*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  color:#0f172a;
  background:#f6f8fb;
  line-height:1.7;
  font-size:15px;
}
h1,h2,h3,h4{font-family:inherit;margin:0;line-height:1.3;}
a{color:inherit;}
img{display:block;max-width:100%;}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px;}

/* header */
.site-head{background:#fff;border-bottom:2px solid #0f172a;position:sticky;top:0;z-index:80;}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 0;flex-wrap:wrap;}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;letter-spacing:.02em;text-decoration:none;}
.logo-mark{width:24px;height:24px;background:#2563eb;border:2px solid #0f172a;box-shadow:3px 3px 0 #0f172a;flex:0 0 auto;}
.logo-mark.b{background:#94a3b8;}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;}
.nav-links a{
  font-size:13px;text-decoration:none;color:#0f172a;background:#fff;
  border:2px solid #0f172a;border-radius:6px;padding:3px 10px;
  box-shadow:2px 2px 0 #0f172a;transition:background .15s,color .15s,transform .15s;
}
.nav-links a:hover{background:#2563eb;color:#fff;transform:translate(-1px,-1px);}

/* hero */
.hero{
  position:relative;overflow:hidden;color:#fff;border-bottom:2px solid #0f172a;
  background:linear-gradient(128deg,#94a3b8 0%,#64748b 34%,#2563eb 100%);
  padding:40px 0 34px;
}
.hero::before{
  content:"";position:absolute;width:220px;height:220px;right:-60px;top:-70px;
  background:#fff;opacity:.13;border-radius:4px;transform:rotate(18deg);
}
.hero::after{
  content:"";position:absolute;width:150px;height:150px;left:-50px;bottom:-70px;
  background:#0f172a;opacity:.18;transform:rotate(-12deg);
}
.hero .wrap{position:relative;z-index:2;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  background:#0f172a;color:#fff;padding:3px 10px;border-radius:4px;margin-bottom:14px;
  box-shadow:3px 3px 0 rgba(255,255,255,.45);
}
h1{font-size:clamp(22px,3.4vw,36px);font-weight:800;letter-spacing:-.01em;max-width:900px;}
.hero-sub{margin-top:12px;max-width:840px;font-size:14px;opacity:.93;}

/* sections */
section{padding:30px 0;}
.sec-head{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px;border-bottom:2px solid #0f172a;padding-bottom:8px;}
.sec-head h2{font-size:20px;font-weight:800;display:flex;align-items:center;gap:9px;}
.sec-head h2::before{content:"";width:14px;height:14px;background:#2563eb;border:2px solid #0f172a;box-shadow:2px 2px 0 #0f172a;display:inline-block;}
.sec-head .tag{font-size:12px;background:#94a3b8;color:#0f172a;border:2px solid #0f172a;border-radius:4px;padding:1px 8px;font-weight:700;}

/* geo */
.geo-box{
  background:#fff;border:2px solid #0f172a;border-radius:8px;
  box-shadow:6px 6px 0 #0f172a;padding:18px;
}
.geo-box p{margin:0 0 11px;font-size:14px;}
.geo-box p:last-child{margin-bottom:0;}
.geo-box strong{background:linear-gradient(transparent 62%,#94a3b8 62%);padding:0 2px;}

/* masonry */
.masonry{column-count:3;column-gap:14px;}
.card{
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  background:#fff;border:2px solid #0f172a;border-radius:8px;
  box-shadow:5px 5px 0 #0f172a;padding:13px;margin:0 0 14px;
}
.card h3{font-size:15px;font-weight:800;margin-bottom:7px;}
.card p{font-size:13.5px;margin:0 0 8px;color:#1e293b;}
.card p:last-child{margin-bottom:0;}
.card .num{
  display:inline-block;font-size:12px;font-weight:800;background:#2563eb;color:#fff;
  border:2px solid #0f172a;border-radius:4px;padding:0 7px;margin-bottom:8px;
}
.card .num.gray{background:#94a3b8;color:#0f172a;}
.card img{border:2px solid #0f172a;border-radius:4px;width:100%;object-fit:cover;margin-bottom:10px;}
.h-sm{height:110px;}
.h-md{height:150px;}
.h-lg{height:190px;}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.stat{
  background:#fff;border:2px solid #0f172a;border-radius:8px;box-shadow:5px 5px 0 #0f172a;
  padding:14px;text-align:left;
}
.stat:nth-child(2n){background:#eef2f7;}
.stat:nth-child(3n){background:#dbeafe;}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#1d4ed8;}
.stat span{font-size:12.5px;color:#334155;display:block;margin-top:4px;}

/* news */
.news-card{position:relative;}
.news-card .date{
  display:inline-block;font-size:11.5px;font-weight:700;color:#0f172a;
  background:#cbd5e1;border:2px solid #0f172a;border-radius:4px;padding:0 7px;margin-bottom:8px;
}
.news-card .label{
  display:inline-block;font-size:11.5px;font-weight:700;color:#fff;background:#2563eb;
  border:2px solid #0f172a;border-radius:4px;padding:0 7px;margin-left:6px;margin-bottom:8px;
}
.news-card .label.alt{background:#94a3b8;color:#0f172a;}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;}
.adv{
  background:#fff;border:2px solid #0f172a;border-radius:8px;box-shadow:5px 5px 0 #0f172a;padding:14px;
  display:flex;gap:12px;align-items:flex-start;
}
.adv .sq{
  flex:0 0 auto;width:34px;height:34px;border:2px solid #0f172a;border-radius:4px;
  background:#94a3b8;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.adv:nth-child(2) .sq{background:#2563eb;color:#fff;}
.adv:nth-child(3) .sq{background:#dbeafe;}
.adv:nth-child(4) .sq{background:#64748b;color:#fff;}
.adv h4{font-size:14.5px;margin-bottom:5px;}
.adv p{font-size:13.5px;margin:0;color:#334155;}

/* testimonials */
.quote{background:#fff;border:2px solid #0f172a;border-radius:8px;box-shadow:5px 5px 0 #0f172a;padding:14px;}
.quote p{font-size:13.5px;margin:0 0 9px;}
.quote cite{font-style:normal;font-size:12.5px;font-weight:700;color:#1d4ed8;}

/* faq */
.faq-item{
  background:#fff;border:2px solid #0f172a;border-radius:8px;box-shadow:5px 5px 0 #0f172a;
  padding:14px;margin-bottom:12px;
}
.faq-item h3{font-size:14.5px;font-weight:800;margin-bottom:8px;display:flex;gap:8px;align-items:flex-start;}
.faq-item h3 .q{
  flex:0 0 auto;width:22px;height:22px;border:2px solid #0f172a;border-radius:4px;
  background:#2563eb;color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;
}
.faq-item p{font-size:13.5px;margin:0;color:#1e293b;}

/* cta */
.cta-band{
  background:linear-gradient(120deg,#94a3b8 0%,#2563eb 100%);
  border:2px solid #0f172a;border-radius:8px;box-shadow:6px 6px 0 #0f172a;
  padding:20px;color:#fff;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.cta-band h2{font-size:20px;font-weight:800;color:#fff;}
.cta-band p{margin:6px 0 0;font-size:13.5px;opacity:.95;max-width:640px;}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;}
.btn{
  display:inline-block;text-decoration:none;font-weight:800;font-size:13.5px;
  background:#fff;color:#0f172a;border:2px solid #0f172a;border-radius:6px;
  padding:8px 16px;box-shadow:4px 4px 0 #0f172a;transition:transform .15s;
}
.btn:hover{transform:translate(-2px,-2px);}
.btn.blue{background:#0f172a;color:#fff;box-shadow:4px 4px 0 #94a3b8;}

/* footer */
.site-foot{background:#0f172a;color:#e2e8f0;margin-top:34px;border-top:2px solid #0f172a;padding:30px 0 18px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px;}
.site-foot h4{font-size:14px;color:#fff;margin-bottom:9px;display:flex;align-items:center;gap:8px;}
.site-foot h4::before{content:"";width:10px;height:10px;background:#2563eb;display:inline-block;border:1px solid #94a3b8;}
.site-foot p,.site-foot li{font-size:13px;color:#cbd5e1;margin:0 0 6px;list-style:none;}
.site-foot ul{padding:0;margin:0;}
.foot-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.foot-links a{font-size:13px;color:#e2e8f0;text-decoration:none;border:1px solid #475569;border-radius:4px;padding:2px 9px;}
.foot-links a:hover{background:#2563eb;border-color:#2563eb;}
.foot-bottom{border-top:1px solid #334155;margin-top:18px;padding-top:12px;font-size:12.5px;color:#94a3b8;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.foot-bottom a{color:#94a3b8;text-decoration:none;}

@media (max-width:1000px){
  .masonry{column-count:2;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .masonry{column-count:1;}
  .adv-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .nav-links a{font-size:12px;padding:2px 8px;}
}