:root{
  --bg-start:#6C5CE7; /* 紫 */
  --bg-end:#00C0FF;   /* 蓝 */
  --text:#0f172a;
  --muted:#475569;
  --white:#fff;
  --brand:#6C5CE7;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans",sans-serif;color:var(--text);background:#f8fafc}

.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(170%) blur(10px);border-bottom:1px solid rgba(0,0,0,.06);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#111;text-decoration:none;font-weight:600}
.brand .logo{height:28px}
.nav{display:flex;gap:20px}
.nav a{color:#111;text-decoration:none;font-weight:500}
.burger{display:none;font-size:22px;background:none;border:0;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(120deg,var(--bg-start),var(--bg-end));color:var(--white);padding:64px 0}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:24px}
.hero-text h1{margin:0 0 12px;font-size:44px;line-height:1.15}
.hero-text .tag{margin:0 0 18px;color:#e6ecff}
.badges{display:flex;gap:22px;margin:0 0 18px;padding:0;list-style:none}
.badges li{display:flex;flex-direction:column;align-items:flex-start}
.badge-num{font-size:28px;font-weight:700}
.badge-text{opacity:.9}
.cta{display:flex;gap:14px;margin-top:8px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:600}
.btn.primary{background:#111;color:#fff}
.btn.ghost{background:transparent;border:2px solid #fff;color:#fff}
.hero-illus img{width:100%;height:auto;display:block;filter:drop-shadow(0 18px 40px rgba(0,0,0,.25))}

/* Features */
.features{padding:56px 0;background:#fff}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:22px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.06)}
.card h3{margin:0 0 8px}
.card p{margin:0;color:var(--muted)}

/* More sections */
.more{padding:48px 0}
.more h2{margin:0 0 8px}
.more p{margin:0;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid #e5e7eb;background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;color:#334155}
.footer-inner .links{display:flex;gap:16px}
.footer-inner a{color:#334155;text-decoration:none}

/* Responsive */
@media (max-width: 960px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-text h1{font-size:36px}
}
@media (max-width: 720px){
  .nav{display:none}
  .burger{display:block}
  .grid-3{grid-template-columns:1fr}
}