$(window).ready(function() {
    heighted()
})
 // 鎺у埗楂樺害
 function heighted () {
    var widths = $('.network_img').width();
    var heighed = math.floor(widths*1/10);
    var nums = 0
    if (heighed>70) {
        nums = 70
    } else {
        nums = heighed
    }
    var heights = 'height:' + nums + 'px'
    $('.network_img').attr('style', heights)
 }