/* fj 专属样式 — 类名前缀 fj 确保前端指纹唯一 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --fj-bg:#0d0a1f;--fj-bg2:#181233;--fj-fg:#f0ecff;--fj-mute:#a39ec8;
  --fj-accent:#39d4ff;--fj-accent2:#7c5cff;
  --fj-glass:rgba(255,255,255,.06);--fj-border:rgba(255,255,255,.12);
  --fj-radius:14px;
}
html,body{background:var(--fj-bg);color:var(--fj-fg);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}

.fj-nav{position:sticky;top:0;z-index:50;background:var(--fj-bg2);border-bottom:1px solid var(--fj-border);backdrop-filter:saturate(180%) blur(14px)}
.fj-nav-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.fj-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--fj-fg)}
.fj-logo svg{width:34px;height:34px}
.fj-nav nav ul{list-style:none;display:flex;gap:18px;flex-wrap:wrap}
.fj-link{color:var(--fj-mute);font-size:14.5px;padding:6px 4px;border-bottom:2px solid transparent;transition:.2s}
.fj-link:hover,.fj-active{color:var(--fj-fg);border-color:var(--fj-accent)}
.fj-search{margin-left:auto;display:flex;gap:8px}
.fj-search input{background:var(--fj-glass);border:1px solid var(--fj-border);color:var(--fj-fg);padding:8px 12px;border-radius:var(--fj-radius);outline:none;width:220px;font-size:14px}
.fj-search button{background:var(--fj-accent);color:#fff;border:0;padding:8px 16px;border-radius:var(--fj-radius);cursor:pointer;font-weight:600}

.fj-main{max-width:1280px;margin:24px auto;padding:0 24px}
.fj-crumbs{max-width:1280px;margin:18px auto 0;padding:0 24px;color:var(--fj-mute);font-size:13px}
.fj-crumbs a{color:var(--fj-accent)}
.fj-section-h{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:28px 0 16px;border-bottom:1px solid var(--fj-border);padding-bottom:10px}
.fj-section-h h2{font-size:20px;font-weight:700;letter-spacing:.5px}
.fj-section-sub{color:var(--fj-mute);font-size:13px;max-width:55%}

.fj-channel-foot{max-width:1280px;margin:18px auto 0;padding:14px 22px;color:var(--fj-mute);font-size:13.5px;border-left:3px solid var(--fj-accent);background:var(--fj-bg2);border-radius:var(--fj-radius)}

.fj-hero{max-width:1280px;margin:24px auto 0;padding:0 24px}
.fj-hero-card{position:relative;border-radius:var(--fj-radius);overflow:hidden;border:1px solid var(--fj-border)}
.fj-hero-card img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/7}
.fj-hero-overlay{position:absolute;inset:auto 0 0 0;padding:28px 32px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.65));color:#fff}
.fj-hero-overlay h1{font-size:28px;margin-bottom:8px}
.fj-hero-overlay p{font-size:14px;max-width:780px;opacity:.92}

.fj-thumb{position:relative;border-radius:var(--fj-radius);overflow:hidden;background:#000}
.fj-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:.4s}
.fj-card:hover .fj-thumb img{transform:scale(1.05)}
.fj-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.5));display:flex;align-items:center;justify-content:center;opacity:0;transition:.3s}
.fj-card:hover .fj-mask{opacity:1}
.fj-play{width:54px;height:54px;border-radius:50%;background:var(--fj-accent);position:relative}
.fj-play::after{content:"";position:absolute;left:55%;top:50%;transform:translate(-50%,-50%);border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent}

.fj-meta{padding:12px 14px}
.fj-meta h3{font-size:15px;line-height:1.45;margin-bottom:6px}
.fj-meta p{color:var(--fj-mute);font-size:13px;line-height:1.55}
.fj-tags{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}
.fj-tags span{font-size:11.5px;padding:2px 8px;background:var(--fj-glass);border:1px solid var(--fj-border);border-radius:999px;color:var(--fj-mute)}

.fj-reviews{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.fj-review{padding:16px;background:var(--fj-bg2);border:1px solid var(--fj-border);border-radius:var(--fj-radius)}
.fj-stars{color:var(--fj-accent2);margin-bottom:6px;letter-spacing:2px}
.fj-review p{color:var(--fj-mute);font-size:13.5px}
.fj-user{margin-top:8px;color:var(--fj-fg);font-size:13px;font-weight:600}

.fj-contact{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fj-block{padding:18px 20px;background:var(--fj-bg2);border:1px solid var(--fj-border);border-radius:var(--fj-radius)}
.fj-block h3{font-size:15px;margin-bottom:10px}
.fj-block ul{list-style:none;color:var(--fj-mute);font-size:13.5px;line-height:2}
.fj-share{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}
.fj-share a{padding:6px 14px;background:var(--fj-accent);color:#fff;border-radius:var(--fj-radius);font-size:13px}

.fj-faq{padding:14px 18px;background:var(--fj-bg2);border:1px solid var(--fj-border);border-radius:var(--fj-radius);margin-bottom:8px}
.fj-faq summary{cursor:pointer;font-weight:600;font-size:14.5px}
.fj-faq p{margin-top:8px;color:var(--fj-mute);font-size:13.5px}

.fj-footer{margin-top:50px;border-top:1px solid var(--fj-border);background:var(--fj-bg2)}
.fj-footer-inner{max-width:1280px;margin:0 auto;padding:30px 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.fj-footer h4{font-size:14px;margin-bottom:10px;color:var(--fj-fg)}
.fj-footer ul{list-style:none;color:var(--fj-mute);font-size:13px;line-height:1.9}
.fj-footer a{color:var(--fj-mute)} .fj-footer a:hover{color:var(--fj-accent)}
.fj-footer p{color:var(--fj-mute);font-size:13px}
.fj-copy{text-align:center;padding:16px;color:var(--fj-mute);font-size:12.5px;border-top:1px solid var(--fj-border)}

@media (max-width:780px){
  .fj-search{display:none}
  .fj-section-sub{display:none}
  .fj-contact,.fj-footer-inner{grid-template-columns:1fr}
  .fj-hero-overlay h1{font-size:20px}
}

.fj-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px}
.fj-grid > .fj-card{background:var(--fj-bg2);border:1px solid var(--fj-border);border-radius:var(--fj-radius);overflow:hidden;display:grid;grid-template-columns:240px 1fr}
.fj-grid > .fj-card:first-child{grid-column:1/-1;grid-template-columns:1.4fr 1fr}
.fj-grid > .fj-card .fj-thumb{border-radius:0}
@media (max-width:780px){ .fj-grid,.fj-grid > .fj-card,.fj-grid > .fj-card:first-child{grid-template-columns:1fr!important} }