:root{--brand-primary: #409EFF;--brand-primary-light: #5CADFF;--brand-primary-dark: #337ECC;--brand-primary-bg: #ECF5FF;--color-success: #67C23A;--color-warning: #E6A23C;--color-danger: #F56C6C;--color-info: #909399;--text-primary: #303133;--text-regular: #606266;--text-secondary: #909399;--text-placeholder: #C0C4CC;--bg-page: #F5F7FA;--bg-card: #FFFFFF;--bg-hover: #F0F2F5;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .06);--shadow-md: 0 2px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .12);--font-family: "Microsoft Yahei", "PingFang SC", "Avenir", "Segoe UI", "Hiragino Sans GB", "STHeiti", sans-serif;--font-size-sm: 13px;--font-size-base: 14px;--font-size-md: 15px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-title: 24px}*,*:before,*:after{box-sizing:border-box}html{height:100%;font-size:var(--font-size-base)}body{height:100%;margin:0;color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;background-color:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body::-webkit-scrollbar{width:6px}body::-webkit-scrollbar-thumb{background-color:#c0c4cc;border-radius:3px}body::-webkit-scrollbar-track{background-color:transparent}a{text-decoration:none;color:var(--text-primary);outline:none;cursor:pointer}a:hover{color:var(--brand-primary)}ul,ol{list-style:none;padding:0;margin:0}h1,h2,h3,h4,h5,h6,p{margin:0}input,textarea,select{outline:none;border:1px solid #DCDFE6;border-radius:var(--radius-sm);padding:8px 12px;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--text-primary);transition:border-color .2s,box-shadow .2s}input:focus,textarea:focus,select:focus{border-color:var(--brand-primary);box-shadow:0 0 0 2px #409eff26}input::placeholder,textarea::placeholder{color:var(--text-placeholder)}button{font-family:var(--font-family);cursor:pointer;outline:none}button:disabled{opacity:.6;cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 20px;font-size:var(--font-size-base);font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;transition:all .25s}.btn-primary{background-color:var(--brand-primary);color:#fff;border-color:var(--brand-primary)}.btn-primary:hover{background-color:var(--brand-primary-light);border-color:var(--brand-primary-light)}.btn-default{background-color:#fff;color:var(--text-primary);border-color:#dcdfe6}.btn-default:hover{color:var(--brand-primary);border-color:var(--brand-primary)}.btn-danger{background-color:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-danger:hover{opacity:.85}