:root{--primary:#3B82F6;--primary-dark:#2563EB;--primary-light:#DBEAFE;--success:#10B981;--warning:#F59E0B;--danger:#EF4444;--purple:#8B5CF6;--cyan:#06B6D4;--text-primary:#111827;--text-secondary:#6B7280;--text-tertiary:#9CA3AF;--bg-page:#F3F4F6;--bg-card:#FFFFFF;--bg-sidebar:#1E293B;--border:#E5E7EB;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.1);--shadow-lg:0 8px 24px rgba(0,0,0,0.12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg-page);color:var(--text-primary);overflow:hidden;height:100vh}.proto-header{height:56px;background:var(--bg-sidebar);color:#fff;display:flex;align-items:center;padding:0 20px;gap:20px;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}.proto-header-left{display:flex;align-items:center;gap:12px}.proto-logo{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}.proto-logo i{color:var(--primary)}.proto-page-count{font-size:12px;background:rgba(255,255,255,.15);padding:3px 10px;border-radius:12px}.proto-header-center{flex:1;max-width:400px}.proto-search{width:100%;padding:8px 14px;border:none;border-radius:20px;background:rgba(255,255,255,.1);color:#fff;font-size:13px;outline:0}.proto-search::placeholder{color:rgba(255,255,255,.5)}.proto-header-right{display:flex;gap:6px}.proto-device-btn{padding:6px 12px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:0 0;color:rgba(255,255,255,.7);font-size:12px;cursor:pointer;transition:.2s}.proto-device-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.proto-device-btn:hover{color:#fff}.proto-body{display:flex;height:calc(100vh - 56px)}.proto-sidebar{width:260px;background:var(--bg-sidebar);color:rgba(255,255,255,.8);overflow-y:auto;padding:12px 0;flex-shrink:0}.proto-sidebar::-webkit-scrollbar{width:4px}.proto-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:2px}.nav-group{margin-bottom:4px}.nav-group-title{font-size:11px;font-weight:700;color:rgba(255,255,255,.4);padding:12px 20px 6px;text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;gap:6px}.nav-group-title .count{background:rgba(255,255,255,.1);padding:1px 6px;border-radius:8px;font-size:10px}.nav-item{padding:9px 20px 9px 44px;font-size:13px;color:rgba(255,255,255,.7);cursor:pointer;transition:.15s;display:flex;align-items:center;gap:8px;border-left:3px solid transparent}.nav-item:hover{background:rgba(255,255,255,.05);color:#fff}.nav-item.active{background:rgba(59,130,246,.15);color:#fff;border-left-color:var(--primary)}.nav-item i{width:16px;text-align:center;font-size:12px}.proto-preview{flex:1;display:flex;align-items:center;justify-content:center;background:#e5e7eb;overflow:auto;padding:20px}.device-frame{background:#1a1a1a;border-radius:32px;padding:12px;box-shadow:0 16px 48px rgba(0,0,0,.3);transition:.3s;position:relative}.device-frame.mobile{width:390px;height:780px}.device-frame.tablet{width:820px;height:1100px;border-radius:24px}.device-frame.desktop{width:1280px;height:800px;border-radius:12px}.device-screen{width:100%;height:100%;background:#fff;border-radius:20px;overflow-y:auto;position:relative}.device-frame.tablet .device-screen{border-radius:12px}.device-frame.desktop .device-screen{border-radius:8px}.device-screen::-webkit-scrollbar{width:4px}.device-screen::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:2px}.phone-statusbar{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;font-size:14px;font-weight:600;background:#fff;position:sticky;top:0;z-index:50}.phone-statusbar .right{display:flex;gap:6px;align-items:center;font-size:12px}.app-navbar{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:44px;z-index:49}.app-navbar .title{font-size:17px;font-weight:700}.app-navbar .back{font-size:18px;color:var(--text-primary);cursor:pointer}.app-navbar .right-action{font-size:14px;color:var(--primary);cursor:pointer}.app-tabbar{height:60px;display:flex;background:#fff;border-top:1px solid var(--border);position:sticky;bottom:0;z-index:50}.app-tabbar .tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--text-tertiary);cursor:pointer}.app-tabbar .tab.active{color:var(--primary)}.app-tabbar .tab i{font-size:20px}.app-content{padding:12px 16px;min-height:calc(100% - 44px - 48px)}.proto-card{background:#fff;border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm);margin-bottom:12px}.gradient-card{border-radius:var(--radius-lg);padding:20px;color:#fff;margin-bottom:12px;position:relative;overflow:hidden}.gradient-blue{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.gradient-green{background:linear-gradient(135deg,#10b981,#059669)}.gradient-purple{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.gradient-orange{background:linear-gradient(135deg,#f59e0b,#d97706)}.gradient-pink{background:linear-gradient(135deg,#ec4899,#be185d)}.gradient-cyan{background:linear-gradient(135deg,#06b6d4,#0891b2)}.proto-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 24px;border-radius:var(--radius-sm);border:none;font-size:15px;font-weight:600;cursor:pointer;transition:.2s}.proto-btn-primary{background:var(--primary);color:#fff;width:100%}.proto-btn-primary:hover{background:var(--primary-dark)}.proto-btn-outline{background:0 0;border:1.5px solid var(--border);color:var(--text-primary);width:100%}.proto-btn-success{background:var(--success);color:#fff;width:100%}.proto-input{width:100%;padding:14px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:15px;outline:0;transition:border-color .2s;background:#f9fafb}.proto-input:focus{border-color:var(--primary);background:#fff}.proto-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.tag-blue{background:var(--primary-light);color:var(--primary-dark)}.tag-green{background:#d1fae5;color:#065f46}.tag-orange{background:#fef3c7;color:#92400e}.tag-red{background:#fee2e2;color:#991b1b}.tag-purple{background:#ede9fe;color:#5b21b6}.proto-list-item{display:flex;align-items:center;padding:14px 16px;background:#fff;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s}.proto-list-item:hover{background:#f9fafb}.proto-list-item .icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-right:12px;font-size:18px;color:#fff}.proto-list-item .text{flex:1}.proto-list-item .text .title{font-size:14px;font-weight:600}.proto-list-item .text .desc{font-size:12px;color:var(--text-secondary);margin-top:2px}.proto-list-item .arrow{color:var(--text-tertiary);font-size:14px}.proto-progress{height:8px;background:#e5e7eb;border-radius:4px;overflow:hidden}.proto-progress-fill{height:100%;border-radius:4px;transition:width .5s}.proto-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.proto-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.proto-grid-4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:10px}.quick-tile{background:#fff;border-radius:var(--radius-md);padding:16px 8px;text-align:center;cursor:pointer;transition:.2s;box-shadow:var(--shadow-sm)}.quick-tile:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.quick-tile .icon{width:44px;height:44px;border-radius:12px;margin:0 auto 8px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff}.quick-tile .label{font-size:12px;font-weight:600;color:var(--text-primary)}.proto-ring{width:80px;height:80px;position:relative;display:inline-flex;align-items:center;justify-content:center}.proto-ring svg{transform:rotate(-90deg)}.proto-ring .ring-text{position:absolute;font-size:18px;font-weight:700}.chart-placeholder{background:linear-gradient(180deg,#f0f4ff 0,#e0e7ff 100%);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);font-size:12px;min-height:120px}.proto-segment{display:flex;background:#f3f4f6;border-radius:8px;padding:3px;margin-bottom:12px}.proto-segment-item{flex:1;text-align:center;padding:8px;font-size:13px;font-weight:600;color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:.2s}.proto-segment-item.active{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm)}.section-title{font-size:16px;font-weight:700;margin:16px 0 10px;display:flex;align-items:center;justify-content:space-between}.section-title .more{font-size:12px;color:var(--primary);font-weight:400;cursor:pointer}.proto-badge{position:absolute;top:8px;right:8px;background:var(--danger);color:#fff;font-size:10px;padding:2px 8px;border-radius:10px;z-index:60}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{background:#f9fafb;padding:10px 12px;text-align:left;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border)}.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border)}.admin-table tr:hover td{background:#f9fafb}.admin-sidebar{width:200px;background:#1e293b;color:rgba(255,255,255,.7);min-height:100%;padding:12px 0}.admin-sidebar .menu-item{padding:10px 20px;font-size:13px;cursor:pointer;display:flex;align-items:center;gap:8px;border-left:3px solid transparent}.admin-sidebar .menu-item:hover{background:rgba(255,255,255,.05);color:#fff}.admin-sidebar .menu-item.active{background:rgba(59,130,246,.15);color:#fff;border-left-color:var(--primary)}