:root{--bg:#07111e;--panel:#0e2133;--panel2:#132b40;--text:#f4f8fb;--muted:#aab9c7;--cyan:#22d3ee;--blue:#38a8ff;--line:#1b5470;--gold:#ffd43b;--max:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% -10%,#123f5e 0,transparent 38%),var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:5;background:rgba(5,15,26,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(34,211,238,.25)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{font-weight:800;color:white;font-size:19px;letter-spacing:.03em}.nav-links{display:flex;gap:20px;flex-wrap:wrap}.nav-links a{color:#d9e8f2}.hero{padding:78px 0 52px}.eyebrow{color:var(--cyan);font-weight:700;letter-spacing:.18em}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.12;margin:12px 0 18px}.hero p{max-width:760px;color:#c3d2dd;font-size:18px}.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.chip{border:1px solid var(--line);background:rgba(13,41,61,.8);padding:7px 13px;border-radius:999px;color:#d9edf7}.section{padding:38px 0}.section h2{font-size:clamp(26px,4vw,38px);margin:0 0 20px}.section-intro{color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.legal-card{display:block;background:linear-gradient(145deg,rgba(19,43,64,.96),rgba(10,29,45,.96));border:1px solid rgba(34,211,238,.28);border-radius:22px;padding:24px;color:inherit;box-shadow:0 16px 38px rgba(0,0,0,.2)}.card:hover{text-decoration:none;border-color:var(--cyan);transform:translateY(-2px)}.card h3{margin:8px 0;font-size:24px}.card p,.legal-card p,.legal-card li{color:#b9c7d2}.icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#092f47;color:var(--cyan);font-size:24px}.cta{display:inline-block;margin-top:12px;font-weight:700}.notice{border-left:4px solid var(--gold);background:#2c2a1b;padding:16px 18px;border-radius:10px;color:#efeac7}.legal-card{max-width:900px;margin:0 auto}.legal-card h1{line-height:1.2}.legal-card h2{font-size:22px;margin-top:32px}.price-table{width:100%;border-collapse:collapse;margin:16px 0}.price-table th,.price-table td{border-bottom:1px solid #25475e;padding:13px;text-align:left}.footer{border-top:1px solid #1d3b50;margin-top:46px;padding:30px 0 42px;color:#93a7b6}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.back{display:inline-block;margin-bottom:18px}.app-hero{padding:50px 0 26px}.app-hero h1{font-size:clamp(34px,5vw,52px);margin:8px 0}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:0;list-style:none}.feature-list li{background:var(--panel);border:1px solid #1b4a64;border-radius:14px;padding:16px}.contact{background:#092236;border-radius:18px;padding:22px}.small{font-size:14px;color:#8ea2b2}@media(max-width:760px){.nav{align-items:flex-start;padding:14px 0}.nav-links{justify-content:flex-end;gap:12px}.hero{padding-top:50px}.grid,.feature-list{grid-template-columns:1fr}.card{padding:20px}.price-table{font-size:14px}.nav-links a:nth-child(1){display:none}}