.page-products {
  --pp-slate: #081527;
  --pp-slate-2: #0D1F38;
  --pp-slate-3: #143B66;
  --pp-line: rgba(255, 255, 255, 0.14);
  --pp-muted-text: #A5BCD2;
  --pp-soft-text: #E8F0F8;
  --pp-green: #C6FF00;
  --pp-orange: #FF6B35;
  --pp-green-deep: #6F9900;
}

/* ===== Hero 分屏 ===== */
.page-products .product-hero {
  position: relative;
  padding: 32px 0 56px;
  overflow: hidden;
  color: var(--pp-soft-text);
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(198, 255, 0, 0.09), transparent 60%),
    linear-gradient(145deg, #03101F 0%, var(--primary-bg) 60%, #0E2B4A 100%);
}
.page-products .product-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(198, 255, 0, 0.08) 0%, transparent 62%);
  pointer-events: none;
}
.page-products .product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 0.86rem;
  color: var(--pp-muted-text);
}
.page-products .product-breadcrumb a {
  color: var(--pp-muted-text);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}
.page-products .product-breadcrumb a:hover {
  color: var(--pp-green);
}
.page-products .product-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-products .hero-eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pp-green);
}
.page-products .hero-title {
  margin: 0 0 18px;
  font-family: var(--font-headline);
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.12;
  text-wrap: balance;
}
.page-products .hero-desc {
  max-width: 46ch;
  margin: 0 0 28px;
  color: var(--pp-muted-text);
  font-size: 1.02rem;
  line-height: 1.85;
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}
.page-products .hero-cta {
  padding: 12px 26px;
  border-radius: 10px;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  font-family: var(--font-headline);
  font-size: 0.92rem;
  box-shadow: 0 12px 28px rgba(198, 255, 0, 0.18);
}
.page-products .hero-btn-ghost {
  padding: 12px 24px;
  border-radius: 10px;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--pp-soft-text);
  background: transparent;
}
.page-products .hero-btn-ghost:hover {
  border-color: var(--pp-green);
  color: var(--pp-green);
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
}
.page-products .hero-stat {
  padding: 12px 16px;
  border: 1px solid var(--pp-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
}
.page-products .hero-stat dt {
  font-size: 0.78rem;
  color: var(--pp-muted-text);
}
.page-products .hero-stat dd {
  margin: 4px 0 0;
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--pp-green);
}

/* ===== 手机线框组件 ===== */
.page-products .phone-shell {
  position: relative;
  width: min(280px, 82vw);
  margin: 0 auto;
  padding: 10px;
  border-radius: 36px;
  background: linear-gradient(145deg, #1E3244, #081527);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.10), 0 24px 48px rgba(0, 0, 0, 0.32);
}
.page-products .phone-shell::before {
  content: "";
  display: block;
  height: 18px;
  margin-bottom: 8px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
}
.page-products .phone-screen {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #04101F;
}
.page-products .hero-phone-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 320 / 640;
  object-fit: cover;
}
.page-products .phone-float-tag {
  position: absolute;
  top: 24px;
  right: -10px;
  padding: 4px 10px;
  border-radius: 6px;
  transform: rotate(3deg);
  background: var(--pp-green);
  color: #0A1A2F;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}
.page-products .phone-caption {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--pp-muted-text);
}

/* ===== 核心功能 ===== */
.page-products .product-features {
  padding: 64px 0;
  background: var(--secondary-bg);
}
.page-products .features-head {
  display: grid;
  gap: 16px;
  margin-bottom: 36px;
}
.page-products .features-title {
  margin: 4px 0 0;
  font-family: var(--font-headline);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--text-primary);
}
.page-products .features-desc {
  max-width: 48ch;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.8;
}
.page-products .features-layout {
  display: grid;
  gap: 32px;
}
.page-products .feature-phone {
  order: -1;
}
.page-products .feature-selector {
  order: 2;
}
.page-products .feature-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .feature-list-btn {
  display: flex;
  width: 100%;
  flex-direction: column;
  align-items: flex-start;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 2px 10px rgba(10, 26, 47, 0.04);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}
.page-products .feature-list-btn:hover,
.page-products .feature-list-btn[data-filter-active="true"],
.page-products .feature-list-btn[aria-pressed="true"] {
  border-color: var(--accent-green);
  background: linear-gradient(135deg, #FFFFFF 0%, #F7FFD6 100%);
  box-shadow: 0 10px 24px rgba(10, 26, 47, 0.10);
  transform: translateX(4px);
}
.page-products .feature-list-name {
  font-family: var(--font-headline);
  font-size: 1.04rem;
  color: var(--text-primary);
}
.page-products .feature-list-desc {
  margin-top: 4px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.page-products .phone-shell-lg {
  width: min(300px, 88vw);
}
.page-products .phone-screen-demo {
  max-height: 560px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}
.page-products .phone-screen-demo::-webkit-scrollbar {
  width: 4px;
}
.page-products .phone-screen-demo::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
}
.page-products .phone-panel {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.page-products .phone-panel:last-child {
  border-bottom: 0;
}
.page-products .panel-label {
  padding: 12px 14px 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pp-green);
}
.page-products .phone-panel img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 280 / 560;
  object-fit: cover;
}
.page-products .feature-phone-caption {
  margin: 12px 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.page-products .stats-view {
  padding: 14px;
}
.page-products .stats-view-title {
  margin-bottom: 14px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #9FB6CC;
}
.page-products .stats-row {
  display: grid;
  grid-template-columns: 64px 1fr 56px;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.page-products .stats-row span {
  font-size: 0.76rem;
  color: #9FB6CC;
}
.page-products .stats-row i {
  position: relative;
  display: block;
  height: 6px;
  overflow: hidden;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}
.page-products .stats-row i b {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  border-radius: 4px;
  background: var(--pp-green);
}
.page-products .stats-row em {
  font-style: normal;
  font-size: 0.76rem;
  text-align: right;
  color: #D6E5F2;
}

/* ===== 版本特性 ===== */
.page-products .product-version {
  padding: 72px 0;
  color: var(--pp-soft-text);
  background:
    radial-gradient(1000px 420px at 90% -10%, rgba(198, 255, 0, 0.08), transparent 60%),
    var(--primary-bg);
}
.page-products .version-layout {
  display: grid;
  gap: 40px;
}
.page-products .version-visual {
  position: relative;
  text-align: center;
}
.page-products .version-badge {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 2;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--pp-green);
  color: #0A1A2F;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  box-shadow: 0 6px 18px rgba(198, 255, 0, 0.2);
}
.page-products .version-icon-img {
  width: min(200px, 70vw);
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 40px;
  border: 1px solid var(--pp-line);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.page-products .version-content {
  max-width: 680px;
}
.page-products .version-eyebrow {
  margin-bottom: 12px;
  color: var(--pp-green);
}
.page-products .version-title {
  margin: 0 0 18px;
  font-family: var(--font-headline);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
}
.page-products .version-desc {
  margin: 0 0 28px;
  color: var(--pp-muted-text);
  line-height: 1.85;
}
.page-products .version-list {
  display: grid;
  gap: 12px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}
.page-products .version-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--pp-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: #D8E6F2;
  font-size: 0.95rem;
  line-height: 1.7;
}
.page-products .version-list-tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--pp-green);
  color: #0A1A2F;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.page-products .version-more-btn {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--pp-soft-text);
  background: transparent;
}
.page-products .version-more-btn:hover {
  border-color: var(--pp-green);
  color: var(--pp-green);
}

/* ===== 支持平台与系统要求 ===== */
.page-products .product-system {
  padding: 72px 0;
  background: var(--secondary-bg);
}
.page-products .system-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 32px;
}
.page-products .system-head div {
  display: grid;
  gap: 4px;
}
.page-products .system-title,
.page-products .download-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  color: var(--text-primary);
}
.page-products .system-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.page-products .system-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-subtle);
}
.page-products .system-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: rgba(198, 255, 0, 0.24);
  color: #0A1A2F;
}
.page-products .system-card-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}
.page-products .system-card h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.page-products .system-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.page-products .system-note {
  margin: 20px 0 0;
  color: var(--text-secondary);
}
.page-products .system-note a,
.page-products .download-note a {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== 下载方式 ===== */
.page-products .product-download {
  padding: 72px 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.page-products .download-eyebrow {
  margin-bottom: 8px;
  color: var(--pp-green-deep);
}
.page-products .download-steps {
  display: grid;
  gap: 16px;
  margin: 28px 0 24px;
}
.page-products .download-step {
  position: relative;
  padding: 28px 24px 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}
.page-products .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 10px;
  background: var(--accent-green);
  color: #0A1A2F;
  font-family: var(--font-headline);
  font-size: 1.2rem;
  font-weight: 900;
}
.page-products .download-step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--text-primary);
}
.page-products .download-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.page-products .download-note {
  margin-top: 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 12px 12px 0;
  background: var(--secondary-bg);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== 帮助入口 ===== */
.page-products .product-help {
  padding: 40px 0 72px;
  background: var(--secondary-bg);
}
.page-products .product-help-grid {
  display: grid;
  gap: 16px;
}
.page-products .help-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-subtle);
}
.page-products .help-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: var(--text-primary);
}
.page-products .help-card p {
  margin: 0 0 18px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.page-products .help-btn {
  border-color: var(--border);
  color: var(--text-primary);
  background: transparent;
}
.page-products .help-btn:hover {
  border-color: var(--accent-green);
  color: #0A1A2F;
  background: linear-gradient(135deg, #FFFFFF 0%, #F7FFD6 100%);
}

@media (min-width: 768px) {
  .page-products .product-hero-grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-products .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .hero-stat {
    padding: 12px;
  }
  .page-products .hero-stat dd {
    font-size: 1.2rem;
  }
  .page-products .phone-shell {
    width: min(320px, 100%);
  }
  .page-products .features-head {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
  .page-products .features-layout {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }
  .page-products .feature-phone {
    order: 1;
  }
  .page-products .feature-selector {
    order: 2;
  }
  .page-products .version-layout {
    grid-template-columns: 4fr 8fr;
    align-items: center;
  }
  .page-products .system-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .download-steps {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .product-help-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .phone-screen-demo {
    max-height: 620px;
  }
}