:root{--bg:#f7f8fa;--card:#ffffff;--text:#222;--muted:#666;--primary:#0b65c2;--border:#e6e8eb}
*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Heiti SC","WenQuanYi Micro Hei",sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:18px 20px}
.site-logo a{font-size:22px;font-weight:700;color:var(--text)}
.site-nav a{margin:0 10px;color:var(--text)}
.site-nav a:hover{color:var(--primary)}
.hero{padding:28px 0}
.hero h2{margin:0 0 8px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted)}
.section{margin:26px 0}
.list{background:#fff;border:1px solid var(--border);border-radius:10px}
.list .item{padding:14px 16px;border-bottom:1px solid var(--border)}
.list .item:last-child{border-bottom:none}
.badge{display:inline-block;background:#eef5ff;color:#0b65c2;border:1px solid #d7e7ff;border-radius:999px;padding:2px 10px;font-size:12px;margin-right:8px}
.kpi{display:flex;gap:16px;flex-wrap:wrap}
.kpi .box{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px 14px;min-width:180px}
.site-footer{margin-top:36px;padding:22px 0;background:#fff;border-top:1px solid var(--border)}
.site-footer .copyright-text{color:#555;font-size:13px}
@media (max-width:960px){.grid{grid-template-columns:1fr 1fr}.site-nav{display:flex;flex-wrap:wrap}.site-nav a{margin:6px 10px}}
@media (max-width:640px){.grid{grid-template-columns:1fr}.site-header .container{flex-direction:column;align-items:flex-start}}