body,html {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    display: block;
    position: relative;
    overflow: hidden;
    font-family: 'Slabo 27px', serif;
    font-size: 16px;
}

h1,h2,h3,h4,h5,h6 {
    padding: 0;
    margin: 0;
}
ul,li,p {
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none;
}
.wrapper {
    height: 100%;
    width: 100%;
    display: block;
    overflow: hidden;
}
.wrapper .container {
    height: 100%;
    width: 100%;
    display: block;
    overflow: hidden;
}

.slideshow {
    height: 100%;
    width: 100%;
    display: block;
    overflow: hidden;
}
.slideshow .slideshow-left {
    width: 40%;
    float: left;
    position: relative;
    height: 100%;
}
.slideshow .slideshow-left .Lslide {
    height: 100%;
    display: block;
    overflow: hidden;
    position: absolute;
    bottom: 0px;
    top: 0;
    left: 0;
    right: 0;
}  
.slideshow .Lslide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
}
.slideshow .Lslide-content h2 {
    color: #fff;
    font-weight: 600;
    font-size: 60px;
    line-height: 0.8;
}
.slideshow .Lslide-content p {
    color: #fff;
    padding: 2.5em 0em;
}
.slideshow .Lslide-content .button {
    background-color: #fff;
    display: inline-block;
    border-radius: 25px;
    position: relative;
}
.slideshow .Lslide-content .button i {
    float: right;
    position: absolute;
    top: 50%;
    right: 2.5em;
    color: #000;
    font-size: 9px;
    transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    transition: all 0.3s;
}
.slideshow .Lslide-content .button:hover i {
    right: 1.7em;
}
.slideshow .Lslide-content .button p {
    margin: 0;
    padding: 0;
    color: #000;
    text-align: left;
    padding: 0.8em 8em 0.8em 1.5em;
    font-size: 12px;
    font-weight: 600;
}
.slideshow .slideshow-right {
    width: 60%;
    float: left;
    position: relative;
    height: 100%;    
}     
.slideshow .slideshow-right .Rslide {
    height: 100%;
    display: block;
    overflow: hidden;
    position: absolute;
    bottom: 0px;
    top: 0;
    left: 0;
    right: 0;
}  
.slideshow .slideshow-right .Rslide img {
    min-width: 100%;
}
.control {
    position: absolute;
    left: 40%;
    top: 50%;
    transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
}    
.control i {
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    text-align: center;
    position: absolute;
    color: #aaaaaa;
    transition: all 0.3s;
    -ms-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -webkit-transition: all 0.3s;
}    
.control .control-top {
    width: 45px;
    height: 50px;
    background-color: #fff;
    z-index: 5;
    position: relative;
    border-radius: 0px 4px 4px 0px;
    cursor: pointer;
}
.control .control-top:hover i {
    color: #333333;
}
.control .control-bottom {
    width: 45px;
    height: 50px;
    background-color: #fff;
    z-index: 5;
    position: relative;
    border-radius: 4px 0px 0px 4px;
    left: -45px;
    cursor: pointer;
}  
.control .control-bottom:hover i {
    color: #333333;
}          

            var Lslide      = document.querySelectorAll('.Lslide'),
    Rslide      = document.querySelectorAll('.Rslide'),
    control     = document.querySelectorAll('.oncontrol'),
    slideHeight = document.querySelector('.wrapper').clientHeight,
    color = ['#fdc97c', '#e5d3d0', '#71b3d6'],
    index = 0;


function init() {
    slideHeight = document.querySelector('.wrapper').clientHeight;
    for (i = 0; i < Lslide.length; i++) {
        Lslide[i].style.backgroundColor = color[i];
        Lslide[i].style.top = -slideHeight * i + "px";
        Rslide[i].style.top = slideHeight * i + "px";
    }  
}
init()
window.addEventListener('resize', function(){
    init()
});

function moveToTop() {

    index++;
    for (el = 0; el < Lslide.length; el++) {
        Lslide[el].style.top = parseInt(Lslide[el].style.top) + slideHeight + "px";
        Rslide[el].style.top = parseInt(Rslide[el].style.top) - slideHeight + "px";
    }

    if (index > Lslide.length-1) {
        index = 0;
        for (el = 0; el < Lslide.length; el++) {
            Lslide[el].style.top = -slideHeight * el + "px";
            Rslide[el].style.top = slideHeight * el + "px";
        }
    }
}

function moveToBottom() {
    index--;
    for (el = 0; el < Lslide.length; el++) {
        Lslide[el].style.top = parseInt(Lslide[el].style.top) - slideHeight + "px";
        Rslide[el].style.top = parseInt(Rslide[el].style.top) + slideHeight + "px";
        
    }
    if (index < 0) {
        index = Rslide.length-1;
        for (el = 0; el < Lslide.length; el++) {
            Lslide[el].style.top = parseInt(Lslide[el].style.top) + slideHeight * Lslide.length + "px";
            Rslide[el].style.top = parseInt(Rslide[el].style.top) - slideHeight * Rslide.length + "px";
        }
    }
}

function transition() {
    for (t = 0; t < Lslide.length; t++) {
        Lslide[t].style.transition = "all 0.8s";
        Rslide[t].style.transition = "all 0.8s";
    }
}
  

for (t = 0; t < control.length; t++) {
    control[t].addEventListener("click", function() {

        if (this.classList.contains('control-top')) {
            moveToTop()
        } 
        if (this.classList.contains('control-bottom')) {
            moveToBottom()
        }

        transition()
   
    });
}

var wheeling;
function mousemouve(e) {

    clearTimeout(wheeling);
    e.preventDefault();
    var e = window.event || e; 
    var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
    
    wheeling = setTimeout(function() {
        wheeling = undefined;
        if (delta === 1) {
            moveToTop()
        }
        if (delta === -1) {
            moveToBottom()
        }
    }, 100);

    transition()
}

document.addEventListener("mousewheel", mousemouve);
document.addEventListener("DOMMouseScroll", mousemouve);