:root{--fg:#1a1a1a;--muted:#666;--bg:#fff;--accent:#2a5c8a;--border:#e4e4e4;--panel:#f7f7f5}
*{box-sizing:border-box}body{margin:0;font-family:'Georgia','Times New Roman',serif;color:var(--fg);background:var(--bg);line-height:1.6}
.container{max-width:960px;margin:0 auto;padding:0 20px}
.site-header{background:var(--panel);border-bottom:1px solid var(--border);padding:20px 0}
.site-header .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.site-title{font-size:22px;font-weight:700;color:var(--fg);letter-spacing:-0.3px}
.site-title a{color:inherit;text-decoration:none}
.tagline{font-size:13px;color:var(--muted);margin-top:4px}
.main-nav ul{list-style:none;padding:0;margin:0;display:flex;gap:20px}
.main-nav a{color:var(--fg);text-decoration:none;font-size:14px;font-family:'Helvetica Neue',Arial,sans-serif}
.main-nav a:hover{color:var(--accent)}
.page-wrap{padding:32px 0 48px}
.grid{display:grid;grid-template-columns:1fr 280px;gap:40px}
@media(max-width:720px){.grid{grid-template-columns:1fr}}
h1{font-size:32px;line-height:1.2;margin:0 0 16px}
h2{font-size:22px;margin:28px 0 10px}
h3{font-size:18px;margin:20px 0 8px}
h4{font-size:16px;margin:16px 0 6px}
p{margin:0 0 14px}
ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:6px}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:20px;font-family:'Helvetica Neue',Arial,sans-serif}
.tag{display:inline-block;background:var(--panel);color:var(--fg);padding:2px 8px;border-radius:3px;font-size:12px;margin-right:4px}
.sidebar .widget{background:var(--panel);border:1px solid var(--border);padding:16px;margin-bottom:20px;border-radius:4px}
.sidebar h3{font-size:14px;text-transform:uppercase;letter-spacing:0.5px;color:var(--muted);margin:0 0 10px;font-family:'Helvetica Neue',Arial,sans-serif}
.sidebar ul{font-size:14px;padding-left:18px}
.sidebar a{color:var(--accent);text-decoration:none}
.sidebar a:hover{text-decoration:underline}
.alert{padding:14px 16px;border-left:4px solid var(--accent);background:var(--panel);margin:16px 0;font-size:14px;border-radius:0 4px 4px 0}
.alert-info{border-left-color:var(--accent)}
.post-list{list-style:none;padding:0}
.post-list>li{border-bottom:1px solid var(--border);padding:16px 0}
.post-list>li:last-child{border-bottom:none}
.post-list h3{margin:0 0 6px;font-size:19px}
.post-list h3 a{color:var(--fg);text-decoration:none}
.post-list h3 a:hover{color:var(--accent)}
.post-list .summary{font-size:14px;color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;border:none;border-radius:3px;font-size:14px;cursor:pointer;text-decoration:none;font-family:'Helvetica Neue',Arial,sans-serif}
label{display:block;font-size:14px;margin:12px 0 4px;font-family:'Helvetica Neue',Arial,sans-serif}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:3px;font-size:14px;font-family:inherit}
.site-footer{background:var(--panel);border-top:1px solid var(--border);padding:24px 0;margin-top:40px;font-size:13px;color:var(--muted)}
.site-footer h4{color:var(--fg);font-size:14px;margin:0 0 8px;text-transform:uppercase;letter-spacing:0.5px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:16px}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}}
.footer-grid ul{list-style:none;padding:0;font-size:13px}
.footer-grid a{color:var(--muted);text-decoration:none}
.footer-grid a:hover{color:var(--accent)}