* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
    /* overflow: hidden; */
}

.mian {
    /* width: 120rem; */
    /* border: 1px solid red; */
    height: 100%;
}

.top_box {
    width: 100%;
    height: 1.75rem;
    background-color: black;
    overflow: hidden;
}

.header {
    width: 100%;
    height: 4.625rem;
    /* border: 1px solid rebeccapurple; */
    display: flex;
}

.header>.logo {
    width: 12.5rem;
    height: 3.75rem;
    /* border: 1px solid red; */
    margin-top: 0.3125rem;
    margin-left: 23.3125rem;
    background: url(../img/Canvas/logo.png) no-repeat;
    background-size: 100%;
}

.header_ul {
    display: flex;
    /* border: 1px solid red; */
    width: 30.625rem;
    line-height: 4.625rem;
    justify-content: space-between;
    margin-left: 20rem;
    overflow: hidden;
}

.header_ul>li:hover {
    /* transition: all 0.2s; */
    border-bottom: 3px solid #0F4A8C;
}


/* banner区域 */

.banner {
    width: 120rem;
    height: 34.875rem;
    /* border: 1px solid red; */
    background: url(../img/Canvas/banner.png);
    background-size: 100%;
    position: relative;
}


/* 关于我们的介绍 */

.us {
    padding: 0 21rem;
    height: 40rem;
    /* border: 1px solid red; */
    display: flex;
    /* justify-content: center; */
    position: relative;
    align-items: center;
}

.us>.us_left {
    width: 50.125rem;
    height: 26.875rem;
    /* border: 1px solid red; */
}

.us>.us_left>img {
    width: 100%;
}

.us>.us_right {
    position: absolute;
    width: 57.0625rem;
    height: 18.5rem;
    background-color: #004FA2;
    top: 50%;
    left: 65%;
    transform: translate(-50%, -50%);
    color: #FFFFFF;
    font-size: .875rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.us>.us_right>p {
    width: 46.8756rem;
    height: 9.6962rem;
    /* border: 1px solid black; */
    line-height: 1.9375rem;
}


/* 产品介绍 */

.product {
    width: 120rem;
    /* height: 49.2044rem; */
    /* border: 1px solid red; */
    position: relative;
    /* overflow: hidden; */
}

.product>h3 {
    text-align: center;
    font-size: 32px;
    font-weight: normal;
}

.stripes {
    width: 2.5rem;
    height: 0.3125rem;
    background-color: #0F4A8C;
    position: absolute;
    top: 3.5rem;
    left: 50%;
    transform: translateX(-50%);
}

.stripes::before {
    content: "";
    position: absolute;
    background-color: #0F4A8C;
    width: 0.3125rem;
    height: 0.3125rem;
    left: -0.9375rem;
}

.stripes::after {
    content: "";
    position: absolute;
    background-color: #0F4A8C;
    width: 0.3125rem;
    height: 0.3125rem;
    right: -0.9375rem;
}

.product_ul {
    /* border: 1px solid red; */
    width: 77.25rem;
    /* height: 700px; */
    margin-left: 50%;
    transform: translateX(-50%);
    margin-top: 6.25rem;
    display: flex;
    flex-wrap: wrap;
}

.product_ul>li:nth-of-type(1) {
    padding: 0 0.9375rem;
    width: 25rem;
    height: 26.8125rem;
    /* border: 1px solid black; */
    background-color: #fff;
    font-size: 1rem;
    display: flex;
    align-items: flex-end;
}

.product_ul>li:nth-of-type(1)>div {
    color: #4D4D4D;
    font-size: .875rem;
    line-height: 1.9375rem;
    /* padding: 0 15px; */
}

.product_ul>li:nth-of-type(1) h4 {
    font-size: 1.125rem;
    color: #333333;
    margin-bottom: 1.125rem;
}

.product_ul>li:nth-of-type(2) {
    width: 26.8125rem;
    height: 27.6875rem;
}
.product_ul>li:nth-of-type(2) img {
    width: 100%;
    height: 100%;
}

.product_ul>li:nth-of-type(3) {
    padding: 0 .9375rem;
    width: 20.625rem;
    height: 21.875rem;
    display: flex;
    align-items: flex-end;
}

.product_ul>li:nth-of-type(3) h4 {
    font-size: 1.125rem;
    color: #333333;
    margin-bottom: 1.125rem;
}

.product_ul>li:nth-of-type(3)>div {
    color: #4D4D4D;
    font-size: .875rem;
    line-height: 1.875rem;
}

.product_ul>li:nth-of-type(4) {
    width: 25rem;
    height: 31.5rem;
    overflow: hidden;
}

.product_ul>li:nth-of-type(5) {
    width: 26.8125rem;
    height: 25.75rem;
    background-color: #004FA2;
    padding: 1.5rem;
    color: #fff;
}

.product_ul>li:nth-of-type(5)>h4 {
    font-size: 1.125rem;
}

.product_ul>li:nth-of-type(5)>p {
    font-size: .875rem;
    margin-top: 1rem;
    line-height: 1.6rem;
}

.product_ul>li:nth-of-type(6) {
    width: 25.3125rem;
    height: 31.5rem;
    margin-top: -5.75rem;
}

.product_ul>li:nth-of-type(6)>img {
    /* display: inline-block; */
    width: 25.3125rem;
    height: 31.5rem;
}


/* 底部区域 */

footer {
    height: 25rem;
    background-color: #000;
    padding: 0 23.625rem;
    overflow: hidden;
    margin-top: 167px;
    box-shadow: 0px 20px 20px 20px #000;
}

footer>.footer_main {
    width: 100%;
    height: 80%;
    /* border: 1px solid #fff; */
    margin-top: 3.125rem;
    display: flex;
}

.footer_left {
    width: 43.75rem;
    height: 18.75rem;
    /* border: 1px solid #fff; */
}

.footer_left_ul {
    color: #fff;
    display: flex;
    /* border: 1px solid #fff; */
    justify-content: space-between;
    font-size: 1rem;
}

.footer_left_ul>li>.li_ul {
    margin-top: 1.25rem;
}

.footer_left_ul>li>.li_ul>li {
    padding: 0.3125rem 0;
    font-size: .875rem;
}

.footer_right {
    width: 100%;
    /* border: 1px solid #fff; */
    color: #fff;
    /* padding: 50px 0px 0 400px; */
}

.footer_right>.contact {
    font-size: 1.5rem;
    color: #EEEEEE;
    margin-left: 16.25rem;
}

.footer_right>.line {
    width: 20rem;
    height: 0.125rem;
    margin-left: 16.25rem;
    background-color: #333333;
    margin-top: 0.75rem;
}

.footer_right>.line>i {
    float: left;
    width: 1.875rem;
    height: 0.125rem;
    background-color: #004FA2;
}

.footer_right>.phone {
    font-size: 2.375rem;
    margin-left: 16.25rem;
    margin-top: 1.8125rem;
    color: #CCCCCC;
}

.footer_right>.site {
    margin-top: 1.625rem;
    margin-left: 16.25rem;
    color: #CCCCCC;
    font-size: .875rem;
}

.footer_right>.email {
    margin-top: 1.9375rem;
    margin-left: 16.25rem;
    color: #CCCCCC;
    font-size: .875rem;
}

footer>p {
    text-align: center;
    color: #707070;
}