:root{
  --bg: #f6faf7; --bg2:#ffffff; --card:#ffffff; --card2:#f1f7f3; --stroke:rgba(0,0,0,.08);
  --txt:#0f2a1e; --mut:#4f6b5f; --mut2:#6f8b7f; --acc:#1ea672; --acc2:#38c487; --warn:#f5b841;
  --shadow:0 20px 60px rgba(8,25,18,.10); --radius:18px; --radius2:24px; --max:1120px;
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--txt);background:
radial-gradient(900px 400px at 10% -10%, rgba(30,166,114,.12), transparent 60%),
radial-gradient(700px 350px at 90% -10%, rgba(56,196,135,.12), transparent 60%),
linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);}
a{color:inherit;text-decoration:none}
code{padding:.15rem .35rem;border-radius:8px;background:#edf6f0;border:1px solid rgba(15,42,30,.06)}
.wrap{max-width:var(--max);margin:0 auto;padding:28px 18px 64px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:10;padding:12px 0;backdrop-filter:blur(10px)}
.topbar::before{content:"";position:absolute;left:-9999px;right:-9999px;top:0;bottom:0;background:linear-gradient(180deg, rgba(246,250,247,.92), rgba(246,250,247,.72));border-bottom:1px solid rgba(15,42,30,.06);z-index:-1}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.nav{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.nav a{font-size:14px;color:var(--mut);padding:8px 10px;border-radius:12px}
.nav a:hover{color:var(--txt);background:rgba(30,166,114,.08)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border-radius:14px;border:1px solid var(--stroke);background:rgba(255,255,255,.82);color:var(--txt);font-weight:700;transition:transform .12s ease,background .12s ease,border-color .12s ease,box-shadow .12s ease;cursor:pointer;user-select:none;white-space:nowrap}
.btn:hover{transform:translateY(-1px);background:#fff;border-color:rgba(30,166,114,.18);box-shadow:0 10px 24px rgba(15,42,30,.08)}
.btn.primary{border:none;background:linear-gradient(135deg, #1ea672, #38c487);box-shadow:0 14px 40px rgba(30,166,114,.25);color:white}
.btn.primary:hover{transform:translateY(-1px) scale(1.01)} .btn.ghost{background:transparent}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(30,166,114,.14);background:rgba(30,166,114,.05);color:var(--mut);font-size:13px}
.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:center;margin-top:22px}
h1{font-size:48px;line-height:1.04;margin:14px 0 10px;letter-spacing:-.6px}
.sub{color:var(--mut);font-size:18px;line-height:1.55;max-width:58ch;margin:0}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.note{margin-top:10px;color:var(--mut2);font-size:13px}
.heroCard{border-radius:var(--radius2);border:1px solid rgba(15,42,30,.08);background:radial-gradient(420px 180px at 18% 0%, rgba(30,166,114,.12), rgba(30,166,114,0) 60%),linear-gradient(180deg, rgba(255,255,255,.96), rgba(241,247,243,.92));box-shadow:var(--shadow);overflow:hidden}
.heroCardTop{padding:14px 14px 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tag{font-size:12px;color:var(--mut);border:1px solid rgba(15,42,30,.08);background:rgba(255,255,255,.65);padding:6px 10px;border-radius:999px}
.heroCardBody{padding:14px}
.mock{border:1px dashed rgba(15,42,30,.10);border-radius:16px;background:rgba(255,255,255,.70);padding:12px;height:260px;display:flex;flex-direction:column;gap:10px}
.mockRow{display:flex;gap:8px;align-items:center;color:var(--mut);font-size:12px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(15,42,30,.18)}
.mockPane{flex:1;border-radius:14px;border:1px solid rgba(15,42,30,.08);background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(241,247,243,.90));display:grid;place-items:center;color:var(--mut);font-size:14px;text-align:center;padding:12px;overflow:hidden}
.muted-line{color:var(--mut2)}
.section{margin-top:34px}.section h2{margin:0 0 10px;font-size:22px;letter-spacing:-.2px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.card{border-radius:var(--radius);border:1px solid rgba(15,42,30,.08);background:rgba(255,255,255,.90);padding:16px;box-shadow:0 10px 30px rgba(8,25,18,.05)}
.card.soft{background:rgba(255,255,255,.82)}
.kicker{color:var(--mut2);font-size:13px;margin:0 0 6px}.card h3{margin:6px 0 8px;font-size:16px}.card p{margin:0;color:var(--mut);line-height:1.55;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
ul{margin:10px 0 0 18px;color:var(--mut);line-height:1.7}.mini{color:var(--mut2);font-size:13px;margin-top:10px}
.banner{border-radius:var(--radius2);border:1px solid rgba(15,42,30,.08);background:radial-gradient(540px 220px at 85% 0%, rgba(56,196,135,.14), rgba(56,196,135,0) 60%),radial-gradient(540px 220px at 20% 0%, rgba(30,166,114,.12), rgba(30,166,114,0) 60%),rgba(255,255,255,.88);padding:18px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px}
.banner .left{max-width:68ch}.banner h3{margin:0 0 6px;font-size:18px}.banner p{margin:0;color:var(--mut);line-height:1.5}
details{border:1px solid rgba(15,42,30,.08);background:rgba(255,255,255,.86);border-radius:14px;padding:12px;margin:10px 0;box-shadow:0 8px 24px rgba(8,25,18,.04)}
summary{cursor:pointer;font-weight:750} details p{margin:10px 0 0;color:var(--mut);line-height:1.55}
footer{margin-top:44px;padding-top:18px;border-top:1px solid rgba(15,42,30,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--mut2);font-size:13px}
footer a{color:var(--mut);padding:6px 8px;border-radius:10px} footer a:hover{background:rgba(30,166,114,.06);color:var(--txt)}
.demoWrap{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:stretch;margin-top:14px}
.demoPanel{border-radius:18px;border:1px solid rgba(15,42,30,.08);background:rgba(255,255,255,.88);padding:16px;box-shadow:0 10px 30px rgba(8,25,18,.05)}
.demoPanel h3{margin:0 0 8px;font-size:16px}.demoPanel p{margin:0;color:var(--mut);line-height:1.55;font-size:14px}
.controls{display:grid;gap:12px;margin-top:12px}.ctrl{display:grid;gap:6px}.ctrlTop{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.ctrl label{font-weight:700;font-size:13px;color:var(--txt)} .ctrl .val{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--mut);font-size:13px}
input[type="range"]{width:100%}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.kpi{border:1px solid rgba(15,42,30,.08);background:rgba(241,247,243,.9);border-radius:14px;padding:10px}
.kpi .k{font-size:12px;color:var(--mut2)} .kpi .v{margin-top:4px;font-weight:800}
.svgBox{margin-top:12px;border-radius:16px;border:1px solid rgba(15,42,30,.08);background:linear-gradient(180deg, #f8fbf9, #f2f8f4);overflow:hidden}
.svgBox svg{display:block;width:100%;height:auto}.hint{margin-top:10px;color:var(--mut2);font-size:12px;line-height:1.5}
@media (max-width:980px){.hero{grid-template-columns:1fr}h1{font-size:40px}.grid3,.split,.demoWrap{grid-template-columns:1fr}.topbar{position:static}.topbar::before{display:none}}