*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#fff;--bg2:#f6f8fb;--line:#e5e9f0;--ink:#141a24;--muted:#667085;--hot:#2f7d5b;--hot2:#27684c;--hot-soft:rgba(37,99,235,.08);--max:1120px}
html{scroll-behavior:smooth}
body{font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;height:68px;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;white-space:nowrap}
.mark{width:32px;height:32px;background:linear-gradient(135deg,var(--hot),var(--hot2));color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;border-radius:7px;flex:0 0 auto}
.nav nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px;color:var(--muted);font-weight:500}
.nav nav a:hover{color:var(--ink)}
.lang{font-size:13px;border:1px solid var(--line);border-radius:6px;padding:6px 12px;color:var(--muted);white-space:nowrap}
.btn{display:inline-flex;align-items:center;padding:12px 20px;border-radius:7px;background:var(--hot);color:#fff;font-weight:700;font-size:14.5px;border:0;cursor:pointer}
.btn:hover{background:var(--hot2)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);font-weight:600}
.btn.ghost:hover{background:var(--bg2)}
.btn.sm{padding:8px 14px;font-size:13.5px}
.hero{padding:84px 0 60px;border-bottom:1px solid var(--line);background:radial-gradient(900px 400px at 82% -10%,var(--hot-soft),transparent 60%)}
.kicker{color:var(--hot);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:700}
h1{font-size:clamp(34px,4.8vw,54px);line-height:1.14;margin:18px 0 20px;letter-spacing:-.02em;font-weight:800}
h1 em{font-style:normal;color:var(--hot)}
.lede{font-size:18px;color:var(--muted);max-width:660px}
.cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:52px;border-radius:8px;overflow:hidden}
.stat{background:#fff;padding:22px}
.stat b{display:block;font-size:26px;letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--muted)}
section{padding:72px 0;border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3vw,34px);margin:0 0 12px;letter-spacing:-.02em}
.sub{color:var(--muted);margin:0 0 36px;max-width:700px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:26px 22px}
.card .ph{height:130px;background:linear-gradient(135deg,#eef2f8,#dfe7f2);border-radius:8px;margin-bottom:16px;display:grid;place-items:center;color:#9aa7ba;font-size:13px}
.card h3{font-size:18px;margin:0 0 8px}
.card p{color:var(--muted);font-size:14.5px}
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 40px}
.why h3{font-size:17px;margin:0 0 8px}
.why p{color:var(--muted);font-size:15px}
.cta-band{background:var(--ink);color:#fff;border-radius:14px;padding:52px;text-align:center}
.cta-band h2{font-size:30px;margin-bottom:10px}
.cta-band p{color:#a8aeb8;margin-bottom:26px}
footer{padding:44px 0 56px;color:var(--muted);font-size:13.5px;background:var(--bg2);border-top:1px solid var(--line)}
.fgrid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
@media(max-width:900px){.grid,.why,.stats{grid-template-columns:1fr 1fr}.nav nav{display:none}}
@media(max-width:600px){.grid,.why,.stats{grid-template-columns:1fr}}