*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
--black:#000;--white:#fff;--gray-50:#fafafa;--gray-100:#f5f5f7;--gray-200:#e8e8ed;--gray-300:#d2d2d7;--gray-400:#86868b;--gray-500:#6e6e73;--gray-600:#1d1d1f;
--green:#34c759;--green-dark:#30b350;--blue:#007aff;--orange:#ff9500;--red:#ff3b30;
--gradient-green:linear-gradient(135deg,#34c759 0%,#30d158 100%);
--gradient-dark:linear-gradient(180deg,#1d1d1f 0%,#000 100%);
--shadow-sm:0 2px 8px rgba(0,0,0,0.04);--shadow-md:0 4px 20px rgba(0,0,0,0.08);--shadow-lg:0 12px 40px rgba(0,0,0,0.12);--shadow-xl:0 24px 80px rgba(0,0,0,0.16);
--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-xl:40px;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--white);color:var(--gray-600);line-height:1.6}
a{text-decoration:none;color:inherit;transition:all 0.3s}
.announce{background:var(--black);color:var(--white);padding:12px 20px;text-align:center;font-size:14px;font-weight:500}
.announce a{color:var(--green);margin-left:8px}
.announce a:hover{text-decoration:underline}
.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,0.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:21px;font-weight:700;letter-spacing:-0.5px;display:flex;align-items:center;gap:8px}
.logo span{color:var(--green)}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:14px;font-weight:500;color:var(--gray-600);opacity:0.8}
.nav-links a:hover{opacity:1;color:var(--green)}
.nav-cta{background:var(--green);color:var(--white);padding:8px 18px;border-radius:980px;font-size:14px;font-weight:600}
.nav-cta:hover{background:var(--green-dark)}
.page-hero{padding:100px 24px 60px;text-align:center;background:linear-gradient(180deg,var(--gray-100) 0%,var(--white) 100%)}
.page-hero h1{font-size:clamp(32px,5vw,48px);font-weight:700;letter-spacing:-0.02em;margin-bottom:16px}
.page-hero p{font-size:18px;color:var(--gray-500);max-width:600px;margin:0 auto}
.content{max-width:900px;margin:0 auto;padding:60px 24px}
.content h2{font-size:28px;font-weight:700;margin:40px 0 16px;letter-spacing:-0.02em}
.content h3{font-size:22px;font-weight:600;margin:32px 0 12px}
.content p{margin-bottom:16px;color:var(--gray-600);line-height:1.7}
.content ul,.content ol{margin:16px 0 24px 24px}
.content li{margin-bottom:8px;line-height:1.6}
.content a{color:var(--green);font-weight:500}
.content a:hover{text-decoration:underline}
.content-card{background:var(--gray-50);border-radius:var(--radius-lg);padding:32px;margin:24px 0;border:1px solid var(--gray-200)}
.cta-box{background:var(--gradient-green);color:var(--white);padding:40px;border-radius:var(--radius-lg);text-align:center;margin:40px 0}
.cta-box h3{font-size:24px;margin-bottom:8px}
.cta-box p{opacity:0.9;margin-bottom:20px}
.cta-box a{background:var(--white);color:var(--green-dark);padding:14px 28px;border-radius:980px;font-weight:600;display:inline-block}
.btn-primary{background:var(--gradient-green);color:var(--white);padding:14px 28px;border-radius:980px;font-weight:600;display:inline-block}
.btn-secondary{background:var(--gray-100);color:var(--gray-600);padding:14px 28px;border-radius:980px;font-weight:600;border:1px solid var(--gray-200);display:inline-block}
footer{background:var(--black);color:var(--white);padding:60px 24px 30px}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand p{color:var(--gray-400);margin-top:16px;font-size:14px;line-height:1.6}
.footer-col h4{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--gray-400);margin-bottom:20px}
.footer-col a{display:block;color:var(--gray-300);font-size:14px;margin-bottom:12px}
.footer-col a:hover{color:var(--green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-bottom p{color:var(--gray-500);font-size:13px}
.footer-legal a{color:var(--gray-500);font-size:13px;margin-left:24px}
@media(max-width:768px){.nav-links{display:none}.footer-grid{grid-template-columns:1fr}}