/* 云展厅原型 - 共享样式 */
:root{--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#f59e0b;--bg:#f8fafc;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--success:#10b981;--danger:#ef4444}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}

/* iPhone 14 外壳 */
.phone{width:390px;height:844px;background:#000;border-radius:50px;padding:12px;box-shadow:0 25px 50px -12px rgba(0,0,0,.25);position:relative;flex-shrink:0}
.phone-screen{width:100%;height:100%;border-radius:40px;overflow:hidden;background:#fff;position:relative}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:126px;height:34px;background:#000;border-radius:0 0 20px 20px;z-index:50}
.phone-status{height:54px;padding:14px 28px 0;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;position:relative;z-index:40}
.phone-home{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);width:134px;height:5px;background:#000;border-radius:3px;z-index:50}
.phone-content{height:calc(100% - 54px);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.phone-content.no-status{height:100%}

/* 桌面后台外壳 */
.desktop{width:1200px;height:750px;background:#fff;border-radius:12px;box-shadow:0 20px 40px rgba(0,0,0,.12);overflow:hidden;flex-shrink:0;border:1px solid var(--border)}

/* index 布局 */
.proto-grid{display:flex;flex-wrap:wrap;gap:40px;padding:40px;justify-content:center}
.proto-section{width:100%;margin-bottom:20px}
.proto-section h2{font-size:22px;font-weight:700;color:var(--text);margin:0 0 8px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.proto-section p{color:var(--muted);margin:0 0 24px;font-size:14px}
.proto-row{display:flex;flex-wrap:wrap;gap:32px;justify-content:flex-start}
.proto-item{display:flex;flex-direction:column;align-items:center;gap:12px}
.proto-label{font-size:13px;font-weight:600;color:var(--muted);text-align:center}

/* 后台通用 */
.sidebar{width:220px;background:linear-gradient(180deg,#1e293b 0%,#0f172a 100%);color:#fff;flex-shrink:0}
.sidebar-logo{padding:20px;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo i{color:var(--accent);margin-right:8px}
.nav-item{display:flex;align-items:center;gap:10px;padding:12px 20px;color:#94a3b8;font-size:14px;cursor:pointer;transition:.2s}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{border-left:3px solid var(--accent)}
.nav-item i{width:18px;text-align:center}
.admin-layout{display:flex;height:100%}
.admin-main{flex:1;display:flex;flex-direction:column;overflow:hidden}
.admin-header{height:56px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff}
.admin-body{flex:1;overflow-y:auto;padding:24px;background:var(--bg)}

/* H5 通用 */
.h5-page{min-height:100%;background:var(--bg)}
.h5-header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:16px}
.h5-nav{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--border);display:flex;padding:8px 0 20px;z-index:30}
.h5-nav-item{flex:1;text-align:center;font-size:10px;color:var(--muted);padding:4px 0}
.h5-nav-item.active{color:var(--primary)}
.h5-nav-item i{display:block;font-size:20px;margin-bottom:2px}

/* 卡片/组件 */
.card{background:#fff;border-radius:12px;border:1px solid var(--border);overflow:hidden}
.stat-card{padding:20px;border-radius:12px;background:#fff;border:1px solid var(--border)}
.btn-primary{background:var(--primary);color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;border:none;cursor:pointer}
.btn-outline{border:1px solid var(--border);background:#fff;color:var(--text);padding:8px 16px;border-radius:8px;font-size:14px;cursor:pointer}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:500}
.tag-green{background:#d1fae5;color:#065f46}
.tag-gray{background:#f1f5f9;color:#475569}
.tag-blue{background:#dbeafe;color:#1e40af}
.input-field{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;outline:none}
.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;padding:12px;background:#f8fafc;color:var(--muted);font-weight:600;border-bottom:1px solid var(--border)}
.table td{padding:12px;border-bottom:1px solid var(--border)}

/* VR 热点 */
.hotspot{position:absolute;width:36px;height:36px;background:rgba(245,158,11,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;animation:pulse 2s infinite;cursor:pointer;box-shadow:0 0 20px rgba(245,158,11,.5)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}

/* 画册翻页 */
.page-flip{background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.15);border-radius:4px}