body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0;background:#fafafa;color:#111}
a{color:inherit}
.container{max-width:1050px;margin:0 auto;padding:16px}
.site-header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1050px;margin:0 auto;padding:12px 16px}
.brand{font-weight:900;text-decoration:none}
.nav{display:flex;gap:12px;flex-wrap:wrap}
.nav a{text-decoration:none;color:#333;font-weight:700;font-size:14px}
.card{background:#fff;border:1px solid #eee;border-radius:16px;padding:14px;box-shadow:0 8px 20px rgba(0,0,0,.04)}
.card-title{font-weight:900}
.muted{color:#666}
.badge{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid #eee;border-radius:999px;font-size:12px;background:#fff}
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:860px){.grid-2{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:999px;border:1px solid #eee;text-decoration:none;font-weight:800;background:#fff}
.stack-lg{display:flex;flex-direction:column;gap:16px}
.article-meta{display:flex;gap:10px;flex-wrap:wrap;color:#666;font-size:12px}
.read-progress{position:fixed;top:0;left:0;height:3px;width:0%;background:rgba(20,90,255,.95);z-index:9999;transition:width .08s linear}
.next-prompt{position:fixed;right:16px;bottom:16px;width:min(360px,calc(100vw - 32px));background:#fff;border:1px solid #e8e8e8;border-radius:18px;box-shadow:0 14px 40px rgba(0,0,0,.10);padding:14px 14px 12px;z-index:9998;display:none}
.next-prompt .np-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.next-prompt .np-title{font-weight:900;font-size:15px;line-height:1.3}
.next-prompt .np-close{border:1px solid #e8e8e8;background:#fff;border-radius:999px;padding:6px 10px;cursor:pointer;font-size:12px}
.next-prompt .np-body{margin-top:8px;font-size:13px;color:#444;line-height:1.55}
.next-prompt .np-actions{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}
.next-prompt .np-actions a{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:999px;border:1px solid #e8e8e8;font-weight:800;text-decoration:none}
.next-prompt .np-actions a.primary{background:#111;color:#fff;border-color:#111}
.box{border:1px solid #eee;border-radius:12px;padding:12px;background:#fff}
.box-note{background:#fbfbff}
/* ads */
.ad-box{margin:12px 0}
.ad-badge{display:none}
.ad-code{max-width:100%;overflow:hidden}