*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:#1f2937;line-height:1.75;background:#fff}
a{color:#0b3d91;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header{background:#0a2a5e;color:#fff;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px rgba(0,0,0,.15)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{color:#fff;font-weight:700;font-size:20px;letter-spacing:1px}.logo small{font-weight:400;font-size:12px;opacity:.75;margin-left:8px}
nav a{color:#dbe6ff;margin-left:22px;font-size:15px}nav a.on,nav a:hover{color:#fff;border-bottom:2px solid #4ea1ff;padding-bottom:4px}
.menu-btn{display:none;background:none;border:1px solid #6b8cc7;color:#fff;font-size:18px;padding:2px 10px;border-radius:4px}
.hero{background:linear-gradient(135deg,#0a2a5e 0%,#123f86 60%,#1d5bb8 100%);color:#fff;padding:72px 0}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:40px;line-height:1.3;margin-bottom:18px}.hero p{font-size:17px;opacity:.92}
.hero img{width:100%;border-radius:8px;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.btn{display:inline-block;margin-top:26px;background:#fff;color:#0a2a5e;padding:10px 26px;border-radius:4px;font-weight:600;margin-right:10px}
.btn.ghost{background:transparent;color:#fff;border:1px solid #fff}
.page-hero{background:linear-gradient(135deg,#0a2a5e,#1d5bb8);color:#fff;padding:48px 0}.page-hero h1{font-size:32px}.page-hero p{opacity:.9;margin-top:8px}
section{padding:60px 0}section.alt{background:#f4f7fc}
h2{font-size:28px;color:#0a2a5e;margin-bottom:10px;text-align:center}
.sub{text-align:center;color:#5b6b85;max-width:820px;margin:0 auto 36px}
h3{color:#0a2a5e;font-size:20px;margin-bottom:8px}
.grid{display:grid;gap:22px}.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid #e3e9f3;border-radius:8px;padding:24px;box-shadow:0 2px 6px rgba(10,42,94,.04)}
.card .k{font-size:22px;font-weight:700;color:#0b3d91;margin-bottom:6px}
.card ul{padding-left:18px;margin-top:8px}
.feat{display:grid;grid-template-columns:1fr 1.15fr;gap:36px;align-items:center;margin-bottom:44px}
.feat.rev .txt{order:2}
figure img{width:100%;border-radius:6px;border:1px solid #dfe5ef;box-shadow:0 6px 20px rgba(10,42,94,.12)}
figcaption{font-size:13px;color:#5b6b85;text-align:center;margin-top:8px}
.tag{display:inline-block;background:#e6efff;color:#0b3d91;font-size:12px;border-radius:3px;padding:1px 8px;margin-right:6px}
.layout{display:grid;grid-template-columns:220px 1fr;gap:36px}
.side{position:sticky;top:90px;align-self:start;border:1px solid #e3e9f3;border-radius:8px;overflow:hidden}
.side a{display:block;padding:12px 18px;border-bottom:1px solid #eef2f8;color:#1f2937}.side a:hover{background:#f4f7fc;color:#0b3d91}
.module{border-top:4px solid #0b3d91;padding-top:24px;margin-top:48px}
.module h2{text-align:left}
.list li{list-style:none;padding:10px 0;border-bottom:1px dashed #dbe2ee;display:flex;gap:16px}
.list .d{color:#0b3d91;font-weight:600;min-width:72px}
.ph{background:#fff7e6;border:1px dashed #f59e0b;color:#92400e;padding:2px 6px;border-radius:3px;font-size:13px}
footer{background:#0a1f45;color:#b8c6e0;padding:40px 0 20px;font-size:14px}
footer .grid{grid-template-columns:2fr 1fr 1fr}footer h4{color:#fff;margin-bottom:10px}footer a{color:#b8c6e0}
.copy{border-top:1px solid #1f3766;margin-top:24px;padding-top:14px;text-align:center;font-size:12px}
.partners img{max-width:900px;width:100%;display:block;margin:0 auto}
@media(max-width:900px){
 nav{display:none;position:absolute;top:64px;left:0;right:0;background:#0a2a5e;padding:10px 20px}nav.open{display:block}nav a{display:block;margin:0;padding:10px 0}
 .menu-btn{display:block}
 .hero .wrap,.feat,.layout,.g2,.g3,footer .grid{grid-template-columns:1fr}.g4{grid-template-columns:1fr 1fr}
 .feat.rev .txt{order:0}.side{position:static}.hero h1{font-size:28px}.hero{padding:44px 0}
}

.stats .card{display:flex;flex-direction:column;border-top:3px solid #0b3d91}.stats .card p{font-size:14.5px;line-height:1.75;color:#4a5568;margin:0}
@media(max-width:1100px){.g4.stats{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.g4.stats{grid-template-columns:1fr}.stats .card{padding:18px 20px}}