:root{--p:#2563eb;--pd:#1d4ed8;--bg:#f8fafc;--c:#fff;--t:#1e293b;--m:#64748b;--b:#e2e8f0;--r:10px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,sans-serif;background:var(--bg);color:var(--t);line-height:1.6}
a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hdr{background:var(--c);border-bottom:1px solid var(--b);position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:6px;font-size:18px;font-weight:800;color:var(--t)}
.nav{display:flex;gap:14px;flex-wrap:wrap}.nav a{color:var(--t);font-weight:500;font-size:12px}.nav a:hover{color:var(--p)}
.hero{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;text-align:center;padding:50px 20px}
.hero h1{font-size:34px;margin-bottom:8px}.hero p{opacity:.9;max-width:600px;margin:0 auto 14px;font-size:15px}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.badge{background:rgba(255,255,255,.2);padding:4px 14px;border-radius:16px;font-size:11px}
.sec{padding:36px 20px;max-width:1200px;margin:0 auto}
.sec-alt{background:#fff}
.sec h2{text-align:center;font-size:22px;margin-bottom:4px}
.sec .sub{text-align:center;color:var(--m);font-size:13px;margin-bottom:18px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.cat-card{background:var(--c);border:1px solid var(--b);border-radius:var(--r);padding:20px;text-align:center;display:block;transition:transform .2s}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.08);text-decoration:none}
.cat-icon{font-size:30px;margin-bottom:6px}.cat-card h3{font-size:14px;margin-bottom:3px;color:var(--t)}
.cat-card p{font-size:11px;color:var(--m)}.cnt{display:inline-block;margin-top:6px;background:var(--bg);color:var(--p);padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--c);border:1px solid var(--b);border-radius:var(--r);overflow:hidden;transition:transform .2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.1);text-decoration:none}
.card-preview{height:150px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--b)}
.card-preview svg{max-width:100%;max-height:100%}
.card-info{padding:10px;flex-grow:1;display:flex;flex-direction:column}
.card-info h3{font-size:13px;margin-bottom:3px}.card-info p{font-size:11px;color:var(--m);flex-grow:1}
.card-btn{display:block;text-align:center;background:var(--p);color:#fff;padding:5px;border-radius:5px;font-size:11px;font-weight:600;margin-top:6px}
.card-btn:hover{background:var(--pd)}
.filter{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.filter button{padding:5px 12px;border-radius:14px;border:1px solid var(--b);background:var(--c);cursor:pointer;font-size:11px;transition:all .2s}
.filter button.active,.filter button:hover{background:var(--p);color:#fff;border-color:var(--p)}
.hub-hero{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:48px 20px;text-align:center}
.hub-hero h1{font-size:30px;font-weight:800;margin-bottom:8px}.hub-hero p{font-size:15px;opacity:.9;margin:0 auto 14px}.hub-inner{max-width:700px;margin:0 auto}.hub-icon{font-size:48px;margin-bottom:10px;display:block}.hub-count{display:inline-block;background:rgba(255,255,255,.2);padding:5px 16px;border-radius:16px;font-size:13px;font-weight:500}
.bc-wrap{background:var(--c);border-bottom:1px solid var(--b);padding:0 20px;box-shadow:0 2px 4px rgba(0,0,0,.03)}
.bc{max-width:1200px;margin:0 auto;padding:14px 0;font-size:13px;display:flex;align-items:center;gap:4px;color:var(--m);flex-wrap:wrap}
.bc a{color:var(--m);font-weight:500;padding:3px 8px;border-radius:4px;transition:all .15s;text-decoration:none}
.bc a:hover{background:#eff6ff;color:var(--p);text-decoration:none}
.bc .sep{color:#cbd5e1;font-size:11px;margin:0 2px;user-select:none}
.bc .cur{color:var(--t);font-weight:600;padding:3px 0}
.page{max-width:720px;margin:0 auto;padding:24px 20px}
.page h1{font-size:26px;text-align:center;margin-bottom:6px}
.page .lead{text-align:center;color:var(--m);font-size:13px;margin-bottom:16px}
.illus{background:#fff;border:1px solid var(--b);border-radius:var(--r);padding:24px;display:flex;justify-content:center;margin-bottom:20px}
.illus svg{max-width:100%}
.sec-block{margin-bottom:20px}.sec-block h2{font-size:18px;margin-bottom:8px}
.sec-block h3{font-size:14px;margin:12px 0 5px}.sec-block p{font-size:13px;line-height:1.7;margin-bottom:6px}
.sec-block ul{margin:6px 0 6px 16px}.sec-block li{font-size:13px;margin-bottom:4px}
.step{border:1px solid var(--b);border-radius:8px;padding:12px;margin-bottom:8px;background:var(--c)}
.step h3{font-size:13px;color:var(--p);margin-bottom:2px}.step p{font-size:12px;margin:0}
.step-num{display:inline-block;background:var(--p);color:#fff;width:20px;height:20px;border-radius:50%;text-align:center;font-size:10px;line-height:20px;margin-right:5px;font-weight:700}
.faq details{border:1px solid var(--b);border-radius:8px;padding:10px;margin-bottom:5px;background:var(--c)}
.faq summary{font-weight:600;cursor:pointer;font-size:12px}.faq p{margin-top:5px;font-size:11px;color:var(--m)}
.ftr{background:#1e293b;color:#94a3b8;padding:30px 20px;font-size:11px;margin-top:40px}
.ftr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;max-width:1200px;margin:0 auto 16px}
.ftr-col h4{color:#fff;font-size:12px;margin-bottom:6px}.ftr-col a{display:block;color:#94a3b8;font-size:10px;margin-bottom:3px}.ftr-col a:hover{color:#fff}
.ftr-bottom{text-align:center;padding-top:14px;border-top:1px solid #334155;max-width:1200px;margin:0 auto;color:#64748b}table{width:100%;border-collapse:collapse;font-size:13px}table th{background:var(--p);color:#fff;padding:8px 10px;text-align:left;font-weight:600;font-size:12px}table td{padding:8px 10px;border-bottom:1px solid var(--b);font-size:12px}table tr:nth-child(even){background:var(--bg)}table tr:hover{background:#eff6ff}
@media(max-width:768px){.nav{display:none}.hero h1{font-size:24px}}