:root{--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--bg-gradient:linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);--bg-body:#f8fafc;--card-bg:rgba(255, 255, 255, 0.85);--card-hover-bg:#ffffff;--text-main:#1e293b;--text-sub:#64748b;--text-muted:#94a3b8;--primary:#3b82f6;--primary-glow:rgba(59, 130, 246, 0.18);--primary-hover:#2563eb;--border-color:rgba(226, 232, 240, 0.8);--card-border-hover:rgba(59, 130, 246, 0.4);--shadow-sm:0 2px 4px rgba(0, 0, 0, 0.03);--shadow-card:0 4px 16px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.02);--shadow-hover:0 12px 24px rgba(59, 130, 246, 0.1), 0 4px 8px rgba(15, 23, 42, 0.04);--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:9999px;--transition:all 0.22s cubic-bezier(0.4, 0, 0.2, 1)}@media(prefers-color-scheme:dark){:root{--bg-gradient:linear-gradient(135deg, #090d16 0%, #0f172a 100%);--bg-body:#090d16;--card-bg:rgba(30, 41, 59, 0.7);--card-hover-bg:rgba(30, 41, 59, 0.95);--text-main:#f1f5f9;--text-sub:#94a3b8;--text-muted:#64748b;--primary:#60a5fa;--primary-glow:rgba(96, 165, 250, 0.25);--primary-hover:#93c5fd;--border-color:rgba(51, 65, 85, 0.6);--card-border-hover:rgba(96, 165, 250, 0.5);--shadow-card:0 4px 20px rgba(0, 0, 0, 0.3);--shadow-hover:0 12px 28px rgba(0, 0, 0, 0.45), 0 0 15px var(--primary-glow)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background:var(--bg-body);background-image:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}.container{width:100%;max-width:1280px;margin:0 auto;padding:3rem 1.5rem 5rem;flex:1}.site-header{text-align:center;margin-bottom:2.2rem}.site-title{font-size:2.5rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,var(--primary) 0%,#8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.6rem}.site-subtitle{color:var(--text-sub);font-size:1.05rem;max-width:600px;margin:0 auto}.search-form{max-width:680px;margin:0 auto 3.5rem}.search-box{display:flex;align-items:center;background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:.4rem .6rem .4rem 1.4rem;transition:var(--transition)}.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow);transform:translateY(-1px)}.search-box input{flex:1;border:none;outline:none;font-size:1.05rem;background:0 0;color:var(--text-main);padding:.6rem 0}.search-box input::placeholder{color:var(--text-muted)}.search-btn{border:none;background:var(--primary);color:#fff;padding:.7rem 1.4rem;font-size:1rem;font-weight:600;border-radius:var(--radius-md);cursor:pointer;display:flex;align-items:center;gap:.4rem;transition:var(--transition)}.search-btn:hover{background:var(--primary-hover);transform:scale(1.02)}.search-engines{display:flex;justify-content:center;gap:.6rem;margin-top:1rem;flex-wrap:wrap}.engine-option{font-size:.85rem;color:var(--text-sub);background:var(--card-bg);border:1px solid var(--border-color);padding:.35rem .9rem;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition);user-select:none}.engine-option:hover{border-color:var(--primary);color:var(--primary)}.engine-option.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 8px var(--primary-glow)}.link-groups{display:grid;gap:3rem}.link-group{scroll-margin-top:2rem}.group-title{font-size:1.3rem;font-weight:700;display:flex;align-items:center;gap:.6rem;margin-bottom:1.2rem;padding-bottom:.5rem;border-bottom:1.5px dashed var(--border-color);color:var(--text-main)}.group-icon{font-size:1.3rem}.group-badge{font-size:.75rem;font-weight:500;background:var(--primary-glow);color:var(--primary);padding:.15rem .55rem;border-radius:var(--radius-full)}.link-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.1rem}.link-card{position:relative;display:flex;align-items:center;gap:.85rem;background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.95rem 1.1rem;text-decoration:none;color:var(--text-main);box-shadow:var(--shadow-card);transition:var(--transition);overflow:hidden}.link-card:hover{background:var(--card-hover-bg);border-color:var(--card-border-hover);transform:translateY(-3px);box-shadow:var(--shadow-hover)}.link-icon-wrap{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--primary-glow);border-radius:var(--radius-sm);font-size:1.25rem;flex-shrink:0;transition:var(--transition)}.link-card:hover .link-icon-wrap{transform:scale(1.1)}.link-info{flex:1;min-width:0}.link-name{font-size:.95rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;color:var(--text-main)}.footer{text-align:center;color:var(--text-sub);font-size:.88rem;padding:2.5rem 1rem;border-top:1px solid var(--border-color);background:var(--card-bg)}.footer a{color:var(--primary);text-decoration:none;transition:var(--transition)}.footer a:hover{text-decoration:underline}.footer-tags{margin-top:.6rem;font-size:.78rem;color:var(--text-muted)}.error-box{text-align:center;margin:6rem auto 2rem}.error-box h1{font-size:5rem;font-weight:800;color:var(--primary);line-height:1}.error-box p{color:var(--text-sub);margin-top:1rem}@media(max-width:768px){.container{padding:2rem 1rem 3.5rem}.site-title{font-size:2rem}.link-list{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.8rem}.link-card{padding:.75rem .9rem}}