/*common*/
body { color: #222; }
.m_block { display: block }
.m_clearfix:after { content: "."; display: block; clear: both; height: 0; overflow: hidden }
.m_clearfix { zoom: 1 }
.fl-l { float: left; }
.fl-r { float: right; }
.wp { width:100%; margin: 0 auto; overflow: hidden; position: relative;}
.wp * { box-sizing: border-box; }
.w335 { width: 3.35rem; margin: 0 auto; }


/*part1*/
.part1 {
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}
.part1 img{
    width: 100%;
    display: block;
}
.part1 a{
    position: absolute;
    width: 2.3rem;
    height: .45rem;
    left: 50%;
    transform: translate(-50%,0);
}
.part1 a.btn_1{
    top:3.7rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn1a.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_2{
    top:7.05rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn2.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_3{
    top:10.6rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn3.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_4{
    top:14.25rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn4.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_5{
    top:18.9rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn5.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_6{
    bottom:.65rem;
    background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn6.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_1:active{
	background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn1.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_2:active,.part1 a.btn_3:active,.part1 a.btn_5:active,.part1 a.btn_6:active{
	background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn2a.png) no-repeat;
    background-size: 100%;
}
.part1 a.btn_4:active{
	background: url(http://cdn.img.lx.zmnedu.com/ks/static/ieltscloseclass/images/btn4a.png) no-repeat;
    background-size: 100%;
}
@media screen and (min-width: 1024px) {
    html { font-size: 100px; }
    .g-hd{
        max-width: 640px;
        width: 100%;
    }
    .g-ft{
        max-width: 640px;
        margin: 0 auto;
    }
    .m-footer{
        max-width: 640px;
        left: 50%;
        transform: translateX(-50%);
    }
    .g-hd .g-hd-wp{
        width: 600px;
    }
    .part1 a{
        width: 385px;
        height: 73px;
    }
    .part1 a.btn_1{
        top:635px;
        
    }
    .part1 a.btn_2{
        top:1200px;

    }
    .part1 a.btn_3{
        top:1810px;

    }
    .part1 a.btn_4{
        top:2430px;

    }
    .part1 a.btn_5{
        top:3223px;

    }
    .part1 a.btn_6{
        bottom:110px;

    }
}