:root{--shell-h:100dvh;--sidebar-w:200px;--detail-w:380px;--primary:#2563eb;--primary-hover:#1d4ed8;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--surface:#fff;--page-bg:#f1f5f9;--ok:#047857;--ok-soft:#d1fae5;--warn:#b45309;--warn-soft:#fef3c7;--danger:#be123c;--radius:12px;--radius-sm:8px;--shadow:0 1px 2px #0f172a0a, 0 4px 12px #0f172a0a;font-family:DM Sans,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-height:100vh;color:var(--text);background:var(--page-bg);margin:0}.auth-container{background:var(--page-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.auth-card{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);width:100%;max-width:420px;box-shadow:var(--shadow);padding:2rem 2.2rem}.login-brand{align-items:center;gap:12px;margin-bottom:1.4rem;display:flex}.login-brand img{border-radius:10px}.login-brand h1{color:var(--primary);margin:0;font-size:1.5rem;font-weight:800}.login-brand p{color:var(--muted);margin:4px 0 0;font-size:.88rem}.login-tip{color:var(--muted);margin:0 0 14px;font-size:.86rem;line-height:1.55}.login-actions{justify-content:center;margin-top:8px;display:flex}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;margin:12px auto 0;padding:0;font-weight:600;display:block}.link-btn:hover{text-decoration:underline}.admin-shell{height:var(--shell-h);background:var(--page-bg);display:flex;overflow:hidden}.admin-sidebar{flex:0 0 var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);flex-direction:column;min-height:0;padding:20px 14px;display:flex}.admin-brand{border-bottom:1px solid var(--border);align-items:center;gap:10px;margin-bottom:14px;padding:4px 10px 18px;display:flex}.admin-brand img{border-radius:6px}.admin-brand strong{letter-spacing:.02em;font-size:1.05rem;font-weight:800}.side-nav{flex-direction:column;flex:1;gap:4px;min-height:0;display:flex}.nav-item{text-align:left;border-radius:var(--radius-sm);color:var(--muted);cursor:pointer;background:0 0;border:none;padding:11px 14px;font-size:.95rem;font-weight:600;transition:background .15s,color .15s}.nav-item:hover{color:var(--text);background:#f8fafc}.nav-item.active{color:var(--primary);box-shadow:inset 3px 0 0 var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#eff6ff}.admin-sidebar-footer{border-top:1px solid var(--border);flex-shrink:0;padding-top:12px}.logout-btn{border-radius:var(--radius-sm);border:1px solid var(--border);width:100%;color:var(--muted);cursor:pointer;background:#fff;padding:10px 14px;font-weight:600}.logout-btn:hover{color:#b91c1c;background:#fef2f2;border-color:#fecaca}.idle-hint{color:var(--muted);text-align:center;margin:0 0 8px;font-size:.75rem}.admin-body{flex:1;min-width:0;min-height:0;display:flex;overflow:hidden}.admin-main{flex-direction:column;flex:1;gap:16px;min-width:0;min-height:0;padding:20px 24px 28px;display:flex;overflow:auto}.stat-row{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);gap:4px;padding:14px 16px;display:grid}.stat-card strong{font-size:1.4rem;font-weight:800}.stat-card.ok{background:var(--ok-soft);border-color:#a7f3d0}.stat-card.warn{background:var(--warn-soft);border-color:#fde68a}.stat-label{color:var(--muted);font-size:.8rem;font-weight:600}.stat-sub{color:var(--muted);font-size:.75rem;font-style:normal;font-weight:500}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.search-input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);flex:1;min-width:200px;padding:11px 14px;font-size:.95rem;margin-bottom:0!important}.banner{margin:0;font-size:.9rem}.product-grid-wrap{flex-direction:column;flex:1;gap:16px;min-height:0;display:flex}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:14px;display:grid}.product-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);transition:border-color .15s,box-shadow .15s;overflow:hidden}.product-card:hover{border-color:#cbd5e1;box-shadow:0 4px 16px #0f172a14}.product-card.active{border-color:var(--primary);box-shadow:0 0 0 2px #2563eb26}.product-card-main{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:0;gap:6px;padding:14px 16px 8px;display:grid}.product-card-main:hover{background:#f8fafc}.product-title{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.product-title strong{font-size:.98rem;font-weight:700;line-height:1.35}.product-meta,.product-time{color:var(--muted);font-size:.82rem;font-weight:500}.product-time{justify-content:space-between;align-items:center;gap:8px;display:flex}.dl-count,.download-count{color:var(--primary);white-space:nowrap;font-weight:700}.product-meta{justify-content:space-between;gap:8px;display:flex}.status-pill{border-radius:999px;flex-shrink:0;padding:3px 8px;font-size:.72rem;font-weight:700}.status-pill.ok{background:var(--ok-soft);color:var(--ok)}.status-pill.miss{background:var(--warn-soft);color:var(--warn)}.product-ops{flex-wrap:wrap;gap:8px;padding:0 14px 14px;display:flex}.op-btn{min-width:64px;color:var(--primary);background:#eff6ff;border:1px solid #bfdbfe;flex:1;padding:8px 10px;font-size:.82rem}.op-btn.danger{color:var(--danger);background:#fff;border-color:#fecdd3}.hidden-file{display:none}.pagination{justify-content:center;align-items:center;gap:16px;padding:8px 0 4px;display:flex}.page-info{color:var(--muted);font-size:.88rem;font-weight:600}.detail-panel{flex:0 0 var(--detail-w);width:var(--detail-w);background:var(--surface);border-left:1px solid var(--border);flex-direction:column;gap:18px;min-height:0;padding:18px 18px 28px;animation:.2s ease-out slideIn;display:flex;overflow:hidden}@keyframes slideIn{0%{opacity:.6;transform:translate(12px)}to{opacity:1;transform:translate(0)}}.detail-head,.detail-upload,.detail-assets{flex-shrink:0}.detail-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:10px;padding-bottom:12px;display:flex}.detail-head-actions{flex-shrink:0;gap:8px;display:flex}.detail-head h2{margin:0;font-size:1.1rem;font-weight:800}.detail-head .muted{margin:4px 0 0;font-size:.85rem}.close-btn{flex-shrink:0;padding:6px 12px;font-size:.85rem}.detail-upload h3,.detail-assets h3,.detail-downloads h3{margin:0 0 8px;font-size:.95rem;font-weight:700}.form-tip{color:var(--muted);margin:0 0 12px;font-size:.82rem;line-height:1.45}.side-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}.detail-assets,.detail-downloads{flex-direction:column;gap:0;min-height:0;display:flex}.detail-downloads{flex:1;min-height:160px;max-height:42vh;margin-top:4px}.detail-downloads .download-list{overscroll-behavior:contain;flex:1;min-height:0;padding-right:4px;overflow-y:auto}.stat-row.compact{grid-template-columns:repeat(2,minmax(0,1fr));max-width:480px}.global-dl-wrap{flex-direction:column;flex:1;gap:12px;min-height:0;display:flex}.download-list.global{max-height:calc(100dvh - 280px);padding-right:4px;overflow-y:auto}.download-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.download-list li{border-radius:var(--radius-sm);border:1px solid var(--border);background:#f8fafc;gap:4px;padding:10px 12px;display:grid}.download-main{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.download-main strong{font-size:.9rem}.download-meta{color:var(--muted);flex-wrap:wrap;gap:8px 14px;font-size:.78rem;display:flex}.download-file{color:var(--text);overflow-wrap:anywhere;font-size:.8rem}.detail-dl-pagination{border-top:1px solid var(--border);flex-shrink:0;margin-top:8px;padding-top:8px}.list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.list li{border-radius:var(--radius-sm);border:1px solid var(--border);background:#f8fafc;flex-direction:column;gap:10px;padding:12px;display:flex}.asset-info{gap:4px;min-width:0;display:grid}.asset-info strong{overflow-wrap:anywhere;font-size:.9rem}.asset-ops{gap:8px;display:flex}label{color:var(--muted);margin-bottom:6px;font-size:.8rem;font-weight:600;display:block}input[type=text],input[type=password],input:not([type]),input[type=file]{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;width:100%;margin-bottom:12px;padding:10px 12px;font-size:.92rem}input[type=file]{padding:8px}button{border-radius:var(--radius-sm);background:var(--primary);color:#fff;cursor:pointer;border:none;padding:10px 14px;font-size:.9rem;font-weight:700;transition:background .15s}button:hover{background:var(--primary-hover)}button:disabled{opacity:.55;cursor:not-allowed}button.ghost{color:var(--muted);border:1px solid var(--border);background:#fff}button.ghost:hover{color:var(--text);background:#f8fafc}button.ghost.danger,button.danger{color:var(--danger);border-color:#fecdd3}.submit-btn{min-width:160px}.error{color:var(--danger)}.hint{color:var(--ok)}.muted{color:var(--muted)}.error-center,.hint.error-center{text-align:center;margin-top:12px}.empty-tip{text-align:center;margin:32px 0}@media (width<=1100px){.stat-row{grid-template-columns:1fr 1fr}.detail-panel{flex-basis:320px;width:320px}}@media (width<=900px){.admin-shell{flex-direction:column;height:auto;min-height:100vh;overflow:visible}.admin-sidebar{border-right:none;border-bottom:1px solid var(--border);flex-flow:wrap;flex:none;align-items:center;gap:8px;width:100%}.admin-brand{border-bottom:none;margin-bottom:0;padding-bottom:4px}.side-nav{flex-direction:row;flex:1}.admin-sidebar-footer{border-top:none;align-items:center;gap:12px;width:100%;display:flex}.logout-btn{width:auto}.admin-body{flex-direction:column}.detail-panel{border-left:none;border-top:1px solid var(--border);flex:none;width:100%}.product-grid{grid-template-columns:1fr}}