*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.6;background:#fff}
.container{max-width:980px;margin:0 auto;padding:0 20px}
.header-flex{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.logo{height:60px;width:auto;margin:10px 0}
.site-header{border-bottom:1px solid #e6e6e6;background:#f8f9fb;padding:10px 0}
.nav a{margin-right:12px;text-decoration:none;color:#1a73e8}
.nav a:hover{text-decoration:underline}
.site-footer{border-top:1px solid #e6e6e6;background:#fafafa;padding:16px 0;margin-top:24px;font-size:14px;color:#555;text-align:center}