:root{--primary: #4F46E5;--primary-dark: #4338CA;--primary-light: #818CF8;--accent: #06B6D4;--accent-light: #22D3EE;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--bg: #F8FAFC;--bg-card: #FFFFFF;--bg-hover: #F1F5F9;--border: #E2E8F0;--border-light: #EEF2F7;--text-primary: #0F172A;--text-secondary: #475569;--text-tertiary: #94A3B8;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 12px rgba(15, 23, 42, .06);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .08);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--nav-height: 64px}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft 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24px;background:linear-gradient(135deg,#eef2ff,#cffafe)}.auth-card{background:#fff;border-radius:20px;padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:8px;font-size:28px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-subtitle{text-align:center;color:var(--text-tertiary);font-size:14px;margin-bottom:32px}.auth-form .form-group{margin-bottom:16px}.code-input-group{display:flex;gap:10px}.code-input-group .form-input{flex:1}.code-btn{flex-shrink:0;height:42px;padding:0 16px;background:var(--bg-hover);color:var(--primary);border-radius:var(--radius-md);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid var(--border)}.code-btn:hover{background:#eef2ff}.code-btn:disabled{color:var(--text-tertiary);cursor:not-allowed}.agreement-row{display:flex;align-items:flex-start;gap:8px;margin-bottom:20px;font-size:13px;color:var(--text-secondary)}.agreement-row input{margin-top:3px}.agreement-row a{color:var(--primary)}.auth-submit-btn{width:100%;height:44px;background:linear-gradient(135deg,var(--primary),#6366F1);color:#fff;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s}.auth-submit-btn:hover{box-shadow:0 4px 12px #4f46e54d}.auth-switch{text-align:center;margin-top:20px;font-size:13px;color:var(--text-secondary)}.auth-switch a{color:var(--primary);font-weight:500}.user-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:32px 0}.user-sidebar{background:#fff;border-radius:var(--radius-lg);padding:20px 12px;border:1px solid var(--border-light);height:fit-content;position:sticky;top:calc(var(--nav-height) + 20px)}.user-profile-card{text-align:center;padding:16px 12px;margin-bottom:16px;border-bottom:1px solid var(--border-light)}.user-profile-avatar{width:64px;height:64px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:22px;background:linear-gradient(135deg,var(--primary),var(--accent))}.user-profile-name{font-weight:600;font-size:15px}.user-menu{display:flex;flex-direction:column;gap:2px}.user-menu-item{padding:10px 14px;border-radius:8px;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:10px}.user-menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.user-menu-item.active{background:#eef2ff;color:var(--primary);font-weight:500}.user-main{background:#fff;border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border-light);min-height:500px}.user-section-title{font-size:18px;font-weight:600;margin-bottom:24px}.profile-form{max-width:480px}.profile-avatar-row{display:flex;align-items:center;gap:20px;margin-bottom:28px}.profile-avatar{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:28px;background:linear-gradient(135deg,var(--primary),var(--accent))}.user-list{display:flex;flex-direction:column}.user-list-item{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border-light)}.user-list-item:last-child{border-bottom:none}.user-list-left{display:flex;align-items:center;gap:14px}.user-list-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}.user-list-title{font-weight:500;font-size:14px;margin-bottom:2px}.user-list-sub{font-size:12px;color:var(--text-tertiary)}.user-list-actions{display:flex;gap:8px}.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - var(--nav-height))}.admin-sidebar{background:#1e293b;color:#94a3b8;padding:20px 0}.admin-sidebar-title{padding:0 24px 20px;font-size:13px;color:#64748b;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid #334155;margin-bottom:12px}.admin-menu{display:flex;flex-direction:column;padding:8px 12px}.admin-menu-item{padding:10px 16px;border-radius:8px;font-size:14px;cursor:pointer;transition:all 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var(--border-light)}.stat-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center}.stat-value{font-size:28px;font-weight:700;margin-bottom:4px}.stat-label{font-size:13px;color:var(--text-tertiary)}.stat-trend{font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:2px}.stat-trend.up{color:var(--success)}.stat-trend.down{color:var(--danger)}.admin-chart-card{background:#fff;border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border-light);margin-bottom:28px}.admin-chart-title{font-size:16px;font-weight:600;margin-bottom:16px}.admin-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.admin-search{position:relative;width:260px}.admin-search input{width:100%;height:38px;padding:0 12px 0 36px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff}.admin-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-tertiary)}.data-table{width:100%;background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-light);overflow:hidden}.data-table table{width:100%;border-collapse:collapse}.data-table th{background:var(--bg);padding:12px 16px;text-align:left;font-size:13px;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-light)}.data-table td{padding:14px 16px;font-size:13px;border-bottom:1px solid var(--border-light)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--bg-hover)}.table-actions{display:flex;gap:8px}.table-action-btn{padding:4px 10px;font-size:12px;border-radius:6px;cursor:pointer;transition:all .15s;border:1px solid var(--border);background:#fff;color:var(--text-secondary)}.table-action-btn:hover{color:var(--primary);border-color:var(--primary-light)}.table-action-btn.danger:hover{color:var(--danger);border-color:#fca5a5}.table-action-btn.success:hover{color:var(--success);border-color:#6ee7b7}.login-required{background:#fff;border-radius:var(--radius-lg);padding:48px 32px;border:1px solid var(--border-light);text-align:center}.login-required-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:#eef2ff;display:flex;align-items:center;justify-content:center;color:var(--primary)}.login-required-title{font-size:18px;font-weight:600;margin-bottom:8px}.login-required-desc{color:var(--text-secondary);margin-bottom:20px;font-size:14px}.toast-container{position:fixed;top:80px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 20px;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:14px;display:flex;align-items:center;gap:8px;animation:toastIn .3s ease;border-left:3px solid var(--primary)}.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--danger)}.toast.warning{border-left-color:var(--warning)}@keyframes toastIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.dropdown{position:relative}.dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--border-light);min-width:160px;overflow:hidden;z-index:101}.dropdown-item{padding:10px 16px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:8px}.dropdown-item:hover{background:var(--bg-hover);color:var(--text-primary)}.dropdown-item.danger:hover{color:var(--danger);background:#fef2f2}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-card{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:480px;padding:28px;box-shadow:var(--shadow-lg)}.modal-title{font-size:18px;font-weight:600;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}@media (max-width: 768px){.navbar-inner{padding:0 16px;gap:12px}.nav-links,.nav-search{display:none}.container{padding:0 16px}.banner{height:240px;padding:0 24px}.banner-slide{padding:0 24px}.banner-title{font-size:22px}.app-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.daily-news-row{grid-template-columns:auto 1fr;align-items:flex-start;padding:8px 0}.daily-news-summary,.daily-news-source{grid-column:2}.apps-layout{grid-template-columns:1fr}.filter-sidebar{position:static}.app-detail-header{flex-direction:column;padding:20px}.app-detail-body{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr;gap:24px}.user-layout{grid-template-columns:1fr}.user-sidebar{position:static}.stat-cards{grid-template-columns:repeat(2,1fr)}.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:static}.demand-detail-title{font-size:20px}}