:root {
  --bzpn-bg:#0e1218;
  --bzpn-fg:#f1f6ff;
  --bzpn-accent:#fb7299;
  --bzpn-accent2:#23ade5;
  --bzpn-card:rgba(255,255,255,.03);
  --bzpn-line:rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body.bzpn-body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;background:var(--bzpn-bg);color:var(--bzpn-fg);min-height:100vh;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block}
.bzpn-wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* B站推广 - 宽屏暗色 + 大图叠层 */
body.bzpn-body{background:radial-gradient(800px 500px at 0% 0%,rgba(251,114,153,.10),transparent 60%),radial-gradient(800px 500px at 100% 100%,rgba(35,173,229,.10),transparent 60%),var(--bzpn-bg)}
.bzpn-header{position:sticky;top:0;z-index:10;background:rgba(14,18,24,.7);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.bzpn-header .bzpn-wrap{display:flex;align-items:center;gap:16px;padding:14px 20px}
.bzpn-logo{display:flex;align-items:center;gap:10px}
.bzpn-logo h1{margin:0;font-size:18px;color:var(--bzpn-accent)}
.bzpn-nav{display:flex;gap:4px;flex:1;flex-wrap:wrap;justify-content:center}
.bzpn-nav a{padding:8px 14px;border-radius:8px;font-size:14px;opacity:.85}
.bzpn-nav a:hover{background:rgba(255,255,255,.05);opacity:1}
.bzpn-nav a.is-active{background:var(--bzpn-accent);color:#fff;opacity:1}
.bzpn-search{display:flex;background:rgba(255,255,255,.06);border-radius:999px;padding:4px 6px 4px 14px;align-items:center}
.bzpn-search input{background:transparent;border:0;outline:0;color:inherit;font-size:13px;width:160px}
.bzpn-search button{background:var(--bzpn-accent2);border:0;color:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;font-size:12px}
.bzpn-breadcrumb{max-width:1240px;margin:0 auto;padding:14px 20px;font-size:13px;opacity:.6}
.bzpn-hero{max-width:1240px;margin:0 auto 24px;padding:30px 28px;border-radius:18px;background:linear-gradient(135deg,rgba(251,114,153,.14),rgba(35,173,229,.10));border:1px solid rgba(255,255,255,.06)}
.bzpn-hero h2{margin:0 0 8px;font-size:24px}
.bzpn-hero p{margin:0;opacity:.8}
.bzpn-grid{max-width:1240px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.bzpn-card{grid-column:span 3;background:var(--bzpn-card);border:1px solid rgba(255,255,255,.06);border-radius:14px;overflow:hidden;transition:.3s;position:relative}
.bzpn-card:nth-child(7n+1){grid-column:span 6}
.bzpn-card:nth-child(7n+4){grid-column:span 4}
.bzpn-card:hover{transform:translateY(-3px);border-color:var(--bzpn-accent)}
.bzpn-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.bzpn-cover img{width:100%;height:100%;object-fit:cover;transition:.4s}
.bzpn-card:hover .bzpn-cover img{transform:scale(1.08)}
.bzpn-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.85))}
.bzpn-overlay{position:absolute;left:14px;right:14px;bottom:12px;z-index:2}
.bzpn-overlay h3{margin:0 0 4px;font-size:15px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.6)}
.bzpn-overlay p{margin:0;font-size:12px;color:rgba(255,255,255,.8);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bzpn-tag{position:absolute;top:10px;left:10px;font-size:11px;padding:3px 9px;border-radius:4px;background:var(--bzpn-accent);color:#fff;z-index:2}
.bzpn-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(0,0,0,.55);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:.3s;z-index:2}
.bzpn-card:hover .bzpn-play{opacity:1}
.bzpn-section{max-width:1240px;margin:34px auto;padding:0 20px}
.bzpn-section h2{font-size:20px;margin:0 0 12px;border-bottom:2px solid var(--bzpn-accent);padding-bottom:8px;display:inline-block}
.bzpn-reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.bzpn-review{padding:18px;border:1px solid rgba(255,255,255,.06);border-radius:14px;background:rgba(255,255,255,.03);border-left:3px solid var(--bzpn-accent2)}
.bzpn-review cite{display:block;margin-top:6px;opacity:.6;font-style:normal;font-size:13px}
.bzpn-faq details{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:14px 18px;margin:8px 0}
.bzpn-faq summary{cursor:pointer;font-weight:600;list-style:none}
.bzpn-faq summary::before{content:"▸";color:var(--bzpn-accent);margin-right:8px;display:inline-block;transition:.2s}
.bzpn-faq details[open] summary::before{transform:rotate(90deg)}
.bzpn-contact{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:20px}
.bzpn-contact pre{background:rgba(0,0,0,.35);color:var(--bzpn-accent);padding:12px;border-radius:10px;font-size:12px;margin:0;overflow:auto}
.bzpn-share{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.bzpn-share a{padding:6px 14px;border-radius:6px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-size:13px;cursor:pointer}
.bzpn-share a:hover{background:var(--bzpn-accent);color:#fff}
.bzpn-footer{margin-top:36px;padding:30px 20px;border-top:1px solid rgba(255,255,255,.06);font-size:13px;opacity:.7}
.bzpn-footer .bzpn-wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;max-width:1240px;margin:0 auto}
@media (max-width:1000px){ .bzpn-card,.bzpn-card:nth-child(7n+1),.bzpn-card:nth-child(7n+4){grid-column:span 6} }
@media (max-width:680px){ .bzpn-card,.bzpn-card:nth-child(7n+1),.bzpn-card:nth-child(7n+4){grid-column:span 12} .bzpn-contact,.bzpn-footer .bzpn-wrap{grid-template-columns:1fr} }