*{box-sizing:border-box}
body{margin:0;font:15px/1.75 -apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#1a1a1a;background:#fff}
#wrap{display:flex;min-height:100vh}
#sidebar{width:320px;flex:0 0 320px;border-right:1px solid #e5e5e5;height:100vh;position:sticky;top:0;display:flex;flex-direction:column;background:#fafafa}
#top{padding:12px;border-bottom:1px solid #e5e5e5;background:#fafafa}
#home{display:block;font-weight:700;color:#b8232f;text-decoration:none;margin-bottom:8px;font-size:16px}
#q{width:100%;padding:7px 10px;border:1px solid #ccc;border-radius:6px;font-size:14px}
#res{margin-top:6px;max-height:50vh;overflow:auto;display:none;background:#fff;border:1px solid #e5e5e5;border-radius:6px}
#res a{display:block;padding:6px 10px;color:#222;text-decoration:none;font-size:14px;border-bottom:1px solid #f0f0f0}
#res a:hover{background:#f5f5f5}#res .no{display:block;padding:8px 10px;color:#999}
#side{overflow:auto;padding:8px 6px 40px;flex:1}
#side details{margin:0}#side summary{cursor:pointer;padding:4px 6px;border-radius:4px;list-style:none}
#side summary::-webkit-details-marker{display:none}
#side summary:hover{background:#eee}
#side summary.p{font-weight:700;color:#b8232f}
#side summary.s{font-weight:600;color:#333;padding-left:18px}
#side summary.s i{color:#aaa;font-style:normal;font-size:12px;font-weight:400}
#side ul{list-style:none;margin:0;padding:0 0 4px}
#side li a{display:block;padding:3px 8px 3px 34px;color:#444;text-decoration:none;font-size:14px;border-radius:4px}
#side li a:hover{background:#eee}
#side li a.cur{background:#b8232f;color:#fff}
main{flex:1;min-width:0;padding:28px 48px 80px;max-width:980px}
main h1{font-size:26px;border-bottom:2px solid #b8232f;padding-bottom:10px;margin:.2em 0 .4em}
.bc{color:#999;font-size:13px}
.meta{color:#666;font-size:13px;margin-bottom:20px}
.meta a{color:#b8232f}
article{font-size:15.5px}
article table{border-collapse:collapse;margin:14px 0;width:auto;max-width:100%}
article td,article th{border:1px solid #ccc;padding:5px 10px;vertical-align:top}
article img{max-width:100%}
.cards{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.cards a{display:block;padding:14px 18px;border:1px solid #e5e5e5;border-radius:8px;text-decoration:none;color:#222;min-width:150px}
.cards a:hover{border-color:#b8232f;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.cards b{color:#b8232f;font-size:18px}
@media(max-width:760px){#sidebar{display:none}main{padding:18px}}