:root{--primary:#4f46e5;--primary-d:#4338ca;--accent:#7c3aed;--bg:#f8fafc;--card:#fff;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--radius:12px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:800;color:var(--text)}
.logo svg{flex-shrink:0}
.nav{display:flex;gap:24px;align-items:center}
.nav a{color:var(--text);font-weight:500;font-size:15px}
.nav a:hover{color:var(--primary)}
.nav-btn{background:var(--primary);color:#fff!important;padding:8px 18px;border-radius:8px;font-weight:600}
.nav-btn:hover{background:var(--primary-d);text-decoration:none}
/* Hero */
.hero{background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);color:#fff;padding:60px 0;text-align:center}
.hero h1{font-size:42px;font-weight:800;margin-bottom:16px}
.hero p{font-size:18px;opacity:.9;max-width:700px;margin:0 auto 24px}
.hero-badges{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.hero-badge{background:rgba(255,255,255,.2);padding:6px 16px;border-radius:20px;font-size:14px;font-weight:500}
/* Category cards */
.section{padding:48px 0}
.section-title{font-size:28px;font-weight:800;margin-bottom:8px;text-align:center}
.section-sub{text-align:center;color:var(--muted);margin-bottom:32px;font-size:16px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s;text-align:center}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.08);text-decoration:none}
.cat-icon{font-size:48px;margin-bottom:12px}
.cat-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}
.cat-card p{font-size:14px;color:var(--muted)}
.cat-count{display:inline-block;margin-top:12px;background:var(--bg);color:var(--primary);padding:4px 12px;border-radius:12px;font-size:13px;font-weight:600}
/* Template grid */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.tpl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.tpl-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,.1)}
.tpl-preview{background:#fff;border-bottom:1px solid var(--border);height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.tpl-preview svg{max-width:100%;max-height:100%;height:auto}
.tpl-info{padding:16px;flex-grow:1;display:flex;flex-direction:column}
.tpl-info h3{font-size:15px;font-weight:700;margin-bottom:6px;line-height:1.4}
.tpl-info p{font-size:13px;color:var(--muted);flex-grow:1}
.tpl-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.tpl-tag{background:var(--bg);color:var(--muted);padding:2px 8px;border-radius:6px;font-size:11px;font-weight:500}
.tpl-btn{display:block;text-align:center;background:var(--primary);color:#fff;padding:8px;border-radius:8px;font-size:14px;font-weight:600;margin-top:12px}
.tpl-btn:hover{background:var(--primary-d);text-decoration:none}
/* Template detail */
.tpl-detail{display:grid;grid-template-columns:1fr 320px;gap:32px;padding:40px 0}
.tpl-detail-preview{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;justify-content:center;align-items:flex-start;min-height:600px}
.tpl-detail-preview svg{max-width:100%;height:auto;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.tpl-sidebar{position:sticky;top:80px;align-self:start}
.download-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.download-box h3{font-size:18px;font-weight:700;margin-bottom:12px}
.dl-btn{display:block;text-align:center;background:var(--primary);color:#fff;padding:14px;border-radius:10px;font-size:16px;font-weight:700;margin-bottom:12px}
.dl-btn:hover{background:var(--primary-d);text-decoration:none}
.dl-btn-alt{background:var(--bg);color:var(--primary);border:1px solid var(--primary)}
.dl-btn-alt:hover{background:#ede9fe}
.tpl-meta{list-style:none;margin-top:16px}
.tpl-meta li{padding:8px 0;border-bottom:1px solid var(--border);font-size:14px;display:flex;justify-content:space-between}
.tpl-meta li span:first-child{color:var(--muted)}
/* Hub page */
.hub-hero{background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);color:#fff;padding:48px 0}
.hub-hero h1{font-size:36px;font-weight:800;margin-bottom:12px}
.hub-hero p{font-size:16px;opacity:.9;max-width:700px}
/* Breadcrumb */
.breadcrumb{padding:16px 0;font-size:14px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 8px}
/* Footer */
.site-footer{background:#1e293b;color:#94a3b8;padding:48px 0 24px;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.footer-col a{display:block;color:#94a3b8;font-size:14px;margin-bottom:8px}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid #334155;font-size:13px}
/* Filter bar */
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.filter-btn{padding:8px 20px;border-radius:20px;border:1px solid var(--border);background:var(--card);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.filter-btn:hover{border-color:var(--primary);color:var(--primary)}
.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* Content section */
.content-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin:32px 0}
.content-box h2{font-size:24px;font-weight:700;margin-bottom:16px}
.content-box h3{font-size:18px;font-weight:600;margin:20px 0 10px}
.content-box p{margin-bottom:12px;color:var(--text)}
.content-box ul{margin:12px 0 12px 24px}
.content-box li{margin-bottom:6px}
/* Related */
.related{margin:32px 0}
.related h2{font-size:22px;font-weight:700;margin-bottom:20px}
/* Tool page */
.tool-area{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin:24px 0}
.tool-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}
.tool-control label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--muted)}
.tool-control select,.tool-control input{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:14px}
.tool-preview{background:#fff;border:2px solid var(--border);border-radius:8px;padding:20px;text-align:center;min-height:400px}
/* Responsive */
@media(max-width:768px){
  .nav{display:none}
  .hero h1{font-size:28px}
  .tpl-detail{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tool-controls{grid-template-columns:1fr}
}
@media print{
  .site-header,.site-footer,.breadcrumb,.tpl-sidebar,.filter-bar,.nav{display:none!important}
  .tpl-detail-preview{border:none;box-shadow:none}
  body{background:#fff}
}