body {
    width: 1920px;
    margin: 0 auto;
    font-family: "微软雅黑";
}

#head {
    width: 1920px;
    height: 100px;
    /*position: fixed;*/
    top: 0;
    left: 0;
    /*z-index: 5;*/
    background-image: url("../img/DHT.jpg");
}

    #head a, #head a:hover, #head a:link, #head a:active {
        text-decoration: none;
    }

#truns {
    width: 1920px;
    height: 100%;
    margin-bottom: 1px;
    /*margin-top: 100px;*/
}

#product {
    width: 1920px;
    height: 1120px;
    /*border:1px solid red;*/
    margin-bottom: 50px;
}

#product_son {
    width: 1600px;
    height: 900px;
    /*border:1px solid red;*/
    margin-left: 160px;
}

.product_1 {
    width: 300px;
    height: 400px;
    /*border:1px solid red;*/
    float: left;
    margin-left: 80px;
    margin-bottom: 80px;
}

.product_2 {
    width: 300px;
    height: 400px;
    /*border:1px solid red;*/
    float: left;
    margin-left: 80px;
}

#business {
    width: 1920px;
    height: 1120px;
    background-image: url("../img/bj.jpg");
    /*border:1px solid red;*/
}

#business_son {
    width: 1600px;
    height: 1000px;
    /*border:1px solid blue;*/
    margin-left: 160px;
}

.business_1 {
    width: 30%;
    height: 30%;
    /*border:1px solid red;*/
    float: left;
    margin: 10px;
    background-color: #f3f1f1;
}

.business_2 {
    width: 30%;
    height: 30%;
    /*border:1px solid red;*/
    float: left;
    margin: 10px;
    background-color: #f3f1f1;
}

.business_3 {
    width: 30%;
    height: 30%;
    /*border:1px solid red;*/
    float: left;
    margin: 10px;
    background-color: #f3f1f1;
}

#present {
    width: 1920px;
    height: 856px;
    background-image: url("../img/gs1.jpg");
    margin-bottom: 100px;
}

#aptitude {
    width: 1920px;
    height: 1100px;
    /*border:1px solid red;*/
}

.box {
    margin-top: 80px;
    width: 950px;
    height: 800px;
    position: relative;
}

.list {
    width: 100%;
    height: 800px;
    overflow: hidden;
    position: absolute;
    left: 950px;
    margin-left: -480px;
}

/*.btn{
	position: absolute;
	top: 50%;
	margin-top: -50px;
	width: 60px;
	height: 100px;
	line-height: 100px;
	font-size: 30px;
	color: white;
	text-decoration: none;
	text-align: center;
	background: rgba(0,255,0,.5);
	cursor: pointer;
}*/
.next {
    right: 0;
}

.list li {
    position: absolute;
    top: 0;
    left: 0;
    list-style: none;
    opacity: 0;
    transition: all 0.3s ease-out;
}

.list img {
    width: 469px;
    height: 762px;
    border: none;
    float: left;
}

.list .p1 {
    transform: translate3d(-224px,0,0) scale(0.81);
}

.list .p2 {
    transform: translate3d(0px,0,0) scale(0.81);
    transform-origin: 0 50%;
    opacity: 0.8;
    z-index: 2;
}

.list .p3 {
    transform: translate3d(224px,0,0) scale(1);
    z-index: 3;
    opacity: 1;
}

.list .p4 {
    transform: translate3d(449px,0,0) scale(0.81);
    transform-origin: 100% 50%;
    opacity: 0.8;
    z-index: 2;
}

.list .p5 {
    transform: translate3d(672px,0,0) scale(0.81);
}

.list .p6 {
    transform: translate3d(896px,0,0) scale(0.81);
}

.list .p7 {
    transform: translate3d(1120px,0,0) scale(0.81);
}

.buttons {
    position: absolute;
    width: 1200px;
    height: 30px;
    bottom: 0;
    left: 50%;
    margin-left: -600px;
    text-align: center;
    padding-top: 10px;
}

    .buttons a {
        display: inline-block;
        width: 35px;
        height: 5px;
        padding-top: 4px;
        cursor: pointer;
    }

    .buttons span {
        display: block;
        width: 35px;
        height: 1px;
        background: red;
    }

.blue {
    background: blue;
}

#contact {
    width: 1920px;
    height: 393px;
    background-image: url("../img/WSRJ2_06.png");
}