/* 页面专属样式 — 产品中心 */
.page-products {
  --products-gold-glow: 0 0 20px rgba(212, 175, 55, 0.35);
  --products-crimson-bg: linear-gradient(135deg, #1a0505 0%, #2d0808 40%, #0d0d0d 100%);
  --products-card-bg: rgba(13, 13, 13, 0.85);
  --products-timeline-neon: #00BFFF;
  --products-timeline-neon-glow: 0 0 12px rgba(0, 191, 255, 0.5);
  --products-version-line: #39FF14;
  --products-version-line-glow: 0 0 8px rgba(57, 255, 20, 0.4);
  display: block;
}

/* 内部容器 */
.page-products .products__inner {
  max-width: var(--content-max, 1200px);
  margin: 0 auto;
  padding: 0 var(--gap, 24px) 60px;
}

/* 面包屑 */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 8px;
  font-size: 0.85rem;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  color: var(--rock-gray, #8B8682);
  letter-spacing: 0.5px;
}
.page-products .breadcrumb a {
  color: var(--gold, #D4AF37);
  text-decoration: none;
  transition: color var(--transition, 0.35s);
}
.page-products .breadcrumb a:hover {
  color: var(--gold-light, #E8C84A);
}
.page-products .breadcrumb__sep {
  color: var(--crimson, #8B0000);
  font-size: 0.6rem;
  margin: 0 2px;
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--text-light, #FFFFFF);
  opacity: 0.8;
}

/* 页面标题区 */
.page-products .products__header {
  padding: 20px 0 36px;
  border-bottom: 2px solid rgba(212, 175, 55, 0.2);
  margin-bottom: 32px;
}
.page-products .products__title {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--gold, #D4AF37), var(--crimson, #8B0000));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 8px;
  line-height: 1.15;
}
.page-products .products__subtitle {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--rock-gray, #8B8682);
  letter-spacing: 1px;
  margin: 0 0 12px;
}
.page-products .products__desc {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--text-light, #FFFFFF);
  line-height: 1.7;
  max-width: 760px;
  opacity: 0.85;
}
.page-products .products__desc a {
  color: var(--gold, #D4AF37);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition, 0.35s);
}
.page-products .products__desc a:hover {
  color: var(--gold-light, #E8C84A);
}

/* ===== 分类对照卡片区 ===== */
.page-products .products-classification {
  position: relative;
  margin: 48px 0 56px;
  padding: 40px 0 48px;
  background: var(--products-crimson-bg);
  border-radius: var(--radius, 4px);
  overflow: hidden;
}
.page-products .classification__bg-layer {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 40%, rgba(139, 0, 0, 0.4), transparent 70%),
              radial-gradient(ellipse at 80% 60%, rgba(212, 175, 55, 0.08), transparent 50%);
  pointer-events: none;
}
.page-products .classification__inner {
  position: relative;
  z-index: 1;
  padding: 0 var(--gap, 24px);
}
.page-products .classification__title {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--gold, #D4AF37);
  letter-spacing: 1.5px;
  margin: 0 0 10px;
}
.page-products .classification__intro {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--rock-gray, #8B8682);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 32px;
}
.page-products .classification__intro a {
  color: var(--gold-light, #E8C84A);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 卡片网格 — 不对称布局 */
.page-products .classification-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 48px;
}
@media (min-width: 600px) {
  .page-products .classification-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-products .classification-card--featured {
    grid-column: 1 / -1;
  }
  .page-products .classification-card--v4 {
    grid-column: 1 / -1;
  }
}
@media (min-width: 960px) {
  .page-products .classification-grid {
    grid-template-columns: 1fr 1fr 1fr;
    grid-auto-rows: auto;
  }
  .page-products .classification-card--featured {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
  }
  .page-products .classification-card--v4 {
    grid-column: 2 / 4;
  }
}

/* 单个卡片 */
.page-products .classification-card {
  display: flex;
  flex-direction: column;
  background: var(--products-card-bg);
  border: 2px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius, 4px);
  overflow: hidden;
  transition: border-color var(--transition, 0.35s), box-shadow var(--transition, 0.35s), transform 0.4s;
  position: relative;
}
.page-products .classification-card:hover {
  border-color: var(--gold, #D4AF37);
  box-shadow: var(--products-gold-glow);
  transform: translateY(-4px);
}
.page-products .classification-card:focus-within {
  border-color: var(--gold-light, #E8C84A);
  box-shadow: var(--products-gold-glow);
}
.page-products .classification-card--v4 {
  border-color: rgba(0, 191, 255, 0.25);
}
.page-products .classification-card--v4:hover {
  border-color: var(--neon-blue, #00BFFF);
  box-shadow: 0 0 24px rgba(0, 191, 255, 0.25);
}

/* 卡片图片 */
.page-products .card__image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--black-soft, #0D0D0D);
}
.page-products .card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.page-products .classification-card:hover .card__thumb {
  transform: scale(1.05);
}
.page-products .card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gold, #D4AF37);
  color: var(--black, #000000);
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
}
.page-products .card__badge--alt {
  background: var(--crimson-light, #B22222);
  color: var(--text-light, #FFFFFF);
}

/* 卡片内容 */
.page-products .card__body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.page-products .card__name {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--gold-light, #E8C84A);
  margin: 0 0 8px;
  letter-spacing: 0.5px;
}
.page-products .card__summary {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  color: var(--text-light, #FFFFFF);
  line-height: 1.6;
  opacity: 0.8;
  margin: 0 0 14px;
  flex: 1;
}

/* 参数列表 */
.page-products .card__params {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-products .param__item {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.78rem;
}
.page-products .param__item dt {
  color: var(--rock-gray, #8B8682);
  font-weight: 400;
}
.page-products .param__item dt::after {
  content: "：";
}
.page-products .param__item dd {
  color: var(--cream, #F5F0E8);
  font-weight: 600;
  margin: 0;
}

/* 卡片按钮 */
.page-products .card__more {
  align-self: flex-start;
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 8px 20px;
  border-radius: 2px;
  transition: opacity var(--transition, 0.35s), box-shadow var(--transition, 0.35s);
}
.page-products .card__more:hover {
  opacity: 0.85;
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.3);
}

/* 分类对照流程图 */
.page-products .classification__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 32px 16px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--radius, 4px);
  border: 1px solid rgba(212, 175, 55, 0.15);
}
@media (min-width: 680px) {
  .page-products .classification__flow {
    flex-direction: row;
    align-items: center;
    gap: 40px;
    padding: 40px 32px;
  }
}
.page-products .flow__diagram {
  width: 100%;
  max-width: 260px;
  height: auto;
  border-radius: var(--radius, 4px);
  border: 1px solid rgba(212, 175, 55, 0.2);
}
@media (min-width: 680px) {
  .page-products .flow__diagram {
    max-width: 320px;
  }
}
.page-products .flow__text {
  flex: 1;
}
.page-products .flow__text h3 {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--gold, #D4AF37);
  margin: 0 0 10px;
}
.page-products .flow__text p {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.92rem;
  color: var(--text-light, #FFFFFF);
  line-height: 1.7;
  opacity: 0.85;
  margin: 0 0 16px;
}
.page-products .flow__text a {
  color: var(--gold-light, #E8C84A);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== V4老虎机厂商专区 ===== */
.page-products .products-v4 {
  margin: 48px 0 56px;
  padding: 40px 0 48px;
  background: var(--black-soft, #0D0D0D);
  border-radius: var(--radius, 4px);
  border: 1px solid rgba(0, 191, 255, 0.15);
}
.page-products .v4__inner {
  padding: 0 var(--gap, 24px);
}
.page-products .v4__title {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--neon-blue, #00BFFF);
  letter-spacing: 1.5px;
  margin: 0 0 10px;
  text-shadow: 0 0 12px rgba(0, 191, 255, 0.3);
}
.page-products .v4__intro {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--rock-gray, #8B8682);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 36px;
}

/* 时间线 */
.page-products .v4-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-left: 40px;
}
@media (min-width: 640px) {
  .page-products .v4-timeline {
    padding-left: 60px;
    gap: 40px;
  }
}
.page-products .timeline__track {
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--neon-blue, #00BFFF), var(--neon-green, #39FF14));
  box-shadow: var(--products-timeline-neon-glow);
  border-radius: 2px;
}
@media (min-width: 640px) {
  .page-products .timeline__track {
    left: 20px;
  }
}

/* 时间线节点 */
.page-products .timeline__node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
@media (min-width: 540px) {
  .page-products .timeline__node {
    flex-direction: row;
    gap: 24px;
  }
}
.page-products .node__marker {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.page-products .marker__dot {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon-blue, #00BFFF);
  box-shadow: var(--products-timeline-neon-glow);
  border: 3px solid var(--black, #000000);
  z-index: 1;
  transition: transform 0.3s;
}
@media (min-width: 640px) {
  .page-products .marker__dot {
    width: 22px;
    height: 22px;
  }
}
.page-products .timeline__node:hover .marker__dot {
  transform: scale(1.25);
  background: var(--neon-green, #39FF14);
}
.page-products .marker__label {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--neon-blue, #00BFFF);
  letter-spacing: 1px;
}
@media (min-width: 640px) {
  .page-products .marker__label {
    font-size: 1rem;
  }
}

/* 节点内容 */
.page-products .node__content {
  flex: 1;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 191, 255, 0.15);
  border-radius: var(--radius, 4px);
  padding: 16px 20px 20px;
  transition: border-color var(--transition, 0.35s), box-shadow var(--transition, 0.35s);
}
.page-products .timeline__node:hover .node__content {
  border-color: rgba(0, 191, 255, 0.4);
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.1);
}
.page-products .node__img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 2px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.page-products .node__title {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--neon-blue, #00BFFF);
  margin: 0 0 6px;
}
.page-products .node__desc {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.88rem;
  color: var(--text-light, #FFFFFF);
  line-height: 1.7;
  opacity: 0.8;
  margin: 0;
}

/* V4 CTA */
.page-products .v4__cta {
  margin-top: 40px;
  padding: 28px 24px;
  background: rgba(0, 191, 255, 0.05);
  border: 1px solid rgba(0, 191, 255, 0.2);
  border-radius: var(--radius, 4px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
@media (min-width: 600px) {
  .page-products .v4__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.page-products .cta__text {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.92rem;
  color: var(--text-light, #FFFFFF);
  line-height: 1.7;
  opacity: 0.85;
  margin: 0;
  max-width: 560px;
}

/* ===== 版本更新记录 ===== */
.page-products .products-versions {
  margin: 48px 0 56px;
}
.page-products .versions__inner {
  padding: 0;
}
.page-products .versions__title {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--gold, #D4AF37);
  letter-spacing: 1.5px;
  margin: 0 0 10px;
}
.page-products .versions__intro {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--rock-gray, #8B8682);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 0 32px;
}

/* 版本列表 */
.page-products .versions__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.page-products .version__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(13, 13, 13, 0.6);
  border-left: 4px solid var(--gold, #D4AF37);
  border-radius: 0 var(--radius, 4px) var(--radius, 4px) 0;
  transition: border-color var(--transition, 0.35s), background var(--transition, 0.35s);
}
.page-products .version__item:hover {
  border-left-color: var(--neon-green, #39FF14);
  background: rgba(13, 13, 13, 0.85);
}
.page-products .version__tag {
  flex-shrink: 0;
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--gold-dark, #B8962E);
  background: rgba(212, 175, 55, 0.12);
  padding: 4px 12px;
  border-radius: 2px;
  letter-spacing: 0.5px;
  line-height: 1.4;
  transition: background var(--transition, 0.35s), color var(--transition, 0.35s);
}
.page-products .version__item:hover .version__tag {
  background: rgba(57, 255, 20, 0.15);
  color: var(--neon-green, #39FF14);
}
.page-products .version__info {
  flex: 1;
}
.page-products .version__name {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-light, #FFFFFF);
  margin: 0 0 4px;
  letter-spacing: 0.3px;
}
.page-products .version__desc {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  color: var(--rock-gray, #8B8682);
  line-height: 1.6;
  margin: 0;
}
.page-products .versions__footnote {
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: 0.88rem;
  color: var(--rock-gray, #8B8682);
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(212, 175, 55, 0.1);
}
.page-products .versions__footnote a {
  color: var(--gold, #D4AF37);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 底部大屏展示 ===== */
.page-products .products-showcase {
  margin: 56px 0 0;
}
.page-products .showcase__inner {
  position: relative;
  border-radius: var(--radius, 4px);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.15);
}
.page-products .showcase__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 380px;
}
@media (min-width: 768px) {
  .page-products .showcase__image {
    max-height: 500px;
  }
}
.page-products .showcase__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 24px 28px;
}
.page-products .showcase__label {
  font-family: var(--font-heading, 'Overpass', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  color: var(--gold, #D4AF37);
  letter-spacing: 3px;
  text-transform: uppercase;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

/* ===== 共享按钮样式（作用域限定） ===== */
.page-products .btn-gold {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-dark, #B8962E), var(--gold, #D4AF37));
  color: var(--black, #000000);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 24px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity var(--transition, 0.35s), box-shadow var(--transition, 0.35s);
}
.page-products .btn-gold:hover {
  opacity: 0.9;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.35);
}
.page-products .btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--crimson-light, #B22222);
  font-family: var(--font-body, 'Inter', 'Noto Sans SC', sans-serif);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 9px 22px;
  border: 2px solid var(--crimson-light, #B22222);
  border-radius: 2px;
  transition: background var(--transition, 0.35s), color var(--transition, 0.35s), box-shadow var(--transition, 0.35s);
}
.page-products .btn-outline:hover {
  background: var(--crimson-light, #B22222);
  color: var(--text-light, #FFFFFF);
  box-shadow: 0 0 16px rgba(178, 34, 34, 0.3);
}

/* ===== 滚动显现 ===== */
.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== 移动端适配 ===== */
@media (max-width: 480px) {
  .page-products .products__inner {
    padding-left: 12px;
    padding-right: 12px;
  }
  .page-products .classification__inner {
    padding: 0 12px;
  }
  .page-products .v4__inner {
    padding: 0 12px;
  }
  .page-products .classification-grid {
    gap: 14px;
  }
  .page-products .card__body {
    padding: 14px 14px 18px;
  }
  .page-products .v4-timeline {
    padding-left: 28px;
    gap: 28px;
  }
  .page-products .timeline__track {
    left: 8px;
  }
  .page-products .node__marker {
    gap: 4px;
  }
  .page-products .marker__dot {
    width: 14px;
    height: 14px;
  }
  .page-products .marker__label {
    font-size: 0.75rem;
  }
  .page-products .version__item {
    flex-direction: column;
    gap: 8px;
    padding: 14px 16px;
  }
  .page-products .showcase__overlay {
    padding: 14px 16px;
  }
}

/* ===== 桌面大间距优化 ===== */
@media (min-width: 1024px) {
  .page-products .products__header {
    padding: 32px 0 44px;
  }
  .page-products .classification-grid {
    gap: 28px;
  }
  .page-products .v4-timeline {
    gap: 48px;
  }
  .page-products .versions__list {
    gap: 20px;
  }
}