:root {
    --wechat-green: #07C160;
    --wechat-light: #F7F7F7;
    --wechat-dark: #1A1A1A;
    --text-primary: #1A1A1A;
    --text-secondary: #7F7F7F;
    --bg-color: #F7F7F7;
}

.wechat-header {
    background-color: rgba(7, 193, 96, 0.85); /* 添加透明度 */
}