:root {
--b1:#f0f7ff;
--b2:#e1effa;
--ac:#1a56db;
--a2:#2563eb;
--tx:#0b1d35;
--mt:#546e85;
--bd:rgba(26,86,219,0.15);
--navbg:rgba(255,255,255,0.97);
--cardbg:rgba(26,86,219,0.03);
--r:8px;
--fn:'Inter','PingFang SC',sans-serif
}
*{margin:0;padding:0;box-sizing:border-box;text-decoration:none;list-style:none}
body{font-family:var(--fn);background:var(--b1);color:var(--tx);line-height:1.6}
img{max-width:100%;height:auto}
a{color:inherit}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--navbg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--bd);transition:all .3s}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{font-size:1.15rem;font-weight:700;background:linear-gradient(135deg,var(--ac),var(--a2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;gap:2px;align-items:center}
.nav-links a,.nav-links .nav-cta{padding:6px 18px;font-size:.85rem;color:var(--mt);border-radius:6px;transition:all .2s}
.nav-links a:hover{color:var(--ac);background:var(--cardbg)}
.nav-cta{padding:7px 20px !important;background:linear-gradient(135deg,var(--ac),var(--a2));color:#fff !important;border-radius:8px !important;font-weight:600;font-size:.82rem;cursor:pointer}
.nav-cta:hover{opacity:.9}

/* Hero */
.hero{min-height:85vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;position:relative;overflow:hidden;background:linear-gradient(135deg,#0a1628 0%,#0f2847 40%,#1a3a6b 70%,#0a1628 100%)}
.hero::before{content:'';position:absolute;top:-30%;right:-20%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(26,86,219,0.25),transparent 70%)}
.hero::after{content:'';position:absolute;bottom:-20%;left:-10%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,0.15),transparent 70%)}
.hero *{position:relative;z-index:1}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:16px;color:#fff;letter-spacing:-.5px;line-height:1.2}
.hero h1 span{background:linear-gradient(135deg,#60a5fa,#3b82f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(.95rem,1.5vw,1.15rem);color:rgba(255,255,255,0.6);max-width:600px;margin:0 auto 32px;line-height:1.7}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-btn-primary{display:inline-flex;padding:14px 36px;border-radius:50px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .3s;border:none}
.hero-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(37,99,235,0.35)}
.hero-btn-secondary{display:inline-flex;padding:14px 36px;border-radius:50px;border:1px solid rgba(255,255,255,0.2);color:rgba(255,255,255,0.8);font-weight:500;font-size:.95rem;cursor:pointer;transition:all .3s;background:transparent}
.hero-btn-secondary:hover{background:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.4)}
.hero-stats{display:flex;gap:40px;margin-top:50px;flex-wrap:wrap;justify-content:center}
.hero-stat{text-align:center}
.hero-stat-num{font-size:1.6rem;font-weight:800;color:#60a5fa}
.hero-stat-label{font-size:.78rem;color:rgba(255,255,255,0.45);margin-top:2px}

/* Section common */
.section{padding:80px 24px}
.section-alt{background:var(--b2)}
.section-inner{max-width:1100px;margin:0 auto}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(1.4rem,2.5vw,1.8rem);font-weight:700;margin-bottom:10px}
.section-title p{font-size:.9rem;color:var(--mt);max-width:500px;margin:0 auto;line-height:1.6}

/* Services grid */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.service-card{padding:32px 24px;background:#fff;border:1px solid var(--bd);border-radius:12px;text-align:center;transition:all .3s;cursor:default}
.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(26,86,219,0.1);border-color:var(--ac)}
.service-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--ac),var(--a2));display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.4rem}
.service-card h3{font-size:.95rem;font-weight:600;margin-bottom:6px}
.service-card p{font-size:.8rem;color:var(--mt);line-height:1.5}

/* Stats section */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat-box{text-align:center;padding:28px 16px;background:linear-gradient(135deg,var(--ac),#1e40af);border-radius:14px;color:#fff}
.stat-box-num{font-size:1.8rem;font-weight:800;margin-bottom:4px}
.stat-box-label{font-size:.82rem;opacity:.8}

/* Articles */
.article-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.article-card{padding:24px;background:#fff;border:1px solid var(--bd);border-radius:10px;transition:all .3s;display:block;color:var(--tx)}
.article-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(26,86,219,0.08);border-color:var(--ac)}
.article-cat{font-size:.65rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--ac);font-weight:600;margin-bottom:6px}
.article-card h3{font-size:.9rem;font-weight:600;margin-bottom:6px;line-height:1.4}
.article-card p{font-size:.78rem;color:var(--mt);line-height:1.5}
.article-more{font-size:.75rem;color:var(--ac);font-weight:600;margin-top:8px;display:inline-block}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.feature-item{display:flex;gap:16px;padding:20px;background:#fff;border:1px solid var(--bd);border-radius:10px;transition:all .2s}
.feature-item:hover{border-color:var(--ac)}
.feature-check{width:28px;height:28px;border-radius:50%;background:rgba(26,86,219,0.1);color:var(--ac);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.75rem;font-weight:700}
.feature-text h4{font-size:.85rem;font-weight:600;margin-bottom:3px}
.feature-text p{font-size:.75rem;color:var(--mt);line-height:1.4}

/* Trust section */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.trust-card{padding:24px;background:#fff;border:1px solid var(--bd);border-radius:10px;text-align:center}
.trust-card .icon{font-size:1.8rem;margin-bottom:8px}
.trust-card h4{font-size:.85rem;font-weight:600;margin-bottom:4px}
.trust-card p{font-size:.72rem;color:var(--mt)}

/* CTA banner */
.cta-banner{padding:60px 24px;background:linear-gradient(135deg,#0a1628,#1a3a6b);text-align:center;color:#fff}
.cta-banner h2{font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;margin-bottom:10px}
.cta-banner p{font-size:.88rem;color:rgba(255,255,255,0.6);margin-bottom:24px;max-width:500px;margin-left:auto;margin-right:auto}
.cta-banner .cta-btn{display:inline-flex;padding:12px 32px;border-radius:50px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .3s}
.cta-banner .cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(37,99,235,0.4)}

/* Footer */
.footer{background:#0a1628;padding:40px 24px 20px;color:rgba(255,255,255,0.5)}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
@media(max-width:768px){.footer-inner{grid-template-columns:1fr 1fr}}
.footer h4{color:#fff;font-size:.85rem;font-weight:600;margin-bottom:10px}
.footer p{font-size:.75rem;line-height:1.6}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a{font-size:.75rem;transition:color .2s}
.footer-links a:hover{color:var(--ac)}
.footer-bottom{max-width:1100px;margin:24px auto 0;padding-top:16px;border-top:1px solid rgba(255,255,255,0.06);text-align:center;font-size:.68rem}