:root{--brand: #4f46e5;--brand-light: #eef2ff;--text-dark: #0f172a;--text-muted: #64748b;--bg-page: #f8fafc;--border: #e2e8f0;--header-height: 60px}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 40px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Helvetica Neue,Arial,sans-serif;background-color:var(--bg-page);color:var(--text-dark);line-height:1.6}header.site-header{background:#ffffffe6;backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;height:var(--header-height);display:flex;align-items:center}.header-inner{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}.layout-container{max-width:1200px;margin:0 auto;padding:24px 1.5rem;display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start}.sidebar-wrapper{position:sticky;top:calc(var(--header-height) + 24px);display:flex;flex-direction:column;gap:24px}.sidebar{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000005;display:flex;flex-direction:column;gap:24px}.sidebar h3{font-size:.85rem;color:var(--text-muted);margin-bottom:12px;padding-left:8px}.sidebar ul{list-style:none;display:flex;flex-direction:column;gap:4px}.sidebar li a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;color:var(--text-dark);text-decoration:none;font-size:.9rem;font-weight:500;border-radius:8px;transition:background .2s}.sidebar li a:hover{background:var(--brand-light);color:var(--brand)}.sidebar-count{background:var(--bg-page);color:var(--text-muted);font-size:.75rem;padding:2px 8px;border-radius:12px;font-weight:700;transition:all .2s}.sidebar li a:hover .sidebar-count{background:#fff;color:var(--brand)}.ad-sidebar-wrapper{width:100%;min-height:250px;background:#f1f5f9;border:1px dashed #cbd5e1;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#94a3b8;font-size:.8rem;text-align:center;overflow:hidden}.main-content{min-width:0;display:block}.hero{padding:20px 0 40px}.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--brand-light);color:#4338ca;font-size:.8rem;font-weight:700;padding:6px 14px;border-radius:999px;border:none;letter-spacing:.02em}.hero h1{font-size:2rem;line-height:1.3;font-weight:800;margin-bottom:16px}.hero h1 span{color:var(--brand)}.hero p{color:var(--text-muted);font-size:1rem}.category-section{margin-bottom:60px}.section-label{display:flex;align-items:center;gap:12px;font-size:1.1rem;font-weight:700;margin-bottom:24px}.section-label:after{content:"";height:1px;background:var(--border);flex:1}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.tool-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;text-decoration:none;color:inherit;transition:all .2s;display:flex;flex-direction:column;position:relative;overflow:hidden}.tool-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:0 12px 24px -8px #4f46e526}.tool-icon{width:44px;height:44px;background:var(--brand-light);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:1.4rem}.tool-card h3{font-size:1.1rem;margin-bottom:6px}.tool-card p{font-size:.8rem;color:var(--text-muted);margin-bottom:16px;flex-grow:1}.tool-link{font-size:.75rem;font-weight:700;color:var(--brand)}.site-footer{width:100%;margin-top:80px;border-top:1px solid var(--border);padding:48px 0 64px;background-color:#fff}.footer-inner{max-width:448px;margin:0 auto;text-align:center;padding:0 16px;display:flex;flex-direction:column;gap:24px}.footer-inner p{font-size:11px;color:#94a3b8;line-height:1.8;font-weight:500}.footer-link{font-size:13px;color:#64748b;font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-color:#e2e8f0;transition:color .2s}.footer-link:hover{color:var(--brand)}.footer-copyright{font-size:10px;color:#cbd5e1;font-weight:700;letter-spacing:.1em;text-transform:uppercase}@media(max-width:860px){html{scroll-padding-top:calc(var(--header-height) + 180px)}.layout-container{display:flex;flex-direction:column;gap:0;padding-top:16px}.main-content{display:contents}.hero{order:1;padding-bottom:24px}.sidebar-wrapper{order:2;position:sticky;top:var(--header-height);background:#f8fafcf2;backdrop-filter:blur(8px);z-index:40;margin:0 -1.5rem 24px;padding:12px 1.5rem;border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:16px}.category-section{order:3}.sidebar{padding:0;border:none;box-shadow:none;background:transparent;flex-direction:column;gap:12px}.sidebar h3{display:none}.sidebar ul{flex-direction:row;flex-wrap:wrap;justify-content:center;padding-bottom:0;gap:8px}.sidebar li{flex-shrink:1}.sidebar li a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:.8rem;box-shadow:0 2px 4px #00000005}.sidebar li a:active{border-color:var(--brand);background:var(--brand-light)}.ad-sidebar-wrapper{display:none}}