:root{--bg: #0d0d0d;--surface: #1a1a1a;--surface2: #242424;--border: #333;--text: #e0e0e0;--text2: #999;--accent: #ff6b35;--accent2: #ff8c42;--tag-bg: #2a2a2a;--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent2)}.site-header{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 24px;position:sticky;top:0;z-index:100}.site-header .inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.site-header h1{font-size:1.25rem;font-weight:600;color:var(--accent)}.site-header .sub{font-size:.85rem;color:var(--text2)}main{max-width:1400px;margin:0 auto;padding:24px}.site-footer{text-align:center;padding:32px 24px;color:var(--text2);font-size:.8rem;border-top:1px solid var(--border)}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:20px;font-size:.9rem}.btn{padding:6px 14px;border-radius:var(--radius);font-size:.8rem;font-weight:500;cursor:pointer;border:none;text-align:center;display:inline-flex;align-items:center;gap:4px;text-decoration:none;font-family:inherit}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent2);color:#fff}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text);font-size:.8rem}.btn-outline:hover{border-color:var(--accent)}.lut-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.lut-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .15s,border-color .15s;display:flex;flex-direction:column}.lut-card:hover{transform:translateY(-2px);border-color:var(--accent)}.lut-card-img{width:100%;height:auto;display:block;object-fit:contain;background:var(--surface2)}.lut-card-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}.lut-card-title{font-size:1rem;font-weight:600;color:var(--text)}.lut-card-author{font-size:.85rem;color:var(--accent)}.lut-card-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:.72rem}.lut-card-meta span{background:var(--tag-bg);color:var(--text2);padding:2px 8px;border-radius:10px}.lut-card-tags{display:flex;gap:4px;flex-wrap:wrap}.lut-card-tag{background:var(--tag-bg);color:var(--text2);padding:2px 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var(--border)}.detail-title{font-size:1.5rem;margin-bottom:8px}.detail-author{color:var(--accent);font-size:1rem;margin-bottom:16px}.detail-desc{color:var(--text2);margin-bottom:20px;line-height:1.8}.detail-meta{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:.85rem;margin-bottom:20px}.detail-meta dt{color:var(--text2);white-space:nowrap}.detail-files{margin-top:20px}.detail-files h3{font-size:1rem;margin-bottom:12px}.file-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--surface2);border-radius:var(--radius);margin-bottom:8px}.file-name{font-family:SF Mono,Cascadia Code,monospace;font-size:.85rem}.file-meta{font-size:.72rem;color:var(--text2)}@media(max-width:768px){.detail-layout,.lut-grid{grid-template-columns:1fr}.site-header .inner{flex-direction:column;align-items:flex-start}}