.page-products {
  --local-card: #112A54;
  --local-card-soft: rgba(17,42,84,0.62);
  --local-accent-soft: rgba(255,107,26,0.15);
  --local-cyan-soft: rgba(0,229,255,0.12);
  --local-line: rgba(0,229,255,0.16);
}
.page-products .breadcrumb { padding-top: 1.5rem; font-family: var(--font-mono); font-size: 0.85rem; color: var(--c-text-subtle); }
.page-products .breadcrumb a { color: var(--c-text-subtle); text-decoration-color: var(--c-accent); text-underline-offset: 3px; }
.page-products .breadcrumb .sep { margin: 0 0.5rem; color: var(--c-text-subtle); }

.page-products .hero-app { position: relative; display: grid; gap: 2.5rem; align-items: center; padding: clamp(2rem, 6vw, 4rem) 0 1.5rem; }
.page-products .hero-lines { position: absolute; right: 0; top: 0; width: 60%; max-width: 420px; opacity: 0.55; pointer-events: none; z-index: 0; }
.page-products .hero-copy { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.page-products .hero-copy h1 { font-size: clamp(2.4rem, 7vw, 4.2rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0.2rem 0; max-width: 13em; color: var(--c-text); }
.page-products .hero-copy h1::after { content: ""; display: block; width: 8ch; height: 4px; margin-top: 1rem; border-radius: 999px; background: linear-gradient(90deg, var(--c-accent), var(--c-cyan)); }
.page-products .hero-lead { color: var(--c-text-subtle); font-size: 1.05rem; line-height: 1.7; max-width: 48ch; margin: 0; }
.page-products .hero-cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
.page-products .hero-mini-stats { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 0.75rem 0 0; }
.page-products .hero-mini-stats > div { display: flex; align-items: baseline; gap: 0.5rem; background: var(--local-card); border: 1px solid rgba(255,255,255,0.04); border-radius: var(--radius-pill); padding: 0.55rem 1rem; }
.page-products .hero-mini-stats dt { color: var(--c-text-subtle); font-size: 0.75rem; font-family: var(--font-mono); }
.page-products .hero-mini-stats dd { margin: 0; font-family: var(--font-mono); font-weight: 800; color: var(--c-text); font-size: 1rem; }
.page-products .hero-note { margin: 0.75rem 0 0; color: var(--c-text-subtle); font-size: 0.8rem; line-height: 1.6; max-width: 44ch; }

.page-products .phone-stage { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; justify-self: center; width: 100%; }
.page-products .phone-frame { position: relative; width: min(320px, 82vw); padding: 12px; border-radius: 42px; background: linear-gradient(160deg, var(--local-card) 0%, #0A1A3B 70%); border: 1px solid rgba(0,229,255,0.28); box-shadow: 0 40px 70px -24px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(255,255,255,0.04); }
.page-products .phone-notch { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 80px; height: 20px; background: #0A1A3B; border-radius: 999px; z-index: 4; }
.page-products .phone-screen { position: relative; overflow: hidden; border-radius: 32px; background: #081226; aspect-ratio: 300 / 600; animation: page-products-glow 3s ease-in-out infinite; }
.page-products .phone-screen-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.page-products .phone-mock-data { position: absolute; left: 10px; right: 10px; bottom: 12px; z-index: 2; border-radius: 18px; background: rgba(10,26,59,0.86); border: 1px solid rgba(0,229,255,0.22); padding: 10px 12px; backdrop-filter: blur(5px); }
.page-products .phone-live { display: flex; align-items: center; gap: 0.35rem; font-size: 0.7rem; font-family: var(--font-mono); color: var(--c-warn); margin-bottom: 0.4rem; }
.page-products .live-dot { width: 6px; height: 6px; background: var(--c-warn); border-radius: 50%; animation: page-products-live 1.6s ease-out infinite; }
.page-products .phone-score { display: flex; justify-content: center; gap: 1rem; font-family: var(--font-mono); font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; margin-bottom: 0.5rem; color: var(--c-text); }
.page-products .phone-stat-row { display: grid; grid-template-columns: 3.2em 1fr auto; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.page-products .phone-stat-label { font-size: 0.72rem; color: var(--c-text-subtle); font-family: var(--font-mono); }
.page-products .phone-stat-nums { font-family: var(--font-mono); font-size: 0.72rem; color: var(--c-text); }
.page-products .phone-bar { display: flex; height: 6px; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,0.08); }
.page-products .phone-bar span:first-child { background: var(--c-accent); }
.page-products .phone-bar span:last-child { background: var(--c-cyan); }
.page-products .phone-caption { font-size: 0.85rem; color: var(--c-text-subtle); font-family: var(--font-mono); text-align: center; }

.page-products .spy-wrap { display: flex; gap: 0.5rem; overflow-x: auto; padding: 1.5rem 0 0.5rem; margin-bottom: 1rem; scrollbar-width: none; }
.page-products .spy-wrap::-webkit-scrollbar { display: none; }
.page-products .spy-link { flex: 0 0 auto; font-size: 0.85rem; color: var(--c-text-subtle); background: rgba(17,42,84,0.6); border: 1px solid var(--local-line); padding: 0.55rem 1.1rem; border-radius: 999px; text-decoration: none; font-family: var(--font-mono); transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease); }
.page-products .spy-link:hover { border-color: var(--c-cyan); color: var(--c-text); }
.page-products .spy-link.is-active { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }

.page-products .why-app { padding-top: 2rem; }
.page-products .why-layout { display: grid; gap: 2rem; }
.page-products .why-head { display: flex; flex-direction: column; gap: 0.75rem; max-width: 30ch; }
.page-products .side-note { font-size: 0.88rem; color: var(--c-text-subtle); line-height: 1.7; max-width: 26ch; margin: 0; }
.page-products .why-block { display: grid; gap: 1rem; }
.page-products .why-item { display: flex; gap: 1.1rem; padding: 1.4rem 1.5rem; background: var(--local-card); border: 1px solid rgba(255,255,255,0.04); border-radius: var(--radius-lg); transition: border-color 0.2s var(--ease); }
.page-products .why-item:hover { border-color: rgba(0,229,255,0.2); }
.page-products .why-index { flex: 0 0 auto; width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; background: var(--local-accent-soft); color: var(--c-accent); font-family: var(--font-mono); font-weight: 800; font-size: 0.8rem; }
.page-products .why-item h3 { margin: 0 0 0.4rem; font-size: 1.15rem; color: var(--c-text); }
.page-products .why-item p { margin: 0; color: var(--c-text-subtle); line-height: 1.6; }

.page-products .feature-app { margin-top: 3rem; padding: 3rem 0 2.5rem; border-top: 1px solid var(--local-line); background: linear-gradient(180deg, rgba(17,42,84,0.55), rgba(10,26,59,0.2)); }
.page-products .feature-head { max-width: 56ch; margin-bottom: 2rem; }
.page-products .feature-head p { color: var(--c-text-subtle); line-height: 1.7; }
.page-products .feature-grid { display: grid; gap: 1rem; }
.page-products .feature-card { border: 1px solid var(--local-line); border-radius: var(--radius-lg); background: rgba(17,42,84,0.5); transition: border-color 0.2s var(--ease), background 0.2s var(--ease); }
.page-products .feature-card[open] { border-color: rgba(0,229,255,0.4); background: rgba(17,42,84,0.72); }
.page-products .feature-card summary { display: flex; align-items: center; gap: 1rem; padding: 1rem; list-style: none; cursor: pointer; border-radius: calc(var(--radius-lg) - 2px); }
.page-products .feature-card summary::-webkit-details-marker { display: none; }
.page-products .feature-card summary:hover { background: rgba(0,229,255,0.04); }
.page-products .feature-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--local-accent-soft); flex: 0 0 auto; }
.page-products .feature-icon svg { width: 32px; height: 32px; }
.page-products .feature-card img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius-md); flex: 0 0 auto; }
.page-products .feature-copy { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; min-width: 0; }
.page-products .feature-copy strong { color: var(--c-text); font-size: 1.05rem; line-height: 1.3; }
.page-products .feature-copy em { font-style: normal; color: var(--c-text-subtle); font-family: var(--font-mono); font-size: 0.75rem; }
.page-products .feature-hint { font-family: var(--font-mono); font-size: 0.72rem; color: var(--c-text-subtle); border: 1px solid var(--local-line); padding: 0.3rem 0.6rem; border-radius: 999px; white-space: nowrap; }
.page-products .feature-card .feature-hint::before { content: "展开"; }
.page-products .feature-card[open] .feature-hint { border-color: rgba(0,229,255,0.4); color: var(--c-cyan); }
.page-products .feature-card[open] .feature-hint::before { content: "收起"; }
.page-products .feature-card p { margin: 0; padding: 0 1.25rem 1.25rem; color: var(--c-text-subtle); line-height: 1.7; }
.page-products .feature-card[open] p { animation: page-products-fade 0.25s var(--ease) both; }
.page-products .feature-extra { margin-top: 1.5rem; }
.page-products .feature-extra .note-callout p { margin: 0; color: var(--c-text-subtle); line-height: 1.7; }

.page-products .download-app { padding-top: 2.5rem; }
.page-products .download-shell { display: grid; gap: 2rem; align-items: center; }
.page-products .download-copy { display: flex; flex-direction: column; gap: 0.85rem; max-width: 44ch; }
.page-products .download-copy .section-title { margin-bottom: 0.25rem; }
.page-products .download-copy p { margin: 0; color: var(--c-text-subtle); line-height: 1.7; }
.page-products .download-copy a { color: var(--c-text); text-decoration-color: var(--c-accent); text-underline-offset: 3px; }
.page-products .platform-badges { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 0.25rem 0 0.5rem; }
.page-products .platform-badge { display: inline-flex; align-items: center; gap: 0.4rem; background: var(--local-accent-soft); border: 1px solid rgba(255,107,26,0.3); color: var(--c-accent); border-radius: 999px; padding: 0.55rem 1.1rem; font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; }
.page-products .qr-box { justify-self: center; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.page-products .qr-frame { position: relative; width: 200px; height: 200px; border-radius: 28px; background: var(--local-card); border: 1px solid var(--local-line); padding: 12px; display: block; }
.page-products .qr-frame img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 16px; }
.page-products .qr-frame::after { content: ""; position: absolute; left: 6px; top: 6px; width: 18px; height: 18px; border-left: 3px solid var(--c-cyan); border-top: 3px solid var(--c-cyan); border-radius: 8px 0 0 0; pointer-events: none; }
.page-products .qr-caption { margin: 0; font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-text-subtle); }

.page-products .version-app { padding-top: 3rem; }
.page-products .version-head { max-width: 56ch; margin-bottom: 2rem; }
.page-products .version-head p { color: var(--c-text-subtle); line-height: 1.65; }
.page-products .version-body { display: grid; gap: 2rem; align-items: start; }
.page-products .version-timeline { display: grid; gap: 0.25rem; padding-left: 0.5rem; }
.page-products .version-item { position: relative; padding: 0 0 1.75rem 1.5rem; border-left: 1px solid var(--local-line); }
.page-products .version-item:last-child { border-left-color: transparent; padding-bottom: 0; }
.page-products .version-item::before { content: ""; position: absolute; left: -5px; top: 5px; width: 9px; height: 9px; border-radius: 50%; background: var(--c-cyan); box-shadow: 0 0 0 3px var(--local-cyan-soft); }
.page-products .version-item--current::before { background: var(--c-accent); box-shadow: 0 0 0 4px var(--local-accent-soft); }
.page-products .version-badge { display: inline-block; background: var(--local-accent-soft); color: var(--c-accent); border-radius: 999px; padding: 0.3rem 0.85rem; font-family: var(--font-mono); font-size: 0.85rem; font-weight: 800; margin-bottom: 0.5rem; }
.page-products .version-item--current .version-badge { background: var(--c-accent); color: #fff; }
.page-products .version-item h3 { margin: 0 0 0.4rem; font-size: 1.1rem; color: var(--c-text); }
.page-products .version-item p { margin: 0; color: var(--c-text-subtle); font-size: 0.92rem; line-height: 1.6; }
.page-products .version-figure { margin: 0; }
.page-products .version-figure img { max-width: 100%; height: auto; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--local-line); }
.page-products .version-figure figcaption { margin-top: 0.75rem; color: var(--c-text-subtle); font-size: 0.85rem; line-height: 1.6; }
.page-products .version-cta { margin-top: 2rem; padding: 1.25rem 1.5rem; background: var(--local-accent-soft); border: 1px solid rgba(255,107,26,0.22); border-radius: var(--radius-lg); display: grid; gap: 0.5rem; }
.page-products .version-cta p { margin: 0; color: var(--c-text); line-height: 1.7; }
.page-products .version-cta a { color: inherit; text-decoration-color: var(--c-accent); text-underline-offset: 3px; }

@keyframes page-products-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
@keyframes page-products-live {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,46,99,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(255,46,99,0); }
}
@keyframes page-products-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,229,255,0); }
  50% { box-shadow: 0 0 24px 2px rgba(0,229,255,0.12); }
}

@media (min-width: 900px) {
  .page-products .hero-app { grid-template-columns: 1.1fr 0.9fr; gap: 4rem; padding-top: clamp(3rem, 7vw, 5rem); }
  .page-products .hero-lines { width: 46%; opacity: 0.7; }
  .page-products .phone-stage { justify-self: end; }
  .page-products .why-layout { grid-template-columns: 1fr 2fr; gap: 3rem; }
  .page-products .why-block { gap: 1.25rem; }
  .page-products .side-note { writing-mode: vertical-rl; margin-top: 0.5rem; align-self: flex-start; }
  .page-products .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .page-products .download-shell { grid-template-columns: 1fr auto; gap: 4rem; }
  .page-products .version-body { grid-template-columns: 1fr 0.85fr; gap: 3rem; }
  .page-products .version-cta { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .phone-screen,
  .page-products .live-dot,
  .page-products .feature-card[open] p { animation: none; }
}