:root{--p:#2c5282;--bg:#f7fafc;--t:#2d3748;--tl:#718096;--b:#e2e8f0;--w:#fff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,sans-serif;line-height:1.6;color:var(--t);background:var(--bg)}
header{background:var(--p);color:#fff;padding:1rem 2rem;position:sticky;top:0;z-index:99}
header nav{max-width:1000px;margin:0 auto}.logo{color:#fff;text-decoration:none;font-weight:700;font-size:1.2rem}
main{max-width:1000px;margin:0 auto;padding:2rem}
.hero{text-align:center;padding:2rem 0;border-bottom:1px solid var(--b);margin-bottom:2rem}
.hero h1{color:var(--p);font-size:2rem}.hero p{color:var(--tl)}
#search{width:100%;padding:1rem;font-size:1rem;border:2px solid var(--b);border-radius:8px;margin-bottom:1rem}
#search:focus{outline:none;border-color:var(--p)}
.nav{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.nav a{padding:.5rem 1rem;background:var(--w);color:var(--p);text-decoration:none;border-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.1)}
.nav a:hover{background:var(--p);color:#fff}
section{background:var(--w);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 1px 3px rgba(0,0,0,.1)}
section h2{color:var(--p);border-bottom:2px solid var(--b);padding-bottom:.5rem;margin-bottom:1rem}
ul{list-style:none}
li{padding:.75rem 0;border-bottom:1px solid var(--b);display:flex;justify-content:space-between;gap:1rem}
li:last-child{border:none}
li a{color:var(--t);text-decoration:none;flex:1}li a:hover{color:#4299e1}
li span{color:var(--tl);font-size:.875rem}
article{background:var(--w);border-radius:8px;padding:2rem;box-shadow:0 1px 3px rgba(0,0,0,.1)}
article h1{color:var(--p);margin-bottom:.5rem}
article .meta{color:var(--tl);margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--b)}
article .content{line-height:1.8}article .content img{max-width:100%;height:auto;margin:1rem 0}
.back{display:inline-block;margin-top:2rem;color:var(--p);text-decoration:none}
@media(max-width:768px){main{padding:1rem}li{flex-direction:column;align-items:flex-start}}