body {
    font-family: "微软雅黑";
    padding: 0px;
    margin: 0px;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: black;
}

em,
i {
    font-style: normal;
}

div {
    display: block;
}

form {
    display: block;
    margin-top: 0em;
}

label {
    cursor: default;
}

li {
    display: block;
}

* {
    margin: 0;
    padding: 0;
}


/* 导航开始 */

.nav {
    height: 100px;
    /* background-color: red; */
}

.nav-left {
    width: 24.7%;
    height: 100%;
    position: relative;
    float: left;
    clear: left;
    /* background-color: rosybrown; */
}

.nav-img {
    margin-top: 20px;
    margin-left: 10%;
    margin-bottom: 20px;
    margin-right: 0px;
    width: 270px;
}


/* .nav-a {
    width: 100%;
    height: 100%;
    display: block;
    align-items: center;
} */

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

.nav-right {
    width: 75.3%;
    float: left;
    height: 100%;
}

.nav-right-title {
    margin-right: 4%;
    height: 100%;
    padding-left: 5% !important;
}

.nav-title-write {
    width: 797px;
    height: 100%;
    float: right;
}

.nav-write {
    width: 99.6px;
    line-height: 100px;
    text-align: center;
    float: left;
    font-size: 16px;
    transition: all .4s ease;
}

.nav-write:hover {
    background-color: #3b78d4;
}

.nav-write:hover a {
    color: white;
}


/* 导航结束 */


/* banner开始 */

.banner {
    margin-top: 1px;
    width: 100%;
    height: 316.5px;
    background-image: url(../img/produect-banner-img.jpg);
    background-position: center bottom;
    overflow: hidden;
}


/* banner结束 */


/* banner1开始 */

.banner1 {
    position: relative;
    width: 100%;
    height: 110.5px;
    /* float: left; */
    /* background-color: yellow; */
}

.banner1-box {
    width: 100%;
    height: 80px;
    float: left;
    margin-bottom: 2%;
}

.banner1-box1 {
    float: left;
    /* padding: 1px; */
    /* width: 24.91%; */
    width: calc(25% - 1px);
    height: 80px;
    border-right: 1px solid #ececec;
    border-bottom: 1px solid #ececec;
    text-align: center;
    color: #333;
    cursor: pointer;
}

.banner1-box1:hover {
    background-color: #3b78d4;
}

.banner1-box1:hover a {
    color: #fff;
}

.banner1-box1 a {
    font-size: 16px;
    line-height: 80px;
}


/* banner1结束 */


/* banner2开始 */

.banner2 {
    width: 100%;
    height: 1043px;
}

.banner2-box {
    margin-top: 4%;
    width: 80%;
    height: 700px;
    float: left;
    margin-left: 10%;
    margin-right: 10%;
}

.banner2-box1 {
    width: calc((100%)/3);
    height: 342px;
    float: left;
    margin-bottom: 30px;
}

.banner2-box2 {
    border: 1px solid gray;
    width: 92%;
    height: 90%;
    margin-bottom: 30px;
    margin-left: 4%;
    margin-right: 4%;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.banner2-title {
    position: relative;
    text-align: center;
    line-height: 40px;
}

.banner2-box2 .txtBox {
    position: absolute;
    transform: rotate(90deg);
    width: 100%;
    height: 80%;
    left: -100%;
    box-sizing: border-box;
    color: #fff;
    background: rgba(59, 120, 212, .75);
    transform-origin: left top;
    transition: all .5s ease;
}

.banner2-box2:hover .txtBox {
    transform-origin: right top;
    transform: rotate(0deg);
    left: 0;
}


/* copy开始 */

.copy {
    height: 407px;
    width: 100%;
    background-image: url(../img/copy-back.jpg);
    background-attachment: fixed;
}

.copy-box {
    position: relative;
    float: left;
    height: 267px;
    width: 99%;
    /* background-color: red; */
    margin-top: 2%;
    margin-bottom: 1%;
    margin-left: 0.5%;
}

.copy-box1 {
    width: 9.79%;
    float: left;
}

.copy-box1-title {
    margin-bottom: 7%;
}

.copy-box1-title span {
    font-size: 16px;
    line-height: 2.5;
    color: #fff;
}

.copy-box1-span span {
    line-height: 2.2;
}

.copy-box1-span a {
    line-height: 31px;
    font-size: 14px;
    color: #fff;
    font-family: arial;
}

.copy-saoma {
    width: 10.28%;
    float: right;
    text-align: center;
}

.copy-saoma img {
    float: right;
}

.copy-saoma span {
    line-height: 1.1;
    color: #FFFFFF;
    font-size: 14px;
}

.copy-line {
    position: relative;
    float: left;
    height: 20px;
    width: 100%;
}

.copy-line span {
    /* padding-top: 9px; */
    margin-top: 9px;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    height: 2px;
    line-height: 20px;
    display: block;
}

.copy-right {
    position: relative;
    margin-top: 0.5%;
    float: left;
    width: 100%;
    text-align: center;
    line-height: 36px;
}

.copy-right p {
    position: relative;
    height: 36px;
    text-align: center;
    line-height: 36px;
    font-size: 12px;
    color: #FFFFFF;
}

.copy-right a {
    color: #FFFFFF;
}


/* copy结束 */