html,
body {
    width: 100%;
}

header {
    width: 100%;
    height: 360px;
    background: url("../img/header.png") no-repeat;
    background-size: 100% 100%;
}

.main {
    width: 1200px;
    margin: 0 auto;
}

.main-1 {
    width: 100%;
    height: 240px;
    font-family: "楷体";
    background: url("../img/main-1.png") no-repeat;
    background-size: 100% 100%;
    margin-top: 20px;
    position: relative;
}

.main-1 p {
    width: 94%;
    font-size: 18px;
    line-height: 26px;
    text-indent: 2em;
    position: absolute;
    top: 80px;
    left: 50%;
    margin-left: -47%;
}

.main-2 {
    width: 100%;
    height: 180px;
    background: url("../img/main-2.png") no-repeat;
    background-size: 100% 100%;
    margin-top: 20px;
}

.main-3 {
    width: 100%;
    height: 720px;
    background: url("../img/main-3.png") no-repeat;
    background-size: 100% 100%;
    margin-top: 20px;
    position: relative;
}

.main-4 {
    width: 100%;
    height: 2450px;
    background: url("../img/main-4.png") no-repeat;
    background-size: 100% 100%;
    margin-top: 20px;
    position: relative;
}

.main4-content1 {
    width: 92%;
    height: 210px;
    background: url("../img/main4-content1.png") no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
    position: absolute;
    top: 130px;
    left: 50%;
    margin-left: -46%;
}

.main4-content1 .content {
    width: 74%;
    margin: 25px 0px 0px 30px
}

.content-title {
    font-size: 22px;
    color: #ffffff;
    font-weight: 600;
    margin: 18px 0px 0px 20px;
}

.content {
    color: #333333;
    line-height: 26px;
    text-indent: 2em;
    letter-spacing: 0.1em;
}

.main4-content2 {
    width: 92%;
    height: 970px;
    background: url("../img/main4-content2.png") no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
    position: absolute;
    top: 360px;
    left: 50%;
    margin-left: -46%;
}

.p-relative {
    width: 100%;
    height: 100%;
    position: relative;
}

.main4-content2 .content,
.main4-content3 .content,
.main4-content4 .content,
.main4-content5 .content {
    position: absolute;
}

.content-1 {
    width: 68%;
    top: 60px;
    right: 30px;
}

.content-2 {
    width: 68%;
    top: 240px;
    right: 30px;
}

.content-3 {
    width: 94%;
    top: 397px;
    right: 30px;
}

.content-4 {
    width: 94%;
    top: 558px;
    right: 30px;
}

.content-5 {
    width: 70%;
    top: 665px;
    left: 30px;
}

.content-6 {
    width: 70%;
    top: 750px;
    left: 30px;
}

.main4-content3 {
    width: 92%;
    height: 540px;
    background: url("../img/main4-content3.png") no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
    position: absolute;
    top: 1350px;
    left: 50%;
    margin-left: -46%;
}

.content-7 {
    width: 94%;
    top: 40px;
    right: 30px;
}

.content-8 {
    width: 94%;
    top: 170px;
    right: 30px;
}

.content-9 {
    width: 70%;
    top: 260px;
    left: 30px;
}

.content-10 {
    width: 70%;
    top: 370px;
    left: 30px;
}

.main4-content4 {
    width: 92%;
    height: 210px;
    background: url("../img/main4-content4.png") no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
    position: absolute;
    top: 1910px;
    left: 50%;
    margin-left: -46%;
}

.main4-content4 .content {
    width: 80%;
    top: 28px;
    right: 30px;
}

.main4-content5 {
    width: 92%;
    height: 240px;
    background: url("../img/main4-content5.png") no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
    position: absolute;
    top: 2150px;
    left: 50%;
    margin-left: -46%;
}

.main4-content5 .content {
    width: 78%;
    top: 30px;
    left: 30px;
}

.main-5 {
    width: 100%;
    height: 600px;
    background: url("../img/main-5.png") no-repeat;
    background-size: 100% 100%;
    margin-top: 20px;
    position: relative;
}

.main-5 video {
    position: absolute;
    top: 120px;
    left: 50%;
    margin-left: -40%;
}

footer {
    width: 100%;
    height: 80px;
    font-size: 18px;
    color: #ffffff;
    text-align: center;
    line-height: 80px;
    background: #1c90fe;
    margin-top: 30px;
}

.picBtnTop {
    width: 90%;
    height: 68%;
    position: absolute;
    overflow: hidden;
    zoom: 1;
    margin: 0 auto;
    top: 120px;
    left: 50%;
    margin-left: -45%;
}

.picBtnTop .hd {
    width: 16%;
    height: 90%;
    position: absolute;
    right: 5px;
    overflow: hidden;
    padding: 20px 10px;
    background: #7abaff;
    margin-top: 10px;
    border-radius: 8px;
}

.picBtnTop .hd ul {
    width: 100%;
    height: 90%;
    overflow: hidden;
    position: relative;
    top: 20px;
}

.picBtnTop .hd ul li {
    width: 100%;
    text-align: center;
}

.picBtnTop .hd ul li img {
    width: 50%;
    cursor: pointer;
    vertical-align: bottom;
}

.picBtnTop .bd {
    width: 80%;
    height: 100%;
    position: relative;
}

.picBtnTop .bd li {
    position: relative;
    zoom: 1;
    vertical-align: middle;
}

.picBtnTop .bd li .pic {
    position: relative;
    z-index: 0;
}

.picBtnTop .bd li .pic img {
    width: 100%;
    height: 100%;
    vertical-align: bottom;
}

.picBtnTop .hd ul li.on img {
    border: 2px solid #ffffff;
}

.main3-content {
    width: 89%;
    color: #333333;
    text-align: center;
    letter-spacing: 0.1em;
    background: #e9f4ff;
    border-radius: 12px;
    padding: 8px 0px;
    position: absolute;
    bottom: 56px;
    left: 50%;
    margin-left: -44%;
}

.main3-content span {
    color: #e94e5b;
}

.sPrev,
.sNext {
    width: 55px;
    height: 28px;
    display: inline-block;
    position: absolute;
    left: 50%;
    margin-left: -27.5px;
}

.sPrev {
    background: url("../img/pre.png") no-repeat;
    background-size: 100% 100%;
    top: 8px;
}

.sNext {
    background: url("../img/next.png") no-repeat;
    background-size: 100% 100%;
    bottom: 8px;
}