*{margin:0;padding:0;box-sizing:border-box}
:root{
--t50:#0645ad;
--a99:#f6f6f6;
--f76:#222;
--t33:#a2a9b1;
--b72:#eaf3ff;
--m22:#fff;
--z77:#c8d7e8;
--k82:3px;
--y15:0 1px 3px rgba(0,0,0,0.08);
--z12:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
--a27:'Georgia','SimSun',serif;
}
body{font-family:var(--z12);background:var(--a99);color:var(--f76);line-height:1.6}
a{color:var(--t50);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
@keyframes scrollUp{0%{transform:translateY(0)}100%{transform:translateY(-100%)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
@media(max-width:768px){
body{font-size:14px}
nav div{flex-direction:column;gap:8px}
aside{display:none}
div[style*="float:right"]{float:none!important;width:100%!important;margin:12px 0!important}
div[style*="grid-template-columns"]{grid-template-columns:1fr!important}
}
@media(max-width:480px){
body{font-size:13px}
h1{font-size:18px!important}
h2{font-size:16px!important}
}