:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #3b82f6;--color-success: #16a34a;--color-warning: #f59e0b;--color-danger: #dc2626;--color-info: #64748b;--color-bg: #f1f5f9;--color-bg-white: #ffffff;--color-text: #1e293b;--color-text-secondary: #64748b;--color-border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: 4px;--radius: 6px;--radius-md: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-dark)}ul,ol{list-style:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.card{background:var(--color-bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}.card-title{font-size:16px;font-weight:600;color:var(--color-text)}.card-subtitle{font-size:13px;color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;line-height:1.4;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:all .2s ease;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-default{background:#fff;color:var(--color-text);border-color:var(--color-border)}.btn-default:hover:not(:disabled){color:var(--color-primary);border-color:var(--color-primary)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-warning{background:var(--color-warning);color:#fff}.btn-warning:hover:not(:disabled){background:#d97706}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-text{background:transparent;border:none;color:var(--color-primary);padding:4px 8px}.btn-text:hover:not(:disabled){color:var(--color-primary-dark)}.btn-text.danger{color:var(--color-danger)}.btn-text.danger:hover:not(:disabled){color:#b91c1c}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:12px 24px;font-size:16px}.form-item{margin-bottom:18px}.form-label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--color-text)}.form-label.required:before{content:"*";color:var(--color-danger);margin-right:4px}.form-input,.form-select,.form-textarea{width:100%;padding:8px 12px;font-size:14px;color:var(--color-text);background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);transition:border-color .2s,box-shadow .2s;outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.form-input:disabled,.form-select:disabled,.form-textarea:disabled{background:#f1f5f9;cursor:not-allowed}.form-textarea{resize:vertical;min-height:96px;font-family:inherit}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-item-full{grid-column:1 / -1}.form-actions{display:flex;gap:12px;margin-top:20px}.table-wrapper{width:100%;overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{padding:12px 16px;text-align:left;font-weight:600;color:var(--color-text-secondary);background:#f8fafc;border-bottom:1px solid var(--color-border);white-space:nowrap}.table td{padding:12px 16px;color:var(--color-text);border-bottom:1px solid var(--color-border)}.table tbody tr{transition:background .15s}.table tbody tr:nth-child(2n){background:#f8fafc}.table tbody tr:hover{background:#eff6ff}.table .empty-row{text-align:center;color:var(--color-text-secondary);padding:40px 0}.badge{display:inline-flex;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;border-radius:999px;line-height:1.6}.badge-primary{background:#dbeafe;color:#1d4ed8}.badge-success{background:#dcfce7;color:#15803d}.badge-warning{background:#fef3c7;color:#b45309}.badge-danger{background:#fee2e2;color:#b91c1c}.badge-info{background:#e2e8f0;color:#475569}.badge-default{background:#f1f5f9;color:#64748b}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:16px}.pagination .page-btn{min-width:32px;height:32px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);background:#fff;color:var(--color-text);border-radius:var(--radius);cursor:pointer;font-size:13px;transition:all .2s}.pagination .page-btn:hover:not(:disabled){color:var(--color-primary);border-color:var(--color-primary)}.pagination .page-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination .page-btn:disabled{opacity:.5;cursor:not-allowed}.pagination .page-info{font-size:13px;color:var(--color-text-secondary);margin-right:12px}.modal-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a99;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:90%;max-width:560px;max-height:90vh;display:flex;flex-direction:column;animation:slideUp .25s ease}.modal.large{max-width:760px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--color-border)}.modal-title{font-size:16px;font-weight:600;color:var(--color-text)}.modal-close{background:none;border:none;font-size:22px;color:var(--color-text-secondary);cursor:pointer;line-height:1;padding:4px}.modal-close:hover{color:var(--color-text)}.modal-body{padding:20px;overflow-y:auto;flex:1}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:16px 20px;border-top:1px solid var(--color-border)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-1{flex:1}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}.mb-16{margin-bottom:16px}.text-center{text-align:center}.text-right{text-align:right}.text-secondary{color:var(--color-text-secondary)}.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.font-bold{font-weight:600}.text-sm{font-size:12px}.text-lg{font-size:18px}.text-xl{font-size:20px}.text-2xl{font-size:24px}.search-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px}.search-bar .form-input,.search-bar .form-select{width:200px}.stat-card{background:#fff;border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;transition:transform .2s,box-shadow .2s}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.stat-card .stat-label{font-size:13px;color:var(--color-text-secondary)}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--color-text);line-height:1.2}.stat-card .stat-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff}.detail-list{display:grid;grid-template-columns:120px 1fr;gap:12px 16px;font-size:14px}.detail-list .detail-label{color:var(--color-text-secondary);text-align:right}.detail-list .detail-value{color:var(--color-text);word-break:break-all}.filter-tabs{display:inline-flex;gap:4px;background:#f1f5f9;padding:4px;border-radius:var(--radius);margin-bottom:16px}.filter-tab{padding:6px 16px;font-size:13px;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s}.filter-tab:hover{color:var(--color-primary)}.filter-tab.active{background:#fff;color:var(--color-primary);font-weight:600;box-shadow:var(--shadow-sm)}.loading-mask{display:flex;align-items:center;justify-content:center;padding:60px 0;color:var(--color-text-secondary);font-size:14px}.loading-mask:before{content:"";width:18px;height:18px;margin-right:8px;border:2px solid #cbd5e1;border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.policy-card{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:16px;transition:box-shadow .2s,transform .2s}.policy-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.policy-card .policy-title{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:8px}.policy-card .policy-desc{font-size:13px;color:var(--color-text-secondary);line-height:1.6;margin-bottom:12px}.policy-card .policy-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--color-text-secondary)}.project-card{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:16px;transition:box-shadow .2s,transform .2s}.project-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.message-item{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow);padding:16px 20px;margin-bottom:12px;display:flex;align-items:flex-start;gap:12px}.message-item.unread{border-left:3px solid var(--color-primary)}.empty-state{text-align:center;padding:60px 20px;color:var(--color-text-secondary)}.empty-state .empty-icon{font-size:48px;margin-bottom:16px}.empty-state .empty-text{font-size:14px}