*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.lf-body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:#0f1115;color:#f5f5f5;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.lf-container{max-width:1240px;margin:0 auto;padding:0 20px}

.lf-header{position:sticky;top:0;z-index:50;background:rgba(20,20,28,.78);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.lf-nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.lf-logo{font-weight:800;font-size:20px;background:linear-gradient(135deg,#ff5252,#ffb300);-webkit-background-clip:text;color:transparent;letter-spacing:.5px}
.lf-menu{display:flex;gap:6px;flex-wrap:wrap}
.lf-menu a{padding:8px 14px;border-radius:999px;font-size:14px;color:#94a3b8;transition:all .2s}
.lf-menu a:hover,.lf-menu a.active{background:linear-gradient(135deg,#ff5252,#ffb300);color:#fff}

.lf-hero{padding:46px 0 28px;position:relative;overflow:hidden}
.lf-hero::before{content:'';position:absolute;inset:-40% -10% auto auto;width:520px;height:520px;background:radial-gradient(circle,#ff525255,transparent 60%);filter:blur(40px);z-index:0}
.lf-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.lf-hero h1{font-size:clamp(28px,4vw,46px);line-height:1.2;margin-bottom:14px;letter-spacing:-.5px}
.lf-hero h1 em{font-style:normal;background:linear-gradient(135deg,#ff5252,#ffb300);-webkit-background-clip:text;color:transparent}
.lf-hero p{color:#94a3b8;font-size:16px;margin-bottom:22px;max-width:620px}
.lf-cta{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;background:linear-gradient(135deg,#ff5252,#ffb300);color:#fff;border-radius:999px;font-weight:600;box-shadow:0 8px 24px #ff525255;transition:transform .2s}
.lf-cta:hover{transform:translateY(-2px)}
.lf-hero-cover{border-radius:18px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.lf-hero-cover img{width:100%;height:100%;object-fit:cover}

.lf-section{padding:38px 0}
.lf-section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:22px;gap:12px;flex-wrap:wrap}
.lf-section-head h2{font-size:24px;letter-spacing:-.3px}
.lf-section-head h2::before{content:'';display:inline-block;width:6px;height:22px;background:linear-gradient(180deg,#ff5252,#ffb300);border-radius:3px;margin-right:10px;vertical-align:-3px}
.lf-section-head a{color:#94a3b8;font-size:14px}

.lf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.lf-card{background:#1a1d24;border:1px solid rgba(255,255,255,.08);border-radius:18px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.lf-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.18)}
.lf-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.lf-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.lf-card:hover .lf-cover img{transform:scale(1.06)}
.lf-tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#ff5252,#ffb300);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;z-index:1}
.lf-meta{padding:14px 16px}
.lf-meta h3{font-size:15px;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lf-meta .lf-info{display:flex;justify-content:space-between;color:#94a3b8;font-size:12px}

.lf-channels{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.lf-chan{padding:18px;background:#1a1d24;border:1px solid rgba(255,255,255,.08);border-radius:18px;text-align:center;transition:all .2s}
.lf-chan:hover{border-color:#ff5252;transform:translateY(-3px)}
.lf-chan span{display:block;font-size:22px;font-weight:800;background:linear-gradient(135deg,#ff5252,#ffb300);-webkit-background-clip:text;color:transparent;margin-bottom:6px}

.lf-comments{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.lf-cm{padding:16px;background:#1a1d24;border:1px solid rgba(255,255,255,.08);border-left:3px solid #ff5252;border-radius:18px}
.lf-cm strong{display:block;font-size:14px;margin-bottom:6px;color:#ff5252}
.lf-cm p{font-size:14px;color:#94a3b8}

.lf-article{background:#1a1d24;border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:28px;margin-top:18px}
.lf-article h1{font-size:28px;margin-bottom:8px}
.lf-article .lf-info{color:#94a3b8;font-size:13px;margin-bottom:18px}
.lf-article p{margin:12px 0;color:#cbd5e1}
.lf-article img{border-radius:12px;margin:14px 0;width:100%}

.lf-footer{margin-top:50px;padding:30px 0;border-top:1px solid rgba(255,255,255,.08);color:#94a3b8;font-size:13px;text-align:center}
.lf-footer a{color:#ff5252;margin:0 6px}

@media (max-width:760px){
  .lf-hero-inner{grid-template-columns:1fr}
  .lf-menu{display:none}
  .lf-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .lf-meta h3{font-size:13px}
}