.product-detail-app{min-height:100vh;display:flex;flex-direction:column}.navbar{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid rgba(60,60,67,.12)}.navbar-inner{max-width:960px;margin:0 auto;padding:0 24px;height:56px;justify-content:space-between}.nav-back,.navbar-inner{display:flex;align-items:center}.nav-back{gap:6px;color:var(--accent);font-size:15px;font-weight:500}.nav-back:hover{opacity:.7}.back-icon{font-size:18px}.nav-center{font-size:14px;color:var(--text-tertiary);font-weight:500;letter-spacing:.05em}.nav-slug{font-family:SF Mono,Menlo,monospace;font-size:13px;font-weight:600;color:var(--accent);padding:4px 12px;background:color-mix(in srgb,var(--accent) 10%,transparent);border-radius:100px;letter-spacing:.08em;text-transform:lowercase}.nav-main{color:var(--text-secondary);font-size:14px;font-weight:500}.nav-main:hover{color:var(--accent);opacity:1}.hero{position:relative;padding:60px 24px 48px;text-align:center;overflow:hidden}.hero-content{position:relative;z-index:1;max-width:680px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--accent);border-radius:100px;font-size:13px;font-weight:500;margin-bottom:28px}.hero-icon{width:80px;height:80px;border-radius:24px;justify-content:center;margin:0 auto 24px;font-size:40px}.hero-icon,.hero-title{display:flex;align-items:center}.hero-title{margin-bottom:16px;flex-direction:column;gap:8px}.hero-title-cn{font-size:44px;font-weight:700;letter-spacing:-.02em;line-height:1.1}.hero-title-en{font-size:18px;color:var(--text-tertiary);font-weight:500;letter-spacing:.02em}.hero-tagline{font-size:20px;font-weight:600;color:var(--accent);margin-bottom:8px}.hero-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.6;margin-bottom:20px}.hero-download-count{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--bg-card);border:.5px solid rgba(60,60,67,.12);border-radius:100px;margin-bottom:24px;box-shadow:0 1px 4px rgba(0,0,0,.04);animation:fadeInUp .4s ease both}.download-count-icon{width:16px;height:16px;color:var(--accent)}.download-count-value{font-size:18px;font-weight:700;color:var(--accent);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.download-count-label{font-size:13px;color:var(--text-tertiary);font-weight:500}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.btn,.hero-actions{align-items:center;justify-content:center}.btn{display:inline-flex;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:600;transition:all .2s ease;text-decoration:none;border:none;cursor:pointer}.btn-primary{background:var(--accent);color:white}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 30%,transparent)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:.5px solid rgba(60,60,67,.12)}.btn-secondary:hover{background:var(--bg-page);opacity:1}.btn-large{padding:16px 32px;font-size:16px}.btn-icon{width:18px;height:18px}.hero-glow{position:absolute;top:-150px;left:50%;transform:translateX(-50%);width:500px;height:400px;background:radial-gradient(ellipse,color-mix(in srgb,var(--accent) 15%,transparent) 0,transparent 70%);pointer-events:none}.stats-section{max-width:960px;margin:0 auto;padding:0 24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:16px;gap:16px;background:var(--bg-card);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-card)}.stat-card{text-align:center;display:flex;flex-direction:column;gap:4px}.stat-value{font-size:32px;font-weight:700;letter-spacing:-.02em}.stat-label{font-size:14px;font-weight:600;color:var(--text-primary)}.stat-desc{font-size:12px;color:var(--text-tertiary)}.section-header{text-align:center;margin-bottom:32px}.section-title{font-size:28px;font-weight:700;margin-bottom:8px}.section-desc{font-size:16px;color:var(--text-tertiary)}.features-section{max-width:960px;margin:0 auto;padding:64px 24px}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:20px;gap:20px}.feature-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.feature-icon{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}.feature-title{font-size:18px;font-weight:600;margin-bottom:8px}.feature-desc{font-size:14px;color:var(--text-secondary);line-height:1.6}.tech-section{max-width:960px;margin:0 auto;padding:0 24px 64px;text-align:center}.tech-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.tech-tag{padding:8px 20px;background:var(--bg-card);border:.5px solid rgba(60,60,67,.12);border-radius:100px;font-size:14px;font-weight:500;color:var(--text-secondary);box-shadow:0 1px 2px rgba(0,0,0,.02)}.cta-section{max-width:960px;margin:0 auto;padding:0 24px 64px}.cta-card{background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 5%,white),white);border:.5px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:var(--radius-xl);padding:48px 32px;text-align:center;box-shadow:var(--shadow-card)}.cta-title{font-size:28px;font-weight:700;margin-bottom:12px}.cta-desc{font-size:16px;color:var(--text-secondary);margin-bottom:28px}.cta-note{margin-top:16px;font-size:13px;color:var(--text-tertiary)}.footer{background:var(--bg-card);border-top:.5px solid rgba(60,60,67,.12);padding:32px 24px}.footer-inner{max-width:960px;margin:0 auto;text-align:center}.footer-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.footer-link{color:var(--accent);font-size:14px}.footer-copyright,.footer-sep{color:var(--text-tertiary)}.footer-copyright{font-size:12px;line-height:1.6}@media (max-width:768px){.hero{padding:40px 20px 32px}.hero-title-cn{font-size:32px}.hero-title-en{font-size:15px}.hero-tagline{font-size:17px}.hero-subtitle{font-size:15px}.features-section{padding:48px 20px}.section-title{font-size:24px}.stats-grid{grid-template-columns:repeat(2,1fr);padding:24px}.cta-card{padding:32px 24px}.cta-title{font-size:22px}.hero-actions{flex-direction:column;gap:12px}.btn{width:100%}}