/* ========================================
   page-products – APP下载页 专属样式
   作用域限定 .page-products
   移动端优先 + 桌面增强
   ======================================== */

/* --- 作用域根变量（仅在当前页面生效） --- */
.page-products {
  --mockup-max-w: 280px;
  --mockup-rotate: -3deg;
  --deco-line-color: rgba(57, 255, 20, 0.08);
  --card-gap: 1.25rem;
  --hero-min-h: 90vh;
}

/* --- 首屏 Hero --- */
.page-products .hero-download {
  position: relative;
  min-height: var(--hero-min-h);
  background: var(--grad-hero);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 5rem 1rem 3rem;
  overflow: hidden;
}

.page-products .hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--deco-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--deco-line-color) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
  pointer-events: none;
}

.page-products .hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 100%;
}

.page-products .hero-left,
.page-products .hero-right {
  width: 100%;
  max-width: 420px;
}

.page-products .hero-overline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--c-accent-green);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-products .hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(2rem, 8vw, 3.6rem);
  line-height: 1.05;
  color: var(--c-text-primary);
  margin-bottom: 1.5rem;
}

.page-products .hero-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.page-products .hero-features-right {
  margin-top: 1.5rem;
}

.page-products .hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--c-text-primary);
  letter-spacing: 0.01em;
}

.page-products .hero-feature-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent-orange);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
}

.page-products .hero-feature-item:nth-child(2) .hero-feature-dot {
  background: var(--c-accent-green);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.4);
}

.page-products .hero-feature-item:nth-child(3) .hero-feature-dot {
  background: var(--c-accent-orange);
  box-shadow: 0 0 12px rgba(255, 107, 53, 0.5);
}

.page-products .hero-feature-item:nth-child(4) .hero-feature-dot {
  background: var(--c-accent-green);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.4);
}

/* --- 手机模型 --- */
.page-products .hero-center {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-products .hero-mockup-wrap {
  position: relative;
  max-width: var(--mockup-max-w);
  transform: rotate(var(--mockup-rotate));
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.page-products .hero-mockup-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(57, 255, 20, 0.15);
  object-fit: cover;
  aspect-ratio: 600 / 1100;
}

.page-products .hero-mockup-glow {
  position: absolute;
  inset: -12px;
  border-radius: calc(var(--radius-lg) + 12px);
  background: linear-gradient(135deg, rgba(57,255,20,0.08), rgba(255,107,53,0.08));
  filter: blur(16px);
  z-index: -1;
  opacity: 0.7;
}

/* --- 首屏下载按钮区 --- */
.page-products .hero-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
  width: 100%;
}

.page-products .hero-dl-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.15rem;
  padding: 0.9rem 2.8rem;
  border-radius: var(--radius-md);
  background: var(--grad-orange);
  color: var(--c-text-primary);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: filter var(--transition), transform var(--transition);
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.3);
}

.page-products .hero-dl-btn:hover,
.page-products .hero-dl-btn:focus-visible {
  filter: brightness(1.18);
  transform: translateY(-2px);
}

.page-products .hero-qr {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-products .hero-qr-img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.12);
}

.page-products .hero-qr-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-secondary);
  letter-spacing: 0.05em;
}

/* --- 版本特性区 --- */
.page-products .version-features {
  padding: 4rem 1rem 3rem;
  background: var(--c-surface-dark);
}

.page-products .section-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  color: var(--c-text-primary);
  margin: 0.5rem 0 0.6rem;
}

.page-products .section-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--c-text-secondary);
  max-width: 640px;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.page-products .features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
  margin-bottom: 2.5rem;
}

.page-products .feature-card {
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(57, 255, 20, 0.08);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.page-products .feature-card:hover {
  border-color: rgba(57, 255, 20, 0.3);
  transform: translateY(-3px);
}

.page-products .feature-card-icon {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.page-products .feature-card-icon svg {
  filter: drop-shadow(0 0 8px rgba(57, 255, 20, 0.15));
}

.page-products .feature-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--c-text-primary);
  margin-bottom: 0.5rem;
}

.page-products .feature-card-desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--c-text-secondary);
  line-height: 1.5;
}

.page-products .features-visual-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.page-products .features-visual-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 800 / 400;
}

/* --- 使用场景区 --- */
.page-products .usage-scenarios {
  padding: 4rem 0 3rem;
  background: var(--c-primary-dark);
}

.page-products .scenarios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--card-gap);
  margin: 2rem auto 2.5rem;
}

.page-products .scenario-card-wrap {
  display: flex;
}

.page-products .scenario-card {
  flex: 1;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 107, 53, 0.1);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.page-products .scenario-card:hover {
  border-color: rgba(255, 107, 53, 0.35);
  transform: translateY(-3px);
}

.page-products .scenario-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.page-products .scenario-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-accent-green);
  line-height: 1;
  opacity: 0.7;
}

.page-products .scenario-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--c-text-primary);
  margin: 0;
}

.page-products .scenario-desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--c-text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.page-products .scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products .scenario-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(57, 255, 20, 0.08);
  color: var(--c-accent-green);
  border: 1px solid rgba(57, 255, 20, 0.12);
  letter-spacing: 0.03em;
}

.page-products .scenario-visual-wrap {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-top: 0.5rem;
}

.page-products .scenario-visual-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  object-fit: cover;
  aspect-ratio: 1200 / 600;
}

/* --- 下载方式区 --- */
.page-products .download-area {
  padding: 4rem 1rem;
  text-align: center;
  background: var(--c-surface-dark);
}

.page-products .download-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  margin: 2rem 0 1.5rem;
}

.page-products .download-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-style: italic;
  font-size: 1.05rem;
  padding: 0.85rem 2.4rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: filter var(--transition), transform var(--transition);
  min-width: 200px;
  text-align: center;
}

.page-products .download-btn.btn-primary {
  background: var(--grad-orange);
  color: var(--c-text-primary);
  border: none;
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.25);
}

.page-products .download-btn.btn-primary:hover,
.page-products .download-btn.btn-primary:focus-visible {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.page-products .download-btn.btn-outline {
  background: transparent;
  color: var(--c-accent-green);
  border: 2px solid var(--c-accent-green);
}

.page-products .download-btn.btn-outline:hover,
.page-products .download-btn.btn-outline:focus-visible {
  background: rgba(57, 255, 20, 0.06);
  transform: translateY(-2px);
}

.page-products .download-note {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  max-width: 520px;
  margin: 1rem auto 2rem;
  line-height: 1.6;
}

.page-products .download-qr-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.page-products .download-qr-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 0 30px rgba(57, 255, 20, 0.1);
}

.page-products .download-qr-hint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-text-secondary);
  letter-spacing: 0.08em;
}

/* --- 仪表盘装饰 --- */
.page-products .dashboard-deco {
  width: 100%;
  overflow: hidden;
  background: var(--c-primary-dark);
  line-height: 0;
}

.page-products .dashboard-deco-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 1920 / 400;
  opacity: 0.7;
}

/* --- 页面上下文导航 --- */
.page-products .page-context-nav {
  padding: 1.5rem 1rem 3rem;
  background: var(--c-primary-dark);
}

.page-products .page-context-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  text-align: center;
}

.page-products .page-context-text a {
  color: var(--c-accent-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.page-products .page-context-text a:hover {
  color: var(--c-accent-green);
}

/* --- 768px+ 平板与桌面增强 --- */
@media (min-width: 768px) {
  .page-products {
    --mockup-max-w: 320px;
  }

  .page-products .hero-download {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
  }

  .page-products .hero-inner {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
  }

  .page-products .hero-left {
    flex: 1 1 300px;
    text-align: right;
  }

  .page-products .hero-right {
    flex: 1 1 220px;
    text-align: left;
  }

  .page-products .hero-center {
    flex: 0 0 auto;
  }

  .page-products .hero-features-right {
    margin-top: 3.5rem;
  }

  .page-products .hero-feature-item {
    justify-content: flex-start;
    font-size: 1.05rem;
  }

  .page-products .hero-left .hero-feature-item {
    justify-content: flex-end;
  }

  .page-products .hero-actions {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
    margin-top: 2.5rem;
  }

  .page-products .hero-dl-btn {
    font-size: 1.25rem;
    padding: 1rem 3.2rem;
  }

  .page-products .hero-qr-img {
    width: 72px;
    height: 72px;
  }

  /* 版本特性网格 */
  .page-products .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .version-features {
    padding: 5rem 2rem 4rem;
  }

  /* 使用场景网格 */
  .page-products .scenarios-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .usage-scenarios {
    padding: 5rem 0 4rem;
  }

  .page-products .download-actions {
    flex-direction: row;
    gap: 1.5rem;
  }

  .page-products .download-area {
    padding: 5rem 2rem;
  }

  .page-products .download-qr-img {
    width: 140px;
    height: 140px;
  }

  .page-products .page-context-nav {
    padding: 2rem 2rem 4rem;
  }
}

/* --- 1024px+ 桌面进一步优化 --- */
@media (min-width: 1024px) {
  .page-products {
    --mockup-max-w: 360px;
    --mockup-rotate: -4deg;
  }

  .page-products .hero-inner {
    gap: 3rem;
  }

  .page-products .hero-left {
    flex: 1 1 360px;
  }

  .page-products .hero-right {
    flex: 1 1 280px;
  }

  .page-products .hero-title {
    font-size: clamp(3rem, 5vw, 4.2rem);
  }

  .page-products .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .scenarios-grid {
    gap: 1.8rem;
  }

  .page-products .feature-card {
    padding: 2rem 1.5rem;
  }

  .page-products .scenario-card {
    padding: 2rem 1.8rem;
  }
}