:root {
    /* 主题颜色和基础变量 */
    --primary: #00e1ff;
    --secondary: #aaffec;
    --bg-gradient: linear-gradient(135deg, #0d1b2a 0%, #1b2b3b 100%);
    --glass-bg: rgba(173, 216, 230, 0.08);
    --nav-width: 280px;
    --header-height: 160px;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-color: rgba(0, 225, 255, 0.3);
    --text-primary: #e0f7fa;
    --text-secondary: rgba(224, 247, 250, 0.7);
    --border-color: rgba(173, 216, 230, 0.2);
    --card-bg: rgba(10, 25, 41, 0.6);
}