$(function(){
  $('.yx_KfClose').on('click', function(event){
    $(".yx_KfBox").css({"display":"none"});
  });
  // 回到顶部的显示与隐藏
  $(window).on("load scroll", function() {
    var top = $(document).scrollTop(),
        wHeight = $(window).height();
    if (top > wHeight) {
      $(".yx_Up_Button").addClass("yx_Active");
    } else {
      $(".yx_Up_Button").removeClass("yx_Active");
    }
  });
  // 回到顶部
  $(".yx_Up_Button").on("click", function() {
    $("html,body").stop().animate({
      scrollTop: 0
    }, 500);
  });

  //锚点缓动
  $('.yx_HD_Btn').click(function(){
    $('html,body').animate({scrollTop: ($($(this).attr('href')).offset().top -160 )},800);
  });

  //移动端分类样式
  $(".yx_MoPageBtn").on('click',function(){
    $(this).next().css("left","0px");
    $(this).parent().css("z-index","9999");
  });
  $(".yx_MoPageClose").on('click',function(){
    $(this).parent().css("left","100%");
    $(this).parents().css("z-index","9");
  });

  //Search
  $(".yx_SearchBtn").on('click',function(){
    $(".yx_SearchOne").slideDown().addClass("yx_SActive");
  });
  $(".yx_SearchClose").on('click',function(){
    $(".yx_SearchOne").slideUp().removeClass("yx_SActive");
  });
});

//内页banner
$(window).scroll(function(){
  var flag="+";
  if ($(window).scrollTop() > 0) {
    var k2 = $(window).scrollTop()/2;
    k2<0?flag=" -":" +";
    $(".yx_Banner_N .yx_BN_Img").css("background-position-y","calc(50% "+ flag + " " + Math.abs(k2) +"px)");
  }else{
    $(".yx_Banner_N .yx_Mo_Img").css("background-position-y","50%");
  }
});