*{margin:0;padding:0;box-sizing:border-box}
:root{--white:#FFFFFF;--bg:#FFFFFF;--ink:#111111;--sub:#6B7280;--muted:#9CA3AF;--line:#F3F4F6;--line2:#E5E7EB}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.88);backdrop-filter:blur(24px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:22px;font-weight:800;letter-spacing:-0.5px;text-decoration:none;color:var(--ink)}
.header-links{display:flex;gap:24px}
.header-links a{text-decoration:none;color:var(--sub);font-size:14px;font-weight:500;transition:color .15s}
.header-links a:hover{color:var(--ink)}
.content{max-width:760px;margin:0 auto;padding:120px 32px 80px}
.content h1{font-size:clamp(28px,5vw,40px);font-weight:900;letter-spacing:-1.5px;margin-bottom:8px}
.meta{font-size:13px;color:var(--muted);margin-bottom:48px}
.content h2{font-size:18px;font-weight:800;margin-top:40px;margin-bottom:12px;letter-spacing:-0.3px}
.content p,.content li{font-size:15px;color:var(--sub);line-height:1.8;margin-bottom:12px}
.content ul{padding-left:20px;margin-bottom:16px}
.content li{margin-bottom:6px}
footer{border-top:1px solid var(--line2);padding:40px 32px}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-left{display:flex;flex-direction:column;gap:8px}
.footer-brand{font-size:16px;font-weight:800}
.footer-copy{font-size:13px;color:var(--muted)}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a,.footer-links button{text-decoration:none;color:var(--sub);font-size:13px;font-weight:500;transition:color .15s;background:none;border:0;padding:0;font-family:inherit;cursor:pointer}
.footer-links a:hover,.footer-links button:hover{color:var(--ink)}
@media(max-width:768px){.footer-inner{flex-direction:column;text-align:center}}