纯css实现首次登入的新手帮助提示功能

*{margin:0;padding:0}
form,ul,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,p{list-style:none outside none}
a{text-decoration:none;color:#ccc;outline:none}
a:hover{text-decoration:none}
a img{border:none}
.fr{float:right}
.fl{float:left}
.disn{display:none}
html{height:100%;overflow:hidden;-moz-user-select:none;-khtml-user-select:none;user-select:none}
body{font:12px/1.8 5FAE8F6F96C59ED1,5B8B4F53;background:url(bg.png)}
.help{position:absolute;z-index:5555;width:100%;height:100%;background:none rgba(0, 0, 0, 0.7);display:none}
.help .close{float:right;font-size:40px;color:#fff;width:40px;height:40px;line-height:36px;text-align:center;background:none}
.help .close:hover{background:none rgba(0, 0, 0, 0.7)}
.help .step{position:absolute;color:#eee;padding:0 20px 15px;background:none rgba(0, 0, 0, 0.7);border-radius:5px;display:none}
.help .step .jt{font-size:0;height:0;border:20px solid rgba(0, 0, 0, 0);position:absolute}
.help .step .jt_left{border-right:20px solid rgba(0, 0, 0, 0.7)}
.help .step .jt_right{border-left:20px solid rgba(0, 0, 0, 0.7)}
.help .step .jt_top{border-bottom:20px solid rgba(0, 0, 0, 0.7)}
.help .step .jt_bottom{border-top:20px solid rgba(0, 0, 0, 0.7)}
.help .step .h1{font-size:40px;font-weight:bold}
.help .step .h2{font-size:28px;font-weight:bold;padding-left:10px}
.help .step .next,
.help .step .over{border:1px solid #fff;color:#fff;padding:0 5px;float:right;margin-top:10px}
.help .step .next:hover,
.help .step .over:hover{background:none rgba(50, 50, 50, 0.7)}

$(function(){
$(‘.help’).show();
$(‘#step1’).show();
$(‘.close’).on(‘click’,function(){
$(‘.step’).hide();
$(‘.help’).hide();
});
$(‘.next’).on(‘click’,function(){
var obj = $(this).parents(‘.step’);
var step = obj.attr(‘step’);
obj.hide();
$(‘#step’+(parseInt(step)+1)).show();
});
$(‘.over’).on(‘click’,function(){
$(this).parents(‘.step’).hide();
$(‘.help’).hide();
});
});

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