body,
html,
header,
section,
div,
ul,
li,
a,
p {
    font-family: "微软雅黑";
    padding: 0;
    margin: 0;
}

li {
    list-style: none
}

a {
    text-decoration: none;
}

.hd {
    width: 100%;
    height: 60px;
    background: rgba(0, 0, 0, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

.hd .inner {
    width: 980px;
    margin: 0 auto;
}

.hd .logo {
    float: left;
    margin-top: 6px;
    margin-right:30px;
}

.hd nav {
    float: left;
}

.hd nav li {
    float: left;
}

.hd nav li a {
    line-height: 60px;
    display: block;
    padding: 0 20px;
    color: #fff
}

.hd nav li a:hover,
.hd nav li.active a {
    background: #F90;
    color: rgba(0, 0, 0, 0.8)
}

.s1 {
    background: url("images/banner.jpg");
}

.s1 img {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -545px;
    margin-top: -230px;
    opacity: 0;
    transition:0.5s;
    transition-delay:0.8s;

}

.s1.active img{
    opacity: 1;
}


/* 公共 */

.section{height: 100%;overflow: hidden;}

.section .left {
    position: absolute;
    left: 5%;
    top: 50%;
    margin-top: -220px;
    z-index: 2
}

.section .left li {
    float: left;
    margin: 20px;
    transition:0.5s;
}

.section .left li p {
    font-size: 18px;
    color: #333;
    margin: 20px 0;
}

.section .left li a {
    width: 98px;
    height: 36px;
    background: url(../images/buy.jpg);
    display: block;
}

.section .right {
    position: absolute;
    right: 5%;
    top: 15%;
    text-align: right;
    z-index: 2
}

.section .right h1 {
    font-size: 34px;
    color: #333;
    font-weight: 100;
}

.section .right p {
    font-size: 18px;
    color: #333;
    line-height: 1.5em;
    margin-top: 20px;
    margin-bottom: 10px;
}

.section .right a {
    color: #333;
    text-decoration: underline;
}

.section .right a:hover {
    text-decoration: none;
}

.section .bg {
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.s2 {
    background: url(../images/s2.jpg) center;
}
.s2 .left li{
    transform:translateY(1000px);
}
.s2.active .left li{
    transform:translateY(0);
}
.s2 .left li:nth-child(1){
    transition-delay:0.8s;
}

.s2 .left li:nth-child(2){
    transition-delay:0.9s;
}

.s2 .left li:nth-child(3){
    transition-delay:1s;
}


.s3 {
    background: url(../images/s3.jpg) center;
}

.s3 .left li{
    transition-delay:0.8s;
}

.s3 .left li:nth-child(1){transform:translateX(0);}
.s3 .left li:nth-child(2){transform:translateX(-279px);}
.s3 .left li:nth-child(3){transform:translateX(-558px);}

.s3.active .left li{transform:translateX(0);}

.s4 {
    background: url(../images/s4.jpg) center;
}

.s5 {
    background: url(../images/s5.jpg) center;
}