:root{--bg:#061224;--bg2:#0b234d;--panel:rgba(59,130,246,.10);--line:rgba(147,197,253,.16);--muted:rgba(219,234,254,.7);--blue:#3b82f6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#fff;background:radial-gradient(circle at top,rgba(59,130,246,.18),transparent 28%),linear-gradient(180deg,var(--bg),#0a1f44 55%,var(--bg2));min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin:auto}.header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:rgba(10,27,61,.85);backdrop-filter:blur(14px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}.brand{display:flex;align-items:center;gap:12px;min-width:180px}.brand-logo{width:40px;height:40px;border-radius:12px;padding:4px;border:1px solid var(--line);background:rgba(96,165,250,.1);object-fit:contain}.brand-fallback{display:grid;place-items:center;font-weight:800;font-size:17px}.brand-title{font-size:18px;font-weight:750}.brand-sub{font-size:12px;color:rgba(219,234,254,.6);margin-top:2px}.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}.nav a{padding:10px 13px;border-radius:14px;font-size:14px;color:rgba(219,234,254,.78);transition:.2s;white-space:nowrap}.nav a:hover{background:rgba(96,165,250,.12);color:#fff}.hero{text-align:center;padding:86px 0 56px}.hero h1{margin:0;font-size:clamp(38px,7vw,68px);line-height:1.05;font-weight:800;letter-spacing:-.02em}.hero p{width:min(680px,100%);margin:22px auto 0;font-size:18px;line-height:1.8;color:var(--muted)}.services{padding-bottom:72px}.services-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.card{border:1px solid var(--line);background:var(--panel);border-radius:28px;padding:32px 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button{flex:1;padding:12px;border:0;border-radius:12px;cursor:pointer;font-weight:650}.btn-light{background:#e2e8f0;color:#0f172a}.btn-blue{background:#3b82f6;color:#fff}.loading,.error-state{text-align:center;padding:120px 20px;color:var(--muted)}@media(max-width:900px){.services-grid{grid-template-columns:1fr}.header-inner{align-items:flex-start}.nav{display:none}.card p{min-height:auto}}@media(max-width:560px){.hero{padding-top:64px}.float-chat{right:16px;bottom:16px;width:56px;height:56px}.modal{padding:24px 18px}.qr-wrap{width:190px;height:190px}}