.section h1{font-weight: normal;}
.section-center{font-weight: normal; text-align: center;}
.section-imgs{width: 100%;}
.pst-relative{position: relative;}
/*第一屏*/
#section1 {
    background: url(../images/section1-bg.jpg) center no-repeat;
    background-size: cover;
}
/*第二屏*/
#section2 {
    background:#fff;
    color: #333;
}
#section2-word1 {
    margin-top: 2%;
    width: 100%;
    text-align: center;
}
#section2-img1{margin-top: 6.42%;}
/*第三屏*/
#section3 {
    background:#fff;
    color: #333;
}
#section3-word1 {
    width: 100%;
    text-align: center;
}
#section3-img1 {
    margin-top: 4.5%;
}

/*第四屏*/
#section4 {
    background: url(../images/section4-bg.jpg) 0 0 repeat;
    color: #fff;
}
#section4-word1 {
    position: absolute;
    width: 44.08%;
    top:70.68%;
    left:44%;
    z-index: 2; 
}
#section4-img1 {
    top: 12.386%;
    left: 0;
    position: absolute;
    z-index: 1;
}

/*第五屏*/
#section5 {
    background: url(../images/section5-bg.jpg) 0 0 repeat;
    color: #fff;
}
#section5-img1 {
    top: 20%;
    left: 0;
    position: absolute;
}

/*第六屏*/
#section6 {
    background: url(../images/section6-bg.jpg) 0 0 repeat;
    color: #333;
}
#section6-h1 {
    position: absolute;
    top:70.79%; 
    left:47.83%;
    right: 0;
    width: 54.2%;
    z-index: 2;
}
#section6-word1 {
    position: absolute;
    top:79.77%;
    left:47.83%;
    width: 54.2%;
    z-index: 2;
}
#section6-img1 {
    top: 0;
    left: 0;
    position: absolute;
    z-index: 1;
}

/*第七屏*/
#section7 {
    background: url(../images/section7-bg.jpg) 0 0 repeat;
    color: #fff;
}
#section7-word1{
    margin:3.33% 0 0 0;
}
#section7-img1{
    margin-top:10%;
}
/*第八屏*/
#section8 {
    background-color:#fff;
    color: #333;
}
#section8-word1{
    margin:3.33% 0 0 0;
}
#section8-img1{
    margin-top:10%;
}
@media screen and (min-width: 1680px) {
    .section h1{font-size: 36px; line-height: 36px;}
}
@media screen and (max-width: 1679px) {
    .section h1{font-size: 30px; line-height: 30px;}
}
@media screen and (max-width: 1200px) {
    .section h1{font-size: 24px; line-height: 24px;}
}