// pages/detailedReport/detailedReport.ts
Page({
    data: {
        // 导航栏背景色，根据滚动位置动态变化
        navBgColor: 'rgba(255,255,255,0)',

        header: {
            date: '2026-07-23 16:32',
            bmi: 'BMI正常',
            change: '较上次-0.3kg'
        }
    },

    // 滚动时导航栏背景渐显
    onScroll(e: WechatMiniprogram.ScrollViewScroll) {
        const scrollTop = e.detail.scrollTop;
        const opacity = Math.min(Math.max(scrollTop / 300, 0), 1);
        this.setData({
            navBgColor: `rgba(255,255,255,${opacity})`,
        });
    },
})