/* ===== 页面专属：.page-products ===== */
.page-products {
  --card-transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  --card-gap: var(--space-lg, 2rem);
  --card-min-height: 420px;
  --demo-card-bg: #F1FAEE;
  --showcase-bg: #E8F0E4;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  color: var(--c-charcoal, #333);
  background: var(--c-off-white, #F1FAEE);
  padding-bottom: var(--space-2xl, 5rem);
}

/* 容器 */
.page-products .container {
  max-width: var(--max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md, 1rem);
  padding-right: var(--space-md, 1rem);
}

/* ---------- 面包屑 ---------- */
.page-products__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-xs, 0.25rem);
  padding-top: var(--space-lg, 2rem);
  padding-bottom: var(--space-sm, 0.5rem);
  font-size: 0.85rem;
  font-family: var(--font-mono, 'Courier New', monospace);
  color: var(--c-charcoal, #333);
}

.page-products__breadcrumb-link {
  color: var(--c-tech-blue, #1D3557);
  text-decoration: none;
  transition: color 0.2s;
}

.page-products__breadcrumb-link:hover {
  color: var(--c-primary-hover, #C1121F);
}

.page-products__breadcrumb-sep {
  color: var(--c-gold, #F4A261);
  margin: 0 var(--space-xs, 0.25rem);
}

.page-products__breadcrumb-current {
  color: var(--c-charcoal, #333);
  font-weight: 600;
}

/* ---------- 标题区 ---------- */
.page-products__hero {
  position: relative;
  padding-top: var(--space-lg, 2rem);
  padding-bottom: var(--space-xl, 3rem);
}

.page-products__hero-index {
  display: inline-block;
  margin-bottom: var(--space-sm, 0.5rem);
  font-size: 1rem;
}

.page-products__hero-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 2.2rem;
  line-height: 1.2;
  color: var(--c-tech-blue, #1D3557);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-products__hero-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-charcoal, #333);
  max-width: 720px;
  margin: 0 0 var(--space-md, 1rem);
}

.page-products__hero-deco {
  margin-top: var(--space-md, 1rem);
}

/* ---------- 卡片网格 ---------- */
.page-products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
  padding-bottom: var(--space-xl, 3rem);
}

/* ---------- 卡片通用 ---------- */
.page-products__card {
  perspective: 1000px;
  min-height: var(--card-min-height);
}

.page-products__card-inner {
  position: relative;
  width: 100%;
  min-height: var(--card-min-height);
  transition: transform var(--card-transition);
  transform-style: preserve-3d;
  cursor: default;
}

.page-products__card:hover .page-products__card-inner {
  transform: rotateY(180deg);
}

.page-products__card-front,
.page-products__card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--card-min-height);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius, 4px);
  padding: var(--space-lg, 2rem);
  box-shadow: var(--shadow-panel, 0 4px 20px rgba(0,0,0,0.08));
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.page-products__card-front {
  background: #fff;
  border-left: 6px solid transparent;
}

.page-products__card-back {
  background: #fff;
  border-left: 6px solid var(--c-gold, #F4A261);
  transform: rotateY(180deg);
  justify-content: center;
}

/* 卡片边框颜色 */
.page-products__card--red .page-products__card-front {
  border-left-color: var(--c-primary, #E63946);
}
.page-products__card--blue .page-products__card-front {
  border-left-color: var(--c-tech-blue, #1D3557);
}
.page-products__card--gold .page-products__card-front {
  border-left-color: var(--c-gold, #F4A261);
}
.page-products__card--teal .page-products__card-front {
  border-left-color: var(--c-teal, #2A9D8F);
}

/* 卡片正面元素 */
.page-products__card-index {
  display: inline-block;
  font-size: 1.2rem;
  color: var(--c-gold, #F4A261);
  margin-bottom: var(--space-sm, 0.5rem);
  letter-spacing: 0.08em;
}

.page-products__card-icon {
  margin-bottom: var(--space-sm, 0.5rem);
}

.page-products__card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.3rem;
  color: var(--c-tech-blue, #1D3557);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-products__card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--c-charcoal, #333);
  margin: 0 0 var(--space-md, 1rem);
  flex: 1;
}

.page-products__card-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius, 4px);
  object-fit: cover;
  margin-bottom: var(--space-sm, 0.5rem);
}

.page-products__card-hint {
  font-size: 0.75rem;
  color: var(--c-border, #CCC);
  text-align: right;
  margin-top: auto;
  letter-spacing: 0.05em;
}

/* 卡片背面元素 */
.page-products__card-back-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-tech-blue, #1D3557);
  margin: 0 0 var(--space-md, 1rem);
  letter-spacing: 0.04em;
}

.page-products__card-back-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 0.5rem);
}

.page-products__card-back-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--c-charcoal, #333);
}

.page-products__card-back-list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--c-gold, #F4A261);
  font-weight: 700;
}

.page-products__card-back-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 联赛切换演示 ---------- */
.page-products__demo {
  padding-top: var(--space-xl, 3rem);
  padding-bottom: var(--space-xl, 3rem);
  border-top: 2px dashed var(--c-border, #CCC);
}

.page-products__demo-index {
  display: inline-block;
  margin-bottom: var(--space-sm, 0.5rem);
  font-size: 1rem;
}

.page-products__demo-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.6rem;
  color: var(--c-tech-blue, #1D3557);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-products__demo-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--c-charcoal, #333);
  margin: 0 0 var(--space-lg, 2rem);
  max-width: 600px;
}

/* 标签栏 */
.page-products__demo-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--c-border, #CCC);
  margin-bottom: var(--space-lg, 2rem);
  flex-wrap: wrap;
}

.page-products__demo-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.page-products__demo-label {
  display: inline-block;
  padding: var(--space-sm, 0.5rem) var(--space-lg, 2rem);
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-charcoal, #333);
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  user-select: none;
}

.page-products__demo-label:hover {
  color: var(--c-primary, #E63946);
}

#league-pl:checked ~ .page-products__demo-tabs label[for="league-pl"],
#league-la:checked ~ .page-products__demo-tabs label[for="league-la"],
#league-sa:checked ~ .page-products__demo-tabs label[for="league-sa"] {
  color: var(--c-tech-blue, #1D3557);
  border-bottom-color: var(--c-primary, #E63946);
}

/* 面板容器 */
.page-products__demo-panels {
  position: relative;
  min-height: 240px;
}

.page-products__demo-panel {
  display: none;
  animation: pageProductsFadeIn 0.35s ease;
}

#league-pl:checked ~ .page-products__demo-panels #panel-pl,
#league-la:checked ~ .page-products__demo-panels #panel-la,
#league-sa:checked ~ .page-products__demo-panels #panel-sa {
  display: block;
}

@keyframes pageProductsFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 演示卡片 */
.page-products__demo-card {
  background: var(--demo-card-bg);
  border-left: 6px solid var(--c-tech-blue, #1D3557);
  border-radius: var(--radius, 4px);
  padding: var(--space-lg, 2rem);
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.06));
  display: flex;
  flex-direction: column;
  gap: var(--space-sm, 0.5rem);
}

.page-products__demo-card-index {
  font-size: 1rem;
  color: var(--c-gold, #F4A261);
  letter-spacing: 0.08em;
}

.page-products__demo-card-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-tech-blue, #1D3557);
  margin: 0;
}

.page-products__demo-card-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--c-charcoal, #333);
  margin: 0;
}

.page-products__demo-card-stat {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm, 0.5rem);
  margin: var(--space-sm, 0.5rem) 0;
}

.page-products__demo-stat-value {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-primary, #E63946);
}

.page-products__demo-stat-label {
  font-size: 0.85rem;
  color: var(--c-charcoal, #333);
}

.page-products__demo-card-btn {
  align-self: flex-start;
  margin-top: var(--space-sm, 0.5rem);
}

/* ---------- 综合功能展示 ---------- */
.page-products__showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg, 2rem);
  padding-top: var(--space-xl, 3rem);
  padding-bottom: var(--space-xl, 3rem);
  background: var(--showcase-bg);
  border-radius: var(--radius, 4px);
  margin-top: var(--space-lg, 2rem);
  margin-bottom: var(--space-lg, 2rem);
}

.page-products__showcase-content {
  padding: 0 var(--space-lg, 2rem);
}

.page-products__showcase-index {
  display: inline-block;
  margin-bottom: var(--space-sm, 0.5rem);
  font-size: 1rem;
}

.page-products__showcase-title {
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1.5rem;
  color: var(--c-tech-blue, #1D3557);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.page-products__showcase-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--c-charcoal, #333);
  margin: 0 0 var(--space-lg, 1.5rem);
  max-width: 600px;
}

.page-products__showcase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md, 1rem);
}

.page-products__showcase-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm, 0.5rem);
  font-size: 0.95rem;
  color: var(--c-charcoal, #333);
}

.page-products__showcase-item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.page-products__showcase-image {
  padding: 0 var(--space-lg, 2rem);
}

.page-products__showcase-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius, 4px);
  object-fit: cover;
  box-shadow: var(--shadow-card, 0 2px 12px rgba(0,0,0,0.06));
}

/* ---------- 信任声明 ---------- */
.page-products__trust {
  padding-top: var(--space-xl, 3rem);
  padding-bottom: var(--space-lg, 2rem);
  text-align: center;
}

.page-products__trust-text {
  font-size: 0.85rem;
  color: var(--c-charcoal, #333);
  opacity: 0.7;
  margin: 0 0 var(--space-md, 1rem);
  line-height: 1.5;
}

.page-products__trust-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm, 0.5rem);
  flex-wrap: wrap;
}

.page-products__trust-link {
  font-size: 0.85rem;
  color: var(--c-tech-blue, #1D3557);
  text-decoration: none;
  transition: color 0.2s;
}

.page-products__trust-link:hover {
  color: var(--c-primary-hover, #C1121F);
}

.page-products__trust-sep {
  color: var(--c-border, #CCC);
}

/* ---------- 全局按钮覆盖 ---------- */
.page-products .btn--primary {
  background: var(--c-primary, #E63946);
  color: #fff;
  border: 2px solid var(--c-primary, #E63946);
  padding: 0.5rem 1.2rem;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius, 4px);
  transition: all 0.25s ease;
  display: inline-block;
  cursor: pointer;
}

.page-products .btn--primary:hover {
  background: var(--c-primary-hover, #C1121F);
  border-color: var(--c-primary-hover, #C1121F);
  transform: scale(1.02);
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--c-tech-blue, #1D3557);
  border: 2px solid var(--c-tech-blue, #1D3557);
  padding: 0.4rem 1rem;
  font-family: var(--font-heading, 'Montserrat', sans-serif);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius, 4px);
  transition: all 0.25s ease;
  display: inline-block;
  cursor: pointer;
}

.page-products .btn--ghost:hover {
  background: var(--c-tech-blue, #1D3557);
  color: #fff;
  transform: scale(1.02);
}

/* ---------- mono 复用 ---------- */
.page-products .mono {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-weight: 600;
}

/* ---------- index-tag 复用 ---------- */
.page-products .index-tag {
  font-family: var(--font-mono, 'Courier New', monospace);
  font-weight: 600;
  font-size: 0.85em;
  color: var(--c-gold, #F4A261);
  letter-spacing: 0.05em;
}

/* ===== 响应式 ===== */

/* 移动端（默认）已适配 */

/* 平板及以上 */
@media (min-width: 640px) {
  .page-products__hero-title {
    font-size: 2.6rem;
  }

  .page-products__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__card {
    min-height: 460px;
  }

  .page-products__card-inner {
    min-height: 460px;
  }

  .page-products__card-front,
  .page-products__card-back {
    min-height: 460px;
  }

  .page-products__showcase {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-products__showcase-list {
    grid-template-columns: 1fr;
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-products__hero-title {
    font-size: 3rem;
  }

  .page-products__hero-desc {
    font-size: 1.1rem;
  }

  .page-products__grid {
    gap: var(--space-xl, 3rem);
  }

  .page-products__card {
    min-height: 500px;
  }

  .page-products__card-inner {
    min-height: 500px;
  }

  .page-products__card-front,
  .page-products__card-back {
    min-height: 500px;
    padding: var(--space-xl, 3rem);
  }

  .page-products__card-title {
    font-size: 1.5rem;
  }

  .page-products__demo-tabs {
    justify-content: flex-start;
  }

  .page-products__demo-card {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .page-products__demo-card-index {
    width: 100%;
  }

  .page-products__demo-card-title {
    flex: 1 1 60%;
  }

  .page-products__demo-card-stat {
    flex: 0 0 auto;
  }

  .page-products__demo-card-btn {
    flex: 0 0 auto;
    margin-top: 0;
  }

  .page-products__showcase {
    padding: var(--space-xl, 3rem);
  }

  .page-products__showcase-list {
    grid-template-columns: 1fr 1fr;
  }
}

/* 大桌面 */
@media (min-width: 1280px) {
  .page-products__grid {
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }
}