:root{--primary-color: #2B85D5;--primary-hover: #40A9FF;--primary-light: #E6F7FF;--success-color: #52C41A;--warning-color: #FAAD14;--error-color: #FF4D4F;--text-primary: #262626;--text-secondary: #8C8C8C;--text-placeholder: #BFBFBF;--border-color: #D9D9D9;--border-light: #F0F0F0;--bg-gray: #F0F2F5;--bg-light: #FAFAFA;--bg-white: #FFFFFF;--sidebar-width: 220px;--header-height: 64px;--border-radius: 4px;--border-radius-lg: 8px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family);font-size:14px;color:var(--text-primary);background-color:var(--bg-gray);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.login-page{min-height:100vh;display:flex;background:var(--bg-white)}.login-illustration{flex:1;background:url(/login-bg.jpg) no-repeat center 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24px;display:flex;align-items:center;justify-content:space-between;position:fixed;top:0;left:var(--sidebar-width);right:0;z-index:100;box-shadow:0 1px 4px #0000000d}.top-header-left{display:flex;align-items:center;gap:8px}.top-header-right{display:flex;align-items:center;gap:16px}.header-btn{height:36px;padding:0 16px;border-radius:var(--border-radius);font-size:14px;display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s;border:1px solid transparent}.header-btn-primary{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.header-btn-primary:hover{background:var(--primary-hover)}.header-btn-default{background:var(--bg-white);color:var(--text-primary);border-color:var(--border-color)}.header-btn-default:hover{border-color:var(--primary-color);color:var(--primary-color)}.sidebar{width:var(--sidebar-width);background:var(--bg-white);border-right:1px solid var(--border-light);position:fixed;left:0;top:0;bottom:0;z-index:101;display:flex;flex-direction:column}.sidebar-header{height:var(--header-height);display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--border-light)}.sidebar-logo{font-size:18px;font-weight:600;color:var(--primary-color)}.sidebar-menu{flex:1;padding:12px 0;overflow-y:auto}.sidebar-section-title{padding:8px 20px;font-size:12px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.sidebar-menu-item{display:flex;align-items:center;padding:12px 20px;cursor:pointer;transition:all .2s;position:relative;color:var(--text-primary);text-decoration:none}.sidebar-menu-item:hover{background:var(--bg-light);color:var(--primary-color)}.sidebar-menu-item.active{background:var(--primary-light);color:var(--primary-color);border-left:3px solid var(--primary-color)}.sidebar-menu-icon{width:20px;height:20px;margin-right:12px;display:flex;align-items:center;justify-content:center}.sidebar-menu-badge{position:absolute;right:20px;background:var(--error-color);color:#fff;font-size:12px;padding:2px 8px;border-radius:10px;font-weight:500}.sidebar-footer{padding:12px 20px;border-top:1px solid var(--border-light)}.current-module-btn{width:100%;height:40px;background:var(--bg-light);border:1px solid var(--border-color);border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-primary);font-size:14px;cursor:pointer;transition:all .2s}.current-module-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.main-content{margin-left:var(--sidebar-width);margin-top:var(--header-height);padding:24px;min-height:calc(100vh - var(--header-height))}.page-header{margin-bottom:24px}.page-title{font-size:20px;font-weight:600;color:var(--text-primary);margin:0 0 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