:root{--bg:#f4f6f9;--card:#fff;--line:#e2e8f0;--ink:#1e293b;--sub:#64748b;--pri:#1d4ed8;--pri2:#eff4ff}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
.wrap{max-width:720px;margin:0 auto;padding:16px}
.hd{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
.badge{background:var(--pri);color:#fff;font-size:11px;font-weight:700;letter-spacing:.5px;padding:6px 9px;border-radius:8px}
.hd h1{font-size:17px;margin:0}
.sub{margin:2px 0 0;color:var(--sub);font-size:13px}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.ico{flex:0 0 44px;height:44px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;background:#94a3b8}
.ico-pdf{background:#dc2626}.ico-jpg,.ico-jpeg,.ico-png{background:#0891b2}
.meta{flex:1;min-width:0}
.name{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.info{color:var(--sub);font-size:12px;margin-top:2px}
.act{display:flex;gap:6px;flex-shrink:0}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;font-size:13px;font-weight:600;text-decoration:none;background:var(--pri);color:#fff}
.btn.ghost{background:var(--pri2);color:var(--pri)}
.empty{background:var(--card);border:1px dashed var(--line);border-radius:12px;padding:28px;text-align:center;color:var(--sub)}
.ft{margin-top:18px;color:var(--sub);font-size:12px;line-height:1.5;text-align:center}
@media(max-width:480px){.act{flex-direction:column}.hd h1{font-size:15px}}