* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.w {
    width: 1200px;
    margin: auto;
}

.banner {
    background: url(banner_header20230610.png) no-repeat top center;
    background-size: cover;
    width: 100%;
    height: 500px;
}

.banner img {
    width: 370px;
    position: absolute;
    left: 50px;
    top: 20px;
    z-index: 2;
}

.line-nav {
    border: 1px solid #ccc;
}

/*导航start*/
.nav {
    height: 75px;
    line-height: 75px;
}

.nav ul {
    width: 900px;
    margin: auto;
}

.nav ul li {
    position: relative;
    float: left;
    margin-right: 30px;

}

.nav ul li a {
    font-size: 16px;
    color: #3e3e3e;
}

.nav ul li a:hover {
    color: red;
}

.nav li:after {
    content: '';
    position: absolute;
    height: 21px;
    width: 1px;
    background: #d2a359;
    top: 28px;
    right: -13px;
}

/*导航end*/

/**版心start*/
.content-box {
    height: 500px;
}

.content-box .content-left1 {
    width: 58%;
    float: left;
    height: 500px;
}

.content-box .content-right1 {
    width: 40%;
    float: right;
    height: 500px;
}


.title-p {
    border-bottom: 1px solid #a3a3a3;
    font-size: 20px;
    color: #fff;
    position: relative;
    height: 62px;
    line-height: 88px;
    padding-left: 20px;
    box-sizing: border-box;
}

.title-p span {
    position: relative;
    z-index: 2;
}

.title-p img {
    margin-left: 15px;
}

.title-p::after {
    content: '';
    position: absolute;
    width: 245px;
    height: 62px;
    top: 13px;
    left: 0;
    background: url(tit_bg20230610.png) no-repeat;
    background-size: auto;
    background-position: 10%;
}

.cont-div {
    height: 370px;
    width: 100%;
}

.div3 {
    font-size: 0;
    padding-top: 10px;
    box-sizing: border-box;
    text-align: left;
}

.div3 a {
    margin-top: 10px;
    margin-right: 10px;
}

.div3 a img {
    margin-top: 16px;
}

/**版心end*/

/*版心2start*/
.content-box2 {
    height: 450px;
}

.content-box2 .content-left2 {
    width: 58%;
    float: left;
}

.content-box2 .content-right2 {
    width: 40%;
    float: right;
    height: 500px;
}

.content-box2 .content-left2 span {
    font-size: 18px;
}

.content-box2 .content-right2 span {
    font-size: 18px;
}

.bg-color {
    background: #fffdf8;
}

.cont-div {
    height: 370px;
    width: 96%;
    margin-left: 20px;
}

.bg-color a {
    display: inline-block;
    width: 90%;
    height: 100%;
    margin-top: 10px;
}

.bg-color a img {
    display: inline-block;
    width: 100%;
    height: 100%;
}

input,
img {
    margin: 0;
    padding: 0;
    border: 0 none;
    outline-style: none;
}

.border-box a {
    display: inline-block;
    width: 100%;
    height: 100%;
    margin-top: 10px;
}

.border-box a img {
    width: 100%;
    height: 100%;
}

/*版心2end*/

/*版心3start*/
.center3 {
    background-color: aqua;
}

.center3 ul li {
    float: left;
    margin: 10px;
}

/*版心3end*/

/*版心4start*/
.content-box4 a img {
    margin: 10px 0;
    width: 100%;
    height: 100px;
}

.app-img-center {
    width: 1100px;
    margin: auto;
}

.app-img-center ul {
    display: table;
    margin: 10px auto;
}

.app-img-center ul li {
    float: left;
    width: 260px;
    height: 260px;
    margin-left: 15px;
    margin-bottom: 10px;
}

.app-img-center ul li img {
    width: 100%;
    height: 100%;
}

.app-img-center ul li span {
    display: table;
    text-align: center;
    margin: 0 auto;
}

/*版心4end*/

@media screen and (max-width: 769px) {
    .banner {
        background: url(banner_header20230610.png) no-repeat top center;
        background-size: cover;
        width: 100%;
        min-width: 1200px;

    }
}