:root{
  --bg:#0b0f17;--card:#121927;--text:#e8eefc;--muted:#9fb1d1;--primary:#f04f4f;--line:#24324d;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:#8cc2ff;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:980px;margin:0 auto;padding:24px 16px}
.hero{padding:24px;border:1px solid var(--line);background:linear-gradient(180deg,#151f31 0%,#111a29 100%);border-radius:14px}
.hero h1{margin:0 0 8px 0;font-size:30px}
.hero p{margin:0;color:var(--muted)}
.meta{color:var(--muted);font-size:13px}
.grid{display:grid;gap:12px;margin-top:18px}
.card{padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.card h3{margin:0 0 8px 0;font-size:20px}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{display:inline-block;padding:2px 10px;border:1px solid #3b4f74;border-radius:999px;color:#b9cced;font-size:12px}
.article{padding:18px;border:1px solid var(--line);border-radius:14px;background:#101826}
.article h1,.article h2,.article h3{line-height:1.35}
.article img{max-width:100%;border-radius:10px;border:1px solid var(--line)}
.article .meta-box{margin:12px 0;padding:10px 12px;border:1px solid #2e4164;border-radius:10px;background:#0f1c30}
.article .meta-box p{margin:0 0 6px 0}
.article .meta-box ul{margin:8px 0 0 18px;padding:0}
.article .faq-item{margin:10px 0 0 0;padding-top:10px;border-top:1px dashed #2e4164}
.article .faq-item:first-of-type{margin-top:8px;padding-top:8px}
.article .related{margin-top:18px}
.article .related ul{margin:8px 0 0 18px}
.foot{margin:26px 0 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
code{background:#1b2a42;padding:1px 6px;border-radius:6px}