:root{
  --bg:#f7f9fc;--card:#fff;--text:#142033;--muted:#68758a;--line:#e7ebf2;
  --primary:#2563eb;--primary2:#7c3aed;--green:#10b981;--shadow:0 18px 55px rgba(30,55,90,.10);
  --radius:20px;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{text-decoration:none;color:inherit}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.90);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,235,242,.8)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px}.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;display:grid;place-items:center;box-shadow:0 8px 22px rgba(37,99,235,.24)}nav{display:flex;gap:28px;color:#526075;font-size:14px}nav a:hover{color:var(--primary)}.nav-cta{padding:10px 17px;border-radius:12px;background:#111827;color:#fff;font-weight:700;font-size:14px}
.hero{padding:92px 0 70px;background:radial-gradient(circle at 80% 15%,rgba(124,58,237,.12),transparent 32%),radial-gradient(circle at 15% 5%,rgba(37,99,235,.13),transparent 28%),linear-gradient(#fff,#f7f9fc)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #dce5f7;background:#fff;border-radius:999px;color:#315bb5;font-size:13px;font-weight:700}.dot{width:7px;height:7px;background:#10b981;border-radius:50%}
h1{font-size:clamp(38px,5vw,66px);line-height:1.1;letter-spacing:-2.5px;margin:20px 0}.gradient{background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:18px;color:var(--muted);max-width:690px}.actions{display:flex;gap:12px;margin:30px 0;flex-wrap:wrap}.btn{padding:14px 22px;border-radius:13px;font-weight:800;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 12px 30px rgba(37,99,235,.23)}.btn-light{background:#fff}.trust{display:flex;gap:24px;flex-wrap:wrap;color:#6c788b;font-size:13px}.trust b{color:#1f2b3d}
.ai-card{background:#fff;border:1px solid #e6eaf1;border-radius:26px;box-shadow:var(--shadow);overflow:hidden}.ai-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}.ai-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#111827,#374151);color:#fff;display:grid;place-items:center;font-weight:900}.status{margin-left:auto;font-size:12px;color:#059669}.chat{padding:22px}.bubble{padding:14px 16px;border-radius:16px;margin:10px 0;font-size:14px}.q{background:#f0f4fa;margin-left:34px}.a{background:#f5f3ff;border:1px solid #e9e2ff}.mention{padding:12px;margin-top:14px;border-left:3px solid #7c3aed;background:#faf9ff;border-radius:8px;font-size:13px}.mini{display:flex;gap:8px;margin-top:15px;flex-wrap:wrap}.pill{font-size:11px;padding:5px 9px;background:#eef2ff;color:#4f46e5;border-radius:999px}
.section{padding:88px 0}.section.alt{background:#fff}.eyebrow{font-size:13px;color:#2563eb;font-weight:900;letter-spacing:1px;text-transform:uppercase}.section h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:10px 0 14px;letter-spacing:-1.3px}.section-intro{max-width:720px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.25s;box-shadow:0 8px 25px rgba(30,55,90,.035)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.icon{width:46px;height:46px;border-radius:14px;background:#eff4ff;color:#2563eb;display:grid;place-items:center;font-weight:900;margin-bottom:17px}.card h3{margin:0 0 8px;font-size:19px}.card p{margin:0;color:var(--muted);font-size:14px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}.step{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px}.num{font-size:12px;color:#2563eb;font-weight:900}.step h3{margin:7px 0;font-size:17px}.step p{margin:0;color:var(--muted);font-size:13px}
.feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.checklist{display:grid;gap:12px;margin-top:25px}.check{display:flex;gap:11px;align-items:flex-start}.check i{font-style:normal;width:22px;height:22px;border-radius:50%;background:#dcfce7;color:#059669;display:grid;place-items:center;font-size:12px;margin-top:3px}.check span{font-size:14px;color:#4e5b70}
.dashboard{border:1px solid var(--line);border-radius:24px;background:#fff;padding:20px;box-shadow:var(--shadow)}.dash-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.dash-title{font-weight:800}.score{font-size:36px;font-weight:900;color:#2563eb}.bar{height:10px;background:#edf0f5;border-radius:999px;overflow:hidden;margin:14px 0}.bar span{display:block;height:100%;width:82%;background:linear-gradient(90deg,#2563eb,#7c3aed);border-radius:inherit}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{padding:15px;background:#f8fafc;border-radius:14px}.metric b{display:block;font-size:21px}.metric small{color:#7a8698}
.faq{max-width:850px;margin-top:34px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;margin:10px 0}.faq-q{font-weight:800;margin:0 0 12px 0}.faq-p{color:var(--muted);font-size:14px;margin:0}
.cta{padding:65px 0}.cta-box{background:linear-gradient(120deg,#111827,#263452);border-radius:28px;padding:48px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta-box p{color:#c8d1df;margin:7px 0 0}.cta-box .btn{background:#fff;color:#111827;border-color:#fff}
footer{padding:38px 0 100px;background:#101827;color:#aeb9ca}.foot{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}.foot strong{color:#fff}.foot small{display:block;margin-top:8px}.mobile-bar{display:none}
@media(max-width:900px){nav{display:none}.hero-grid,.feature{grid-template-columns:1fr}.hero{padding-top:60px}.cards{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}.cta-box{display:block}.cta-box .btn{margin-top:20px}}
@media(max-width:600px){.wrap{width:min(var(--max),calc(100% - 24px))}.nav{height:62px}.hero{padding:52px 0 45px}h1{letter-spacing:-1.7px}.lead{font-size:16px}.cards,.process,.metrics{grid-template-columns:1fr}.section{padding:65px 0}.card{padding:22px}.cta-box{padding:30px 24px}.mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:10px 12px;gap:10px;box-shadow:0 -8px 25px rgba(20,32,51,.08)}.mobile-bar a{flex:1;text-align:center;padding:10px;border-radius:10px;font-weight:800;font-size:13px}.mobile-bar .primary{background:#2563eb;color:#fff}}