:root{--ink: #0b1220;--slate: #1e293b;--muted: #64748b;--line: #e6eaf2;--bg: #ffffff;--bg-soft: #f5f7fc;--brand: #2563eb;--brand-600: #1d4ed8;--brand-700: #1e40af;--accent: #06b6d4;--accent-2: #7c3aed;--ok: #16a34a;--grad-brand: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);--grad-hero: radial-gradient(1200px 600px at 70% -10%, rgba(37,99,235,.16), transparent), radial-gradient(900px 500px at 10% 0%, rgba(6,182,212,.12), transparent);--radius: 18px;--radius-sm: 12px;--shadow-sm: 0 1px 2px rgba(11,18,32,.06);--shadow-md: 0 12px 32px rgba(11,18,32,.1);--shadow-lg: 0 24px 60px rgba(11,18,32,.14);--maxw: 1160px;--fs-h1: clamp(2.1rem, 4.6vw, 3.6rem);--fs-h2: clamp(1.6rem, 3vw, 2.3rem);--fs-h3: clamp(1.2rem, 2.2vw, 1.55rem);--fs-lead: clamp(1.05rem, 1.6vw, 1.28rem);--header-h: 72px}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--brand);text-decoration:none;transition:color .15s ease}a:hover{color:var(--brand-600)}img{max-width:100%;display:block}h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}p{margin:0 0 1em}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}.section{padding:84px 0}.section--soft{background:var(--bg-soft)}.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}.h2{font-size:var(--fs-h2);font-weight:800}.lead{font-size:var(--fs-lead);color:var(--muted);max-width:680px}.muted{color:var(--muted)}.site-header{position:sticky;top:0;z-index:50;height:var(--header-h);display:flex;align-items:center;background:#ffffffd1;backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.15rem;color:var(--ink)}.brand .mark{width:34px;height:34px;border-radius:10px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:1rem;font-weight:900;box-shadow:var(--shadow-sm)}.nav{display:flex;align-items:center;gap:28px}.nav a{color:var(--slate);font-weight:600;font-size:.96rem}.nav a:hover,.nav a[aria-current=page]{color:var(--brand)}.nav-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:.98rem;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;white-space:nowrap}.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px #2563eb47}.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}.btn--onlight{background:#fff;color:var(--brand)}.btn--onlight:hover{color:var(--brand-600)}.hero{padding:96px 0 72px;background:var(--grad-hero)}.hero--compact{padding:64px 0 40px}.hero h1{font-size:var(--fs-h1);font-weight:900;max-width:16ch}.hero .lead{margin:18px 0 30px}.hero .actions{display:flex;gap:14px;flex-wrap:wrap}.hero-stats{display:flex;gap:40px;flex-wrap:wrap;margin-top:40px}.hero-stats b{display:block;font-size:1.7rem;font-weight:900;color:var(--ink)}.hero-stats span{color:var(--muted);font-size:.9rem}.grid{display:grid;gap:22px}.grid--3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid--2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}.card--hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d7def0}a.card{display:block;color:inherit;text-decoration:none}.card .ico{width:46px;height:46px;border-radius:13px;background:#2563eb1a;color:var(--brand);display:grid;place-items:center;font-size:1.35rem;margin-bottom:16px}.card h3{font-size:1.15rem;margin:0 0 8px}.card p{color:var(--muted);font-size:.96rem;margin:0}.product-card{display:flex;flex-direction:column;gap:14px}.product-card .thumb{height:168px;border-radius:var(--radius-sm);background:var(--grad-brand);position:relative;overflow:hidden}.product-card .thumb--alt{background:linear-gradient(135deg,#7c3aed,#06b6d4)}.product-card .thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.product-card .tag{position:absolute;top:12px;left:12px;background:#ffffffe6;color:var(--ink);font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:999px}.product-card h3{margin:0;font-size:1.25rem}.link-arrow{font-weight:700}.link-arrow:after{content:" →";transition:margin .15s ease}.link-arrow:hover:after{margin-left:4px}.feature-row{display:flex;gap:14px;align-items:flex-start}.feature-row .dot{flex:none;width:26px;height:26px;border-radius:8px;background:#06b6d424;color:var(--accent);display:grid;place-items:center;font-weight:800}.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;background:#fff;margin-bottom:12px}.faq summary{font-weight:700;cursor:pointer;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"+";color:var(--brand);font-weight:800;margin-right:10px}.faq details[open] summary:before{content:"–"}.faq p{margin:12px 0 0;color:var(--muted)}.cta-banner{background:linear-gradient(135deg,#14264f,#2563eb 60%,#06b6d4);color:#fff;border-radius:24px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}.cta-banner h3{font-size:var(--fs-h2);margin:0 0 8px}.cta-banner p{margin:0;opacity:.92;max-width:46ch}.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px}.info-list{list-style:none;padding:0;margin:0}.info-list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}.info-list b{color:var(--ink)}form.contact .field{margin-bottom:16px}form.contact label{display:block;font-weight:600;margin-bottom:6px;font-size:.92rem}form.contact input,form.contact textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}form.contact input:focus,form.contact textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #2563eb24}.site-footer{background:#0a0f1c;color:#aeb7c8;padding:56px 0 32px;font-size:.92rem}.site-footer a{color:#dbe1ee}.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.foot-brand{color:#fff;font-weight:800;font-size:1.15rem;margin-bottom:12px}.foot-col h4{color:#fff;font-size:.95rem;margin:0 0 12px}.foot-col a{display:block;padding:5px 0;color:#aeb7c8}.foot-col a:hover{color:#fff}.foot-legal{margin-top:34px;padding-top:22px;border-top:1px solid #1c2436;line-height:2}.foot-legal a{text-decoration:none}.prose{max-width:760px}.prose h2{margin-top:1.6em}.prose img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain;border-radius:var(--radius-sm);margin:1.2em 0 0}.prose p:has(>em:only-child){font-size:.875rem;color:var(--muted);margin:.5em 0 1.6em}@media(max-width:860px){.nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 22px 18px;transform:translateY(-140%);transition:transform .2s ease}.nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}.nav .btn{margin-top:10px}.site-header.open .nav{transform:translateY(0)}.nav-toggle{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}.contact-grid,.foot-grid{grid-template-columns:1fr}.section{padding:60px 0}.cta-banner{padding:34px}}