/* ============================================ */
/*  page-products 页面专属样式                    */
/*  作用域 .page-products                        */
/*  移动端优先 + 桌面端增强                      */
/* ============================================ */

/* ---------- design tokens (作用域级) ---------- */
.page-products {
  --p-color-accent: #e85d3a;
  --p-color-primary: #1b3a5c;
  --p-color-success: #5bbd5e;
  --p-color-text: #2c2520;
  --p-color-text-secondary: #7a6e61;
  --p-color-bg: #f5f0e8;
  --p-color-light: #d4c9b0;
  --p-color-white: #ffffff;
  --p-font-mono: "SF Mono", "Fira Code", "Consolas", "Liberation Mono", monospace;
  --p-font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --p-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --p-spacing-lg: 1.5rem;
  --p-spacing-xl: 2rem;
  --p-spacing-2xl: 3rem;
  --p-border-radius: 0;             /* 锐利直角 */
  --p-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 主体间距 ---------- */
.page-products {
  padding: 1rem;
  background-color: var(--p-color-bg);
  color: var(--p-color-text);
  font-family: var(--p-font-body);
  line-height: 1.6;
}

.page-products > section {
  margin-bottom: var(--p-spacing-2xl);
}

.page-products__section-title {
  font-family: var(--p-font-heading);
  font-weight: 700;
  font-size: 1.5rem;          /* 24px */
  line-height: 1.2;
  margin: 0 0 var(--p-spacing-lg) 0;
  color: var(--p-color-primary);
  border-left: 4px solid var(--p-color-accent);
  padding-left: 0.75rem;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  font-size: 0.875rem;
  color: var(--p-color-text-secondary);
  margin-bottom: var(--p-spacing-lg);
}
.page-products .breadcrumb-item {
  color: inherit;
  text-decoration: none;
}
.page-products .breadcrumb-item[aria-current="page"] {
  color: var(--p-color-text);
  font-weight: 700;
}

/* ---------- 首屏海报 ---------- */
.page-products__hero {
  position: relative;
  margin-bottom: var(--p-spacing-2xl);
}
.page-products__hero-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.page-products__hero-title {
  font-family: var(--p-font-heading);
  font-weight: 700;
  font-size: 2rem;            /* 32px */
  line-height: 1.15;
  margin: 0 0 0.5rem;
  color: var(--p-color-primary);
}
.page-products__hero-subtitle {
  font-family: var(--p-font-heading);
  font-weight: 700;
  font-size: 1.25rem;         /* 20px */
  color: var(--p-color-accent);
  margin: 0 0 0.5rem;
}
.page-products__hero-desc {
  font-size: 1rem;
  color: var(--p-color-text-secondary);
  max-width: 480px;
  margin: 0 auto var(--p-spacing-lg);
}

/* CSS绘制的手机轮廓 */
.page-products__hero-phone .phone-frame {
  display: inline-block;
  width: 240px;
  height: 480px;
  border: 3px solid var(--p-color-primary);
  border-radius: 30px;
  background-color: var(--p-color-white);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.page-products__hero-phone .phone-screen {
  padding: 0.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.page-products__hero-phone .phone-status-bar {
  text-align: center;
  font-size: 0.75rem;
  color: var(--p-color-text-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--p-font-mono);
}
.page-products__hero-phone .phone-app-preview {
  flex: 1;
  border: 1px solid var(--p-color-light);
  border-radius: 8px;
  padding: 0.5rem;
  background-color: var(--p-color-bg);
}
.page-products__hero-phone .phone-app-header {
  display: block;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--p-color-primary);
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--p-color-light);
}
.page-products__hero-phone .phone-app-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products__hero-phone .phone-app-item {
  font-size: 0.75rem;
  line-height: 1.8;
  color: var(--p-color-text);
  border-bottom: 1px dashed rgba(44,37,32,0.08);
}
.page-products__hero-phone .phone-app-item .mono {
  color: var(--p-color-primary);
  font-weight: 700;
}
.page-products__hero-phone .phone-nav-bar {
  height: 4px;
  width: 60px;
  background: var(--p-color-primary);
  border-radius: 2px;
  margin: 0.5rem auto 0;
}
.page-products__hero-phone .phone-badge {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.625rem;
  color: var(--p-color-text-secondary);
  background: var(--p-color-bg);
  padding: 0 4px;
}

/* ---------- 功能卡片矩阵 (grid) ---------- */
.page-products__features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--p-spacing-lg);
}

/* 单个卡片 - 可翻转 */
.feature-card {
  position: relative;
  perspective: 800px;
  background: var(--p-color-white);
  border: 1px solid rgba(44,37,32,0.12);
  border-radius: var(--p-border-radius);
  padding: var(--p-spacing-lg);
  cursor: default;
  transition: box-shadow var(--p-transition);
  display: flex;
  flex-direction: column;
}
.feature-card:hover,
.feature-card:focus-within {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.feature-card__icon {
  margin-bottom: 0.5rem;
}
.feature-card__index {
  font-family: var(--p-font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--p-color-accent);
  line-height: 1;
}
.feature-card .card-title {
  font-family: var(--p-font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
  color: var(--p-color-primary);
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--p-color-text-secondary);
  margin: 0 0 0.75rem;
}
.feature-card .btn {
  font-family: var(--p-font-body);
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
}

/* card .page-products 双面翻转 */
.feature-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-card__back {
  display: none;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--p-color-light);
}
.feature-card[data-flip] .feature-card__front {
  display: none;
}
.feature-card[data-flip] .feature-card__back {
  display: block;
}
/* 渐进增强：无JS时默认显示正面，hover显示背面 */
@media (hover: hover) {
  .feature-card:hover .feature-card__front {
    display: none;
  }
  .feature-card:hover .feature-card__back {
    display: block;
  }
}

/* ---------- 图片画廊 ---------- */
.page-products__gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--p-spacing-lg);
}
.gallery-item {
  margin: 0;
  border: 1px solid rgba(44,37,32,0.1);
  border-radius: var(--p-border-radius);
  overflow: hidden;
  background: var(--p-color-white);
}
.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.gallery-item figcaption {
  font-size: 0.8125rem;
  color: var(--p-color-text-secondary);
  padding: 0.5rem 0.75rem;
  font-family: var(--p-font-mono);
}

/* ---------- 移动端兼容 ---------- */
.page-products__compat-body {
  display: flex;
  flex-direction: column;
  gap: var(--p-spacing-lg);
  background: var(--p-color-white);
  border: 1px solid rgba(44,37,32,0.1);
  padding: var(--p-spacing-lg);
}
.compat-visual {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.compat-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--p-color-accent);
  animation: compat-pulse 2s ease-in-out infinite;
}
.compat-dot:nth-child(2) {
  background: var(--p-color-primary);
  animation-delay: 0.3s;
}
.compat-dot:nth-child(3) {
  background: var(--p-color-success);
  animation-delay: 0.6s;
}
@keyframes compat-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}
.compat-label {
  width: 100%;
  text-align: center;
  font-family: var(--p-font-mono);
  font-size: 0.875rem;
  color: var(--p-color-primary);
  margin: 0;
}
.compat-desc p {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  color: var(--p-color-text);
}
.compat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.compat-list li {
  font-size: 0.875rem;
  color: var(--p-color-text-secondary);
  line-height: 2;
}
.compat-list .mono {
  color: var(--p-color-success);
  margin-right: 0.375rem;
}

/* ---------- 下载方式 ---------- */
.page-products__download-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--p-spacing-lg);
  background: var(--p-color-light);
  border: 1px solid rgba(44,37,32,0.12);
  padding: var(--p-spacing-xl);
  text-align: center;
}
.download-qrcode img {
  display: block;
  width: 160px;
  height: 160px;
  border: 2px solid var(--p-color-primary);
  border-radius: var(--p-border-radius);
  background: var(--p-color-white);
}
.download-label {
  font-family: var(--p-font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--p-color-primary);
  margin: 0 0 0.5rem;
}
.download-info p {
  margin: 0 0 0.5rem;
  font-size: 0.9375rem;
  color: var(--p-color-text);
}
.download-note {
  font-size: 0.8125rem;
  color: var(--p-color-text-secondary);
}
.download-info .btn {
  margin-top: var(--p-spacing-md);
}

/* ---------- 信任声明 ---------- */
.page-products__trust {
  margin-top: var(--p-spacing-xl);
  padding-top: var(--p-spacing-lg);
  border-top: 1px solid var(--p-color-light);
}
.trust-note {
  font-size: 0.8125rem;
  color: var(--p-color-text-secondary);
  text-align: center;
  margin: 0;
}

/* ---------- 响应式桌面端 (≥768px) ---------- */
@media (min-width: 768px) {
  .page-products {
    padding: 2rem 2rem 3rem;
    max-width: var(--max-width, 1200px);
    margin: 0 auto;
  }

  .page-products__hero-title {
    font-size: 2.5rem;            /* 40px */
  }

  .page-products__hero-body {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    gap: 2rem;
  }

  .page-products__hero-desc {
    margin: 0 0 var(--p-spacing-lg);
  }

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

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

  .page-products__compat-body {
    flex-direction: row;
    align-items: flex-start;
  }

  .compat-visual {
    flex: 0 0 200px;
  }

  .page-products__download-body {
    flex-direction: row;
    text-align: left;
    justify-content: center;
  }
}

/* ---------- 宽屏额外调整 (≥1024px) ---------- */
@media (min-width: 1024px) {
  .page-products__features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__hero-phone .phone-frame {
    width: 260px;
    height: 520px;
  }
}

/* ---------- 打印样式 ---------- */
@media print {
  .page-products {
    background: #fff;
    color: #000;
  }
  .feature-card__back {
    display: block !important;
  }
  .feature-card__front {
    display: none !important;
  }
  .scroll-top {
    display: none;
  }
}

.page-products {
  --p-spacing-md: 1rem;
}