ul,
p,
h3,
h4,
body {
    padding: 0;
    margin: 0;
}

a,
a:hover {
    text-decoration: none;
}

ul li {
    list-style: none;
}

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

header {
    height: 90px;
    line-height: 90px;
    overflow: hidden;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 3px 8px rgb(0 0 0 / 6%);
}

header ul {
    float: right;
    overflow: hidden;
}

header ul li {
    float: left;
    margin-left: 50px;
}

header ul li a {
    font-size: 16px;
    color: #333;
}

header ul li:hover a {
    color: #ff8400;
}

.logo {
    display: inline-block;
    margin-top: 14px;
}

.headv-check a {
    color: #ff8400;
    position: relative;
}

.headv-check a::before {
    position: absolute;
    width: 100%;
    bottom: -34px;
    left: 0;
    height: 2px;
    content: '';
    background: #ff8400;
}

.banner {
    position: relative;
    margin-top: 90px;
}

.banner>img {
    width: 100%;
}

.banner_box {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.banner_title {
    margin-bottom: 30px;
    display: block;
}

.banner_btn {
    margin-bottom: 20px;
}

.banner_box span {
    display: block;
    color: #fff;
    font-size: 20px;
    width: 50%;
    line-height: 40px;
}

.ccs {
    padding: 50px 0;
}

.index_title {
    margin-bottom: 50px;
    font-size: 30px;
    color: #222;
    position: relative;
    text-align: center;
}

.index_title::after {
    width: 60px;
    height: 4px;
    background: #ff8400;
    margin: 0 auto;
    display: block;
    content: '';
    margin-top: 20px;
}

.ccs_group {}

.ccs_left {
    display: inline-block;
    position: relative;
}

.ccs_left img:nth-child(1) {
    position: absolute;
    left: 8px;
    top: 50px;
}

.ccs_left img:nth-child(2) {
    position: absolute;
    right: 6px;
    top: 50px;
}

.ccs_left img:nth-child(3) {
    position: absolute;
    left: 0px;
    top: 230px;
}

.ccs_left img:nth-child(4) {
    position: absolute;
    right: 10px;
    top: 290px;
}

.css_right {
    float: right;
    width: calc(100% - 750px);
}

.css_right img {
    margin-bottom: 20px;
    margin-top: 10px;
}

.css_right p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #222;
}

.css_right span {
    font-size: 14px;
    margin-bottom: 24px;
    color: #222;
    display: block;
    line-height: 30px;
}

.css_right a {
    border: 1px solid #929292;
    text-align: center;
    padding: 12px 44px;
    font-size: 16px;
    color: #333;
    border-radius: 50px;
    margin-top: 10px;
    display: inline-block;
}

.css_right a:hover {
    background: #ff8400;
    color: #fff;
    border: 1px solid #ff8400;
    transition: 0.5s all;
}

.zdds {
    background: url(../img/zdds_bg.png) no-repeat;
    padding: 50px 0 0 0;
}

.zdds_group {
    overflow: hidden;
}

.zdds_right {
    float: right;
    margin-right: 100px;
    position: relative;
}

.zdds_right img:nth-child(1) {
    position: absolute;
    left: -40px;
    top: 24px;
    z-index: 10;
}

.zdds_right img:nth-child(2) {
    position: absolute;
    right: 50px;
    z-index: 10;
    top: 70px;
}

.zdds_right img:nth-child(3) {
    position: absolute;
    left: -114px;
    bottom: 90px;
    z-index: 10;
}

.zdds_right img:nth-child(4) {
    position: absolute;
    right: -70px;
    bottom: 130px;
    z-index: 10;
}

.zdds_left {
    display: inline-block;
    width: 300px;
}

.zdds_left img {
    margin-top: 30px;
    margin-bottom: 20px;
}

.zdds_left p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #222;
}

.zdds_left span {
    font-size: 14px;
    margin-bottom: 24px;
    color: #222;
    display: block;
    line-height: 30px;
}

.zdds_left a {
    border: 1px solid #929292;
    text-align: center;
    padding: 12px 44px;
    font-size: 16px;
    color: #333;
    border-radius: 50px;
    margin-top: 10px;
    display: inline-block;
}

.zdds_left a:hover {
    background: #ff8400;
    color: #fff;
    border: 1px solid #ff8400;
    transition: 0.5s all;
}

.ccsdj {
    padding: 50px 0;
}

.ccsdj_group {
    /* overflow: hidden; */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ccsdj_left {
    float: left;
    position: relative;
    margin-left: 50px;
}

.ccsdj_left img:nth-child(1) {
    position: absolute;
    top: 150px;
    left: -50px;
}

.ccsdj_left img:nth-child(2) {
    position: absolute;
    top: 130px;
    right: 0px;
}

.ccsdj_left img:nth-child(3) {
    position: absolute;
    top: 340px;
    left: -30px;
}

.ccsdj_right {
    float: right;
    width: calc(100% - 760px);
}

.ccsdj_right img {
    /* margin-top: 100px; */
    margin-bottom: 20px;
}

.ccsdj_right p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #222;
}

.ccsdj_right span {
    font-size: 14px;
    color: #222;
    display: block;
    line-height: 30px;
}

.yryz {
    background: url(../img/zdds_bg.png) no-repeat;
    padding: 50px 0;
}

.yryz_group {
    overflow: hidden;
}

.yryz_left {
    float: left;
    width: calc(100% - 800px);
}

.yryz_left img {
    margin-top: 90px;
    margin-bottom: 20px;
}

.yryz_left p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #222;
}

.yryz_left span {
    font-size: 14px;
    margin-bottom: 24px;
    color: #222;
    display: block;
    line-height: 30px;
}

.yryz_left a {
    border: 1px solid #929292;
    text-align: center;
    padding: 12px 44px;
    font-size: 16px;
    color: #333;
    border-radius: 50px;
    margin-top: 10px;
    display: inline-block;
}

.yryz_right {
    float: right;
    position: relative;
    margin-right: 100px;
}

.yryz_right img:nth-child(1) {
    position: absolute;
    left: -70px;
    top: 120px;
}

.yryz_right img:nth-child(2) {
    position: absolute;
    right: -70px;
    top: 95px;
}

.yryz_right img:nth-child(3) {
    position: absolute;
    left: -115px;
    top: 300px;
}
.ddqx_right a{
    border: 1px solid #929292;
    text-align: center;
    padding: 12px 44px;
    font-size: 16px;
    color: #333;
    border-radius: 50px;
    margin-top: 30px;
    display: inline-block;
}
.ddqx_left img:nth-child(1) {
    width:130px;
    height:auto;
    position: absolute;
    top: 73px;
    left: -84px;
}
.ddqx_left img:nth-child(2) {
    width:146px;
    height:auto;
    position: absolute;
    top: 56px;
    right: -38px;
}
.ddqx_left img:nth-child(3) {
    width:130px;
    height:auto;
    position: absolute;
    top: 204px;
    left: -113px;
}
footer {
    background: #383735;
    padding: 24px 0;
    text-align: center;
    color: #fff;
    font-size: 14px;
}

.zdds_img {
    position: relative;
    right: 0;
    bottom: -6px;
}