: 0.85rem;
}

/* 底部CTA */
.page-products .products-cta {
  background: var(--primary);
  background-image: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 62%, #e81648 100%);
  padding: 56px 0;
}

.page-products .products-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.page-products .products-cta__code {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}

.page-products .products-cta h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: #fff;
  margin: 0;
  letter-spacing: -0.02em;
}

/* SVG 图标 */
.page-products .download-card__icon svg {
  width: 34px;
  height: 34px;
  display: block;
}

/* 面包屑适配 */
.page-products .breadcrumb {
  margin-bottom: 28px;
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .breadcrumb a {
  color: rgba(255, 255, 255, 0.56);
  text-decoration: none;
  font-size: 0.83rem;
  transition: color 0.2s ease;
}

.page-products .breadcrumb a:hover {
  color: var(--accent);
}

.page-products .breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.page-products .breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 10px;
  color: rgba(255, 255, 255, 0.25);
}

/* 通用容器与标题 */
.page-products .container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-products .section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.page-products .section-title .section-index {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.page-products .section-title h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: #14141f;
}

.page-products .section-title-light h2 {
  color: var(--text-primary);
}

.page-products .section-title-light .section-index {
  color: var(--accent);
}

.page-products .section-title-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(213, 0, 50, 0.55) 0%, transparent 90%);
}

.page-products .section-title-light .section-title-line {
  background: linear-gradient(90deg, rgba(57, 255, 20, 0.5) 0%, transparent 90%);
}

/* 按钮 */
.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-family: var(--font-headline);
  border-radius: var(--radius);
  padding: 12px 22px;
  font-size: 0.94rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--products-transition);
}

.page-products .btn-lg {
  padding: 15px 30px;
  font-size: 1rem;
}

.page-products .btn-sm {
  padding: 8px 16px;
  font-size: 0.86rem;
}

.page-products .btn-accent {
  background: var(--accent);
  color: #062e06;
  border-color: var(--accent);
}

.page-products .btn-accent:hover {
  background: #54ff36;
  box-shadow: 0 4px 18px rgba(57, 255, 20, 0.3);
  transform: translateY(-2px);
}

.page-products .btn-primary {
  background: var(--primary);
  color: #fff;
}

.page-products .btn-primary:hover {
  background: #f02a55;
  color: #fff;
}

.page-products .btn-outline-dark {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.page-products .btn-outline-dark:hover {
  background: #fff;
  color: var(--primary);
}

.page-products .btn-secondary {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.page-products .btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 图像框架 */
.page-products .img-frame {
  overflow: hidden;
  position: relative;
  display: block;
}

.page-products .img-ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.page-products .img-ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.page-products .img-frame-skew {
  border-radius: var(--radius);
}

.page-products .img-frame-skew img {
  transition: transform 0.45s var(--ease);
}

.page-products .img-frame-skew:hover img {
  transform: scale(1.04);
}

.page-products img {
  max-width: 100%;
  height: auto;
}

/* 标签 */
.page-products .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: 100px;
  text-transform: uppercase;
}

.page-products .tag-accent {
  background: rgba(57, 255, 20, 0.12);
  color: var(--accent);
  border: 1px solid rgba(57, 255, 20, 0.4);
}

.page-products .tag-gold {
  background: rgba(255, 215, 0, 0.1);
  color: var(--gold);
  border: 1px solid rgba(255, 215, 0, 0.35);
}

.page-products .card-dark {
  background: var(--surface-dark);
}

.page-products .text-muted {
  color: var(--text-secondary);
}

/* 滚动显现 */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 移动端优先基础调整 */
.page-products .feature-item--reverse {
  direction: ltr;
}

@media (min-width: 720px) {
  .page-products .products-hero__grid {
    grid-template-columns: 1fr auto;
    gap: 60px;
  }

  .page-products .products-hero__aside {
    min-width: 300px;
  }

  .page-products .feature-item {
    grid-template-columns: 1fr 0.85fr;
    gap: 34px;
    align-items: center;
  }

  .page-products .feature-item--reverse .feature-item__body {
    order: 2;
  }

  .page-products .feature-item--reverse .feature-item__media {
    order: 1;
  }

  .page-products .products-download__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .download-card:last-child {
    grid-column: span 2;
  }

  .page-products .products-guide__layout {
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
  }

  .page-products .guide-step {
    grid-template-columns: 96px 1fr;
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-products .products-features__layout {
    grid-template-columns: var(--products-feature-index-width) 1fr;
    gap: 54px;
  }

  .page-products .products-features__index {
    flex-direction: column;
    gap: 10px;
    padding: 20px 18px;
  }

  .page-products .products-features__index-label {
    margin-bottom: 6px;
  }

  .page-products .products-features__index-link {
    width: 100%;
    padding: 8px 6px;
  }

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

  .page-products .download-card:last-child {
    grid-column: auto;
  }

  .page-products .products-cta {
    padding: 70px 0;
  }

  .page-products .products-hero__inner {
    padding-top: 40px;
    padding-bottom: 88px;
  }

  .page-products .products-hero__aside {
    min-width: 360px;
  }
}

@media (max-width: 480px) {
  .page-products .container {
    padding: 0 20px;
  }

  .page-products .products-hero__stat-num {
    font-size: 1.35rem;
  }

  .page-products .products-hero__stat {
    padding: 10px 10px;
  }

  .page-products .feature-item {
    padding: 28px 0 34px;
  }

  .page-products .version-item__body {
    padding-left: 22px;
  }

  .page-products .product-hero h1 {
    font-size: 1.9rem;
  }

  .page-products .section-title {
    gap: 10px;
  }

  .page-products .section-title .section-index {
    font-size: 1.6rem;
  }
}