:root{--blue1:#2EA1FF;--blue2:#1A56E8;--ink:#0E1A3C;--muted:#5B6680;--line:#E6ECF5;--soft:#F1F6FF}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:var(--blue2);text-decoration:none}
.bnav{display:flex;align-items:center;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);max-width:1000px;margin:0 auto}
.bnav img{height:30px;display:block}
.bnav .sp{flex:1}
.bnav a.link{color:var(--muted);font-size:14px}
.bnav a.link:hover{color:var(--blue2)}
.bwrap{max-width:820px;margin:0 auto;padding:34px 22px 70px}
.bhead h1{font-size:34px;margin:0 0 8px}
.bhead p{color:var(--muted);margin:0 0 26px}
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.pcard{border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.14s;background:#fff;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--blue1);box-shadow:0 10px 26px rgba(26,86,232,.10);transform:translateY(-2px)}
.pcard .cov{aspect-ratio:16/9;background:var(--soft) center/cover no-repeat}
.pcard .body{padding:16px}
.pcard h3{margin:0 0 6px;font-size:18px;color:var(--ink)}
.pcard .ex{color:var(--muted);font-size:14px;margin:0 0 8px}
.pcard .dt{color:var(--muted);font-size:12px}
.empty{color:var(--muted);text-align:center;padding:50px}
.article .cover{width:100%;max-height:420px;object-fit:cover;border-radius:16px;margin-bottom:24px}
.article h1{font-size:38px;margin:0 0 6px;line-height:1.15}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:26px}
.article .content{font-size:17px}
.article .content img{max-width:100%;height:auto;border-radius:10px;margin:14px 0}
.article .content h2{font-size:26px;margin:28px 0 10px}
.article .content h3{font-size:21px;margin:22px 0 8px}
.article .content p{margin:0 0 16px}
.article .content a{text-decoration:underline}
.article .content blockquote{border-left:3px solid var(--blue1);margin:0 0 16px;padding:4px 16px;color:var(--muted)}
.article .content ul,.article .content ol{margin:0 0 16px;padding-left:24px}
.backlink{display:inline-block;margin-top:34px;color:var(--muted)}
.foot{border-top:1px solid var(--line);padding:24px 22px;text-align:center;color:var(--muted);font-size:13px}
@media(max-width:560px){ .bhead h1,.article h1{font-size:28px} }