:root{--bg: #0a0a0f;--bg-elev: #12121a;--border: rgba(255, 255, 255, .09);--text: #f2f2f5;--text-dim: #a3a3b0;--accent: #e8321e;--accent-soft: rgba(232, 50, 30, .16);--radius: 16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.nav{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#0a0a0fb8;border-bottom:1px solid var(--border)}.nav-inner{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}.nav-logo{width:28px;height:28px}.nav-links{display:flex;gap:28px;font-size:14px;color:var(--text-dim)}.nav-links a:hover{color:var(--text)}.hero{position:relative;text-align:center;padding:120px 24px 100px;overflow:hidden}.hero-glow{position:absolute;top:-180px;left:50%;transform:translate(-50%);width:720px;height:720px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft) 0%,transparent 65%);pointer-events:none}.hero-logo{width:84px;height:84px;position:relative}.hero-kicker{margin:18px 0 8px;font-size:14px;letter-spacing:.3em;color:var(--accent);text-transform:uppercase}.hero-title{margin:0;font-size:clamp(38px,7vw,72px);line-height:1.15;font-weight:800;letter-spacing:.02em}.hero-title-sub{font-size:.55em;font-weight:600;color:var(--text-dim)}.hero-tagline{margin:22px 0 0;font-size:clamp(18px,3vw,26px);font-weight:600;background:linear-gradient(90deg,#ff6a4d,#ffb199);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-desc{max-width:640px;margin:20px auto 0;color:var(--text-dim);font-size:16px}.hero-badges{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.badge{padding:8px 16px;border:1px solid var(--border);border-radius:999px;background:var(--bg-elev);font-size:14px;color:var(--text-dim)}.hero-actions{margin-top:38px;display:flex;gap:14px;justify-content:center}.btn{padding:12px 28px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid var(--border);transition:transform .15s ease,background .15s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-ghost{background:transparent;color:var(--text)}.section{max-width:1120px;margin:0 auto;padding:90px 24px}.section-kicker{margin:0 0 10px;font-size:13px;letter-spacing:.3em;color:var(--accent);text-transform:uppercase}.section-title{margin:0;font-size:clamp(28px,4.5vw,44px);font-weight:800;display:flex;align-items:center;gap:14px}.section-lead{max-width:720px;margin:18px 0 40px;color:var(--text-dim);font-size:16px}.card-grid{display:grid;gap:18px}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:border-color .15s ease,transform .15s ease}.card:hover{border-color:#e8321e73;transform:translateY(-3px)}.card h3{margin:0 0 10px;font-size:17px}.card p{margin:0;font-size:14px;color:var(--text-dim)}.feature-icon{font-size:26px;margin-bottom:12px}.info-table-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--bg-elev)}.info-table{width:100%;border-collapse:collapse;font-size:15px}.info-table th,.info-table td{text-align:left;padding:16px 24px;border-bottom:1px solid var(--border)}.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}.info-table th{width:180px;color:var(--text-dim);font-weight:500;white-space:nowrap}.info-table td{font-weight:600}.product-logo{width:52px;height:52px}.contact-card{display:block}.contact-card p{font-weight:600;color:var(--text)}.footer{border-top:1px solid var(--border);padding:48px 24px 40px;background:var(--bg-elev)}.footer-inner{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center}.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700}.footer-logo{width:26px;height:26px}.footer-meta,.footer-legal{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;font-size:13px;color:var(--text-dim)}@media (max-width: 960px){.card-grid-4,.card-grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.nav-links{display:none}.card-grid-4,.card-grid-3{grid-template-columns:1fr}.hero{padding:80px 20px 70px}.section{padding:60px 20px}.info-table th,.info-table td{display:block;width:100%;padding:10px 20px}.info-table th{padding-bottom:0;border-bottom:none}}