:root{--bg: #f5f6f8;--card: #ffffff;--border: #e5e7eb;--text: #1f2933;--muted: #6b7280;--primary: #2563eb;--primary-d: #1d4ed8;--danger: #dc2626;--warn: #d97706;--sidebar-w: 200px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}button{font:inherit;border:1px solid var(--border);background:var(--card);border-radius:8px;padding:6px 12px;cursor:pointer}button:hover{border-color:#c7ccd4}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.primary:hover{background:var(--primary-d)}button.danger{color:var(--danger)}button.sm{padding:3px 8px;font-size:13px}input,select,textarea{font:inherit;padding:7px 10px;border:1px solid var(--border);border-radius:8px}input,textarea{width:100%}.app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}.brand{font-weight:600;font-size:18px;padding:6px 8px 16px;display:flex;align-items:center;gap:8px}.brand-logo{height:26px;max-width:130px;object-fit:contain}.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}.login-brand .brand-logo{height:34px}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{padding:9px 12px;border-radius:8px;color:var(--text)}.sidebar nav a:hover{background:#f0f2f5}.sidebar nav a.active{background:#e8effc;color:var(--primary);font-weight:500}.sidebar-foot{border-top:1px solid var(--border);padding-top:12px;display:flex;flex-direction:column;gap:8px}.warn{color:var(--warn);font-size:13px;padding:0 4px}.main{flex:1;padding:24px;max-width:1100px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.toolbar .spacer{flex:1}.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.seg button{border:none;border-radius:0}.seg button.on{background:#e8effc;color:var(--primary)}.filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;align-items:center}.chip{padding:4px 12px;border:1px solid var(--border);border-radius:999px;background:var(--card);cursor:pointer;font-size:13px}.chip.on{background:var(--primary);color:#fff;border-color:var(--primary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:12px}.tile{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 10px;text-align:center;cursor:pointer;position:relative}.tile:hover{border-color:#c7ccd4}.tile.sel{border-color:var(--primary);background:#f3f7ff}.tile .fi{font-size:34px;line-height:1}.tile .nm{font-size:13px;margin-top:8px;word-break:break-all}.tile .sz{font-size:12px;color:var(--muted);margin-top:2px}.tile .ck{position:absolute;top:8px;left:8px}.tile .ops{margin-top:8px;display:flex;gap:6px;justify-content:center;flex-wrap:wrap}.prog{height:8px;background:var(--border);border-radius:999px;overflow:hidden}.prog-bar{height:100%;background:var(--primary);transition:width .2s}.ok-tip{color:#15803d;font-size:14px;margin:0 0 6px}table.files{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}table.files th,table.files td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}table.files th{color:var(--muted);font-weight:500;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}table.files tr:last-child td{border-bottom:none}table.files th.sorted{color:var(--primary);font-weight:600}table.files th .arrow{display:inline-block;min-width:12px;color:var(--primary);font-size:10px}table.files th:not(.sorted) .arrow:empty{display:none}table.files tbody tr:hover td{background:#3b82f60a}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger);font-size:13px}.row{display:flex;gap:8px;align-items:center}.spacer{flex:1}.breadcrumb{font-size:14px;margin-bottom:12px}.empty{padding:40px;text-align:center;color:var(--muted)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.modal{background:var(--card);border-radius:14px;padding:20px;width:100%;max-width:440px;max-height:90vh;overflow:auto}.modal h3{margin:0 0 14px}.modal-foot{margin-top:16px;text-align:right}.share-link{display:flex;gap:8px;margin-bottom:10px}.share-meta{margin-bottom:14px;font-size:14px}.share-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}.share-form input{margin-top:4px}.preview img{max-width:100%;border-radius:8px}.preview-text{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:8px;max-height:55vh;overflow:auto;font-size:13px;white-space:pre-wrap;word-break:break-all}.plans{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.plan{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}.plan h4{margin:0 0 6px}.plan .price{font-size:24px;font-weight:600;color:var(--primary)}.plan ul{padding-left:18px;color:var(--muted);font-size:13px}.guest{max-width:560px;margin:48px auto;padding:0 16px}.guest .card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px}.stat-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:20px}.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.stat .v{font-size:22px;font-weight:600}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}.tabs button{border:none;background:none;padding:8px 14px;border-bottom:2px solid transparent;color:var(--muted)}.tabs button.on{color:var(--primary);border-bottom-color:var(--primary)}.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:#eef2f7;color:var(--muted)}.badge.ok{background:#e7f6ec;color:#15803d}.badge.off{background:#fdecec;color:var(--danger)}.badge.pay{background:#fff4e0;color:var(--warn)}.chart{display:flex;gap:8px;align-items:flex-end;height:140px;padding:8px 4px;border-bottom:1px solid var(--border)}.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%}.chart-bars{flex:1;display:flex;gap:3px;align-items:flex-end;width:100%;justify-content:center}.chart-bars .bar{width:12px;min-height:2px;border-radius:3px 3px 0 0}.chart-bars .bar.view{background:#93b4f5}.chart-bars .bar.dl{background:var(--primary)}.chart-label{font-size:11px;color:var(--muted);white-space:nowrap}.legend{display:inline-block;width:10px;height:10px;border-radius:2px;margin-left:10px;vertical-align:middle}.legend.view{background:#93b4f5}.legend.dl{background:var(--primary)}.gallery{display:flex;align-items:center;justify-content:center;gap:8px;position:relative}.gallery-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:28px;line-height:1;padding:4px 14px;border:none;background:#00000059;color:#fff;border-radius:8px;z-index:2}.gallery-nav:hover{background:#0000008c}.gallery-nav.left{left:8px}.gallery-nav.right{right:8px}.audio-box{padding:24px 16px;text-align:center}.audio-icon{font-size:56px;margin-bottom:12px}