/* ===== 页面专属：.page-products ===== */
.page-products {
  --products-font-headings: Impact, 'Arial Black', sans-serif;
  --products-font-body: Georgia, 'Times New Roman', serif;
  --products-hero-min-h: min(92vh, 720px);
  --products-card-rotate: 15deg;
  --products-phone-w: 280px;
  --products-phone-h: 560px;
  --products-transition: 0.45s cubic-bezier(0.23, 1, 0.32, 1);
  --products-shadow-card: 0 6px 28px rgba(0, 0, 0, 0.10);
  --products-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.18);
  color: var(--text-dark);
  font-family: var(--font-body);
}

/* 容器与间距 */
.page-products .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}
.page-products .section-padding {
  padding: 64px 0;
}
.page-products .section-header {
  margin-bottom: 40px;
}
.page-products .section-title {
  font-family: var(--font-headings);
  font-size: 2.2rem;
  color: var(--primary);
  position: relative;
  padding-left: 18px;
  margin: 0 0 8px 0;
  letter-spacing: 0.02em;
}
.page-products .section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.12em;
  bottom: 0.12em;
  width: 5px;
  background: var(--accent);
  border-radius: 3px;
}
.page-products .section-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text-medium);
  margin: 0;
  line-height: 1.6;
}

/* ---- 面包屑 ---- */
.page-products .breadcrumb {
  padding: 14px 20px;
  max-width: var(--container-max);
  margin: 0 auto;
  font-size: 0.9rem;
  color: var(--text-medium);
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}
.page-products .breadcrumb-item {
  display: inline;
}
.page-products .breadcrumb-link {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
.page-products .breadcrumb-link:hover,
.page-products .breadcrumb-link:focus-visible {
  color: var(--accent);
  text-decoration: underline;
}
.page-products .breadcrumb-sep {
  margin: 0 8px;
  color: var(--border);
}
.page-products .breadcrumb-item.current {
  color: var(--text-dark);
  font-weight: 600;
}

/* ---- 首屏 Hero ---- */
.page-products .products-hero {
  position: relative;
  min-height: var(--products-hero-min-h);
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: var(--primary-dark);
}
.page-products .hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.22;
}
.page-products .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 30%, transparent 90%);
  z-index: 1;
}
.page-products .hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  width: 100%;
  padding: 60px 20px 48px;
}
.page-products .hero-text {
  flex: 1 1 auto;
  max-width: 520px;
  text-align: center;
}
.page-products .hero-label-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}
.page-products .hero-title {
  font-family: var(--font-headings);
  font-size: 2.8rem;
  color: var(--text-on-primary);
  margin: 0;
  line-height: 1.1;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  letter-spacing: 0.03em;
}
.page-products .hero-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--accent);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.15em;
  opacity: 0.9;
  transform: rotate(180deg);
  white-space: nowrap;
  border-left: 2px solid var(--accent);
  padding-left: 6px;
  margin-left: 2px;
}
.page-products .hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin: 12px 0 28px;
  line-height: 1.6;
}
.page-products .hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}
.page-products .hero-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-headings);
  font-size: 1.0rem;
  text-decoration: none;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .hero-btn:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}
.page-products .hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.page-products .btn-accent.hero-btn {
  background: var(--accent);
  color: var(--text-on-primary);
}
.page-products .btn-accent.hero-btn:hover {
  background: #e55a2b;
}
.page-products .btn-primary.hero-btn {
  background: var(--primary-light);
  color: var(--text-on-primary);
}
.page-products .btn-primary.hero-btn:hover {
  background: var(--primary);
}
.page-products .btn-icon {
  font-size: 1.4rem;
  line-height: 1;
}
.page-products .btn-text {
  font-family: var(--font-body);
  font-weight: 600;
}
.page-products .btn-pulse {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  animation: products-pulse 2.4s ease-in-out infinite;
}
@keyframes products-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255,107,53,0.5); }
  70% { box-shadow: 0 0 0 16px rgba(255,107,53,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,107,53,0); }
}
.page-products .btn-primary .btn-pulse {
  animation-name: products-pulse-green;
}
@keyframes products-pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(26,107,77,0.5); }
  70% { box-shadow: 0 0 0 16px rgba(26,107,77,0); }
  100% { box-shadow: 0 0 0 0 rgba(26,107,77,0); }
}
.page-products .hero-qr {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  margin-top: 8px;
}
.page-products .qr-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 4px;
  background: #fff;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.page-products .qr-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-body);
}

/* ---- 手机模型 ---- */
.page-products .hero-phone {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-products .phone-mockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.page-products .phone-frame {
  width: var(--products-phone-w);
  height: var(--products-phone-h);
  background: #111;
  border-radius: 36px;
  padding: 10px;
  position: relative;
  box-shadow:
    0 8px 40px rgba(0,0,0,0.5),
    inset 0 0 0 2px #333;
  overflow: hidden;
}
.page-products .phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 18px;
  background: #111;
  border-radius: 0 0 14px 14px;
  z-index: 3;
}
.page-products .phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  scroll-snap-type: x mandatory;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background: #1a1a1a;
}
.page-products .phone-screen::-webkit-scrollbar {
  display: none;
}
.page-products .screen-shot {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  scroll-snap-align: start;
  display: block;
}
.page-products .phone-home {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: #333;
  border-radius: 2px;
  z-index: 3;
}
.page-products .phone-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.page-products .phone-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transition: background var(--transition);
}
.page-products .phone-dots .dot.active {
  background: var(--accent);
}

/* ---- 特色卡片 ---- */
.page-products .features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-products .feature-card {
  perspective: 1200px;
  height: 320px;
}
.page-products .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform var(--products-transition);
  transform-style: preserve-3d;
  border-radius: 12px;
  box-shadow: var(--products-shadow-card);
}
.page-products .feature-card:hover .card-inner,
.page-products .feature-card:focus-within .card-inner {
  transform: rotateY(180deg);
}
.page-products .card-front,
.page-products .card-back {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  text-align: center;
  background: var(--bg-white);
  border: 1px solid var(--border);
}
.page-products .card-front {
  z-index: 2;
}
.page-products .card-back {
  transform: rotateY(180deg);
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary-dark);
}
.page-products .card-icon {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--bg-light);
  padding: 8px;
}
.page-products .card-title {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  margin: 0 0 6px;
  color: var(--primary);
}
.page-products .card-brief {
  font-size: 0.95rem;
  color: var(--text-medium);
  margin: 0;
  line-height: 1.5;
}
.page-products .card-back-title {
  font-family: var(--font-headings);
  font-size: 1.3rem;
  margin: 0 0 14px;
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 6px;
}
.page-products .card-features {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  width: 100%;
  max-width: 220px;
}
.page-products .card-features li {
  position: relative;
  padding: 4px 0 4px 18px;
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.92);
}
.page-products .card-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
}

/* ---- 下载渠道 ---- */
.page-products .products-channels {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.page-products .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 24px;
}
.page-products .channel-card {
  background: var(--bg-white);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--products-shadow-card);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--products-shadow-hover);
}
.page-products .channel-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 2rem;
  color: var(--text-on-primary);
}
.page-products .android-channel .channel-icon-wrap {
  background: var(--accent);
}
.page-products .channel-icon {
  line-height: 1;
}
.page-products .channel-name {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  margin: 0 0 8px;
  color: var(--primary);
}
.page-products .channel-desc {
  font-size: 0.95rem;
  color: var(--text-medium);
  line-height: 1.6;
  margin: 0 0 20px;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}
.page-products .channel-btn {
  display: inline-block;
  padding: 12px 32px;
  font-family: var(--font-headings);
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .channel-btn:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}
.page-products .channel-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.page-products .channels-note {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  font-size: 0.88rem;
  color: var(--text-medium);
  background: var(--bg-white);
  padding: 16px 20px;
  border-radius: 8px;
  border: 1px dashed var(--border);
  margin-top: 8px;
}
.page-products .note-icon {
  font-size: 1.2rem;
  color: var(--accent);
}

/* ---- 苹果适配说明 ---- */
.page-products .products-ios-fix {
  background: var(--bg-white);
}
.page-products .fix-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.page-products .fix-content {
  flex: 1 1 auto;
}
.page-products .fix-intro {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-medium);
  margin: 0 0 20px;
}
.page-products .fix-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.page-products .fix-list li {
  position: relative;
  padding: 8px 0 8px 28px;
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
}
.page-products .fix-list li:last-child {
  border-bottom: none;
}
.page-products .fix-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}
.page-products .fix-btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-headings);
  font-size: 1.05rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .fix-btn:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}
.page-products .fix-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.page-products .fix-visual {
  flex: 0 0 auto;
  max-width: 100%;
}
.page-products .fix-img {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--products-shadow-card);
  display: block;
}

/* ---- 版本更新 ---- */
.page-products .products-updates {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
}
.page-products .updates-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-products .update-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-white);
  padding: 18px 20px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-light);
  transition: border-color var(--transition), background var(--transition);
}
.page-products .update-item:hover {
  border-left-color: var(--accent);
  background: #fafafa;
}
.page-products .update-marker {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 0 3px rgba(255,107,53,0.2);
}
.page-products .update-body {
  flex: 1;
}
.page-products .update-label {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: 0.75rem;
  color: var(--text-on-primary);
  background: var(--accent);
  padding: 2px 10px;
  border-radius: 10px;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.page-products .update-desc {
  font-size: 0.96rem;
  color: var(--text-dark);
  line-height: 1.5;
  margin: 4px 0 0;
}

/* ---- 问题反馈高亮 ---- */
.page-products .products-feedback {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.page-products .feedback-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}
.page-products .feedback-content {
  flex: 1 1 auto;
  text-align: center;
  max-width: 600px;
}
.page-products .feedback-title {
  font-family: var(--font-headings);
  font-size: 2.0rem;
  color: var(--text-on-primary);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.page-products .feedback-desc {
  font-size: 1.0rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.7;
  margin: 0 0 28px;
}
.page-products .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.page-products .feedback-btn,
.page-products .feedback-contact {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-headings);
  font-size: 1.05rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .feedback-btn {
  background: var(--accent);
  color: var(--text-on-primary);
}
.page-products .feedback-btn:hover {
  background: #e55a2b;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.4);
}
.page-products .feedback-contact {
  background: transparent;
  color: var(--text-on-primary);
  border: 2px solid rgba(255,255,255,0.5);
}
.page-products .feedback-contact:hover {
  border-color: var(--text-on-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.page-products .feedback-btn:focus-visible,
.page-products .feedback-contact:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
}
.page-products .feedback-graphic {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.15;
}
.page-products .feedback-icon {
  font-size: 6rem;
  color: var(--text-on-primary);
  line-height: 1;
  transform: rotate(-8deg);
}

/* ---- 桌面端媒体查询 ---- */
@media (min-width: 768px) {
  .page-products .section-padding {
    padding: 80px 0;
  }
  .page-products .section-title {
    font-size: 2.6rem;
  }
  .page-products .section-desc {
    font-size: 1.1rem;
  }

  /* 首屏分屏 */
  .page-products .hero-inner {
    flex-direction: row;
    justify-content: space-between;
    padding: 48px 40px;
    gap: 40px;
  }
  .page-products .hero-text {
    text-align: left;
    max-width: 480px;
  }
  .page-products .hero-title {
    font-size: 3.6rem;
  }
  .page-products .hero-subtitle {
    font-size: 1.15rem;
    margin: 16px 0 32px;
  }
  .page-products .hero-buttons {
    justify-content: flex-start;
  }
  .page-products .hero-qr {
    justify-content: flex-start;
  }
  .page-products .qr-img {
    width: 96px;
    height: 96px;
  }
  .page-products .phone-frame {
    width: 300px;
    height: 600px;
    border-radius: 40px;
    padding: 12px;
  }
  .page-products .phone-notch {
    width: 100px;
    height: 20px;
    top: 14px;
  }
  .page-products .phone-screen {
    border-radius: 30px;
  }
  .page-products .phone-home {
    bottom: 14px;
    width: 130px;
  }

  /* 特色卡片网格 */
  .page-products .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  .page-products .feature-card {
    height: 340px;
  }

  /* 下载渠道并排 */
  .page-products .channels-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  /* 苹果适配说明并排 */
  .page-products .fix-layout {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }
  .page-products .fix-content {
    max-width: 55%;
  }

  /* 反馈区域图文并排 */
  .page-products .feedback-inner {
    flex-direction: row;
    text-align: left;
    gap: 48px;
  }
  .page-products .feedback-content {
    text-align: left;
    max-width: 540px;
  }
  .page-products .feedback-actions {
    justify-content: flex-start;
  }
  .page-products .feedback-icon {
    font-size: 8rem;
  }
  .page-products .feedback-graphic {
    opacity: 0.20;
  }
}

@media (min-width: 1024px) {
  .page-products .hero-title {
    font-size: 4.2rem;
  }
  .page-products .phone-frame {
    width: 320px;
    height: 640px;
  }
  .page-products .feature-card {
    height: 360px;
  }
  .page-products .section-padding {
    padding: 96px 0;
  }
}

/* ---- 辅助类覆盖 ---- */
.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.page-products .text-center {
  text-align: center;
}
.page-products .mb-16 { margin-bottom: 16px; }
.page-products .mb-24 { margin-bottom: 24px; }
.page-products .mb-32 { margin-bottom: 32px; }
.page-products .mt-16 { margin-top: 16px; }
.page-products .mt-24 { margin-top: 24px; }
.page-products .mt-32 { margin-top: 32px; }