/* Detail page styles */
:root{--bg:#ffffff;--bg2:#f8fafc;--ink:#111827;--text:#374151;--muted:#6b7280;--accent:#2563eb;--border:#e5e7eb;--radius:12px;--maxw:800px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Alibaba PuHuiTi","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.8}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.container{width:min(1200px,92vw);margin:0 auto}

/* Header */
.header{background:var(--ink);padding:16px 0}
.header .container{width:min(var(--maxw),92vw);margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.header .logo{color:#fff;font-size:18px;font-weight:700}
.header .logo span{color:var(--accent)}
.header .back{color:rgba(255,255,255,0.7);font-size:14px}
.header .back:hover{color:#fff;text-decoration:none}

/* Article */
.article{width:min(var(--maxw),92vw);margin:0 auto;padding:48px 0 80px}
.article-meta{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.article-tag{display:inline-block;background:var(--accent);color:#fff;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600}
.article-date{color:var(--muted);font-size:14px}
.article-title{font-size:32px;font-weight:800;color:var(--ink);margin:0 0 32px;line-height:1.4;text-align:center}
.article-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);margin-bottom:32px}
.article-body{font-size:16px;line-height:2;color:var(--text);max-width:100%}
.article-body h2{font-size:22px;color:var(--ink);margin:32px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--border)}
.article-body h3{font-size:18px;color:var(--ink);margin:24px 0 12px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body strong{color:var(--ink)}
.article-body blockquote{background:var(--bg2);border-left:4px solid var(--accent);padding:16px 20px;margin:24px 0;border-radius:0 var(--radius) var(--radius) 0;color:var(--muted)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;font-size:14px}
.article-body th{background:var(--bg2);font-weight:600;color:var(--ink)}

/* Nav buttons */
.article-nav{display:flex;justify-content:space-between;margin-top:48px;padding-top:24px;border-top:1px solid var(--border);gap:16px}
.article-nav a{display:block;padding:16px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;color:var(--text);transition:all .2s;flex:1}
.article-nav a:hover{border-color:var(--accent);text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,0.06)}
.article-nav a span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}

/* Footer */
.footer-mini{background:var(--ink);color:rgba(255,255,255,0.4);text-align:center;padding:24px 0;font-size:13px}