:root{color-scheme:light;--bg: #eef7f6;--bg-accent: #f6fbfa;--text: #101114;--muted: #5b5f66;--primary: #20c9c7;--primary-dark: #159ea3;--secondary: #1d5a6e;--card: #ffffff;--stroke: rgba(16, 17, 20, .12);--shadow: 0 20px 60px rgba(20, 22, 31, .12);--radius-lg: 28px;--radius-md: 18px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Space Grotesk,Noto Sans SC,sans-serif;background:radial-gradient(circle at top left,rgba(242,111,61,.14),transparent 45%),radial-gradient(circle at 80% 20%,rgba(32,77,98,.18),transparent 50%),var(--bg);color:var(--text)}button{font-family:inherit;border:none;cursor:pointer}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:28px 8vw 0;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:center;background:#fff;box-shadow:0 10px 24px #204d623d}.brand-name{font-weight:700;font-size:24px}.brand-tag{color:var(--muted);font-size:13px}.nav{display:flex;gap:16px;background:var(--bg-accent);padding:6px;border-radius:999px;border:1px solid var(--stroke)}.nav-link{padding:8px 16px;border-radius:999px;background:transparent;color:var(--muted);font-size:14px}.nav-link.active{background:#fff;color:var(--text);box-shadow:0 8px 20px #12131a1f}.cta{padding:10px 18px;border-radius:999px;background:var(--secondary);color:#fff;font-weight:600}.top-actions{display:flex;align-items:center;gap:12px}.lang-switch{display:flex;align-items:center;gap:6px;padding:4px;border-radius:999px;border:1px solid var(--stroke);background:#ffffffb3}.lang-btn{padding:6px 12px;border-radius:999px;background:transparent;color:var(--muted);font-size:13px;font-weight:600}.lang-btn.active{background:#fff;color:var(--text);box-shadow:0 6px 16px #12131a1f}main{flex:1;padding:40px 8vw 80px}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:40px;align-items:center;margin-bottom:64px}.hero-chip{display:inline-block;padding:8px 16px;border-radius:999px;background:#f26f3d26;color:var(--primary-dark);font-weight:600;font-size:13px;margin-bottom:20px;letter-spacing:.3px}.hero-content h1{font-size:clamp(32px,4vw,52px);line-height:1.1;margin-bottom:16px}.hero-desc{color:var(--muted);line-height:1.7;margin-bottom:30px;max-width:520px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}.primary{background:var(--primary);color:#fff;padding:12px 20px;border-radius:12px;font-weight:600;box-shadow:0 12px 24px #f26f3d40;transition:transform .2s ease,box-shadow .2s ease}.primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px #f26f3d52}.ghost{background:transparent;border:1px solid var(--stroke);color:var(--text);padding:12px 20px;border-radius:12px;font-weight:600}.hero-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:18px}.hero-metrics strong{display:block;font-size:20px}.hero-metrics span{color:var(--muted);font-size:13px}.hero-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;border:1px solid rgba(16,17,20,.08);position:relative;overflow:hidden}.card-header{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin-bottom:20px}.dot{width:10px;height:10px;border-radius:50%;background:#37c981;box-shadow:0 0 0 6px #37c98133}.card-body h3{font-size:18px;margin-bottom:16px}.speech{background:#f6f2ee;border-radius:16px;padding:16px;position:relative;color:var(--muted);line-height:1.6}.pulse{position:absolute;right:18px;bottom:18px;width:14px;height:14px;border-radius:50%;background:var(--primary);animation:pulse 1.8s infinite}@keyframes pulse{0%{transform:scale(.8);opacity:.6}70%{transform:scale(1.4);opacity:0}to{opacity:0}}.card-footer{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}.card-footer span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.section-title{margin-bottom:28px}.section-title h2{font-size:28px;margin-bottom:8px}.section-title p{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:40px}.feature-card{background:var(--card);border-radius:var(--radius-md);padding:20px;border:1px solid var(--stroke);box-shadow:0 10px 30px #181c2414}.feature-card h3{margin-bottom:10px;font-size:18px}.feature-card p{color:var(--muted);line-height:1.6}.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;align-items:start}.scenario-list{margin-top:18px;display:grid;gap:14px}.scenario{display:grid;grid-template-columns:80px 1fr;gap:12px;padding:14px;border-radius:14px;background:#204d621a}.scenario span{font-size:12px;font-weight:700;color:var(--secondary)}.scenario p{color:var(--muted);font-size:14px}.panel{background:var(--secondary);color:#fff;padding:22px;border-radius:var(--radius-md);box-shadow:var(--shadow)}.panel h4{margin-bottom:16px;font-size:18px}.panel ul{list-style:none;display:grid;gap:12px}.panel li{display:grid;gap:6px}.panel li span{opacity:.8;font-size:13px}.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-bottom:36px}.download-card{background:var(--card);border:1px solid var(--stroke);border-radius:var(--radius-md);padding:22px;display:grid;gap:16px;box-shadow:0 12px 30px #14161f14}.version{font-weight:600}.note{color:var(--muted);font-size:14px}.cta-panel{background:linear-gradient(135deg,#ffebdf,#fff6f0);border-radius:var(--radius-md);padding:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid rgba(242,111,61,.2)}.footer{padding:30px 8vw 40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;border-top:1px solid var(--stroke);background:#fff}.footer p{color:var(--muted);margin-top:6px}.footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}.footer-contact{display:grid;gap:6px;color:var(--muted);font-size:14px}@media (max-width: 960px){.topbar{flex-direction:column;align-items:flex-start}.nav{width:100%;justify-content:space-between}.cta{align-self:stretch}.top-actions{width:100%;justify-content:space-between}}@media (max-width: 600px){.hero-actions{flex-direction:column}.card-footer{grid-template-columns:1fr}.cta-panel{flex-direction:column;align-items:flex-start}}