/* app.css — layout */
.promo{background:linear-gradient(90deg,#1E3A8A,#4B7DFF);color:#fff;font-size:13px;font-weight:600;padding:8px 24px;display:flex;align-items:center;gap:12px;}
.promo a{margin-left:auto;background:#fff;color:#1E3A8A;padding:4px 14px;border-radius:999px;font-weight:700;text-decoration:none;}
.hero{background:linear-gradient(135deg,#1E3A8A,#4B7DFF);border-radius:16px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#fff;margin-bottom:16px;box-shadow:var(--shadow);}
.hero h2{font-size:24px;font-weight:800;}
.hero p{font-size:13px;opacity:.85;margin-top:6px;}
.topbar{display:flex;align-items:center;gap:16px;padding:14px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:20;}
.logo{font-weight:800;font-size:18px;color:var(--text);}
.topbar .right{margin-left:auto;display:flex;gap:10px;align-items:center;}
.btn{background:var(--brand);color:#fff;border:0;height:30px;padding:0 12px;border-radius:19px;font-weight:600;cursor:pointer;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;}
.btn-ghost{background:var(--bg-chip);color:var(--text);border:0;height:34px;padding:0 14px;border-radius:8px;font-weight:500;cursor:pointer;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;}
.searchwrap{display:flex;justify-content:center;padding:22px 20px;}
.search{width:700px;max-width:92%;height:44px;border:1px solid var(--line);border-radius:25px;background:var(--bg-soft);padding:0 20px;font-size:14px;outline:none;}
.layout{display:flex;align-items:flex-start;}
.side{flex:0 0 240px;padding:12px 8px;background:var(--ink);border-right:1px solid var(--line);}
.side a{display:flex;align-items:center;gap:10px;height:32px;padding:0 12px;font-size:16px;font-weight:400;color:var(--text-2);text-decoration:none;border-radius:6px;}
.side a svg{flex:0 0 16px;width:16px;height:16px;}
.side a.on{background:var(--bg-selected);color:var(--text);}
.main{flex:1;padding:8px 24px 48px;}
.filter{display:flex;gap:10px;padding:12px 0;flex-wrap:wrap;}
.filter .chip{height:32px;padding:0 12px;border-radius:8px;background:var(--bg-chip);font-size:13px;font-weight:500;color:var(--text);border:0;cursor:pointer;}
.filter .chip.on{background:var(--bg-selected);}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;}
.card{background:var(--bg);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);}
.card .thumb{height:150px;background:linear-gradient(135deg,#4B7DFF,#6D9BFF);}
.card .body{padding:12px 14px;}
.card .title{font-size:14px;font-weight:600;}
.card .meta{font-size:12px;color:var(--text-3);margin-top:4px;}