:root{--bg:#f5f7fb;--surface:#fff;--text:#172033;--muted:#6b7280;--line:#e6eaf1;--primary:#4f46e5;--primary-dark:#4338ca;--accent:#eef2ff;--shadow:0 12px 35px rgba(20,30,60,.06)}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-header{height:auto;min-height:72px;padding:16px clamp(18px,5vw,72px);display:flex;align-items:center;justify-content:space-between;gap:18px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:750;letter-spacing:-.4px}.brand-mark,.panel-logo{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800}.site-header nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.nav-link{padding:8px 13px;border-radius:9px;color:#555e70;font-size:14px}.nav-link:hover{background:var(--accent);color:var(--primary)}.container{width:min(1160px,90%);margin:0 auto}.hero{text-align:center;padding:72px 0 45px}.eyebrow{margin:0 0 10px;color:var(--primary);font-size:11px;font-weight:800;letter-spacing:2.5px}.hero h1,.page-heading h1{margin:0;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-1.5px}.hero>p:last-child{color:var(--muted);margin:17px 0 0}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-bottom:64px}.tool-card{min-width:0;display:flex;flex-direction:column;align-items:flex-start;min-height:185px;padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:17px;box-shadow:0 2px 6px rgba(20,30,60,.015);transition:transform .18s,border-color .18s,box-shadow .18s}.tool-card:hover{transform:translateY(-4px);border-color:#c7c9ff;box-shadow:var(--shadow)}.tool-icon{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--accent);color:var(--primary);font-size:21px;margin-bottom:18px}.tool-title{font-size:16px;font-weight:750;overflow-wrap:anywhere}.tool-description{color:var(--muted);font-size:13px;margin-top:5px;overflow-wrap:anywhere}.tool-url{font-size:11px;color:#9299a8;margin-top:auto;padding-top:17px;max-width:100%;overflow-wrap:anywhere}.empty-state{max-width:520px;margin:0 auto 75px;padding:45px 24px;text-align:center;background:#fff;border:1px dashed #d9deea;border-radius:18px}.empty-icon{font-size:32px;color:var(--primary)}.empty-state h2{margin:8px 0}.empty-state p,.muted{color:var(--muted)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:0;border-radius:10px;background:var(--primary);color:#fff;padding:11px 17px;font-weight:700;cursor:pointer;transition:background .15s,transform .15s}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}.btn.secondary:hover{background:#f8f9ff}.full{width:100%;margin-top:8px}.site-footer{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;padding:22px 16px;color:#9299a8;font-size:12px;border-top:1px solid var(--line)}.narrow{width:min(440px,92%);margin:7vh auto}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}.panel h1{margin:10px 0 4px;font-size:25px;letter-spacing:-.5px}.panel h2{font-size:18px;margin:0 0 20px}.panel-logo{width:44px;height:44px;font-size:20px}.panel form{margin-top:24px}.panel label{display:block;margin-bottom:16px;font-size:13px;font-weight:650}.panel input{display:block;width:100%;margin-top:7px;padding:11px 12px;border:1px solid #dce1eb;border-radius:9px;outline:none;background:#fff;color:var(--text)}.panel input:focus{border-color:#8b86f5;box-shadow:0 0 0 3px #eeeeff}.back-link{display:inline-block;margin-bottom:18px;color:var(--muted);font-size:13px}.small{font-size:12px}.error,.notice,.warning{padding:11px 13px;border-radius:9px;font-size:13px;margin:16px 0}.error{background:#fff1f2;color:#be123c}.notice{background:#ecfdf5;color:#047857}.warning{background:#fff7ed;color:#9a3412}.admin-tag{font-size:11px;background:var(--accent);color:var(--primary);padding:3px 8px;border-radius:6px;letter-spacing:0}.admin-container{padding-top:40px;padding-bottom:65px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.page-heading h1{font-size:32px}.page-heading .muted{margin:8px 0 0}.admin-layout{display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);gap:22px;align-items:start}.form-panel,.list-panel{padding:23px;min-width:0}.form-panel form{margin-top:0}.field-help{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:4px}.cancel-link{display:block;text-align:center;margin-top:13px;font-size:13px;color:var(--muted)}.list-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.list-heading h2{margin:0 0 15px}.count{font-size:12px;color:var(--muted);background:#f2f4f8;border-radius:20px;padding:4px 9px;margin-bottom:15px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{color:var(--muted);font-weight:600;background:#f8f9fc}th,td{padding:13px 11px;border-bottom:1px solid var(--line);vertical-align:top}td strong{font-size:14px}.table-url{max-width:340px;overflow-wrap:anywhere;color:#81899a;font-size:11px;margin-top:3px}.actions{display:flex;gap:10px;align-items:center}.actions form{margin:0}.action-link{border:0;background:none;padding:0;color:var(--primary);cursor:pointer;font-size:12px}.action-link:hover{text-decoration:underline}.danger-link{color:#dc2626}
@media(max-width:950px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-layout{grid-template-columns:1fr}.form-panel{max-width:none}}
@media(max-width:650px){.site-header{padding:13px 5%;align-items:flex-start}.brand{font-size:16px}.site-header nav{justify-content:flex-end;gap:2px}.nav-link{padding:7px 8px;font-size:12px}.hero{padding:52px 0 30px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.tool-card{min-height:170px;padding:17px;border-radius:14px}.tool-icon{margin-bottom:14px}.tool-title{font-size:14px}.tool-description{font-size:12px}.container{width:90%}.page-heading{align-items:flex-start;flex-direction:column}.page-heading h1{font-size:28px}.panel{padding:23px}.form-panel,.list-panel{padding:17px}.admin-container{padding-top:28px}}
@media(max-width:380px){.tool-grid{grid-template-columns:1fr}.tool-card{min-height:145px}.site-header{gap:8px}.brand-mark{width:31px;height:31px}}

.search-form{display:flex;gap:9px;max-width:720px;margin:25px auto 0}.search-form input,.search-form select{min-width:0;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);outline:none}.search-form input{flex:1}.search-form select{max-width:180px}.search-form input:focus,.search-form select:focus{border-color:#8b86f5;box-shadow:0 0 0 3px #eeeeff}.category-chip{display:inline-block;margin-top:7px;background:#f2f4ff;color:#5550c8;border-radius:5px;padding:2px 7px;font-size:10px}.tool-icon img{width:100%;height:100%;object-fit:contain;border-radius:8px}.tool-icon:has(img){overflow:hidden;padding:3px}.sortable-list{display:flex;flex-direction:column;gap:8px}.sortable-item{display:flex;align-items:center;gap:11px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;min-width:0}.sortable-item.dragging{opacity:.45;border:1px dashed var(--primary)}.drag-handle{flex:0 0 20px;color:#8c93a3;cursor:grab;font-size:22px;user-select:none}.sortable-info{flex:1;min-width:0}.sortable-info strong{overflow-wrap:anywhere}.sortable-item .actions{flex-wrap:wrap}.current-icon{display:block;width:42px;height:42px;object-fit:contain;border:1px solid var(--line);border-radius:8px;margin-top:7px}.admin-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}.pagination{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;padding-top:20px;color:var(--muted);font-size:13px}.pagination .btn{font-size:12px;padding:7px 11px}
@media(max-width:650px){.search-form{flex-wrap:wrap}.search-form input{flex-basis:100%}.search-form select{flex:1;max-width:none}.sortable-item{align-items:flex-start;flex-wrap:wrap}.sortable-info{width:calc(100% - 35px)}.sortable-item .actions{margin-left:30px}.admin-form-grid{grid-template-columns:1fr}}